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this.convert(t,e,this.workingColorSpace)}},Ft={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Ut={r:0,g:0,b:0},kt={h:0,s:0,l:0},Bt={h:0,s:0,l:0};function zt(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function Ht(t,e){return e.r=t.r,e.g=t.g,e.b=t.b,e}class Vt{constructor(t,e,n){return void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}set(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=lt){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Nt.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=ht){return this.r=t,this.g=e,this.b=n,Nt.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=ht){if(t=wt(t,1),e=_t(e,0,1),n=_t(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=zt(r,i,t+1/3),this.g=zt(r,i,t),this.b=zt(r,i,t-1/3)}return Nt.toWorkingColorSpace(this,i),this}setStyle(t,e=lt){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let i;if(i=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(t)){let t;const r=i[1],s=i[2];switch(r){case"rgb":case"rgba":if(t=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=Math.min(255,parseInt(t[1],10))/255,this.g=Math.min(255,parseInt(t[2],10))/255,this.b=Math.min(255,parseInt(t[3],10))/255,Nt.toWorkingColorSpace(this,e),n(t[4]),this;if(t=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=Math.min(100,parseInt(t[1],10))/100,this.g=Math.min(100,parseInt(t[2],10))/100,this.b=Math.min(100,parseInt(t[3],10))/100,Nt.toWorkingColorSpace(this,e),n(t[4]),this;break;case"hsl":case"hsla":if(t=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s)){const i=parseFloat(t[1])/360,r=parseInt(t[2],10)/100,s=parseInt(t[3],10)/100;return n(t[4]),this.setHSL(i,r,s,e)}}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const t=i[1],n=t.length;if(3===n)return this.r=parseInt(t.charAt(0)+t.charAt(0),16)/255,this.g=parseInt(t.charAt(1)+t.charAt(1),16)/255,this.b=parseInt(t.charAt(2)+t.charAt(2),16)/255,Nt.toWorkingColorSpace(this,e),this;if(6===n)return this.r=parseInt(t.charAt(0)+t.charAt(1),16)/255,this.g=parseInt(t.charAt(2)+t.charAt(3),16)/255,this.b=parseInt(t.charAt(4)+t.charAt(5),16)/255,Nt.toWorkingColorSpace(this,e),this}return t&&t.length>0?this.setColorName(t,e):this}setColorName(t,e=lt){const n=Ft[t.toLowerCase()];return void 0!==n?this.setHex(n,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Dt(t.r),this.g=Dt(t.g),this.b=Dt(t.b),this}copyLinearToSRGB(t){return this.r=It(t.r),this.g=It(t.g),this.b=It(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=lt){return Nt.fromWorkingColorSpace(Ht(this,Ut),t),_t(255*Ut.r,0,255)<<16^_t(255*Ut.g,0,255)<<8^_t(255*Ut.b,0,255)}getHexString(t=lt){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=ht){Nt.fromWorkingColorSpace(Ht(this,Ut),e);const n=Ut.r,i=Ut.g,r=Ut.b,s=Math.max(n,i,r),a=Math.min(n,i,r);let o,l;const h=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=h<=.5?t/(s+a):t/(2-s-a),s){case n:o=(i-r)/t+(i<r?6:0);break;case i:o=(r-n)/t+2;break;case r:o=(n-i)/t+4}o/=6}return t.h=o,t.s=l,t.l=h,t}getRGB(t,e=ht){return Nt.fromWorkingColorSpace(Ht(this,Ut),e),t.r=Ut.r,t.g=Ut.g,t.b=Ut.b,t}getStyle(t=lt){return Nt.fromWorkingColorSpace(Ht(this,Ut),t),t!==lt?`color(${t} ${Ut.r} ${Ut.g} ${Ut.b})`:`rgb(${255*Ut.r|0},${255*Ut.g|0},${255*Ut.b|0})`}offsetHSL(t,e,n){return this.getHSL(kt),kt.h+=t,kt.s+=e,kt.l+=n,this.setHSL(kt.h,kt.s,kt.l),this}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(kt),t.getHSL(Bt);const n=Mt(kt.h,Bt.h,e),i=Mt(kt.s,Bt.s,e),r=Mt(kt.l,Bt.l,e);return this.setHSL(n,i,r),this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),!0===t.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}let Gt;Vt.NAMES=Ft,Vt.prototype.isColor=!0,Vt.prototype.r=1,Vt.prototype.g=1,Vt.prototype.b=1;class Wt{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===Gt&&(Gt=Pt("canvas")),Gt.width=t.width,Gt.height=t.height;const n=Gt.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=Gt}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Pt("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*Dt(r[t]/255);return n.putImageData(i,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Dt(e[t]/255)):e[t]=Dt(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}class jt{constructor(t=null){this.uuid=bt(),this.data=t,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(qt(i[e].image)):t.push(qt(i[e]))}else t=qt(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function qt(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Wt.getDataURL(t):t.data?{data:Array.prototype.slice.call(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}jt.prototype.isSource=!0;let Xt=0;class $t extends ft{constructor(t=$t.DEFAULT_IMAGE,e=$t.DEFAULT_MAPPING,n=1001,i=1001,r=1006,s=1008,a=1023,o=1009,l=1,h=3e3){super(),Object.defineProperty(this,"id",{value:Xt++}),this.uuid=bt(),this.name="",this.source=new jt(t),this.mipmaps=[],this.mapping=e,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new Rt(0,0),this.repeat=new Rt(1,1),this.center=new Rt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ct,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=h,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(300!==this.mapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case T:t.x=t.x-Math.floor(t.x);break;case E:t.x=t.x<0?0:1;break;case A:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case T:t.y=t.y-Math.floor(t.y);break;case E:t.y=t.y<0?0:1;break;case A:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}}$t.DEFAULT_IMAGE=null,$t.DEFAULT_MAPPING=300,$t.prototype.isTexture=!0;class Yt{constructor(t=0,e=0,n=0,i=1){this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],h=o[4],c=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(h-u)<s&&Math.abs(c-m)<s&&Math.abs(p-f)<s){if(Math.abs(h+u)<a&&Math.abs(c+m)<a&&Math.abs(p+f)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,v=(g+1)/2,y=(h+u)/4,x=(c+m)/4,b=(p+f)/4;return t>o&&t>v?t<s?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=y/n,r=x/n):o>v?o<s?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=y/i,r=b/i):v<s?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(v),n=x/r,i=b/r),this.set(n,i,r,e),this}let v=Math.sqrt((f-p)*(f-p)+(c-m)*(c-m)+(u-h)*(u-h));return Math.abs(v)<.001&&(v=1),this.x=(f-p)/v,this.y=(c-m)/v,this.z=(u-h)/v,this.w=Math.acos((l+d+g-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}Yt.prototype.isVector4=!0;class Zt extends ft{constructor(t,e,n={}){super(),this.width=t,this.height=e,this.depth=1,this.scissor=new Yt(0,0,t,e),this.scissorTest=!1,this.viewport=new Yt(0,0,t,e);const i={width:t,height:e,depth:1};this.texture=new $t(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:P,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(t,e,n=1){this.width===t&&this.height===e&&this.depth===n||(this.width=t,this.height=e,this.depth=n,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.texture.isRenderTargetTexture=!0,this.texture.image=Object.assign({},t.texture.image),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}Zt.prototype.isWebGLRenderTarget=!0;class Jt extends $t{constructor(t=null,e=1,n=1,i=1){super(null),this.image={data:t,width:e,height:n,depth:i},this.magFilter=R,this.minFilter=R,this.wrapR=E,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}Jt.prototype.isDataArrayTexture=!0,class extends Zt{constructor(t,e,n){super(t,e),this.depth=n,this.texture=new Jt(null,t,e,n),this.texture.isRenderTargetTexture=!0}}.prototype.isWebGLArrayRenderTarget=!0;class Kt extends $t{constructor(t=null,e=1,n=1,i=1){super(null),this.image={data:t,width:e,height:n,depth:i},this.magFilter=R,this.minFilter=R,this.wrapR=E,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}Kt.prototype.isData3DTexture=!0,class extends Zt{constructor(t,e,n){super(t,e),this.depth=n,this.texture=new Kt(null,t,e,n),this.texture.isRenderTargetTexture=!0}}.prototype.isWebGL3DRenderTarget=!0,class extends Zt{constructor(t,e,n,i={}){super(t,e,i);const r=this.texture;this.texture=[];for(let t=0;t<n;t++)this.texture[t]=r.clone(),this.texture[t].isRenderTargetTexture=!0}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,r=this.texture.length;i<r;i++)this.texture[i].image.width=t,this.texture[i].image.height=e,this.texture[i].image.depth=n;this.dispose()}return this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e),this}copy(t){this.dispose(),this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.depthTexture=t.depthTexture,this.texture.length=0;for(let e=0,n=t.texture.length;e<n;e++)this.texture[e]=t.texture[e].clone();return this}}.prototype.isWebGLMultipleRenderTargets=!0;class Qt{constructor(t=0,e=0,n=0,i=1){this._x=t,this._y=e,this._z=n,this._w=i}static slerp(t,e,n,i){return console.warn("THREE.Quaternion: Static .slerp() has been deprecated. Use qm.slerpQuaternions( qa, qb, t ) instead."),n.slerpQuaternions(t,e,i)}static slerpFlat(t,e,n,i,r,s,a){let o=n[i+0],l=n[i+1],h=n[i+2],c=n[i+3];const u=r[s+0],d=r[s+1],p=r[s+2],m=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=h,void(t[e+3]=c);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=m);if(c!==m||o!==u||l!==d||h!==p){let t=1-a;const e=o*u+l*d+h*p+c*m,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,h=h*t+p*r,c=c*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+h*h+c*c);o*=t,l*=t,h*=t,c*=t}}t[e]=o,t[e+1]=l,t[e+2]=h,t[e+3]=c}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],h=n[i+3],c=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+h*c+o*d-l*u,t[e+1]=o*p+h*u+l*c-a*d,t[e+2]=l*p+h*d+a*u-o*c,t[e+3]=h*p-a*c-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),h=a(i/2),c=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*h*c+l*d*p,this._y=l*d*c-u*h*p,this._z=l*h*p+u*d*c,this._w=l*h*c-u*d*p;break;case"YXZ":this._x=u*h*c+l*d*p,this._y=l*d*c-u*h*p,this._z=l*h*p-u*d*c,this._w=l*h*c+u*d*p;break;case"ZXY":this._x=u*h*c-l*d*p,this._y=l*d*c+u*h*p,this._z=l*h*p+u*d*c,this._w=l*h*c-u*d*p;break;case"ZYX":this._x=u*h*c-l*d*p,this._y=l*d*c+u*h*p,this._z=l*h*p-u*d*c,this._w=l*h*c+u*d*p;break;case"YZX":this._x=u*h*c+l*d*p,this._y=l*d*c+u*h*p,this._z=l*h*p-u*d*c,this._w=l*h*c-u*d*p;break;case"XZY":this._x=u*h*c-l*d*p,this._y=l*d*c-u*h*p,this._z=l*h*p+u*d*c,this._w=l*h*c+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!1!==e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],h=e[6],c=e[10],u=n+a+c;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(h-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>c){const t=2*Math.sqrt(1+n-a-c);this._w=(h-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>c){const t=2*Math.sqrt(1+a-n-c);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+h)/t}else{const t=2*Math.sqrt(1+c-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+h)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(_t(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,h=e._w;return this._x=n*h+s*a+i*l-r*o,this._y=i*h+s*o+r*a-n*l,this._z=r*h+s*l+n*o-i*a,this._w=s*h-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),h=Math.atan2(l,a),c=Math.sin((1-e)*h)/l,u=Math.sin(e*h)/l;return this._w=s*c+this._w*u,this._x=n*c+this._x*u,this._y=i*c+this._y*u,this._z=r*c+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=Math.random(),e=Math.sqrt(1-t),n=Math.sqrt(t),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(e*Math.cos(i),n*Math.sin(r),n*Math.cos(r),e*Math.sin(i))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}Qt.prototype.isQuaternion=!0;class te{constructor(t=0,e=0,n=0){this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t,e){return void 0!==e?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t,e){return void 0!==e?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,e)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(ne.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(ne.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=o*e+s*i-a*n,h=o*n+a*e-r*i,c=o*i+r*n-s*e,u=-r*e-s*n-a*i;return this.x=l*o+u*-r+h*-a-c*-s,this.y=h*o+u*-s+c*-r-l*-a,this.z=c*o+u*-a+l*-s-h*-r,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t,e){return void 0!==e?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,e)):this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return ee.copy(this).projectOnVector(t),this.sub(ee)}reflect(t){return this.sub(ee.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(_t(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=2*(Math.random()-.5),e=Math.random()*Math.PI*2,n=Math.sqrt(1-t**2);return this.x=n*Math.cos(e),this.y=n*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}te.prototype.isVector3=!0;const ee=new te,ne=new Qt;class ie{constructor(t=new te(1/0,1/0,1/0),e=new te(-1/0,-1/0,-1/0)){this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.length;o<l;o+=3){const l=t[o],h=t[o+1],c=t[o+2];l<e&&(e=l),h<n&&(n=h),c<i&&(i=c),l>r&&(r=l),h>s&&(s=h),c>a&&(a=c)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromBufferAttribute(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.count;o<l;o++){const l=t.getX(o),h=t.getY(o),c=t.getZ(o);l<e&&(e=l),h<n&&(n=h),c<i&&(i=c),l>r&&(r=l),h>s&&(s=h),c>a&&(a=c)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=se.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(void 0!==n)if(e&&null!=n.attributes&&void 0!==n.attributes.position){const e=n.attributes.position;for(let n=0,i=e.count;n<i;n++)se.fromBufferAttribute(e,n).applyMatrix4(t.matrixWorld),this.expandByPoint(se)}else null===n.boundingBox&&n.computeBoundingBox(),ae.copy(n.boundingBox),ae.applyMatrix4(t.matrixWorld),this.union(ae);const i=t.children;for(let t=0,n=i.length;t<n;t++)this.expandByObject(i[t],e);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,se),se.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(pe),me.subVectors(this.max,pe),oe.subVectors(t.a,pe),le.subVectors(t.b,pe),he.subVectors(t.c,pe),ce.subVectors(le,oe),ue.subVectors(he,le),de.subVectors(oe,he);let e=[0,-ce.z,ce.y,0,-ue.z,ue.y,0,-de.z,de.y,ce.z,0,-ce.x,ue.z,0,-ue.x,de.z,0,-de.x,-ce.y,ce.x,0,-ue.y,ue.x,0,-de.y,de.x,0];return!!ve(e,oe,le,he,me)&&(e=[1,0,0,0,1,0,0,0,1],!!ve(e,oe,le,he,me)&&(fe.crossVectors(ce,ue),e=[fe.x,fe.y,fe.z],ve(e,oe,le,he,me)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return se.copy(t).clamp(this.min,this.max).sub(t).length()}getBoundingSphere(t){return this.getCenter(t.center),t.radius=.5*this.getSize(se).length(),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(re[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),re[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),re[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),re[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),re[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),re[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),re[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),re[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(re)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}ie.prototype.isBox3=!0;const re=[new te,new te,new te,new te,new te,new te,new te,new te],se=new te,ae=new ie,oe=new te,le=new te,he=new te,ce=new te,ue=new te,de=new te,pe=new te,me=new te,fe=new te,ge=new te;function ve(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ge.fromArray(t,s);const a=r.x*Math.abs(ge.x)+r.y*Math.abs(ge.y)+r.z*Math.abs(ge.z),o=e.dot(ge),l=n.dot(ge),h=i.dot(ge);if(Math.max(-Math.max(o,l,h),Math.min(o,l,h))>a)return!1}return!0}const ye=new ie,xe=new te,be=new te,_e=new te;class we{constructor(t=new te,e=-1){this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):ye.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;e<r;e++)i=Math.max(i,n.distanceToSquared(t[e]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){_e.subVectors(t,this.center);const e=_e.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.add(_e.multiplyScalar(n/t)),this.radius+=n}return this}union(t){return!0===this.center.equals(t.center)?be.set(0,0,1).multiplyScalar(t.radius):be.subVectors(t.center,this.center).normalize().multiplyScalar(t.radius),this.expandByPoint(xe.copy(t.center).add(be)),this.expandByPoint(xe.copy(t.center).sub(be)),this}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Me=new te,Se=new te,Te=new te,Ee=new te,Ae=new te,Re=new te,Ce=new te;class Le{constructor(t=new te,e=new te(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.direction).multiplyScalar(t).add(this.origin)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Me)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Me.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Me.copy(this.direction).multiplyScalar(e).add(this.origin),Me.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){Se.copy(t).add(e).multiplyScalar(.5),Te.copy(e).sub(t).normalize(),Ee.copy(this.origin).sub(Se);const r=.5*t.distanceTo(e),s=-this.direction.dot(Te),a=Ee.dot(this.direction),o=-Ee.dot(Te),l=Ee.lengthSq(),h=Math.abs(1-s*s);let c,u,d,p;if(h>0)if(c=s*o-a,u=s*a-o,p=r*h,c>=0)if(u>=-p)if(u<=p){const t=1/h;c*=t,u*=t,d=c*(c+s*u+2*a)+u*(s*c+u+2*o)+l}else u=r,c=Math.max(0,-(s*u+a)),d=-c*c+u*(u+2*o)+l;else u=-r,c=Math.max(0,-(s*u+a)),d=-c*c+u*(u+2*o)+l;else u<=-p?(c=Math.max(0,-(-s*r+a)),u=c>0?-r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+l):u<=p?(c=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(c=Math.max(0,-(s*r+a)),u=c>0?r:Math.min(Math.max(-r,-o),r),d=-c*c+u*(u+2*o)+l);else u=s>0?-r:r,c=Math.max(0,-(s*u+a)),d=-c*c+u*(u+2*o)+l;return n&&n.copy(this.direction).multiplyScalar(c).add(this.origin),i&&i.copy(Te).multiplyScalar(u).add(Se),d}intersectSphere(t,e){Me.subVectors(t.center,this.origin);const n=Me.dot(this.direction),i=Me.dot(Me)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return a<0&&o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);return 0===e||t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,h=1/this.direction.y,c=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),h>=0?(r=(t.min.y-u.y)*h,s=(t.max.y-u.y)*h):(r=(t.max.y-u.y)*h,s=(t.min.y-u.y)*h),n>s||r>i?null:((r>n||n!=n)&&(n=r),(s<i||i!=i)&&(i=s),c>=0?(a=(t.min.z-u.z)*c,o=(t.max.z-u.z)*c):(a=(t.max.z-u.z)*c,o=(t.min.z-u.z)*c),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o<i||i!=i)&&(i=o),i<0?null:this.at(n>=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,Me)}intersectTriangle(t,e,n,i,r){Ae.subVectors(e,t),Re.subVectors(n,t),Ce.crossVectors(Ae,Re);let s,a=this.direction.dot(Ce);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}Ee.subVectors(this.origin,t);const o=s*this.direction.dot(Re.crossVectors(Ee,Re));if(o<0)return null;const l=s*this.direction.dot(Ae.cross(Ee));if(l<0)return null;if(o+l>a)return null;const h=-s*Ee.dot(Ce);return h<0?null:this.at(h/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Pe{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(t,e,n,i,r,s,a,o,l,h,c,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=h,g[10]=c,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Pe).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/De.setFromMatrixColumn(t,0).length(),r=1/De.setFromMatrixColumn(t,1).length(),s=1/De.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),h=Math.cos(r),c=Math.sin(r);if("XYZ"===t.order){const t=s*h,n=s*c,i=a*h,r=a*c;e[0]=o*h,e[4]=-o*c,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*h,n=o*c,i=l*h,r=l*c;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*c,e[5]=s*h,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*h,n=o*c,i=l*h,r=l*c;e[0]=t-r*a,e[4]=-s*c,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*h,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*h,n=s*c,i=a*h,r=a*c;e[0]=o*h,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*c,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*h,e[4]=r-t*c,e[8]=i*c+n,e[1]=c,e[5]=s*h,e[9]=-a*h,e[2]=-l*h,e[6]=n*c+i,e[10]=t-r*c}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*h,e[4]=-c,e[8]=l*h,e[1]=t*c+r,e[5]=s*h,e[9]=n*c-i,e[2]=i*c-n,e[6]=a*h,e[10]=r*c+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(Oe,t,Ne)}lookAt(t,e,n){const i=this.elements;return ke.subVectors(t,e),0===ke.lengthSq()&&(ke.z=1),ke.normalize(),Fe.crossVectors(n,ke),0===Fe.lengthSq()&&(1===Math.abs(n.z)?ke.x+=1e-4:ke.z+=1e-4,ke.normalize(),Fe.crossVectors(n,ke)),Fe.normalize(),Ue.crossVectors(ke,Fe),i[0]=Fe.x,i[4]=Ue.x,i[8]=ke.x,i[1]=Fe.y,i[5]=Ue.y,i[9]=ke.y,i[2]=Fe.z,i[6]=Ue.z,i[10]=ke.z,this}multiply(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],h=n[1],c=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],_=i[0],w=i[4],M=i[8],S=i[12],T=i[1],E=i[5],A=i[9],R=i[13],C=i[2],L=i[6],P=i[10],D=i[14],I=i[3],O=i[7],N=i[11],F=i[15];return r[0]=s*_+a*T+o*C+l*I,r[4]=s*w+a*E+o*L+l*O,r[8]=s*M+a*A+o*P+l*N,r[12]=s*S+a*R+o*D+l*F,r[1]=h*_+c*T+u*C+d*I,r[5]=h*w+c*E+u*L+d*O,r[9]=h*M+c*A+u*P+d*N,r[13]=h*S+c*R+u*D+d*F,r[2]=p*_+m*T+f*C+g*I,r[6]=p*w+m*E+f*L+g*O,r[10]=p*M+m*A+f*P+g*N,r[14]=p*S+m*R+f*D+g*F,r[3]=v*_+y*T+x*C+b*I,r[7]=v*w+y*E+x*L+b*O,r[11]=v*M+y*A+x*P+b*N,r[15]=v*S+y*R+x*D+b*F,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],h=t[2],c=t[6],u=t[10],d=t[14];return t[3]*(+r*o*c-i*l*c-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*h-r*o*h)+t[11]*(+e*l*c-e*a*d-r*s*c+n*s*d+r*a*h-n*l*h)+t[15]*(-i*a*h-e*o*c+e*a*u+i*s*c-n*s*u+n*o*h)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],h=t[8],c=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=c*f*l-m*u*l+m*o*d-a*f*d-c*o*g+a*u*g,y=p*u*l-h*f*l-p*o*d+s*f*d+h*o*g-s*u*g,x=h*m*l-p*c*l+p*a*d-s*m*d-h*a*g+s*c*g,b=p*c*o-h*m*o-p*a*u+s*m*u+h*a*f-s*c*f,_=e*v+n*y+i*x+r*b;if(0===_)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const w=1/_;return t[0]=v*w,t[1]=(m*u*r-c*f*r-m*i*d+n*f*d+c*i*g-n*u*g)*w,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*w,t[3]=(c*o*r-a*u*r-c*i*l+n*u*l+a*i*d-n*o*d)*w,t[4]=y*w,t[5]=(h*f*r-p*u*r+p*i*d-e*f*d-h*i*g+e*u*g)*w,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*w,t[7]=(s*u*r-h*o*r+h*i*l-e*u*l-s*i*d+e*o*d)*w,t[8]=x*w,t[9]=(p*c*r-h*m*r-p*n*d+e*m*d+h*n*g-e*c*g)*w,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*w,t[11]=(h*a*r-s*c*r-h*n*l+e*c*l+s*n*d-e*a*d)*w,t[12]=b*w,t[13]=(h*m*i-p*c*i+p*n*u-e*m*u-h*n*f+e*c*f)*w,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*w,t[15]=(s*c*i-h*a*i+h*n*o-e*c*o-s*n*u+e*a*u)*w,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,h=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,h*a+n,h*o-i*s,0,l*o-i*a,h*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,h=s+s,c=a+a,u=r*l,d=r*h,p=r*c,m=s*h,f=s*c,g=a*c,v=o*l,y=o*h,x=o*c,b=n.x,_=n.y,w=n.z;return i[0]=(1-(m+g))*b,i[1]=(d+x)*b,i[2]=(p-y)*b,i[3]=0,i[4]=(d-x)*_,i[5]=(1-(u+g))*_,i[6]=(f+v)*_,i[7]=0,i[8]=(p+y)*w,i[9]=(f-v)*w,i[10]=(1-(u+m))*w,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=De.set(i[0],i[1],i[2]).length();const s=De.set(i[4],i[5],i[6]).length(),a=De.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],Ie.copy(this);const o=1/r,l=1/s,h=1/a;return Ie.elements[0]*=o,Ie.elements[1]*=o,Ie.elements[2]*=o,Ie.elements[4]*=l,Ie.elements[5]*=l,Ie.elements[6]*=l,Ie.elements[8]*=h,Ie.elements[9]*=h,Ie.elements[10]*=h,e.setFromRotationMatrix(Ie),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s){void 0===s&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const a=this.elements,o=2*r/(e-t),l=2*r/(n-i),h=(e+t)/(e-t),c=(n+i)/(n-i),u=-(s+r)/(s-r),d=-2*s*r/(s-r);return a[0]=o,a[4]=0,a[8]=h,a[12]=0,a[1]=0,a[5]=l,a[9]=c,a[13]=0,a[2]=0,a[6]=0,a[10]=u,a[14]=d,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,n,i,r,s){const a=this.elements,o=1/(e-t),l=1/(n-i),h=1/(s-r),c=(e+t)*o,u=(n+i)*l,d=(s+r)*h;return a[0]=2*o,a[4]=0,a[8]=0,a[12]=-c,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-u,a[2]=0,a[6]=0,a[10]=-2*h,a[14]=-d,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}Pe.prototype.isMatrix4=!0;const De=new te,Ie=new Pe,Oe=new te(0,0,0),Ne=new te(1,1,1),Fe=new te,Ue=new te,ke=new te,Be=new Pe,ze=new Qt;class He{constructor(t=0,e=0,n=0,i=He.DefaultOrder){this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],h=i[9],c=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(_t(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-h,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-_t(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-c,r),this._z=0);break;case"ZXY":this._x=Math.asin(_t(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-c,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-_t(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(_t(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-h,l),this._y=Math.atan2(-c,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-_t(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-h,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return Be.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Be,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return ze.setFromEuler(this),this.setFromQuaternion(ze,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}He.prototype.isEuler=!0,He.DefaultOrder="XYZ",He.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class Ve{constructor(){this.mask=1}set(t){this.mask=1<<t>>>0}enable(t){this.mask|=1<<t}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t}disable(t){this.mask&=~(1<<t)}disableAll(){this.mask=0}test(t){return!!(this.mask&t.mask)}isEnabled(t){return!!(this.mask&1<<t)}}let Ge=0;const We=new te,je=new Qt,qe=new Pe,Xe=new te,$e=new te,Ye=new te,Ze=new Qt,Je=new te(1,0,0),Ke=new te(0,1,0),Qe=new te(0,0,1),tn={type:"added"},en={type:"removed"};class nn extends ft{constructor(){super(),Object.defineProperty(this,"id",{value:Ge++}),this.uuid=bt(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=nn.DefaultUp.clone();const t=new te,e=new He,n=new Qt,i=new te(1,1,1);e._onChange((function(){n.setFromEuler(e,!1)})),n._onChange((function(){e.setFromQuaternion(n,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Pe},normalMatrix:{value:new Ct}}),this.matrix=new Pe,this.matrixWorld=new Pe,this.matrixAutoUpdate=nn.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.layers=new Ve,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return je.setFromAxisAngle(t,e),this.quaternion.multiply(je),this}rotateOnWorldAxis(t,e){return je.setFromAxisAngle(t,e),this.quaternion.premultiply(je),this}rotateX(t){return this.rotateOnAxis(Je,t)}rotateY(t){return this.rotateOnAxis(Ke,t)}rotateZ(t){return this.rotateOnAxis(Qe,t)}translateOnAxis(t,e){return We.copy(t).applyQuaternion(this.quaternion),this.position.add(We.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(Je,t)}translateY(t){return this.translateOnAxis(Ke,t)}translateZ(t){return this.translateOnAxis(Qe,t)}localToWorld(t){return t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return t.applyMatrix4(qe.copy(this.matrixWorld).invert())}lookAt(t,e,n){t.isVector3?Xe.copy(t):Xe.set(t,e,n);const i=this.parent;this.updateWorldMatrix(!0,!1),$e.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?qe.lookAt($e,Xe,this.up):qe.lookAt(Xe,$e,this.up),this.quaternion.setFromRotationMatrix(qe),i&&(qe.extractRotation(i.matrixWorld),je.setFromRotationMatrix(qe),this.quaternion.premultiply(je.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(tn)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(en)),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){for(let t=0;t<this.children.length;t++){const e=this.children[t];e.parent=null,e.dispatchEvent(en)}return this.children.length=0,this}attach(t){return this.updateWorldMatrix(!0,!1),qe.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),qe.multiply(t.parent.matrixWorld)),t.applyMatrix4(qe),this.add(t),t.updateWorldMatrix(!1,!0),this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let n=0,i=this.children.length;n<i;n++){const i=this.children[n].getObjectByProperty(t,e);if(void 0!==i)return i}}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose($e,t,Ye),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose($e,Ze,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let n=0,i=e.length;n<i;n++)e[n].updateMatrixWorld(t)}updateWorldMatrix(t,e){const n=this.parent;if(!0===t&&null!==n&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,n=t.length;e<n;e++)t[e].updateWorldMatrix(!1,!0)}}toJSON(t){const e=void 0===t||"string"==typeof t,n={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const i={};function r(e,n){return void 0===e[n.uuid]&&(e[n.uuid]=n.toJSON(t)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e<i;e++){const i=n[e];r(t.shapes,i)}else r(t.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let n=0,i=this.material.length;n<i;n++)e.push(r(t.materials,this.material[n]));i.material=e}else i.material=r(t.materials,this.material);if(this.children.length>0){i.children=[];for(let e=0;e<this.children.length;e++)i.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){i.animations=[];for(let e=0;e<this.animations.length;e++){const n=this.animations[e];i.animations.push(r(t.animations,n))}}if(e){const e=s(t.geometries),i=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),h=s(t.animations),c=s(t.nodes);e.length>0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),h.length>0&&(n.animations=h),c.length>0&&(n.nodes=c)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const n=t.children[e];this.add(n.clone())}return this}}nn.DefaultUp=new te(0,1,0),nn.DefaultMatrixAutoUpdate=!0,nn.prototype.isObject3D=!0;const rn=new te,sn=new te,an=new te,on=new te,ln=new te,hn=new te,cn=new te,un=new te,dn=new te,pn=new te;class mn{constructor(t=new te,e=new te,n=new te){this.a=t,this.b=e,this.c=n}static getNormal(t,e,n,i){i.subVectors(n,e),rn.subVectors(t,e),i.cross(rn);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){rn.subVectors(i,e),sn.subVectors(n,e),an.subVectors(t,e);const s=rn.dot(rn),a=rn.dot(sn),o=rn.dot(an),l=sn.dot(sn),h=sn.dot(an),c=s*l-a*a;if(0===c)return r.set(-2,-1,-1);const u=1/c,d=(l*o-a*h)*u,p=(s*h-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,on),on.x>=0&&on.y>=0&&on.x+on.y<=1}static getUV(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,on),o.set(0,0),o.addScaledVector(r,on.x),o.addScaledVector(s,on.y),o.addScaledVector(a,on.z),o}static isFrontFacing(t,e,n,i){return rn.subVectors(n,e),sn.subVectors(t,e),rn.cross(sn).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return rn.subVectors(this.c,this.b),sn.subVectors(this.a,this.b),.5*rn.cross(sn).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return mn.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return mn.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return mn.getUV(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return mn.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return mn.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;ln.subVectors(i,n),hn.subVectors(r,n),un.subVectors(t,n);const o=ln.dot(un),l=hn.dot(un);if(o<=0&&l<=0)return e.copy(n);dn.subVectors(t,i);const h=ln.dot(dn),c=hn.dot(dn);if(h>=0&&c<=h)return e.copy(i);const u=o*c-h*l;if(u<=0&&o>=0&&h<=0)return s=o/(o-h),e.copy(n).addScaledVector(ln,s);pn.subVectors(t,r);const d=ln.dot(pn),p=hn.dot(pn);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(hn,a);const f=h*p-d*c;if(f<=0&&c-h>=0&&d-p>=0)return cn.subVectors(r,i),a=(c-h)/(c-h+(d-p)),e.copy(i).addScaledVector(cn,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(ln,s).addScaledVector(hn,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let fn=0;class gn extends ft{constructor(){super(),Object.defineProperty(this,"id",{value:fn++}),this.uuid=bt(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=o,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=ct,this.stencilZFail=ct,this.stencilZPass=ct,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn("THREE.Material: '"+e+"' parameter is undefined.");continue}if("shading"===e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.fog=t.fog,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}gn.prototype.isMaterial=!0,gn.fromType=function(){return null};class vn extends gn{constructor(t){super(),this.type="MeshBasicMaterial",this.color=new Vt(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}vn.prototype.isMeshBasicMaterial=!0;const yn=new te,xn=new Rt;class bn{constructor(t,e,n){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=!0===n,this.usage=ut,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[t+i]=e.array[n+i];return this}copyArray(t){return this.array.set(t),this}copyColorsArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",i),r=new Vt),e[n++]=r.r,e[n++]=r.g,e[n++]=r.b}return this}copyVector2sArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",i),r=new Rt),e[n++]=r.x,e[n++]=r.y}return this}copyVector3sArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",i),r=new te),e[n++]=r.x,e[n++]=r.y,e[n++]=r.z}return this}copyVector4sArray(t){const e=this.array;let n=0;for(let i=0,r=t.length;i<r;i++){let r=t[i];void 0===r&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",i),r=new Yt),e[n++]=r.x,e[n++]=r.y,e[n++]=r.z,e[n++]=r.w}return this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,n=this.count;e<n;e++)xn.fromBufferAttribute(this,e),xn.applyMatrix3(t),this.setXY(e,xn.x,xn.y);else if(3===this.itemSize)for(let e=0,n=this.count;e<n;e++)yn.fromBufferAttribute(this,e),yn.applyMatrix3(t),this.setXYZ(e,yn.x,yn.y,yn.z);return this}applyMatrix4(t){for(let e=0,n=this.count;e<n;e++)yn.fromBufferAttribute(this,e),yn.applyMatrix4(t),this.setXYZ(e,yn.x,yn.y,yn.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)yn.fromBufferAttribute(this,e),yn.applyNormalMatrix(t),this.setXYZ(e,yn.x,yn.y,yn.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)yn.fromBufferAttribute(this,e),yn.transformDirection(t),this.setXYZ(e,yn.x,yn.y,yn.z);return this}set(t,e=0){return this.array.set(t,e),this}getX(t){return this.array[t*this.itemSize]}setX(t,e){return this.array[t*this.itemSize]=e,this}getY(t){return this.array[t*this.itemSize+1]}setY(t,e){return this.array[t*this.itemSize+1]=e,this}getZ(t){return this.array[t*this.itemSize+2]}setZ(t,e){return this.array[t*this.itemSize+2]=e,this}getW(t){return this.array[t*this.itemSize+3]}setW(t,e){return this.array[t*this.itemSize+3]=e,this}setXY(t,e,n){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this}setXYZ(t,e,n,i){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t*=this.itemSize,this.array[t+0]=e,this.array[t+1]=n,this.array[t+2]=i,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==ut&&(t.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(t.updateRange=this.updateRange),t}}bn.prototype.isBufferAttribute=!0;class _n extends bn{constructor(t,e,n){super(new Uint16Array(t),e,n)}}class wn extends bn{constructor(t,e,n){super(new Uint32Array(t),e,n)}}(class extends bn{constructor(t,e,n){super(new Uint16Array(t),e,n)}}).prototype.isFloat16BufferAttribute=!0;class Mn extends bn{constructor(t,e,n){super(new Float32Array(t),e,n)}}let Sn=0;const Tn=new Pe,En=new nn,An=new te,Rn=new ie,Cn=new ie,Ln=new te;class Pn extends ft{constructor(){super(),Object.defineProperty(this,"id",{value:Sn++}),this.uuid=bt(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(Lt(t)?wn:_n)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new Ct).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return Tn.makeRotationFromQuaternion(t),this.applyMatrix4(Tn),this}rotateX(t){return Tn.makeRotationX(t),this.applyMatrix4(Tn),this}rotateY(t){return Tn.makeRotationY(t),this.applyMatrix4(Tn),this}rotateZ(t){return Tn.makeRotationZ(t),this.applyMatrix4(Tn),this}translate(t,e,n){return Tn.makeTranslation(t,e,n),this.applyMatrix4(Tn),this}scale(t,e,n){return Tn.makeScale(t,e,n),this.applyMatrix4(Tn),this}lookAt(t){return En.lookAt(t),En.updateMatrix(),this.applyMatrix4(En.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(An).negate(),this.translate(An.x,An.y,An.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new Mn(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ie);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new te(-1/0,-1/0,-1/0),new te(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];Rn.setFromBufferAttribute(n),this.morphTargetsRelative?(Ln.addVectors(this.boundingBox.min,Rn.min),this.boundingBox.expandByPoint(Ln),Ln.addVectors(this.boundingBox.max,Rn.max),this.boundingBox.expandByPoint(Ln)):(this.boundingBox.expandByPoint(Rn.min),this.boundingBox.expandByPoint(Rn.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new we);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new te,1/0);if(t){const n=this.boundingSphere.center;if(Rn.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];Cn.setFromBufferAttribute(n),this.morphTargetsRelative?(Ln.addVectors(Rn.min,Cn.min),Rn.expandByPoint(Ln),Ln.addVectors(Rn.max,Cn.max),Rn.expandByPoint(Ln)):(Rn.expandByPoint(Cn.min),Rn.expandByPoint(Cn.max))}Rn.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)Ln.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(Ln));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)Ln.fromBufferAttribute(s,e),a&&(An.fromBufferAttribute(t,e),Ln.add(An)),i=Math.max(i,n.distanceToSquared(Ln))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=t.array,i=e.position.array,r=e.normal.array,s=e.uv.array,a=i.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new bn(new Float32Array(4*a),4));const o=this.getAttribute("tangent").array,l=[],h=[];for(let t=0;t<a;t++)l[t]=new te,h[t]=new te;const c=new te,u=new te,d=new te,p=new Rt,m=new Rt,f=new Rt,g=new te,v=new te;function y(t,e,n){c.fromArray(i,3*t),u.fromArray(i,3*e),d.fromArray(i,3*n),p.fromArray(s,2*t),m.fromArray(s,2*e),f.fromArray(s,2*n),u.sub(c),d.sub(c),m.sub(p),f.sub(p);const r=1/(m.x*f.y-f.x*m.y);isFinite(r)&&(g.copy(u).multiplyScalar(f.y).addScaledVector(d,-m.y).multiplyScalar(r),v.copy(d).multiplyScalar(m.x).addScaledVector(u,-f.x).multiplyScalar(r),l[t].add(g),l[e].add(g),l[n].add(g),h[t].add(v),h[e].add(v),h[n].add(v))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let t=0,e=x.length;t<e;++t){const e=x[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)y(n[t+0],n[t+1],n[t+2])}const b=new te,_=new te,w=new te,M=new te;function S(t){w.fromArray(r,3*t),M.copy(w);const e=l[t];b.copy(e),b.sub(w.multiplyScalar(w.dot(e))).normalize(),_.crossVectors(M,e);const n=_.dot(h[t])<0?-1:1;o[4*t]=b.x,o[4*t+1]=b.y,o[4*t+2]=b.z,o[4*t+3]=n}for(let t=0,e=x.length;t<e;++t){const e=x[t],i=e.start;for(let t=i,r=i+e.count;t<r;t+=3)S(n[t+0]),S(n[t+1]),S(n[t+2])}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new bn(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const i=new te,r=new te,s=new te,a=new te,o=new te,l=new te,h=new te,c=new te;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);i.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),s.fromBufferAttribute(e,m),h.subVectors(s,r),c.subVectors(i,r),h.cross(c),a.fromBufferAttribute(n,d),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,m),a.add(h),o.add(h),l.add(h),n.setXYZ(d,a.x,a.y,a.z),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(m,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)i.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),h.subVectors(s,r),c.subVectors(i,r),h.cross(c),n.setXYZ(t+0,h.x,h.y,h.z),n.setXYZ(t+1,h.x,h.y,h.z),n.setXYZ(t+2,h.x,h.y,h.z);this.normalizeNormals(),n.needsUpdate=!0}}merge(t,e){if(!t||!t.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t);void 0===e&&(e=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const i in n){if(void 0===t.attributes[i])continue;const r=n[i].array,s=t.attributes[i],a=s.array,o=s.itemSize*e,l=Math.min(a.length,r.length-o);for(let t=0,e=o;t<l;t++,e++)r[e]=a[t]}return this}normalizeNormals(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)Ln.fromBufferAttribute(t,e),Ln.normalize(),t.setXYZ(e,Ln.x,Ln.y,Ln.z)}toNonIndexed(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,s=new n.constructor(e.length*i);let a=0,o=0;for(let r=0,l=e.length;r<l;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*i;for(let t=0;t<i;t++)s[o++]=n[a++]}return new bn(s,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Pn,n=this.index.array,i=this.attributes;for(const r in i){const s=t(i[r],n);e.setAttribute(r,s)}const r=this.morphAttributes;for(const i in r){const s=[],a=r[i];for(let e=0,i=a.length;e<i;e++){const i=t(a[e],n);s.push(i)}e.morphAttributes[i]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,n=s.length;t<n;t++){const n=s[t];e.addGroup(n.start,n.count,n.materialIndex)}return e}toJSON(){const t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e<i;e++){const i=n[e];s.push(i.toJSON(t.data))}s.length>0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,void 0!==t.parameters&&(this.parameters=Object.assign({},t.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}}Pn.prototype.isBufferGeometry=!0;const Dn=new Pe,In=new Le,On=new we,Nn=new te,Fn=new te,Un=new te,kn=new te,Bn=new te,zn=new te,Hn=new te,Vn=new te,Gn=new te,Wn=new Rt,jn=new Rt,qn=new Rt,Xn=new te,$n=new te;class Yn extends nn{constructor(t=new Pn,e=new vn){super(),this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t){return super.copy(t),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0===i)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),On.copy(n.boundingSphere),On.applyMatrix4(r),!1===t.ray.intersectsSphere(On))return;if(Dn.copy(r).invert(),In.copy(t.ray).applyMatrix4(Dn),null!==n.boundingBox&&!1===In.intersectsBox(n.boundingBox))return;let s;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position,o=n.morphAttributes.position,l=n.morphTargetsRelative,h=n.attributes.uv,c=n.attributes.uv2,u=n.groups,d=n.drawRange;if(null!==r)if(Array.isArray(i))for(let n=0,p=u.length;n<p;n++){const p=u[n],m=i[p.materialIndex];for(let n=Math.max(p.start,d.start),i=Math.min(r.count,Math.min(p.start+p.count,d.start+d.count));n<i;n+=3){const i=r.getX(n),u=r.getX(n+1),d=r.getX(n+2);s=Zn(this,m,t,In,a,o,l,h,c,i,u,d),s&&(s.faceIndex=Math.floor(n/3),s.face.materialIndex=p.materialIndex,e.push(s))}}else for(let n=Math.max(0,d.start),u=Math.min(r.count,d.start+d.count);n<u;n+=3){const u=r.getX(n),d=r.getX(n+1),p=r.getX(n+2);s=Zn(this,i,t,In,a,o,l,h,c,u,d,p),s&&(s.faceIndex=Math.floor(n/3),e.push(s))}else if(void 0!==a)if(Array.isArray(i))for(let n=0,r=u.length;n<r;n++){const r=u[n],p=i[r.materialIndex];for(let n=Math.max(r.start,d.start),i=Math.min(a.count,Math.min(r.start+r.count,d.start+d.count));n<i;n+=3)s=Zn(this,p,t,In,a,o,l,h,c,n,n+1,n+2),s&&(s.faceIndex=Math.floor(n/3),s.face.materialIndex=r.materialIndex,e.push(s))}else for(let n=Math.max(0,d.start),r=Math.min(a.count,d.start+d.count);n<r;n+=3)s=Zn(this,i,t,In,a,o,l,h,c,n,n+1,n+2),s&&(s.faceIndex=Math.floor(n/3),e.push(s))}else n.isGeometry&&console.error("THREE.Mesh.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}function Zn(t,e,n,i,r,s,a,o,l,h,c,u){Nn.fromBufferAttribute(r,h),Fn.fromBufferAttribute(r,c),Un.fromBufferAttribute(r,u);const d=t.morphTargetInfluences;if(s&&d){Hn.set(0,0,0),Vn.set(0,0,0),Gn.set(0,0,0);for(let t=0,e=s.length;t<e;t++){const e=d[t],n=s[t];0!==e&&(kn.fromBufferAttribute(n,h),Bn.fromBufferAttribute(n,c),zn.fromBufferAttribute(n,u),a?(Hn.addScaledVector(kn,e),Vn.addScaledVector(Bn,e),Gn.addScaledVector(zn,e)):(Hn.addScaledVector(kn.sub(Nn),e),Vn.addScaledVector(Bn.sub(Fn),e),Gn.addScaledVector(zn.sub(Un),e)))}Nn.add(Hn),Fn.add(Vn),Un.add(Gn)}t.isSkinnedMesh&&(t.boneTransform(h,Nn),t.boneTransform(c,Fn),t.boneTransform(u,Un));const p=function(t,e,n,i,r,s,a,o){let l;if(l=1===e.side?i.intersectTriangle(a,s,r,!0,o):i.intersectTriangle(r,s,a,2!==e.side,o),null===l)return null;$n.copy(o),$n.applyMatrix4(t.matrixWorld);const h=n.ray.origin.distanceTo($n);return h<n.near||h>n.far?null:{distance:h,point:$n.clone(),object:t}}(t,e,n,i,Nn,Fn,Un,Xn);if(p){o&&(Wn.fromBufferAttribute(o,h),jn.fromBufferAttribute(o,c),qn.fromBufferAttribute(o,u),p.uv=mn.getUV(Xn,Nn,Fn,Un,Wn,jn,qn,new Rt)),l&&(Wn.fromBufferAttribute(l,h),jn.fromBufferAttribute(l,c),qn.fromBufferAttribute(l,u),p.uv2=mn.getUV(Xn,Nn,Fn,Un,Wn,jn,qn,new Rt));const t={a:h,b:c,c:u,normal:new te,materialIndex:0};mn.getNormal(Nn,Fn,Un,t.normal),p.face=t}return p}Yn.prototype.isMesh=!0;class Jn extends Pn{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],h=[],c=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const y=s/f,x=p/g,b=s/2,_=p/2,w=m/2,M=f+1,S=g+1;let T=0,E=0;const A=new te;for(let s=0;s<S;s++){const a=s*x-_;for(let o=0;o<M;o++){const u=o*y-b;A[t]=u*i,A[e]=a*r,A[n]=w,l.push(A.x,A.y,A.z),A[t]=0,A[e]=0,A[n]=m>0?1:-1,h.push(A.x,A.y,A.z),c.push(o/f),c.push(1-s/g),T+=1}}for(let t=0;t<g;t++)for(let e=0;e<f;e++){const n=u+e+M*t,i=u+e+M*(t+1),r=u+(e+1)+M*(t+1),s=u+(e+1)+M*t;o.push(n,i,s),o.push(i,r,s),E+=6}a.addGroup(d,E,v),d+=E,u+=T}p("z","y","x",-1,-1,n,e,t,s,r,0),p("z","y","x",1,-1,n,e,-t,s,r,1),p("x","z","y",1,1,t,n,e,i,s,2),p("x","z","y",1,-1,t,n,-e,i,s,3),p("x","y","z",1,-1,t,e,n,i,r,4),p("x","y","z",-1,-1,t,e,-n,i,r,5),this.setIndex(o),this.setAttribute("position",new Mn(l,3)),this.setAttribute("normal",new Mn(h,3)),this.setAttribute("uv",new Mn(c,2))}static fromJSON(t){return new Jn(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function Kn(t){const e={};for(const n in t){e[n]={};for(const i in t[n]){const r=t[n][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?e[n][i]=r.clone():Array.isArray(r)?e[n][i]=r.slice():e[n][i]=r}}return e}function Qn(t){const e={};for(let n=0;n<t.length;n++){const i=Kn(t[n]);for(const t in i)e[t]=i[t]}return e}const ti={clone:Kn,merge:Qn};class ei extends gn{constructor(t){super(),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&(void 0!==t.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(t))}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Kn(t.uniforms),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const n in this.uniforms){const i=this.uniforms[n].value;i&&i.isTexture?e.uniforms[n]={type:"t",value:i.toJSON(t).uuid}:i&&i.isColor?e.uniforms[n]={type:"c",value:i.getHex()}:i&&i.isVector2?e.uniforms[n]={type:"v2",value:i.toArray()}:i&&i.isVector3?e.uniforms[n]={type:"v3",value:i.toArray()}:i&&i.isVector4?e.uniforms[n]={type:"v4",value:i.toArray()}:i&&i.isMatrix3?e.uniforms[n]={type:"m3",value:i.toArray()}:i&&i.isMatrix4?e.uniforms[n]={type:"m4",value:i.toArray()}:e.uniforms[n]={value:i}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}ei.prototype.isShaderMaterial=!0;class ni extends nn{constructor(){super(),this.type="Camera",this.matrixWorldInverse=new Pe,this.projectionMatrix=new Pe,this.projectionMatrixInverse=new Pe}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}ni.prototype.isCamera=!0;class ii extends ni{constructor(t=50,e=1,n=.1,i=2e3){super(),this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*xt*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*yt*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*xt*Math.atan(Math.tan(.5*yt*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*yt*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}ii.prototype.isPerspectiveCamera=!0;const ri=90;class si extends nn{constructor(t,e,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const i=new ii(ri,1,t,e);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new te(1,0,0)),this.add(i);const r=new ii(ri,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new te(-1,0,0)),this.add(r);const s=new ii(ri,1,t,e);s.layers=this.layers,s.up.set(0,0,1),s.lookAt(new te(0,1,0)),this.add(s);const a=new ii(ri,1,t,e);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new te(0,-1,0)),this.add(a);const o=new ii(ri,1,t,e);o.layers=this.layers,o.up.set(0,-1,0),o.lookAt(new te(0,0,1)),this.add(o);const l=new ii(ri,1,t,e);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new te(0,0,-1)),this.add(l)}update(t,e){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[i,r,s,a,o,l]=this.children,h=t.getRenderTarget(),c=t.outputEncoding,u=t.toneMapping,d=t.xr.enabled;t.outputEncoding=at,t.toneMapping=0,t.xr.enabled=!1;const p=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,s),t.setRenderTarget(n,3),t.render(e,a),t.setRenderTarget(n,4),t.render(e,o),n.texture.generateMipmaps=p,t.setRenderTarget(n,5),t.render(e,l),t.setRenderTarget(h),t.outputEncoding=c,t.toneMapping=u,t.xr.enabled=d,n.texture.needsPMREMUpdate=!0}}class ai extends $t{constructor(t,e,n,i,r,s,a,o,l,h){super(t=void 0!==t?t:[],e=void 0!==e?e:_,n,i,r,s,a,o,l,h),this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}ai.prototype.isCubeTexture=!0;class oi extends Zt{constructor(t,e={}){super(t,t,e);const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];this.texture=new ai(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:P}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={tEquirect:{value:null}},i="\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",r="\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t",s=new Jn(5,5,5),a=new ei({name:"CubemapFromEquirect",uniforms:Kn(n),vertexShader:i,fragmentShader:r,side:1,blending:0});a.uniforms.tEquirect.value=e;const o=new Yn(s,a),l=e.minFilter;return e.minFilter===I&&(e.minFilter=P),new si(1,10,this).update(t,o),e.minFilter=l,o.geometry.dispose(),o.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}oi.prototype.isWebGLCubeRenderTarget=!0;const li=new te,hi=new te,ci=new Ct;class ui{constructor(t=new te(1,0,0),e=0){this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=li.subVectors(n,e).cross(hi.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)}intersectLine(t,e){const n=t.delta(li),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(n).multiplyScalar(r).add(t.start)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||ci.getNormalMatrix(t),i=this.coplanarPoint(li).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}ui.prototype.isPlane=!0;const di=new we,pi=new te;class mi{constructor(t=new ui,e=new ui,n=new ui,i=new ui,r=new ui,s=new ui){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t){const e=this.planes,n=t.elements,i=n[0],r=n[1],s=n[2],a=n[3],o=n[4],l=n[5],h=n[6],c=n[7],u=n[8],d=n[9],p=n[10],m=n[11],f=n[12],g=n[13],v=n[14],y=n[15];return e[0].setComponents(a-i,c-o,m-u,y-f).normalize(),e[1].setComponents(a+i,c+o,m+u,y+f).normalize(),e[2].setComponents(a+r,c+l,m+d,y+g).normalize(),e[3].setComponents(a-r,c-l,m-d,y-g).normalize(),e[4].setComponents(a-s,c-h,m-p,y-v).normalize(),e[5].setComponents(a+s,c+h,m+p,y+v).normalize(),this}intersectsObject(t){const e=t.geometry;return null===e.boundingSphere&&e.computeBoundingSphere(),di.copy(e.boundingSphere).applyMatrix4(t.matrixWorld),this.intersectsSphere(di)}intersectsSprite(t){return di.center.set(0,0,0),di.radius=.7071067811865476,di.applyMatrix4(t.matrixWorld),this.intersectsSphere(di)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++)if(e[t].distanceToPoint(n)<i)return!1;return!0}intersectsBox(t){const e=this.planes;for(let n=0;n<6;n++){const i=e[n];if(pi.x=i.normal.x>0?t.max.x:t.min.x,pi.y=i.normal.y>0?t.max.y:t.min.y,pi.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(pi)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function fi(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function gi(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const s=i.get(e);void 0===s?i.set(e,function(e,i){const r=e.array,s=e.usage,a=t.createBuffer();let o;if(t.bindBuffer(i,a),t.bufferData(i,r,s),e.onUploadCallback(),r instanceof Float32Array)o=5126;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=5131}else o=5123;else if(r instanceof Int16Array)o=5122;else if(r instanceof Uint32Array)o=5125;else if(r instanceof Int32Array)o=5124;else if(r instanceof Int8Array)o=5120;else if(r instanceof Uint8Array)o=5121;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=5121}return{buffer:a,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):s.version<e.version&&(function(e,i,r){const s=i.array,a=i.updateRange;t.bindBuffer(r,e),-1===a.count?t.bufferSubData(r,0,s):(n?t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s,a.offset,a.count):t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s.subarray(a.offset,a.offset+a.count)),a.count=-1)}(s.buffer,e,r),s.version=e.version)}}}class vi extends Pn{constructor(t=1,e=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:n,heightSegments:i};const r=t/2,s=e/2,a=Math.floor(n),o=Math.floor(i),l=a+1,h=o+1,c=t/a,u=e/o,d=[],p=[],m=[],f=[];for(let t=0;t<h;t++){const e=t*u-s;for(let n=0;n<l;n++){const i=n*c-r;p.push(i,-e,0),m.push(0,0,1),f.push(n/a),f.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const n=e+l*t,i=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(n,i,s),d.push(i,r,s)}this.setIndex(d),this.setAttribute("position",new Mn(p,3)),this.setAttribute("normal",new Mn(m,3)),this.setAttribute("uv",new Mn(f,2))}static fromJSON(t){return new vi(t.width,t.height,t.widthSegments,t.heightSegments)}}const yi={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 ) + 0.5;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tfloat transmissionAlpha = 1.0;\n\tfloat transmissionFactor = transmission;\n\tfloat thicknessFactor = thickness;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n\t\tattenuationColor, attenuationDistance );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <lights_lambert_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <fog_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <emissivemap_fragment>\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include <lightmap_fragment>\n\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <cube_uv_reflection_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include 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4:t.vertexAttrib4fv(i.location,n);break;default:t.vertexAttrib1fv(i.location,n)}}}}v()}(r,l,d,x),null!==b&&t.bindBuffer(34963,n.get(b).buffer))},reset:x,resetDefaultState:b,dispose:function(){x();for(const t in o){const e=o[t];for(const t in e){const n=e[t];for(const t in n)d(n[t].object),delete n[t];delete e[t]}delete o[t]}},releaseStatesOfGeometry:function(t){if(void 0===o[t.id])return;const e=o[t.id];for(const t in e){const n=e[t];for(const t in n)d(n[t].object),delete n[t];delete e[t]}delete o[t.id]},releaseStatesOfProgram:function(t){for(const e in o){const n=o[e];if(void 0===n[t.id])continue;const i=n[t.id];for(const t in i)d(i[t].object),delete i[t];delete n[t.id]}},initAttributes:m,enableAttribute:f,disableUnusedAttributes:v}}function Mi(t,e,n,i){const r=i.isWebGL2;let s;this.setMode=function(t){s=t},this.render=function(e,i){t.drawArrays(s,e,i),n.update(i,s,1)},this.renderInstances=function(i,a,o){if(0===o)return;let l,h;if(r)l=t,h="drawArraysInstanced";else if(l=e.get("ANGLE_instanced_arrays"),h="drawArraysInstancedANGLE",null===l)return void console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");l[h](s,i,a,o),n.update(a,s,o)}}function Si(t,e,n){let i;function r(e){if("highp"===e){if(t.getShaderPrecisionFormat(35633,36338).precision>0&&t.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(35633,36337).precision>0&&t.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=s||e.has("WEBGL_draw_buffers"),h=!0===n.logarithmicDepthBuffer,c=t.getParameter(34930),u=t.getParameter(35660),d=t.getParameter(3379),p=t.getParameter(34076),m=t.getParameter(34921),f=t.getParameter(36347),g=t.getParameter(36348),v=t.getParameter(36349),y=u>0,x=s||e.has("OES_texture_float");return{isWebGL2:s,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:h,maxTextures:c,maxVertexTextures:u,maxTextureSize:d,maxCubemapSize:p,maxAttributes:m,maxVertexUniforms:f,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:y,floatFragmentTextures:x,floatVertexTextures:y&&x,maxSamples:s?t.getParameter(36183):0}}function Ti(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new ui,o=new Ct,l={value:null,needsUpdate:!1};function h(){l.value!==n&&(l.value=n,l.needsUpdate=i>0),e.numPlanes=i,e.numIntersection=0}function c(t,n,i,r){const s=null!==t?t.length:0;let h=null;if(0!==s){if(h=l.value,!0!==r||null===h){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===h||h.length<e)&&(h=new Float32Array(e));for(let e=0,n=i;e!==s;++e,n+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(h,n),h[n+3]=a.constant}l.value=h,l.needsUpdate=!0}return e.numPlanes=s,e.numIntersection=0,h}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e,s){const a=0!==t.length||e||0!==i||r;return r=e,n=c(t,s,0),i=t.length,a},this.beginShadows=function(){s=!0,c(null)},this.endShadows=function(){s=!1,h()},this.setState=function(e,a,o){const u=e.clippingPlanes,d=e.clipIntersection,p=e.clipShadows,m=t.get(e);if(!r||null===u||0===u.length||s&&!p)s?c(null):h();else{const t=s?0:i,e=4*t;let r=m.clippingState||null;l.value=r,r=c(u,a,e,o);for(let t=0;t!==e;++t)r[t]=n[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Ei(t){let e=new WeakMap;function n(t,e){return e===M?t.mapping=_:304===e&&(t.mapping=w),t}function i(t){const n=t.target;n.removeEventListener("dispose",i);const r=e.get(n);void 0!==r&&(e.delete(n),r.dispose())}return{get:function(r){if(r&&r.isTexture&&!1===r.isRenderTargetTexture){const s=r.mapping;if(s===M||304===s){if(e.has(r))return n(e.get(r).texture,r.mapping);{const s=r.image;if(s&&s.height>0){const a=new oi(s.height/2);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",i),n(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}bi.physical={uniforms:Qn([bi.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new Rt(1,1)},clearcoatNormalMap:{value:null},sheen:{value:0},sheenColor:{value:new Vt(0)},sheenColorMap:{value:null},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new Rt},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationColor:{value:new Vt(0)},specularIntensity:{value:1},specularIntensityMap:{value:null},specularColor:{value:new Vt(1,1,1)},specularColorMap:{value:null}}]),vertexShader:yi.meshphysical_vert,fragmentShader:yi.meshphysical_frag};class Ai extends ni{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}Ai.prototype.isOrthographicCamera=!0;const Ri=[.125,.215,.35,.446,.526,.582],Ci=new Ai,Li=new Vt;let Pi=null;const Di=(1+Math.sqrt(5))/2,Ii=1/Di,Oi=[new te(1,1,1),new te(-1,1,1),new te(1,1,-1),new te(-1,1,-1),new te(0,Di,Ii),new te(0,Di,-Ii),new te(Ii,0,Di),new te(-Ii,0,Di),new te(Di,Ii,0),new te(-Di,Ii,0)];class Ni{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){Pi=this._renderer.getRenderTarget(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Bi(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=ki(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t<this._lodPlanes.length;t++)this._lodPlanes[t].dispose()}_cleanup(t){this._renderer.setRenderTarget(Pi),t.scissorTest=!1,Ui(t,0,0,t.width,t.height)}_fromTexture(t,e){t.mapping===_||t.mapping===w?this._setSize(0===t.image.length?16:t.image[0].width||t.image[0].image.width):this._setSize(t.image.width/4),Pi=this._renderer.getRenderTarget();const n=e||this._allocateTargets();return this._textureToCubeUV(t,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const t=3*Math.max(this._cubeSize,112),e=4*this._cubeSize-32,n={magFilter:P,minFilter:P,generateMipmaps:!1,type:k,format:z,encoding:at,depthBuffer:!1},i=Fi(t,e,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Fi(t,e,n);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(t){const e=[],n=[],i=[];let r=t;const s=t-4+1+Ri.length;for(let a=0;a<s;a++){const s=Math.pow(2,r);n.push(s);let o=1/s;a>t-4?o=Ri[a-t+4-1]:0===a&&(o=0),i.push(o);const l=1/(s-1),h=-l/2,c=1+l/2,u=[h,h,c,h,c,c,h,h,c,c,h,c],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),y=new Float32Array(f*p*d),x=new Float32Array(g*p*d);for(let t=0;t<d;t++){const e=t%3*2/3-1,n=t>2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];v.set(i,m*p*t),y.set(u,f*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const b=new Pn;b.setAttribute("position",new bn(v,m)),b.setAttribute("uv",new bn(y,f)),b.setAttribute("faceIndex",new bn(x,g)),e.push(b),r>4&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}(i)),this._blurMaterial=function(t,e,n){const i=new Float32Array(20),r=new te(0,1,0);return new ei({name:"SphericalGaussianBlur",defines:{n:20,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}(i,t,e)}return i}_compileMaterial(t){const e=new Yn(this._lodPlanes[0],t);this._renderer.compile(e,Ci)}_sceneToCubeUV(t,e,n,i){const r=new ii(90,1,e,n),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,h=o.toneMapping;o.getClearColor(Li),o.toneMapping=0,o.autoClear=!1;const c=new vn({name:"PMREM.Background",side:1,depthWrite:!1,depthTest:!1}),u=new Yn(new Jn,c);let d=!1;const p=t.background;p?p.isColor&&(c.color.copy(p),t.background=null,d=!0):(c.color.copy(Li),d=!0);for(let e=0;e<6;e++){const n=e%3;0===n?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===n?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Ui(i,n*l,e>2?l:0,l,l),o.setRenderTarget(i),d&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=h,o.autoClear=l,t.background=p}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===_||t.mapping===w;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Bi()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=ki());const r=i?this._cubemapMaterial:this._equirectMaterial,s=new Yn(this._lodPlanes[0],r);r.uniforms.envMap.value=t;const a=this._cubeSize;Ui(e,0,0,3*a,2*a),n.setRenderTarget(e),n.render(s,Ci)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const n=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),i=Oi[(e-1)%Oi.length];this._blur(t,e-1,e,n,i)}e.autoClear=n}_blur(t,e,n,i,r){const s=this._pingPongRenderTarget;this._halfBlur(t,s,e,n,i,"latitudinal",r),this._halfBlur(s,t,n,n,i,"longitudinal",r)}_halfBlur(t,e,n,i,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");const h=new Yn(this._lodPlanes[i],l),c=l.uniforms,u=this._sizeLods[n]-1,d=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/d,m=isFinite(r)?1+Math.floor(3*p):20;m>20&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let t=0;t<20;++t){const e=t/p,n=Math.exp(-e*e/2);f.push(n),0===t?g+=n:t<m&&(g+=2*n)}for(let t=0;t<f.length;t++)f[t]=f[t]/g;c.envMap.value=t.texture,c.samples.value=m,c.weights.value=f,c.latitudinal.value="latitudinal"===s,a&&(c.poleAxis.value=a);const{_lodMax:v}=this;c.dTheta.value=d,c.mipInt.value=v-n;const y=this._sizeLods[i];Ui(e,3*y*(i>v-4?i-v+4:0),4*(this._cubeSize-y),3*y,2*y),o.setRenderTarget(e),o.render(h,Ci)}}function Fi(t,e,n){const i=new Zt(t,e,n);return i.texture.mapping=S,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function Ui(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function ki(){return new ei({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Bi(){return new ei({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t",fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, 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this.materialCache.delete(t),this}getVertexShaderID(t){return this._getShaderStage(t.vertexShader).id}getFragmentShaderID(t){return this._getShaderStage(t.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(t){const e=this.materialCache;return!1===e.has(t)&&e.set(t,new Set),e.get(t)}_getShaderStage(t){const e=this.shaderCache;if(!1===e.has(t)){const n=new bs(t);e.set(t,n)}return e.get(t)}}class bs{constructor(t){this.id=ys++,this.code=t,this.usedTimes=0}}function _s(t,e,n,i,r,s,a){const o=new Ve,l=new xs,h=[],c=r.isWebGL2,u=r.logarithmicDepthBuffer,d=r.floatVertexTextures,p=r.maxVertexUniforms,m=r.vertexTextures;let f=r.precision;const g={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"};return{getParameters:function(s,o,h,v,y){const x=v.fog,b=y.geometry,_=s.isMeshStandardMaterial?v.environment:null,w=(s.isMeshStandardMaterial?n:e).get(s.envMap||_),M=w&&w.mapping===S?w.image.height:null,T=g[s.type],E=y.isSkinnedMesh?function(t){const e=t.skeleton.bones;if(d)return 1024;{const t=p,n=Math.floor((t-20)/4),i=Math.min(n,e.length);return i<e.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+e.length+" bones. This GPU supports "+i+"."),0):i}}(y):0;null!==s.precision&&(f=r.getMaxPrecision(s.precision),f!==s.precision&&console.warn("THREE.WebGLProgram.getParameters:",s.precision,"not supported, using",f,"instead."));const A=b.morphAttributes.position||b.morphAttributes.normal||b.morphAttributes.color,R=void 0!==A?A.length:0;let C,L,P,D,I=0;if(void 0!==b.morphAttributes.position&&(I=1),void 0!==b.morphAttributes.normal&&(I=2),void 0!==b.morphAttributes.color&&(I=3),T){const t=bi[T];C=t.vertexShader,L=t.fragmentShader}else C=s.vertexShader,L=s.fragmentShader,l.update(s),P=l.getVertexShaderID(s),D=l.getFragmentShaderID(s);const O=t.getRenderTarget(),N=s.alphaTest>0,F=s.clearcoat>0;return{isWebGL2:c,shaderID:T,shaderName:s.type,vertexShader:C,fragmentShader:L,defines:s.defines,customVertexShaderID:P,customFragmentShaderID:D,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:f,instancing:!0===y.isInstancedMesh,instancingColor:!0===y.isInstancedMesh&&null!==y.instanceColor,supportsVertexTextures:m,outputEncoding:null===O?t.outputEncoding:!0===O.isXRRenderTarget?O.texture.encoding:at,map:!!s.map,matcap:!!s.matcap,envMap:!!w,envMapMode:w&&w.mapping,envMapCubeUVHeight:M,lightMap:!!s.lightMap,aoMap:!!s.aoMap,emissiveMap:!!s.emissiveMap,bumpMap:!!s.bumpMap,normalMap:!!s.normalMap,objectSpaceNormalMap:1===s.normalMapType,tangentSpaceNormalMap:0===s.normalMapType,decodeVideoTexture:!!s.map&&!0===s.map.isVideoTexture&&s.map.encoding===ot,clearcoat:F,clearcoatMap:F&&!!s.clearcoatMap,clearcoatRoughnessMap:F&&!!s.clearcoatRoughnessMap,clearcoatNormalMap:F&&!!s.clearcoatNormalMap,displacementMap:!!s.displacementMap,roughnessMap:!!s.roughnessMap,metalnessMap:!!s.metalnessMap,specularMap:!!s.specularMap,specularIntensityMap:!!s.specularIntensityMap,specularColorMap:!!s.specularColorMap,opaque:!1===s.transparent&&1===s.blending,alphaMap:!!s.alphaMap,alphaTest:N,gradientMap:!!s.gradientMap,sheen:s.sheen>0,sheenColorMap:!!s.sheenColorMap,sheenRoughnessMap:!!s.sheenRoughnessMap,transmission:s.transmission>0,transmissionMap:!!s.transmissionMap,thicknessMap:!!s.thicknessMap,combine:s.combine,vertexTangents:!!s.normalMap&&!!b.attributes.tangent,vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!b.attributes.color&&4===b.attributes.color.itemSize,vertexUvs:!!(s.map||s.bumpMap||s.normalMap||s.specularMap||s.alphaMap||s.emissiveMap||s.roughnessMap||s.metalnessMap||s.clearcoatMap||s.clearcoatRoughnessMap||s.clearcoatNormalMap||s.displacementMap||s.transmissionMap||s.thicknessMap||s.specularIntensityMap||s.specularColorMap||s.sheenColorMap||s.sheenRoughnessMap),uvsVertexOnly:!(s.map||s.bumpMap||s.normalMap||s.specularMap||s.alphaMap||s.emissiveMap||s.roughnessMap||s.metalnessMap||s.clearcoatNormalMap||s.transmission>0||s.transmissionMap||s.thicknessMap||s.specularIntensityMap||s.specularColorMap||s.sheen>0||s.sheenColorMap||s.sheenRoughnessMap||!s.displacementMap),fog:!!x,useFog:s.fog,fogExp2:x&&x.isFogExp2,flatShading:!!s.flatShading,sizeAttenuation:s.sizeAttenuation,logarithmicDepthBuffer:u,skinning:!0===y.isSkinnedMesh&&E>0,maxBones:E,useVertexTexture:d,morphTargets:void 0!==b.morphAttributes.position,morphNormals:void 0!==b.morphAttributes.normal,morphColors:void 0!==b.morphAttributes.color,morphTargetsCount:R,morphTextureStride:I,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:s.toneMapped?t.toneMapping:0,physicallyCorrectLights:t.physicallyCorrectLights,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:1===s.side,depthPacking:void 0!==s.depthPacking&&s.depthPacking,index0AttributeName:s.index0AttributeName,extensionDerivatives:s.extensions&&s.extensions.derivatives,extensionFragDepth:s.extensions&&s.extensions.fragDepth,extensionDrawBuffers:s.extensions&&s.extensions.drawBuffers,extensionShaderTextureLOD:s.extensions&&s.extensions.shaderTextureLOD,rendererExtensionFragDepth:c||i.has("EXT_frag_depth"),rendererExtensionDrawBuffers:c||i.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:c||i.has("EXT_shader_texture_lod"),customProgramCacheKey:s.customProgramCacheKey()}},getProgramCacheKey:function(e){const n=[];if(e.shaderID?n.push(e.shaderID):(n.push(e.customVertexShaderID),n.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)n.push(t),n.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(function(t,e){t.push(e.precision),t.push(e.outputEncoding),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.combine),t.push(e.vertexUvs),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.maxBones),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection)}(n,e),function(t,e){o.disableAll(),e.isWebGL2&&o.enable(0),e.supportsVertexTextures&&o.enable(1),e.instancing&&o.enable(2),e.instancingColor&&o.enable(3),e.map&&o.enable(4),e.matcap&&o.enable(5),e.envMap&&o.enable(6),e.lightMap&&o.enable(7),e.aoMap&&o.enable(8),e.emissiveMap&&o.enable(9),e.bumpMap&&o.enable(10),e.normalMap&&o.enable(11),e.objectSpaceNormalMap&&o.enable(12),e.tangentSpaceNormalMap&&o.enable(13),e.clearcoat&&o.enable(14),e.clearcoatMap&&o.enable(15),e.clearcoatRoughnessMap&&o.enable(16),e.clearcoatNormalMap&&o.enable(17),e.displacementMap&&o.enable(18),e.specularMap&&o.enable(19),e.roughnessMap&&o.enable(20),e.metalnessMap&&o.enable(21),e.gradientMap&&o.enable(22),e.alphaMap&&o.enable(23),e.alphaTest&&o.enable(24),e.vertexColors&&o.enable(25),e.vertexAlphas&&o.enable(26),e.vertexUvs&&o.enable(27),e.vertexTangents&&o.enable(28),e.uvsVertexOnly&&o.enable(29),e.fog&&o.enable(30),t.push(o.mask),o.disableAll(),e.useFog&&o.enable(0),e.flatShading&&o.enable(1),e.logarithmicDepthBuffer&&o.enable(2),e.skinning&&o.enable(3),e.useVertexTexture&&o.enable(4),e.morphTargets&&o.enable(5),e.morphNormals&&o.enable(6),e.morphColors&&o.enable(7),e.premultipliedAlpha&&o.enable(8),e.shadowMapEnabled&&o.enable(9),e.physicallyCorrectLights&&o.enable(10),e.doubleSided&&o.enable(11),e.flipSided&&o.enable(12),e.depthPacking&&o.enable(13),e.dithering&&o.enable(14),e.specularIntensityMap&&o.enable(15),e.specularColorMap&&o.enable(16),e.transmission&&o.enable(17),e.transmissionMap&&o.enable(18),e.thicknessMap&&o.enable(19),e.sheen&&o.enable(20),e.sheenColorMap&&o.enable(21),e.sheenRoughnessMap&&o.enable(22),e.decodeVideoTexture&&o.enable(23),e.opaque&&o.enable(24),t.push(o.mask)}(n,e),n.push(t.outputEncoding)),n.push(e.customProgramCacheKey),n.join()},getUniforms:function(t){const e=g[t.type];let n;if(e){const t=bi[e];n=ti.clone(t.uniforms)}else n=t.uniforms;return n},acquireProgram:function(e,n){let i;for(let t=0,e=h.length;t<e;t++){const e=h[t];if(e.cacheKey===n){i=e,++i.usedTimes;break}}return void 0===i&&(i=new vs(t,n,e,s),h.push(i)),i},releaseProgram:function(t){if(0==--t.usedTimes){const e=h.indexOf(t);h[e]=h[h.length-1],h.pop(),t.destroy()}},releaseShaderCache:function(t){l.remove(t)},programs:h,dispose:function(){l.dispose()}}}function ws(){let t=new WeakMap;return{get:function(e){let n=t.get(e);return void 0===n&&(n={},t.set(e,n)),n},remove:function(e){t.delete(e)},update:function(e,n,i){t.get(e)[n]=i},dispose:function(){t=new WeakMap}}}function Ms(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function Ss(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function Ts(){const t=[];let e=0;const n=[],i=[],r=[];function s(n,i,r,s,a,o){let l=t[e];return void 0===l?(l={id:n.id,object:n,geometry:i,material:r,groupOrder:s,renderOrder:n.renderOrder,z:a,group:o},t[e]=l):(l.id=n.id,l.object=n,l.geometry=i,l.material=r,l.groupOrder=s,l.renderOrder=n.renderOrder,l.z=a,l.group=o),e++,l}return{opaque:n,transmissive:i,transparent:r,init:function(){e=0,n.length=0,i.length=0,r.length=0},push:function(t,e,a,o,l,h){const c=s(t,e,a,o,l,h);a.transmission>0?i.push(c):!0===a.transparent?r.push(c):n.push(c)},unshift:function(t,e,a,o,l,h){const c=s(t,e,a,o,l,h);a.transmission>0?i.unshift(c):!0===a.transparent?r.unshift(c):n.unshift(c)},finish:function(){for(let n=e,i=t.length;n<i;n++){const e=t[n];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){n.length>1&&n.sort(t||Ms),i.length>1&&i.sort(e||Ss),r.length>1&&r.sort(e||Ss)}}}function Es(){let t=new WeakMap;return{get:function(e,n){let i;return!1===t.has(e)?(i=new Ts,t.set(e,[i])):n>=t.get(e).length?(i=new Ts,t.get(e).push(i)):i=t.get(e)[n],i},dispose:function(){t=new WeakMap}}}function As(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new te,color:new Vt};break;case"SpotLight":n={position:new te,direction:new te,color:new Vt,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new te,color:new Vt,distance:0,decay:0};break;case"HemisphereLight":n={direction:new te,skyColor:new Vt,groundColor:new Vt};break;case"RectAreaLight":n={color:new Vt,position:new te,halfWidth:new te,halfHeight:new te}}return t[e.id]=n,n}}}let Rs=0;function Cs(t,e){return(e.castShadow?1:0)-(t.castShadow?1:0)}function Ls(t,e){const n=new As,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Rt};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Rt,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let t=0;t<9;t++)r.probe.push(new te);const s=new te,a=new Pe,o=new Pe;return{setup:function(s,a){let o=0,l=0,h=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let c=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0;s.sort(Cs);const y=!0!==a?Math.PI:1;for(let t=0,e=s.length;t<e;t++){const e=s[t],a=e.color,x=e.intensity,b=e.distance,_=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)o+=a.r*x*y,l+=a.g*x*y,h+=a.b*x*y;else if(e.isLightProbe)for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],x);else if(e.isDirectionalLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*y),e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.directionalShadow[c]=n,r.directionalShadowMap[c]=_,r.directionalShadowMatrix[c]=e.shadow.matrix,f++}r.directional[c]=t,c++}else if(e.isSpotLight){const t=n.get(e);if(t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(a).multiplyScalar(x*y),t.distance=b,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,r.spotShadow[d]=n,r.spotShadowMap[d]=_,r.spotShadowMatrix[d]=e.shadow.matrix,v++}r.spot[d]=t,d++}else if(e.isRectAreaLight){const t=n.get(e);t.color.copy(a).multiplyScalar(x),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[p]=t,p++}else if(e.isPointLight){const t=n.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*y),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,n=i.get(e);n.shadowBias=t.bias,n.shadowNormalBias=t.normalBias,n.shadowRadius=t.radius,n.shadowMapSize=t.mapSize,n.shadowCameraNear=t.camera.near,n.shadowCameraFar=t.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=_,r.pointShadowMatrix[u]=e.shadow.matrix,g++}r.point[u]=t,u++}else if(e.isHemisphereLight){const t=n.get(e);t.skyColor.copy(e.color).multiplyScalar(x*y),t.groundColor.copy(e.groundColor).multiplyScalar(x*y),r.hemi[m]=t,m++}}p>0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=xi.LTC_FLOAT_1,r.rectAreaLTC2=xi.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=xi.LTC_HALF_1,r.rectAreaLTC2=xi.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=h;const x=r.hash;x.directionalLength===c&&x.pointLength===u&&x.spotLength===d&&x.rectAreaLength===p&&x.hemiLength===m&&x.numDirectionalShadows===f&&x.numPointShadows===g&&x.numSpotShadows===v||(r.directional.length=c,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=m,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=v,r.spotShadowMap.length=v,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=g,r.spotShadowMatrix.length=v,x.directionalLength=c,x.pointLength=u,x.spotLength=d,x.rectAreaLength=p,x.hemiLength=m,x.numDirectionalShadows=f,x.numPointShadows=g,x.numSpotShadows=v,r.version=Rs++)},setupView:function(t,e){let n=0,i=0,l=0,h=0,c=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e<d;e++){const d=t[e];if(d.isDirectionalLight){const t=r.directional[n];t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),n++}else if(d.isSpotLight){const t=r.spot[l];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const t=r.rectArea[h];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),o.identity(),a.copy(d.matrixWorld),a.premultiply(u),o.extractRotation(a),t.halfWidth.set(.5*d.width,0,0),t.halfHeight.set(0,.5*d.height,0),t.halfWidth.applyMatrix4(o),t.halfHeight.applyMatrix4(o),h++}else if(d.isPointLight){const t=r.point[i];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),i++}else if(d.isHemisphereLight){const t=r.hemi[c];t.direction.setFromMatrixPosition(d.matrixWorld),t.direction.transformDirection(u),t.direction.normalize(),c++}}},state:r}}function Ps(t,e){const n=new Ls(t,e),i=[],r=[];return{init:function(){i.length=0,r.length=0},state:{lightsArray:i,shadowsArray:r,lights:n},setupLights:function(t){n.setup(i,t)},setupLightsView:function(t){n.setupView(i,t)},pushLight:function(t){i.push(t)},pushShadow:function(t){r.push(t)}}}function Ds(t,e){let n=new WeakMap;return{get:function(i,r=0){let s;return!1===n.has(i)?(s=new Ps(t,e),n.set(i,[s])):r>=n.get(i).length?(s=new Ps(t,e),n.get(i).push(s)):s=n.get(i)[r],s},dispose:function(){n=new WeakMap}}}class Is extends gn{constructor(t){super(),this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(t)}copy(t){return 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if(o&&e.samples>0&&!1===rt(e)){h.__webglMultisampledFramebuffer=t.createFramebuffer(),h.__webglColorRenderbuffer=t.createRenderbuffer(),t.bindRenderbuffer(36161,h.__webglColorRenderbuffer);const i=s.convert(l.format,l.encoding),r=s.convert(l.type),a=M(l.internalFormat,i,r,l.encoding),o=it(e);t.renderbufferStorageMultisample(36161,o,a,e.width,e.height),n.bindFramebuffer(36160,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(36160,36064,36161,h.__webglColorRenderbuffer),t.bindRenderbuffer(36161,null),e.depthBuffer&&(h.__webglDepthRenderbuffer=t.createRenderbuffer(),et(h.__webglDepthRenderbuffer,e,!0)),n.bindFramebuffer(36160,null)}if(u){n.bindTexture(34067,c.__webglTexture),J(34067,l,p);for(let t=0;t<6;t++)tt(h.__webglFramebuffer[t],e,l,36064,34069+t);_(l,p)&&w(34067),n.unbindTexture()}else if(d){const t=e.texture;for(let r=0,s=t.length;r<s;r++){const s=t[r],a=i.get(s);n.bindTexture(3553,a.__webglTexture),J(3553,s,p),tt(h.__webglFramebuffer,e,s,36064+r,3553),_(s,p)&&w(3553)}n.unbindTexture()}else{let t=3553;(e.isWebGL3DRenderTarget||e.isWebGLArrayRenderTarget)&&(o?t=e.isWebGL3DRenderTarget?32879:35866:console.error("THREE.WebGLTextures: THREE.Data3DTexture and THREE.DataArrayTexture only supported with WebGL2.")),n.bindTexture(t,c.__webglTexture),J(t,l,p),tt(h.__webglFramebuffer,e,l,36064,t),_(l,p)&&w(t),n.unbindTexture()}e.depthBuffer&&nt(e)},this.updateRenderTargetMipmap=function(t){const e=b(t)||o,r=!0===t.isWebGLMultipleRenderTargets?t.texture:[t.texture];for(let s=0,a=r.length;s<a;s++){const a=r[s];if(_(a,e)){const e=t.isWebGLCubeRenderTarget?34067:3553,r=i.get(a).__webglTexture;n.bindTexture(e,r),w(e),n.unbindTexture()}}},this.updateMultisampleRenderTarget=function(e){if(o&&e.samples>0&&!1===rt(e)){const r=e.width,s=e.height;let a=16384;const o=[36064],l=e.stencilBuffer?33306:36096;e.depthBuffer&&o.push(l);const h=i.get(e),c=void 0!==h.__ignoreDepthValues&&h.__ignoreDepthValues;!1===c&&(e.depthBuffer&&(a|=256),e.stencilBuffer&&(a|=1024)),n.bindFramebuffer(36008,h.__webglMultisampledFramebuffer),n.bindFramebuffer(36009,h.__webglFramebuffer),!0===c&&(t.invalidateFramebuffer(36008,[l]),t.invalidateFramebuffer(36009,[l])),t.blitFramebuffer(0,0,r,s,0,0,r,s,a,9728),p&&t.invalidateFramebuffer(36008,o),n.bindFramebuffer(36008,null),n.bindFramebuffer(36009,h.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=nt,this.setupFrameBufferTexture=tt,this.useMultisampledRTT=rt}function ks(t,e,n){const i=n.isWebGL2;return{convert:function(t,n=null){let r;if(t===O)return 5121;if(1017===t)return 32819;if(1018===t)return 32820;if(1010===t)return 5120;if(1011===t)return 5122;if(t===N)return 5123;if(1013===t)return 5124;if(t===F)return 5125;if(t===U)return 5126;if(t===k)return i?5131:(r=e.get("OES_texture_half_float"),null!==r?r.HALF_FLOAT_OES:null);if(1021===t)return 6406;if(t===z)return 6408;if(1024===t)return 6409;if(1025===t)return 6410;if(t===H)return 6402;if(t===V)return 34041;if(1028===t)return 6403;if(1022===t)return console.warn("THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228"),6408;if(t===mt)return r=e.get("EXT_sRGB"),null!==r?r.SRGB_ALPHA_EXT:null;if(1029===t)return 36244;if(1030===t)return 33319;if(1031===t)return 33320;if(1033===t)return 36249;if(t===G||t===W||t===j||t===q)if(n===ot){if(r=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===r)return null;if(t===G)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(t===W)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(t===j)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(t===q)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(r=e.get("WEBGL_compressed_texture_s3tc"),null===r)return null;if(t===G)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(t===W)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(t===j)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(t===q)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(t===X||35841===t||t===$||35843===t){if(r=e.get("WEBGL_compressed_texture_pvrtc"),null===r)return null;if(t===X)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===t)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(t===$)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===t)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===t)return r=e.get("WEBGL_compressed_texture_etc1"),null!==r?r.COMPRESSED_RGB_ETC1_WEBGL:null;if(t===Y||t===Z){if(r=e.get("WEBGL_compressed_texture_etc"),null===r)return null;if(t===Y)return n===ot?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(t===Z)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC}if(t===J||37809===t||37810===t||37811===t||37812===t||37813===t||37814===t||37815===t||37816===t||37817===t||37818===t||37819===t||37820===t||37821===t){if(r=e.get("WEBGL_compressed_texture_astc"),null===r)return null;if(t===J)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(37809===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(37810===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(37811===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(37812===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(37813===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(37814===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(37815===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(37816===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(37817===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(37818===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(37819===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(37820===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(37821===t)return n===ot?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(t===K){if(r=e.get("EXT_texture_compression_bptc"),null===r)return null;if(t===K)return n===ot?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT}return t===B?i?34042:(r=e.get("WEBGL_depth_texture"),null!==r?r.UNSIGNED_INT_24_8_WEBGL:null):void 0}}}Os.prototype.isMeshDistanceMaterial=!0;class Bs extends ii{constructor(t=[]){super(),this.cameras=t}}Bs.prototype.isArrayCamera=!0;class zs extends nn{constructor(){super(),this.type="Group"}}zs.prototype.isGroup=!0;const Hs={type:"move"};class Vs{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new zs,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new zs,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new te,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new te),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new zs,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new te,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new te),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,n){let i=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState)if(null!==a&&(i=e.getPose(t.targetRaySpace,n),null!==i&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),i.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(i.linearVelocity)):a.hasLinearVelocity=!1,i.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(i.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Hs))),l&&t.hand){s=!0;for(const i of t.hand.values()){const t=e.getJointPose(i,n);if(void 0===l.joints[i.jointName]){const t=new zs;t.matrixAutoUpdate=!1,t.visible=!1,l.joints[i.jointName]=t,l.add(t)}const r=l.joints[i.jointName];null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.jointRadius=t.radius),r.visible=null!==t}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=i.position.distanceTo(r.position),o=.02,h=.005;l.inputState.pinching&&a>o+h?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-h&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));return null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}}class Gs extends $t{constructor(t,e,n,i,r,s,a,o,l,h){if((h=void 0!==h?h:H)!==H&&h!==V)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&h===H&&(n=N),void 0===n&&h===V&&(n=B),super(null,i,r,s,a,o,h,n,l),this.image={width:t,height:e},this.magFilter=void 0!==a?a:R,this.minFilter=void 0!==o?o:R,this.flipY=!1,this.generateMipmaps=!1}}Gs.prototype.isDepthTexture=!0;class Ws extends ft{constructor(t,e){super();const n=this;let i=null,r=1,s=null,a="local-floor",o=null,l=null,h=null,c=null,u=null;const d=e.getContextAttributes();let p=null,m=null;const f=[],g=new Map,v=new ii;v.layers.enable(1),v.viewport=new Yt;const y=new ii;y.layers.enable(2),y.viewport=new Yt;const x=[v,y],b=new Bs;b.layers.enable(1),b.layers.enable(2);let _=null,w=null;function M(t){const e=g.get(t.inputSource);e&&e.dispatchEvent({type:t.type,data:t.inputSource})}function S(){g.forEach((function(t,e){t.disconnect(e)})),g.clear(),_=null,w=null,t.setRenderTarget(p),c=null,h=null,l=null,i=null,m=null,L.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function T(t){const e=i.inputSources;for(let t=0;t<f.length;t++)g.set(e[t],f[t]);for(let e=0;e<t.removed.length;e++){const n=t.removed[e],i=g.get(n);i&&(i.dispatchEvent({type:"disconnected",data:n}),g.delete(n))}for(let e=0;e<t.added.length;e++){const n=t.added[e],i=g.get(n);i&&i.dispatchEvent({type:"connected",data:n})}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=f[t];return void 0===e&&(e=new Vs,f[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=f[t];return void 0===e&&(e=new Vs,f[t]=e),e.getGripSpace()},this.getHand=function(t){let e=f[t];return void 0===e&&(e=new Vs,f[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return s},this.getBaseLayer=function(){return null!==h?h:c},this.getBinding=function(){return l},this.getFrame=function(){return u},this.getSession=function(){return i},this.setSession=async function(o){if(i=o,null!==i){if(p=t.getRenderTarget(),i.addEventListener("select",M),i.addEventListener("selectstart",M),i.addEventListener("selectend",M),i.addEventListener("squeeze",M),i.addEventListener("squeezestart",M),i.addEventListener("squeezeend",M),i.addEventListener("end",S),i.addEventListener("inputsourceschange",T),!0!==d.xrCompatible&&await e.makeXRCompatible(),void 0===i.renderState.layers||!1===t.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||d.antialias,alpha:d.alpha,depth:d.depth,stencil:d.stencil,framebufferScaleFactor:r};c=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:c}),m=new Zt(c.framebufferWidth,c.framebufferHeight,{format:z,type:O,encoding:t.outputEncoding})}else{let n=null,s=null,a=null;d.depth&&(a=d.stencil?35056:33190,n=d.stencil?V:H,s=d.stencil?B:N);const o={colorFormat:t.outputEncoding===ot?35907:32856,depthFormat:a,scaleFactor:r};l=new XRWebGLBinding(i,e),h=l.createProjectionLayer(o),i.updateRenderState({layers:[h]}),m=new Zt(h.textureWidth,h.textureHeight,{format:z,type:O,depthTexture:new Gs(h.textureWidth,h.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:d.stencil,encoding:t.outputEncoding,samples:d.antialias?4:0}),t.properties.get(m).__ignoreDepthValues=h.ignoreDepthValues}m.isXRRenderTarget=!0,this.setFoveation(1),s=await i.requestReferenceSpace(a),L.setContext(i),L.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}};const E=new te,A=new te;function R(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===i)return;b.near=y.near=v.near=t.near,b.far=y.far=v.far=t.far,_===b.near&&w===b.far||(i.updateRenderState({depthNear:b.near,depthFar:b.far}),_=b.near,w=b.far);const e=t.parent,n=b.cameras;R(b,e);for(let t=0;t<n.length;t++)R(n[t],e);b.matrixWorld.decompose(b.position,b.quaternion,b.scale),t.position.copy(b.position),t.quaternion.copy(b.quaternion),t.scale.copy(b.scale),t.matrix.copy(b.matrix),t.matrixWorld.copy(b.matrixWorld);const r=t.children;for(let t=0,e=r.length;t<e;t++)r[t].updateMatrixWorld(!0);2===n.length?function(t,e,n){E.setFromMatrixPosition(e.matrixWorld),A.setFromMatrixPosition(n.matrixWorld);const i=E.distanceTo(A),r=e.projectionMatrix.elements,s=n.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],h=(r[9]-1)/r[5],c=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*c,p=a*u,m=i/(-c+u),f=m*-c;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(f),t.translateZ(m),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=a+m,v=o+m,y=d-f,x=p+(i-f),b=l*o/v*g,_=h*o/v*g;t.projectionMatrix.makePerspective(y,x,b,_,g,v)}(b,v,y):b.projectionMatrix.copy(v.projectionMatrix)},this.getCamera=function(){return b},this.getFoveation=function(){return null!==h?h.fixedFoveation:null!==c?c.fixedFoveation:void 0},this.setFoveation=function(t){null!==h&&(h.fixedFoveation=t),null!==c&&void 0!==c.fixedFoveation&&(c.fixedFoveation=t)};let C=null;const L=new fi;L.setAnimationLoop((function(e,n){if(o=n.getViewerPose(s),u=n,null!==o){const e=o.views;null!==c&&(t.setRenderTargetFramebuffer(m,c.framebuffer),t.setRenderTarget(m));let n=!1;e.length!==b.cameras.length&&(b.cameras.length=0,n=!0);for(let i=0;i<e.length;i++){const r=e[i];let s=null;if(null!==c)s=c.getViewport(r);else{const e=l.getViewSubImage(h,r);s=e.viewport,0===i&&(t.setRenderTargetTextures(m,e.colorTexture,h.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(m))}const a=x[i];a.matrix.fromArray(r.transform.matrix),a.projectionMatrix.fromArray(r.projectionMatrix),a.viewport.set(s.x,s.y,s.width,s.height),0===i&&b.matrix.copy(a.matrix),!0===n&&b.cameras.push(a)}}const r=i.inputSources;for(let t=0;t<f.length;t++){const e=f[t],i=r[t];e.update(i,n,s)}C&&C(e,n),u=null})),this.setAnimationLoop=function(t){C=t},this.dispose=function(){}}}function js(t,e){function n(n,i){n.opacity.value=i.opacity,i.color&&n.diffuse.value.copy(i.color),i.emissive&&n.emissive.value.copy(i.emissive).multiplyScalar(i.emissiveIntensity),i.map&&(n.map.value=i.map),i.alphaMap&&(n.alphaMap.value=i.alphaMap),i.bumpMap&&(n.bumpMap.value=i.bumpMap,n.bumpScale.value=i.bumpScale,1===i.side&&(n.bumpScale.value*=-1)),i.displacementMap&&(n.displacementMap.value=i.displacementMap,n.displacementScale.value=i.displacementScale,n.displacementBias.value=i.displacementBias),i.emissiveMap&&(n.emissiveMap.value=i.emissiveMap),i.normalMap&&(n.normalMap.value=i.normalMap,n.normalScale.value.copy(i.normalScale),1===i.side&&n.normalScale.value.negate()),i.specularMap&&(n.specularMap.value=i.specularMap),i.alphaTest>0&&(n.alphaTest.value=i.alphaTest);const r=e.get(i).envMap;if(r&&(n.envMap.value=r,n.flipEnvMap.value=r.isCubeTexture&&!1===r.isRenderTargetTexture?-1:1,n.reflectivity.value=i.reflectivity,n.ior.value=i.ior,n.refractionRatio.value=i.refractionRatio),i.lightMap){n.lightMap.value=i.lightMap;const e=!0!==t.physicallyCorrectLights?Math.PI:1;n.lightMapIntensity.value=i.lightMapIntensity*e}let s,a;i.aoMap&&(n.aoMap.value=i.aoMap,n.aoMapIntensity.value=i.aoMapIntensity),i.map?s=i.map:i.specularMap?s=i.specularMap:i.displacementMap?s=i.displacementMap:i.normalMap?s=i.normalMap:i.bumpMap?s=i.bumpMap:i.roughnessMap?s=i.roughnessMap:i.metalnessMap?s=i.metalnessMap:i.alphaMap?s=i.alphaMap:i.emissiveMap?s=i.emissiveMap:i.clearcoatMap?s=i.clearcoatMap:i.clearcoatNormalMap?s=i.clearcoatNormalMap:i.clearcoatRoughnessMap?s=i.clearcoatRoughnessMap:i.specularIntensityMap?s=i.specularIntensityMap:i.specularColorMap?s=i.specularColorMap:i.transmissionMap?s=i.transmissionMap:i.thicknessMap?s=i.thicknessMap:i.sheenColorMap?s=i.sheenColorMap:i.sheenRoughnessMap&&(s=i.sheenRoughnessMap),void 0!==s&&(s.isWebGLRenderTarget&&(s=s.texture),!0===s.matrixAutoUpdate&&s.updateMatrix(),n.uvTransform.value.copy(s.matrix)),i.aoMap?a=i.aoMap:i.lightMap&&(a=i.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),n.uv2Transform.value.copy(a.matrix))}return{refreshFogUniforms:function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)},refreshMaterialUniforms:function(t,i,r,s,a){i.isMeshBasicMaterial||i.isMeshLambertMaterial?n(t,i):i.isMeshToonMaterial?(n(t,i),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,i)):i.isMeshPhongMaterial?(n(t,i),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,i)):i.isMeshStandardMaterial?(n(t,i),function(t,n){t.roughness.value=n.roughness,t.metalness.value=n.metalness,n.roughnessMap&&(t.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(t.metalnessMap.value=n.metalnessMap);e.get(n).envMap&&(t.envMapIntensity.value=n.envMapIntensity)}(t,i),i.isMeshPhysicalMaterial&&function(t,e,n){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap)),e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap),e.clearcoatNormalMap&&(t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),t.clearcoatNormalMap.value=e.clearcoatNormalMap,1===e.side&&t.clearcoatNormalScale.value.negate())),e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=n.texture,t.transmissionSamplerSize.value.set(n.width,n.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor)),t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap)}(t,i,a)):i.isMeshMatcapMaterial?(n(t,i),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,i)):i.isMeshDepthMaterial?n(t,i):i.isMeshDistanceMaterial?(n(t,i),function(t,e){t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(t,i)):i.isMeshNormalMaterial?n(t,i):i.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(t,i),i.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,i)):i.isPointsMaterial?function(t,e,n,i){let r;t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*n,t.scale.value=.5*i,e.map&&(t.map.value=e.map),e.alphaMap&&(t.alphaMap.value=e.alphaMap),e.alphaTest>0&&(t.alphaTest.value=e.alphaTest),e.map?r=e.map:e.alphaMap&&(r=e.alphaMap),void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix))}(t,i,r,s):i.isSpriteMaterial?function(t,e){let n;t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map),e.alphaMap&&(t.alphaMap.value=e.alphaMap),e.alphaTest>0&&(t.alphaTest.value=e.alphaTest),e.map?n=e.map:e.alphaMap&&(n=e.alphaMap),void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),t.uvTransform.value.copy(n.matrix))}(t,i):i.isShadowMaterial?(t.color.value.copy(i.color),t.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function qs(t={}){const e=void 0!==t.canvas?t.canvas:function(){const t=Pt("canvas");return t.style.display="block",t}(),n=void 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P=T.getUniforms(),D=x.uniforms;if(Z.useProgram(T.program)&&(E=!0,C=!0,L=!0),i.id!==_&&(_=i.id,C=!0),E||w!==t){if(P.setValue(yt,"projectionMatrix",t.projectionMatrix),Y.logarithmicDepthBuffer&&P.setValue(yt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),w!==t&&(w=t,C=!0,L=!0),i.isShaderMaterial||i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshStandardMaterial||i.envMap){const e=P.map.cameraPosition;void 0!==e&&e.setValue(yt,j.setFromMatrixPosition(t.matrixWorld))}(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&P.setValue(yt,"isOrthographic",!0===t.isOrthographicCamera),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial||i.isShadowMaterial||r.isSkinnedMesh)&&P.setValue(yt,"viewMatrix",t.matrixWorldInverse)}if(r.isSkinnedMesh){P.setOptional(yt,r,"bindMatrix"),P.setOptional(yt,r,"bindMatrixInverse");const 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if((t.isMesh||t.isLine||t.isPoints)&&(t.isSkinnedMesh&&t.skeleton.frame!==J.render.frame&&(t.skeleton.update(),t.skeleton.frame=J.render.frame),!t.frustumCulled||F.intersectsObject(t))){i&&j.setFromMatrixPosition(t.matrixWorld).applyMatrix4(G);const e=rt.update(t),r=t.material;if(Array.isArray(r)){const i=e.groups;for(let s=0,a=i.length;s<a;s++){const a=i[s],o=r[a.materialIndex];o&&o.visible&&d.push(t,e,o,n,j.z,a)}}else r.visible&&d.push(t,e,r,n,j.z,null)}const r=t.children;for(let t=0,s=r.length;t<s;t++)Dt(r[t],e,n,i)}function It(t,e,n,i){const r=t.opaque,a=t.transmissive,o=t.transparent;p.setupLightsView(n),a.length>0&&function(t,e,n){const i=Y.isWebGL2;null===V&&(V=new Zt(1,1,{generateMipmaps:!0,type:null!==gt.convert(k)?k:O,minFilter:I,samples:i&&!0===s?4:0})),g.getDrawingBufferSize(W),i?V.setSize(W.x,W.y):V.setSize(Et(W.x),Et(W.y));const r=g.getRenderTarget();g.setRenderTarget(V),g.clear();const a=g.toneMapping;g.toneMapping=0,Ot(t,e,n),g.toneMapping=a,Q.updateMultisampleRenderTarget(V),Q.updateRenderTargetMipmap(V),g.setRenderTarget(r)}(r,e,n),i&&Z.viewport(M.copy(i)),r.length>0&&Ot(r,e,n),a.length>0&&Ot(a,e,n),o.length>0&&Ot(o,e,n),Z.buffers.depth.setTest(!0),Z.buffers.depth.setMask(!0),Z.buffers.color.setMask(!0),Z.setPolygonOffset(!1)}function Ot(t,e,n){const i=!0===e.isScene?e.overrideMaterial:null;for(let r=0,s=t.length;r<s;r++){const s=t[r],a=s.object,o=s.geometry,l=null===i?s.material:i,h=s.group;a.layers.test(n.layers)&&Nt(a,e,n,o,l,h)}}function Nt(t,e,n,i,r,s){t.onBeforeRender(g,e,n,i,r,s),t.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,t.matrixWorld),t.normalMatrix.getNormalMatrix(t.modelViewMatrix),r.onBeforeRender(g,e,n,i,t,s),!0===r.transparent&&2===r.side?(r.side=1,r.needsUpdate=!0,g.renderBufferDirect(n,e,i,r,t,s),r.side=0,r.needsUpdate=!0,g.renderBufferDirect(n,e,i,r,t,s),r.side=2):g.renderBufferDirect(n,e,i,r,t,s),t.onAfterRender(g,e,n,i,r,s)}function Ft(t,e,n){!0!==e.isScene&&(e=q);const i=K.get(t),r=p.state.lights,s=p.state.shadowsArray,a=r.state.version,o=st.getParameters(t,r.state,s,e,n),l=st.getProgramCacheKey(o);let h=i.programs;i.environment=t.isMeshStandardMaterial?e.environment:null,i.fog=e.fog,i.envMap=(t.isMeshStandardMaterial?et:tt).get(t.envMap||i.environment),void 0===h&&(t.addEventListener("dispose",St),h=new Map,i.programs=h);let c=h.get(l);if(void 0!==c){if(i.currentProgram===c&&i.lightsStateVersion===a)return Ut(t,o),c}else o.uniforms=st.getUniforms(t),t.onBuild(n,o,g),t.onBeforeCompile(o,g),c=st.acquireProgram(o,l),h.set(l,c),i.uniforms=o.uniforms;const u=i.uniforms;(t.isShaderMaterial||t.isRawShaderMaterial)&&!0!==t.clipping||(u.clippingPlanes=ct.uniform),Ut(t,o),i.needsLights=function(t){return t.isMeshLambertMaterial||t.isMeshToonMaterial||t.isMeshPhongMaterial||t.isMeshStandardMaterial||t.isShadowMaterial||t.isShaderMaterial&&!0===t.lights}(t),i.lightsStateVersion=a,i.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotShadowMatrix.value=r.state.spotShadowMatrix,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix);const 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It(d,t,e);null!==b&&(Q.updateMultisampleRenderTarget(b),Q.updateRenderTargetMipmap(b)),!0===t.isScene&&t.onAfterRender(g,t,e),vt.resetDefaultState(),_=-1,w=null,f.pop(),p=f.length>0?f[f.length-1]:null,m.pop(),d=m.length>0?m[m.length-1]:null},this.getActiveCubeFace=function(){return y},this.getActiveMipmapLevel=function(){return x},this.getRenderTarget=function(){return b},this.setRenderTargetTextures=function(t,e,n){K.get(t.texture).__webglTexture=e,K.get(t.depthTexture).__webglTexture=n;const i=K.get(t);i.__hasExternalTextures=!0,i.__hasExternalTextures&&(i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===$.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(t,e){const n=K.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){b=t,y=e,x=n;let i=!0;if(t){const e=K.get(t);void 0!==e.__useDefaultFramebuffer?(Z.bindFramebuffer(36160,null),i=!1):void 0===e.__webglFramebuffer?Q.setupRenderTarget(t):e.__hasExternalTextures&&Q.rebindTextures(t,K.get(t.texture).__webglTexture,K.get(t.depthTexture).__webglTexture)}let r=null,s=!1,a=!1;if(t){const n=t.texture;(n.isData3DTexture||n.isDataArrayTexture)&&(a=!0);const i=K.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=i[e],s=!0):r=Y.isWebGL2&&t.samples>0&&!1===Q.useMultisampledRTT(t)?K.get(t).__webglMultisampledFramebuffer:i,M.copy(t.viewport),S.copy(t.scissor),T=t.scissorTest}else M.copy(P).multiplyScalar(R).floor(),S.copy(D).multiplyScalar(R).floor(),T=N;if(Z.bindFramebuffer(36160,r)&&Y.drawBuffers&&i&&Z.drawBuffers(t,r),Z.viewport(M),Z.scissor(S),Z.setScissorTest(T),s){const i=K.get(t.texture);yt.framebufferTexture2D(36160,36064,34069+e,i.__webglTexture,n)}else if(a){const i=K.get(t.texture),r=e||0;yt.framebufferTextureLayer(36160,36064,i.__webglTexture,n||0,r)}_=-1},this.readRenderTargetPixels=function(t,e,n,i,r,s,a){if(!t||!t.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=K.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==a&&(o=o[a]),o){Z.bindFramebuffer(36160,o);try{const a=t.texture,o=a.format,l=a.type;if(o!==z&&gt.convert(o)!==yt.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const h=l===k&&($.has("EXT_color_buffer_half_float")||Y.isWebGL2&&$.has("EXT_color_buffer_float"));if(!(l===O||gt.convert(l)===yt.getParameter(35738)||l===U&&(Y.isWebGL2||$.has("OES_texture_float")||$.has("WEBGL_color_buffer_float"))||h))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&yt.readPixels(e,n,i,r,gt.convert(o),gt.convert(l),s)}finally{const t=null!==b?K.get(b).__webglFramebuffer:null;Z.bindFramebuffer(36160,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){if(!0!==e.isFramebufferTexture)return void console.error("THREE.WebGLRenderer: copyFramebufferToTexture() can only be used with FramebufferTexture.");const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),s=Math.floor(e.image.height*i);Q.setTexture2D(e,0),yt.copyTexSubImage2D(3553,n,0,0,t.x,t.y,r,s),Z.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,s=e.image.height,a=gt.convert(n.format),o=gt.convert(n.type);Q.setTexture2D(n,0),yt.pixelStorei(37440,n.flipY),yt.pixelStorei(37441,n.premultiplyAlpha),yt.pixelStorei(3317,n.unpackAlignment),e.isDataTexture?yt.texSubImage2D(3553,i,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?yt.compressedTexSubImage2D(3553,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):yt.texSubImage2D(3553,i,t.x,t.y,a,o,e.image),0===i&&n.generateMipmaps&&yt.generateMipmap(3553),Z.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(g.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const s=t.max.x-t.min.x+1,a=t.max.y-t.min.y+1,o=t.max.z-t.min.z+1,l=gt.convert(i.format),h=gt.convert(i.type);let c;if(i.isData3DTexture)Q.setTexture3D(i,0),c=32879;else{if(!i.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");Q.setTexture2DArray(i,0),c=35866}yt.pixelStorei(37440,i.flipY),yt.pixelStorei(37441,i.premultiplyAlpha),yt.pixelStorei(3317,i.unpackAlignment);const u=yt.getParameter(3314),d=yt.getParameter(32878),p=yt.getParameter(3316),m=yt.getParameter(3315),f=yt.getParameter(32877),v=n.isCompressedTexture?n.mipmaps[0]:n.image;yt.pixelStorei(3314,v.width),yt.pixelStorei(32878,v.height),yt.pixelStorei(3316,t.min.x),yt.pixelStorei(3315,t.min.y),yt.pixelStorei(32877,t.min.z),n.isDataTexture||n.isData3DTexture?yt.texSubImage3D(c,r,e.x,e.y,e.z,s,a,o,l,h,v.data):n.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),yt.compressedTexSubImage3D(c,r,e.x,e.y,e.z,s,a,o,l,v.data)):yt.texSubImage3D(c,r,e.x,e.y,e.z,s,a,o,l,h,v),yt.pixelStorei(3314,u),yt.pixelStorei(32878,d),yt.pixelStorei(3316,p),yt.pixelStorei(3315,m),yt.pixelStorei(32877,f),0===r&&i.generateMipmaps&&yt.generateMipmap(c),Z.unbindTexture()},this.initTexture=function(t){Q.setTexture2D(t,0),Z.unbindTexture()},this.resetState=function(){y=0,x=0,b=null,Z.reset(),vt.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}qs.prototype.isWebGLRenderer=!0,class extends qs{}.prototype.isWebGL1Renderer=!0;class Xs extends nn{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.autoUpdate=t.autoUpdate,this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),e}}Xs.prototype.isScene=!0;class $s{constructor(t,e){this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=ut,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=bt()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;i<r;i++)this.array[t+i]=e.array[n+i];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=bt()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(e,this.stride);return n.setUsage(this.usage),n}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=bt()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.prototype.slice.call(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}$s.prototype.isInterleavedBuffer=!0;const Ys=new te;class Zs{constructor(t,e,n,i=!1){this.name="",this.data=t,this.itemSize=e,this.offset=n,this.normalized=!0===i}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,n=this.data.count;e<n;e++)Ys.fromBufferAttribute(this,e),Ys.applyMatrix4(t),this.setXYZ(e,Ys.x,Ys.y,Ys.z);return this}applyNormalMatrix(t){for(let e=0,n=this.count;e<n;e++)Ys.fromBufferAttribute(this,e),Ys.applyNormalMatrix(t),this.setXYZ(e,Ys.x,Ys.y,Ys.z);return this}transformDirection(t){for(let e=0,n=this.count;e<n;e++)Ys.fromBufferAttribute(this,e),Ys.transformDirection(t),this.setXYZ(e,Ys.x,Ys.y,Ys.z);return this}setX(t,e){return this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){return this.data.array[t*this.data.stride+this.offset]}getY(t){return this.data.array[t*this.data.stride+this.offset+1]}getZ(t){return this.data.array[t*this.data.stride+this.offset+2]}getW(t){return this.data.array[t*this.data.stride+this.offset+3]}setXY(t,e,n){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this}setXYZ(t,e,n,i){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this}setXYZW(t,e,n,i,r){return t=t*this.data.stride+this.offset,this.data.array[t+0]=e,this.data.array[t+1]=n,this.data.array[t+2]=i,this.data.array[t+3]=r,this}clone(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interlaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return new bn(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new Zs(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interlaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const n=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[n+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}Zs.prototype.isInterleavedBufferAttribute=!0;class Js extends gn{constructor(t){super(),this.type="SpriteMaterial",this.color=new Vt(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this}}let Ks;Js.prototype.isSpriteMaterial=!0;const Qs=new te,ta=new te,ea=new te,na=new Rt,ia=new Rt,ra=new Pe,sa=new te,aa=new te,oa=new te,la=new Rt,ha=new Rt,ca=new Rt;function ua(t,e,n,i,r,s){na.subVectors(t,n).addScalar(.5).multiply(i),void 0!==r?(ia.x=s*na.x-r*na.y,ia.y=r*na.x+s*na.y):ia.copy(na),t.copy(e),t.x+=ia.x,t.y+=ia.y,t.applyMatrix4(ra)}(class extends nn{constructor(t){if(super(),this.type="Sprite",void 0===Ks){Ks=new Pn;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new $s(t,5);Ks.setIndex([0,1,2,0,2,3]),Ks.setAttribute("position",new Zs(e,3,0,!1)),Ks.setAttribute("uv",new Zs(e,2,3,!1))}this.geometry=Ks,this.material=void 0!==t?t:new Js,this.center=new Rt(.5,.5)}raycast(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),ta.setFromMatrixScale(this.matrixWorld),ra.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),ea.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&ta.multiplyScalar(-ea.z);const n=this.material.rotation;let i,r;0!==n&&(r=Math.cos(n),i=Math.sin(n));const s=this.center;ua(sa.set(-.5,-.5,0),ea,s,ta,i,r),ua(aa.set(.5,-.5,0),ea,s,ta,i,r),ua(oa.set(.5,.5,0),ea,s,ta,i,r),la.set(0,0),ha.set(1,0),ca.set(1,1);let a=t.ray.intersectTriangle(sa,aa,oa,!1,Qs);if(null===a&&(ua(aa.set(-.5,.5,0),ea,s,ta,i,r),ha.set(0,1),a=t.ray.intersectTriangle(sa,oa,aa,!1,Qs),null===a))return;const o=t.ray.origin.distanceTo(Qs);o<t.near||o>t.far||e.push({distance:o,point:Qs.clone(),uv:mn.getUV(Qs,sa,aa,oa,la,ha,ca,new Rt),face:null,object:this})}copy(t){return super.copy(t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}).prototype.isSprite=!0;const da=new te,pa=new Yt,ma=new Yt,fa=new te,ga=new Pe;class va extends Yn{constructor(t,e){super(t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Pe,this.bindMatrixInverse=new Pe}copy(t){return super.copy(t),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new Yt,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;n<i;n++){t.fromBufferAttribute(e,n);const i=1/t.manhattanLength();i!==1/0?t.multiplyScalar(i):t.set(1,0,0,0),e.setXYZW(n,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(t,e){const n=this.skeleton,i=this.geometry;pa.fromBufferAttribute(i.attributes.skinIndex,t),ma.fromBufferAttribute(i.attributes.skinWeight,t),da.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const i=ma.getComponent(t);if(0!==i){const r=pa.getComponent(t);ga.multiplyMatrices(n.bones[r].matrixWorld,n.boneInverses[r]),e.addScaledVector(fa.copy(da).applyMatrix4(ga),i)}}return e.applyMatrix4(this.bindMatrixInverse)}}va.prototype.isSkinnedMesh=!0;class ya extends nn{constructor(){super(),this.type="Bone"}}ya.prototype.isBone=!0;class xa extends $t{constructor(t=null,e=1,n=1,i,r,s,a,o,l=1003,h=1003,c,u){super(null,s,a,o,l,h,i,r,c,u),this.image={data:t,width:e,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}xa.prototype.isDataTexture=!0;const ba=new Pe,_a=new Pe;class wa{constructor(t=[],e=[]){this.uuid=bt(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Pe)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Pe;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let i=0,r=t.length;i<r;i++){const r=t[i]?t[i].matrixWorld:_a;ba.multiplyMatrices(r,e[i]),ba.toArray(n,16*i)}null!==i&&(i.needsUpdate=!0)}clone(){return new wa(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=Tt(t),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const n=new xa(e,t,t,z,U);return n.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=n,this.boneTextureSize=t,this}getBoneByName(t){for(let e=0,n=this.bones.length;e<n;e++){const n=this.bones[e];if(n.name===t)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let n=0,i=t.bones.length;n<i;n++){const i=t.bones[n];let r=e[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new ya),this.bones.push(r),this.boneInverses.push((new Pe).fromArray(t.boneInverses[n]))}return this.init(),this}toJSON(){const t={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,n=this.boneInverses;for(let i=0,r=e.length;i<r;i++){const r=e[i];t.bones.push(r.uuid);const s=n[i];t.boneInverses.push(s.toArray())}return t}}class Ma extends bn{constructor(t,e,n,i=1){"number"==typeof n&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),super(t,e,n),this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}Ma.prototype.isInstancedBufferAttribute=!0;const Sa=new Pe,Ta=new Pe,Ea=[],Aa=new Yn;(class extends Yn{constructor(t,e,n){super(t,e),this.instanceMatrix=new Ma(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.frustumCulled=!1}copy(t){return super.copy(t),this.instanceMatrix.copy(t.instanceMatrix),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}raycast(t,e){const n=this.matrixWorld,i=this.count;if(Aa.geometry=this.geometry,Aa.material=this.material,void 0!==Aa.material)for(let r=0;r<i;r++){this.getMatrixAt(r,Sa),Ta.multiplyMatrices(n,Sa),Aa.matrixWorld=Ta,Aa.raycast(t,Ea);for(let t=0,n=Ea.length;t<n;t++){const n=Ea[t];n.instanceId=r,n.object=this,e.push(n)}Ea.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new Ma(new Float32Array(3*this.instanceMatrix.count),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}).prototype.isInstancedMesh=!0;class Ra extends gn{constructor(t){super(),this.type="LineBasicMaterial",this.color=new Vt(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this}}Ra.prototype.isLineBasicMaterial=!0;const Ca=new te,La=new te,Pa=new Pe,Da=new Le,Ia=new we;class Oa extends nn{constructor(t=new Pn,e=new Ra){super(),this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t){return super.copy(t),this.material=t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[0];for(let t=1,i=e.count;t<i;t++)Ca.fromBufferAttribute(e,t-1),La.fromBufferAttribute(e,t),n[t]=n[t-1],n[t]+=Ca.distanceTo(La);t.setAttribute("lineDistance",new Mn(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.Line.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Line.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Ia.copy(n.boundingSphere),Ia.applyMatrix4(i),Ia.radius+=r,!1===t.ray.intersectsSphere(Ia))return;Pa.copy(i).invert(),Da.copy(t.ray).applyMatrix4(Pa);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=new te,h=new te,c=new te,u=new te,d=this.isLineSegments?2:1;if(n.isBufferGeometry){const i=n.index,r=n.attributes.position;if(null!==i)for(let n=Math.max(0,s.start),a=Math.min(i.count,s.start+s.count)-1;n<a;n+=d){const s=i.getX(n),a=i.getX(n+1);if(l.fromBufferAttribute(r,s),h.fromBufferAttribute(r,a),Da.distanceSqToSegment(l,h,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const d=t.ray.origin.distanceTo(u);d<t.near||d>t.far||e.push({distance:d,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}else for(let n=Math.max(0,s.start),i=Math.min(r.count,s.start+s.count)-1;n<i;n+=d){if(l.fromBufferAttribute(r,n),h.fromBufferAttribute(r,n+1),Da.distanceSqToSegment(l,h,u,c)>o)continue;u.applyMatrix4(this.matrixWorld);const i=t.ray.origin.distanceTo(u);i<t.near||i>t.far||e.push({distance:i,point:c.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}Oa.prototype.isLine=!0;const Na=new te,Fa=new te;class Ua extends Oa{constructor(t,e){super(t,e),this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t<i;t+=2)Na.fromBufferAttribute(e,t),Fa.fromBufferAttribute(e,t+1),n[t]=0===t?0:n[t-1],n[t+1]=n[t]+Na.distanceTo(Fa);t.setAttribute("lineDistance",new Mn(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");else t.isGeometry&&console.error("THREE.LineSegments.computeLineDistances() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.");return this}}Ua.prototype.isLineSegments=!0;class ka extends Oa{constructor(t,e){super(t,e),this.type="LineLoop"}}ka.prototype.isLineLoop=!0;class Ba extends gn{constructor(t){super(),this.type="PointsMaterial",this.color=new Vt(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this}}Ba.prototype.isPointsMaterial=!0;const za=new Pe,Ha=new Le,Va=new we,Ga=new te;class Wa extends nn{constructor(t=new Pn,e=new Ba){super(),this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t){return super.copy(t),this.material=t.material,this.geometry=t.geometry,this}raycast(t,e){const n=this.geometry,i=this.matrixWorld,r=t.params.Points.threshold,s=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Va.copy(n.boundingSphere),Va.applyMatrix4(i),Va.radius+=r,!1===t.ray.intersectsSphere(Va))return;za.copy(i).invert(),Ha.copy(t.ray).applyMatrix4(za);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position;if(null!==r)for(let n=Math.max(0,s.start),l=Math.min(r.count,s.start+s.count);n<l;n++){const s=r.getX(n);Ga.fromBufferAttribute(a,s),ja(Ga,s,o,i,t,e,this)}else for(let n=Math.max(0,s.start),r=Math.min(a.count,s.start+s.count);n<r;n++)Ga.fromBufferAttribute(a,n),ja(Ga,n,o,i,t,e,this)}else console.error("THREE.Points.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e<n;e++){const n=t[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=e}}}}else{const e=t.morphTargets;void 0!==e&&e.length>0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}function ja(t,e,n,i,r,s,a){const o=Ha.distanceSqToPoint(t);if(o<n){const n=new te;Ha.closestPointToPoint(t,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}Wa.prototype.isPoints=!0,class extends $t{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.minFilter=void 0!==s?s:P,this.magFilter=void 0!==r?r:P,this.generateMipmaps=!1;const h=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){h.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1=="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}.prototype.isVideoTexture=!0,class extends $t{constructor(t,e,n){super({width:t,height:e}),this.format=n,this.magFilter=R,this.minFilter=R,this.generateMipmaps=!1,this.needsUpdate=!0}}.prototype.isFramebufferTexture=!0;class qa extends $t{constructor(t,e,n,i,r,s,a,o,l,h,c,u){super(null,s,a,o,l,h,i,r,c,u),this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}qa.prototype.isCompressedTexture=!0,class extends $t{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.needsUpdate=!0}}.prototype.isCanvasTexture=!0;class Xa{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const h=n[i];return(i+(s-h)/(n[i+1]-h))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new Rt:new te);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new te,i=[],r=[],s=[],a=new te,o=new Pe;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new te)}r[0]=new te,s[0]=new te;let l=Number.MAX_VALUE;const h=Math.abs(i[0].x),c=Math.abs(i[0].y),u=Math.abs(i[0].z);h<=l&&(l=h,n.set(1,0,0)),c<=l&&(l=c,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(_t(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(_t(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class $a extends Xa{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const n=e||new Rt,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=i;for(;r>i;)r-=i;r<Number.EPSILON&&(r=s?0:i),!0!==this.aClockwise||s||(r===i?r=-i:r-=i);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),n=o-this.aX,i=l-this.aY;o=n*t-i*e+this.aX,l=n*e+i*t+this.aY}return n.set(o,l)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}$a.prototype.isEllipseCurve=!0;class Ya extends $a{constructor(t,e,n,i,r,s){super(t,e,n,n,i,r,s),this.type="ArcCurve"}}function Za(){let t=0,e=0,n=0,i=0;function r(r,s,a,o){t=r,e=a,n=-3*r+3*s-2*a-o,i=2*r-2*s+a+o}return{initCatmullRom:function(t,e,n,i,s){r(e,n,s*(n-t),s*(i-e))},initNonuniformCatmullRom:function(t,e,n,i,s,a,o){let l=(e-t)/s-(n-t)/(s+a)+(n-e)/a,h=(n-e)/a-(i-e)/(a+o)+(i-n)/o;l*=a,h*=a,r(e,n,l,h)},calc:function(r){const s=r*r;return t+e*r+n*s+i*(s*r)}}}Ya.prototype.isArcCurve=!0;const Ja=new te,Ka=new Za,Qa=new Za,to=new Za;class eo extends Xa{constructor(t=[],e=!1,n="centripetal",i=.5){super(),this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=n,this.tension=i}getPoint(t,e=new te){const n=e,i=this.points,r=i.length,s=(r-(this.closed?0:1))*t;let a,o,l=Math.floor(s),h=s-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===h&&l===r-1&&(l=r-2,h=1),this.closed||l>0?a=i[(l-1)%r]:(Ja.subVectors(i[0],i[1]).add(i[0]),a=Ja);const c=i[l%r],u=i[(l+1)%r];if(this.closed||l+2<r?o=i[(l+2)%r]:(Ja.subVectors(i[r-1],i[r-2]).add(i[r-1]),o=Ja),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(c),t),n=Math.pow(c.distanceToSquared(u),t),i=Math.pow(u.distanceToSquared(o),t);n<1e-4&&(n=1),e<1e-4&&(e=n),i<1e-4&&(i=n),Ka.initNonuniformCatmullRom(a.x,c.x,u.x,o.x,e,n,i),Qa.initNonuniformCatmullRom(a.y,c.y,u.y,o.y,e,n,i),to.initNonuniformCatmullRom(a.z,c.z,u.z,o.z,e,n,i)}else"catmullrom"===this.curveType&&(Ka.initCatmullRom(a.x,c.x,u.x,o.x,this.tension),Qa.initCatmullRom(a.y,c.y,u.y,o.y,this.tension),to.initCatmullRom(a.z,c.z,u.z,o.z,this.tension));return n.set(Ka.calc(h),Qa.calc(h),to.calc(h)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new te).fromArray(n))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function no(t,e,n,i,r){const s=.5*(i-e),a=.5*(r-n),o=t*t;return(2*n-2*i+s+a)*(t*o)+(-3*n+3*i-2*s-a)*o+s*t+n}function io(t,e,n,i){return function(t,e){const n=1-t;return n*n*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,n)+function(t,e){return t*t*e}(t,i)}function ro(t,e,n,i,r){return function(t,e){const n=1-t;return n*n*n*e}(t,e)+function(t,e){const n=1-t;return 3*n*n*t*e}(t,n)+function(t,e){return 3*(1-t)*t*t*e}(t,i)+function(t,e){return t*t*t*e}(t,r)}eo.prototype.isCatmullRomCurve3=!0;class so extends Xa{constructor(t=new Rt,e=new Rt,n=new Rt,i=new Rt){super(),this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new Rt){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(ro(t,i.x,r.x,s.x,a.x),ro(t,i.y,r.y,s.y,a.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}so.prototype.isCubicBezierCurve=!0;class ao extends Xa{constructor(t=new te,e=new te,n=new te,i=new te){super(),this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=n,this.v3=i}getPoint(t,e=new te){const n=e,i=this.v0,r=this.v1,s=this.v2,a=this.v3;return n.set(ro(t,i.x,r.x,s.x,a.x),ro(t,i.y,r.y,s.y,a.y),ro(t,i.z,r.z,s.z,a.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}ao.prototype.isCubicBezierCurve3=!0;class oo extends Xa{constructor(t=new Rt,e=new Rt){super(),this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new Rt){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e){const n=e||new Rt;return n.copy(this.v2).sub(this.v1).normalize(),n}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}oo.prototype.isLineCurve=!0;class lo extends Xa{constructor(t=new Rt,e=new Rt,n=new Rt){super(),this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new Rt){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(io(t,i.x,r.x,s.x),io(t,i.y,r.y,s.y)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}lo.prototype.isQuadraticBezierCurve=!0;class ho extends Xa{constructor(t=new te,e=new te,n=new te){super(),this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=n}getPoint(t,e=new te){const n=e,i=this.v0,r=this.v1,s=this.v2;return n.set(io(t,i.x,r.x,s.x),io(t,i.y,r.y,s.y),io(t,i.z,r.z,s.z)),n}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}ho.prototype.isQuadraticBezierCurve3=!0;class co extends Xa{constructor(t=[]){super(),this.type="SplineCurve",this.points=t}getPoint(t,e=new Rt){const n=e,i=this.points,r=(i.length-1)*t,s=Math.floor(r),a=r-s,o=i[0===s?s:s-1],l=i[s],h=i[s>i.length-2?i.length-1:s+1],c=i[s>i.length-3?i.length-1:s+2];return n.set(no(a,o.x,l.x,h.x,c.x),no(a,o.y,l.y,h.y,c.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,n=this.points.length;e<n;e++){const n=this.points[e];t.points.push(n.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,n=t.points.length;e<n;e++){const n=t.points[e];this.points.push((new Rt).fromArray(n))}return this}}co.prototype.isSplineCurve=!0;var uo=Object.freeze({__proto__:null,ArcCurve:Ya,CatmullRomCurve3:eo,CubicBezierCurve:so,CubicBezierCurve3:ao,EllipseCurve:$a,LineCurve:oo,LineCurve3:class extends Xa{constructor(t=new te,e=new te){super(),this.type="LineCurve3",this.isLineCurve3=!0,this.v1=t,this.v2=e}getPoint(t,e=new te){const n=e;return 1===t?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(t).add(this.v1)),n}getPointAt(t,e){return this.getPoint(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}},QuadraticBezierCurve:lo,QuadraticBezierCurve3:ho,SplineCurve:co});class po extends Xa{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);t.equals(e)||this.curves.push(new oo(e,t))}getPoint(t,e){const n=t*this.getLength(),i=this.getCurveLengths();let r=0;for(;r<i.length;){if(i[r]>=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n<i;n++)e+=this.curves[n].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let n;for(let i=0,r=this.curves;i<r.length;i++){const s=r[i],a=s.isEllipseCurve?2*t:s.isLineCurve||s.isLineCurve3?1:s.isSplineCurve?t*s.points.length:t,o=s.getPoints(a);for(let t=0;t<o.length;t++){const i=o[t];n&&n.equals(i)||(e.push(i),n=i)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push(n.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,n=this.curves.length;e<n;e++){const n=this.curves[e];t.curves.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,n=t.curves.length;e<n;e++){const n=t.curves[e];this.curves.push((new uo[n.type]).fromJSON(n))}return this}}class mo extends po{constructor(t){super(),this.type="Path",this.currentPoint=new Rt,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,n=t.length;e<n;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const n=new oo(this.currentPoint.clone(),new Rt(t,e));return this.curves.push(n),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,n,i){const r=new lo(this.currentPoint.clone(),new Rt(t,e),new Rt(n,i));return this.curves.push(r),this.currentPoint.set(n,i),this}bezierCurveTo(t,e,n,i,r,s){const a=new so(this.currentPoint.clone(),new Rt(t,e),new Rt(n,i),new Rt(r,s));return this.curves.push(a),this.currentPoint.set(r,s),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),n=new co(e);return this.curves.push(n),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,n,i,r,s){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,n,i,r,s),this}absarc(t,e,n,i,r,s){return this.absellipse(t,e,n,n,i,r,s),this}ellipse(t,e,n,i,r,s,a,o){const l=this.currentPoint.x,h=this.currentPoint.y;return this.absellipse(t+l,e+h,n,i,r,s,a,o),this}absellipse(t,e,n,i,r,s,a,o){const l=new $a(t,e,n,i,r,s,a,o);if(this.curves.length>0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const h=l.getPoint(1);return this.currentPoint.copy(h),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}new te,new te,new te,new mn;class fo extends mo{constructor(t){super(t),this.uuid=bt(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let n=0,i=this.holes.length;n<i;n++)e[n]=this.holes[n].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push(n.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,n=this.holes.length;e<n;e++){const n=this.holes[e];t.holes.push(n.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,n=t.holes.length;e<n;e++){const n=t.holes[e];this.holes.push((new mo).fromJSON(n))}return this}}function go(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s<n;s+=i)r+=(t[a]-t[s])*(t[s+1]+t[a+1]),a=s;return r}(t,e,n,i)>0)for(s=e;s<n;s+=i)a=Uo(s,t[s],t[s+1],a);else for(s=n-i;s>=e;s-=i)a=Uo(s,t[s],t[s+1],a);return a&&Po(a,a.next)&&(ko(a),a=a.next),a}function vo(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Po(i,i.next)&&0!==Lo(i.prev,i,i.next))i=i.next;else{if(ko(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function yo(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{null===r.z&&(r.z=Eo(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let 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e=T[t];k(e[2],e[1],e[0])}for(let t=0;t<C;t++){const e=T[t];k(e[0]+R*o,e[1]+R*o,e[2]+R*o)}}n.addGroup(t,i.length/3-t,0)}(),function(){const t=i.length/3;let e=0;F(E,e),e+=E.length;for(let t=0,n=S.length;t<n;t++){const n=S[t];F(n,e),e+=n.length}n.addGroup(t,i.length/3-t,1)}()}this.setAttribute("position",new Mn(i,3)),this.setAttribute("uv",new Mn(r,2)),this.computeVertexNormals()}toJSON(){const t=super.toJSON();return function(t,e,n){if(n.shapes=[],Array.isArray(t))for(let e=0,i=t.length;e<i;e++){const i=t[e];n.shapes.push(i.uuid)}else n.shapes.push(t.uuid);return void 0!==e.extrudePath&&(n.options.extrudePath=e.extrudePath.toJSON()),n}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}const i=t.options.extrudePath;return void 0!==i&&(t.options.extrudePath=(new uo[i.type]).fromJSON(i)),new Go(n,t.options)}}const Wo={generateTopUV:function(t,e,n,i,r){const 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t=0,e=c.length;t<e;t++){const e=c[t];h=h.concat(e)}for(let t=0,e=h.length;t<e;t++){const e=h[t];i.push(e.x,e.y,0),r.push(0,0,1),s.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],i=e[0]+a,r=e[1]+a,s=e[2]+a;n.push(i,r,s),o+=3}}this.setIndex(n),this.setAttribute("position",new Mn(i,3)),this.setAttribute("normal",new Mn(r,3)),this.setAttribute("uv",new Mn(s,2))}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let n=0,i=t.length;n<i;n++){const i=t[n];e.shapes.push(i.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const n=[];for(let i=0,r=t.shapes.length;i<r;i++){const r=e[t.shapes[i]];n.push(r)}return new jo(n,t.curveSegments)}}class qo extends gn{constructor(t){super(),this.type="ShadowMaterial",this.color=new Vt(0),this.transparent=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this}}qo.prototype.isShadowMaterial=!0;class Xo extends ei{constructor(t){super(t),this.type="RawShaderMaterial"}}Xo.prototype.isRawShaderMaterial=!0;class $o extends gn{constructor(t){super(),this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new Vt(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Vt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Rt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this}}$o.prototype.isMeshStandardMaterial=!0;class Yo extends $o{constructor(t){super(),this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new Rt(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return _t(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.sheenColor=new Vt(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=0,this.attenuationColor=new Vt(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Vt(1,1,1),this.specularColorMap=null,this._sheen=0,this._clearcoat=0,this._transmission=0,this.setValues(t)}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.ior=t.ior,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}Yo.prototype.isMeshPhysicalMaterial=!0;class Zo extends gn{constructor(t){super(),this.type="MeshPhongMaterial",this.color=new Vt(16777215),this.specular=new Vt(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Vt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Rt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this}}Zo.prototype.isMeshPhongMaterial=!0;class Jo extends gn{constructor(t){super(),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Vt(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Vt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Rt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}Jo.prototype.isMeshToonMaterial=!0;class Ko extends gn{constructor(t){super(),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Rt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}Ko.prototype.isMeshNormalMaterial=!0;class Qo extends gn{constructor(t){super(),this.type="MeshLambertMaterial",this.color=new Vt(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Vt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}Qo.prototype.isMeshLambertMaterial=!0;class tl extends gn{constructor(t){super(),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Vt(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Rt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this}}tl.prototype.isMeshMatcapMaterial=!0;class el extends Ra{constructor(t){super(),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}el.prototype.isLineDashedMaterial=!0;const nl={ShadowMaterial:qo,SpriteMaterial:Js,RawShaderMaterial:Xo,ShaderMaterial:ei,PointsMaterial:Ba,MeshPhysicalMaterial:Yo,MeshStandardMaterial:$o,MeshPhongMaterial:Zo,MeshToonMaterial:Jo,MeshNormalMaterial:Ko,MeshLambertMaterial:Qo,MeshDepthMaterial:Is,MeshDistanceMaterial:Os,MeshBasicMaterial:vn,MeshMatcapMaterial:tl,LineDashedMaterial:el,LineBasicMaterial:Ra,Material:gn};gn.fromType=function(t){return new nl[t]};const il={arraySlice:function(t,e,n){return il.isTypedArray(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)},convertArray:function(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)},isTypedArray:function(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)},getKeyframeOrder:function(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n},sortedArray:function(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r},flattenJSON:function(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)},subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t<s.tracks.length;++t){const e=s.tracks[t],o=e.getValueSize(),l=[],h=[];for(let t=0;t<e.times.length;++t){const s=e.times[t]*r;if(!(s<n||s>=i)){l.push(e.times[t]);for(let n=0;n<o;++n)h.push(e.values[t*o+n])}}0!==l.length&&(e.times=il.convertArray(l,e.times.constructor),e.values=il.convertArray(h,e.values.constructor),a.push(e))}s.tracks=a;let o=1/0;for(let t=0;t<s.tracks.length;++t)o>s.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t<s.tracks.length;++t)s.tracks[t].shift(-1*o);return s.resetDuration(),s},makeClipAdditive:function(t,e=0,n=t,i=30){i<=0&&(i=30);const r=n.tracks.length,s=e/i;for(let e=0;e<r;++e){const i=n.tracks[e],r=i.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find((function(t){return t.name===i.name&&t.ValueTypeName===r}));if(void 0===a)continue;let o=0;const l=i.getValueSize();i.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=l/3);let h=0;const c=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(h=c/3);const u=i.times.length-1;let d;if(s<=i.times[0]){const t=o,e=l-o;d=il.arraySlice(i.values,t,e)}else if(s>=i.times[u]){const t=u*l+o,e=t+l-o;d=il.arraySlice(i.values,t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=il.arraySlice(t.resultBuffer,e,n)}"quaternion"===r&&(new Qt).fromArray(d).normalize().conjugate().toArray(d);const p=a.times.length;for(let t=0;t<p;++t){const e=t*c+h;if("quaternion"===r)Qt.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=c-2*h;for(let n=0;n<t;++n)a.values[e+n]-=d[n]}}}return t.blendMode=2501,t}};class rl{constructor(t,e,n,i){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new e.constructor(n),this.sampleValues=e,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let n=this._cachedIndex,i=e[n],r=e[n-1];t:{e:{let s;n:{i:if(!(t<i)){for(let s=n+2;;){if(void 0===i){if(t<r)break i;return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,t,r)}if(n===s)break;if(r=i,i=e[++n],t<i)break e}s=e.length;break n}if(t>=r)break t;{const a=e[1];t<a&&(n=2,r=a);for(let s=n-2;;){if(void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(n===s)break;if(i=r,r=e[--n-1],t>=r)break e}s=n,n=0}}for(;n<s;){const i=n+s>>>1;t<e[i]?s=i:n=i+1}if(i=e[n],r=e[n-1],void 0===r)return this._cachedIndex=0,this.beforeStart_(0,t,i);if(void 0===i)return n=e.length,this._cachedIndex=n,this.afterEnd_(n-1,r,t)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,t,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i;for(let t=0;t!==i;++t)e[t]=n[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}rl.prototype.beforeStart_=rl.prototype.copySampleValue_,rl.prototype.afterEnd_=rl.prototype.copySampleValue_;class sl extends rl{constructor(t,e,n,i){super(t,e,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:it,endingEnd:it}}intervalChanged_(t,e,n){const i=this.parameterPositions;let r=t-2,s=t+1,a=i[r],o=i[s];if(void 0===a)switch(this.getSettings_().endingStart){case rt:r=t,a=2*e-n;break;case st:r=i.length-2,a=e+i[r]-i[r+1];break;default:r=t,a=n}if(void 0===o)switch(this.getSettings_().endingEnd){case rt:s=t,o=2*n-e;break;case st:s=1,o=n+i[1]-i[0];break;default:s=t-1,o=e}const l=.5*(n-e),h=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-n),this._offsetPrev=r*h,this._offsetNext=s*h}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,h=this._offsetPrev,c=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(n-e)/(i-e),m=p*p,f=m*p,g=-u*f+2*u*m-u*p,v=(1+u)*f+(-1.5-2*u)*m+(-.5+u)*p+1,y=(-1-d)*f+(1.5+d)*m+.5*p,x=d*f-d*m;for(let t=0;t!==a;++t)r[t]=g*s[h+t]+v*s[l+t]+y*s[o+t]+x*s[c+t];return r}}class al extends rl{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,h=(n-e)/(i-e),c=1-h;for(let t=0;t!==a;++t)r[t]=s[l+t]*c+s[o+t]*h;return r}}class ol extends rl{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t){return this.copySampleValue_(t-1)}}class ll{constructor(t,e,n,i){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=il.convertArray(e,this.TimeBufferType),this.values=il.convertArray(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let n;if(e.toJSON!==this.toJSON)n=e.toJSON(t);else{n={name:t.name,times:il.convertArray(t.times,Array),values:il.convertArray(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(n.interpolation=e)}return n.type=t.ValueTypeName,n}InterpolantFactoryMethodDiscrete(t){return new ol(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new al(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new sl(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case tt:e=this.InterpolantFactoryMethodDiscrete;break;case et:e=this.InterpolantFactoryMethodLinear;break;case nt:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return tt;case this.InterpolantFactoryMethodLinear:return et;case this.InterpolantFactoryMethodSmooth:return nt}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let n=0,i=e.length;n!==i;++n)e[n]*=t}return this}trim(t,e){const n=this.times,i=n.length;let r=0,s=i-1;for(;r!==i&&n[r]<t;)++r;for(;-1!==s&&n[s]>e;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=il.arraySlice(n,r,s),this.values=il.arraySlice(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&il.isTypedArray(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=il.arraySlice(this.times),e=il.arraySlice(this.values),n=this.getValueSize(),i=this.getInterpolation()===nt,r=t.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(i)r=!0;else{const t=a*n,i=t-n,s=t+n;for(let a=0;a!==n;++a){const n=e[t+a];if(n!==e[i+a]||n!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const i=a*n,r=s*n;for(let t=0;t!==n;++t)e[r+t]=e[i+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=il.arraySlice(t,0,s),this.values=il.arraySlice(e,0,s*n)):(this.times=t,this.values=e),this}clone(){const t=il.arraySlice(this.times,0),e=il.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}ll.prototype.TimeBufferType=Float32Array,ll.prototype.ValueBufferType=Float32Array,ll.prototype.DefaultInterpolation=et;class hl extends ll{}hl.prototype.ValueTypeName="bool",hl.prototype.ValueBufferType=Array,hl.prototype.DefaultInterpolation=tt,hl.prototype.InterpolantFactoryMethodLinear=void 0,hl.prototype.InterpolantFactoryMethodSmooth=void 0;class cl extends ll{}cl.prototype.ValueTypeName="color";class ul extends ll{}ul.prototype.ValueTypeName="number";class dl extends rl{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)Qt.slerpFlat(r,0,s,l-a,s,l,o);return r}}class pl extends ll{InterpolantFactoryMethodLinear(t){return new dl(this.times,this.values,this.getValueSize(),t)}}pl.prototype.ValueTypeName="quaternion",pl.prototype.DefaultInterpolation=et,pl.prototype.InterpolantFactoryMethodSmooth=void 0;class ml extends ll{}ml.prototype.ValueTypeName="string",ml.prototype.ValueBufferType=Array,ml.prototype.DefaultInterpolation=tt,ml.prototype.InterpolantFactoryMethodLinear=void 0,ml.prototype.InterpolantFactoryMethodSmooth=void 0;class fl extends ll{}fl.prototype.ValueTypeName="vector";class gl{constructor(t,e=-1,n,i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=bt(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(vl(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(ll.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const l=il.getKeyframeOrder(a);a=il.sortedArray(a,1,l),o=il.sortedArray(o,1,l),i||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new ul(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/n))}return new this(t,-1,s)}static findByName(t,e){let n=t;if(!Array.isArray(t)){const e=t;n=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<n.length;t++)if(n[t].name===e)return n[t];return null}static CreateClipsFromMorphTargetSequences(t,e,n){const i={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,n=t.length;e<n;e++){const n=t[e],s=n.name.match(r);if(s&&s.length>1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];il.flattenJSON(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let n=0;n<r[e].morphTargets.length;n++)t[r[e].morphTargets[n]]=-1;for(const n in t){const t=[],s=[];for(let i=0;i!==r[e].morphTargets.length;++i){const i=r[e];t.push(i.time),s.push(i.morphTarget===n?1:0)}i.push(new ul(".morphTargetInfluence["+n+"]",t,s))}o=t.length*s}else{const s=".bones["+e[t].name+"]";n(fl,s+".position",r,"pos",i),n(pl,s+".quaternion",r,"rot",i),n(fl,s+".scale",r,"scl",i)}}return 0===i.length?null:new this(r,o,i,a)}resetDuration(){let t=0;for(let e=0,n=this.tracks.length;e!==n;++e){const n=this.tracks[e];t=Math.max(t,n.times[n.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function vl(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return ul;case"vector":case"vector2":case"vector3":case"vector4":return fl;case"color":return cl;case"quaternion":return pl;case"bool":case"boolean":return hl;case"string":return ml}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],n=[];il.flattenJSON(t.keys,e,n,"value"),t.times=e,t.values=n}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const yl={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}},xl=new class{constructor(t,e,n){const i=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=n,this.itemStart=function(t){o++,!1===s&&void 0!==i.onStart&&i.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==i.onProgress&&i.onProgress(t,a,o),a===o&&(s=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(t){void 0!==i.onError&&i.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,n=l.length;e<n;e+=2){const n=l[e],i=l[e+1];if(n.global&&(n.lastIndex=0),n.test(t))return i}return null}}};class bl{constructor(t){this.manager=void 0!==t?t:xl,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(t,e){const n=this;return new Promise((function(i,r){n.load(t,i,e,r)}))}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}}const _l={};class wl extends bl{constructor(t){super(t)}load(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=yl.get(t);if(void 0!==r)return this.manager.itemStart(t),setTimeout((()=>{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==_l[t])return void _l[t].push({onLoad:e,onProgress:n,onError:i});_l[t]=[],_l[t].push({onLoad:e,onProgress:n,onError:i});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const n=_l[t],i=e.body.getReader(),r=e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){i.read().then((({done:i,value:r})=>{if(i)t.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=n.length;t<e;t++){const e=n[t];e.onProgress&&e.onProgress(i)}t.enqueue(r),e()}}))}()}});return new Response(l)}throw Error(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),n=e&&e[1]?e[1].toLowerCase():void 0,i=new TextDecoder(n);return t.arrayBuffer().then((t=>i.decode(t)))}}})).then((e=>{yl.add(t,e);const n=_l[t];delete _l[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onLoad&&i.onLoad(e)}})).catch((e=>{const n=_l[t];if(void 0===n)throw this.manager.itemError(t),e;delete _l[t];for(let t=0,i=n.length;t<i;t++){const i=n[t];i.onError&&i.onError(e)}this.manager.itemError(t)})).finally((()=>{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class Ml extends bl{constructor(t){super(t)}load(t,e,n,i){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=yl.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=Pt("img");function o(){h(),yl.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){h(),i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)}function h(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}class Sl extends bl{constructor(t){super(t)}load(t,e,n,i){const r=new ai,s=new Ml(this.manager);s.setCrossOrigin(this.crossOrigin),s.setPath(this.path);let a=0;function o(n){s.load(t[n],(function(t){r.images[n]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))}),void 0,i)}for(let e=0;e<t.length;++e)o(e);return r}}class Tl extends bl{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new xa,a=new wl(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){const n=r.parse(t);n&&(void 0!==n.image?s.image=n.image:void 0!==n.data&&(s.image.width=n.width,s.image.height=n.height,s.image.data=n.data),s.wrapS=void 0!==n.wrapS?n.wrapS:E,s.wrapT=void 0!==n.wrapT?n.wrapT:E,s.magFilter=void 0!==n.magFilter?n.magFilter:P,s.minFilter=void 0!==n.minFilter?n.minFilter:P,s.anisotropy=void 0!==n.anisotropy?n.anisotropy:1,void 0!==n.encoding&&(s.encoding=n.encoding),void 0!==n.flipY&&(s.flipY=n.flipY),void 0!==n.format&&(s.format=n.format),void 0!==n.type&&(s.type=n.type),void 0!==n.mipmaps&&(s.mipmaps=n.mipmaps,s.minFilter=I),1===n.mipmapCount&&(s.minFilter=P),void 0!==n.generateMipmaps&&(s.generateMipmaps=n.generateMipmaps),s.needsUpdate=!0,e&&e(s,n))}),n,i),s}}class El extends bl{constructor(t){super(t)}load(t,e,n,i){const r=new $t,s=new Ml(this.manager);return s.setCrossOrigin(this.crossOrigin),s.setPath(this.path),s.load(t,(function(t){r.image=t,r.needsUpdate=!0,void 0!==e&&e(r)}),n,i),r}}class Al extends nn{constructor(t,e=1){super(),this.type="Light",this.color=new Vt(t),this.intensity=e}dispose(){}copy(t){return super.copy(t),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}Al.prototype.isLight=!0,class extends Al{constructor(t,e,n){super(t,n),this.type="HemisphereLight",this.position.copy(nn.DefaultUp),this.updateMatrix(),this.groundColor=new Vt(e)}copy(t){return Al.prototype.copy.call(this,t),this.groundColor.copy(t.groundColor),this}}.prototype.isHemisphereLight=!0;const Rl=new Pe,Cl=new te,Ll=new te;class Pl{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new Rt(512,512),this.map=null,this.mapPass=null,this.matrix=new Pe,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new mi,this._frameExtents=new Rt(1,1),this._viewportCount=1,this._viewports=[new Yt(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,n=this.matrix;Cl.setFromMatrixPosition(t.matrixWorld),e.position.copy(Cl),Ll.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(Ll),e.updateMatrixWorld(),Rl.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Rl),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(e.projectionMatrix),n.multiply(e.matrixWorldInverse)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}class Dl extends Pl{constructor(){super(new ii(50,1,.5,500)),this.focus=1}updateMatrices(t){const e=this.camera,n=2*xt*t.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;n===e.fov&&i===e.aspect&&r===e.far||(e.fov=n,e.aspect=i,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}Dl.prototype.isSpotLightShadow=!0;class Il extends Al{constructor(t,e,n=0,i=Math.PI/3,r=0,s=1){super(t,e),this.type="SpotLight",this.position.copy(nn.DefaultUp),this.updateMatrix(),this.target=new nn,this.distance=n,this.angle=i,this.penumbra=r,this.decay=s,this.shadow=new Dl}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}Il.prototype.isSpotLight=!0;const Ol=new Pe,Nl=new te,Fl=new te;class Ul extends Pl{constructor(){super(new ii(90,1,.5,500)),this._frameExtents=new Rt(4,2),this._viewportCount=6,this._viewports=[new Yt(2,1,1,1),new Yt(0,1,1,1),new Yt(3,1,1,1),new Yt(1,1,1,1),new Yt(3,0,1,1),new Yt(1,0,1,1)],this._cubeDirections=[new te(1,0,0),new te(-1,0,0),new te(0,0,1),new te(0,0,-1),new te(0,1,0),new te(0,-1,0)],this._cubeUps=[new te(0,1,0),new te(0,1,0),new te(0,1,0),new te(0,1,0),new te(0,0,1),new te(0,0,-1)]}updateMatrices(t,e=0){const n=this.camera,i=this.matrix,r=t.distance||n.far;r!==n.far&&(n.far=r,n.updateProjectionMatrix()),Nl.setFromMatrixPosition(t.matrixWorld),n.position.copy(Nl),Fl.copy(n.position),Fl.add(this._cubeDirections[e]),n.up.copy(this._cubeUps[e]),n.lookAt(Fl),n.updateMatrixWorld(),i.makeTranslation(-Nl.x,-Nl.y,-Nl.z),Ol.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Ol)}}Ul.prototype.isPointLightShadow=!0;class kl extends Al{constructor(t,e,n=0,i=1){super(t,e),this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Ul}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}kl.prototype.isPointLight=!0;class Bl extends Pl{constructor(){super(new Ai(-5,5,5,-5,.5,500))}}Bl.prototype.isDirectionalLightShadow=!0;class zl extends Al{constructor(t,e){super(t,e),this.type="DirectionalLight",this.position.copy(nn.DefaultUp),this.updateMatrix(),this.target=new nn,this.shadow=new Bl}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}zl.prototype.isDirectionalLight=!0,class extends Al{constructor(t,e){super(t,e),this.type="AmbientLight"}}.prototype.isAmbientLight=!0,class extends Al{constructor(t,e,n=10,i=10){super(t,e),this.type="RectAreaLight",this.width=n,this.height=i}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}.prototype.isRectAreaLight=!0;class Hl{constructor(){this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new te)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*i),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*n),e.addScaledVector(s[4],n*i*1.092548),e.addScaledVector(s[5],i*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],n*r*1.092548),e.addScaledVector(s[8],.546274*(n*n-i*i)),e}getIrradianceAt(t,e){const n=t.x,i=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*i),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*n),e.addScaledVector(s[4],.858086*n*i),e.addScaledVector(s[5],.858086*i*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*n*r),e.addScaledVector(s[8],.429043*(n*n-i*i)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(t.coefficients[n],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let n=0;n<9;n++)this.coefficients[n].lerp(t.coefficients[n],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].fromArray(t,e+3*i);return this}toArray(t=[],e=0){const n=this.coefficients;for(let i=0;i<9;i++)n[i].toArray(t,e+3*i);return t}static getBasisAt(t,e){const n=t.x,i=t.y,r=t.z;e[0]=.282095,e[1]=.488603*i,e[2]=.488603*r,e[3]=.488603*n,e[4]=1.092548*n*i,e[5]=1.092548*i*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*n*r,e[8]=.546274*(n*n-i*i)}}Hl.prototype.isSphericalHarmonics3=!0;class Vl extends Al{constructor(t=new Hl,e=1){super(void 0,e),this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}Vl.prototype.isLightProbe=!0;class Gl{static decodeText(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let n=0,i=t.length;n<i;n++)e+=String.fromCharCode(t[n]);try{return decodeURIComponent(escape(e))}catch(t){return e}}static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}(class extends Pn{constructor(){super(),this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t=super.toJSON(this);return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}).prototype.isInstancedBufferGeometry=!0;class Wl extends bl{constructor(t){super(t),"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(t){return this.options=t,this}load(t,e,n,i){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=yl.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){yl.add(t,n),e&&e(n),r.manager.itemEnd(t)})).catch((function(e){i&&i(e),r.manager.itemError(t),r.manager.itemEnd(t)})),r.manager.itemStart(t)}}let jl;Wl.prototype.isImageBitmapLoader=!0;class ql extends bl{constructor(t){super(t)}load(t,e,n,i){const r=this,s=new wl(this.manager);s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(n){try{const t=n.slice(0);(void 0===jl&&(jl=new(window.AudioContext||window.webkitAudioContext)),jl).decodeAudioData(t,(function(t){e(t)}))}catch(e){i?i(e):console.error(e),r.manager.itemError(t)}}),n,i)}}(class extends Vl{constructor(t,e,n=1){super(void 0,n);const i=(new Vt).set(t),r=(new Vt).set(e),s=new te(i.r,i.g,i.b),a=new te(r.r,r.g,r.b),o=Math.sqrt(Math.PI),l=o*Math.sqrt(.75);this.sh.coefficients[0].copy(s).add(a).multiplyScalar(o),this.sh.coefficients[1].copy(s).sub(a).multiplyScalar(l)}}).prototype.isHemisphereLightProbe=!0,class extends Vl{constructor(t,e=1){super(void 0,e);const n=(new Vt).set(t);this.sh.coefficients[0].set(n.r,n.g,n.b).multiplyScalar(2*Math.sqrt(Math.PI))}}.prototype.isAmbientLightProbe=!0;class Xl{constructor(t,e,n){let i,r,s;switch(this.binding=t,this.valueSize=n,e){case"quaternion":i=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*n),this._workIndex=5;break;case"string":case"bool":i=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*n);break;default:i=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*n)}this._mixBufferRegion=i,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const n=this.buffer,i=this.valueSize,r=t*i+i;let s=this.cumulativeWeight;if(0===s){for(let t=0;t!==i;++t)n[r+t]=n[t];s=e}else{s+=e;const t=e/s;this._mixBufferRegion(n,r,0,t,i)}this.cumulativeWeight=s}accumulateAdditive(t){const e=this.buffer,n=this.valueSize,i=n*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,i,0,t,n),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,n=this.buffer,i=t*e+e,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(n,i,t,1-r,e)}s>0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n<e;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[e+n]=this.buffer[t+n]}_select(t,e,n,i,r){if(i>=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){Qt.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;Qt.multiplyQuaternionsFlat(t,s,t,e,t,n),Qt.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const $l="\\[\\]\\.:\\/",Yl=new RegExp("["+$l+"]","g"),Zl="[^"+$l+"]",Jl="[^"+$l.replace("\\.","")+"]",Kl=/((?:WC+[\/:])*)/.source.replace("WC",Zl),Ql=/(WCOD+)?/.source.replace("WCOD",Jl),th=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Zl),eh=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Zl),nh=new RegExp("^"+Kl+Ql+th+eh+"$"),ih=["material","materials","bones"];class rh{constructor(t,e,n){this.path=e,this.parsedPath=n||rh.parseTrackName(e),this.node=rh.findNode(t,this.parsedPath.nodeName)||t,this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new rh.Composite(t,e,n):new rh(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Yl,"")}static parseTrackName(t){const e=nh.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==ih.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i<t.length;i++){const r=t[i];if(r.name===e||r.uuid===e)return r;const s=n(r.children);if(s)return s}return null},i=n(t.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)t[e++]=n[i]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,n=e.objectName,i=e.propertyName;let r=e.propertyIndex;if(t||(t=rh.findNode(this.rootNode,e.nodeName)||this.rootNode,this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(n){let i=e.objectIndex;switch(n){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===i){i=e;break}break;default:if(void 0===t[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[n]}if(void 0!==i){if(void 0===t[i])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[i]}}const s=t[i];if(void 0===s){const n=e.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+i+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,void 0!==t.needsUpdate?a=this.Versioning.NeedsUpdate:void 0!==t.matrixWorldNeedsUpdate&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===i){if(!t.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.isBufferGeometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences on THREE.Geometry. Use THREE.BufferGeometry instead.",this);if(!t.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(o=this.BindingType.EntireArray,this.resolvedProperty=s):this.propertyName=i;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}rh.Composite=class{constructor(t,e,n){const i=n||rh.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,i)}getValue(t,e){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(t,e)}setValue(t,e){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,n=t.length;e!==n;++e)t[e].unbind()}},rh.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},rh.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},rh.prototype.GetterByBindingType=[rh.prototype._getValue_direct,rh.prototype._getValue_array,rh.prototype._getValue_arrayElement,rh.prototype._getValue_toArray],rh.prototype.SetterByBindingTypeAndVersioning=[[rh.prototype._setValue_direct,rh.prototype._setValue_direct_setNeedsUpdate,rh.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[rh.prototype._setValue_array,rh.prototype._setValue_array_setNeedsUpdate,rh.prototype._setValue_array_setMatrixWorldNeedsUpdate],[rh.prototype._setValue_arrayElement,rh.prototype._setValue_arrayElement_setNeedsUpdate,rh.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[rh.prototype._setValue_fromArray,rh.prototype._setValue_fromArray_setNeedsUpdate,rh.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class sh{constructor(t,e,n=null,i=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=n,this.blendMode=i;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:it,endingEnd:it};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,n){if(t.fadeOut(e),this.fadeIn(e),n){const n=this._clip.duration,i=t._clip.duration,r=i/n,s=n/i;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,n){return t.crossFadeFrom(this,e,n)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,n){const i=this._mixer,r=i.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=i._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+n,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,n,i){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const i=(t-r)*n;if(i<0||0===n)return;this._startTime=null,e=n*i}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(2501===this.blendMode)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;null!==n&&(e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e))}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=n===Q;if(0===t)return-1===r||!s||1&~r?i:e-i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&!(1&~r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=rt,i.endingEnd=rt):(i.endingStart=t?this.zeroSlopeAtStart?rt:it:st,i.endingEnd=e?this.zeroSlopeAtEnd?rt:it:st)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}class ah extends ft{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let h=l[o];void 0===h&&(h={},l[o]=h);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let c=h[l];if(void 0!==c)++c.referenceCount,s[t]=c;else{if(c=s[t],void 0!==c){null===c._cacheIndex&&(++c.referenceCount,this._addInactiveBinding(c,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;c=new Xl(rh.create(n,l,i),r.ValueTypeName,r.getValueSize()),++c.referenceCount,this._addInactiveBinding(c,o,l),s[t]=c}a[t].resultBuffer=c.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,n){const i=this._actions,r=this._actionsByClip;let s=r[e];if(void 0===s)s={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=s;else{const e=s.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=i.length,i.push(t),s.actionByRoot[n]=t}_removeInactiveAction(t){const e=this._actions,n=e[e.length-1],i=t._cacheIndex;n._cacheIndex=i,e[i]=n,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],h=t._byClipCacheIndex;l._byClipCacheIndex=h,o[h]=l,o.pop(),t._byClipCacheIndex=null,delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.referenceCount&&this._removeInactiveBinding(n)}}_lendAction(t){const e=this._actions,n=t._cacheIndex,i=this._nActiveActions++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackAction(t){const e=this._actions,n=t._cacheIndex,i=--this._nActiveActions,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_addInactiveBinding(t,e,n){const i=this._bindingsByRootAndName,r=this._bindings;let s=i[e];void 0===s&&(s={},i[e]=s),s[n]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,n=t.binding,i=n.rootNode.uuid,r=n.path,s=this._bindingsByRootAndName,a=s[i],o=e[e.length-1],l=t._cacheIndex;o._cacheIndex=l,e[l]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete s[i]}_lendBinding(t){const e=this._bindings,n=t._cacheIndex,i=this._nActiveBindings++,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_takeBackBinding(t){const e=this._bindings,n=t._cacheIndex,i=--this._nActiveBindings,r=e[i];t._cacheIndex=i,e[i]=t,r._cacheIndex=n,e[n]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let n=t[e];return void 0===n&&(n=new al(new Float32Array(2),new Float32Array(2),1,this._controlInterpolantsResultBuffer),n.__cacheIndex=e,t[e]=n),n}_takeBackControlInterpolant(t){const e=this._controlInterpolants,n=t.__cacheIndex,i=--this._nActiveControlInterpolants,r=e[i];t.__cacheIndex=i,e[i]=t,r.__cacheIndex=n,e[n]=r}clipAction(t,e,n){const i=e||this._root,r=i.uuid;let s="string"==typeof t?gl.findByName(i,t):t;const a=null!==s?s.uuid:t,o=this._actionsByClip[a];let l=null;if(void 0===n&&(n=null!==s?s.blendMode:2500),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===n)return t;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const h=new sh(this,s,e,n);return this._bindAction(h,l),this._addInactiveAction(h,a,r),h}existingAction(t,e){const n=e||this._root,i=n.uuid,r="string"==typeof t?gl.findByName(n,t):t,s=r?r.uuid:t,a=this._actionsByClip[s];return void 0!==a&&a.actionByRoot[i]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a)e[a]._update(i,t,r,s);const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,n=t.uuid,i=this._actionsByClip,r=i[n];if(void 0!==r){const t=r.knownActions;for(let n=0,i=t.length;n!==i;++n){const i=t[n];this._deactivateAction(i);const r=i._cacheIndex,s=e[e.length-1];i._cacheIndex=null,i._byClipCacheIndex=null,s._cacheIndex=r,e[r]=s,e.pop(),this._removeInactiveBindingsForAction(i)}delete i[n]}}uncacheRoot(t){const e=t.uuid,n=this._actionsByClip;for(const t in n){const i=n[t].actionByRoot[e];void 0!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}const i=this._bindingsByRootAndName[e];if(void 0!==i)for(const t in i){const e=i[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const n=this.existingAction(t,e);null!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}}function oh(t,e){return t.distance-e.distance}function lh(t,e,n,i){if(t.layers.test(e.layers)&&t.raycast(e,n),!0===i){const i=t.children;for(let t=0,r=i.length;t<r;t++)lh(i[t],e,n,!0)}}ah.prototype._controlInterpolantsResultBuffer=new Float32Array(1),class extends $s{constructor(t,e,n=1){super(t,e),this.meshPerAttribute=n}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}}.prototype.isInstancedInterleavedBuffer=!0;class hh{constructor(t=1,e=0,n=0){return this.radius=t,this.phi=e,this.theta=n,this}set(t,e,n){return this.radius=t,this.phi=e,this.theta=n,this}copy(t){return this.radius=t.radius,this.phi=t.phi,this.theta=t.theta,this}makeSafe(){const t=1e-6;return this.phi=Math.max(t,Math.min(Math.PI-t,this.phi)),this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,n){return this.radius=Math.sqrt(t*t+e*e+n*n),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(t,n),this.phi=Math.acos(_t(e/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}const ch=new te,uh=new Pe,dh=new Pe;function ph(t){const e=[];!0===t.isBone&&e.push(t);for(let n=0;n<t.children.length;n++)e.push.apply(e,ph(t.children[n]));return e}class mh{static toHalfFloat(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=_t(t,-65504,65504),gh[0]=t;const e=vh[0],n=e>>23&511;return yh[n]+((8388607&e)>>xh[n])}static fromHalfFloat(t){const e=t>>10;return vh[0]=bh[wh[e]+(1023&t)]+_h[e],gh[0]}}const fh=new ArrayBuffer(4),gh=new Float32Array(fh),vh=new Uint32Array(fh),yh=new Uint32Array(512),xh=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(yh[t]=0,yh[256|t]=32768,xh[t]=24,xh[256|t]=24):e<-14?(yh[t]=1024>>-e-14,yh[256|t]=1024>>-e-14|32768,xh[t]=-e-1,xh[256|t]=-e-1):e<=15?(yh[t]=e+15<<10,yh[256|t]=e+15<<10|32768,xh[t]=13,xh[256|t]=13):e<128?(yh[t]=31744,yh[256|t]=64512,xh[t]=24,xh[256|t]=24):(yh[t]=31744,yh[256|t]=64512,xh[t]=13,xh[256|t]=13)}const bh=new Uint32Array(2048),_h=new Uint32Array(64),wh=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,n=0;for(;!(8388608&e);)e<<=1,n-=8388608;e&=-8388609,n+=947912704,bh[t]=e|n}for(let t=1024;t<2048;++t)bh[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)_h[t]=t<<23;_h[31]=1199570944,_h[32]=2147483648;for(let t=33;t<63;++t)_h[t]=2147483648+(t-32<<23);_h[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(wh[t]=1024);Xa.create=function(t,e){return console.log("THREE.Curve.create() has been deprecated"),t.prototype=Object.create(Xa.prototype),t.prototype.constructor=t,t.prototype.getPoint=e,t},mo.prototype.fromPoints=function(t){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(t)},class extends Ua{constructor(t=10,e=10,n=4473924,i=8947848){n=new Vt(n),i=new Vt(i);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,h=0,c=-a;t<=e;t++,c+=s){o.push(-a,0,c,a,0,c),o.push(c,0,-a,c,0,a);const e=t===r?n:i;e.toArray(l,h),h+=3,e.toArray(l,h),h+=3,e.toArray(l,h),h+=3,e.toArray(l,h),h+=3}const h=new Pn;h.setAttribute("position",new Mn(o,3)),h.setAttribute("color",new Mn(l,3)),super(h,new Ra({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}}.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")},class extends Ua{constructor(t){const e=ph(t),n=new Pn,i=[],r=[],s=new Vt(0,0,1),a=new Vt(0,1,0);for(let t=0;t<e.length;t++){const n=e[t];n.parent&&n.parent.isBone&&(i.push(0,0,0),i.push(0,0,0),r.push(s.r,s.g,s.b),r.push(a.r,a.g,a.b))}n.setAttribute("position",new Mn(i,3)),n.setAttribute("color",new Mn(r,3)),super(n,new Ra({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.type="SkeletonHelper",this.isSkeletonHelper=!0,this.root=t,this.bones=e,this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(t){const e=this.bones,n=this.geometry,i=n.getAttribute("position");dh.copy(this.root.matrixWorld).invert();for(let t=0,n=0;t<e.length;t++){const r=e[t];r.parent&&r.parent.isBone&&(uh.multiplyMatrices(dh,r.matrixWorld),ch.setFromMatrixPosition(uh),i.setXYZ(n,ch.x,ch.y,ch.z),uh.multiplyMatrices(dh,r.parent.matrixWorld),ch.setFromMatrixPosition(uh),i.setXYZ(n+1,ch.x,ch.y,ch.z),n+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(t)}}.prototype.update=function(){console.error("THREE.SkeletonHelper: update() no longer needs to be called.")},bl.prototype.extractUrlBase=function(t){return console.warn("THREE.Loader: .extractUrlBase() has been deprecated. Use THREE.LoaderUtils.extractUrlBase() instead."),Gl.extractUrlBase(t)},bl.Handlers={add:function(){console.error("THREE.Loader: Handlers.add() has been removed. Use LoadingManager.addHandler() instead.")},get:function(){console.error("THREE.Loader: Handlers.get() has been removed. Use LoadingManager.getHandler() instead.")}},ie.prototype.center=function(t){return console.warn("THREE.Box3: .center() has been renamed to .getCenter()."),this.getCenter(t)},ie.prototype.empty=function(){return console.warn("THREE.Box3: .empty() has been renamed to .isEmpty()."),this.isEmpty()},ie.prototype.isIntersectionBox=function(t){return console.warn("THREE.Box3: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},ie.prototype.isIntersectionSphere=function(t){return console.warn("THREE.Box3: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(t)},ie.prototype.size=function(t){return console.warn("THREE.Box3: .size() has been renamed to .getSize()."),this.getSize(t)},He.prototype.toVector3=function(){console.error("THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead")},we.prototype.empty=function(){return console.warn("THREE.Sphere: .empty() has been renamed to .isEmpty()."),this.isEmpty()},mi.prototype.setFromMatrix=function(t){return console.warn("THREE.Frustum: .setFromMatrix() has been renamed to .setFromProjectionMatrix()."),this.setFromProjectionMatrix(t)},Ct.prototype.flattenToArrayOffset=function(t,e){return console.warn("THREE.Matrix3: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(t,e)},Ct.prototype.multiplyVector3=function(t){return console.warn("THREE.Matrix3: .multiplyVector3() has been removed. Use vector.applyMatrix3( matrix ) instead."),t.applyMatrix3(this)},Ct.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix3: .multiplyVector3Array() has been removed.")},Ct.prototype.applyToBufferAttribute=function(t){return console.warn("THREE.Matrix3: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix3( matrix ) instead."),t.applyMatrix3(this)},Ct.prototype.applyToVector3Array=function(){console.error("THREE.Matrix3: .applyToVector3Array() has been removed.")},Ct.prototype.getInverse=function(t){return console.warn("THREE.Matrix3: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(t).invert()},Pe.prototype.extractPosition=function(t){return console.warn("THREE.Matrix4: .extractPosition() has been renamed to .copyPosition()."),this.copyPosition(t)},Pe.prototype.flattenToArrayOffset=function(t,e){return console.warn("THREE.Matrix4: .flattenToArrayOffset() has been deprecated. Use .toArray() instead."),this.toArray(t,e)},Pe.prototype.getPosition=function(){return console.warn("THREE.Matrix4: .getPosition() has been removed. Use Vector3.setFromMatrixPosition( matrix ) instead."),(new te).setFromMatrixColumn(this,3)},Pe.prototype.setRotationFromQuaternion=function(t){return console.warn("THREE.Matrix4: .setRotationFromQuaternion() has been renamed to .makeRotationFromQuaternion()."),this.makeRotationFromQuaternion(t)},Pe.prototype.multiplyToArray=function(){console.warn("THREE.Matrix4: .multiplyToArray() has been removed.")},Pe.prototype.multiplyVector3=function(t){return console.warn("THREE.Matrix4: .multiplyVector3() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},Pe.prototype.multiplyVector4=function(t){return console.warn("THREE.Matrix4: .multiplyVector4() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},Pe.prototype.multiplyVector3Array=function(){console.error("THREE.Matrix4: .multiplyVector3Array() has been removed.")},Pe.prototype.rotateAxis=function(t){console.warn("THREE.Matrix4: .rotateAxis() has been removed. Use Vector3.transformDirection( matrix ) instead."),t.transformDirection(this)},Pe.prototype.crossVector=function(t){return console.warn("THREE.Matrix4: .crossVector() has been removed. Use vector.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},Pe.prototype.translate=function(){console.error("THREE.Matrix4: .translate() has been removed.")},Pe.prototype.rotateX=function(){console.error("THREE.Matrix4: .rotateX() has been removed.")},Pe.prototype.rotateY=function(){console.error("THREE.Matrix4: .rotateY() has been removed.")},Pe.prototype.rotateZ=function(){console.error("THREE.Matrix4: .rotateZ() has been removed.")},Pe.prototype.rotateByAxis=function(){console.error("THREE.Matrix4: .rotateByAxis() has been removed.")},Pe.prototype.applyToBufferAttribute=function(t){return console.warn("THREE.Matrix4: .applyToBufferAttribute() has been removed. Use attribute.applyMatrix4( matrix ) instead."),t.applyMatrix4(this)},Pe.prototype.applyToVector3Array=function(){console.error("THREE.Matrix4: .applyToVector3Array() has been removed.")},Pe.prototype.makeFrustum=function(t,e,n,i,r,s){return console.warn("THREE.Matrix4: .makeFrustum() has been removed. Use .makePerspective( left, right, top, bottom, near, far ) instead."),this.makePerspective(t,e,i,n,r,s)},Pe.prototype.getInverse=function(t){return console.warn("THREE.Matrix4: .getInverse() has been removed. Use matrixInv.copy( matrix ).invert(); instead."),this.copy(t).invert()},ui.prototype.isIntersectionLine=function(t){return console.warn("THREE.Plane: .isIntersectionLine() has been renamed to .intersectsLine()."),this.intersectsLine(t)},Qt.prototype.multiplyVector3=function(t){return console.warn("THREE.Quaternion: .multiplyVector3() has been removed. Use is now vector.applyQuaternion( quaternion ) instead."),t.applyQuaternion(this)},Qt.prototype.inverse=function(){return console.warn("THREE.Quaternion: .inverse() has been renamed to invert()."),this.invert()},Le.prototype.isIntersectionBox=function(t){return console.warn("THREE.Ray: .isIntersectionBox() has been renamed to .intersectsBox()."),this.intersectsBox(t)},Le.prototype.isIntersectionPlane=function(t){return console.warn("THREE.Ray: .isIntersectionPlane() has been renamed to .intersectsPlane()."),this.intersectsPlane(t)},Le.prototype.isIntersectionSphere=function(t){return console.warn("THREE.Ray: .isIntersectionSphere() has been renamed to .intersectsSphere()."),this.intersectsSphere(t)},mn.prototype.area=function(){return console.warn("THREE.Triangle: .area() has been renamed to .getArea()."),this.getArea()},mn.prototype.barycoordFromPoint=function(t,e){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),this.getBarycoord(t,e)},mn.prototype.midpoint=function(t){return console.warn("THREE.Triangle: .midpoint() has been renamed to .getMidpoint()."),this.getMidpoint(t)},mn.prototypenormal=function(t){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),this.getNormal(t)},mn.prototype.plane=function(t){return console.warn("THREE.Triangle: .plane() has been renamed to .getPlane()."),this.getPlane(t)},mn.barycoordFromPoint=function(t,e,n,i,r){return console.warn("THREE.Triangle: .barycoordFromPoint() has been renamed to .getBarycoord()."),mn.getBarycoord(t,e,n,i,r)},mn.normal=function(t,e,n,i){return console.warn("THREE.Triangle: .normal() has been renamed to .getNormal()."),mn.getNormal(t,e,n,i)},fo.prototype.extractAllPoints=function(t){return console.warn("THREE.Shape: .extractAllPoints() has been removed. Use .extractPoints() instead."),this.extractPoints(t)},fo.prototype.extrude=function(t){return console.warn("THREE.Shape: .extrude() has been removed. Use ExtrudeGeometry() instead."),new Go(this,t)},fo.prototype.makeGeometry=function(t){return console.warn("THREE.Shape: .makeGeometry() has been removed. Use ShapeGeometry() instead."),new jo(this,t)},Rt.prototype.fromAttribute=function(t,e,n){return console.warn("THREE.Vector2: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},Rt.prototype.distanceToManhattan=function(t){return console.warn("THREE.Vector2: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(t)},Rt.prototype.lengthManhattan=function(){return console.warn("THREE.Vector2: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},te.prototype.setEulerFromRotationMatrix=function(){console.error("THREE.Vector3: .setEulerFromRotationMatrix() has been removed. Use Euler.setFromRotationMatrix() instead.")},te.prototype.setEulerFromQuaternion=function(){console.error("THREE.Vector3: .setEulerFromQuaternion() has been removed. Use Euler.setFromQuaternion() instead.")},te.prototype.getPositionFromMatrix=function(t){return console.warn("THREE.Vector3: .getPositionFromMatrix() has been renamed to .setFromMatrixPosition()."),this.setFromMatrixPosition(t)},te.prototype.getScaleFromMatrix=function(t){return console.warn("THREE.Vector3: .getScaleFromMatrix() has been renamed to .setFromMatrixScale()."),this.setFromMatrixScale(t)},te.prototype.getColumnFromMatrix=function(t,e){return console.warn("THREE.Vector3: .getColumnFromMatrix() has been renamed to .setFromMatrixColumn()."),this.setFromMatrixColumn(e,t)},te.prototype.applyProjection=function(t){return console.warn("THREE.Vector3: .applyProjection() has been removed. Use .applyMatrix4( m ) instead."),this.applyMatrix4(t)},te.prototype.fromAttribute=function(t,e,n){return console.warn("THREE.Vector3: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},te.prototype.distanceToManhattan=function(t){return console.warn("THREE.Vector3: .distanceToManhattan() has been renamed to .manhattanDistanceTo()."),this.manhattanDistanceTo(t)},te.prototype.lengthManhattan=function(){return console.warn("THREE.Vector3: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},Yt.prototype.fromAttribute=function(t,e,n){return console.warn("THREE.Vector4: .fromAttribute() has been renamed to .fromBufferAttribute()."),this.fromBufferAttribute(t,e,n)},Yt.prototype.lengthManhattan=function(){return console.warn("THREE.Vector4: .lengthManhattan() has been renamed to .manhattanLength()."),this.manhattanLength()},nn.prototype.getChildByName=function(t){return console.warn("THREE.Object3D: .getChildByName() has been renamed to .getObjectByName()."),this.getObjectByName(t)},nn.prototype.renderDepth=function(){console.warn("THREE.Object3D: .renderDepth has been removed. Use .renderOrder, instead.")},nn.prototype.translate=function(t,e){return console.warn("THREE.Object3D: .translate() has been removed. Use .translateOnAxis( axis, distance ) instead."),this.translateOnAxis(e,t)},nn.prototype.getWorldRotation=function(){console.error("THREE.Object3D: .getWorldRotation() has been removed. Use THREE.Object3D.getWorldQuaternion( target ) instead.")},nn.prototype.applyMatrix=function(t){return console.warn("THREE.Object3D: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(t)},Object.defineProperties(nn.prototype,{eulerOrder:{get:function(){return console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order},set:function(t){console.warn("THREE.Object3D: .eulerOrder is now .rotation.order."),this.rotation.order=t}},useQuaternion:{get:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")},set:function(){console.warn("THREE.Object3D: .useQuaternion has been removed. The library now uses quaternions by default.")}}}),Yn.prototype.setDrawMode=function(){console.error("THREE.Mesh: .setDrawMode() has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")},Object.defineProperties(Yn.prototype,{drawMode:{get:function(){return console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode."),0},set:function(){console.error("THREE.Mesh: .drawMode has been removed. The renderer now always assumes THREE.TrianglesDrawMode. Transform your geometry via BufferGeometryUtils.toTrianglesDrawMode() if necessary.")}}}),va.prototype.initBones=function(){console.error("THREE.SkinnedMesh: initBones() has been removed.")},ii.prototype.setLens=function(t,e){console.warn("THREE.PerspectiveCamera.setLens is deprecated. Use .setFocalLength and .filmGauge for a photographic setup."),void 0!==e&&(this.filmGauge=e),this.setFocalLength(t)},Object.defineProperties(Al.prototype,{onlyShadow:{set:function(){console.warn("THREE.Light: .onlyShadow has been removed.")}},shadowCameraFov:{set:function(t){console.warn("THREE.Light: .shadowCameraFov is now .shadow.camera.fov."),this.shadow.camera.fov=t}},shadowCameraLeft:{set:function(t){console.warn("THREE.Light: .shadowCameraLeft is now .shadow.camera.left."),this.shadow.camera.left=t}},shadowCameraRight:{set:function(t){console.warn("THREE.Light: .shadowCameraRight is now .shadow.camera.right."),this.shadow.camera.right=t}},shadowCameraTop:{set:function(t){console.warn("THREE.Light: .shadowCameraTop is now .shadow.camera.top."),this.shadow.camera.top=t}},shadowCameraBottom:{set:function(t){console.warn("THREE.Light: .shadowCameraBottom is now .shadow.camera.bottom."),this.shadow.camera.bottom=t}},shadowCameraNear:{set:function(t){console.warn("THREE.Light: .shadowCameraNear is now .shadow.camera.near."),this.shadow.camera.near=t}},shadowCameraFar:{set:function(t){console.warn("THREE.Light: .shadowCameraFar is now .shadow.camera.far."),this.shadow.camera.far=t}},shadowCameraVisible:{set:function(){console.warn("THREE.Light: .shadowCameraVisible has been removed. Use new THREE.CameraHelper( light.shadow.camera ) instead.")}},shadowBias:{set:function(t){console.warn("THREE.Light: .shadowBias is now .shadow.bias."),this.shadow.bias=t}},shadowDarkness:{set:function(){console.warn("THREE.Light: .shadowDarkness has been removed.")}},shadowMapWidth:{set:function(t){console.warn("THREE.Light: .shadowMapWidth is now .shadow.mapSize.width."),this.shadow.mapSize.width=t}},shadowMapHeight:{set:function(t){console.warn("THREE.Light: .shadowMapHeight is now .shadow.mapSize.height."),this.shadow.mapSize.height=t}}}),Object.defineProperties(bn.prototype,{length:{get:function(){return console.warn("THREE.BufferAttribute: .length has been deprecated. Use .count instead."),this.array.length}},dynamic:{get:function(){return console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.usage===dt},set:function(){console.warn("THREE.BufferAttribute: .dynamic has been deprecated. Use .usage instead."),this.setUsage(dt)}}}),bn.prototype.setDynamic=function(t){return console.warn("THREE.BufferAttribute: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===t?dt:ut),this},bn.prototype.copyIndicesArray=function(){console.error("THREE.BufferAttribute: .copyIndicesArray() has been removed.")},bn.prototype.setArray=function(){console.error("THREE.BufferAttribute: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},Pn.prototype.addIndex=function(t){console.warn("THREE.BufferGeometry: .addIndex() has been renamed to .setIndex()."),this.setIndex(t)},Pn.prototype.addAttribute=function(t,e){return console.warn("THREE.BufferGeometry: .addAttribute() has been renamed to .setAttribute()."),e&&e.isBufferAttribute||e&&e.isInterleavedBufferAttribute?"index"===t?(console.warn("THREE.BufferGeometry.addAttribute: Use .setIndex() for index attribute."),this.setIndex(e),this):this.setAttribute(t,e):(console.warn("THREE.BufferGeometry: .addAttribute() now expects ( name, attribute )."),this.setAttribute(t,new bn(arguments[1],arguments[2])))},Pn.prototype.addDrawCall=function(t,e,n){void 0!==n&&console.warn("THREE.BufferGeometry: .addDrawCall() no longer supports indexOffset."),console.warn("THREE.BufferGeometry: .addDrawCall() is now .addGroup()."),this.addGroup(t,e)},Pn.prototype.clearDrawCalls=function(){console.warn("THREE.BufferGeometry: .clearDrawCalls() is now .clearGroups()."),this.clearGroups()},Pn.prototype.computeOffsets=function(){console.warn("THREE.BufferGeometry: .computeOffsets() has been removed.")},Pn.prototype.removeAttribute=function(t){return console.warn("THREE.BufferGeometry: .removeAttribute() has been renamed to .deleteAttribute()."),this.deleteAttribute(t)},Pn.prototype.applyMatrix=function(t){return console.warn("THREE.BufferGeometry: .applyMatrix() has been renamed to .applyMatrix4()."),this.applyMatrix4(t)},Object.defineProperties(Pn.prototype,{drawcalls:{get:function(){return console.error("THREE.BufferGeometry: .drawcalls has been renamed to .groups."),this.groups}},offsets:{get:function(){return console.warn("THREE.BufferGeometry: .offsets has been renamed to .groups."),this.groups}}}),$s.prototype.setDynamic=function(t){return console.warn("THREE.InterleavedBuffer: .setDynamic() has been deprecated. Use .setUsage() instead."),this.setUsage(!0===t?dt:ut),this},$s.prototype.setArray=function(){console.error("THREE.InterleavedBuffer: .setArray has been removed. Use BufferGeometry .setAttribute to replace/resize attribute buffers")},Go.prototype.getArrays=function(){console.error("THREE.ExtrudeGeometry: .getArrays() has been removed.")},Go.prototype.addShapeList=function(){console.error("THREE.ExtrudeGeometry: .addShapeList() has been removed.")},Go.prototype.addShape=function(){console.error("THREE.ExtrudeGeometry: .addShape() has been removed.")},Xs.prototype.dispose=function(){console.error("THREE.Scene: .dispose() has been removed.")},Object.defineProperties(gn.prototype,{wrapAround:{get:function(){console.warn("THREE.Material: .wrapAround has been removed.")},set:function(){console.warn("THREE.Material: .wrapAround has been removed.")}},overdraw:{get:function(){console.warn("THREE.Material: .overdraw has been removed.")},set:function(){console.warn("THREE.Material: .overdraw has been removed.")}},wrapRGB:{get:function(){return console.warn("THREE.Material: .wrapRGB has been removed."),new Vt}},shading:{get:function(){console.error("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead.")},set:function(t){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===t}},stencilMask:{get:function(){return console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask},set:function(t){console.warn("THREE."+this.type+": .stencilMask has been removed. Use .stencilFuncMask instead."),this.stencilFuncMask=t}},vertexTangents:{get:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")},set:function(){console.warn("THREE."+this.type+": .vertexTangents has been removed.")}}}),Object.defineProperties(ei.prototype,{derivatives:{get:function(){return console.warn("THREE.ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives},set:function(t){console.warn("THREE. ShaderMaterial: .derivatives has been moved to .extensions.derivatives."),this.extensions.derivatives=t}}}),qs.prototype.clearTarget=function(t,e,n,i){console.warn("THREE.WebGLRenderer: .clearTarget() has been deprecated. Use .setRenderTarget() and .clear() instead."),this.setRenderTarget(t),this.clear(e,n,i)},qs.prototype.animate=function(t){console.warn("THREE.WebGLRenderer: .animate() is now .setAnimationLoop()."),this.setAnimationLoop(t)},qs.prototype.getCurrentRenderTarget=function(){return console.warn("THREE.WebGLRenderer: .getCurrentRenderTarget() is now .getRenderTarget()."),this.getRenderTarget()},qs.prototype.getMaxAnisotropy=function(){return console.warn("THREE.WebGLRenderer: .getMaxAnisotropy() is now .capabilities.getMaxAnisotropy()."),this.capabilities.getMaxAnisotropy()},qs.prototype.getPrecision=function(){return console.warn("THREE.WebGLRenderer: .getPrecision() is now .capabilities.precision."),this.capabilities.precision},qs.prototype.resetGLState=function(){return console.warn("THREE.WebGLRenderer: .resetGLState() is now .state.reset()."),this.state.reset()},qs.prototype.supportsFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsFloatTextures() is now .extensions.get( 'OES_texture_float' )."),this.extensions.get("OES_texture_float")},qs.prototype.supportsHalfFloatTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsHalfFloatTextures() is now .extensions.get( 'OES_texture_half_float' )."),this.extensions.get("OES_texture_half_float")},qs.prototype.supportsStandardDerivatives=function(){return console.warn("THREE.WebGLRenderer: .supportsStandardDerivatives() is now .extensions.get( 'OES_standard_derivatives' )."),this.extensions.get("OES_standard_derivatives")},qs.prototype.supportsCompressedTextureS3TC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTextureS3TC() is now .extensions.get( 'WEBGL_compressed_texture_s3tc' )."),this.extensions.get("WEBGL_compressed_texture_s3tc")},qs.prototype.supportsCompressedTexturePVRTC=function(){return console.warn("THREE.WebGLRenderer: .supportsCompressedTexturePVRTC() is now .extensions.get( 'WEBGL_compressed_texture_pvrtc' )."),this.extensions.get("WEBGL_compressed_texture_pvrtc")},qs.prototype.supportsBlendMinMax=function(){return console.warn("THREE.WebGLRenderer: .supportsBlendMinMax() is now .extensions.get( 'EXT_blend_minmax' )."),this.extensions.get("EXT_blend_minmax")},qs.prototype.supportsVertexTextures=function(){return console.warn("THREE.WebGLRenderer: .supportsVertexTextures() is now .capabilities.vertexTextures."),this.capabilities.vertexTextures},qs.prototype.supportsInstancedArrays=function(){return console.warn("THREE.WebGLRenderer: .supportsInstancedArrays() is now .extensions.get( 'ANGLE_instanced_arrays' )."),this.extensions.get("ANGLE_instanced_arrays")},qs.prototype.enableScissorTest=function(t){console.warn("THREE.WebGLRenderer: .enableScissorTest() is now .setScissorTest()."),this.setScissorTest(t)},qs.prototype.initMaterial=function(){console.warn("THREE.WebGLRenderer: .initMaterial() has been removed.")},qs.prototype.addPrePlugin=function(){console.warn("THREE.WebGLRenderer: .addPrePlugin() has been removed.")},qs.prototype.addPostPlugin=function(){console.warn("THREE.WebGLRenderer: .addPostPlugin() has been removed.")},qs.prototype.updateShadowMap=function(){console.warn("THREE.WebGLRenderer: .updateShadowMap() has been removed.")},qs.prototype.setFaceCulling=function(){console.warn("THREE.WebGLRenderer: .setFaceCulling() has been removed.")},qs.prototype.allocTextureUnit=function(){console.warn("THREE.WebGLRenderer: .allocTextureUnit() has been removed.")},qs.prototype.setTexture=function(){console.warn("THREE.WebGLRenderer: .setTexture() has been removed.")},qs.prototype.setTexture2D=function(){console.warn("THREE.WebGLRenderer: .setTexture2D() has been removed.")},qs.prototype.setTextureCube=function(){console.warn("THREE.WebGLRenderer: .setTextureCube() has been removed.")},qs.prototype.getActiveMipMapLevel=function(){return console.warn("THREE.WebGLRenderer: .getActiveMipMapLevel() is now .getActiveMipmapLevel()."),this.getActiveMipmapLevel()},Object.defineProperties(qs.prototype,{shadowMapEnabled:{get:function(){return this.shadowMap.enabled},set:function(t){console.warn("THREE.WebGLRenderer: .shadowMapEnabled is now .shadowMap.enabled."),this.shadowMap.enabled=t}},shadowMapType:{get:function(){return this.shadowMap.type},set:function(t){console.warn("THREE.WebGLRenderer: .shadowMapType is now .shadowMap.type."),this.shadowMap.type=t}},shadowMapCullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMapCullFace has been removed. Set Material.shadowSide instead.")}},context:{get:function(){return console.warn("THREE.WebGLRenderer: .context has been removed. Use .getContext() instead."),this.getContext()}},vr:{get:function(){return console.warn("THREE.WebGLRenderer: .vr has been renamed to .xr"),this.xr}},gammaInput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead."),!1},set:function(){console.warn("THREE.WebGLRenderer: .gammaInput has been removed. Set the encoding for textures via Texture.encoding instead.")}},gammaOutput:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),!1},set:function(t){console.warn("THREE.WebGLRenderer: .gammaOutput has been removed. Set WebGLRenderer.outputEncoding instead."),this.outputEncoding=!0===t?ot:at}},toneMappingWhitePoint:{get:function(){return console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed."),1},set:function(){console.warn("THREE.WebGLRenderer: .toneMappingWhitePoint has been removed.")}},gammaFactor:{get:function(){return console.warn("THREE.WebGLRenderer: .gammaFactor has been removed."),2},set:function(){console.warn("THREE.WebGLRenderer: .gammaFactor has been removed.")}}}),Object.defineProperties(Ns.prototype,{cullFace:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.cullFace has been removed. Set Material.shadowSide instead.")}},renderReverseSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderReverseSided has been removed. Set Material.shadowSide instead.")}},renderSingleSided:{get:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")},set:function(){console.warn("THREE.WebGLRenderer: .shadowMap.renderSingleSided has been removed. Set Material.shadowSide instead.")}}}),Object.defineProperties(Zt.prototype,{wrapS:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS},set:function(t){console.warn("THREE.WebGLRenderTarget: .wrapS is now .texture.wrapS."),this.texture.wrapS=t}},wrapT:{get:function(){return console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT},set:function(t){console.warn("THREE.WebGLRenderTarget: .wrapT is now .texture.wrapT."),this.texture.wrapT=t}},magFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter},set:function(t){console.warn("THREE.WebGLRenderTarget: .magFilter is now .texture.magFilter."),this.texture.magFilter=t}},minFilter:{get:function(){return console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter},set:function(t){console.warn("THREE.WebGLRenderTarget: .minFilter is now .texture.minFilter."),this.texture.minFilter=t}},anisotropy:{get:function(){return console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy},set:function(t){console.warn("THREE.WebGLRenderTarget: .anisotropy is now .texture.anisotropy."),this.texture.anisotropy=t}},offset:{get:function(){return console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset},set:function(t){console.warn("THREE.WebGLRenderTarget: .offset is now .texture.offset."),this.texture.offset=t}},repeat:{get:function(){return console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat},set:function(t){console.warn("THREE.WebGLRenderTarget: .repeat is now .texture.repeat."),this.texture.repeat=t}},format:{get:function(){return console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format},set:function(t){console.warn("THREE.WebGLRenderTarget: .format is now .texture.format."),this.texture.format=t}},type:{get:function(){return console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type},set:function(t){console.warn("THREE.WebGLRenderTarget: .type is now .texture.type."),this.texture.type=t}},generateMipmaps:{get:function(){return console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps},set:function(t){console.warn("THREE.WebGLRenderTarget: .generateMipmaps is now .texture.generateMipmaps."),this.texture.generateMipmaps=t}}}),class extends nn{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){if(this.detune=t,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return 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t=navigator.userAgent||navigator.vendor||self.opera;let e=!1;/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(t)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( 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<style>
:host {
  display: block;
  position: relative;
  contain: strict;
  width: 300px;
  height: 150px;
}

/* NOTE: This ruleset is our integration surface area with the
 * :focus-visible polyfill.
 *
 * @see https://github.com/WICG/focus-visible/pull/196 */
:host([data-js-focus-visible]:focus:not(.focus-visible)),
:host([data-js-focus-visible]) :focus:not(.focus-visible) {
  outline: none;
}

.container {
  position: relative;
}

.userInput {
  width: 100%;
  height: 100%;
  display: block;
  position: relative;
  overflow: hidden;
}

canvas {
  position: absolute;
  display: none;
  pointer-events: none;
  /* NOTE(cdata): Chrome 76 and below apparently have a bug
   * that causes our canvas not to display pixels unless it is
   * on its own render layer
   * @see https://github.com/google/model-viewer/pull/755#issuecomment-536597893
   */
  transform: translateZ(0);
}

canvas.show {
  display: block;
}

/* Adapted from HTML5 Boilerplate
 *
 * @see https://github.com/h5bp/html5-boilerplate/blob/ceb4620c78fc82e13534fc44202a3f168754873f/dist/css/main.css#L122-L133 */
.screen-reader-only {
  border: 0;
  left: 0;
  top: 0;
  clip: rect(0, 0, 0, 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
  pointer-events: none;
}

.slot {
  position: absolute;
  pointer-events: none;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.slot > * {
  pointer-events: initial;
}

.annotation-wrapper ::slotted(*) {
  opacity: var(--max-hotspot-opacity, 1);
  transition: opacity 0.3s;
}

.pointer-tumbling .annotation-wrapper ::slotted(*) {
  pointer-events: none;
}

.annotation-wrapper ::slotted(*) {
  pointer-events: initial;
}

.annotation-wrapper.hide ::slotted(*) {
  opacity: var(--min-hotspot-opacity, 0.25);
}

.slot.poster {
  opacity: 0;
  transition: opacity 0.3s 0.3s;
  background-color: inherit;
}

.slot.poster.show {
  opacity: 1;
  transition: none;
}

.slot.poster.quick {
  transition: none;
}

.slot.poster > * {
  pointer-events: initial;
}

.slot.poster:not(.show) > * {
  pointer-events: none;
}

#default-poster {
  width: 100%;
  height: 100%;
  /* The default poster is a <button> so we need to set display
   * to prevent it from being affected by text-align: */
  display: block;
  position: absolute;
  border: none;
  padding: 0;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-color: var(--poster-color, #fff);
  background-image: var(--poster-image, none);
}

#default-progress-bar {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

#default-progress-bar > .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--progress-mask, #fff);
  transition: opacity 0.3s;
  opacity: 0.2;
}

#default-progress-bar > .bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--progress-bar-height, 5px);
  background-color: var(--progress-bar-color, rgba(0, 0, 0, 0.4));
  transition: transform 0.09s;
  transform-origin: top left;
  transform: scaleX(0);
  overflow: hidden;
}

#default-progress-bar > .bar.hide {
  transition: opacity 0.3s 1s;
  opacity: 0;
}

.centered {
  align-items: center;
  justify-content: center;
}

.cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.slot.interaction-prompt {
  display: var(--interaction-prompt-display, flex);
  overflow: hidden;
  opacity: 0;
  will-change: opacity;
  transition: opacity 0.3s;
}

.slot.interaction-prompt.visible {
  opacity: 1;
}

.animated-container {
  will-change: transform, opacity;
  opacity: 0;
  transition: opacity 0.3s;
}

.slot.interaction-prompt > * {
  pointer-events: none;
}

.slot.ar-button {
  -moz-user-select: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;

  display: var(--ar-button-display, block);
}

.slot.ar-button:not(.enabled) {
  display: none;
}

.fab {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background-color: #fff;
  box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.15);
  border-radius: 100px;
}

.fab > * {
  opacity: 0.87;
}

#default-ar-button {
  position: absolute;
  bottom: 16px;
  right: 16px;
  transform: scale(var(--ar-button-scale, 1));
  transform-origin: bottom right;
}

.slot.pan-target {
  display: block;
  position: absolute;
  width: 0;
  height: 0;
  left: 50%;
  top: 50%;
  transform: translate3d(-50%, -50%, 0);
  background-color: transparent;
  opacity: 0;
  transition: opacity 0.3s;
}

#default-pan-target {
  width: 6px;
  height: 6px;
  border-radius: 6px;
  border: 1px solid white;
  box-shadow: 0px 0px 2px 1px rgba(0, 0, 0, 0.8);
}

.slot.default {
  pointer-events: none;
}

.slot.progress-bar {
  pointer-events: none;
}

.slot.exit-webxr-ar-button {
  pointer-events: none;
}

.slot.exit-webxr-ar-button:not(.enabled) {
  display: none;
}

#default-exit-webxr-ar-button {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  box-sizing: border-box;
}

#default-exit-webxr-ar-button > svg {
  fill: #fff;
}
</style>
<div class="container">
  <div class="userInput" tabindex="0" role="img"
      aria-label="3D model">
      <div class="slot canvas">
        <slot name="canvas">
          <canvas></canvas>
        </slot>
      </div>

  </div>

  <!-- NOTE(cdata): We need to wrap slots because browsers without ShadowDOM
        will have their <slot> elements removed by ShadyCSS -->
  <div class="slot poster">
    <slot name="poster">
      <button type="button" id="default-poster" aria-hidden="true" aria-label="Loading 3D model"></button>
    </slot>
  </div>

  <div class="slot ar-button">
    <slot name="ar-button">
      <a id="default-ar-button" part="default-ar-button" class="fab"
          tabindex="2"
          aria-label="View in your space">
        ${Qh`
<svg version="1.1" id="view_x5F_in_x5F_AR_x5F_icon"
	 xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="24px" height="24px"
	 viewBox="0 0 24 24" enable-background="new 0 0 24 24" xml:space="preserve">
<rect id="Bounding_Box" x="0" y="0" fill="none" width="24" height="24"/>
<g id="Art_layer">
	<path d="M3,4c0-0.55,0.45-1,1-1h2V1H4C2.35,1,1,2.35,1,4v2h2V4z"/>
	<path d="M20,3c0.55,0,1,0.45,1,1v2h2V4c0-1.65-1.35-3-3-3h-2v2H20z"/>
	<path d="M4,21c-0.55,0-1-0.45-1-1v-2H1v2c0,1.65,1.35,3,3,3h2v-2H4z"/>
	<path d="M20,21c0.55,0,1-0.45,1-1v-2h2v2c0,1.65-1.35,3-3,3h-2v-2H20z"/>
	<g>
		<path d="M18.25,7.6l-5.5-3.18c-0.46-0.27-1.04-0.27-1.5,0L5.75,7.6C5.29,7.87,5,8.36,5,8.9v6.35c0,0.54,0.29,1.03,0.75,1.3
			l5.5,3.18c0.46,0.27,1.04,0.27,1.5,0l5.5-3.18c0.46-0.27,0.75-0.76,0.75-1.3V8.9C19,8.36,18.71,7.87,18.25,7.6z M7,14.96v-4.62
			l4,2.32v4.61L7,14.96z M12,10.93L8,8.61l4-2.31l4,2.31L12,10.93z M13,17.27v-4.61l4-2.32v4.62L13,17.27z"/>
	</g>
</g>
</svg>`}
      </a>
    </slot>
  </div>

  <div class="slot pan-target">
    <slot name="pan-target">
      <div id="default-pan-target">
      </div>
    </slot>
  </div>

  <div class="slot interaction-prompt cover centered">
    <div id="prompt" class="animated-container">
      <slot name="interaction-prompt" aria-hidden="true">
        ${Qh`
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="25" height="36">
    <defs>
        <path id="A" d="M.001.232h24.997V36H.001z" />
    </defs>
    <g transform="translate(-11 -4)" fill="none" fill-rule="evenodd">
        <path fill-opacity="0" fill="#fff" d="M0 0h44v44H0z" />
        <g transform="translate(11 3)">
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t=s.clearcoatNormalTexture.scale;e.clearcoatNormalScale=new Rt(t,t)}return Promise.all(r)}}class Hc{constructor(t){this.parser=t,this.name=Uc.KHR_MATERIALS_SHEEN}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Yo:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[];e.sheenColor=new Vt(0,0,0),e.sheenRoughness=0,e.sheen=1;const s=i.extensions[this.name];return void 0!==s.sheenColorFactor&&e.sheenColor.fromArray(s.sheenColorFactor),void 0!==s.sheenRoughnessFactor&&(e.sheenRoughness=s.sheenRoughnessFactor),void 0!==s.sheenColorTexture&&r.push(n.assignTexture(e,"sheenColorMap",s.sheenColorTexture,ot)),void 0!==s.sheenRoughnessTexture&&r.push(n.assignTexture(e,"sheenRoughnessMap",s.sheenRoughnessTexture)),Promise.all(r)}}class Vc{constructor(t){this.parser=t,this.name=Uc.KHR_MATERIALS_TRANSMISSION}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Yo:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];return void 0!==s.transmissionFactor&&(e.transmission=s.transmissionFactor),void 0!==s.transmissionTexture&&r.push(n.assignTexture(e,"transmissionMap",s.transmissionTexture)),Promise.all(r)}}class Gc{constructor(t){this.parser=t,this.name=Uc.KHR_MATERIALS_VOLUME}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Yo:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];e.thickness=void 0!==s.thicknessFactor?s.thicknessFactor:0,void 0!==s.thicknessTexture&&r.push(n.assignTexture(e,"thicknessMap",s.thicknessTexture)),e.attenuationDistance=s.attenuationDistance||0;const a=s.attenuationColor||[1,1,1];return e.attenuationColor=new Vt(a[0],a[1],a[2]),Promise.all(r)}}class Wc{constructor(t){this.parser=t,this.name=Uc.KHR_MATERIALS_IOR}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Yo:null}extendMaterialParams(t,e){const n=this.parser.json.materials[t];if(!n.extensions||!n.extensions[this.name])return Promise.resolve();const i=n.extensions[this.name];return e.ior=void 0!==i.ior?i.ior:1.5,Promise.resolve()}}class jc{constructor(t){this.parser=t,this.name=Uc.KHR_MATERIALS_SPECULAR}getMaterialType(t){const e=this.parser.json.materials[t];return e.extensions&&e.extensions[this.name]?Yo:null}extendMaterialParams(t,e){const n=this.parser,i=n.json.materials[t];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],s=i.extensions[this.name];e.specularIntensity=void 0!==s.specularFactor?s.specularFactor:1,void 0!==s.specularTexture&&r.push(n.assignTexture(e,"specularIntensityMap",s.specularTexture));const a=s.specularColorFactor||[1,1,1];return e.specularColor=new Vt(a[0],a[1],a[2]),void 0!==s.specularColorTexture&&r.push(n.assignTexture(e,"specularColorMap",s.specularColorTexture,ot)),Promise.all(r)}}class qc{constructor(t){this.parser=t,this.name=Uc.KHR_TEXTURE_BASISU}loadTexture(t){const e=this.parser,n=e.json,i=n.textures[t];if(!i.extensions||!i.extensions[this.name])return null;const r=i.extensions[this.name],s=e.options.ktx2Loader;if(!s){if(n.extensionsRequired&&n.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return e.loadTextureImage(t,r.source,s)}}class Xc{constructor(t){this.parser=t,this.name=Uc.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(t){const e=this.name,n=this.parser,i=n.json,r=i.textures[t];if(!r.extensions||!r.extensions[e])return null;const s=r.extensions[e],a=i.images[s.source];let o=n.textureLoader;if(a.uri){const t=n.options.manager.getHandler(a.uri);null!==t&&(o=t)}return this.detectSupport().then((function(r){if(r)return n.loadTextureImage(t,s.source,o);if(i.extensionsRequired&&i.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return n.loadTexture(t)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(t){const e=new Image;e.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",e.onload=e.onerror=function(){t(1===e.height)}}))),this.isSupported}}class $c{constructor(t){this.name=Uc.EXT_MESHOPT_COMPRESSION,this.parser=t}loadBufferView(t){const e=this.parser.json,n=e.bufferViews[t];if(n.extensions&&n.extensions[this.name]){const t=n.extensions[this.name],i=this.parser.getDependency("buffer",t.buffer),r=this.parser.options.meshoptDecoder;if(!r||!r.supported){if(e.extensionsRequired&&e.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return Promise.all([i,r.ready]).then((function(e){const n=t.byteOffset||0,i=t.byteLength||0,s=t.count,a=t.byteStride,o=new ArrayBuffer(s*a),l=new Uint8Array(e[0],n,i);return r.decodeGltfBuffer(new Uint8Array(o),s,a,l,t.mode,t.filter),o}))}return null}}const Yc="glTF";class Zc{constructor(t){this.name=Uc.KHR_BINARY_GLTF,this.content=null,this.body=null;const e=new DataView(t,0,12);if(this.header={magic:Gl.decodeText(new Uint8Array(t.slice(0,4))),version:e.getUint32(4,!0),length:e.getUint32(8,!0)},this.header.magic!==Yc)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const n=this.header.length-12,i=new DataView(t,12);let r=0;for(;r<n;){const e=i.getUint32(r,!0);r+=4;const n=i.getUint32(r,!0);if(r+=4,1313821514===n){const n=new Uint8Array(t,12+r,e);this.content=Gl.decodeText(n)}else if(5130562===n){const n=12+r;this.body=t.slice(n,n+e)}r+=e}if(null===this.content)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class Jc{constructor(t,e){if(!e)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=Uc.KHR_DRACO_MESH_COMPRESSION,this.json=t,this.dracoLoader=e,this.dracoLoader.preload()}decodePrimitive(t,e){const n=this.json,i=this.dracoLoader,r=t.extensions[this.name].bufferView,s=t.extensions[this.name].attributes,a={},o={},l={};for(const t in s){const e=hu[t]||t.toLowerCase();a[e]=s[t]}for(const e in t.attributes){const i=hu[e]||e.toLowerCase();if(void 0!==s[e]){const r=n.accessors[t.attributes[e]],s=su[r.componentType];l[i]=s,o[i]=!0===r.normalized}}return e.getDependency("bufferView",r).then((function(t){return new Promise((function(e){i.decodeDracoFile(t,(function(t){for(const e in t.attributes){const n=t.attributes[e],i=o[e];void 0!==i&&(n.normalized=i)}e(t)}),a,l)}))}))}}class Kc{constructor(){this.name=Uc.KHR_TEXTURE_TRANSFORM}extendTexture(t,e){return void 0!==e.texCoord&&console.warn('THREE.GLTFLoader: Custom UV sets in "'+this.name+'" extension not yet supported.'),void 0===e.offset&&void 0===e.rotation&&void 0===e.scale||(t=t.clone(),void 0!==e.offset&&t.offset.fromArray(e.offset),void 0!==e.rotation&&(t.rotation=e.rotation),void 0!==e.scale&&t.repeat.fromArray(e.scale),t.needsUpdate=!0),t}}class Qc extends $o{constructor(t){super(),this.isGLTFSpecularGlossinessMaterial=!0;const e=["#ifdef USE_SPECULARMAP","\tuniform sampler2D specularMap;","#endif"].join("\n"),n=["#ifdef USE_GLOSSINESSMAP","\tuniform sampler2D glossinessMap;","#endif"].join("\n"),i=["vec3 specularFactor = specular;","#ifdef USE_SPECULARMAP","\tvec4 texelSpecular = texture2D( specularMap, vUv );","\t// reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture","\tspecularFactor *= texelSpecular.rgb;","#endif"].join("\n"),r=["float glossinessFactor = glossiness;","#ifdef USE_GLOSSINESSMAP","\tvec4 texelGlossiness = texture2D( glossinessMap, vUv );","\t// reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture","\tglossinessFactor *= texelGlossiness.a;","#endif"].join("\n"),s=["PhysicalMaterial material;","material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );","vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );","float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );","material.roughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.","material.roughness += geometryRoughness;","material.roughness = min( material.roughness, 1.0 );","material.specularColor = specularFactor;"].join("\n"),a={specular:{value:(new Vt).setHex(16777215)},glossiness:{value:1},specularMap:{value:null},glossinessMap:{value:null}};this._extraUniforms=a,this.onBeforeCompile=function(t){for(const e in a)t.uniforms[e]=a[e];t.fragmentShader=t.fragmentShader.replace("uniform float roughness;","uniform vec3 specular;").replace("uniform float metalness;","uniform float glossiness;").replace("#include <roughnessmap_pars_fragment>",e).replace("#include <metalnessmap_pars_fragment>",n).replace("#include <roughnessmap_fragment>",i).replace("#include <metalnessmap_fragment>",r).replace("#include <lights_physical_fragment>",s)},Object.defineProperties(this,{specular:{get:function(){return a.specular.value},set:function(t){a.specular.value=t}},specularMap:{get:function(){return a.specularMap.value},set:function(t){a.specularMap.value=t,t?this.defines.USE_SPECULARMAP="":delete this.defines.USE_SPECULARMAP}},glossiness:{get:function(){return a.glossiness.value},set:function(t){a.glossiness.value=t}},glossinessMap:{get:function(){return a.glossinessMap.value},set:function(t){a.glossinessMap.value=t,t?(this.defines.USE_GLOSSINESSMAP="",this.defines.USE_UV=""):(delete this.defines.USE_GLOSSINESSMAP,delete this.defines.USE_UV)}}}),delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this.setValues(t)}copy(t){return super.copy(t),this.specularMap=t.specularMap,this.specular.copy(t.specular),this.glossinessMap=t.glossinessMap,this.glossiness=t.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this}}class tu{constructor(){this.name=Uc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,this.specularGlossinessParams=["color","map","lightMap","lightMapIntensity","aoMap","aoMapIntensity","emissive","emissiveIntensity","emissiveMap","bumpMap","bumpScale","normalMap","normalMapType","displacementMap","displacementScale","displacementBias","specularMap","specular","glossinessMap","glossiness","alphaMap","envMap","envMapIntensity"]}getMaterialType(){return Qc}extendParams(t,e,n){const i=e.extensions[this.name];t.color=new Vt(1,1,1),t.opacity=1;const r=[];if(Array.isArray(i.diffuseFactor)){const e=i.diffuseFactor;t.color.fromArray(e),t.opacity=e[3]}if(void 0!==i.diffuseTexture&&r.push(n.assignTexture(t,"map",i.diffuseTexture,ot)),t.emissive=new Vt(0,0,0),t.glossiness=void 0!==i.glossinessFactor?i.glossinessFactor:1,t.specular=new Vt(1,1,1),Array.isArray(i.specularFactor)&&t.specular.fromArray(i.specularFactor),void 0!==i.specularGlossinessTexture){const e=i.specularGlossinessTexture;r.push(n.assignTexture(t,"glossinessMap",e)),r.push(n.assignTexture(t,"specularMap",e,ot))}return Promise.all(r)}createMaterial(t){const e=new Qc(t);return e.fog=!0,e.color=t.color,e.map=void 0===t.map?null:t.map,e.lightMap=null,e.lightMapIntensity=1,e.aoMap=void 0===t.aoMap?null:t.aoMap,e.aoMapIntensity=1,e.emissive=t.emissive,e.emissiveIntensity=1,e.emissiveMap=void 0===t.emissiveMap?null:t.emissiveMap,e.bumpMap=void 0===t.bumpMap?null:t.bumpMap,e.bumpScale=1,e.normalMap=void 0===t.normalMap?null:t.normalMap,e.normalMapType=0,t.normalScale&&(e.normalScale=t.normalScale),e.displacementMap=null,e.displacementScale=1,e.displacementBias=0,e.specularMap=void 0===t.specularMap?null:t.specularMap,e.specular=t.specular,e.glossinessMap=void 0===t.glossinessMap?null:t.glossinessMap,e.glossiness=t.glossiness,e.alphaMap=null,e.envMap=void 0===t.envMap?null:t.envMap,e.envMapIntensity=1,e}}class eu{constructor(){this.name=Uc.KHR_MESH_QUANTIZATION}}class nu extends rl{constructor(t,e,n,i){super(t,e,n,i)}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i*3+i;for(let t=0;t!==i;t++)e[t]=n[r+t];return e}}nu.prototype.beforeStart_=nu.prototype.copySampleValue_,nu.prototype.afterEnd_=nu.prototype.copySampleValue_,nu.prototype.interpolate_=function(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=2*a,l=3*a,h=i-e,c=(n-e)/h,u=c*c,d=u*c,p=t*l,m=p-l,f=-2*d+3*u,g=d-u,v=1-f,y=g-u+c;for(let t=0;t!==a;t++){const e=s[m+t+a],n=s[m+t+o]*h,i=s[p+t+a],l=s[p+t]*h;r[t]=v*e+y*n+f*i+g*l}return r};const iu=new Qt;class ru extends nu{interpolate_(t,e,n,i){const r=super.interpolate_(t,e,n,i);return iu.fromArray(r).normalize().toArray(r),r}}const su={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},au={9728:R,9729:P,9984:C,9985:1007,9986:L,9987:I},ou={33071:E,33648:A,10497:T},lu={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},hu={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv2",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},cu={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},uu={CUBICSPLINE:void 0,LINEAR:et,STEP:tt};function du(t){return void 0===t.DefaultMaterial&&(t.DefaultMaterial=new $o({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),t.DefaultMaterial}function pu(t,e,n){for(const i in n.extensions)void 0===t[i]&&(e.userData.gltfExtensions=e.userData.gltfExtensions||{},e.userData.gltfExtensions[i]=n.extensions[i])}function mu(t,e){void 0!==e.extras&&("object"==typeof e.extras?Object.assign(t.userData,e.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+e.extras))}function fu(t,e){if(t.updateMorphTargets(),void 0!==e.weights)for(let n=0,i=e.weights.length;n<i;n++)t.morphTargetInfluences[n]=e.weights[n];if(e.extras&&Array.isArray(e.extras.targetNames)){const n=e.extras.targetNames;if(t.morphTargetInfluences.length===n.length){t.morphTargetDictionary={};for(let e=0,i=n.length;e<i;e++)t.morphTargetDictionary[n[e]]=e}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function gu(t){const e=t.extensions&&t.extensions[Uc.KHR_DRACO_MESH_COMPRESSION];let n;return n=e?"draco:"+e.bufferView+":"+e.indices+":"+vu(e.attributes):t.indices+":"+vu(t.attributes)+":"+t.mode,n}function vu(t){let e="";const n=Object.keys(t).sort();for(let i=0,r=n.length;i<r;i++)e+=n[i]+":"+t[n[i]]+";";return e}function yu(t){switch(t){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}class xu{constructor(t={},e={}){this.json=t,this.extensions={},this.plugins={},this.options=e,this.cache=new Fc,this.associations=new Map,this.primitiveCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={},"undefined"!=typeof createImageBitmap&&!1===/^((?!chrome|android).)*safari/i.test(navigator.userAgent)?this.textureLoader=new Wl(this.options.manager):this.textureLoader=new El(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new wl(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),"use-credentials"===this.options.crossOrigin&&this.fileLoader.setWithCredentials(!0)}setExtensions(t){this.extensions=t}setPlugins(t){this.plugins=t}parse(t,e){const n=this,i=this.json,r=this.extensions;this.cache.removeAll(),this._invokeAll((function(t){return t._markDefs&&t._markDefs()})),Promise.all(this._invokeAll((function(t){return t.beforeRoot&&t.beforeRoot()}))).then((function(){return Promise.all([n.getDependencies("scene"),n.getDependencies("animation"),n.getDependencies("camera")])})).then((function(e){const s={scene:e[0][i.scene||0],scenes:e[0],animations:e[1],cameras:e[2],asset:i.asset,parser:n,userData:{}};pu(r,s,i),mu(s,i),Promise.all(n._invokeAll((function(t){return t.afterRoot&&t.afterRoot(s)}))).then((function(){t(s)}))})).catch(e)}_markDefs(){const t=this.json.nodes||[],e=this.json.skins||[],n=this.json.meshes||[];for(let n=0,i=e.length;n<i;n++){const i=e[n].joints;for(let e=0,n=i.length;e<n;e++)t[i[e]].isBone=!0}for(let e=0,i=t.length;e<i;e++){const i=t[e];void 0!==i.mesh&&(this._addNodeRef(this.meshCache,i.mesh),void 0!==i.skin&&(n[i.mesh].isSkinnedMesh=!0)),void 0!==i.camera&&this._addNodeRef(this.cameraCache,i.camera)}}_addNodeRef(t,e){void 0!==e&&(void 0===t.refs[e]&&(t.refs[e]=t.uses[e]=0),t.refs[e]++)}_getNodeRef(t,e,n){if(t.refs[e]<=1)return n;const i=n.clone(),r=(t,e)=>{const n=this.associations.get(t);null!=n&&this.associations.set(e,n);for(const[n,i]of t.children.entries())r(i,e.children[n])};return r(n,i),i.name+="_instance_"+t.uses[e]++,i}_invokeOne(t){const e=Object.values(this.plugins);e.push(this);for(let n=0;n<e.length;n++){const i=t(e[n]);if(i)return i}return null}_invokeAll(t){const e=Object.values(this.plugins);e.unshift(this);const n=[];for(let i=0;i<e.length;i++){const r=t(e[i]);r&&n.push(r)}return n}getDependency(t,e){const n=t+":"+e;let i=this.cache.get(n);if(!i){switch(t){case"scene":i=this.loadScene(e);break;case"node":i=this.loadNode(e);break;case"mesh":i=this._invokeOne((function(t){return t.loadMesh&&t.loadMesh(e)}));break;case"accessor":i=this.loadAccessor(e);break;case"bufferView":i=this._invokeOne((function(t){return t.loadBufferView&&t.loadBufferView(e)}));break;case"buffer":i=this.loadBuffer(e);break;case"material":i=this._invokeOne((function(t){return t.loadMaterial&&t.loadMaterial(e)}));break;case"texture":i=this._invokeOne((function(t){return t.loadTexture&&t.loadTexture(e)}));break;case"skin":i=this.loadSkin(e);break;case"animation":i=this.loadAnimation(e);break;case"camera":i=this.loadCamera(e);break;default:throw new Error("Unknown type: "+t)}this.cache.add(n,i)}return i}getDependencies(t){let e=this.cache.get(t);if(!e){const n=this,i=this.json[t+("mesh"===t?"es":"s")]||[];e=Promise.all(i.map((function(e,i){return n.getDependency(t,i)}))),this.cache.add(t,e)}return e}loadBuffer(t){const e=this.json.buffers[t],n=this.fileLoader;if(e.type&&"arraybuffer"!==e.type)throw new Error("THREE.GLTFLoader: "+e.type+" buffer type is not supported.");if(void 0===e.uri&&0===t)return Promise.resolve(this.extensions[Uc.KHR_BINARY_GLTF].body);const i=this.options;return new Promise((function(t,r){n.load(Gl.resolveURL(e.uri,i.path),t,void 0,(function(){r(new Error('THREE.GLTFLoader: Failed to load buffer "'+e.uri+'".'))}))}))}loadBufferView(t){const e=this.json.bufferViews[t];return this.getDependency("buffer",e.buffer).then((function(t){const n=e.byteLength||0,i=e.byteOffset||0;return t.slice(i,i+n)}))}loadAccessor(t){const e=this,n=this.json,i=this.json.accessors[t];if(void 0===i.bufferView&&void 0===i.sparse)return Promise.resolve(null);const r=[];return void 0!==i.bufferView?r.push(this.getDependency("bufferView",i.bufferView)):r.push(null),void 0!==i.sparse&&(r.push(this.getDependency("bufferView",i.sparse.indices.bufferView)),r.push(this.getDependency("bufferView",i.sparse.values.bufferView))),Promise.all(r).then((function(t){const r=t[0],s=lu[i.type],a=su[i.componentType],o=a.BYTES_PER_ELEMENT,l=o*s,h=i.byteOffset||0,c=void 0!==i.bufferView?n.bufferViews[i.bufferView].byteStride:void 0,u=!0===i.normalized;let d,p;if(c&&c!==l){const t=Math.floor(h/c),n="InterleavedBuffer:"+i.bufferView+":"+i.componentType+":"+t+":"+i.count;let l=e.cache.get(n);l||(d=new a(r,t*c,i.count*c/o),l=new $s(d,c/o),e.cache.add(n,l)),p=new Zs(l,s,h%c/o,u)}else d=null===r?new a(i.count*s):new a(r,h,i.count*s),p=new bn(d,s,u);if(void 0!==i.sparse){const e=lu.SCALAR,n=su[i.sparse.indices.componentType],o=i.sparse.indices.byteOffset||0,l=i.sparse.values.byteOffset||0,h=new n(t[1],o,i.sparse.count*e),c=new a(t[2],l,i.sparse.count*s);null!==r&&(p=new bn(p.array.slice(),p.itemSize,p.normalized));for(let t=0,e=h.length;t<e;t++){const e=h[t];if(p.setX(e,c[t*s]),s>=2&&p.setY(e,c[t*s+1]),s>=3&&p.setZ(e,c[t*s+2]),s>=4&&p.setW(e,c[t*s+3]),s>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return p}))}loadTexture(t){const e=this.json,n=this.options,i=e.textures[t].source,r=e.images[i];let s=this.textureLoader;if(r.uri){const t=n.manager.getHandler(r.uri);null!==t&&(s=t)}return this.loadTextureImage(t,i,s)}loadTextureImage(t,e,n){const i=this,r=this.json,s=r.textures[t],a=r.images[e],o=(a.uri||a.bufferView)+":"+s.sampler;if(this.textureCache[o])return this.textureCache[o];const l=this.loadImageSource(e,n).then((function(e){e.flipY=!1,s.name&&(e.name=s.name);const n=(r.samplers||{})[s.sampler]||{};return e.magFilter=au[n.magFilter]||P,e.minFilter=au[n.minFilter]||I,e.wrapS=ou[n.wrapS]||T,e.wrapT=ou[n.wrapT]||T,i.associations.set(e,{textures:t}),e})).catch((function(){return null}));return this.textureCache[o]=l,l}loadImageSource(t,e){const n=this.json,i=this.options;if(void 0!==this.sourceCache[t])return this.sourceCache[t].then((t=>t.clone()));const r=n.images[t],s=self.URL||self.webkitURL;let a=r.uri||"",o=!1;if(void 0!==r.bufferView)a=this.getDependency("bufferView",r.bufferView).then((function(t){o=!0;const e=new Blob([t],{type:r.mimeType});return a=s.createObjectURL(e),a}));else if(void 0===r.uri)throw new Error("THREE.GLTFLoader: Image "+t+" is missing URI and bufferView");const l=Promise.resolve(a).then((function(t){return new Promise((function(n,r){let s=n;!0===e.isImageBitmapLoader&&(s=function(t){const e=new $t(t);e.needsUpdate=!0,n(e)}),e.load(Gl.resolveURL(t,i.path),s,void 0,r)}))})).then((function(t){var e;return!0===o&&s.revokeObjectURL(a),t.userData.mimeType=r.mimeType||((e=r.uri).search(/\.jpe?g($|\?)/i)>0||0===e.search(/^data\:image\/jpeg/)?"image/jpeg":e.search(/\.webp($|\?)/i)>0||0===e.search(/^data\:image\/webp/)?"image/webp":"image/png"),t})).catch((function(t){throw console.error("THREE.GLTFLoader: Couldn't load texture",a),t}));return this.sourceCache[t]=l,l}assignTexture(t,e,n,i){const r=this;return this.getDependency("texture",n.index).then((function(s){if(void 0===n.texCoord||0==n.texCoord||"aoMap"===e&&1==n.texCoord||console.warn("THREE.GLTFLoader: Custom UV set "+n.texCoord+" for texture "+e+" not yet supported."),r.extensions[Uc.KHR_TEXTURE_TRANSFORM]){const t=void 0!==n.extensions?n.extensions[Uc.KHR_TEXTURE_TRANSFORM]:void 0;if(t){const e=r.associations.get(s);s=r.extensions[Uc.KHR_TEXTURE_TRANSFORM].extendTexture(s,t),r.associations.set(s,e)}}return void 0!==i&&(s.encoding=i),t[e]=s,s}))}assignFinalMaterial(t){const e=t.geometry;let n=t.material;const i=void 0===e.attributes.tangent,r=void 0!==e.attributes.color,s=void 0===e.attributes.normal;if(t.isPoints){const t="PointsMaterial:"+n.uuid;let e=this.cache.get(t);e||(e=new Ba,gn.prototype.copy.call(e,n),e.color.copy(n.color),e.map=n.map,e.sizeAttenuation=!1,this.cache.add(t,e)),n=e}else if(t.isLine){const t="LineBasicMaterial:"+n.uuid;let e=this.cache.get(t);e||(e=new Ra,gn.prototype.copy.call(e,n),e.color.copy(n.color),this.cache.add(t,e)),n=e}if(i||r||s){let t="ClonedMaterial:"+n.uuid+":";n.isGLTFSpecularGlossinessMaterial&&(t+="specular-glossiness:"),i&&(t+="derivative-tangents:"),r&&(t+="vertex-colors:"),s&&(t+="flat-shading:");let e=this.cache.get(t);e||(e=n.clone(),r&&(e.vertexColors=!0),s&&(e.flatShading=!0),i&&(e.normalScale&&(e.normalScale.y*=-1),e.clearcoatNormalScale&&(e.clearcoatNormalScale.y*=-1)),this.cache.add(t,e),this.associations.set(e,this.associations.get(n))),n=e}n.aoMap&&void 0===e.attributes.uv2&&void 0!==e.attributes.uv&&e.setAttribute("uv2",e.attributes.uv),t.material=n}getMaterialType(){return $o}loadMaterial(t){const e=this,n=this.json,i=this.extensions,r=n.materials[t];let s;const a={},o=r.extensions||{},l=[];if(o[Uc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]){const t=i[Uc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];s=t.getMaterialType(),l.push(t.extendParams(a,r,e))}else if(o[Uc.KHR_MATERIALS_UNLIT]){const t=i[Uc.KHR_MATERIALS_UNLIT];s=t.getMaterialType(),l.push(t.extendParams(a,r,e))}else{const n=r.pbrMetallicRoughness||{};if(a.color=new Vt(1,1,1),a.opacity=1,Array.isArray(n.baseColorFactor)){const t=n.baseColorFactor;a.color.fromArray(t),a.opacity=t[3]}void 0!==n.baseColorTexture&&l.push(e.assignTexture(a,"map",n.baseColorTexture,ot)),a.metalness=void 0!==n.metallicFactor?n.metallicFactor:1,a.roughness=void 0!==n.roughnessFactor?n.roughnessFactor:1,void 0!==n.metallicRoughnessTexture&&(l.push(e.assignTexture(a,"metalnessMap",n.metallicRoughnessTexture)),l.push(e.assignTexture(a,"roughnessMap",n.metallicRoughnessTexture))),s=this._invokeOne((function(e){return e.getMaterialType&&e.getMaterialType(t)})),l.push(Promise.all(this._invokeAll((function(e){return e.extendMaterialParams&&e.extendMaterialParams(t,a)}))))}!0===r.doubleSided&&(a.side=2);const h=r.alphaMode||"OPAQUE";if("BLEND"===h?(a.transparent=!0,a.depthWrite=!1):(a.transparent=!1,"MASK"===h&&(a.alphaTest=void 0!==r.alphaCutoff?r.alphaCutoff:.5)),void 0!==r.normalTexture&&s!==vn&&(l.push(e.assignTexture(a,"normalMap",r.normalTexture)),a.normalScale=new Rt(1,1),void 0!==r.normalTexture.scale)){const t=r.normalTexture.scale;a.normalScale.set(t,t)}return void 0!==r.occlusionTexture&&s!==vn&&(l.push(e.assignTexture(a,"aoMap",r.occlusionTexture)),void 0!==r.occlusionTexture.strength&&(a.aoMapIntensity=r.occlusionTexture.strength)),void 0!==r.emissiveFactor&&s!==vn&&(a.emissive=(new Vt).fromArray(r.emissiveFactor)),void 0!==r.emissiveTexture&&s!==vn&&l.push(e.assignTexture(a,"emissiveMap",r.emissiveTexture,ot)),Promise.all(l).then((function(){let n;return n=s===Qc?i[Uc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(a):new s(a),r.name&&(n.name=r.name),mu(n,r),e.associations.set(n,{materials:t}),r.extensions&&pu(i,n,r),n}))}createUniqueName(t){const e=rh.sanitizeNodeName(t||"");let n=e;for(let t=1;this.nodeNamesUsed[n];++t)n=e+"_"+t;return this.nodeNamesUsed[n]=!0,n}loadGeometries(t){const e=this,n=this.extensions,i=this.primitiveCache;function r(t){return n[Uc.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(t,e).then((function(n){return _u(n,t,e)}))}const s=[];for(let n=0,a=t.length;n<a;n++){const a=t[n],o=gu(a),l=i[o];if(l)s.push(l.promise);else{let t;t=a.extensions&&a.extensions[Uc.KHR_DRACO_MESH_COMPRESSION]?r(a):_u(new Pn,a,e),i[o]={primitive:a,promise:t},s.push(t)}}return Promise.all(s)}loadMesh(t){const e=this,n=this.json,i=this.extensions,r=n.meshes[t],s=r.primitives,a=[];for(let t=0,e=s.length;t<e;t++){const e=void 0===s[t].material?du(this.cache):this.getDependency("material",s[t].material);a.push(e)}return a.push(e.loadGeometries(s)),Promise.all(a).then((function(n){const a=n.slice(0,n.length-1),o=n[n.length-1],l=[];for(let n=0,h=o.length;n<h;n++){const h=o[n],c=s[n];let u;const d=a[n];if(4===c.mode||5===c.mode||6===c.mode||void 0===c.mode)u=!0===r.isSkinnedMesh?new va(h,d):new Yn(h,d),!0!==u.isSkinnedMesh||u.geometry.attributes.skinWeight.normalized||u.normalizeSkinWeights(),5===c.mode?u.geometry=wu(u.geometry,1):6===c.mode&&(u.geometry=wu(u.geometry,2));else if(1===c.mode)u=new Ua(h,d);else if(3===c.mode)u=new Oa(h,d);else if(2===c.mode)u=new ka(h,d);else{if(0!==c.mode)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+c.mode);u=new Wa(h,d)}Object.keys(u.geometry.morphAttributes).length>0&&fu(u,r),u.name=e.createUniqueName(r.name||"mesh_"+t),mu(u,r),c.extensions&&pu(i,u,c),e.assignFinalMaterial(u),l.push(u)}for(let n=0,i=l.length;n<i;n++)e.associations.set(l[n],{meshes:t,primitives:n});if(1===l.length)return l[0];const h=new zs;e.associations.set(h,{meshes:t});for(let t=0,e=l.length;t<e;t++)h.add(l[t]);return h}))}loadCamera(t){let e;const n=this.json.cameras[t],i=n[n.type];if(i)return"perspective"===n.type?e=new ii(At.radToDeg(i.yfov),i.aspectRatio||1,i.znear||1,i.zfar||2e6):"orthographic"===n.type&&(e=new Ai(-i.xmag,i.xmag,i.ymag,-i.ymag,i.znear,i.zfar)),n.name&&(e.name=this.createUniqueName(n.name)),mu(e,n),Promise.resolve(e);console.warn("THREE.GLTFLoader: Missing camera parameters.")}loadSkin(t){const e=this.json.skins[t],n={joints:e.joints};return void 0===e.inverseBindMatrices?Promise.resolve(n):this.getDependency("accessor",e.inverseBindMatrices).then((function(t){return n.inverseBindMatrices=t,n}))}loadAnimation(t){const e=this.json.animations[t],n=[],i=[],r=[],s=[],a=[];for(let t=0,o=e.channels.length;t<o;t++){const o=e.channels[t],l=e.samplers[o.sampler],h=o.target,c=void 0!==h.node?h.node:h.id,u=void 0!==e.parameters?e.parameters[l.input]:l.input,d=void 0!==e.parameters?e.parameters[l.output]:l.output;n.push(this.getDependency("node",c)),i.push(this.getDependency("accessor",u)),r.push(this.getDependency("accessor",d)),s.push(l),a.push(h)}return Promise.all([Promise.all(n),Promise.all(i),Promise.all(r),Promise.all(s),Promise.all(a)]).then((function(n){const i=n[0],r=n[1],s=n[2],a=n[3],o=n[4],l=[];for(let t=0,e=i.length;t<e;t++){const e=i[t],n=r[t],h=s[t],c=a[t],u=o[t];if(void 0===e)continue;let d;switch(e.updateMatrix(),e.matrixAutoUpdate=!0,cu[u.path]){case cu.weights:d=ul;break;case cu.rotation:d=pl;break;default:d=fl}const p=e.name?e.name:e.uuid,m=void 0!==c.interpolation?uu[c.interpolation]:et,f=[];cu[u.path]===cu.weights?e.traverse((function(t){t.morphTargetInfluences&&f.push(t.name?t.name:t.uuid)})):f.push(p);let g=h.array;if(h.normalized){const t=yu(g.constructor),e=new Float32Array(g.length);for(let n=0,i=g.length;n<i;n++)e[n]=g[n]*t;g=e}for(let t=0,e=f.length;t<e;t++){const e=new d(f[t]+"."+cu[u.path],n.array,g,m);"CUBICSPLINE"===c.interpolation&&(e.createInterpolant=function(t){return new(this instanceof pl?ru:nu)(this.times,this.values,this.getValueSize()/3,t)},e.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0),l.push(e)}}const h=e.name?e.name:"animation_"+t;return new gl(h,void 0,l)}))}createNodeMesh(t){const e=this.json,n=this,i=e.nodes[t];return void 0===i.mesh?null:n.getDependency("mesh",i.mesh).then((function(t){const e=n._getNodeRef(n.meshCache,i.mesh,t);return void 0!==i.weights&&e.traverse((function(t){if(t.isMesh)for(let e=0,n=i.weights.length;e<n;e++)t.morphTargetInfluences[e]=i.weights[e]})),e}))}loadNode(t){const e=this.json,n=this.extensions,i=this,r=e.nodes[t],s=r.name?i.createUniqueName(r.name):"";return function(){const e=[],n=i._invokeOne((function(e){return e.createNodeMesh&&e.createNodeMesh(t)}));return n&&e.push(n),void 0!==r.camera&&e.push(i.getDependency("camera",r.camera).then((function(t){return i._getNodeRef(i.cameraCache,r.camera,t)}))),i._invokeAll((function(e){return e.createNodeAttachment&&e.createNodeAttachment(t)})).forEach((function(t){e.push(t)})),Promise.all(e)}().then((function(e){let a;if(a=!0===r.isBone?new ya:e.length>1?new zs:1===e.length?e[0]:new nn,a!==e[0])for(let t=0,n=e.length;t<n;t++)a.add(e[t]);if(r.name&&(a.userData.name=r.name,a.name=s),mu(a,r),r.extensions&&pu(n,a,r),void 0!==r.matrix){const t=new Pe;t.fromArray(r.matrix),a.applyMatrix4(t)}else void 0!==r.translation&&a.position.fromArray(r.translation),void 0!==r.rotation&&a.quaternion.fromArray(r.rotation),void 0!==r.scale&&a.scale.fromArray(r.scale);return i.associations.has(a)||i.associations.set(a,{}),i.associations.get(a).nodes=t,a}))}loadScene(t){const e=this.json,n=this.extensions,i=this.json.scenes[t],r=this,s=new zs;i.name&&(s.name=r.createUniqueName(i.name)),mu(s,i),i.extensions&&pu(n,s,i);const a=i.nodes||[],o=[];for(let t=0,n=a.length;t<n;t++)o.push(bu(a[t],s,e,r));return Promise.all(o).then((function(){return r.associations=(t=>{const e=new Map;for(const[t,n]of r.associations)(t instanceof gn||t instanceof $t)&&e.set(t,n);return t.traverse((t=>{const n=r.associations.get(t);null!=n&&e.set(t,n)})),e})(s),s}))}}function bu(t,e,n,i){const r=n.nodes[t];return i.getDependency("node",t).then((function(t){if(void 0===r.skin)return t;let e;return i.getDependency("skin",r.skin).then((function(t){e=t;const n=[];for(let t=0,r=e.joints.length;t<r;t++)n.push(i.getDependency("node",e.joints[t]));return Promise.all(n)})).then((function(n){return t.traverse((function(t){if(!t.isMesh)return;const i=[],r=[];for(let t=0,s=n.length;t<s;t++){const s=n[t];if(s){i.push(s);const n=new Pe;void 0!==e.inverseBindMatrices&&n.fromArray(e.inverseBindMatrices.array,16*t),r.push(n)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',e.joints[t])}t.bind(new wa(i,r),t.matrixWorld)})),t}))})).then((function(t){e.add(t);const s=[];if(r.children){const e=r.children;for(let r=0,a=e.length;r<a;r++){const a=e[r];s.push(bu(a,t,n,i))}}return Promise.all(s)}))}function _u(t,e,n){const i=e.attributes,r=[];function s(e,i){return n.getDependency("accessor",e).then((function(e){t.setAttribute(i,e)}))}for(const e in i){const n=hu[e]||e.toLowerCase();n in t.attributes||r.push(s(i[e],n))}if(void 0!==e.indices&&!t.index){const i=n.getDependency("accessor",e.indices).then((function(e){t.setIndex(e)}));r.push(i)}return mu(t,e),function(t,e,n){const i=e.attributes,r=new ie;if(void 0===i.POSITION)return;{const t=n.json.accessors[i.POSITION],e=t.min,s=t.max;if(void 0===e||void 0===s)return void console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");if(r.set(new te(e[0],e[1],e[2]),new te(s[0],s[1],s[2])),t.normalized){const e=yu(su[t.componentType]);r.min.multiplyScalar(e),r.max.multiplyScalar(e)}}const s=e.targets;if(void 0!==s){const t=new te,e=new te;for(let i=0,r=s.length;i<r;i++){const r=s[i];if(void 0!==r.POSITION){const i=n.json.accessors[r.POSITION],s=i.min,a=i.max;if(void 0!==s&&void 0!==a){if(e.setX(Math.max(Math.abs(s[0]),Math.abs(a[0]))),e.setY(Math.max(Math.abs(s[1]),Math.abs(a[1]))),e.setZ(Math.max(Math.abs(s[2]),Math.abs(a[2]))),i.normalized){const t=yu(su[i.componentType]);e.multiplyScalar(t)}t.max(e)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}r.expandByVector(t)}t.boundingBox=r;const a=new we;r.getCenter(a.center),a.radius=r.min.distanceTo(r.max)/2,t.boundingSphere=a}(t,e,n),Promise.all(r).then((function(){return void 0!==e.targets?function(t,e,n){let i=!1,r=!1,s=!1;for(let t=0,n=e.length;t<n;t++){const n=e[t];if(void 0!==n.POSITION&&(i=!0),void 0!==n.NORMAL&&(r=!0),void 0!==n.COLOR_0&&(s=!0),i&&r&&s)break}if(!i&&!r&&!s)return Promise.resolve(t);const a=[],o=[],l=[];for(let h=0,c=e.length;h<c;h++){const c=e[h];if(i){const e=void 0!==c.POSITION?n.getDependency("accessor",c.POSITION):t.attributes.position;a.push(e)}if(r){const e=void 0!==c.NORMAL?n.getDependency("accessor",c.NORMAL):t.attributes.normal;o.push(e)}if(s){const e=void 0!==c.COLOR_0?n.getDependency("accessor",c.COLOR_0):t.attributes.color;l.push(e)}}return Promise.all([Promise.all(a),Promise.all(o),Promise.all(l)]).then((function(e){const n=e[0],a=e[1],o=e[2];return i&&(t.morphAttributes.position=n),r&&(t.morphAttributes.normal=a),s&&(t.morphAttributes.color=o),t.morphTargetsRelative=!0,t}))}(t,e.targets,n):t}))}function wu(t,e){let n=t.getIndex();if(null===n){const e=[],i=t.getAttribute("position");if(void 0===i)return console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),t;for(let t=0;t<i.count;t++)e.push(t);t.setIndex(e),n=t.getIndex()}const i=n.count-2,r=[];if(2===e)for(let t=1;t<=i;t++)r.push(n.getX(0)),r.push(n.getX(t)),r.push(n.getX(t+1));else for(let t=0;t<i;t++)t%2==0?(r.push(n.getX(t)),r.push(n.getX(t+1)),r.push(n.getX(t+2))):(r.push(n.getX(t+2)),r.push(n.getX(t+1)),r.push(n.getX(t)));r.length/3!==i&&console.error("THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");const s=t.clone();return s.setIndex(r),s}class Mu{constructor(t=4){this.pool=t,this.queue=[],this.workers=[],this.workersResolve=[],this.workerStatus=0}_initWorker(t){if(!this.workers[t]){const e=this.workerCreator();e.addEventListener("message",this._onMessage.bind(this,t)),this.workers[t]=e}}_getIdleWorker(){for(let t=0;t<this.pool;t++)if(!(this.workerStatus&1<<t))return t;return-1}_onMessage(t,e){const n=this.workersResolve[t];if(n&&n(e),this.queue.length){const{resolve:e,msg:n,transfer:i}=this.queue.shift();this.workersResolve[t]=e,this.workers[t].postMessage(n,i)}else this.workerStatus^=1<<t}setWorkerCreator(t){this.workerCreator=t}setWorkerLimit(t){this.pool=t}postMessage(t,e){return new Promise((n=>{const i=this._getIdleWorker();-1!==i?(this._initWorker(i),this.workerStatus|=1<<i,this.workersResolve[i]=n,this.workers[i].postMessage(t,e)):this.queue.push({resolve:n,msg:t,transfer:e})}))}dispose(){this.workers.forEach((t=>t.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}const Su=new WeakMap;let Tu=0;class Eu extends bl{constructor(t){super(t),this.transcoderPath="",this.transcoderBinary=null,this.transcoderPending=null,this.workerPool=new Mu,this.workerSourceURL="",this.workerConfig=null,"undefined"!=typeof MSC_TRANSCODER&&console.warn('THREE.KTX2Loader: Please update to latest "basis_transcoder". "msc_basis_transcoder" is no longer supported in three.js r125+.')}setTranscoderPath(t){return this.transcoderPath=t,this}setWorkerLimit(t){return this.workerPool.setWorkerLimit(t),this}detectSupport(t){return this.workerConfig={astcSupported:t.extensions.has("WEBGL_compressed_texture_astc"),etc1Supported:t.extensions.has("WEBGL_compressed_texture_etc1"),etc2Supported:t.extensions.has("WEBGL_compressed_texture_etc"),dxtSupported:t.extensions.has("WEBGL_compressed_texture_s3tc"),bptcSupported:t.extensions.has("EXT_texture_compression_bptc"),pvrtcSupported:t.extensions.has("WEBGL_compressed_texture_pvrtc")||t.extensions.has("WEBKIT_WEBGL_compressed_texture_pvrtc")},t.capabilities.isWebGL2&&(this.workerConfig.etc1Supported=!1),this}init(){if(!this.transcoderPending){const t=new wl(this.manager);t.setPath(this.transcoderPath),t.setWithCredentials(this.withCredentials);const e=t.loadAsync("basis_transcoder.js"),n=new wl(this.manager);n.setPath(this.transcoderPath),n.setResponseType("arraybuffer"),n.setWithCredentials(this.withCredentials);const i=n.loadAsync("basis_transcoder.wasm");this.transcoderPending=Promise.all([e,i]).then((([t,e])=>{const n=Eu.BasisWorker.toString(),i=["/* constants */","let _EngineFormat = "+JSON.stringify(Eu.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(Eu.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(Eu.BasisFormat),"/* basis_transcoder.js */",t,"/* worker */",n.substring(n.indexOf("{")+1,n.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([i])),this.transcoderBinary=e,this.workerPool.setWorkerCreator((()=>{const t=new Worker(this.workerSourceURL),e=this.transcoderBinary.slice(0);return t.postMessage({type:"init",config:this.workerConfig,transcoderBinary:e},[e]),t}))})),Tu>0&&console.warn("THREE.KTX2Loader: Multiple active KTX2 loaders may cause performance issues. Use a single KTX2Loader instance, or call .dispose() on old instances."),Tu++}return this.transcoderPending}load(t,e,n,i){if(null===this.workerConfig)throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");const r=new wl(this.manager);r.setResponseType("arraybuffer"),r.setWithCredentials(this.withCredentials);const s=new qa;return r.load(t,(t=>{if(Su.has(t))return Su.get(t).promise.then(e).catch(i);this._createTexture([t]).then((function(t){s.copy(t),s.needsUpdate=!0,e&&e(s)})).catch(i)}),n,i),s}_createTextureFrom(t){const{mipmaps:e,width:n,height:i,format:r,type:s,error:a,dfdTransferFn:o,dfdFlags:l}=t;if("error"===s)return Promise.reject(a);const h=new qa(e,n,i,r,O);return h.minFilter=1===e.length?P:I,h.magFilter=P,h.generateMipmaps=!1,h.needsUpdate=!0,h.encoding=2===o?ot:at,h.premultiplyAlpha=!!(1&l),h}_createTexture(t,e={}){const n=e,i=this.init().then((()=>this.workerPool.postMessage({type:"transcode",buffers:t,taskConfig:n},t))).then((t=>this._createTextureFrom(t.data)));return Su.set(t[0],{promise:i}),i}dispose(){return this.workerPool.dispose(),this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),Tu--,this}}var Au,Ru;Eu.BasisFormat={ETC1S:0,UASTC_4x4:1},Eu.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},Eu.EngineFormat={RGBAFormat:z,RGBA_ASTC_4x4_Format:J,RGBA_BPTC_Format:K,RGBA_ETC2_EAC_Format:Z,RGBA_PVRTC_4BPPV1_Format:$,RGBA_S3TC_DXT5_Format:q,RGB_ETC1_Format:36196,RGB_ETC2_Format:Y,RGB_PVRTC_4BPPV1_Format:X,RGB_S3TC_DXT1_Format:G},Eu.BasisWorker=function(){let t,e,n;const i=_EngineFormat,r=_TranscoderFormat,s=_BasisFormat;self.addEventListener("message",(function(a){const c=a.data;switch(c.type){case"init":t=c.config,u=c.transcoderBinary,e=new Promise((t=>{n={wasmBinary:u,onRuntimeInitialized:t},BASIS(n)})).then((()=>{n.initializeBasis(),void 0===n.KTX2File&&console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.")}));break;case"transcode":e.then((()=>{try{const{width:e,height:a,hasAlpha:u,mipmaps:d,format:p,dfdTransferFn:m,dfdFlags:f}=function(e){const a=new n.KTX2File(new Uint8Array(e));function c(){a.close(),a.delete()}if(!a.isValid())throw c(),new Error("THREE.KTX2Loader:\tInvalid or unsupported .ktx2 file");const u=a.isUASTC()?s.UASTC_4x4:s.ETC1S,d=a.getWidth(),p=a.getHeight(),m=a.getLevels(),f=a.getHasAlpha(),g=a.getDFDTransferFunc(),v=a.getDFDFlags(),{transcoderFormat:y,engineFormat:x}=function(e,n,a,c){let u,d;const p=e===s.ETC1S?o:l;for(let i=0;i<p.length;i++){const r=p[i];if(t[r.if]&&r.basisFormat.includes(e)&&!(c&&r.transcoderFormat.length<2)&&(!r.needsPowerOfTwo||h(n)&&h(a)))return u=r.transcoderFormat[c?1:0],d=r.engineFormat[c?1:0],{transcoderFormat:u,engineFormat:d}}return console.warn("THREE.KTX2Loader: No suitable compressed texture format found. Decoding to RGBA32."),u=r.RGBA32,d=i.RGBAFormat,{transcoderFormat:u,engineFormat:d}}(u,d,p,f);if(!d||!p||!m)throw c(),new Error("THREE.KTX2Loader:\tInvalid texture");if(!a.startTranscoding())throw c(),new Error("THREE.KTX2Loader: .startTranscoding failed");const b=[];for(let t=0;t<m;t++){const e=a.getImageLevelInfo(t,0,0),n=e.origWidth,i=e.origHeight,r=new Uint8Array(a.getImageTranscodedSizeInBytes(t,0,0,y));if(!a.transcodeImage(r,t,0,0,y,0,-1,-1))throw c(),new Error("THREE.KTX2Loader: .transcodeImage failed.");b.push({data:r,width:n,height:i})}return c(),{width:d,height:p,hasAlpha:f,mipmaps:b,format:x,dfdTransferFn:g,dfdFlags:v}}(c.buffers[0]),g=[];for(let t=0;t<d.length;++t)g.push(d[t].data.buffer);self.postMessage({type:"transcode",id:c.id,width:e,height:a,hasAlpha:u,mipmaps:d,format:p,dfdTransferFn:m,dfdFlags:f},g)}catch(t){console.error(t),self.postMessage({type:"error",id:c.id,error:t.message})}}))}var u}));const a=[{if:"astcSupported",basisFormat:[s.UASTC_4x4],transcoderFormat:[r.ASTC_4x4,r.ASTC_4x4],engineFormat:[i.RGBA_ASTC_4x4_Format,i.RGBA_ASTC_4x4_Format],priorityETC1S:1/0,priorityUASTC:1,needsPowerOfTwo:!1},{if:"bptcSupported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.BC7_M5,r.BC7_M5],engineFormat:[i.RGBA_BPTC_Format,i.RGBA_BPTC_Format],priorityETC1S:3,priorityUASTC:2,needsPowerOfTwo:!1},{if:"dxtSupported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.BC1,r.BC3],engineFormat:[i.RGB_S3TC_DXT1_Format,i.RGBA_S3TC_DXT5_Format],priorityETC1S:4,priorityUASTC:5,needsPowerOfTwo:!1},{if:"etc2Supported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.ETC1,r.ETC2],engineFormat:[i.RGB_ETC2_Format,i.RGBA_ETC2_EAC_Format],priorityETC1S:1,priorityUASTC:3,needsPowerOfTwo:!1},{if:"etc1Supported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.ETC1],engineFormat:[i.RGB_ETC1_Format],priorityETC1S:2,priorityUASTC:4,needsPowerOfTwo:!1},{if:"pvrtcSupported",basisFormat:[s.ETC1S,s.UASTC_4x4],transcoderFormat:[r.PVRTC1_4_RGB,r.PVRTC1_4_RGBA],engineFormat:[i.RGB_PVRTC_4BPPV1_Format,i.RGBA_PVRTC_4BPPV1_Format],priorityETC1S:5,priorityUASTC:6,needsPowerOfTwo:!0}],o=a.sort((function(t,e){return t.priorityETC1S-e.priorityETC1S})),l=a.sort((function(t,e){return t.priorityUASTC-e.priorityUASTC}));function h(t){return t<=2||!(t&t-1)&&0!==t}};const Cu=Symbol("retainerCount"),Lu=Symbol("recentlyUsed"),Pu=Symbol("evict"),Du=Symbol("evictionThreshold"),Iu=Symbol("cache");class Ou{constructor(t,e=5){this[Au]=new Map,this[Ru]=[],this[Iu]=t,this[Du]=e}set evictionThreshold(t){this[Du]=t,this[Pu]()}get evictionThreshold(){return this[Du]}get cache(){return this[Iu]}retainerCount(t){return this[Cu].get(t)||0}reset(){this[Cu].clear(),this[Lu]=[]}retain(t){this[Cu].has(t)||this[Cu].set(t,0),this[Cu].set(t,this[Cu].get(t)+1);const e=this[Lu].indexOf(t);-1!==e&&this[Lu].splice(e,1),this[Lu].unshift(t),this[Pu]()}release(t){this[Cu].has(t)&&this[Cu].set(t,Math.max(this[Cu].get(t)-1,0)),this[Pu]()}[(Au=Cu,Ru=Lu,Pu)](){if(!(this[Lu].length<this[Du]))for(let t=this[Lu].length-1;t>=this[Du];--t){const e=this[Lu][t];0===this[Cu].get(e)&&(this[Iu].delete(e),this[Lu].splice(t,1))}}}const Nu=t=>{const e=new Map;for(const n of t.mappings)for(const t of n.variants)e.set(t,{material:null,gltfMaterialIndex:n.material});return e};class Fu{constructor(t){this.parser=t,this.name="KHR_materials_variants"}afterRoot(t){const e=this.parser,n=e.json;if(void 0===n.extensions||void 0===n.extensions[this.name])return null;const i=(t=>{const e=[],n=new Set;for(const i of t){let t=i,r=0;for(;n.has(t);)t=i+"."+ ++r;n.add(t),e.push(t)}return e})((n.extensions[this.name].variants||[]).map((t=>t.name)));for(const i of t.scenes)i.traverse((t=>{const i=t;if(!i.isMesh)return;const r=e.associations.get(i);if(null==r||null==r.meshes||null==r.primitives)return;const s=n.meshes[r.meshes].primitives[r.primitives].extensions;s&&s[this.name]&&(i.userData.variantMaterials=Nu(s[this.name]))}));return t.userData.variants=i,Promise.resolve()}}var Uu,ku;const Bu=new Map,zu=new Map;let Hu;const Vu=new class extends bl{constructor(t){super(t),this.decoderPath="",this.decoderConfig={},this.decoderBinary=null,this.decoderPending=null,this.workerLimit=4,this.workerPool=[],this.workerNextTaskID=1,this.workerSourceURL="",this.defaultAttributeIDs={position:"POSITION",normal:"NORMAL",color:"COLOR",uv:"TEX_COORD"},this.defaultAttributeTypes={position:"Float32Array",normal:"Float32Array",color:"Float32Array",uv:"Float32Array"}}setDecoderPath(t){return this.decoderPath=t,this}setDecoderConfig(t){return this.decoderConfig=t,this}setWorkerLimit(t){return this.workerLimit=t,this}load(t,e,n,i){const r=new wl(this.manager);r.setPath(this.path),r.setResponseType("arraybuffer"),r.setRequestHeader(this.requestHeader),r.setWithCredentials(this.withCredentials),r.load(t,(t=>{const n={attributeIDs:this.defaultAttributeIDs,attributeTypes:this.defaultAttributeTypes,useUniqueIDs:!1};this.decodeGeometry(t,n).then(e).catch(i)}),n,i)}decodeDracoFile(t,e,n,i){const r={attributeIDs:n||this.defaultAttributeIDs,attributeTypes:i||this.defaultAttributeTypes,useUniqueIDs:!!n};this.decodeGeometry(t,r).then(e)}decodeGeometry(t,e){for(const t in e.attributeTypes){const n=e.attributeTypes[t];void 0!==n.BYTES_PER_ELEMENT&&(e.attributeTypes[t]=n.name)}const n=JSON.stringify(e);if(Ic.has(t)){const e=Ic.get(t);if(e.key===n)return e.promise;if(0===t.byteLength)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}let i;const r=this.workerNextTaskID++,s=t.byteLength,a=this._getWorker(r,s).then((n=>(i=n,new Promise(((n,s)=>{i._callbacks[r]={resolve:n,reject:s},i.postMessage({type:"decode",id:r,taskConfig:e,buffer:t},[t])}))))).then((t=>this._createGeometry(t.geometry)));return a.catch((()=>!0)).then((()=>{i&&r&&this._releaseTask(i,r)})),Ic.set(t,{key:n,promise:a}),a}_createGeometry(t){const e=new Pn;t.index&&e.setIndex(new bn(t.index.array,1));for(let n=0;n<t.attributes.length;n++){const i=t.attributes[n],r=i.name,s=i.array,a=i.itemSize;e.setAttribute(r,new bn(s,a))}return e}_loadLibrary(t,e){const n=new wl(this.manager);return n.setPath(this.decoderPath),n.setResponseType(e),n.setWithCredentials(this.withCredentials),new Promise(((e,i)=>{n.load(t,e,void 0,i)}))}preload(){return this._initDecoder(),this}_initDecoder(){if(this.decoderPending)return this.decoderPending;const t="object"!=typeof WebAssembly||"js"===this.decoderConfig.type,e=[];return t?e.push(this._loadLibrary("draco_decoder.js","text")):(e.push(this._loadLibrary("draco_wasm_wrapper.js","text")),e.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(e).then((e=>{const n=e[0];t||(this.decoderConfig.wasmBinary=e[1]);const i=Oc.toString(),r=["/* draco decoder */",n,"","/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([r]))})),this.decoderPending}_getWorker(t,e){return this._initDecoder().then((()=>{if(this.workerPool.length<this.workerLimit){const t=new Worker(this.workerSourceURL);t._callbacks={},t._taskCosts={},t._taskLoad=0,t.postMessage({type:"init",decoderConfig:this.decoderConfig}),t.onmessage=function(e){const n=e.data;switch(n.type){case"decode":t._callbacks[n.id].resolve(n);break;case"error":t._callbacks[n.id].reject(n);break;default:console.error('THREE.DRACOLoader: Unexpected message, "'+n.type+'"')}},this.workerPool.push(t)}else this.workerPool.sort((function(t,e){return t._taskLoad>e._taskLoad?-1:1}));const n=this.workerPool[this.workerPool.length-1];return n._taskCosts[t]=e,n._taskLoad+=e,n}))}_releaseTask(t,e){t._taskLoad-=t._taskCosts[e],delete t._callbacks[e],delete t._taskCosts[e]}debug(){console.log("Task load: ",this.workerPool.map((t=>t._taskLoad)))}dispose(){for(let t=0;t<this.workerPool.length;++t)this.workerPool[t].terminate();return this.workerPool.length=0,this}};let Gu;const Wu=new Eu;let ju,qu;const Xu=Symbol("loader"),$u=Symbol("evictionPolicy"),Yu=Symbol("GLTFInstance");class Zu extends ft{constructor(t){super(),this[ku]=(new Nc).register((t=>new Fu(t))),this[Yu]=t,this[Xu].setDRACOLoader(Vu),this[Xu].setKTX2Loader(Wu)}static setDRACODecoderLocation(t){Hu=t,Vu.setDecoderPath(t)}static getDRACODecoderLocation(){return Hu}static setKTX2TranscoderLocation(t){Gu=t,Wu.setTranscoderPath(t)}static getKTX2TranscoderLocation(){return Gu}static setMeshoptDecoderLocation(t){var e;ju!==t&&(ju=t,qu=(e=t,new Promise(((t,n)=>{const i=document.createElement("script");document.body.appendChild(i),i.onload=t,i.onerror=n,i.async=!0,i.src=e}))).then((()=>MeshoptDecoder.ready)).then((()=>MeshoptDecoder)))}static getMeshoptDecoderLocation(){return ju}static initializeKTX2Loader(t){Wu.detectSupport(t)}static get cache(){return Bu}static clearCache(){Bu.forEach(((t,e)=>{this.delete(e)})),this[$u].reset()}static has(t){return Bu.has(t)}static async delete(t){if(!this.has(t))return;const e=Bu.get(t);zu.delete(t),Bu.delete(t),(await e).dispose()}static hasFinishedLoading(t){return!!zu.get(t)}get[(Uu=$u,ku=Xu,$u)](){return this.constructor[$u]}async preload(t,e,n=()=>{}){if(this[Xu].setWithCredentials(Zu.withCredentials),this.dispatchEvent({type:"preload",element:e,src:t}),!Bu.has(t)){null!=qu&&this[Xu].setMeshoptDecoder(await qu);const e=((t,e,n=()=>{})=>{const i=t=>{const e=t.loaded/t.total;n(Math.max(0,Math.min(1,isFinite(e)?e:1)))};return new Promise(((n,r)=>{e.load(t,n,i,r)}))})(t,this[Xu],(t=>{n(.8*t)})),i=this[Yu],r=e.then((t=>i.prepare(t))).then((t=>(n(.9),new i(t)))).catch((t=>(console.error(t),new i)));Bu.set(t,r)}await Bu.get(t),zu.set(t,!0),n&&n(1)}async load(t,e,n=()=>{}){await this.preload(t,e,n);const i=await Bu.get(t),r=await i.clone();return this[$u].retain(t),r.dispose=()=>{this[$u].release(t)},r}}Zu[Uu]=new Ou(Zu);class Ju extends nn{constructor(t=document.createElement("div")){super(),this.element=t,this.element.style.position="absolute",this.element.style.userSelect="none",this.element.setAttribute("draggable",!1),this.addEventListener("removed",(function(){this.traverse((function(t){t.element instanceof Element&&null!==t.element.parentNode&&t.element.parentNode.removeChild(t.element)}))}))}copy(t,e){return super.copy(t,e),this.element=t.element.cloneNode(!0),this}}Ju.prototype.isCSS2DObject=!0;const Ku=new te,Qu=new Pe,td=new Pe,ed=new te,nd=new te;class id{constructor(t={}){const e=this;let n,i,r,s;const a={objects:new WeakMap},o=void 0!==t.element?t.element:document.createElement("div");function l(t,n,i){if(t.isCSS2DObject){Ku.setFromMatrixPosition(t.matrixWorld),Ku.applyMatrix4(td);const l=!0===t.visible&&Ku.z>=-1&&Ku.z<=1&&!0===t.layers.test(i.layers);if(t.element.style.display=!0===l?"":"none",!0===l){t.onBeforeRender(e,n,i);const a=t.element;/apple/i.test(navigator.vendor)?a.style.transform="translate(-50%,-50%) translate("+Math.round(Ku.x*r+r)+"px,"+Math.round(-Ku.y*s+s)+"px)":a.style.transform="translate(-50%,-50%) translate("+(Ku.x*r+r)+"px,"+(-Ku.y*s+s)+"px)",a.parentNode!==o&&o.appendChild(a),t.onAfterRender(e,n,i)}const u={distanceToCameraSquared:(h=i,c=t,ed.setFromMatrixPosition(h.matrixWorld),nd.setFromMatrixPosition(c.matrixWorld),ed.distanceToSquared(nd))};a.objects.set(t,u)}var h,c;for(let e=0,r=t.children.length;e<r;e++)l(t.children[e],n,i)}o.style.overflow="hidden",this.domElement=o,this.getSize=function(){return{width:n,height:i}},this.render=function(t,e){!0===t.autoUpdate&&t.updateMatrixWorld(),null===e.parent&&e.updateMatrixWorld(),Qu.copy(e.matrixWorldInverse),td.multiplyMatrices(e.projectionMatrix,Qu),l(t,t,e),function(t){const e=function(t){const e=[];return t.traverse((function(t){t.isCSS2DObject&&e.push(t)})),e}(t).sort((function(t,e){return t.renderOrder!==e.renderOrder?e.renderOrder-t.renderOrder:a.objects.get(t).distanceToCameraSquared-a.objects.get(e).distanceToCameraSquared})),n=e.length;for(let t=0,i=e.length;t<i;t++)e[t].element.style.zIndex=n-t}(t)},this.setSize=function(t,e){n=t,i=e,r=n/2,s=i/2,o.style.width=t+"px",o.style.height=e+"px"}}}const rd=t=>t&&"null"!==t?ad(t):null,sd=()=>{if(Tc)return;const t=[];throw _c||t.push("WebXR Device API"),wc||t.push("WebXR Hit Test API"),new Error(`The following APIs are required for AR, but are missing in this browser: ${t.join(", ")}`)},ad=t=>new URL(t,window.location.toString()).toString(),od=(t,e)=>{let n=null;return(...i)=>{null!=n&&self.clearTimeout(n),n=self.setTimeout((()=>{n=null,t(...i)}),e)}},ld=(t,e,n)=>Math.max(e,Math.min(n,t)),hd=(()=>{const t=(()=>{var t;if(null===(t=document.documentElement.getAttribute("itemtype"))||void 0===t?void 0:t.includes("schema.org/SearchResultsPage"))return!0;const e=null!=document.head?Array.from(document.head.querySelectorAll("meta")):[];for(const t of e)if("viewport"===t.name)return!0;return!1})();return t||console.warn('No <meta name="viewport"> detected; <model-viewer> will cap pixel density at 1.'),()=>t?window.devicePixelRatio:1})(),cd=(()=>{const t=new RegExp("[?&]model-viewer-debug-mode(&|$)");return()=>self.ModelViewerElement&&self.ModelViewerElement.debugMode||self.location&&self.location.search&&self.location.search.match(t)})(),ud=(t=0)=>new Promise((e=>setTimeout(e,t)));class dd{constructor(t=50){this.velocity=0,this.naturalFrequency=0,this.setDecayTime(t)}setDecayTime(t){this.naturalFrequency=1/Math.max(.001,t)}update(t,e,n,i){const r=2e-4*this.naturalFrequency;if(null==t||0===i)return e;if(t===e&&0===this.velocity)return e;if(n<0)return t;const s=t-e,a=this.velocity+this.naturalFrequency*s,o=s+n*a,l=Math.exp(-this.naturalFrequency*n),h=(a-this.naturalFrequency*o)*l,c=-this.naturalFrequency*(h+a*l);return Math.abs(h)<r*Math.abs(i)&&c*s>=0?(this.velocity=0,e):(this.velocity=h,e+o*l)}}const pd=(t,e)=>({type:"number",number:t,unit:e}),md=(()=>{const t={};return e=>{const n=e;if(n in t)return t[n];const i=[];let r=0;for(;e;){if(++r>1e3){e="";break}const t=fd(e),n=t.nodes[0];if(null==n||0===n.terms.length)break;i.push(n),e=t.remainingInput}return t[n]=i}})(),fd=(()=>{const t=/^(\-\-|[a-z\u0240-\uffff])/i,e=/^([\*\+\/]|[\-]\s)/i,n=/^[\),]/;return i=>{const r=[];for(;i.length&&(i=i.trim(),!n.test(i));)if("("===i[0]){const{nodes:t,remainingInput:e}=xd(i);i=e,r.push({type:"function",name:{type:"ident",value:"calc"},arguments:t})}else if(t.test(i)){const t=gd(i),e=t.nodes[0];if("("===(i=t.remainingInput)[0]){const{nodes:t,remainingInput:n}=xd(i);r.push({type:"function",name:e,arguments:t}),i=n}else r.push(e)}else if(e.test(i))r.push({type:"operator",value:i[0]}),i=i.slice(1);else{const{nodes:t,remainingInput:e}="#"===i[0]?yd(i):vd(i);if(0===t.length)break;r.push(t[0]),i=e}return{nodes:[{type:"expression",terms:r}],remainingInput:i}}})(),gd=(()=>{const t=/[^a-z0-9_\-\u0240-\uffff]/i;return e=>{const n=e.match(t);return{nodes:[{type:"ident",value:null==n?e:e.substr(0,n.index)}],remainingInput:null==n?"":e.substr(n.index)}}})(),vd=(()=>{const t=/[\+\-]?(\d+[\.]\d+|\d+|[\.]\d+)([eE][\+\-]?\d+)?/,e=/^[a-z%]+/i,n=/^(m|mm|cm|rad|deg|[%])$/;return i=>{const r=i.match(t),s=null==r?"0":r[0],a=(i=null==s?i:i.slice(s.length)).match(e);let o=null!=a&&""!==a[0]?a[0]:null;const l=null==a?i:i.slice(o.length);return null==o||n.test(o)||(o=null),{nodes:[{type:"number",number:parseFloat(s)||0,unit:o}],remainingInput:l}}})(),yd=(()=>{const t=/^[a-f0-9]*/i;return e=>{const n=(e=e.slice(1).trim()).match(t);return{nodes:null==n?[]:[{type:"hex",value:n[0]}],remainingInput:null==n?e:e.slice(n[0].length)}}})(),xd=t=>{const e=[];for(t=t.slice(1).trim();t.length;){const n=fd(t);if(e.push(n.nodes[0]),","===(t=n.remainingInput.trim())[0])t=t.slice(1).trim();else if(")"===t[0]){t=t.slice(1);break}}return{nodes:e,remainingInput:t}},bd=Symbol("visitedTypes");class _d{constructor(t){this[bd]=t}walk(t,e){const n=t.slice();for(;n.length;){const t=n.shift();switch(this[bd].indexOf(t.type)>-1&&e(t),t.type){case"expression":n.unshift(...t.terms);break;case"function":n.unshift(t.name,...t.arguments)}}}}const wd=Object.freeze({type:"number",number:0,unit:null}),Md=(t,e=0)=>{let{number:n,unit:i}=t;if(isFinite(n)){if("rad"===t.unit||null==t.unit)return t}else n=e,i="rad";return{type:"number",number:("deg"===i&&null!=n?n:0)*Math.PI/180,unit:"rad"}},Sd=(t,e=0)=>{let n,{number:i,unit:r}=t;if(isFinite(i)){if("m"===t.unit)return t}else i=e,r="m";switch(r){default:n=1;break;case"cm":n=.01;break;case"mm":n=.001}return{type:"number",number:n*i,unit:"m"}},Td=(()=>{const t=t=>t,e={rad:t,deg:Md,m:t,mm:Sd,cm:Sd};return(t,n=wd)=>{isFinite(t.number)||(t.number=n.number,t.unit=n.unit);const{unit:i}=t;if(null==i)return t;const r=e[i];return null==r?n:r(t)}})();class Ed extends Ju{constructor(t){super(document.createElement("div")),this.normal=new te(0,1,0),this.initialized=!1,this.referenceCount=1,this.pivot=document.createElement("div"),this.slot=document.createElement("slot"),this.element.classList.add("annotation-wrapper"),this.slot.name=t.name,this.element.appendChild(this.pivot),this.pivot.appendChild(this.slot),this.updatePosition(t.position),this.updateNormal(t.normal)}get facingCamera(){return!this.element.classList.contains("hide")}show(){this.facingCamera&&this.initialized||this.updateVisibility(!0)}hide(){!this.facingCamera&&this.initialized||this.updateVisibility(!1)}increment(){this.referenceCount++}decrement(){return this.referenceCount>0&&--this.referenceCount,0===this.referenceCount}updatePosition(t){if(null==t)return;const e=md(t)[0].terms;for(let t=0;t<3;++t)this.position.setComponent(t,Td(e[t]).number);this.updateMatrixWorld()}updateNormal(t){if(null==t)return;const e=md(t)[0].terms;for(let t=0;t<3;++t)this.normal.setComponent(t,Td(e[t]).number)}orient(t){this.pivot.style.transform=`rotate(${t}rad)`}updateVisibility(t){t?this.element.classList.remove("hide"):this.element.classList.add("hide"),this.slot.assignedNodes().forEach((e=>{if(e.nodeType!==Node.ELEMENT_NODE)return;const n=e,i=n.dataset.visibilityAttribute;if(null!=i){const e=`data-${i}`;t?n.setAttribute(e,""):n.removeAttribute(e)}n.dispatchEvent(new CustomEvent("hotspot-visibility",{detail:{visible:t}}))})),this.initialized=!0}}const Ad=(t,e,n)=>{let i=n;const r=new te;return t.traverseVisible((t=>{let n,s;t.updateWorldMatrix(!1,!1);const a=t.geometry;if(void 0!==a)if(a.isGeometry){const o=a.vertices;for(n=0,s=o.length;n<s;n++)r.copy(o[n]),t.isSkinnedMesh?t.boneTransform(n,r):r.applyMatrix4(t.matrixWorld),i=e(i,r)}else if(a.isBufferGeometry){const{position:o}=a.attributes;if(void 0!==o){const a=(t=>{if(!t.normalized)return 1;const e=t.array;return e instanceof Int8Array?1/127:e instanceof Uint8Array?1/255:e instanceof Int16Array?1/32767:e instanceof Uint16Array?1/65535:1})(o);for(n=0,s=o.count;n<s;n++)r.fromBufferAttribute(o,n),r.multiplyScalar(a),t.isSkinnedMesh?t.boneTransform(n,r):r.applyMatrix4(t.matrixWorld),i=e(i,r)}}})),i},Rd={uniforms:{tDiffuse:{value:null},h:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float h;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 4.0 * h, vUv.y ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x - 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 1.0 * h, vUv.y ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 2.0 * h, vUv.y ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 3.0 * h, vUv.y ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x + 4.0 * h, vUv.y ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"},Cd={uniforms:{tDiffuse:{value:null},v:{value:1/512}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform sampler2D tDiffuse;\n\t\tuniform float v;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 sum = vec4( 0.0 );\n\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 4.0 * v ) ) * 0.051;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y - 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y ) ) * 0.1633;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 1.0 * v ) ) * 0.1531;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 2.0 * v ) ) * 0.12245;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 3.0 * v ) ) * 0.0918;\n\t\t\tsum += texture2D( tDiffuse, vec2( vUv.x, vUv.y + 4.0 * v ) ) * 0.051;\n\n\t\t\tgl_FragColor = sum;\n\n\t\t}"},Ld=[];for(let t=0;t<256;t++)Ld[t]=(t<16?"0":"")+t.toString(16);function Pd(t,e,n){return(1-n)*t+n*e}class Dd extends nn{constructor(t,e,n){super(),this.camera=new Ai,this.renderTarget=null,this.renderTargetBlur=null,this.depthMaterial=new Is,this.horizontalBlurMaterial=new ei(Rd),this.verticalBlurMaterial=new ei(Cd),this.intensity=0,this.softness=1,this.boundingBox=new ie,this.size=new te,this.maxDimension=0,this.isAnimated=!1,this.needsUpdate=!1;const{camera:i}=this;i.rotation.x=Math.PI/2,i.left=-.5,i.right=.5,i.bottom=-.5,i.top=.5,this.add(i);const r=new vi,s=new vn({opacity:1,transparent:!0,side:1});this.floor=new Yn(r,s),this.floor.userData.shadow=!0,i.add(this.floor),this.blurPlane=new Yn(r),this.blurPlane.visible=!1,i.add(this.blurPlane),t.target.add(this),this.depthMaterial.onBeforeCompile=function(t){t.fragmentShader=t.fragmentShader.replace("gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );","gl_FragColor = vec4( vec3( 0.0 ), ( 1.0 - fragCoordZ ) * opacity );")},this.horizontalBlurMaterial.depthTest=!1,this.verticalBlurMaterial.depthTest=!1,this.setScene(t,e,n)}setScene(t,e,n){const{boundingBox:i,size:r,rotation:s,position:a}=this;if(this.isAnimated=t.animationNames.length>0,this.boundingBox.copy(t.boundingBox),this.size.copy(t.size),this.maxDimension=Math.max(r.x,r.y,r.z)*(this.isAnimated?2:1),this.boundingBox.getCenter(a),"back"===n){const{min:t,max:e}=i;[t.y,t.z]=[t.z,t.y],[e.y,e.z]=[e.z,e.y],[r.y,r.z]=[r.z,r.y],s.x=Math.PI/2,s.y=Math.PI}else s.x=0,s.y=0;if(this.isAnimated){const t=i.min.y,e=i.max.y;r.y=this.maxDimension,i.expandByVector(r.subScalar(this.maxDimension).multiplyScalar(-.5)),i.min.y=t,i.max.y=e,r.set(this.maxDimension,e-t,this.maxDimension)}"bottom"===n?a.y=i.min.y:a.z=i.min.y,this.setSoftness(e)}setSoftness(t){this.softness=t;const{size:e,camera:n}=this,i=this.isAnimated?2:1,r=i*Math.pow(2,9-3*t);this.setMapSize(r);const s=e.y/2,a=e.y*i;n.near=0,n.far=Pd(a,s,t),this.depthMaterial.opacity=1/t,n.updateProjectionMatrix(),this.setIntensity(this.intensity),this.setOffset(0)}setMapSize(t){const{size:e}=this;this.isAnimated&&(t*=2);const n=Math.floor(e.x>e.z?t:t*e.x/e.z),i=Math.floor(e.x>e.z?t*e.z/e.x:t),r=10+n,s=10+i;if(null==this.renderTarget||this.renderTarget.width===r&&this.renderTarget.height===s||(this.renderTarget.dispose(),this.renderTarget=null,this.renderTargetBlur.dispose(),this.renderTargetBlur=null),null==this.renderTarget){const t={format:z};this.renderTarget=new Zt(r,s,t),this.renderTargetBlur=new Zt(r,s,t),this.floor.material.map=this.renderTarget.texture}this.camera.scale.set(e.x*(1+10/n),e.z*(1+10/i),1),this.needsUpdate=!0}setIntensity(t){this.intensity=t,t>0?(this.visible=!0,this.floor.visible=!0,this.floor.material.opacity=t*Pd(.3,1,this.softness*this.softness)):(this.visible=!1,this.floor.visible=!1)}getIntensity(){return this.intensity}setOffset(t){this.floor.position.z=-t+.001*this.maxDimension}render(t,e){e.overrideMaterial=this.depthMaterial;const n=t.getClearAlpha();t.setClearAlpha(0),this.floor.visible=!1;const i=t.xr.enabled;t.xr.enabled=!1;const r=t.getRenderTarget();t.setRenderTarget(this.renderTarget),t.render(e,this.camera),e.overrideMaterial=null,this.floor.visible=!0,this.blurShadow(t),t.xr.enabled=i,t.setRenderTarget(r),t.setClearAlpha(n)}blurShadow(t){const{camera:e,horizontalBlurMaterial:n,verticalBlurMaterial:i,renderTarget:r,renderTargetBlur:s,blurPlane:a}=this;a.visible=!0,a.material=n,n.uniforms.h.value=1/this.renderTarget.width,n.uniforms.tDiffuse.value=this.renderTarget.texture,t.setRenderTarget(s),t.render(a,e),a.material=i,i.uniforms.v.value=1/this.renderTarget.height,i.uniforms.tDiffuse.value=this.renderTargetBlur.texture,t.setRenderTarget(r),t.render(a,e),a.visible=!1}}const Id=new te,Od=new te,Nd=new te,Fd=new class{constructor(t,e,n=0,i=1/0){this.ray=new Le(t,e),this.near=n,this.far=i,this.camera=null,this.layers=new Ve,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}intersectObject(t,e=!0,n=[]){return lh(t,this,n,e),n.sort(oh),n}intersectObjects(t,e=!0,n=[]){for(let i=0,r=t.length;i<r;i++)lh(t[i],this,n,e);return n.sort(oh),n}},Ud=new te,kd=new Rt;class Bd extends Xs{constructor({canvas:t,element:e,width:n,height:i}){super(),this.context=null,this.annotationRenderer=new id,this.schemaElement=document.createElement("script"),this.width=1,this.height=1,this.aspect=1,this.renderCount=0,this.externalRenderer=null,this.camera=new ii(45,1,.1,100),this.xrCamera=null,this.url=null,this.target=new nn,this.modelContainer=new nn,this.animationNames=[],this.boundingBox=new ie,this.boundingSphere=new we,this.size=new te,this.idealAspect=0,this.framedFoVDeg=0,this.shadow=null,this.shadowIntensity=0,this.shadowSoftness=1,this.bakedShadows=new Set,this.exposure=1,this.canScale=!0,this.tightBounds=!1,this.isDirty=!1,this.goalTarget=new te,this.targetDamperX=new dd,this.targetDamperY=new dd,this.targetDamperZ=new dd,this._currentGLTF=null,this.cancelPendingSourceChange=null,this.animationsByName=new Map,this.currentAnimationAction=null,this.name="ModelScene",this.element=e,this.canvas=t,this.camera=new ii(45,1,.1,100),this.camera.name="MainCamera",this.add(this.target),this.setSize(n,i),this.target.name="Target",this.modelContainer.name="ModelContainer",this.target.add(this.modelContainer),this.mixer=new ah(this.modelContainer);const{domElement:r}=this.annotationRenderer,{style:s}=r;s.display="none",s.pointerEvents="none",s.position="absolute",s.top="0",this.element.shadowRoot.querySelector(".default").appendChild(r),this.schemaElement.setAttribute("type","application/ld+json")}createContext(){this.context=this.canvas.getContext("2d")}getCamera(){return null!=this.xrCamera?this.xrCamera:this.camera}queueRender(){this.isDirty=!0}shouldRender(){return this.isDirty}hasRendered(){this.isDirty=!1}async setObject(t){this.reset(),this.modelContainer.add(t),await this.setupScene()}async setSource(t,e=()=>{}){if(!t||t===this.url)return void e(1);if(this.reset(),this.url=t,null!=this.externalRenderer){const t=await this.externalRenderer.load(e);return this.boundingSphere.radius=t.framedRadius,this.idealAspect=t.fieldOfViewAspect,void this.dispatchEvent({type:"model-load",url:this.url})}let n;null!=this.cancelPendingSourceChange&&(this.cancelPendingSourceChange(),this.cancelPendingSourceChange=null);try{n=await new Promise((async(n,i)=>{this.cancelPendingSourceChange=()=>i();try{n(await this.element[Em].loader.load(t,this.element,e))}catch(t){i(t)}}))}catch(t){if(null==t)return;throw t}this.reset(),this.url=t,this._currentGLTF=n,null!=n&&this.modelContainer.add(n.scene);const{animations:i}=n,r=new Map,s=[];for(const t of i)r.set(t.name,t),s.push(t.name);this.animations=i,this.animationsByName=r,this.animationNames=s,await this.setupScene()}async setupScene(){this.updateBoundingBox(),await this.updateFraming(),this.updateShadow(),this.setShadowIntensity(this.shadowIntensity),this.dispatchEvent({type:"model-load",url:this.url})}reset(){this.url=null,this.queueRender(),null!=this.shadow&&this.shadow.setIntensity(0),this.bakedShadows.clear();const t=this._currentGLTF;if(null!=t){for(const t of this.modelContainer.children)this.modelContainer.remove(t);t.dispose(),this._currentGLTF=null}null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction=null),this.mixer.stopAllAction(),this.mixer.uncacheRoot(this)}get currentGLTF(){return this._currentGLTF}setSize(t,e){if(this.width!==t||this.height!==e){if(this.width=Math.max(t,1),this.height=Math.max(e,1),this.annotationRenderer.setSize(t,e),this.aspect=this.width/this.height,null!=this.externalRenderer){const n=hd();this.externalRenderer.resize(t*n,e*n)}this.queueRender()}}markBakedShadow(t){t.userData.shadow=!0,this.bakedShadows.add(t)}unmarkBakedShadow(t){t.userData.shadow=!1,t.visible=!0,this.bakedShadows.delete(t),this.boundingBox.expandByObject(t)}findBakedShadows(t){const e=new ie;t.traverse((t=>{const n=t;if(!n.isMesh)return;if(!n.material.transparent)return;e.setFromObject(n);const i=e.getSize(Ud),r=Math.min(i.x,i.y,i.z);Math.max(i.x,i.y,i.z)<100*r||this.markBakedShadow(n)}))}checkBakedShadows(){const{min:t,max:e}=this.boundingBox,n=new ie;this.boundingBox.getSize(this.size);for(const i of this.bakedShadows)n.setFromObject(i),n.min.y<t.y+this.size.y/100&&n.min.x<=t.x&&n.max.x>=e.x&&n.min.z<=t.z&&n.max.z>=e.z||n.min.z<t.z+this.size.z/100&&n.min.x<=t.x&&n.max.x>=e.x&&n.min.y<=t.y&&n.max.y>=e.y||this.unmarkBakedShadow(i)}updateBoundingBox(){if(this.target.remove(this.modelContainer),this.findBakedShadows(this.modelContainer),!0===this.tightBounds){const t=(t,e)=>t.expandByPoint(e);this.setBakedShadowVisibility(!1),this.boundingBox=Ad(this.modelContainer,t,new ie),this.boundingBox.isEmpty()&&(this.setBakedShadowVisibility(!0),this.bakedShadows.forEach((t=>this.unmarkBakedShadow(t))),this.boundingBox=Ad(this.modelContainer,t,new ie)),this.checkBakedShadows(),this.setBakedShadowVisibility()}else this.boundingBox.setFromObject(this.modelContainer);this.boundingBox.getSize(this.size),this.target.add(this.modelContainer)}async updateFraming(){this.target.remove(this.modelContainer),this.setBakedShadowVisibility(!1);const{center:t}=this.boundingSphere;!0===this.tightBounds?(this.element.requestUpdate("cameraTarget"),await this.element.updateComplete,t.copy(this.getTarget())):this.boundingBox.getCenter(t),this.boundingSphere.radius=Math.sqrt(Ad(this.modelContainer,((e,n)=>Math.max(e,t.distanceToSquared(n))),0)),this.idealAspect=Ad(this.modelContainer,((e,n)=>{n.sub(t);const i=Math.sqrt(n.x*n.x+n.z*n.z);return Math.max(e,i/(this.idealCameraDistance()-Math.abs(n.y)))}),0)/Math.tan(this.framedFoVDeg/2*Math.PI/180),this.setBakedShadowVisibility(),this.target.add(this.modelContainer)}setBakedShadowVisibility(t=this.shadowIntensity<=0){for(const e of this.bakedShadows)e.visible=t}idealCameraDistance(){const t=this.framedFoVDeg/2*Math.PI/180;return this.boundingSphere.radius/Math.sin(t)}adjustedFoV(t){const e=Math.tan(t/2*Math.PI/180)*Math.max(1,this.idealAspect/this.aspect);return 2*Math.atan(e)*180/Math.PI}getNDC(t,e){if(null!=this.xrCamera)kd.set(t/window.screen.width,e/window.screen.height);else{const n=this.element.getBoundingClientRect();kd.set((t-n.x)/this.width,(e-n.y)/this.height)}return kd.multiplyScalar(2).subScalar(1),kd.y*=-1,kd}getSize(){return{width:this.width,height:this.height}}setTarget(t,e,n){this.goalTarget.set(-t,-e,-n)}setTargetDamperDecayTime(t){this.targetDamperX.setDecayTime(t),this.targetDamperY.setDecayTime(t),this.targetDamperZ.setDecayTime(t)}getTarget(){return Ud.copy(this.goalTarget).multiplyScalar(-1)}jumpToGoal(){this.updateTarget(1e4)}updateTarget(t){const e=this.goalTarget,n=this.target.position;if(e.equals(n))return!1;{const i=this.boundingSphere.radius/10;let{x:r,y:s,z:a}=n;return r=this.targetDamperX.update(r,e.x,t,i),s=this.targetDamperY.update(s,e.y,t,i),a=this.targetDamperZ.update(a,e.z,t,i),this.target.position.set(r,s,a),this.target.updateMatrixWorld(),this.queueRender(),!0}}pointTowards(t,e){const{x:n,z:i}=this.position;this.yaw=Math.atan2(t-n,e-i)}set yaw(t){this.rotation.y=t,this.queueRender()}get yaw(){return this.rotation.y}set animationTime(t){this.mixer.setTime(t),this.queueShadowRender()}get animationTime(){if(null!=this.currentAnimationAction){const t=Math.max(this.currentAnimationAction._loopCount,0);return this.currentAnimationAction.loop!==Q||1&~t?this.currentAnimationAction.time:this.duration-this.currentAnimationAction.time}return 0}set animationTimeScale(t){this.mixer.timeScale=t}get animationTimeScale(){return this.mixer.timeScale}get duration(){return null!=this.currentAnimationAction&&this.currentAnimationAction.getClip()?this.currentAnimationAction.getClip().duration:0}get hasActiveAnimation(){return null!=this.currentAnimationAction}playAnimation(t=null,e=0,n=2201,i=1/0){if(null==this._currentGLTF)return;const{animations:r}=this;if(null==r||0===r.length)return void console.warn("Cannot play animation (model does not have any animations)");let s=null;if(null!=t&&(s=this.animationsByName.get(t),null==s)){const e=parseInt(t);!isNaN(e)&&e>=0&&e<r.length&&(s=r[e])}null==s&&(s=r[0]);try{const{currentAnimationAction:t}=this,r=this.mixer.clipAction(s,this);this.currentAnimationAction=r,this.element.paused?this.mixer.stopAllAction():(r.paused=!1,null!=t&&r!==t?r.crossFadeFrom(t,e,!1):this.animationTimeScale>0&&this.animationTime==this.duration&&(this.animationTime=0)),r.setLoop(n,i),r.enabled=!0,r.clampWhenFinished=!0,r.play()}catch(t){console.error(t)}}stopAnimation(){this.currentAnimationAction=null,this.mixer.stopAllAction()}updateAnimation(t){this.mixer.update(t),this.queueShadowRender()}subscribeMixerEvent(t,e){this.mixer.addEventListener(t,e)}updateShadow(){const t=this.shadow;if(null!=t){const e="wall"===this.element.arPlacement?"back":"bottom";t.setScene(this,this.shadowSoftness,e),t.needsUpdate=!0}}renderShadow(t){const e=this.shadow;null!=e&&1==e.needsUpdate&&(e.render(t,this),e.needsUpdate=!1)}queueShadowRender(){null!=this.shadow&&(this.shadow.needsUpdate=!0)}setShadowIntensity(t){if(this.shadowIntensity=t,null!=this._currentGLTF&&(this.setBakedShadowVisibility(),!(t<=0&&null==this.shadow))){if(null==this.shadow){const t="wall"===this.element.arPlacement?"back":"bottom";this.shadow=new Dd(this,this.shadowSoftness,t)}this.shadow.setIntensity(t)}}setShadowSoftness(t){this.shadowSoftness=t;const e=this.shadow;null!=e&&e.setSoftness(t)}setShadowOffset(t){const e=this.shadow;null!=e&&e.setOffset(t)}get raycaster(){return Fd}positionAndNormalFromPoint(t,e=this){this.raycaster.setFromCamera(t,this.getCamera());const n=this.raycaster.intersectObject(e,!0).find((t=>!t.object.userData.shadow));return null==n||null==n.face?null:null==n.uv?{position:n.point,normal:n.face.normal,uv:null}:(n.face.normal.applyNormalMatrix((new Ct).getNormalMatrix(n.object.matrixWorld)),{position:n.point,normal:n.face.normal,uv:n.uv})}addHotspot(t){this.target.add(t),this.annotationRenderer.domElement.appendChild(t.element)}removeHotspot(t){this.target.remove(t)}forHotspots(t){const{children:e}=this.target;for(let n=0,i=e.length;n<i;n++){const i=e[n];i instanceof Ed&&t(i)}}updateHotspots(t){this.forHotspots((e=>{Id.copy(t),Od.setFromMatrixPosition(e.matrixWorld),Id.sub(Od),Nd.copy(e.normal).transformDirection(this.target.matrixWorld),Id.dot(Nd)<0?e.hide():e.show()}))}orientHotspots(t){this.forHotspots((e=>{e.orient(t)}))}setHotspotsVisibility(t){this.forHotspots((e=>{e.visible=t}))}updateSchema(t){var e;const{schemaElement:n,element:i}=this,{alt:r,poster:s,iosSrc:a}=i;if(null!=t){const i=[{"@type":"MediaObject",contentUrl:t,encodingFormat:"gltf"===(null===(e=t.split(".").pop())||void 0===e?void 0:e.toLowerCase())?"model/gltf+json":"model/gltf-binary"}];a&&i.push({"@type":"MediaObject",contentUrl:a,encodingFormat:"model/vnd.usdz+zip"});const o={"@context":"http://schema.org/","@type":"3DModel",image:null!=s?s:void 0,name:null!=r?r:void 0,encoding:i};n.textContent=JSON.stringify(o),document.head.appendChild(n)}else null!=n.parentElement&&n.parentElement.removeChild(n)}}var zd=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Hd=Symbol("currentEnvironmentMap"),Vd=Symbol("applyEnvironmentMap"),Gd=Symbol("updateEnvironment"),Wd=Symbol("cancelEnvironmentUpdate"),jd=Symbol("onPreload");class qd{constructor(t,e,n,i,r){this.xrLight=t,this.renderer=e,this.lightProbe=n,this.xrWebGLBinding=null,this.estimationStartCallback=r,this.frameCallback=this.onXRFrame.bind(this);const s=e.xr.getSession();if(i&&"XRWebGLBinding"in window){const n=new oi(16);t.environment=n.texture;const i=e.getContext();switch(s.preferredReflectionFormat){case"srgba8":i.getExtension("EXT_sRGB");break;case"rgba16f":i.getExtension("OES_texture_half_float")}this.xrWebGLBinding=new XRWebGLBinding(s,i),this.lightProbe.addEventListener("reflectionchange",(()=>{this.updateReflection()}))}s.requestAnimationFrame(this.frameCallback)}updateReflection(){const t=this.renderer.properties.get(this.xrLight.environment);if(t){const e=this.xrWebGLBinding.getReflectionCubeMap(this.lightProbe);e&&(t.__webglTexture=e,this.xrLight.environment.needsPMREMUpdate=!0)}}onXRFrame(t,e){if(!this.xrLight)return;e.session.requestAnimationFrame(this.frameCallback);const n=e.getLightEstimate(this.lightProbe);if(n){this.xrLight.lightProbe.sh.fromArray(n.sphericalHarmonicsCoefficients),this.xrLight.lightProbe.intensity=1;const t=Math.max(1,Math.max(n.primaryLightIntensity.x,Math.max(n.primaryLightIntensity.y,n.primaryLightIntensity.z)));this.xrLight.directionalLight.color.setRGB(n.primaryLightIntensity.x/t,n.primaryLightIntensity.y/t,n.primaryLightIntensity.z/t),this.xrLight.directionalLight.intensity=t,this.xrLight.directionalLight.position.copy(n.primaryLightDirection),this.estimationStartCallback&&(this.estimationStartCallback(),this.estimationStartCallback=null)}}dispose(){this.xrLight=null,this.renderer=null,this.lightProbe=null,this.xrWebGLBinding=null}}class Xd extends zs{constructor(t,e=!0){super(),this.lightProbe=new Vl,this.lightProbe.intensity=0,this.add(this.lightProbe),this.directionalLight=new zl,this.directionalLight.intensity=0,this.add(this.directionalLight),this.environment=null;let n=null,i=!1;t.xr.addEventListener("sessionstart",(()=>{const r=t.xr.getSession();"requestLightProbe"in r&&r.requestLightProbe({reflectionFormat:r.preferredReflectionFormat}).then((r=>{n=new qd(this,t,r,e,(()=>{i=!0,this.dispatchEvent({type:"estimationstart"})}))}))})),t.xr.addEventListener("sessionend",(()=>{n&&(n.dispose(),n=null),i&&this.dispatchEvent({type:"estimationend"})})),this.dispose=()=>{n&&(n.dispose(),n=null),this.remove(this.lightProbe),this.lightProbe=null,this.remove(this.directionalLight),this.directionalLight=null,this.environment=null}}}const $d=.2,Yd=Math.PI/24,Zd=new Rt,Jd=(t,e,n)=>{let i=e>0?n>0?0:-Math.PI/2:n>0?Math.PI/2:Math.PI;for(let r=0;r<=12;++r)t.push(e+.17*Math.cos(i),n+.17*Math.sin(i),0,e+$d*Math.cos(i),n+$d*Math.sin(i),0),i+=Yd};class Kd extends Yn{constructor(t,e){const n=new Pn,i=[],r=[],{size:s,boundingBox:a}=t,o=s.x/2,l=("back"===e?s.y:s.z)/2;Jd(r,o,l),Jd(r,-o,l),Jd(r,-o,-l),Jd(r,o,-l);const h=r.length/3;for(let t=0;t<h-2;t+=2)i.push(t,t+1,t+3,t,t+3,t+2);const c=h-2;i.push(c,c+1,1,c,1,0),n.setAttribute("position",new Mn(r,3)),n.setIndex(i),super(n),this.side=e;const u=this.material;switch(u.side=0,u.transparent=!0,u.opacity=0,this.goalOpacity=0,this.opacityDamper=new dd,this.hitPlane=new Yn(new vi(2*(o+$d),2*(l+$d))),this.hitPlane.visible=!1,this.add(this.hitPlane),a.getCenter(this.position),e){case"bottom":this.rotateX(-Math.PI/2),this.shadowHeight=a.min.y,this.position.y=this.shadowHeight;break;case"back":this.shadowHeight=a.min.z,this.position.z=this.shadowHeight}t.target.add(this),this.offsetHeight=0}getHit(t,e,n){Zd.set(e,-n),this.hitPlane.visible=!0;const i=t.positionAndNormalFromPoint(Zd,this.hitPlane);return this.hitPlane.visible=!1,null==i?null:i.position}getExpandedHit(t,e,n){this.hitPlane.scale.set(1e3,1e3,1e3);const i=this.getHit(t,e,n);return this.hitPlane.scale.set(1,1,1),i}set offsetHeight(t){t-=.001,"back"===this.side?this.position.z=this.shadowHeight+t:this.position.y=this.shadowHeight+t}get offsetHeight(){return"back"===this.side?this.position.z-this.shadowHeight:this.position.y-this.shadowHeight}set show(t){this.goalOpacity=t?.75:0}updateOpacity(t){const e=this.material;e.opacity=this.opacityDamper.update(e.opacity,this.goalOpacity,t,1),this.visible=e.opacity>0}dispose(){var t;const{geometry:e,material:n}=this.hitPlane;e.dispose(),n.dispose(),this.geometry.dispose(),this.material.dispose(),null===(t=this.parent)||void 0===t||t.remove(this)}}const Qd=1/1.3,tp="not-presenting",ep="session-started",np="tracking",ip=new te,rp=new Pe,sp=new te,ap=new ii(45,1,.1,100);class op extends ft{constructor(t){super(),this.renderer=t,this.currentSession=null,this.placeOnWall=!1,this.placementBox=null,this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.oldBackground=null,this.oldEnvironment=null,this.frame=null,this.initialHitSource=null,this.transientHitTestSource=null,this.inputSource=null,this._presentedScene=null,this.resolveCleanup=null,this.exitWebXRButtonContainer=null,this.overlay=null,this.xrLight=null,this.tracking=!0,this.frames=0,this.initialized=!1,this.oldTarget=new te,this.placementComplete=!1,this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.lastDragPosition=new te,this.firstRatio=0,this.lastAngle=0,this.goalPosition=new te,this.goalYaw=0,this.goalScale=1,this.xDamper=new dd,this.yDamper=new dd,this.zDamper=new dd,this.yawDamper=new dd,this.scaleDamper=new dd,this.onExitWebXRButtonContainerClick=()=>this.stopPresenting(),this.onUpdateScene=()=>{null!=this.placementBox&&this.isPresenting&&(this.placementBox.dispose(),this.placementBox=new Kd(this.presentedScene,this.placeOnWall?"back":"bottom"))},this.onSelectStart=t=>{const e=this.transientHitTestSource;if(null==e)return;const n=this.frame.getHitTestResultsForTransientInput(e),i=this.presentedScene,r=this.placementBox;if(1===n.length){this.inputSource=t.inputSource;const{axes:e}=this.inputSource.gamepad,n=r.getHit(this.presentedScene,e[0],e[1]);r.show=!0,null!=n?(this.isTranslating=!0,this.lastDragPosition.copy(n)):!1===this.placeOnWall&&(this.isRotating=!0,this.lastAngle=1.5*e[0])}else if(2===n.length){r.show=!0,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(n);this.firstRatio=t/i.scale.x}},this.onSelectEnd=()=>{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.inputSource=null,this.goalPosition.y+=this.placementBox.offsetHeight*this.presentedScene.scale.x,this.placementBox.show=!1},this.threeRenderer=t.threeRenderer,this.threeRenderer.xr.enabled=!0}async resolveARSession(){sd();const t=await navigator.xr.requestSession("immersive-ar",{requiredFeatures:["hit-test"],optionalFeatures:["dom-overlay","light-estimation"],domOverlay:{root:this.overlay}});return this.threeRenderer.xr.setReferenceSpaceType("local"),await this.threeRenderer.xr.setSession(t),this.threeRenderer.xr.cameraAutoUpdate=!1,t}get presentedScene(){return this._presentedScene}async supportsPresentation(){try{return sd(),await navigator.xr.isSessionSupported("immersive-ar")}catch(t){return console.warn("Request to present in WebXR denied:"),console.warn(t),console.warn("Falling back to next ar-mode"),!1}}async present(t,e=!1){this.isPresenting&&console.warn("Cannot present while a model is already presenting");let n=new Promise(((t,e)=>{requestAnimationFrame((()=>t()))}));t.setHotspotsVisibility(!1),t.queueRender(),await n,this._presentedScene=t,this.overlay=t.element.shadowRoot.querySelector("div.default"),!0===e&&(this.xrLight=new Xd(this.threeRenderer),this.xrLight.addEventListener("estimationstart",(()=>{if(!this.isPresenting||null==this.xrLight)return;const t=this.presentedScene;t.add(this.xrLight),this.oldEnvironment=t.environment,t.environment=this.xrLight.environment})));const i=await this.resolveARSession();i.addEventListener("end",(()=>{this.postSessionCleanup()}),{once:!0});const r=t.element.shadowRoot.querySelector(".slot.exit-webxr-ar-button");r.classList.add("enabled"),r.addEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=r;const s=await i.requestReferenceSpace("viewer");this.tracking=!0,this.frames=0,this.initialized=!1,this.turntableRotation=t.yaw,this.goalYaw=t.yaw,this.goalScale=1,this.oldBackground=t.background,t.background=null,this.oldShadowIntensity=t.shadowIntensity,t.setShadowIntensity(.01),this.oldTarget.copy(t.getTarget()),t.addEventListener("model-load",this.onUpdateScene);const a=20*Math.PI/180,o=!0===this.placeOnWall?void 0:new XRRay(new DOMPoint(0,0,0),{x:0,y:-Math.sin(a),z:-Math.cos(a)});i.requestHitTestSource({space:s,offsetRay:o}).then((t=>{this.initialHitSource=t})),this.currentSession=i,this.placementBox=new Kd(t,this.placeOnWall?"back":"bottom"),this.placementComplete=!1,this.lastTick=performance.now(),this.dispatchEvent({type:"status",status:ep})}async stopPresenting(){if(!this.isPresenting)return;const t=new Promise((t=>{this.resolveCleanup=t}));try{await this.currentSession.end(),await t}catch(t){console.warn("Error while trying to end WebXR AR session"),console.warn(t),this.postSessionCleanup()}}get isPresenting(){return null!=this.presentedScene}get target(){return this.oldTarget}updateTarget(){const t=this.presentedScene;if(null!=t){const e=t.getTarget();this.oldTarget.copy(e),this.placeOnWall?e.z=t.boundingBox.min.z:e.y=t.boundingBox.min.y,t.setTarget(e.x,e.y,e.z)}}postSessionCleanup(){const t=this.currentSession;null!=t&&(t.removeEventListener("selectstart",this.onSelectStart),t.removeEventListener("selectend",this.onSelectEnd),this.currentSession=null);const e=this.presentedScene;if(null!=e){const{element:t}=e;null!=this.xrLight&&(e.remove(this.xrLight),null!=this.oldEnvironment&&(e.environment=this.oldEnvironment,this.oldEnvironment=null),this.xrLight.dispose(),this.xrLight=null),e.position.set(0,0,0),e.scale.set(1,1,1),e.setShadowOffset(0);const n=this.turntableRotation;null!=n&&(e.yaw=n);const i=this.oldShadowIntensity;null!=i&&e.setShadowIntensity(i);const r=this.oldBackground;null!=r&&(e.background=r);const s=this.oldTarget;e.setTarget(s.x,s.y,s.z),e.xrCamera=null,e.removeEventListener("model-load",this.onUpdateScene),e.orientHotspots(0),t.requestUpdate("cameraTarget"),t.requestUpdate("maxCameraOrbit"),t[Tm](t.getBoundingClientRect())}this.renderer.height=0;const n=this.exitWebXRButtonContainer;null!=n&&(n.classList.remove("enabled"),n.removeEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=null);const i=this.transientHitTestSource;null!=i&&(i.cancel(),this.transientHitTestSource=null);const r=this.initialHitSource;null!=r&&(r.cancel(),this.initialHitSource=null),null!=this.placementBox&&(this.placementBox.dispose(),this.placementBox=null),this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.oldBackground=null,this._presentedScene=null,this.frame=null,this.inputSource=null,this.overlay=null,null!=this.resolveCleanup&&this.resolveCleanup(),this.dispatchEvent({type:"status",status:tp})}updateView(t){const e=this.presentedScene,n=this.threeRenderer.xr;n.updateCamera(ap),e.xrCamera=n.getCamera();const{elements:i}=e.getCamera().matrixWorld;if(e.orientHotspots(Math.atan2(i[1],i[5])),this.initialized||(this.placeInitially(),this.initialized=!0),t.requestViewportScale&&t.recommendedViewportScale){const e=t.recommendedViewportScale;t.requestViewportScale(Math.max(e,.25))}const r=this.currentSession.renderState.baseLayer.getViewport(t);this.threeRenderer.setViewport(r.x,r.y,r.width,r.height)}placeInitially(){const t=this.presentedScene,{position:e,element:n}=t,i=t.getCamera(),{width:r,height:s}=this.overlay.getBoundingClientRect();t.setSize(r,s),i.projectionMatrixInverse.copy(i.projectionMatrix).invert();const{theta:a,radius:o}=n.getCameraOrbit(),l=i.getWorldDirection(ip);t.yaw=Math.atan2(-l.x,-l.z)-a,this.goalYaw=t.yaw,e.copy(i.position).add(l.multiplyScalar(o)),this.updateTarget();const h=t.getTarget();e.add(h).sub(this.oldTarget),this.goalPosition.copy(e),t.setHotspotsVisibility(!0);const{session:c}=this.frame;c.addEventListener("selectstart",this.onSelectStart),c.addEventListener("selectend",this.onSelectEnd),c.requestHitTestSourceForTransientInput({profile:"generic-touchscreen"}).then((t=>{this.transientHitTestSource=t}))}getTouchLocation(){const{axes:t}=this.inputSource.gamepad;let e=this.placementBox.getExpandedHit(this.presentedScene,t[0],t[1]);return null!=e&&(ip.copy(e).sub(this.presentedScene.getCamera().position),ip.length()>10)?null:e}getHitPoint(t){const e=this.threeRenderer.xr.getReferenceSpace(),n=t.getPose(e);if(null==n)return null;const i=rp.fromArray(n.transform.matrix);return!0===this.placeOnWall&&(this.goalYaw=Math.atan2(i.elements[4],i.elements[6])),i.elements[5]>.75!==this.placeOnWall?sp.setFromMatrixPosition(i):null}moveToFloor(t){const e=this.initialHitSource;if(null==e)return;const n=t.getHitTestResults(e);if(0==n.length)return;const i=n[0],r=this.getHitPoint(i);null!=r&&(this.placementBox.show=!0,this.isTranslating||(this.placeOnWall?this.goalPosition.copy(r):this.goalPosition.y=r.y),e.cancel(),this.initialHitSource=null,this.dispatchEvent({type:"status",status:"object-placed"}))}fingerPolar(t){const e=t[0].inputSource.gamepad.axes,n=t[1].inputSource.gamepad.axes,i=n[0]-e[0],r=n[1]-e[1],s=Math.atan2(r,i);let a=this.lastAngle-s;return a>Math.PI?a-=2*Math.PI:a<-Math.PI&&(a+=2*Math.PI),this.lastAngle=s,{separation:Math.sqrt(i*i+r*r),deltaYaw:a}}processInput(t){const e=this.transientHitTestSource;if(null==e)return;if(!this.isTranslating&&!this.isTwoFingering&&!this.isRotating)return;const n=t.getHitTestResultsForTransientInput(e),i=this.presentedScene,r=i.scale.x;if(this.isTwoFingering)if(n.length<2)this.isTwoFingering=!1;else{const{separation:t,deltaYaw:e}=this.fingerPolar(n);if(!1===this.placeOnWall&&(this.goalYaw+=e),i.canScale){const e=t/this.firstRatio;this.goalScale=e<1.3&&e>Qd?1:e}}else if(2!==n.length)if(this.isRotating){const t=1.5*this.inputSource.gamepad.axes[0];this.goalYaw+=t-this.lastAngle,this.lastAngle=t}else this.isTranslating&&n.forEach((t=>{if(t.inputSource!==this.inputSource)return;let e=null;if(t.results.length>0&&(e=this.getHitPoint(t.results[0])),null==e&&(e=this.getTouchLocation()),null!=e){if(this.goalPosition.sub(this.lastDragPosition),!1===this.placeOnWall){const t=e.y-this.lastDragPosition.y;if(t<0){this.placementBox.offsetHeight=t/r,this.presentedScene.setShadowOffset(t);const n=ip.copy(i.getCamera().position),s=-t/(n.y-e.y);n.multiplyScalar(s),e.multiplyScalar(1-s).add(n)}}this.goalPosition.add(e),this.lastDragPosition.copy(e)}}));else{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(n);this.firstRatio=t/r}}moveScene(t){const e=this.presentedScene,{position:n,yaw:i}=e,r=e.boundingSphere.radius,s=this.goalPosition,a=e.scale.x,o=this.placementBox;if(!s.equals(n)||this.goalScale!==a){let{x:i,y:l,z:h}=n;i=this.xDamper.update(i,s.x,t,r),l=this.yDamper.update(l,s.y,t,r),h=this.zDamper.update(h,s.z,t,r),n.set(i,l,h);const c=this.scaleDamper.update(a,this.goalScale,t,1);if(e.scale.set(c,c,c),!this.isTranslating){const t=s.y-l;this.placementComplete&&!1===this.placeOnWall?(o.offsetHeight=t/c,e.setShadowOffset(t)):0===t&&(this.placementComplete=!0,o.show=!1,e.setShadowIntensity(.8))}}o.updateOpacity(t),e.updateTarget(t),e.yaw=this.yawDamper.update(i,this.goalYaw,t,Math.PI)}onWebXRFrame(t,e){this.frame=e,++this.frames;const n=this.threeRenderer.xr.getReferenceSpace(),i=e.getViewerPose(n);null==i&&!0===this.tracking&&this.frames>30&&(this.tracking=!1,this.dispatchEvent({type:"tracking",status:"not-tracking"}));const r=this.presentedScene;if(null==i||null==r||!r.element[Pm]())return void this.threeRenderer.clear();!1===this.tracking&&(this.tracking=!0,this.dispatchEvent({type:"tracking",status:np}));let s=!0;for(const n of i.views){if(this.updateView(n),s){this.moveToFloor(e),this.processInput(e);const n=t-this.lastTick;this.moveScene(n),this.renderer.preRender(r,t,n),this.lastTick=t,r.renderShadow(this.threeRenderer)}this.threeRenderer.render(r,r.getCamera()),s=!1}}}class lp{constructor(t){t.threeRenderer.debug={checkShaderErrors:!0},Promise.resolve().then((()=>{self.dispatchEvent(new CustomEvent("model-viewer-renderer-debug",{detail:{renderer:t,THREE:{ShaderMaterial:ei,Texture:$t,Mesh:Yn,Scene:Xs,PlaneBufferGeometry:vi,OrthographicCamera:Ai,WebGLRenderTarget:Zt}}}))}))}addScene(t){self.dispatchEvent(new CustomEvent("model-viewer-scene-added-debug",{detail:{scene:t}}))}removeScene(t){self.dispatchEvent(new CustomEvent("model-viewer-scene-removed-debug",{detail:{scene:t}}))}}function hp(t){const e=new Map,n=new Map,i=t.clone();return cp(t,i,(function(t,i){e.set(i,t),n.set(t,i)})),i.traverse((function(t){if(!t.isSkinnedMesh)return;const i=t,r=e.get(t),s=r.skeleton.bones;i.skeleton=r.skeleton.clone(),i.bindMatrix.copy(r.bindMatrix),i.skeleton.bones=s.map((function(t){return n.get(t)})),i.bind(i.skeleton,i.bindMatrix)})),i}function cp(t,e,n){n(t,e);for(let i=0;i<t.children.length;i++)cp(t.children[i],e.children[i],n)}const up=Symbol("prepared"),dp=Symbol("prepare"),pp=Symbol("preparedGLTF"),mp=Symbol("clone");class fp{constructor(t){this[pp]=t}static prepare(t){if(null==t.scene)throw new Error("Model does not have a scene");if(t[up])return t;const e=this[dp](t);return e[up]=!0,e}static[dp](t){const{scene:e}=t,n=[e];return Object.assign(Object.assign({},t),{scene:e,scenes:n})}get parser(){return this[pp].parser}get animations(){return this[pp].animations}get scene(){return this[pp].scene}get scenes(){return this[pp].scenes}get cameras(){return this[pp].cameras}get asset(){return this[pp].asset}get userData(){return this[pp].userData}clone(){return new(0,this.constructor)(this[mp]())}dispose(){this.scenes.forEach((t=>{t.traverse((t=>{if(!t.isMesh)return;const e=t;(Array.isArray(e.material)?e.material:[e.material]).forEach((t=>{for(const e in t){const n=t[e];if(n instanceof $t){const t=n.source.data;t instanceof ImageBitmap&&t.close(),n.dispose()}}t.dispose()})),e.geometry.dispose()}))}))}[mp](){const t=this[pp],e=hp(this.scene);gp(e,this.scene);const n=[e],i=t.userData?Object.assign({},t.userData):{};return Object.assign(Object.assign({},t),{scene:e,scenes:n,userData:i})}}const gp=(t,e)=>{vp(t,e,((t,e)=>{void 0!==e.userData.variantMaterials&&(t.userData.variantMaterials=new Map(e.userData.variantMaterials)),void 0!==e.userData.variantData&&(t.userData.variantData=e.userData.variantData),void 0!==e.userData.originalMaterial&&(t.userData.originalMaterial=e.userData.originalMaterial)}))},vp=(t,e,n)=>{n(t,e);for(let i=0;i<t.children.length;i++)vp(t.children[i],e.children[i],n)},yp=Symbol("threeGLTF"),xp=Symbol("gltf"),bp=Symbol("gltfElementMap"),_p=Symbol("threeObjectMap"),wp=Symbol("parallelTraverseThreeScene"),Mp=Symbol("correlateOriginalThreeGLTF"),Sp=Symbol("correlateCloneThreeGLTF");class Tp{constructor(t,e,n,i){this[yp]=t,this[xp]=e,this[bp]=i,this[_p]=n}static from(t,e){return null!=e?this[Sp](t,e):this[Mp](t)}static[Mp](t){const e=t.parser.json,n=t.parser.associations,i=new Map,r={name:"Default"},s={type:"materials",index:-1};for(const t of n.keys())t instanceof gn&&null==n.get(t)&&(s.index<0&&(null==e.materials&&(e.materials=[]),s.index=e.materials.length,e.materials.push(r)),t.name=r.name,n.set(t,{materials:s.index}));for(const[t,r]of n){if(r){const e=t;e.userData=e.userData||{},e.userData.associations=r}for(const n in r)if(null!=n&&"primitives"!==n){const s=n,a=(e[s]||[])[r[s]];if(null==a)continue;let o=i.get(a);null==o&&(o=new Set,i.set(a,o)),o.add(t)}}return new Tp(t,e,n,i)}static[Sp](t,e){const n=e.threeGLTF,i=e.gltf,r=JSON.parse(JSON.stringify(i)),s=new Map,a=new Map;for(let i=0;i<n.scenes.length;i++)this[wp](n.scenes[i],t.scenes[i],((t,n)=>{const i=e.threeObjectMap.get(t);if(null!=i)for(const t in i)if(null!=t&&"primitives"!==t){const e=t,o=i[e],l=r[e][o],h=s.get(n)||{};h[e]=o,s.set(n,h);const c=a.get(l)||new Set;c.add(n),a.set(l,c)}}));return new Tp(t,r,s,a)}static[wp](t,e,n){const i=(t,e)=>{if(n(t,e),t.isObject3D){if(t.isMesh)if(Array.isArray(t.material))for(let n=0;n<t.material.length;++n)i(t.material[n],e.material[n]);else i(t.material,e.material);for(let n=0;n<t.children.length;++n)i(t.children[n],e.children[n])}};i(t,e)}get threeGLTF(){return this[yp]}get gltf(){return this[xp]}get gltfElementMap(){return this[bp]}get threeObjectMap(){return this[_p]}}const Ep=Symbol("correlatedSceneGraph");class Ap extends fp{static[dp](t){const e=super[dp](t);null==e[Ep]&&(e[Ep]=Tp.from(e));const{scene:n}=e,i=new we(void 0,1/0);return n.traverse((t=>{t.renderOrder=1e3,t.frustumCulled=!1,t.name||(t.name=t.uuid);const n=t;if(n.isMesh){const{geometry:t}=n;n.castShadow=!0,n.isSkinnedMesh&&(t.boundingSphere=i,t.boundingBox=null);const r=n.material;if(!0===r.isMeshBasicMaterial&&(r.toneMapped=!1),r.shadowSide=0,r.aoMap){const{gltf:n,threeObjectMap:i}=e[Ep],s=i.get(r);if(null!=n.materials&&null!=s&&null!=s.materials){const e=n.materials[s.materials];e.occlusionTexture&&0===e.occlusionTexture.texCoord&&null!=t.attributes.uv&&t.setAttribute("uv2",t.attributes.uv)}}}})),e}get correlatedSceneGraph(){return this[pp][Ep]}[mp](){const t=super[mp](),e=new Map;return t.scene.traverse((t=>{if(t.isMesh){const n=t,i=n.material;if(null!=i){if(e.has(i.uuid))return void(n.material=e.get(i.uuid));n.material=i.clone(),e.set(i.uuid,n.material)}}})),t[Ep]=Tp.from(t,this.correlatedSceneGraph),t}}class Rp extends Xs{constructor(){super(),this.position.y=-3.5;const t=new Jn;t.deleteAttribute("uv");const e=new $o({metalness:0,side:1}),n=new $o({metalness:0}),i=new kl(16777215,500,28,2);i.position.set(.418,16.199,.3),this.add(i);const r=new Yn(t,e);r.position.set(-.757,13.219,.717),r.scale.set(31.713,28.305,28.591),this.add(r);const s=new Yn(t,n);s.position.set(-10.906,2.009,1.846),s.rotation.set(0,-.195,0),s.scale.set(2.328,7.905,4.651),this.add(s);const a=new Yn(t,n);a.position.set(-5.607,-.754,-.758),a.rotation.set(0,.994,0),a.scale.set(1.97,1.534,3.955),this.add(a);const o=new Yn(t,n);o.position.set(6.167,.857,7.803),o.rotation.set(0,.561,0),o.scale.set(3.927,6.285,3.687),this.add(o);const l=new Yn(t,n);l.position.set(-2.017,.018,6.124),l.rotation.set(0,.333,0),l.scale.set(2.002,4.566,2.064),this.add(l);const h=new Yn(t,n);h.position.set(2.291,-.756,-2.621),h.rotation.set(0,-.286,0),h.scale.set(1.546,1.552,1.496),this.add(h);const c=new Yn(t,n);c.position.set(-2.193,-.369,-5.547),c.rotation.set(0,.516,0),c.scale.set(3.875,3.487,2.986),this.add(c);const u=new Yn(t,this.createAreaLightMaterial(50));u.position.set(-16.116,14.37,8.208),u.scale.set(.1,2.428,2.739),this.add(u);const d=new Yn(t,this.createAreaLightMaterial(50));d.position.set(-16.109,18.021,-8.207),d.scale.set(.1,2.425,2.751),this.add(d);const p=new Yn(t,this.createAreaLightMaterial(17));p.position.set(14.904,12.198,-1.832),p.scale.set(.15,4.265,6.331),this.add(p);const m=new Yn(t,this.createAreaLightMaterial(43));m.position.set(-.462,8.89,14.52),m.scale.set(4.38,5.441,.088),this.add(m);const f=new Yn(t,this.createAreaLightMaterial(20));f.position.set(3.235,11.486,-12.541),f.scale.set(2.5,2,.1),this.add(f);const g=new Yn(t,this.createAreaLightMaterial(100));g.position.set(0,20,0),g.scale.set(1,.1,1),this.add(g)}createAreaLightMaterial(t){const e=new vn;return e.color.setScalar(t),e}}class Cp extends Xs{constructor(){super(),this.position.y=-3.5;const t=new Jn;t.deleteAttribute("uv");const e=new $o({metalness:0,side:1}),n=new $o({metalness:0}),i=new kl(16777215,400,28,2);i.position.set(.5,14,.5),this.add(i);const r=new Yn(t,e);r.position.set(0,13.2,0),r.scale.set(31.5,28.5,31.5),this.add(r);const s=new Yn(t,n);s.position.set(-10.906,-1,1.846),s.rotation.set(0,-.195,0),s.scale.set(2.328,7.905,4.651),this.add(s);const a=new Yn(t,n);a.position.set(-5.607,-.754,-.758),a.rotation.set(0,.994,0),a.scale.set(1.97,1.534,3.955),this.add(a);const o=new Yn(t,n);o.position.set(6.167,-.16,7.803),o.rotation.set(0,.561,0),o.scale.set(3.927,6.285,3.687),this.add(o);const l=new Yn(t,n);l.position.set(-2.017,.018,6.124),l.rotation.set(0,.333,0),l.scale.set(2.002,4.566,2.064),this.add(l);const h=new Yn(t,n);h.position.set(2.291,-.756,-2.621),h.rotation.set(0,-.286,0),h.scale.set(1.546,1.552,1.496),this.add(h);const c=new Yn(t,n);c.position.set(-2.193,-.369,-5.547),c.rotation.set(0,.516,0),c.scale.set(3.875,3.487,2.986),this.add(c);const u=new Yn(t,this.createAreaLightMaterial(80));u.position.set(-14,10,8),u.scale.set(.1,2.5,2.5),this.add(u);const d=new Yn(t,this.createAreaLightMaterial(80));d.position.set(-14,14,-4),d.scale.set(.1,2.5,2.5),this.add(d);const p=new Yn(t,this.createAreaLightMaterial(23));p.position.set(14,12,0),p.scale.set(.1,5,5),this.add(p);const m=new Yn(t,this.createAreaLightMaterial(16));m.position.set(0,9,14),m.scale.set(5,5,.1),this.add(m);const f=new Yn(t,this.createAreaLightMaterial(80));f.position.set(7,8,-14),f.scale.set(2.5,2.5,.1),this.add(f);const g=new Yn(t,this.createAreaLightMaterial(80));g.position.set(-7,16,-14),g.scale.set(2.5,2.5,.1),this.add(g);const v=new Yn(t,this.createAreaLightMaterial(1));v.position.set(0,20,0),v.scale.set(.1,.1,.1),this.add(v)}createAreaLightMaterial(t){const e=new vn;return e.color.setScalar(t),e}}const Lp=/\.hdr(\.js)?$/,Pp=new El,Dp=new class extends Tl{constructor(t){super(t),this.type=k}parse(t){const e=function(t,e){switch(t){case 1:console.error("THREE.RGBELoader Read Error: "+(e||""));break;case 2:console.error("THREE.RGBELoader Write Error: "+(e||""));break;case 3:console.error("THREE.RGBELoader Bad File Format: "+(e||""));break;default:console.error("THREE.RGBELoader: Error: "+(e||""))}return-1},n=function(t,e,n){e=e||1024;let i=t.pos,r=-1,s=0,a="",o=String.fromCharCode.apply(null,new Uint16Array(t.subarray(i,i+128)));for(;0>(r=o.indexOf("\n"))&&s<e&&i<t.byteLength;)a+=o,s+=o.length,i+=128,o+=String.fromCharCode.apply(null,new Uint16Array(t.subarray(i,i+128)));return-1<r&&(!1!==n&&(t.pos+=s+r+1),a+o.slice(0,r))},i=function(t,e,n,i){const r=t[e+3],s=Math.pow(2,r-128)/255;n[i+0]=t[e+0]*s,n[i+1]=t[e+1]*s,n[i+2]=t[e+2]*s,n[i+3]=1},r=function(t,e,n,i){const r=t[e+3],s=Math.pow(2,r-128)/255;n[i+0]=mh.toHalfFloat(Math.min(t[e+0]*s,65504)),n[i+1]=mh.toHalfFloat(Math.min(t[e+1]*s,65504)),n[i+2]=mh.toHalfFloat(Math.min(t[e+2]*s,65504)),n[i+3]=mh.toHalfFloat(1)},s=new Uint8Array(t);s.pos=0;const a=function(t){const i=/^\s*GAMMA\s*=\s*(\d+(\.\d+)?)\s*$/,r=/^\s*EXPOSURE\s*=\s*(\d+(\.\d+)?)\s*$/,s=/^\s*FORMAT=(\S+)\s*$/,a=/^\s*\-Y\s+(\d+)\s+\+X\s+(\d+)\s*$/,o={valid:0,string:"",comments:"",programtype:"RGBE",format:"",gamma:1,exposure:1,width:0,height:0};let l,h;if(t.pos>=t.byteLength||!(l=n(t)))return e(1,"no header found");if(!(h=l.match(/^#\?(\S+)/)))return e(3,"bad initial token");for(o.valid|=1,o.programtype=h[1],o.string+=l+"\n";l=n(t),!1!==l;)if(o.string+=l+"\n","#"!==l.charAt(0)){if((h=l.match(i))&&(o.gamma=parseFloat(h[1])),(h=l.match(r))&&(o.exposure=parseFloat(h[1])),(h=l.match(s))&&(o.valid|=2,o.format=h[1]),(h=l.match(a))&&(o.valid|=4,o.height=parseInt(h[1],10),o.width=parseInt(h[2],10)),2&o.valid&&4&o.valid)break}else o.comments+=l+"\n";return 2&o.valid?4&o.valid?o:e(3,"missing image size specifier"):e(3,"missing format specifier")}(s);if(-1!==a){const t=a.width,n=a.height,o=function(t,n,i){const r=n;if(r<8||r>32767||2!==t[0]||2!==t[1]||128&t[2])return new Uint8Array(t);if(r!==(t[2]<<8|t[3]))return e(3,"wrong scanline width");const s=new Uint8Array(4*n*i);if(!s.length)return e(4,"unable to allocate buffer space");let a=0,o=0;const l=4*r,h=new Uint8Array(4),c=new Uint8Array(l);let u=i;for(;u>0&&o<t.byteLength;){if(o+4>t.byteLength)return e(1);if(h[0]=t[o++],h[1]=t[o++],h[2]=t[o++],h[3]=t[o++],2!=h[0]||2!=h[1]||(h[2]<<8|h[3])!=r)return e(3,"bad rgbe scanline format");let n,i=0;for(;i<l&&o<t.byteLength;){n=t[o++];const r=n>128;if(r&&(n-=128),0===n||i+n>l)return e(3,"bad scanline data");if(r){const e=t[o++];for(let t=0;t<n;t++)c[i++]=e}else c.set(t.subarray(o,o+n),i),i+=n,o+=n}const d=r;for(let t=0;t<d;t++){let e=0;s[a]=c[t+e],e+=r,s[a+1]=c[t+e],e+=r,s[a+2]=c[t+e],e+=r,s[a+3]=c[t+e],a+=4}u--}return s}(s.subarray(s.pos),t,n);if(-1!==o){let e,s,l,h;switch(this.type){case U:h=o.length/4;const t=new Float32Array(4*h);for(let e=0;e<h;e++)i(o,4*e,t,4*e);e=t,l=U;break;case k:h=o.length/4;const n=new Uint16Array(4*h);for(let t=0;t<h;t++)r(o,4*t,n,4*t);e=n,l=k;break;default:console.error("THREE.RGBELoader: unsupported type: ",this.type)}return{width:t,height:n,data:e,header:a.string,gamma:a.gamma,exposure:a.exposure,format:s,type:l}}}return null}setDataType(t){return this.type=t,this}load(t,e,n,i){return super.load(t,(function(t,n){switch(t.type){case U:case k:t.encoding=at,t.minFilter=P,t.magFilter=P,t.generateMipmaps=!1,t.flipY=!0}e&&e(t,n)}),n,i)}};Dp.setDataType(k);class Ip extends ft{constructor(t){super(),this.threeRenderer=t,this.generatedEnvironmentMap=null,this.generatedEnvironmentMapAlt=null,this.skyboxCache=new Map,this.blurMaterial=null,this.blurScene=null}async load(t,e=()=>{}){try{const n=Lp.test(t),i=n?Dp:Pp,r=await new Promise(((n,r)=>i.load(t,n,(t=>{e(t.loaded/t.total*.9)}),r)));return e(1),r.name=t,r.mapping=M,n||(r.encoding=ot),r}finally{e&&e(1)}}async generateEnvironmentMapAndSkybox(t=null,e=null,n={}){const{progressTracker:i}=n,r="neutral"===e;!0===r&&(e=null),e=rd(e);let s,a=Promise.resolve(null);t&&(a=this.loadEquirectFromUrl(t,i)),s=e?this.loadEquirectFromUrl(e,i):t?this.loadEquirectFromUrl(t,i):!0===r?this.loadGeneratedEnvironmentMapAlt():this.loadGeneratedEnvironmentMap();let[o,l]=await Promise.all([s,a]);if(null==o)throw new Error("Failed to load environment map.");return{environmentMap:o,skybox:l}}async loadEquirectFromUrl(t,e){if(!this.skyboxCache.has(t)){const n=e?e.beginActivity():()=>{},i=this.load(t,n);this.skyboxCache.set(t,i)}return this.skyboxCache.get(t)}async GenerateEnvironmentMap(t,e){await ud();const n=this.threeRenderer,i=new oi(256,{generateMipmaps:!1,type:k,format:z,encoding:at,depthBuffer:!0}),r=new si(.1,100,i),s=r.renderTarget.texture;s.name=e;const a=n.outputEncoding,o=n.toneMapping;return n.toneMapping=0,n.outputEncoding=at,r.update(n,t),this.blurCubemap(i,.04),n.toneMapping=o,n.outputEncoding=a,s}async loadGeneratedEnvironmentMap(){return null==this.generatedEnvironmentMap&&(this.generatedEnvironmentMap=this.GenerateEnvironmentMap(new Rp,"default")),this.generatedEnvironmentMap}async loadGeneratedEnvironmentMapAlt(){return null==this.generatedEnvironmentMapAlt&&(this.generatedEnvironmentMapAlt=this.GenerateEnvironmentMap(new Cp,"neutral")),this.generatedEnvironmentMapAlt}blurCubemap(t,e){if(null==this.blurMaterial){this.blurMaterial=this.getBlurShader(20);const t=new Jn,e=new Yn(t,this.blurMaterial);this.blurScene=new Xs,this.blurScene.add(e)}const n=t.clone();this.halfblur(t,n,e,"latitudinal"),this.halfblur(n,t,e,"longitudinal")}halfblur(t,e,n,i){const r=t.width,s=isFinite(n)?Math.PI/(2*r):2*Math.PI/39,a=n/s,o=isFinite(n)?1+Math.floor(3*a):20;o>20&&console.warn(`sigmaRadians, ${n}, is too large and will clip, as it requested ${o} samples when the maximum is set to 20`);const l=[];let h=0;for(let t=0;t<20;++t){const e=t/a,n=Math.exp(-e*e/2);l.push(n),0==t?h+=n:t<o&&(h+=2*n)}for(let t=0;t<l.length;t++)l[t]=l[t]/h;const c=this.blurMaterial.uniforms;c.envMap.value=t.texture,c.samples.value=o,c.weights.value=l,c.latitudinal.value="latitudinal"===i,c.dTheta.value=s,new si(.1,100,e).update(this.threeRenderer,this.blurScene)}getBlurShader(t){const e=new Float32Array(t),n=new te(0,1,0);return new ei({name:"SphericalGaussianBlur",defines:{n:t},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:e},latitudinal:{value:!1},dTheta:{value:0},poleAxis:{value:n}},vertexShader:"\n      \n      varying vec3 vOutputDirection;\n  \n      void main() {\n  \n        vOutputDirection = vec3( position );\n        gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n  \n      }\n    ",fragmentShader:"\n        varying vec3 vOutputDirection;\n  \n        uniform samplerCube envMap;\n        uniform int samples;\n        uniform float weights[ n ];\n        uniform bool latitudinal;\n        uniform float dTheta;\n        uniform vec3 poleAxis;\n  \n        vec3 getSample( float theta, vec3 axis ) {\n  \n          float cosTheta = cos( theta );\n          // Rodrigues' axis-angle rotation\n          vec3 sampleDirection = vOutputDirection * cosTheta\n            + cross( axis, vOutputDirection ) * sin( theta )\n            + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n  \n          return vec3( textureCube( envMap, sampleDirection ) );\n  \n        }\n  \n        void main() {\n  \n          vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n  \n          if ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n  \n            axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n  \n          }\n  \n          axis = normalize( axis );\n  \n          gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n          gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n  \n          for ( int i = 1; i < n; i++ ) {\n  \n            if ( i >= samples ) {\n  \n              break;\n  \n            }\n  \n            float theta = dTheta * float( i );\n            gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n            gl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n  \n          }\n        }\n      ",blending:0,depthTest:!1,depthWrite:!1,side:1})}async dispose(){for(const[,t]of this.skyboxCache)(await t).dispose();null!=this.generatedEnvironmentMap&&((await this.generatedEnvironmentMap).dispose(),this.generatedEnvironmentMap=null),null!=this.generatedEnvironmentMapAlt&&((await this.generatedEnvironmentMapAlt).dispose(),this.generatedEnvironmentMapAlt=null),null!=this.blurMaterial&&this.blurMaterial.dispose()}}const Op=[1,.79,.62,.5,.4,.31,.25],Np="high-performance";class Fp extends ft{constructor(t){super(),this.loader=new Zu(Ap),this.width=0,this.height=0,this.dpr=1,this.debugger=null,this.scenes=new Set,this.multipleScenesVisible=!1,this.scaleStep=0,this.lastStep=3,this.avgFrameDuration=22,this.onWebGLContextLost=t=>{this.dispatchEvent({type:"contextlost",sourceEvent:t})},this.onWebGLContextRestored=()=>{var t;null===(t=this.textureUtils)||void 0===t||t.dispose(),this.textureUtils=new Ip(this.threeRenderer);for(const t of this.scenes)t.element[Gd]()},this.dpr=hd(),this.canvas3D=document.createElement("canvas"),this.canvas3D.id="webgl-canvas";try{this.threeRenderer=new qs({canvas:this.canvas3D,alpha:!0,antialias:!0,powerPreference:t.powerPreference,preserveDrawingBuffer:!0}),this.threeRenderer.autoClear=!0,this.threeRenderer.outputEncoding=ot,this.threeRenderer.physicallyCorrectLights=!0,this.threeRenderer.setPixelRatio(1),this.debugger=t.debug?new lp(this):null,this.threeRenderer.debug={checkShaderErrors:!!this.debugger},this.threeRenderer.toneMapping=4}catch(t){console.warn(t)}this.arRenderer=new op(this),this.textureUtils=this.canRender?new Ip(this.threeRenderer):null,Zu.initializeKTX2Loader(this.threeRenderer),this.canvas3D.addEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.addEventListener("webglcontextrestored",this.onWebGLContextRestored),this.updateRendererSize(),this.lastTick=performance.now(),this.avgFrameDuration=0}static get singleton(){return this._singleton}static resetSingleton(){const t=this._singleton.dispose();for(const e of t)e.disconnectedCallback();this._singleton=new Fp({powerPreference:(self.ModelViewerElement||{}).powerPreference||Np,debug:cd()});for(const e of t)e.connectedCallback()}get canRender(){return null!=this.threeRenderer}get scaleFactor(){return Op[this.scaleStep]}set minScale(t){let e=1;for(;e<Op.length&&!(Op[e]<t);)++e;this.lastStep=e-1}updateRendererSize(){const t=hd();if(t!==this.dpr)for(const t of this.scenes){const{element:e}=t;e[om](e.getBoundingClientRect())}let e=0,n=0;for(const t of this.scenes)e=Math.max(e,t.width),n=Math.max(n,t.height);if(e===this.width&&n===this.height&&t===this.dpr)return;this.width=e,this.height=n,this.dpr=t,this.canRender&&this.threeRenderer.setSize(e*t,n*t,!1);const i=this.scaleFactor,r=e/i,s=n/i;this.canvas3D.style.width=`${r}px`,this.canvas3D.style.height=`${s}px`;for(const i of this.scenes){const{canvas:a}=i;a.width=Math.round(e*t),a.height=Math.round(n*t),a.style.width=`${r}px`,a.style.height=`${s}px`,i.queueRender()}}updateRendererScale(){const t=this.scaleStep;if(this.avgFrameDuration>26?++this.scaleStep:this.avgFrameDuration<18&&this.scaleStep>0&&--this.scaleStep,this.scaleStep=Math.min(this.scaleStep,this.lastStep),t==this.scaleStep)return;const e=this.scaleFactor;this.avgFrameDuration=22;const n=this.width/e,i=this.height/e;this.canvas3D.style.width=`${n}px`,this.canvas3D.style.height=`${i}px`;for(const t of this.scenes){const{style:e}=t.canvas;e.width=`${n}px`,e.height=`${i}px`,t.queueRender(),this.dispatchRenderScale(t)}}dispatchRenderScale(t){const e=this.scaleFactor,n=this.dpr*e,i=e<1?"GPU throttling":this.dpr!==window.devicePixelRatio?"No meta viewport tag":"";t.element.dispatchEvent(new CustomEvent("render-scale",{detail:{reportedDpr:window.devicePixelRatio,renderedDpr:n,minimumDpr:this.dpr*Op[this.lastStep],pixelWidth:Math.ceil(t.width*n),pixelHeight:Math.ceil(t.height*n),reason:i}}))}registerScene(t){this.scenes.add(t);const{canvas:e}=t,n=this.scaleFactor;e.width=Math.round(this.width*this.dpr),e.height=Math.round(this.height*this.dpr),e.style.width=this.width/n+"px",e.style.height=this.height/n+"px",this.multipleScenesVisible&&e.classList.add("show"),t.queueRender(),this.dispatchRenderScale(t),this.canRender&&this.scenes.size>0&&this.threeRenderer.setAnimationLoop(((t,e)=>this.render(t,e))),null!=this.debugger&&this.debugger.addScene(t)}unregisterScene(t){this.scenes.delete(t),this.canRender&&0===this.scenes.size&&this.threeRenderer.setAnimationLoop(null),null!=this.debugger&&this.debugger.removeScene(t)}displayCanvas(t){return this.multipleScenesVisible?t.element[bm]:this.canvas3D}selectCanvas(){let t=0,e=null;for(const n of this.scenes){const{element:i}=n;i.modelIsVisible&&null==n.externalRenderer&&(++t,e=n.canvas)}if(null==e)return;const n=t>1,{canvas3D:i}=this;if(n!==this.multipleScenesVisible||!n&&i.parentElement!==e.parentElement){this.multipleScenesVisible=n,n&&i.classList.remove("show");for(const t of this.scenes){if(null!=t.externalRenderer)continue;const r=t.element[bm];n?(r.classList.add("show"),t.queueRender()):t.canvas===e&&(t.canvas.parentElement.appendChild(i),i.classList.add("show"),r.classList.remove("show"),t.queueRender())}}}orderedScenes(){const t=[];for(const e of[!1,!0])for(const n of this.scenes)n.element.modelIsVisible===e&&t.push(n);return t}get isPresenting(){return this.arRenderer.isPresenting}preRender(t,e,n){const{element:i,exposure:r}=t;i[Mm](e,n);const s="number"==typeof r&&!self.isNaN(r);this.threeRenderer.toneMappingExposure=s?r:1}render(t,e){if(null!=e)return void this.arRenderer.onWebXRFrame(t,e);const n=t-this.lastTick;if(this.lastTick=t,!this.canRender||this.isPresenting)return;this.avgFrameDuration+=ld(.2*(n-this.avgFrameDuration),-2,2),this.selectCanvas(),this.updateRendererSize(),this.updateRendererScale();const{dpr:i,scaleFactor:r}=this;for(const e of this.orderedScenes()){const{element:s}=e;if(!s.modelIsVisible&&e.renderCount>0)continue;if(this.preRender(e,t,n),!e.shouldRender())continue;if(null!=e.externalRenderer){const t=e.getCamera();t.updateMatrix();const{matrix:n,projectionMatrix:i}=t,r=n.elements.slice(),s=e.getTarget();r[12]+=s.x,r[13]+=s.y,r[14]+=s.z,e.externalRenderer.render({viewMatrix:r,projectionMatrix:i.elements});continue}if(!s.modelIsVisible&&!this.multipleScenesVisible)for(const t of this.scenes)t.element.modelIsVisible&&t.queueRender();const a=Math.min(Math.ceil(e.width*r*i),this.canvas3D.width),o=Math.min(Math.ceil(e.height*r*i),this.canvas3D.height);if(e.renderShadow(this.threeRenderer),this.threeRenderer.setRenderTarget(null),this.threeRenderer.setViewport(0,Math.floor(this.height*i)-o,a,o),this.threeRenderer.render(e,e.camera),this.multipleScenesVisible){null==e.context&&e.createContext();const t=e.context;t.clearRect(0,0,a,o),t.drawImage(this.canvas3D,0,0,a,o,0,0,a,o)}e.hasRendered(),s.loaded&&++e.renderCount}}dispose(){null!=this.textureUtils&&this.textureUtils.dispose(),null!=this.threeRenderer&&this.threeRenderer.dispose(),this.textureUtils=null,this.threeRenderer=null;const t=[];for(const e of this.scenes)t.push(e.element);return this.canvas3D.removeEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.removeEventListener("webglcontextrestored",this.onWebGLContextRestored),t}}Fp._singleton=new Fp({powerPreference:(self.ModelViewerElement||{}).powerPreference||Np,debug:cd()});class Up extends EventTarget{constructor(){super(...arguments),this.ongoingActivities=new Set,this.totalProgress=0}get ongoingActivityCount(){return this.ongoingActivities.size}beginActivity(){const t={progress:0,completed:!1};return this.ongoingActivities.add(t),1===this.ongoingActivityCount&&this.announceTotalProgress(t,0),e=>{let n;return n=Math.max(ld(e,0,1),t.progress),n!==t.progress&&this.announceTotalProgress(t,n),t.progress}}announceTotalProgress(t,e){let n=0,i=0;1==e&&(t.completed=!0);for(const t of this.ongoingActivities){const{progress:e}=t;n+=1-e,!0===t.completed&&i++}const r=t.progress;t.progress=e,this.totalProgress+=(e-r)*(1-this.totalProgress)/n;const s=i===this.ongoingActivityCount?1:this.totalProgress;this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:s}})),i===this.ongoingActivityCount&&(this.totalProgress=0,this.ongoingActivities.clear())}}var kp,Bp,zp,Hp,Vp,Gp,Wp,jp,qp,Xp,$p,Yp,Zp=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Jp=document.createElement("canvas"),Kp=Symbol("fallbackResizeHandler"),Qp=Symbol("defaultAriaLabel"),tm=Symbol("resizeObserver"),em=Symbol("clearModelTimeout"),nm=Symbol("onContextLost"),im=Symbol("loaded"),rm=Symbol("status"),sm=Symbol("onFocus"),am=Symbol("onBlur"),om=Symbol("updateSize"),lm=Symbol("intersectionObserver"),hm=Symbol("isElementInViewport"),cm=Symbol("announceModelVisibility"),um=Symbol("ariaLabel"),dm=Symbol("altDefaulted"),pm=Symbol("statusElement"),mm=Symbol("updateStatus"),fm=Symbol("loadedTime"),gm=Symbol("updateSource"),vm=Symbol("markLoaded"),ym=Symbol("container"),xm=Symbol("input"),bm=Symbol("canvas"),_m=Symbol("scene"),wm=Symbol("needsRender"),Mm=Symbol("tick"),Sm=Symbol("onModelLoad"),Tm=Symbol("onResize"),Em=Symbol("renderer"),Am=Symbol("progressTracker"),Rm=Symbol("getLoaded"),Cm=Symbol("getModelIsVisible"),Lm=Symbol("shouldAttemptPreload"),Pm=Symbol("sceneIsReady"),Dm=Symbol("hasTransitioned"),Im=t=>({x:t.x,y:t.y,z:t.z,toString(){return`${this.x}m ${this.y}m ${this.z}m`}}),Om=t=>({u:t.x,v:t.y,toString(){return`${this.u} ${this.v}`}});class Nm extends Nh{constructor(){super(),this.alt=null,this.src=null,this.withCredentials=!1,this[kp]=!1,this[Bp]=!1,this[zp]=0,this[Hp]=null,this[Vp]=od((()=>{const t=this.getBoundingClientRect();this[om](t)}),50),this[Gp]=od((t=>{const e=this.modelIsVisible;e!==t&&this.dispatchEvent(new CustomEvent("model-visibility",{detail:{visible:e}}))}),0),this[Wp]=null,this[jp]=null,this[qp]=new Up,this[Xp]=()=>{this[pm].textContent=this[rm]},this[$p]=()=>{this[pm].textContent=""},this[Yp]=t=>{this.dispatchEvent(new CustomEvent("error",{detail:{type:"webglcontextlost",sourceError:t.sourceEvent}}))},this.attachShadow({mode:"open"});const t=this.shadowRoot;let e,n;if((t=>{ic(Dc,t)})(t),this[ym]=t.querySelector(".container"),this[xm]=t.querySelector(".userInput"),this[bm]=t.querySelector("canvas"),this[pm]=t.querySelector("#status"),this[Qp]=this[xm].getAttribute("aria-label"),this.isConnected){const t=this.getBoundingClientRect();e=t.width,n=t.height}else e=300,n=150;this[_m]=new Bd({canvas:this[bm],element:this,width:e,height:n}),this[_m].addEventListener("model-load",(async t=>{this[vm](),this[Sm](),await ud(),this.dispatchEvent(new CustomEvent("load",{detail:{url:t.url}}))})),Promise.resolve().then((()=>{this[om](this.getBoundingClientRect())})),Mc&&(this[tm]=new ResizeObserver((t=>{if(!this[Em].isPresenting)for(let e of t)e.target===this&&this[om](e.contentRect)}))),Sc?this[lm]=new IntersectionObserver((t=>{for(let e of t)if(e.target===this){const t=this.modelIsVisible;this[hm]=e.isIntersecting,this[cm](t),this[hm]&&!this[Pm]()&&this[gm]()}}),{root:null,rootMargin:"0px",threshold:0}):this[hm]=!0}static get is(){return"model-viewer"}static set modelCacheSize(t){Zu[$u].evictionThreshold=t}static get modelCacheSize(){return Zu[$u].evictionThreshold}static set minimumRenderScale(t){t>1&&console.warn("<model-viewer> minimumRenderScale has been clamped to a maximum value of 1."),t<=0&&console.warn("<model-viewer> minimumRenderScale has been clamped to a minimum value of 0.25."),Fp.singleton.minScale=t}static get minimumRenderScale(){return Fp.singleton.minScale}get loaded(){return this[Rm]()}get[(kp=hm,Bp=im,zp=fm,Hp=em,Vp=Kp,Gp=cm,Wp=tm,jp=lm,qp=Am,Em)](){return Fp.singleton}get modelIsVisible(){return this[Cm]()}connectedCallback(){super.connectedCallback&&super.connectedCallback(),Mc?this[tm].observe(this):self.addEventListener("resize",this[Kp]),Sc&&this[lm].observe(this),this.addEventListener("focus",this[sm]),this.addEventListener("blur",this[am]);const t=this[Em];t.addEventListener("contextlost",this[nm]),t.registerScene(this[_m]),null!=this[em]&&(self.clearTimeout(this[em]),this[em]=null,this.requestUpdate("src",null))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),Mc?this[tm].unobserve(this):self.removeEventListener("resize",this[Kp]),Sc&&this[lm].unobserve(this),this.removeEventListener("focus",this[sm]),this.removeEventListener("blur",this[am]);const t=this[Em];t.removeEventListener("contextlost",this[nm]),t.unregisterScene(this[_m]),this[em]=self.setTimeout((()=>{this[_m].reset()}),1e3)}updated(t){super.updated(t),t.has("src")&&(null==this.src?(this[im]=!1,this[fm]=0,this[_m].reset()):this.src!==this[_m].url&&(this[im]=!1,this[fm]=0,this[gm]())),t.has("alt")&&this[xm].setAttribute("aria-label",this[um]),t.has("withCredentials")&&(Zu.withCredentials=this.withCredentials)}toDataURL(t,e){return this[Em].displayCanvas(this[_m]).toDataURL(t,e)}async toBlob(t){const e=t?t.mimeType:void 0,n=t?t.qualityArgument:void 0,i=t?t.idealAspect:void 0,{width:r,height:s,idealAspect:a,aspect:o}=this[_m],{dpr:l,scaleFactor:h}=this[Em];let c=r*h*l,u=s*h*l,d=0,p=0;if(!0===i)if(a>o){const t=u;u=Math.round(c/a),p=(t-u)/2}else{const t=c;c=Math.round(u*a),d=(t-c)/2}Jp.width=c,Jp.height=u;try{return new Promise((async(t,i)=>(Jp.getContext("2d").drawImage(this[Em].displayCanvas(this[_m]),d,p,c,u,0,0,c,u),!Jp.msToBlob||e&&"image/png"!==e?Jp.toBlob?void Jp.toBlob((e=>{if(!e)return i(new Error("Unable to retrieve canvas blob"));t(e)}),e,n):t(await(async t=>new Promise(((e,n)=>{const i=t.match(/data:(.*);/);if(!i)return n(new Error(`${t} is not a valid data Url`));const r=i[1],s=t.replace(/data:image\/\w+;base64,/,""),a=atob(s),o=[];for(let t=0;t<a.length;t+=512){const e=a.slice(t,t+512),n=new Array(e.length);for(let t=0;t<e.length;t++)n[t]=e.charCodeAt(t);const i=new Uint8Array(n);o.push(i)}e(new Blob(o,{type:r}))})))(Jp.toDataURL(e,n))):t(Jp.msToBlob()))))}finally{this[om]({width:r,height:s})}}registerRenderer(t){this[_m].externalRenderer=t}unregisterRenderer(){this[_m].externalRenderer=null}get[um](){return this[dm]}get[dm](){return null==this.alt||"null"===this.alt?this[Qp]:this.alt}[Rm](){return this[im]}[Cm](){return this.loaded&&this[hm]}[Dm](){return this.modelIsVisible}[Lm](){return!!this.src&&this[hm]}[Pm](){return this[im]}[om]({width:t,height:e}){this[ym].style.width=`${t}px`,this[ym].style.height=`${e}px`,this[Tm]({width:parseFloat(t),height:parseFloat(e)})}[Mm](t,e){}[vm](){this[im]||(this[im]=!0,this[fm]=performance.now())}[wm](){this[_m].queueRender()}[Sm](){}[mm](t){this[rm]=t;const e=this.getRootNode();null!=e&&e.activeElement===this&&this[pm].textContent!=t&&(this[pm].textContent=t)}[(Xp=sm,$p=am,Tm)](t){this[_m].setSize(t.width,t.height)}async[(Yp=nm,gm)](){if(this.loaded||!this[Lm]())return;const t=this[Am].beginActivity(),e=this.src;try{await 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function(t,e,n,i,r){Cf(t,e,101010256),Cf(t,e+8,n),Cf(t,e+10,n),Cf(t,e+12,i),Cf(t,e+16,r)}(x,r,i.length,_,b),x}(e,{level:0})}}function kf(t,e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const n=1024/Math.max(t.width,t.height),i=document.createElement("canvas");i.width=t.width*Math.min(1,n),i.height=t.height*Math.min(1,n);const r=i.getContext("2d");if(r.drawImage(t,0,0,i.width,i.height),void 0!==e){const t=parseInt(e,16),n=(t>>16&255)/255,s=(t>>8&255)/255,a=(255&t)/255,o=r.getImageData(0,0,i.width,i.height),l=o.data;for(let t=0;t<l.length;t+=4)l[t+0]=l[t+0]*n,l[t+1]=l[t+1]*s,l[t+2]=l[t+2]*a;r.putImageData(o,0,0)}return i}}const Bf=7;function zf(t,e){return`(${t[e+0]}, ${t[e+1]}, ${t[e+2]}, ${t[e+3]})`}function Hf(t,e){if(void 0===t)return console.warn("USDZExporter: Normals missing."),Array(e).fill("(0, 0, 0)").join(", ");const n=[];for(let e=0;e<t.count;e++){const i=t.getX(e),r=t.getY(e),s=t.getZ(e);n.push(`(${i.toPrecision(Bf)}, ${r.toPrecision(Bf)}, ${s.toPrecision(Bf)})`)}return n.join(", ")}function Vf(t,e){const n="            ",i=[],r=[];function s(n,i,r){const s=n.id+(r?"_"+r.getHexString():""),a=1023===n.format;return e[s]=n,`\n        def Shader "Transform2d_${i}" (\n            sdrMetadata = {\n                string role = "math"\n            }\n        )\n        {\n            uniform token info:id = "UsdTransform2d"\n            float2 inputs:in.connect = </Materials/Material_${t.id}/uvReader_st.outputs:result>\n            float2 inputs:scale = ${Wf(n.repeat)}\n            float2 inputs:translation = ${Wf(n.offset)}\n            float2 outputs:result\n        }\n\n        def Shader "Texture_${n.id}_${i}"\n        {\n            uniform token info:id = "UsdUVTexture"\n            asset inputs:file = @textures/Texture_${s}.${a?"png":"jpg"}@\n            float2 inputs:st.connect = </Materials/Material_${t.id}/Transform2d_${i}.outputs:result>\n            token inputs:wrapS = "repeat"\n            token inputs:wrapT = "repeat"\n            float outputs:r\n            float outputs:g\n            float outputs:b\n            float3 outputs:rgb\n            ${t.transparent||t.alphaTest>0?"float outputs:a":""}\n        }`}return null!==t.map?(i.push(`${n}color3f inputs:diffuseColor.connect = </Materials/Material_${t.id}/Texture_${t.map.id}_diffuse.outputs:rgb>`),t.transparent?i.push(`${n}float inputs:opacity.connect = </Materials/Material_${t.id}/Texture_${t.map.id}_diffuse.outputs:a>`):t.alphaTest>0&&(i.push(`${n}float inputs:opacity.connect = </Materials/Material_${t.id}/Texture_${t.map.id}_diffuse.outputs:a>`),i.push(`${n}float inputs:opacityThreshold = ${t.alphaTest}`)),r.push(s(t.map,"diffuse",t.color))):i.push(`${n}color3f inputs:diffuseColor = ${Gf(t.color)}`),null!==t.emissiveMap?(i.push(`${n}color3f inputs:emissiveColor.connect = </Materials/Material_${t.id}/Texture_${t.emissiveMap.id}_emissive.outputs:rgb>`),r.push(s(t.emissiveMap,"emissive"))):t.emissive.getHex()>0&&i.push(`${n}color3f inputs:emissiveColor = ${Gf(t.emissive)}`),null!==t.normalMap&&(i.push(`${n}normal3f inputs:normal.connect = </Materials/Material_${t.id}/Texture_${t.normalMap.id}_normal.outputs:rgb>`),r.push(s(t.normalMap,"normal"))),null!==t.aoMap&&(i.push(`${n}float inputs:occlusion.connect = </Materials/Material_${t.id}/Texture_${t.aoMap.id}_occlusion.outputs:r>`),r.push(s(t.aoMap,"occlusion"))),null!==t.roughnessMap&&1===t.roughness?(i.push(`${n}float inputs:roughness.connect = </Materials/Material_${t.id}/Texture_${t.roughnessMap.id}_roughness.outputs:g>`),r.push(s(t.roughnessMap,"roughness"))):i.push(`${n}float inputs:roughness = ${t.roughness}`),null!==t.metalnessMap&&1===t.metalness?(i.push(`${n}float inputs:metallic.connect = </Materials/Material_${t.id}/Texture_${t.metalnessMap.id}_metallic.outputs:b>`),r.push(s(t.metalnessMap,"metallic"))):i.push(`${n}float inputs:metallic = ${t.metalness}`),null!==t.alphaMap?(i.push(`${n}float inputs:opacity.connect = </Materials/Material_${t.id}/Texture_${t.alphaMap.id}_opacity.outputs:r>`),i.push(`${n}float inputs:opacityThreshold = 0.0001`),r.push(s(t.alphaMap,"opacity"))):i.push(`${n}float inputs:opacity = ${t.opacity}`),t.isMeshPhysicalMaterial&&(i.push(`${n}float inputs:clearcoat = ${t.clearcoat}`),i.push(`${n}float inputs:clearcoatRoughness = ${t.clearcoatRoughness}`),i.push(`${n}float inputs:ior = ${t.ior}`)),`\n    def Material "Material_${t.id}"\n    {\n        def Shader "PreviewSurface"\n        {\n            uniform token info:id = "UsdPreviewSurface"\n${i.join("\n")}\n            int inputs:useSpecularWorkflow = 0\n            token outputs:surface\n        }\n\n        token outputs:surface.connect = </Materials/Material_${t.id}/PreviewSurface.outputs:surface>\n        token inputs:frame:stPrimvarName = "st"\n\n        def Shader "uvReader_st"\n        {\n            uniform token info:id = "UsdPrimvarReader_float2"\n            token inputs:varname.connect = </Materials/Material_${t.id}.inputs:frame:stPrimvarName>\n            float2 inputs:fallback = (0.0, 0.0)\n            float2 outputs:result\n        }\n\n${r.join("\n")}\n\n    }\n`}function Gf(t){return`(${t.r}, ${t.g}, ${t.b})`}function Wf(t){return`(${t.x}, ${t.y})`}var jf=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};let qf=!1,Xf=!1;const $f="#model-viewer-no-ar-fallback",Yf=(Zf=["quick-look","scene-viewer","webxr","none"],t=>{try{const e=md(t),n=(e.length?e[0].terms:[]).filter((t=>t&&"ident"===t.type)).map((t=>t.value)).filter((t=>Zf.indexOf(t)>-1)),i=new Set;for(const t of n)i.add(t);return i}catch(t){}return new Set});var Zf;const Jf="quick-look",Kf="scene-viewer",Qf="webxr",tg="none",eg=Symbol("arButtonContainer"),ng=Symbol("enterARWithWebXR"),ig=Symbol("openSceneViewer"),rg=Symbol("openIOSARQuickLook"),sg=Symbol("canActivateAR"),ag=Symbol("arMode"),og=Symbol("arModes"),lg=Symbol("arAnchor"),hg=Symbol("preload"),cg=Symbol("onARButtonContainerClick"),ug=Symbol("onARStatus"),dg=Symbol("onARTracking"),pg=Symbol("onARTap"),mg=Symbol("selectARMode"),fg=Symbol("triggerLoad");var gg,vg,yg;const xg=Symbol("evaluate"),bg=Symbol("lastValue");class _g{constructor(){this[gg]=null}static evaluatableFor(t,e=wd){if(t instanceof _g)return t;if("number"===t.type)return"%"===t.unit?new Sg(t,e):t;switch(t.name.value){case"calc":return new Cg(t,e);case"env":return new Eg(t)}return wd}static evaluate(t){return t instanceof _g?t.evaluate():t}static isConstant(t){return!(t instanceof _g)||t.isConstant}static applyIntrinsics(t,e){const{basis:n,keywords:i}=e,{auto:r}=i;return n.map(((e,n)=>{const s=null==r[n]?e:r[n];let a=t[n]?t[n]:s;if("ident"===a.type){const t=a.value;t in i&&(a=i[t][n])}return null!=a&&"ident"!==a.type||(a=s),"%"===a.unit?pd(a.number/100*e.number,e.unit):(a=Td(a,e),a.unit!==e.unit?e:a)}))}get isConstant(){return!1}evaluate(){return this.isConstant&&null!=this[bg]||(this[bg]=this[xg]()),this[bg]}}gg=bg;const wg=Symbol("percentage"),Mg=Symbol("basis");class Sg extends _g{constructor(t,e){super(),this[wg]=t,this[Mg]=e}get isConstant(){return!0}[xg](){return pd(this[wg].number/100*this[Mg].number,this[Mg].unit)}}const Tg=Symbol("identNode");class Eg extends _g{constructor(t){super(),this[vg]=null;const e=t.arguments.length?t.arguments[0].terms[0]:null;null!=e&&"ident"===e.type&&(this[Tg]=e)}get isConstant(){return!1}[(vg=Tg,xg)](){return null!=this[Tg]&&"window-scroll-y"===this[Tg].value?{type:"number",number:window.pageYOffset/(Math.max(document.body.scrollHeight,document.body.offsetHeight,document.documentElement.clientHeight,document.documentElement.scrollHeight,document.documentElement.offsetHeight)-window.innerHeight)||0,unit:null}:wd}}const Ag=/[\*\/]/,Rg=Symbol("evalutor");class Cg extends _g{constructor(t,e=wd){if(super(),this[yg]=null,1!==t.arguments.length)return;const n=t.arguments[0].terms.slice(),i=[];for(;n.length;){const t=n.shift();if(i.length>0){const n=i[i.length-1];if("operator"===n.type&&Ag.test(n.value)){const n=i.pop(),r=i.pop();if(null==r)return;i.push(new Ig(n,_g.evaluatableFor(r,e),_g.evaluatableFor(t,e)));continue}}i.push("operator"===t.type?t:_g.evaluatableFor(t,e))}for(;i.length>2;){const[t,n,r]=i.splice(0,3);if("operator"!==n.type)return;i.unshift(new Ig(n,_g.evaluatableFor(t,e),_g.evaluatableFor(r,e)))}1===i.length&&(this[Rg]=i[0])}get isConstant(){return null==this[Rg]||_g.isConstant(this[Rg])}[(yg=Rg,xg)](){return null!=this[Rg]?_g.evaluate(this[Rg]):wd}}const Lg=Symbol("operator"),Pg=Symbol("left"),Dg=Symbol("right");class Ig extends _g{constructor(t,e,n){super(),this[Lg]=t,this[Pg]=e,this[Dg]=n}get isConstant(){return _g.isConstant(this[Pg])&&_g.isConstant(this[Dg])}[xg](){const t=Td(_g.evaluate(this[Pg])),e=Td(_g.evaluate(this[Dg])),{number:n,unit:i}=t,{number:r,unit:s}=e;if(null!=s&&null!=i&&s!=i)return wd;const a=i||s;let o;switch(this[Lg].value){case"+":o=n+r;break;case"-":o=n-r;break;case"/":o=n/r;break;case"*":o=n*r;break;default:return wd}return{type:"number",number:o,unit:a}}}const Og=Symbol("evaluatables"),Ng=Symbol("intrinsics");class Fg extends _g{constructor(t,e){super(),this[Ng]=e;const n=t[0],i=null!=n?n.terms:[];this[Og]=e.basis.map(((t,e)=>{const n=i[e];return null==n?{type:"ident",value:"auto"}:"ident"===n.type?n:_g.evaluatableFor(n,t)}))}get isConstant(){for(const t of this[Og])if(!_g.isConstant(t))return!1;return!0}[xg](){const t=this[Og].map((t=>_g.evaluate(t)));return _g.applyIntrinsics(t,this[Ng]).map((t=>t.number))}}var Ug,kg,Bg,zg;const Hg=Symbol("instances"),Vg=Symbol("activateListener"),Gg=Symbol("deactivateListener"),Wg=Symbol("notifyInstances"),jg=Symbol("notify"),qg=Symbol("callback");class Xg{constructor(t){this[qg]=t}static[Wg](){for(const t of Xg[Hg])t[jg]()}static[(Ug=Hg,Vg)](){window.addEventListener("scroll",this[Wg],{passive:!0})}static[Gg](){window.removeEventListener("scroll",this[Wg])}observe(){0===Xg[Hg].size&&Xg[Vg](),Xg[Hg].add(this)}disconnect(){Xg[Hg].delete(this),0===Xg[Hg].size&&Xg[Gg]()}[jg](){this[qg]()}}Xg[Ug]=new Set;const $g=Symbol("computeStyleCallback"),Yg=Symbol("astWalker"),Zg=Symbol("dependencies"),Jg=Symbol("onScroll");class Kg{constructor(t){this[kg]={},this[Bg]=new _d(["function"]),this[zg]=()=>{this[$g]({relatedState:"window-scroll"})},this[$g]=t}observeEffectsFor(t){const e={},n=this[Zg];this[Yg].walk(t,(t=>{const{name:i}=t,r=t.arguments[0].terms[0];if("env"===i.value&&null!=r&&"ident"===r.type&&"window-scroll-y"===r.value&&null==e["window-scroll"]){const t="window-scroll"in n?n["window-scroll"]:new Xg(this[Jg]);t.observe(),delete n["window-scroll"],e["window-scroll"]=t}}));for(const t in n)n[t].disconnect();this[Zg]=e}dispose(){for(const t in this[Zg])this[Zg][t].disconnect()}}kg=Zg,Bg=Yg,zg=Jg;const Qg=t=>{const e=t.observeEffects||!1,n=t.intrinsics instanceof Function?t.intrinsics:()=>t.intrinsics;return(i,r)=>{const s=i.updated,a=i.connectedCallback,o=i.disconnectedCallback,l=Symbol(`${r}StyleEffector`),h=Symbol(`${r}StyleEvaluator`),c=Symbol(`${r}UpdateEvaluator`),u=Symbol(`${r}EvaluateAndSync`);Object.defineProperties(i,{[l]:{value:null,writable:!0},[h]:{value:null,writable:!0},[c]:{value:function(){const t=md(this[r]);this[h]=new Fg(t,n(this)),null==this[l]&&e&&(this[l]=new Kg((()=>this[u]()))),null!=this[l]&&this[l].observeEffectsFor(t)}},[u]:{value:function(){if(null==this[h])return;const e=this[h].evaluate();this[t.updateHandler](e)}},updated:{value:function(t){t.has(r)&&(this[c](),this[u]()),s.call(this,t)}},connectedCallback:{value:function(){a.call(this),this.requestUpdate(r,this[r])}},disconnectedCallback:{value:function(){o.call(this),null!=this[l]&&(this[l].dispose(),this[l]=null)}}})}},tv=new Rt,ev=new te,nv=Object.freeze({minimumRadius:0,maximumRadius:1/0,minimumPolarAngle:Math.PI/8,maximumPolarAngle:Math.PI-Math.PI/8,minimumAzimuthalAngle:-1/0,maximumAzimuthalAngle:1/0,minimumFieldOfView:10,maximumFieldOfView:45,interactionPolicy:"always-allow",touchAction:"pan-y"}),iv=Math.PI/8,rv=.04,sv="user-interaction",av="none";class ov extends ft{constructor(t,e,n){super(),this.camera=t,this.element=e,this.scene=n,this.sensitivity=1,this.isUserChange=!1,this._interactionEnabled=!1,this._disableZoom=!1,this.isUserPointing=!1,this.enablePan=!0,this.panProjection=new Ct,this.panPerPixel=0,this.spherical=new hh,this.goalSpherical=new hh,this.thetaDamper=new dd,this.phiDamper=new dd,this.radiusDamper=new dd,this.logFov=Math.log(nv.maximumFieldOfView),this.goalLogFov=this.logFov,this.fovDamper=new dd,this.touchMode=null,this.pointers=[],this.startTime=0,this.startPointerPosition={clientX:0,clientY:0},this.lastSeparation=0,this.touchDecided=!1,this.onContext=t=>{if(this.enablePan)t.preventDefault();else for(const t of this.pointers)this.onPointerUp(new PointerEvent("pointercancel",Object.assign(Object.assign({},this.startPointerPosition),{pointerId:t.id})))},this.touchModeZoom=(t,e)=>{if(!this._disableZoom){const t=this.twoTouchDistance(this.pointers[0],this.pointers[1]),e=rv*(this.lastSeparation-t)*50/this.scene.height;this.lastSeparation=t,this.userAdjustOrbit(0,0,e)}this.panPerPixel>0&&this.movePan(t,e)},this.disableScroll=t=>{t.preventDefault()},this.touchModeRotate=(t,e)=>{const{touchAction:n}=this._options;if(!this.touchDecided&&"none"!==n){this.touchDecided=!0;const i=Math.abs(t),r=Math.abs(e);if(this.isUserChange&&("pan-y"===n&&r>i||"pan-x"===n&&i>r))return void(this.touchMode=null);this.element.addEventListener("touchmove",this.disableScroll,{passive:!1})}this.handleSinglePointerMove(t,e)},this.onPointerDown=t=>{if(!this.canInteract||this.pointers.length>2)return;const{element:e}=this;0===this.pointers.length&&(e.addEventListener("pointermove",this.onPointerMove),e.addEventListener("pointerup",this.onPointerUp),this.touchMode=null,this.touchDecided=!1,this.startPointerPosition.clientX=t.clientX,this.startPointerPosition.clientY=t.clientY,this.startTime=performance.now());try{e.setPointerCapture(t.pointerId)}catch(t){}this.pointers.push({clientX:t.clientX,clientY:t.clientY,id:t.pointerId}),this.isUserPointing=!1,"touch"===t.pointerType?(this.isUserChange=!t.altKey,this.onTouchChange(t)):(this.isUserChange=!0,this.onMouseDown(t))},this.onPointerMove=t=>{const e=this.pointers.find((e=>e.id===t.pointerId));if(null==e)return;const n=this.pointers.length,i=(t.clientX-e.clientX)/n,r=(t.clientY-e.clientY)/n;0===i&&0===r||(e.clientX=t.clientX,e.clientY=t.clientY,"touch"===t.pointerType?(this.isUserChange=!t.altKey,null!==this.touchMode&&this.touchMode(i,r)):(this.isUserChange=!0,this.panPerPixel>0?this.movePan(i,r):this.handleSinglePointerMove(i,r)))},this.onPointerUp=t=>{const{element:e}=this,n=this.pointers.findIndex((e=>e.id===t.pointerId));-1!==n&&this.pointers.splice(n,1),this.panPerPixel>0&&!t.altKey&&this.resetRadius(),0===this.pointers.length?(e.removeEventListener("pointermove",this.onPointerMove),e.removeEventListener("pointerup",this.onPointerUp),e.removeEventListener("touchmove",this.disableScroll),this.enablePan&&this.recenter(t)):null!==this.touchMode&&this.onTouchChange(t),this.scene.element[Pv].style.opacity=0,e.style.cursor="grab",this.panPerPixel=0,this.isUserPointing&&this.dispatchEvent({type:"pointer-change-end"})},this.onWheel=t=>{if(!this.canInteract)return;this.isUserChange=!0;const e=t.deltaY*(1==t.deltaMode?18:1)*rv/30;this.userAdjustOrbit(0,0,e),t.preventDefault()},this.onKeyDown=t=>{let e=!0;const{isUserChange:n}=this;switch(this.isUserChange=!0,t.keyCode){case 33:this.userAdjustOrbit(0,0,rv);break;case 34:this.userAdjustOrbit(0,0,-.04);break;case 38:this.userAdjustOrbit(0,-iv,0);break;case 40:this.userAdjustOrbit(0,iv,0);break;case 37:this.userAdjustOrbit(-iv,0,0);break;case 39:this.userAdjustOrbit(iv,0,0);break;default:e=!1,this.isUserChange=n}e&&t.preventDefault()},this._options=Object.assign({},nv),this.setOrbit(0,Math.PI/2,1),this.setFieldOfView(100),this.jumpToGoal()}get interactionEnabled(){return this._interactionEnabled}enableInteraction(){if(!1===this._interactionEnabled){const{element:t}=this;t.addEventListener("pointerdown",this.onPointerDown),t.addEventListener("pointercancel",this.onPointerUp),this._disableZoom||t.addEventListener("wheel",this.onWheel),t.addEventListener("keydown",this.onKeyDown),t.addEventListener("touchmove",(()=>{}),{passive:!1}),t.addEventListener("contextmenu",this.onContext),this.element.style.cursor="grab",this._interactionEnabled=!0,this.updateTouchActionStyle()}}disableInteraction(){if(!0===this._interactionEnabled){const{element:t}=this;t.removeEventListener("pointerdown",this.onPointerDown),t.removeEventListener("pointermove",this.onPointerMove),t.removeEventListener("pointerup",this.onPointerUp),t.removeEventListener("pointercancel",this.onPointerUp),t.removeEventListener("wheel",this.onWheel),t.removeEventListener("keydown",this.onKeyDown),t.removeEventListener("contextmenu",this.onContext),t.style.cursor="",this.touchMode=null,this._interactionEnabled=!1,this.updateTouchActionStyle()}}get options(){return this._options}set disableZoom(t){this._disableZoom!=t&&(this._disableZoom=t,!0===t?this.element.removeEventListener("wheel",this.onWheel):this.element.addEventListener("wheel",this.onWheel),this.updateTouchActionStyle())}getCameraSpherical(t=new hh){return t.copy(this.spherical)}getFieldOfView(){return this.camera.fov}applyOptions(t){Object.assign(this._options,t),this.setOrbit(),this.setFieldOfView(Math.exp(this.goalLogFov))}updateNearFar(t,e){this.camera.near=Math.max(t,e/1e3),this.camera.far=e,this.camera.updateProjectionMatrix()}updateAspect(t){this.camera.aspect=t,this.camera.updateProjectionMatrix()}setOrbit(t=this.goalSpherical.theta,e=this.goalSpherical.phi,n=this.goalSpherical.radius){const{minimumAzimuthalAngle:i,maximumAzimuthalAngle:r,minimumPolarAngle:s,maximumPolarAngle:a,minimumRadius:o,maximumRadius:l}=this._options,{theta:h,phi:c,radius:u}=this.goalSpherical,d=ld(t,i,r);isFinite(i)||isFinite(r)||(this.spherical.theta=this.wrapAngle(this.spherical.theta-d)+d);const 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h=this.processBufferView(t,a,n,i,l),c={bufferView:h.id,byteOffset:h.byteOffset,componentType:a,count:i,max:o.max,min:o.min,type:{1:"SCALAR",2:"VEC2",3:"VEC3",4:"VEC4",16:"MAT4"}[t.itemSize]};return!0===t.normalized&&(c.normalized=!0),s.accessors||(s.accessors=[]),s.accessors.push(c)-1}processImage(t,e,n,i="image/png"){const r=this,s=r.cache,a=r.json,o=r.options,l=r.pending;s.images.has(t)||s.images.set(t,{});const h=s.images.get(t),c=i+":flipY/"+n.toString();if(void 0!==h[c])return h[c];a.images||(a.images=[]);const u={mimeType:i};if(o.embedImages){const s=Ly=Ly||document.createElement("canvas");s.width=Math.min(t.width,o.maxTextureSize),s.height=Math.min(t.height,o.maxTextureSize);const a=s.getContext("2d");if(!0===n&&(a.translate(0,s.height),a.scale(1,-1)),"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap)a.drawImage(t,0,0,s.width,s.height);else{e!==z&&console.error("GLTFExporter: Only RGBAFormat is supported."),(t.width>o.maxTextureSize||t.height>o.maxTextureSize)&&console.warn("GLTFExporter: Image size is bigger than maxTextureSize",t);const n=new Uint8ClampedArray(t.height*t.width*4);for(let e=0;e<n.length;e+=4)n[e+0]=t.data[e+0],n[e+1]=t.data[e+1],n[e+2]=t.data[e+2],n[e+3]=t.data[e+3];a.putImageData(new ImageData(n,t.width,t.height),0,0)}!0===o.binary?l.push(new Promise((function(t){s.toBlob((function(e){r.processBufferViewImage(e).then((function(e){u.bufferView=e,t()}))}),i)}))):u.uri=s.toDataURL(i)}else u.uri=t.src;const d=a.images.push(u)-1;return h[c]=d,d}processSampler(t){const e=this.json;e.samplers||(e.samplers=[]);const n={magFilter:Ty[t.magFilter],minFilter:Ty[t.minFilter],wrapS:Ty[t.wrapS],wrapT:Ty[t.wrapT]};return e.samplers.push(n)-1}processTexture(t){const e=this.cache,n=this.json;if(e.textures.has(t))return e.textures.get(t);n.textures||(n.textures=[]);let i=t.userData.mimeType;"image/webp"===i&&(i="image/png");const r={sampler:this.processSampler(t),source:this.processImage(t.image,t.format,t.flipY,i)};t.name&&(r.name=t.name),this._invokeAll((function(e){e.writeTexture&&e.writeTexture(t,r)}));const s=n.textures.push(r)-1;return e.textures.set(t,s),s}processMaterial(t){const e=this.cache,n=this.json;if(e.materials.has(t))return e.materials.get(t);if(t.isShaderMaterial)return console.warn("GLTFExporter: THREE.ShaderMaterial not supported."),null;n.materials||(n.materials=[]);const i={pbrMetallicRoughness:{}};!0!==t.isMeshStandardMaterial&&!0!==t.isMeshBasicMaterial&&console.warn("GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.");const r=t.color.toArray().concat([t.opacity]);if(Ay(r,[1,1,1,1])||(i.pbrMetallicRoughness.baseColorFactor=r),t.isMeshStandardMaterial?(i.pbrMetallicRoughness.metallicFactor=t.metalness,i.pbrMetallicRoughness.roughnessFactor=t.roughness):(i.pbrMetallicRoughness.metallicFactor=.5,i.pbrMetallicRoughness.roughnessFactor=.5),t.metalnessMap||t.roughnessMap){const e=this.buildMetalRoughTexture(t.metalnessMap,t.roughnessMap),n={index:this.processTexture(e)};this.applyTextureTransform(n,e),i.pbrMetallicRoughness.metallicRoughnessTexture=n}if(t.map){const e={index:this.processTexture(t.map)};this.applyTextureTransform(e,t.map),i.pbrMetallicRoughness.baseColorTexture=e}if(t.emissive){const e=t.emissive.clone().multiplyScalar(t.emissiveIntensity),n=Math.max(e.r,e.g,e.b);if(n>1&&(e.multiplyScalar(1/n),console.warn("THREE.GLTFExporter: Some emissive components exceed 1; emissive has been limited")),n>0&&(i.emissiveFactor=e.toArray()),t.emissiveMap){const e={index:this.processTexture(t.emissiveMap)};this.applyTextureTransform(e,t.emissiveMap),i.emissiveTexture=e}}if(t.normalMap){const e={index:this.processTexture(t.normalMap)};t.normalScale&&1!==t.normalScale.x&&(e.scale=t.normalScale.x),this.applyTextureTransform(e,t.normalMap),i.normalTexture=e}if(t.aoMap){const e={index:this.processTexture(t.aoMap),texCoord:1};1!==t.aoMapIntensity&&(e.strength=t.aoMapIntensity),this.applyTextureTransform(e,t.aoMap),i.occlusionTexture=e}t.transparent?i.alphaMode="BLEND":t.alphaTest>0&&(i.alphaMode="MASK",i.alphaCutoff=t.alphaTest),2===t.side&&(i.doubleSided=!0),""!==t.name&&(i.name=t.name),this.serializeUserData(t,i),this._invokeAll((function(e){e.writeMaterial&&e.writeMaterial(t,i)}));const s=n.materials.push(i)-1;return e.materials.set(t,s),s}processMesh(t){const e=this.cache,n=this.json,i=[t.geometry.uuid];if(Array.isArray(t.material))for(let e=0,n=t.material.length;e<n;e++)i.push(t.material[e].uuid);else i.push(t.material.uuid);const r=i.join(":");if(e.meshes.has(r))return e.meshes.get(r);const s=t.geometry;let a;if(a=t.isLineSegments?1:t.isLineLoop?2:t.isLine?3:t.isPoints?0:t.material.wireframe?1:4,!0!==s.isBufferGeometry)throw new Error("THREE.GLTFExporter: Geometry is not of type THREE.BufferGeometry.");const o={},l={},h=[],c=[],u={uv:"TEXCOORD_0",uv2:"TEXCOORD_1",color:"COLOR_0",skinWeight:"WEIGHTS_0",skinIndex:"JOINTS_0"},d=s.getAttribute("normal");void 0===d||this.isNormalizedNormalAttribute(d)||(console.warn("THREE.GLTFExporter: Creating normalized normal attribute from the non-normalized one."),s.setAttribute("normal",this.createNormalizedNormalAttribute(d)));let p=null;for(let t in s.attributes){if("morph"===t.slice(0,5))continue;const n=s.attributes[t];if(t=u[t]||t.toUpperCase(),/^(POSITION|NORMAL|TANGENT|TEXCOORD_\d+|COLOR_\d+|JOINTS_\d+|WEIGHTS_\d+)$/.test(t)||(t="_"+t),e.attributes.has(this.getUID(n))){l[t]=e.attributes.get(this.getUID(n));continue}p=null;const i=n.array;"JOINTS_0"!==t||i instanceof Uint16Array||i instanceof Uint8Array||(console.warn('GLTFExporter: Attribute "skinIndex" converted to type UNSIGNED_SHORT.'),p=new bn(new Uint16Array(i),n.itemSize,n.normalized));const r=this.processAccessor(p||n,s);null!==r&&(l[t]=r,e.attributes.set(this.getUID(n),r))}if(void 0!==d&&s.setAttribute("normal",d),0===Object.keys(l).length)return null;if(void 0!==t.morphTargetInfluences&&t.morphTargetInfluences.length>0){const n=[],i=[],r={};if(void 0!==t.morphTargetDictionary)for(const e in t.morphTargetDictionary)r[t.morphTargetDictionary[e]]=e;for(let a=0;a<t.morphTargetInfluences.length;++a){const o={};let l=!1;for(const t in s.morphAttributes){if("position"!==t&&"normal"!==t){l||(console.warn("GLTFExporter: Only POSITION and NORMAL morph are supported."),l=!0);continue}const n=s.morphAttributes[t][a],i=t.toUpperCase(),r=s.attributes[t];if(e.attributes.has(this.getUID(n))){o[i]=e.attributes.get(this.getUID(n));continue}const h=n.clone();if(!s.morphTargetsRelative)for(let t=0,e=n.count;t<e;t++)h.setXYZ(t,n.getX(t)-r.getX(t),n.getY(t)-r.getY(t),n.getZ(t)-r.getZ(t));o[i]=this.processAccessor(h,s),e.attributes.set(this.getUID(r),o[i])}c.push(o),n.push(t.morphTargetInfluences[a]),void 0!==t.morphTargetDictionary&&i.push(r[a])}o.weights=n,i.length>0&&(o.extras={},o.extras.targetNames=i)}const m=Array.isArray(t.material);if(m&&0===s.groups.length)return null;const f=m?t.material:[t.material],g=m?s.groups:[{materialIndex:0,start:void 0,count:void 0}];for(let t=0,n=g.length;t<n;t++){const n={mode:a,attributes:l};if(this.serializeUserData(s,n),c.length>0&&(n.targets=c),null!==s.index){let i=this.getUID(s.index);void 0===g[t].start&&void 0===g[t].count||(i+=":"+g[t].start+":"+g[t].count),e.attributes.has(i)?n.indices=e.attributes.get(i):(n.indices=this.processAccessor(s.index,s,g[t].start,g[t].count),e.attributes.set(i,n.indices)),null===n.indices&&delete n.indices}const i=this.processMaterial(f[g[t].materialIndex]);null!==i&&(n.material=i),h.push(n)}o.primitives=h,n.meshes||(n.meshes=[]),this._invokeAll((function(e){e.writeMesh&&e.writeMesh(t,o)}));const v=n.meshes.push(o)-1;return e.meshes.set(r,v),v}processCamera(t){const e=this.json;e.cameras||(e.cameras=[]);const n=t.isOrthographicCamera,i={type:n?"orthographic":"perspective"};return n?i.orthographic={xmag:2*t.right,ymag:2*t.top,zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near}:i.perspective={aspectRatio:t.aspect,yfov:At.degToRad(t.fov),zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near},""!==t.name&&(i.name=t.type),e.cameras.push(i)-1}processAnimation(t,e){const n=this.json,i=this.nodeMap;n.animations||(n.animations=[]);const r=(t=wy.Utils.mergeMorphTargetTracks(t.clone(),e)).tracks,s=[],a=[];for(let t=0;t<r.length;++t){const n=r[t],o=rh.parseTrackName(n.name);let l=rh.findNode(e,o.nodeName);const h=Ey[o.propertyName];if("bones"===o.objectName&&(l=!0===l.isSkinnedMesh?l.skeleton.getBoneByName(o.objectIndex):void 0),!l||!h)return console.warn('THREE.GLTFExporter: Could not export animation track "%s".',n.name),null;const c=1;let u,d=n.values.length/n.times.length;h===Ey.morphTargetInfluences&&(d/=l.morphTargetInfluences.length),!0===n.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline?(u="CUBICSPLINE",d/=3):u=n.getInterpolation()===tt?"STEP":"LINEAR",a.push({input:this.processAccessor(new bn(n.times,c)),output:this.processAccessor(new bn(n.values,d)),interpolation:u}),s.push({sampler:a.length-1,target:{node:i.get(l),path:h}})}return n.animations.push({name:t.name||"clip_"+n.animations.length,samplers:a,channels:s}),n.animations.length-1}processSkin(t){const e=this.json,n=this.nodeMap,i=e.nodes[n.get(t)],r=t.skeleton;if(void 0===r)return null;const s=t.skeleton.bones[0];if(void 0===s)return null;const a=[],o=new Float32Array(16*r.bones.length),l=new Pe;for(let e=0;e<r.bones.length;++e)a.push(n.get(r.bones[e])),l.copy(r.boneInverses[e]),l.multiply(t.bindMatrix).toArray(o,16*e);return void 0===e.skins&&(e.skins=[]),e.skins.push({inverseBindMatrices:this.processAccessor(new bn(o,16)),joints:a,skeleton:n.get(s)}),i.skin=e.skins.length-1}processNode(t){const e=this.json,n=this.options,i=this.nodeMap;e.nodes||(e.nodes=[]);const r={};if(n.trs){const e=t.quaternion.toArray(),n=t.position.toArray(),i=t.scale.toArray();Ay(e,[0,0,0,1])||(r.rotation=e),Ay(n,[0,0,0])||(r.translation=n),Ay(i,[1,1,1])||(r.scale=i)}else t.matrixAutoUpdate&&t.updateMatrix(),!1===Ay(t.matrix.elements,[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1])&&(r.matrix=t.matrix.elements);if(""!==t.name&&(r.name=String(t.name)),this.serializeUserData(t,r),t.isMesh||t.isLine||t.isPoints){const e=this.processMesh(t);null!==e&&(r.mesh=e)}else t.isCamera&&(r.camera=this.processCamera(t));if(t.isSkinnedMesh&&this.skins.push(t),t.children.length>0){const e=[];for(let i=0,r=t.children.length;i<r;i++){const r=t.children[i];if(r.visible||!1===n.onlyVisible){const t=this.processNode(r);null!==t&&e.push(t)}}e.length>0&&(r.children=e)}this._invokeAll((function(e){e.writeNode&&e.writeNode(t,r)}));const s=e.nodes.push(r)-1;return i.set(t,s),s}processScene(t){const e=this.json,n=this.options;e.scenes||(e.scenes=[],e.scene=0);const i={};""!==t.name&&(i.name=t.name),e.scenes.push(i);const r=[];for(let e=0,i=t.children.length;e<i;e++){const i=t.children[e];if(i.visible||!1===n.onlyVisible){const t=this.processNode(i);null!==t&&r.push(t)}}r.length>0&&(i.nodes=r),this.serializeUserData(t,i)}processObjects(t){const e=new Xs;e.name="AuxScene";for(let n=0;n<t.length;n++)e.children.push(t[n]);this.processScene(e)}processInput(t){const e=this.options;t=t instanceof Array?t:[t],this._invokeAll((function(e){e.beforeParse&&e.beforeParse(t)}));const n=[];for(let e=0;e<t.length;e++)t[e]instanceof Xs?this.processScene(t[e]):n.push(t[e]);n.length>0&&this.processObjects(n);for(let t=0;t<this.skins.length;++t)this.processSkin(this.skins[t]);for(let n=0;n<e.animations.length;++n)this.processAnimation(e.animations[n],t[0]);this._invokeAll((function(e){e.afterParse&&e.afterParse(t)}))}_invokeAll(t){for(let e=0,n=this.plugins.length;e<n;e++)t(this.plugins[e])}}class Dy{constructor(t){this.writer=t,this.name="KHR_lights_punctual"}writeNode(t,e){if(!t.isLight)return;if(!t.isDirectionalLight&&!t.isPointLight&&!t.isSpotLight)return void console.warn("THREE.GLTFExporter: Only directional, point, and spot lights are supported.",t);const n=this.writer,i=n.json,r=n.extensionsUsed,s={};t.name&&(s.name=t.name),s.color=t.color.toArray(),s.intensity=t.intensity,t.isDirectionalLight?s.type="directional":t.isPointLight?(s.type="point",t.distance>0&&(s.range=t.distance)):t.isSpotLight&&(s.type="spot",t.distance>0&&(s.range=t.distance),s.spot={},s.spot.innerConeAngle=(t.penumbra-1)*t.angle*-1,s.spot.outerConeAngle=t.angle),void 0!==t.decay&&2!==t.decay&&console.warn("THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, and expects light.decay=2."),!t.target||t.target.parent===t&&0===t.target.position.x&&0===t.target.position.y&&-1===t.target.position.z||console.warn("THREE.GLTFExporter: Light direction may be lost. For best results, make light.target a child of the light with position 0,0,-1."),r[this.name]||(i.extensions=i.extensions||{},i.extensions[this.name]={lights:[]},r[this.name]=!0);const a=i.extensions[this.name].lights;a.push(s),e.extensions=e.extensions||{},e.extensions[this.name]={light:a.length-1}}}class Iy{constructor(t){this.writer=t,this.name="KHR_materials_unlit"}writeMaterial(t,e){if(!t.isMeshBasicMaterial)return;const n=this.writer.extensionsUsed;e.extensions=e.extensions||{},e.extensions[this.name]={},n[this.name]=!0,e.pbrMetallicRoughness.metallicFactor=0,e.pbrMetallicRoughness.roughnessFactor=.9}}class Oy{constructor(t){this.writer=t,this.name="KHR_materials_pbrSpecularGlossiness"}writeMaterial(t,e){if(!t.isGLTFSpecularGlossinessMaterial)return;const n=this.writer,i=n.extensionsUsed,r={};e.pbrMetallicRoughness.baseColorFactor&&(r.diffuseFactor=e.pbrMetallicRoughness.baseColorFactor);const s=[1,1,1];if(t.specular.toArray(s,0),r.specularFactor=s,r.glossinessFactor=t.glossiness,e.pbrMetallicRoughness.baseColorTexture&&(r.diffuseTexture=e.pbrMetallicRoughness.baseColorTexture),t.specularMap){const e={index:n.processTexture(t.specularMap)};n.applyTextureTransform(e,t.specularMap),r.specularGlossinessTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class Ny{constructor(t){this.writer=t,this.name="KHR_materials_clearcoat"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.clearcoatFactor=t.clearcoat,t.clearcoatMap){const e={index:n.processTexture(t.clearcoatMap)};n.applyTextureTransform(e,t.clearcoatMap),r.clearcoatTexture=e}if(r.clearcoatRoughnessFactor=t.clearcoatRoughness,t.clearcoatRoughnessMap){const e={index:n.processTexture(t.clearcoatRoughnessMap)};n.applyTextureTransform(e,t.clearcoatRoughnessMap),r.clearcoatRoughnessTexture=e}if(t.clearcoatNormalMap){const e={index:n.processTexture(t.clearcoatNormalMap)};n.applyTextureTransform(e,t.clearcoatNormalMap),r.clearcoatNormalTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class Fy{constructor(t){this.writer=t,this.name="KHR_materials_transmission"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.transmissionFactor=t.transmission,t.transmissionMap){const e={index:n.processTexture(t.transmissionMap)};n.applyTextureTransform(e,t.transmissionMap),r.transmissionTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class Uy{constructor(t){this.writer=t,this.name="KHR_materials_volume"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.thicknessFactor=t.thickness,t.thicknessMap){const e={index:n.processTexture(t.thicknessMap)};n.applyTextureTransform(e,t.thicknessMap),r.thicknessTexture=e}r.attenuationDistance=t.attenuationDistance,r.attenuationColor=t.attenuationColor.toArray(),e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}wy.Utils={insertKeyframe:function(t,e){const n=.001,i=t.getValueSize(),r=new t.TimeBufferType(t.times.length+1),s=new t.ValueBufferType(t.values.length+i),a=t.createInterpolant(new t.ValueBufferType(i));let o;if(0===t.times.length){r[0]=e;for(let t=0;t<i;t++)s[t]=0;o=0}else if(e<t.times[0]){if(Math.abs(t.times[0]-e)<n)return 0;r[0]=e,r.set(t.times,1),s.set(a.evaluate(e),0),s.set(t.values,i),o=0}else if(e>t.times[t.times.length-1]){if(Math.abs(t.times[t.times.length-1]-e)<n)return t.times.length-1;r[r.length-1]=e,r.set(t.times,0),s.set(t.values,0),s.set(a.evaluate(e),t.values.length),o=r.length-1}else for(let l=0;l<t.times.length;l++){if(Math.abs(t.times[l]-e)<n)return l;if(t.times[l]<e&&t.times[l+1]>e){r.set(t.times.slice(0,l+1),0),r[l+1]=e,r.set(t.times.slice(l+1),l+2),s.set(t.values.slice(0,(l+1)*i),0),s.set(a.evaluate(e),(l+1)*i),s.set(t.values.slice((l+1)*i),(l+2)*i),o=l+1;break}}return t.times=r,t.values=s,o},mergeMorphTargetTracks:function(t,e){const n=[],i={},r=t.tracks;for(let t=0;t<r.length;++t){let s=r[t];const a=rh.parseTrackName(s.name),o=rh.findNode(e,a.nodeName);if("morphTargetInfluences"!==a.propertyName||void 0===a.propertyIndex){n.push(s);continue}if(s.createInterpolant!==s.InterpolantFactoryMethodDiscrete&&s.createInterpolant!==s.InterpolantFactoryMethodLinear){if(s.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline)throw new Error("THREE.GLTFExporter: Cannot merge tracks with glTF CUBICSPLINE interpolation.");console.warn("THREE.GLTFExporter: Morph target interpolation mode not yet supported. Using LINEAR instead."),s=s.clone(),s.setInterpolation(et)}const l=o.morphTargetInfluences.length,h=o.morphTargetDictionary[a.propertyIndex];if(void 0===h)throw new Error("THREE.GLTFExporter: Morph target name not found: "+a.propertyIndex);let c;if(void 0===i[o.uuid]){c=s.clone();const t=new c.ValueBufferType(l*c.times.length);for(let e=0;e<c.times.length;e++)t[e*l+h]=c.values[e];c.name=(a.nodeName||"")+".morphTargetInfluences",c.values=t,i[o.uuid]=c,n.push(c);continue}const u=s.createInterpolant(new s.ValueBufferType(1));c=i[o.uuid];for(let t=0;t<c.times.length;t++)c.values[t*l+h]=u.evaluate(c.times[t]);for(let t=0;t<s.times.length;t++){const e=this.insertKeyframe(c,s.times[t]);c.values[e*l+h]=s.values[t]}}return t.tracks=n,t}};const ky=t=>void 0!==t.material&&t.userData&&t.userData.variantMaterials&&!!Array.from(t.userData.variantMaterials.values()).filter((t=>By(t.material))),By=t=>t&&t.isMaterial&&!Array.isArray(t);class zy{constructor(t){this.writer=t,this.name="KHR_materials_variants",this.variantNames=[]}beforeParse(t){const e=new Set;for(const n of t)n.traverse((t=>{if(!ky(t))return;const n=t.userData.variantMaterials,i=t.userData.variantData;for(const[t,r]of i){const i=n.get(r.index);By(i.material)&&e.add(t)}}));e.forEach((t=>this.variantNames.push(t)))}writeMesh(t,e){if(!ky(t))return;const n=t.userData,i=n.variantMaterials,r=n.variantData,s=new Map,a=new Map,o=Array.from(r.values()).sort(((t,e)=>t.index-e.index));for(const[t,e]of o.entries())a.set(e.index,t);for(const t of r.values()){const e=i.get(t.index).material;if(!By(e))continue;const n=this.writer.processMaterial(e);s.has(n)||s.set(n,{material:n,variants:[]}),s.get(n).variants.push(a.get(t.index))}const l=Array.from(s.values()).map((t=>t.variants.sort(((t,e)=>t-e))&&t)).sort(((t,e)=>t.material-e.material));if(0===l.length)return;const h=By(n.originalMaterial)?this.writer.processMaterial(n.originalMaterial):-1;for(const t of e.primitives)h>=0&&(t.material=h),t.extensions=t.extensions||{},t.extensions[this.name]={mappings:l}}afterParse(){if(0===this.variantNames.length)return;const t=this.writer.json;t.extensions=t.extensions||{};const e=this.variantNames.map((t=>({name:t})));t.extensions[this.name]={variants:e},this.writer.extensionsUsed[this.name]=!0}}const Hy=Symbol("correlatedObjects"),Vy=Symbol("sourceObject"),Gy=Symbol("onUpdate");class Wy{constructor(t,e,n=null){this[Gy]=t,this[Vy]=e,this[Hy]=n}}const jy=new Ml,qy=new vn,Xy=new vi(2,2);let $y=0;const Yy=Symbol("threeTexture");class Zy extends Wy{get[Yy](){var t;return console.assert(null!=this[Hy]&&this[Hy].size>0,"Image correlated object is undefined"),null===(t=this[Hy])||void 0===t?void 0:t.values().next().value}constructor(t,e,n){super(t,n=null!=n?n:{name:e&&e.image&&e.image.src?e.image.src.split("/").pop():"adhoc_image",uri:e&&e.image&&e.image.src?e.image.src:"adhoc_image"+$y++},new Set(e?[e]:[]))}get name(){return this[Vy].name||""}get uri(){return this[Vy].uri}get bufferView(){return this[Vy].bufferView}get type(){return null!=this.uri?"external":"embedded"}set name(t){this[Vy].name=t}async setURI(t){this[Vy].uri=t,this[Vy].name=t.split("/").pop();const e=await new Promise(((e,n)=>{jy.load(t,e,void 0,n)})),n=this[Yy];n.image=e,n.needsUpdate=!0,this[Gy]()}async createThumbnail(t,e){const n=new Xs;qy.map=this[Yy];const i=new Yn(Xy,qy);n.add(i);const r=new Ai(-1,1,1,-1,0,1),{threeRenderer:s}=Fp.singleton,a=new Zt(t,e);s.setRenderTarget(a),s.render(n,r),s.setRenderTarget(null);const o=new Uint8Array(t*e*4);s.readRenderTargetPixels(a,0,0,t,e,o),Jp.width=t,Jp.height=e;const l=Jp.getContext("2d"),h=l.createImageData(t,e);return h.data.set(o),l.putImageData(h,0,0),new Promise((async(t,e)=>{Jp.toBlob((n=>{if(!n)return e("Failed to capture thumbnail.");t(URL.createObjectURL(n))}),"image/png")}))}}var Jy,Ky;!function(t){t[t.Nearest=9728]="Nearest",t[t.Linear=9729]="Linear",t[t.NearestMipmapNearest=9984]="NearestMipmapNearest",t[t.LinearMipmapNearest=9985]="LinearMipmapNearest",t[t.NearestMipmapLinear=9986]="NearestMipmapLinear",t[t.LinearMipmapLinear=9987]="LinearMipmapLinear"}(Jy||(Jy={})),function(t){t[t.ClampToEdge=33071]="ClampToEdge",t[t.MirroredRepeat=33648]="MirroredRepeat",t[t.Repeat=10497]="Repeat"}(Ky||(Ky={}));const Qy=(()=>{const t=[Jy.Nearest,Jy.Linear,Jy.NearestMipmapNearest,Jy.LinearMipmapLinear,Jy.NearestMipmapLinear,Jy.LinearMipmapLinear];return e=>t.indexOf(e)>-1})(),tx=(()=>{const t=[Jy.Nearest,Jy.Linear];return e=>t.indexOf(e)>-1})(),ex=(()=>{const t=[Ky.ClampToEdge,Ky.MirroredRepeat,Ky.Repeat];return e=>t.indexOf(e)>-1})(),nx=Symbol("threeTextures"),ix=Symbol("setProperty"),rx=Symbol("sourceSampler");class sx extends Wy{get[nx](){return console.assert(null!=this[Hy]&&this[Hy].size>0,"Sampler correlated object is undefined"),this[Hy]}get[rx](){return console.assert(null!=this[Vy],"Sampler source is undefined"),this[Vy]}constructor(t,e,n){null==(n=null!=n?n:{}).minFilter&&(n.minFilter=e?e.minFilter:Jy.LinearMipmapLinear),null==n.magFilter&&(n.magFilter=e?e.magFilter:Jy.Linear),null==n.wrapS&&(n.wrapS=e?e.wrapS:Ky.Repeat),null==n.wrapT&&(n.wrapT=e?e.wrapT:Ky.Repeat),super(t,n,new Set(e?[e]:[]))}get name(){return this[Vy].name||""}get minFilter(){return this[rx].minFilter}get magFilter(){return this[rx].magFilter}get wrapS(){return this[rx].wrapS}get wrapT(){return this[rx].wrapT}setMinFilter(t){this[ix]("minFilter",t)}setMagFilter(t){this[ix]("magFilter",t)}setWrapS(t){this[ix]("wrapS",t)}setWrapT(t){this[ix]("wrapT",t)}[ix](t,e){const n=this[rx];if(null!=n){if(((t,e)=>{switch(t){case"minFilter":return Qy(e);case"magFilter":return tx(e);case"wrapS":case"wrapT":return ex(e);default:throw new Error(`Cannot configure property "${t}" on Sampler`)}})(t,e)){n[t]=e;for(const n of this[nx])n[t]=e,n.needsUpdate=!0}this[Gy]()}}}const ax=Symbol("image"),ox=Symbol("sampler");class lx extends Wy{constructor(t,e,n=null,i=null,r=null){super(t,n||{},new Set(e?[e]:[])),this[ox]=new sx(t,e,i),this[ax]=new Zy(t,e,r)}get name(){return this[Vy].name||""}set name(t){this[Vy].name=t}get sampler(){return this[ox]}get source(){return this[ax]}}var hx,cx;const ux=Symbol("texture"),dx=Symbol("transform"),px=Symbol("materials"),mx=Symbol("usage");var fx;!function(t){t[t.Base=0]="Base",t[t.MetallicRoughness=1]="MetallicRoughness",t[t.Normal=2]="Normal",t[t.Occlusion=3]="Occlusion",t[t.Emissive=4]="Emissive"}(fx||(fx={}));class gx{constructor(t,e,n,i,r,s){if(this[hx]=null,this[cx]={rotation:0,scale:new Rt(1,1),offset:new Rt(0,0)},s&&n){const e=r.textures?r.textures[s.index]:null,i=e&&r.samplers?r.samplers[e.sampler]:null,a=e&&r.images?r.images[e.source]:null;this[dx].rotation=n.rotation,this[dx].scale.copy(n.repeat),this[dx].offset.copy(n.offset),this[ux]=new lx(t,n,e,i,a)}this.onUpdate=t,this[px]=i,this[mx]=e}get texture(){return this[ux]}setTexture(t){const e=null!=t?t.source[Yy]:null;let n=ot;if(this[ux]=t,this[px])for(const t of this[px]){switch(this[mx]){case fx.Base:t.map=e;break;case fx.MetallicRoughness:n=at,t.metalnessMap=e,t.roughnessMap=e;break;case fx.Normal:n=at,t.normalMap=e;break;case fx.Occlusion:n=at,t.aoMap=e;break;case fx.Emissive:t.emissiveMap=e}t.needsUpdate=!0}e&&(e.encoding=n,e.rotation=this[dx].rotation,e.repeat=this[dx].scale,e.offset=this[dx].offset),this.onUpdate()}}hx=ux,cx=dx;const vx=Symbol("threeMaterials"),yx=Symbol("baseColorTexture"),xx=Symbol("metallicRoughnessTexture");class bx extends Wy{constructor(t,e,n,i){super(t,n,i),null==n.baseColorFactor&&(n.baseColorFactor=[1,1,1,1]),null==n.roughnessFactor&&(n.roughnessFactor=1),null==n.metallicFactor&&(n.metallicFactor=1);const{baseColorTexture:r,metallicRoughnessTexture:s}=n,{map:a,metalnessMap:o}=i.values().next().value;this[yx]=new gx(t,fx.Base,a,i,e,r||null),this[xx]=new gx(t,fx.MetallicRoughness,o,i,e,s||null)}get[vx](){return this[Hy]}get baseColorFactor(){return this[Vy].baseColorFactor}get metallicFactor(){return this[Vy].metallicFactor}get roughnessFactor(){return this[Vy].roughnessFactor}get baseColorTexture(){return this[yx]}get metallicRoughnessTexture(){return this[xx]}setBaseColorFactor(t){for(const e of this[vx])e.color.fromArray(t),e.opacity=t[3];this[Vy].baseColorFactor=t,this[Gy]()}setMetallicFactor(t){for(const e of this[vx])e.metalness=t;this[Vy].metallicFactor=t,this[Gy]()}setRoughnessFactor(t){for(const e of this[vx])e.roughness=t;this[Vy].roughnessFactor=t,this[Gy]()}}var _x;const wx=Symbol("pbrMetallicRoughness"),Mx=Symbol("normalTexture"),Sx=Symbol("occlusionTexture"),Tx=Symbol("emissiveTexture"),Ex=Symbol("backingThreeMaterial"),Ax=Symbol("applyAlphaCutoff"),Rx=Symbol("lazyLoadGLTFInfo"),Cx=Symbol("initialize"),Lx=Symbol("getLoadedMaterial"),Px=Symbol("ensureMaterialIsLoaded"),Dx=Symbol("gltfIndex"),Ix=Symbol("setActive"),Ox=Symbol("variantIndices"),Nx=Symbol("isActive"),Fx=Symbol("variantSet"),Ux=Symbol("modelVariants");class kx extends Wy{constructor(t,e,n,i,r,s,a,o=void 0){super(t,n,a),this[_x]=new Set,this[Dx]=i,this[Nx]=r,this[Ux]=s,null==o?this[Cx](e):this[Rx]=o}get[(_x=Fx,Ex)](){return this[Hy].values().next().value}[Cx](t){const e=this[Gy],n=this[Vy],i=this[Hy];n.extensions&&n.extensions.KHR_materials_pbrSpecularGlossiness&&console.warn(`Material ${n.name} uses a deprecated extension\n          "KHR_materials_pbrSpecularGlossiness", please use\n          "pbrMetallicRoughness" instead. Specular Glossiness materials are\n          currently supported for rendering, but not for our scene-graph API,\n          nor for auto-generation of USDZ for Quick Look.`),null==n.pbrMetallicRoughness&&(n.pbrMetallicRoughness={}),this[wx]=new bx(e,t,n.pbrMetallicRoughness,i),null==n.emissiveFactor&&(n.emissiveFactor=[0,0,0]),null==n.doubleSided&&(n.doubleSided=!1),null==n.alphaMode&&(n.alphaMode="OPAQUE"),null==n.alphaCutoff&&(n.alphaCutoff=.5);const{normalTexture:r,occlusionTexture:s,emissiveTexture:a}=n,{normalMap:o,aoMap:l,emissiveMap:h}=i.values().next().value;this[Mx]=new gx(e,fx.Normal,o,i,t,r||null),this[Sx]=new gx(e,fx.Occlusion,l,i,t,s||null),this[Tx]=new gx(e,fx.Emissive,h,i,t,a||null)}async[Lx](){if(null!=this[Rx]){const{set:t,material:e}=await this[Rx].doLazyLoad();return this[Hy]=t,this[Cx](this[Rx].gltf),this[Rx]=void 0,this.ensureLoaded=async()=>{},e}return this[Hy].values().next().value}[Px](){if(null!=this[Rx])throw new Error(`Material "${this.name}" has not been loaded, call 'await\n    myMaterial.ensureLoaded()' before using an unloaded material.`)}async ensureLoaded(){await this[Lx]()}get isLoaded(){return null==this[Rx]}get isActive(){return this[Nx]}[Ix](t){this[Nx]=t}get name(){return this[Vy].name}set name(t){const e=this[Vy];if(null!=e&&(e.name=t),null!=this[Hy])for(const e of this[Hy])e.name=t}get pbrMetallicRoughness(){return this[Px](),this[wx]}get normalTexture(){return this[Px](),this[Mx]}get occlusionTexture(){return this[Px](),this[Sx]}get emissiveTexture(){return this[Px](),this[Tx]}get emissiveFactor(){return this[Px](),this[Vy].emissiveFactor}get index(){return this[Dx]}[Ox](){return this[Fx]}hasVariant(t){const e=this[Ux].get(t);return null!=e&&this[Fx].has(e.index)}setEmissiveFactor(t){this[Px]();for(const e of this[Hy])e.emissive.fromArray(t);this[Vy].emissiveFactor=t,this[Gy]()}[Ax](){this[Px]();const t=this[Vy];for(const e of this[Hy])"MASK"===this[Vy].alphaMode?e.alphaTest=t.alphaCutoff:e.alphaTest=void 0,e.needsUpdate=!0}setAlphaCutoff(t){this[Px](),this[Vy].alphaCutoff=t,this[Ax](),this[Gy]()}getAlphaCutoff(){return this[Px](),this[Vy].alphaCutoff}setDoubleSided(t){this[Px]();for(const e of this[Hy])e.side=t?2:0,e.needsUpdate=!0;this[Vy].doubleSided=t,this[Gy]()}getDoubleSided(){return this[Px](),this[Vy].doubleSided}setAlphaMode(t){this[Px]();const e=(t,e)=>{t.transparent=e,t.depthWrite=!e};this[Vy].alphaMode=t;for(const n of this[Hy])e(n,"BLEND"===t),this[Ax](),n.needsUpdate=!0;this[Gy]()}getAlphaMode(){return this[Px](),this[Vy].alphaMode}}var Bx,zx,Hx;const Vx=Symbol("materials"),Gx=Symbol("variantToMaterialMap"),Wx=Symbol("modelVariants"),jx=Symbol("mesh"),qx=Symbol("children"),Xx=Symbol("initialMaterialIdx"),$x=Symbol("activeMaterialIdx");class Yx{constructor(t){this.name="",this[Bx]=new Array,this.name=t}}Bx=qx;class Zx extends Yx{constructor(t,e,n,i){super(t.name),this[zx]=new Map,this[Hx]=new Map,this[jx]=t;const{gltf:r,threeGLTF:s,threeObjectMap:a}=i;this[Wx]=n,this.mesh.userData.variantData=n;const o=a.get(t.material);null!=o.materials?this[Xx]=this[$x]=o.materials:console.error(`Primitive (${t.name}) missing initial material reference.`);const l=t.userData.associations||{};if(null==l.meshes)return void console.error("Mesh is missing primitive index association");const h=((r.meshes||[])[l.meshes].primitives||[])[l.primitives];if(null!=h){if(null!=h.material)this[Vx].set(h.material,e[h.material]);else{const t=e.findIndex((t=>"Default"===t.name));t>=0?this[Vx].set(t,e[t]):console.warn("gltfPrimitive has no material!")}if(h.extensions&&h.extensions.KHR_materials_variants){const t=h.extensions.KHR_materials_variants,i=s.parser.json.extensions.KHR_materials_variants.variants;for(const r of t.mappings){const t=e[r.material];this[Vx].set(r.material,t);for(const e of r.variants){const{name:r}=i[e];this[Gx].set(e,t),t[Ox]().add(e),n.has(r)||n.set(r,{name:r,index:e})}}}}else console.error("Mesh primitive definition is missing.")}get mesh(){return this[jx]}async setActiveMaterial(t){const e=this[Vx].get(t);return null!=e&&(this.mesh.material=await e[Lx](),this[$x]=t),this.mesh.material}getActiveMaterial(){return this[Vx].get(this[$x])}getMaterial(t){return this[Vx].get(t)}async enableVariant(t){if(null==t)return this.setActiveMaterial(this[Xx]);if(null!=this[Gx]&&this[Wx].has(t)){const e=this[Wx].get(t);return this.enableVariantHelper(e.index)}return null}async enableVariantHelper(t){if(null!=this[Gx]&&null!=t){const e=this[Gx].get(t);if(null!=e)return this.setActiveMaterial(e.index)}return null}async instantiateVariants(){if(null!=this[Gx])for(const t of this[Gx].keys()){if(null!=this.mesh.userData.variantMaterials.get(t).material)continue;const e=await this.enableVariantHelper(t);null!=e&&(this.mesh.userData.variantMaterials.get(t).material=e)}}get variantInfo(){return this[Gx]}addVariant(t,e){if(!this.ensureVariantIsUnused(e))return!1;this[Wx].has(e)||this[Wx].set(e,{name:e,index:this[Wx].size});const n=this[Wx].get(e).index;return t[Ox]().add(n),this[Gx].set(n,t),this[Vx].set(t.index,t),this.updateVariantUserData(n,t),!0}deleteVariant(t){if(this.variantInfo.has(t)){this.variantInfo.delete(t);const e=this.mesh.userData.variantMaterials;null!=e&&e.delete(t)}}updateVariantUserData(t,e){e[Ox]().add(t),this.mesh.userData.variantData=this[Wx],this.mesh.userData.variantMaterials=this.mesh.userData.variantMaterials||new Map,this.mesh.userData.variantMaterials.set(t,{material:e[Hy].values().next().value,gltfMaterialIndex:e.index})}ensureVariantIsUnused(t){const e=this[Wx].get(t);return null==e||!this.variantInfo.has(e.index)||(console.warn(`Primitive cannot add variant '${t}' for this material, it already exists.`),!1)}}var Jx,Kx,Qx,tb,eb,nb;zx=Vx,Hx=Gx;const ib=Symbol("materials"),rb=Symbol("hierarchy"),sb=Symbol("roots"),ab=Symbol("primitives"),ob=Symbol("correlatedSceneGraph"),lb=Symbol("prepareVariantsForExport"),hb=Symbol("switchVariant"),cb=Symbol("threeScene"),ub=Symbol("materialsFromPoint"),db=Symbol("materialFromPoint"),pb=Symbol("variantData"),mb=Symbol("availableVariants"),fb=Symbol("modelOnUpdate"),gb=Symbol("cloneMaterial");class vb{constructor(t,e,n,i){this.gltf=t,this.gltfElementMap=e,this.mapKey=n,this.doLazyLoad=i}}class yb{constructor(t,e=()=>{}){this[Jx]=new Array,this[Kx]=new Array,this[Qx]=new Array,this[tb]=new Array,this[eb]=()=>{},this[nb]=new Map,this[fb]=e,this[ob]=t;const{gltf:n,threeGLTF:i,gltfElementMap:r}=t;this[cb]=i.scene;for(const[t,s]of n.materials.entries()){const a=r.get(s);if(null!=a)this[ib].push(new kx(e,n,s,t,!0,this[pb],a));else{const s=(n.materials||[])[t],o=t,l=async()=>{const t=await i.parser.getDependency("material",o),e=new Set;return r.set(s,e),e.add(t),{set:e,material:t}};this[ib].push(new kx(e,n,s,t,!1,this[pb],a,new vb(n,r,s,l)))}}const s=new Map,a=new Array;for(const t of i.scene.children)a.push(t);for(;a.length>0;){const e=a.pop();let n=null;e instanceof Yn?(n=new Zx(e,this.materials,this[pb],t),this[ab].push(n)):n=new Yx(e.name);const i=s.get(e);null!=i?i[qx].push(n):this[sb].push(n),this[rb].push(n);for(const t of e.children)a.push(t),s.set(e,n)}}get materials(){return this[ib]}[(Jx=ib,Kx=rb,Qx=sb,tb=ab,eb=fb,nb=pb,mb)](){const t=Array.from(this[pb].values());return t.sort(((t,e)=>t.index-e.index)),t.map((t=>t.name))}getMaterialByName(t){const e=this[ib].filter((e=>e.name===t));return e.length>0?e[0]:null}[ub](t){return t.intersectObject(this[cb],!0).map((t=>{const e=this[rb].find((e=>e instanceof Zx&&e.mesh===t.object));return null!=e?e.getActiveMaterial():null}))}[db](t){const e=this[ub](t);return e.length>0?e[0]:null}async[hb](t){for(const e of this[ab])await e.enableVariant(t);for(const t of this.materials)t[Ix](!1);for(const t of this[ab])this.materials[t.getActiveMaterial().index][Ix](!0)}async[lb](){const t=new Array;for(const e of this[ab])t.push(e.instantiateVariants());await Promise.all(t)}[gb](t,e){const n=this.materials[t];n.isLoaded||console.error("Cloning an unloaded material,\n           call 'material.ensureLoaded() before cloning the material.");const i=n[Hy],r=JSON.parse(JSON.stringify(n[Vy]));r.name=e,this[ob].gltf.materials.push(r);const s=new Set;for(const[t,n]of i.entries()){const r=n.clone();r.name=e+(i.size>1?"_inst"+t:""),s.add(r)}const a=new kx(this[fb],this[ob].gltf,r,this[ib].length,!1,this[pb],s);return this[ib].push(a),a}createMaterialInstanceForVariant(t,e,n,i=!0){let r=null;for(const i of this[ab]){const s=this[pb].get(n);null!=s&&i.variantInfo.has(s.index)||null!=i.getMaterial(t)&&(this.hasVariant(n)||this.createVariant(n),null==r&&(r=this[gb](t,e)),i.addVariant(r,n))}if(i&&null!=r){r[Ix](!0),this.materials[t][Ix](!1);for(const t of this[ab])t.enableVariant(n)}return r}createVariant(t){this[pb].has(t)?console.warn(`Variant '${t}'' already exists`):this[pb].set(t,{name:t,index:this[pb].size})}hasVariant(t){return this[pb].has(t)}setMaterialToVariant(t,e){if(null!=this[mb]().find((t=>t===e)))if(t<0||t>=this.materials.length)console.error("setMaterialToVariant(): materialIndex is out of bounds.");else for(const n of this[ab]){const i=n.getMaterial(t);null!=i&&n.addVariant(i,e)}else console.warn(`Can't add material to '${e}', the variant does not exist.'`)}updateVariantName(t,e){const n=this[pb].get(t);null!=n&&(n.name=e,this[pb].set(e,n),this[pb].delete(t))}deleteVariant(t){const e=this[pb].get(t);if(null!=e){for(const n of this.materials)n.hasVariant(t)&&n[Fx].delete(e.index);for(const t of this[ab])t.deleteVariant(e.index);this[pb].delete(t)}}}var xb=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const bb=Symbol("currentGLTF"),_b=Symbol("model"),wb=Symbol("getOnUpdateMethod"),Mb=Symbol("textureLoader"),Sb=Symbol("originalGltfJson");var Tb=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Eb=Math.PI/32,Ab={basis:[Md(pd(Eb,"rad"))],keywords:{auto:[null]}},Rb=Symbol("autoRotateStartTime"),Cb=Symbol("radiansPerSecond"),Lb=Symbol("syncRotationRate"),Pb=Symbol("onCameraChange"),Db=(t=>{var e,n,i;class r extends t{constructor(){super(...arguments),this[e]=new Map,this[n]=t=>{t.forEach((t=>{t instanceof MutationRecord&&"childList"!==t.type||(t.addedNodes.forEach((t=>{this[Gm](t)})),t.removedNodes.forEach((t=>{this[Wm](t)})),this[wm]())}))},this[i]=new MutationObserver(this[Hm])}connectedCallback(){super.connectedCallback();for(let t=0;t<this.children.length;++t)this[Gm](this.children[t]);const{ShadyDOM:t}=self;null==t?this[Vm].observe(this,{childList:!0}):this[Vm]=t.observeChildren(this,this[Hm])}disconnectedCallback(){super.disconnectedCallback();const{ShadyDOM:t}=self;null==t?this[Vm].disconnect():t.unobserveChildren(this[Vm])}[(e=zm,n=Hm,i=Vm,Mm)](t,e){super[Mm](t,e);const n=this[_m],{annotationRenderer:i}=n,r=n.getCamera();n.shouldRender()&&(n.updateHotspots(r.position),i.domElement.style.display="",i.render(n,r))}updateHotspot(t){const e=this[zm].get(t.name);null!=e&&(e.updatePosition(t.position),e.updateNormal(t.normal),this[wm]())}positionAndNormalFromPoint(t,e){const n=this[_m],i=n.getNDC(t,e),r=n.positionAndNormalFromPoint(i);if(null==r)return null;jm.copy(n.target.matrixWorld).invert();const s=Im(r.position.applyMatrix4(jm));qm.getNormalMatrix(jm);const a=Im(r.normal.applyNormalMatrix(qm));let o=null;return null!=r.uv&&(o=Om(r.uv)),{position:s,normal:a,uv:o}}[Gm](t){if(!(t instanceof HTMLElement&&0===t.slot.indexOf("hotspot")))return;let e=this[zm].get(t.slot);null!=e?e.increment():(e=new Ed({name:t.slot,position:t.dataset.position,normal:t.dataset.normal}),this[zm].set(t.slot,e),this[_m].addHotspot(e)),this[_m].queueRender()}[Wm](t){if(!(t instanceof HTMLElement))return;const e=this[zm].get(t.slot);e&&(e.decrement()&&(this[_m].removeHotspot(e),this[zm].delete(t.slot)),this[_m].queueRender())}}return r})((t=>{var e,n,i,s;class a extends t{constructor(){super(...arguments),this[e]=void 0,this[n]=null,this[i]=new El,this[s]=null,this.variantName=null,this.orientation="0 0 0",this.scale="1 1 1"}get model(){return this[_b]}get availableVariants(){return this.model?this.model[mb]():[]}get originalGltfJson(){return this[Sb]}[(e=_b,n=bb,i=Mb,s=Sb,wb)](){return()=>{this[wm]()}}async createTexture(t,e="image/png"){const n=this[bb],i=await new Promise((e=>this[Mb].load(t,e)));return n&&i?(i.encoding=ot,i.wrapS=T,i.wrapT=T,i.flipY=!1,i.userData.mimeType=e,new lx(this[wb](),i)):null}async updated(t){if(super.updated(t),t.has("variantName")){const t=this[bb],{variantName:e}=this;null!=t&&(await this[_b][hb](e),this[wm](),this.dispatchEvent(new CustomEvent("variant-applied")))}if(t.has("orientation")||t.has("scale")){const{modelContainer:t}=this[_m],e=md(this.orientation)[0].terms,n=Td(e[0]).number,i=Td(e[1]).number,r=Td(e[2]).number;t.quaternion.setFromEuler(new He(i,r,n,"YXZ"));const s=md(this.scale)[0].terms;t.scale.set(s[0].number,s[1].number,s[2].number),this[_m].updateBoundingBox(),this[_m].updateShadow(),this[Em].arRenderer.onUpdateScene(),this[wm]()}}[Sm](){super[Sm]();const{currentGLTF:t}=this[_m];if(null!=t){const{correlatedSceneGraph:e}=t;null!=e&&t!==this[bb]&&(this[_b]=new yb(e,this[wb]()),this[Sb]=JSON.parse(JSON.stringify(e.gltf))),"variants"in t.userData&&this.requestUpdate("variantName")}this[bb]=t,this.dispatchEvent(new CustomEvent("scene-graph-ready"))}async exportScene(t){const e=this[_m];return new Promise((async n=>{const i={binary:!0,onlyVisible:!0,maxTextureSize:1/0,forcePowerOfTwoTextures:!1,includeCustomExtensions:!1,embedImages:!0};Object.assign(i,t),i.animations=e.animations,i.truncateDrawRange=!0;const r=e.shadow;let s=!1;null!=r&&(s=r.visible,r.visible=!1),await this[_b][lb](),(new wy).register((t=>new zy(t))).parse(e.modelContainer.children[0],(t=>n(new Blob([i.binary?t:JSON.stringify(t)],{type:i.binary?"application/octet-stream":"application/json"}))),i),null!=r&&(r.visible=s)}))}materialFromPoint(t,e){const n=this[_m],i=n.getNDC(t,e);return n.raycaster.setFromCamera(i,n.getCamera()),this[_b][db](n.raycaster)}}return xb([r({type:String,attribute:"variant-name"})],a.prototype,"variantName",void 0),xb([r({type:String,attribute:"orientation"})],a.prototype,"orientation",void 0),xb([r({type:String,attribute:"scale"})],a.prototype,"scale",void 0),a})((t=>{var e,n,i;class s extends t{constructor(){super(...arguments),this.autoRotate=!1,this.autoRotateDelay=3e3,this.rotationPerSecond="auto",this[e]=performance.now(),this[n]=0,this[i]=t=>{this.autoRotate&&"user-interaction"===t.detail.source&&(this[Rb]=performance.now())}}connectedCallback(){super.connectedCallback(),this.addEventListener("camera-change",this[Pb]),this[Rb]=performance.now()}disconnectedCallback(){super.disconnectedCallback(),this.removeEventListener("camera-change",this[Pb]),this[Rb]=performance.now()}updated(t){super.updated(t),t.has("autoRotate")&&(this[Rb]=performance.now())}[(e=Rb,n=Cb,Lb)](t){this[Cb]=t[0]}[Mm](t,e){if(super[Mm](t,e),!this.autoRotate||!this[Dm]()||this[Em].isPresenting)return;const n=Math.min(e,t-this[Rb]-this.autoRotateDelay);n>0&&(this[_m].yaw=this.turntableRotation+this[Cb]*n*.001)}get turntableRotation(){return this[_m].yaw}resetTurntableRotation(t=0){this[_m].yaw=t}}return i=Pb,Tb([r({type:Boolean,attribute:"auto-rotate"})],s.prototype,"autoRotate",void 0),Tb([r({type:Number,attribute:"auto-rotate-delay"})],s.prototype,"autoRotateDelay",void 0),Tb([Qg({intrinsics:Ab,updateHandler:Lb}),r({type:String,attribute:"rotation-per-second"})],s.prototype,"rotationPerSecond",void 0),s})((t=>{var e,n,i;class s extends t{constructor(){super(...arguments),this.environmentImage=null,this.skyboxImage=null,this.shadowIntensity=0,this.shadowSoftness=1,this.exposure=1,this[e]=null,this[n]=null,this[i]=t=>{t.element===this&&this[Gd]()}}connectedCallback(){super.connectedCallback(),this[Em].loader.addEventListener("preload",this[jd])}disconnectedCallback(){super.disconnectedCallback(),this[Em].loader.removeEventListener("preload",this[jd])}updated(t){super.updated(t),t.has("shadowIntensity")&&(this[_m].setShadowIntensity(.5*this.shadowIntensity),this[wm]()),t.has("shadowSoftness")&&(this[_m].setShadowSoftness(this.shadowSoftness),this[wm]()),t.has("exposure")&&(this[_m].exposure=this.exposure,this[wm]()),(t.has("environmentImage")||t.has("skyboxImage"))&&this[Lm]()&&this[Gd]()}hasBakedShadow(){return this[_m].bakedShadows.size>0}[(e=Hd,n=Wd,i=jd,Sm)](){super[Sm](),null!=this[Hd]&&this[Vd](this[Hd])}async[Gd](){const{skyboxImage:t,environmentImage:e}=this;null!=this[Wd]&&(this[Wd](),this[Wd]=null);const{textureUtils:n}=this[Em];if(null!=n)try{const{environmentMap:i,skybox:r}=await new Promise((async(i,r)=>{const s=n.generateEnvironmentMapAndSkybox(rd(t),e,{progressTracker:this[Am]});this[Wd]=()=>r(s),i(await s)}));this[_m].background=null!=r?r.name===i.name?i:r:null,this[Vd](i),this[_m].dispatchEvent({type:"envmap-update"})}catch(t){if(t instanceof Error)throw this[Vd](null),t}}[Vd](t){this[_m].environment!==t&&(this[Hd]=t,this[_m].environment=this[Hd],this.dispatchEvent(new CustomEvent("environment-change")),this[wm]())}}return zd([r({type:String,attribute:"environment-image"})],s.prototype,"environmentImage",void 0),zd([r({type:String,attribute:"skybox-image"})],s.prototype,"skyboxImage",void 0),zd([r({type:Number,attribute:"shadow-intensity"})],s.prototype,"shadowIntensity",void 0),zd([r({type:Number,attribute:"shadow-softness"})],s.prototype,"shadowSoftness",void 0),zd([r({type:Number})],s.prototype,"exposure",void 0),s})((t=>{var e,n,i,s,a,o,l,h,c,u,d,p,m,f,g,v,y,x;class b extends t{constructor(){super(...arguments),this.cameraControls=!1,this.cameraOrbit=mv,this.cameraTarget="auto auto auto",this.fieldOfView="auto",this.minCameraOrbit="auto",this.maxCameraOrbit="auto",this.minFieldOfView="auto",this.maxFieldOfView="auto",this.interactionPromptThreshold=3e3,this.interactionPromptStyle=xv,this.interactionPrompt=vv,this.interactionPolicy="always-allow",this.orbitSensitivity=1,this.touchAction="pan-y",this.disableZoom=!1,this.enablePan=!1,this.interpolationDecay=50,this.bounds="legacy",this[e]=this.shadowRoot.querySelector(".interaction-prompt"),this[n]=this.shadowRoot.querySelector("#prompt"),this[i]=[this.shadowRoot.querySelector("#finger0"),this.shadowRoot.querySelector("#finger1")],this[s]=this.shadowRoot.querySelector(".pan-target"),this[a]=1/0,this[o]=0,this[l]=1/0,this[h]=!1,this[c]=!1,this[u]=new ov(this[_m].camera,this[xm],this[_m]),this[d]=new hh,this[p]=!1,this[m]=!1,this[f]=!1,this[g]=()=>{isFinite(this[qv])||(this[qv]=performance.now()),this.interactionPrompt!==yv||this[Gv]||(this[Vv]=!0)},this[v]=()=>{this.interactionPrompt===yv&&(this[Vv]=!1,this[Dv].classList.remove("visible"),this[Wv]=1/0,this[qv]=1/0)},this[y]=({source:t})=>{this[Fv](),this[wm](),t===sv&&(this[Gv]=!0,this[Nv]()),this.dispatchEvent(new CustomEvent("camera-change",{detail:{source:t}}))},this[x]=t=>{"pointer-change-start"===t.type?this[ym].classList.add("pointer-tumbling"):this[ym].classList.remove("pointer-tumbling")}}getCameraOrbit(){const{theta:t,phi:e,radius:n}=this[Xv];return{theta:t,phi:e,radius:n,toString(){return`${this.theta}rad ${this.phi}rad ${this.radius}m`}}}getCameraTarget(){return Im(this[Em].isPresenting?this[Em].arRenderer.target:this[_m].getTarget())}getFieldOfView(){return this[Lv].getFieldOfView()}getMinimumFieldOfView(){return this[Lv].options.minimumFieldOfView}getMaximumFieldOfView(){return this[Lv].options.maximumFieldOfView}getIdealAspect(){return this[_m].idealAspect}jumpCameraToGoal(){this[$v]=!0,this.requestUpdate($v,!1)}resetInteractionPrompt(){this[jv]=0,this[Wv]=1/0,this[Gv]=!1,this[Vv]=this.interactionPrompt===vv&&this.cameraControls}zoom(t){const e=new WheelEvent("wheel",{deltaY:-30*t});this[xm].dispatchEvent(e)}connectedCallback(){super.connectedCallback(),this[Lv].addEventListener("change",this[zv]),this[Lv].addEventListener("pointer-change-start",this[Hv]),this[Lv].addEventListener("pointer-change-end",this[Hv])}disconnectedCallback(){super.disconnectedCallback(),this[Lv].removeEventListener("change",this[zv]),this[Lv].removeEventListener("pointer-change-start",this[Hv]),this[Lv].removeEventListener("pointer-change-end",this[Hv])}updated(t){super.updated(t);const e=this[Lv],n=this[_m],i=this[xm];if(t.has("cameraControls")&&(this.cameraControls?(e.enableInteraction(),this.interactionPrompt===vv&&(this[Vv]=!0),i.addEventListener("focus",this[Bv]),i.addEventListener("blur",this[kv])):(i.removeEventListener("focus",this[Bv]),i.removeEventListener("blur",this[kv]),e.disableInteraction(),this[Nv]()),this[xm].setAttribute("aria-label",this[um])),t.has("disableZoom")&&(e.disableZoom=this.disableZoom),t.has("enablePan")&&(e.enablePan=this.enablePan),t.has("bounds")&&(n.tightBounds="tight"===this.bounds),(t.has("interactionPrompt")||t.has("cameraControls")||t.has("src"))&&(this.interactionPrompt===vv&&this.cameraControls&&!this[Gv]?this[Vv]=!0:this[Nv]()),t.has("interactionPolicy")){const t=this.interactionPolicy;e.applyOptions({interactionPolicy:t})}if(t.has("touchAction")){const t=this.touchAction;e.applyOptions({touchAction:t}),e.updateTouchActionStyle()}t.has("orbitSensitivity")&&(e.sensitivity=this.orbitSensitivity),t.has("interpolationDecay")&&(e.setDamperDecayTime(this.interpolationDecay),n.setTargetDamperDecayTime(this.interpolationDecay)),!0===this[$v]&&Promise.resolve().then((()=>{e.jumpToGoal(),n.jumpToGoal(),this[$v]=!1}))}async updateFraming(){const t=this[_m],e=t.adjustedFoV(t.framedFoVDeg);await t.updateFraming();const n=t.adjustedFoV(t.framedFoVDeg),i=this[Lv].getFieldOfView()/e;this[Lv].setFieldOfView(n*i),this[Zv]=!0,this.requestUpdate("maxFieldOfView"),this.requestUpdate("fieldOfView"),this.requestUpdate("minCameraOrbit"),this.requestUpdate("maxCameraOrbit"),this.requestUpdate("cameraOrbit"),await this.updateComplete}interact(t,e,n){const i=this[xm],r=this[Ov];if("1"===r[0].style.opacity)return void console.warn("interact() failed because an existing interaction is running.");const s=new Array;s.push({x:cv(e.x),y:cv(e.y)});const a=[{x:s[0].x(0),y:s[0].y(0)}];null!=n&&(s.push({x:cv(n.x),y:cv(n.y)}),a.push({x:s[1].x(0),y:s[1].y(0)}));let o=performance.now();const{width:l,height:h}=this[_m],c=t=>{for(const[e,n]of a.entries()){const{style:s}=r[e];s.transform=`translateX(${l*n.x}px) translateY(${h*n.y}px)`,"pointerdown"===t?s.opacity="1":"pointerup"===t&&(s.opacity="0");const a={pointerId:e-5678,pointerType:"touch",target:i,clientX:l*n.x,clientY:h*n.y,altKey:!0};i.dispatchEvent(new PointerEvent(t,a))}},u=()=>{if(this[Lv].isUserChange){for(const t of this[Ov])t.style.opacity="0";return void c("pointercancel")}const e=Math.min(1,(performance.now()-o)/t);for(const[t,n]of a.entries())n.x=s[t].x(e),n.y=s[t].y(e);c("pointermove"),e<1?requestAnimationFrame(u):(c("pointerup"),document.removeEventListener("visibilitychange",d))},d=()=>{let t=0;"hidden"===document.visibilityState?t=performance.now()-o:o=performance.now()-t};document.addEventListener("visibilitychange",d),c("pointerdown"),requestAnimationFrame(u)}[(e=Dv,n=Iv,i=Ov,s=Pv,a=qv,o=jv,l=Wv,h=Gv,c=Vv,u=Lv,d=Xv,p=$v,m=Yv,f=Zv,Kv)](t){const e=this[_m];e.framedFoVDeg=180*t[0]/Math.PI,this[Lv].setFieldOfView(e.adjustedFoV(e.framedFoVDeg))}[Jv](t){const e=this[Lv];if(this[Zv]){const{theta:e,phi:n}=this.getCameraOrbit();t[0]=e,t[1]=n,this[Zv]=!1}e.isUserChange=!1,e.setOrbit(t[0],t[1],t[2])}[ty](t){this[Lv].applyOptions({minimumAzimuthalAngle:t[0],minimumPolarAngle:t[1],minimumRadius:t[2]}),this.jumpCameraToGoal()}[ey](t){this[Lv].applyOptions({maximumAzimuthalAngle:t[0],maximumPolarAngle:t[1],maximumRadius:t[2]}),this[Uv](t[2]),this.jumpCameraToGoal()}[ny](t){this[Lv].applyOptions({minimumFieldOfView:180*t[0]/Math.PI}),this.jumpCameraToGoal()}[iy](t){const e=this[_m].adjustedFoV(180*t[0]/Math.PI);this[Lv].applyOptions({maximumFieldOfView:e}),this.jumpCameraToGoal()}[Qv](t){const[e,n,i]=t;this[Em].arRenderer.isPresenting||this[_m].setTarget(e,n,i),this[Lv].isUserChange=!1,this[Em].arRenderer.updateTarget()}[Mm](t,e){if(super[Mm](t,e),this[Em].isPresenting||!this[Dm]())return;const n=this[Lv],i=this[_m],r=performance.now();if(this[Vv]){const t=this.interactionPrompt===vv?this[fm]:this[qv];this.loaded&&r>t+this.interactionPromptThreshold&&(this[Vv]=!1,this[Wv]=r,this[Dv].classList.add("visible"))}if(isFinite(this[Wv])&&this.interactionPromptStyle===xv){const t=(r-this[Wv])/5e3%1,e=dv(t),s=pv(t);if(this[Iv].style.opacity=`${s}`,e!==this[jv]){const t=e*i.width*.05,r=(e-this[jv])*Math.PI/16;this[Iv].style.transform=`translateX(${t}px)`,n.isUserChange=!1,n.adjustOrbit(r,0,0),this[jv]=e}}if(n.update(t,e),i.updateTarget(e)){const t=n.isUserChange?sv:av;this[zv]({type:"change",source:t})}}[Nv](){this[Vv]=!1,this[Dv].classList.remove("visible"),this[Wv]=1/0}[Uv](t){const e=2*Math.max(this[_m].boundingSphere.radius,t);this[Lv].updateNearFar(0,e)}[Fv](){const{theta:t,phi:e}=this[Lv].getCameraSpherical(this[Xv]),n=(4+Math.floor((t%Cv+Rv)/Ev))%4,i=Math.floor(e/Av),r=fv[n],s=gv[i];this[mm](`View from stage ${s}${r}`)}get[um](){return super[um]+(this.cameraControls?". Use mouse, touch or arrow keys to move.":"")}async[Tm](t){const e=this[Lv],n=this[_m],i=n.adjustedFoV(n.framedFoVDeg);super[Tm](t);const r=n.adjustedFoV(n.framedFoVDeg)/i,s=e.getFieldOfView()*(isFinite(r)?r:1);e.updateAspect(this[_m].aspect),this.requestUpdate("maxFieldOfView",this.maxFieldOfView),await this.updateComplete,this[Lv].setFieldOfView(s),this.jumpCameraToGoal()}[Sm](){super[Sm](),this[Yv]?this[Zv]=!0:this[Yv]=!0,this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.requestUpdate("minCameraOrbit",this.minCameraOrbit),this.requestUpdate("maxCameraOrbit",this.maxCameraOrbit),this.requestUpdate("cameraOrbit",this.cameraOrbit),this.requestUpdate("cameraTarget",this.cameraTarget),this.jumpCameraToGoal()}}return g=Bv,v=kv,y=zv,x=Hv,uv([r({type:Boolean,attribute:"camera-controls"})],b.prototype,"cameraControls",void 0),uv([Qg({intrinsics:wv,observeEffects:!0,updateHandler:Jv}),r({type:String,attribute:"camera-orbit",hasChanged:()=>!0})],b.prototype,"cameraOrbit",void 0),uv([Qg({intrinsics:Tv,observeEffects:!0,updateHandler:Qv}),r({type:String,attribute:"camera-target",hasChanged:()=>!0})],b.prototype,"cameraTarget",void 0),uv([Qg({intrinsics:bv,observeEffects:!0,updateHandler:Kv}),r({type:String,attribute:"field-of-view",hasChanged:()=>!0})],b.prototype,"fieldOfView",void 0),uv([Qg({intrinsics:Mv,updateHandler:ty}),r({type:String,attribute:"min-camera-orbit",hasChanged:()=>!0})],b.prototype,"minCameraOrbit",void 0),uv([Qg({intrinsics:Sv,updateHandler:ey}),r({type:String,attribute:"max-camera-orbit",hasChanged:()=>!0})],b.prototype,"maxCameraOrbit",void 0),uv([Qg({intrinsics:_v,updateHandler:ny}),r({type:String,attribute:"min-field-of-view",hasChanged:()=>!0})],b.prototype,"minFieldOfView",void 0),uv([Qg({intrinsics:bv,updateHandler:iy}),r({type:String,attribute:"max-field-of-view",hasChanged:()=>!0})],b.prototype,"maxFieldOfView",void 0),uv([r({type:Number,attribute:"interaction-prompt-threshold"})],b.prototype,"interactionPromptThreshold",void 0),uv([r({type:String,attribute:"interaction-prompt-style"})],b.prototype,"interactionPromptStyle",void 0),uv([r({type:String,attribute:"interaction-prompt"})],b.prototype,"interactionPrompt",void 0),uv([r({type:String,attribute:"interaction-policy"})],b.prototype,"interactionPolicy",void 0),uv([r({type:Number,attribute:"orbit-sensitivity"})],b.prototype,"orbitSensitivity",void 0),uv([r({type:String,attribute:"touch-action"})],b.prototype,"touchAction",void 0),uv([r({type:Boolean,attribute:"disable-zoom"})],b.prototype,"disableZoom",void 0),uv([r({type:Boolean,attribute:"enable-pan"})],b.prototype,"enablePan",void 0),uv([r({type:Number,attribute:"interpolation-decay"})],b.prototype,"interpolationDecay",void 0),uv([r({type:String,attribute:"bounds"})],b.prototype,"bounds",void 0),b})((t=>{var e,n,i,s,a,o,l,h,c,u;class d extends t{constructor(){super(...arguments),this.ar=!1,this.arScale="auto",this.arPlacement="floor",this.arModes="webxr scene-viewer",this.iosSrc=null,this.xrEnvironment=!1,this[e]=!1,this[n]=this.shadowRoot.querySelector(".ar-button"),this[i]=document.createElement("a"),this[s]=new Set,this[a]=tg,this[o]=!1,this[l]=t=>{t.preventDefault(),this.activateAR()},this[h]=({status:t})=>{t!==tp&&this[Em].arRenderer.presentedScene!==this[_m]||(this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}})),t===tp?this.removeAttribute("ar-tracking"):t===ep&&this.setAttribute("ar-tracking",np))},this[c]=({status:t})=>{this.setAttribute("ar-tracking",t),this.dispatchEvent(new CustomEvent("ar-tracking",{detail:{status:t}}))},this[u]=t=>{"_apple_ar_quicklook_button_tapped"==t.data&&this.dispatchEvent(new CustomEvent("quick-look-button-tapped"))}}get canActivateAR(){return this[ag]!==tg}connectedCallback(){super.connectedCallback(),this[Em].arRenderer.addEventListener("status",this[ug]),this.setAttribute("ar-status",tp),this[Em].arRenderer.addEventListener("tracking",this[dg]),this[lg].addEventListener("message",this[pg])}disconnectedCallback(){super.disconnectedCallback(),this[Em].arRenderer.removeEventListener("status",this[ug]),this[Em].arRenderer.removeEventListener("tracking",this[dg]),this[lg].removeEventListener("message",this[pg])}async update(t){super.update(t),t.has("arScale")&&(this[_m].canScale="fixed"!==this.arScale),t.has("arPlacement")&&(this[_m].updateShadow(),this[wm]()),(t.has("ar")||t.has("arModes")||t.has("src")||t.has("iosSrc"))&&(t.has("arModes")&&(this[og]=Yf(this.arModes)),this[mg]())}async activateAR(){switch(this[ag]){case Jf:this[rg]();break;case Qf:await this[ng]();break;case Kf:this[ig]();break;default:console.warn("No AR Mode can be activated. This is probably due to missing configuration or device capabilities")}}async[(e=sg,n=eg,i=lg,s=og,a=ag,o=hg,l=cg,h=ug,c=dg,u=pg,mg)](){if(this[ag]=tg,this.ar){if(null!=this.src)for(const t of this[og]){if("webxr"===t&&Tc&&!qf&&await this[Em].arRenderer.supportsPresentation()){this[ag]=Qf;break}if("scene-viewer"===t&&Pc&&!Xf){this[ag]=Kf;break}if("quick-look"===t&&Rc){this[ag]=Jf;break}}!this.canActivateAR&&null!=this.iosSrc&&Rc&&(this[ag]=Jf)}if(this.canActivateAR)this[eg].classList.add("enabled"),this[eg].addEventListener("click",this[cg]);else if(this[eg].classList.contains("enabled")){this[eg].removeEventListener("click",this[cg]),this[eg].classList.remove("enabled");const t="failed";this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}}))}}async[ng](){console.log("Attempting to present in AR with WebXR..."),await this[fg]();try{this[eg].removeEventListener("click",this[cg]);const{arRenderer:t}=this[Em];t.placeOnWall="wall"===this.arPlacement,await t.present(this[_m],this.xrEnvironment)}catch(t){console.warn("Error while trying to present in AR with WebXR"),console.error(t),await this[Em].arRenderer.stopPresenting(),qf=!0,console.warn("Falling back to next ar-mode"),await this[mg](),this.activateAR()}finally{this[mg]()}}async[fg](){this.loaded||(this[hg]=!0,this[gm](),await((t,e,n=null)=>new Promise((i=>{t.addEventListener(e,(function r(s){n&&!n(s)||(i(s),t.removeEventListener(e,r))}))})))(this,"load"),this[hg]=!1)}[Lm](){return super[Lm]()||this[hg]}[ig](){const t=self.location.toString(),e=new URL(t),n=new URL(this.src,t),i=new URLSearchParams(n.search);if(e.hash=$f,i.set("mode","ar_preferred"),i.has("disable_occlusion")||i.set("disable_occlusion","true"),"fixed"===this.arScale&&i.set("resizable","false"),"wall"===this.arPlacement&&i.set("enable_vertical_placement","true"),i.has("sound")){const e=new URL(i.get("sound"),t);i.set("sound",e.toString())}if(i.has("link")){const e=new URL(i.get("link"),t);i.set("link",e.toString())}const r=`intent://arvr.google.com/scene-viewer/1.0?${i.toString()+"&file="+encodeURIComponent(n.toString())}#Intent;scheme=https;package=com.google.ar.core;action=android.intent.action.VIEW;S.browser_fallback_url=${encodeURIComponent(e.toString())};end;`;self.addEventListener("hashchange",(()=>{self.location.hash===$f&&(Xf=!0,self.history.back(),console.warn("Error while trying to present in AR with Scene Viewer"),console.warn("Falling back to next ar-mode"),this[mg]())}),{once:!0}),this[lg].setAttribute("href",r),console.log("Attempting to present in AR with Scene Viewer..."),this[lg].click()}async[rg](){const t=!this.iosSrc;this[eg].classList.remove("enabled");const e=t?await this.prepareUSDZ():this.iosSrc,n=new URL(e,self.location.toString());"fixed"===this.arScale&&(n.hash&&(n.hash+="&"),n.hash+="allowsContentScaling=0");const i=this[lg];i.setAttribute("rel","ar");const r=document.createElement("img");i.appendChild(r),i.setAttribute("href",n.toString()),t&&i.setAttribute("download","model.usdz"),console.log("Attempting to present in AR with Quick Look..."),i.click(),i.removeChild(r),t&&URL.revokeObjectURL(e),this[eg].classList.add("enabled")}async prepareUSDZ(){const t=this[Am].beginActivity();await this[fg]();const e=this[_m],n=e.shadow;let i=!1;null!=n&&(i=n.visible,n.visible=!1),t(.2);const r=new Uf,s=await r.parse(e.modelContainer),a=new Blob([s],{type:"model/vnd.usdz+zip"}),o=URL.createObjectURL(a);return t(1),null!=n&&(n.visible=i),o}}return jf([r({type:Boolean,attribute:"ar"})],d.prototype,"ar",void 0),jf([r({type:String,attribute:"ar-scale"})],d.prototype,"arScale",void 0),jf([r({type:String,attribute:"ar-placement"})],d.prototype,"arPlacement",void 0),jf([r({type:String,attribute:"ar-modes"})],d.prototype,"arModes",void 0),jf([r({type:String,attribute:"ios-src"})],d.prototype,"iosSrc",void 0),jf([r({type:Boolean,attribute:"xr-environment"})],d.prototype,"xrEnvironment",void 0),d})((t=>{var e,n,i,s,a,o,l,h,c,u,d,p,m,f;class g extends t{constructor(...t){super(...t),this.poster=null,this.reveal=sy,this.loading="auto",this.generateSchema=!1,this.seamlessPoster=!1,this[e]=!1,this[n]=!1,this[i]=0,this[s]=null,this[a]=this.shadowRoot.querySelector(".slot.poster"),this[o]=this.shadowRoot.querySelector("#default-poster"),this[l]=this.shadowRoot.querySelector("#default-progress-bar > .bar"),this[h]=this.shadowRoot.querySelector("#default-progress-bar > .mask"),this[c]=this[cy].getAttribute("aria-label"),this[u]=(t=>{let e=null;const n=(...n)=>{null==e&&(t(...n),e=self.setTimeout((()=>e=null),100))};return n.flush=()=>{null!=e&&(self.clearTimeout(e),e=null)},n})((t=>{const e=this[oy].parentNode;requestAnimationFrame((()=>{this[ly].style.opacity=""+.2*(1-t),this[oy].style.transform=`scaleX(${t})`,0===t&&(e.removeChild(this[oy]),e.appendChild(this[oy])),1===t?this[oy].classList.add("hide"):this[oy].classList.remove("hide")}))})),this[d]=()=>{this.reveal!==ay&&this.reveal!==sy&&this.dismissPoster()},this[p]=t=>{if(this.reveal!==ay)switch(t.keyCode){case 32:case 13:this.dismissPoster()}},this[m]=t=>{const e=t.detail.totalProgress;this[fy]=Math.max(e,this[fy]),1===e&&(this[my].flush(),!this[Pm]()||null==this[uy]&&this.reveal!==sy||this[dy]()),this[my](e),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:e}}))},this[f]=()=>{this[gy]=!0;const t=this.getRootNode();t&&t.activeElement===this&&this[xm].focus();const e=this[cy];e.setAttribute("aria-hidden","true"),e.tabIndex=-1,this.dispatchEvent(new CustomEvent("poster-dismissed"))};const r=self.ModelViewerElement||{},g=r.dracoDecoderLocation||"https://www.gstatic.com/draco/versioned/decoders/1.4.1/";Zu.setDRACODecoderLocation(g);const v=r.ktx2TranscoderLocation||"https://www.gstatic.com/basis-universal/versioned/2021-04-15-ba1c3e4/";Zu.setKTX2TranscoderLocation(v),r.meshoptDecoderLocation&&Zu.setMeshoptDecoderLocation(r.meshoptDecoderLocation)}static set dracoDecoderLocation(t){Zu.setDRACODecoderLocation(t)}static get dracoDecoderLocation(){return Zu.getDRACODecoderLocation()}static set ktx2TranscoderLocation(t){Zu.setKTX2TranscoderLocation(t)}static get ktx2TranscoderLocation(){return Zu.getKTX2TranscoderLocation()}static set meshoptDecoderLocation(t){Zu.setMeshoptDecoderLocation(t)}static get meshoptDecoderLocation(){return Zu.getMeshoptDecoderLocation()}static mapURLs(t){Fp.singleton.loader[Xu].manager.setURLModifier(t)}dismissPoster(){this[Pm]()?this[dy]():(this[uy]="interaction",this[gm]())}showPoster(){const t=this[hy],e=this[cy];e.removeAttribute("tabindex"),e.removeAttribute("aria-hidden"),t.classList.add("show");const n=this.modelIsVisible;this[py]=!1,this[cm](n),this[gy]=!1}getDimensions(){return Im(this[_m].size)}connectedCallback(){super.connectedCallback(),this[hy].addEventListener("click",this[xy]),this[hy].addEventListener("keydown",this[by]),this[Am].addEventListener("progress",this[_y])}disconnectedCallback(){super.disconnectedCallback(),this[hy].removeEventListener("click",this[xy]),this[hy].removeEventListener("keydown",this[by]),this[Am].removeEventListener("progress",this[_y])}async updated(t){super.updated(t),t.has("poster")&&null!=this.poster&&(this[cy].style.backgroundImage=`url(${this.poster})`),t.has("alt")&&this[cy].setAttribute("aria-label",this[dm]),(t.has("reveal")||t.has("loading"))&&this[gm](),t.has("generateSchema")&&(!0===this.generateSchema?this[_m].updateSchema(this.src):this[_m].updateSchema(null)),t.has("seamlessPoster")&&(!0===this.seamlessPoster?this[hy].classList.add("quick"):this[hy].classList.remove("quick"))}[(e=py,n=gy,i=fy,s=uy,a=hy,o=cy,l=oy,h=ly,c=yy,u=my,d=xy,p=by,m=_y,Lm)](){return!!this.src&&(null!=this[uy]||"eager"===this.loading||this.reveal===sy&&this[hm])}[Pm](){const{src:t}=this;return!!t&&super[Pm]()&&1===this[fy]}[(f=vy,dy)](){this[uy]=null;const t=this[hy];if(t.classList.contains("show")){const e=this.modelIsVisible;this[py]=!0,this[cm](e),requestAnimationFrame((()=>{t.classList.remove("show"),!0===this.seamlessPoster?this[vy]():t.addEventListener("transitionend",this[vy],{once:!0})}))}else this[gy]=!0}[Cm](){return super[Cm]()&&this[py]}[Dm](){return super[Dm]()&&this[gy]}async[gm](){this[fy]=0,!0===this.generateSchema&&this[_m].updateSchema(this.src),null!=this[_m].currentGLTF&&null!=this.src&&this[Lm]()||this.showPoster(),this[mm]("Loading"),await super[gm]()}}return ry([r({type:String})],g.prototype,"poster",void 0),ry([r({type:String})],g.prototype,"reveal",void 0),ry([r({type:String})],g.prototype,"loading",void 0),ry([r({type:Boolean,attribute:"generate-schema"})],g.prototype,"generateSchema",void 0),ry([r({type:Boolean,attribute:"seamless-poster"})],g.prototype,"seamlessPoster",void 0),g})((t=>{var e;class n extends t{constructor(...t){super(t),this.autoplay=!1,this.animationName=void 0,this.animationCrossfadeDuration=300,this[e]=!0,this[_m].subscribeMixerEvent("loop",(t=>{const e=t.action._loopCount;this.dispatchEvent(new CustomEvent("loop",{detail:{count:e}}))})),this[_m].subscribeMixerEvent("finished",(()=>{this[km]=!0,this.dispatchEvent(new CustomEvent("finished"))}))}get availableAnimations(){return this.loaded?this[_m].animationNames:[]}get duration(){return this[_m].duration}get paused(){return this[km]}get currentTime(){return this[_m].animationTime}set currentTime(t){this[_m].animationTime=t,this[wm]()}get timeScale(){return this[_m].animationTimeScale}set timeScale(t){this[_m].animationTimeScale=t}pause(){this[km]||(this[km]=!0,this.dispatchEvent(new CustomEvent("pause")))}play(t){this.availableAnimations.length>0&&(this[km]=!1,this[Um](t),this.dispatchEvent(new CustomEvent("play")))}[(e=km,Sm)](){super[Sm](),this[km]=!0,this.autoplay&&this.play()}[Mm](t,e){super[Mm](t,e),this[km]||!this[Dm]()&&!this[Em].isPresenting||(this[_m].updateAnimation(e/1e3),this[wm]())}updated(t){super.updated(t),t.has("autoplay")&&this.autoplay&&this.play(),t.has("animationName")&&this[Um]()}async[gm](){return this[_m].stopAnimation(),super[gm]()}[Um](t=Bm){var e;const n=null!==(e=t.repetitions)&&void 0!==e?e:1/0,i=t.pingpong?Q:1===n?2200:2201;this[_m].playAnimation(this.animationName,this.animationCrossfadeDuration/1e3,i,n),this[km]&&(this[_m].updateAnimation(0),this[wm]())}}return Fm([r({type:Boolean})],n.prototype,"autoplay",void 0),Fm([r({type:String,attribute:"animation-name"})],n.prototype,"animationName",void 0),Fm([r({type:Number,attribute:"animation-crossfade-duration"})],n.prototype,"animationCrossfadeDuration",void 0),n})((t=>{var e;const n=Symbol("endPolyfillCoordination");return e=n,class extends t{constructor(){super(...arguments),this[e]=null}connectedCallback(){super.connectedCallback&&super.connectedCallback(),null==this[n]&&(this[n]=(t=>{if(null==t.shadowRoot||t.hasAttribute("data-js-focus-visible"))return()=>{};if(!self.applyFocusVisiblePolyfill){const e=()=>{self.applyFocusVisiblePolyfill(t.shadowRoot)};return self.addEventListener("focus-visible-polyfill-ready",e,{once:!0}),()=>{self.removeEventListener("focus-visible-polyfill-ready",e)}}return self.applyFocusVisiblePolyfill(t.shadowRoot),()=>{}})(this))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),null!=this[n]&&(this[n](),this[n]=null)}}})(Nm)))))))));customElements.define("model-viewer",Db)}}]);