universalviewer/dist/esm/Extension-37ESHOVP.js

The Universal Viewer is a community-developed open source project on a mission to help you share your 📚📜📰📽️📻🗿 with the 🌎

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Qe().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),ho={[ut]:{transfer:KA,primaries:$A,luminanceCoefficients:[.2126,.7152,.0722],toReference:s=>s,fromReference:s=>s},[yt]:{transfer:Et,primaries:$A,luminanceCoefficients:[.2126,.7152,.0722],toReference:s=>s.convertSRGBToLinear(),fromReference:s=>s.convertLinearToSRGB()},[ba]:{transfer:KA,primaries:el,luminanceCoefficients:[.2289,.6917,.0793],toReference:s=>s.applyMatrix3(Pg),fromReference:s=>s.applyMatrix3(Ug)},[Kl]:{transfer:Et,primaries:el,luminanceCoefficients:[.2289,.6917,.0793],toReference:s=>s.convertSRGBToLinear().applyMatrix3(Pg),fromReference:s=>s.applyMatrix3(Ug).convertLinearToSRGB()}},kI=new Set([ut,ba]),je={enabled:!0,_workingColorSpace:ut,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(s){if(!kI.has(s))throw new Error(`Unsupported working color space, "${s}".`);this._workingColorSpace=s},convert:function(s,e,t){if(this.enabled===!1||e===t||!e||!t)return s;let n=ho[e].toReference,i=ho[t].fromReference;return i(n(s))},fromWorkingColorSpace:function(s,e){return this.convert(s,this._workingColorSpace,e)},toWorkingColorSpace:function(s,e){return this.convert(s,e,this._workingColorSpace)},getPrimaries:function(s){return ho[s].primaries},getTransfer:function(s){return s===Dn?KA:ho[s].transfer},getLuminanceCoefficients:function(s,e=this._workingColorSpace){return s.fromArray(ho[e].luminanceCoefficients)}};function Or(s){return s<.04045?s*.0773993808:Math.pow(s*.9478672986+.0521327014,2.4)}function fc(s){return s<.0031308?s*12.92:1.055*Math.pow(s,.41666)-.055}var $s,qu=class{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{$s===void 0&&($s=aa("canvas")),$s.width=e.width,$s.height=e.height;let n=$s.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=$s}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}static sRGBToLinear(e){if(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){let t=aa("canvas");t.width=e.width,t.height=e.height;let n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);let i=n.getImageData(0,0,e.width,e.height),r=i.data;for(let o=0;o<r.length;o++)r[o]=Or(r[o]/255)*255;return n.putImageData(i,0,0),t}else if(e.data){let t=e.data.slice(0);for(let n=0;n<t.length;n++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[n]=Math.floor(Or(t[n]/255)*255):t[n]=Or(t[n]);return{data:t,width:e.width,height:e.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}},OI=0,Aa=class{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:OI++}),this.uuid=Vn(),this.data=e,this.dataReady=!0,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];let n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let r;if(Array.isArray(i)){r=[];for(let o=0,a=i.length;o<a;o++)i[o].isDataTexture?r.push(pc(i[o].image)):r.push(pc(i[o]))}else r=pc(i);n.url=r}return t||(e.images[this.uuid]=n),n}};function pc(s){return typeof HTMLImageElement<"u"&&s instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&s instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&s instanceof ImageBitmap?qu.getDataURL(s):s.data?{data:Array.from(s.data),width:s.width,height:s.height,type:s.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}var GI=0,dt=class s extends Sn{constructor(e=s.DEFAULT_IMAGE,t=s.DEFAULT_MAPPING,n=St,i=St,r=Je,o=pn,a=xt,A=wt,l=s.DEFAULT_ANISOTROPY,c=Dn){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:GI++}),this.uuid=Vn(),this.name="",this.source=new Aa(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=o,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=A,this.offset=new Ne(0,0),this.repeat=new Ne(1,1),this.center=new Ne(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Qe,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=c,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.pmremVersion=0}get image(){return this.source.data}set image(e=null){this.source.data=e}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(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.colorSpace=e.colorSpace,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){let t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,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,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==Yr)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case qn:e.x=e.x-Math.floor(e.x);break;case St:e.x=e.x<0?0:1;break;case Ns:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case qn:e.y=e.y-Math.floor(e.y);break;case St:e.y=e.y<0?0:1;break;case Ns:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(e){e===!0&&this.pmremVersion++}};dt.DEFAULT_IMAGE=null;dt.DEFAULT_MAPPING=Yr;dt.DEFAULT_ANISOTROPY=1;var tt=class s{constructor(e=0,t=0,n=0,i=1){s.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=i}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){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: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,r=this.w,o=e.elements;return this.x=o[0]*t+o[4]*n+o[8]*i+o[12]*r,this.y=o[1]*t+o[5]*n+o[9]*i+o[13]*r,this.z=o[2]*t+o[6]*n+o[10]*i+o[14]*r,this.w=o[3]*t+o[7]*n+o[11]*i+o[15]*r,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,i,r,A=e.elements,l=A[0],c=A[4],h=A[8],u=A[1],d=A[5],p=A[9],m=A[2],f=A[6],g=A[10];if(Math.abs(c-u)<.01&&Math.abs(h-m)<.01&&Math.abs(p-f)<.01){if(Math.abs(c+u)<.1&&Math.abs(h+m)<.1&&Math.abs(p+f)<.1&&Math.abs(l+d+g-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;let E=(l+1)/2,x=(d+1)/2,M=(g+1)/2,C=(c+u)/4,S=(h+m)/4,_=(p+f)/4;return E>x&&E>M?E<.01?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(E),i=C/n,r=S/n):x>M?x<.01?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(x),n=C/i,r=_/i):M<.01?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(M),n=S/r,i=_/r),this.set(n,i,r,t),this}let y=Math.sqrt((f-p)*(f-p)+(h-m)*(h-m)+(u-c)*(u-c));return Math.abs(y)<.001&&(y=1),this.x=(f-p)/y,this.y=(h-m)/y,this.z=(u-c)/y,this.w=Math.acos((l+d+g-1)/2),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this.w=t[15],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,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=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),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}},Yu=class extends Sn{constructor(e=1,t=1,n={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new tt(0,0,e,t),this.scissorTest=!1,this.viewport=new tt(0,0,e,t);let i={width:e,height:t,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Je,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},n);let r=new dt(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);r.flipY=!1,r.generateMipmaps=n.generateMipmaps,r.internalFormat=n.internalFormat,this.textures=[];let o=n.count;for(let a=0;a<o;a++)this.textures[a]=r.clone(),this.textures[a].isRenderTargetTexture=!0;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let i=0,r=this.textures.length;i<r;i++)this.textures[i].image.width=e,this.textures[i].image.height=t,this.textures[i].image.depth=n;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let n=0,i=e.textures.length;n<i;n++)this.textures[n]=e.textures[n].clone(),this.textures[n].isRenderTargetTexture=!0;let t=Object.assign({},e.texture.image);return this.texture.source=new Aa(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}},mn=class extends Yu{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}},il=class extends dt{constructor(e=null,t=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=Ut,this.minFilter=Ut,this.wrapR=St,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},sl=class extends dt{constructor(e=null,t=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=Ut,this.minFilter=Ut,this.wrapR=St,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Jt=class{constructor(e=0,t=0,n=0,i=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=i}static slerpFlat(e,t,n,i,r,o,a){let A=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3],u=r[o+0],d=r[o+1],p=r[o+2],m=r[o+3];if(a===0){e[t+0]=A,e[t+1]=l,e[t+2]=c,e[t+3]=h;return}if(a===1){e[t+0]=u,e[t+1]=d,e[t+2]=p,e[t+3]=m;return}if(h!==m||A!==u||l!==d||c!==p){let f=1-a,g=A*u+l*d+c*p+h*m,y=g>=0?1:-1,E=1-g*g;if(E>Number.EPSILON){let M=Math.sqrt(E),C=Math.atan2(M,g*y);f=Math.sin(f*C)/M,a=Math.sin(a*C)/M}let x=a*y;if(A=A*f+u*x,l=l*f+d*x,c=c*f+p*x,h=h*f+m*x,f===1-a){let M=1/Math.sqrt(A*A+l*l+c*c+h*h);A*=M,l*=M,c*=M,h*=M}}e[t]=A,e[t+1]=l,e[t+2]=c,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,r,o){let a=n[i],A=n[i+1],l=n[i+2],c=n[i+3],h=r[o],u=r[o+1],d=r[o+2],p=r[o+3];return e[t]=a*p+c*h+A*d-l*u,e[t+1]=A*p+c*u+l*h-a*d,e[t+2]=l*p+c*d+a*u-A*h,e[t+3]=c*p-a*h-A*u-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){let n=e._x,i=e._y,r=e._z,o=e._order,a=Math.cos,A=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=A(n/2),d=A(i/2),p=A(r/2);switch(o){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+o)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],i=t[4],r=t[8],o=t[1],a=t[5],A=t[9],l=t[2],c=t[6],h=t[10],u=n+a+h;if(u>0){let d=.5/Math.sqrt(u+1);this._w=.25/d,this._x=(c-A)*d,this._y=(r-l)*d,this._z=(o-i)*d}else if(n>a&&n>h){let d=2*Math.sqrt(1+n-a-h);this._w=(c-A)/d,this._x=.25*d,this._y=(i+o)/d,this._z=(r+l)/d}else if(a>h){let d=2*Math.sqrt(1+a-n-h);this._w=(r-l)/d,this._x=(i+o)/d,this._y=.25*d,this._z=(A+c)/d}else{let d=2*Math.sqrt(1+h-n-a);this._w=(o-i)/d,this._x=(r+l)/d,this._y=(A+c)/d,this._z=.25*d}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(kt(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let i=Math.min(1,t/n);return this.slerp(e,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(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._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 e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,i=e._y,r=e._z,o=e._w,a=t._x,A=t._y,l=t._z,c=t._w;return this._x=n*c+o*a+i*l-r*A,this._y=i*c+o*A+r*a-n*l,this._z=r*c+o*l+n*A-i*a,this._w=o*c-n*a-i*A-r*l,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);let n=this._x,i=this._y,r=this._z,o=this._w,a=o*e._w+n*e._x+i*e._y+r*e._z;if(a<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,a=-a):this.copy(e),a>=1)return this._w=o,this._x=n,this._y=i,this._z=r,this;let A=1-a*a;if(A<=Number.EPSILON){let d=1-t;return this._w=d*o+t*this._w,this._x=d*n+t*this._x,this._y=d*i+t*this._y,this._z=d*r+t*this._z,this.normalize(),this}let l=Math.sqrt(A),c=Math.atan2(l,a),h=Math.sin((1-t)*c)/l,u=Math.sin(t*c)/l;return this._w=o*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(e),i*Math.cos(e),r*Math.sin(t),r*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}},R=class s{constructor(e=0,t=0,n=0){s.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 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this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(Fg.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Fg.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,i=this.z,r=e.elements,o=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*o,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*o,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*o,this}applyQuaternion(e){let t=this.x,n=this.y,i=this.z,r=e.x,o=e.y,a=e.z,A=e.w,l=2*(o*i-a*n),c=2*(a*t-r*i),h=2*(r*n-o*t);return this.x=t+A*l+o*h-a*c,this.y=n+A*c+a*l-r*h,this.z=i+A*h+r*c-o*l,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,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=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.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(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,i=e.y,r=e.z,o=t.x,a=t.y,A=t.z;return this.x=i*A-r*a,this.y=r*o-n*A,this.z=n*a-i*o,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return gc.copy(this).projectOnVector(e),this.sub(gc)}reflect(e){return this.sub(gc.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(kt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=Math.random()*Math.PI*2,t=Math.random()*2-1,n=Math.sqrt(1-t*t);return this.x=n*Math.cos(e),this.y=t,this.z=n*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}},gc=new R,Fg=new Jt,Yt=class{constructor(e=new R(1/0,1/0,1/0),t=new R(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t+=3)this.expandByPoint(Qn.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(Qn.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=Qn.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.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(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);let n=e.geometry;if(n!==void 0){let r=n.getAttribute("position");if(t===!0&&r!==void 0&&e.isInstancedMesh!==!0)for(let o=0,a=r.count;o<a;o++)e.isMesh===!0?e.getVertexPosition(o,Qn):Qn.fromBufferAttribute(r,o),Qn.applyMatrix4(e.matrixWorld),this.expandByPoint(Qn);else e.boundingBox!==void 0?(e.boundingBox===null&&e.computeBoundingBox(),Ta.copy(e.boundingBox)):(n.boundingBox===null&&n.computeBoundingBox(),Ta.copy(n.boundingBox)),Ta.applyMatrix4(e.matrixWorld),this.union(Ta)}let i=e.children;for(let r=0,o=i.length;r<o;r++)this.expandByObject(i[r],t);return this}containsPoint(e){return e.x>=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,Qn),Qn.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(uo),Da.subVectors(this.max,uo),er.subVectors(e.a,uo),tr.subVectors(e.b,uo),nr.subVectors(e.c,uo),Pi.subVectors(tr,er),Fi.subVectors(nr,tr),cs.subVectors(er,nr);let t=[0,-Pi.z,Pi.y,0,-Fi.z,Fi.y,0,-cs.z,cs.y,Pi.z,0,-Pi.x,Fi.z,0,-Fi.x,cs.z,0,-cs.x,-Pi.y,Pi.x,0,-Fi.y,Fi.x,0,-cs.y,cs.x,0];return!mc(t,er,tr,nr,Da)||(t=[1,0,0,0,1,0,0,0,1],!mc(t,er,tr,nr,Da))?!1:(La.crossVectors(Pi,Fi),t=[La.x,La.y,La.z],mc(t,er,tr,nr,Da))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Qn).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Qn).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(ai[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),ai[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),ai[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),ai[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),ai[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),ai[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),ai[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),ai[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(ai),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}},ai=[new R,new R,new R,new R,new R,new R,new R,new R],Qn=new R,Ta=new Yt,er=new R,tr=new R,nr=new R,Pi=new R,Fi=new R,cs=new R,uo=new R,Da=new R,La=new R,hs=new R;function mc(s,e,t,n,i){for(let r=0,o=s.length-3;r<=o;r+=3){hs.fromArray(s,r);let a=i.x*Math.abs(hs.x)+i.y*Math.abs(hs.y)+i.z*Math.abs(hs.z),A=e.dot(hs),l=t.dot(hs),c=n.dot(hs);if(Math.max(-Math.max(A,l,c),Math.min(A,l,c))>a)return!1}return!0}var HI=new Yt,fo=new R,vc=new R,vn=class{constructor(e=new R,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t!==void 0?n.copy(t):HI.setFromPoints(e).getCenter(n);let i=0;for(let r=0,o=e.length;r<o;r++)i=Math.max(i,n.distanceToSquared(e[r]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;fo.subVectors(e,this.center);let t=fo.lengthSq();if(t>this.radius*this.radius){let n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.addScaledVector(fo,i/n),this.radius+=i}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(vc.subV