vue-threejs-display/vue3/vue-threejs-display.cjs.js

基于 Vue + Three.js 的 3D展示组件

"use strict";Object.defineProperties(exports,{__esModule:{value:!0},[Symbol.toStringTag]:{value:"Module"}});var It=require("vue");/**
 * @license
 * Copyright 2010-2022 Three.js Authors
 * SPDX-License-Identifier: MIT
 */const 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this.convert(a,e,this.workingColorSpace)}},hp={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},Kt={r:0,g:0,b:0},Gn={h:0,s:0,l:0},na={h:0,s:0,l:0};function Gc(a,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?a+(e-a)*6*t:t<1/2?e:t<2/3?a+(e-a)*6*(2/3-t):a}function ia(a,e){return e.r=a.r,e.g=a.g,e.b=a.b,e}class be{constructor(e,t,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,t===void 0&&n===void 0?this.set(e):this.setRGB(e,t,n)}set(e){return e&&e.isColor?this.copy(e):typeof e=="number"?this.setHex(e):typeof e=="string"&&this.setStyle(e),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Zn){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,Rn.toWorkingColorSpace(this,t),this}setRGB(e,t,n,i=Vi){return this.r=e,this.g=t,this.b=n,Rn.toWorkingColorSpace(this,i),this}setHSL(e,t,n,i=Vi){if(e=Lu(e,1),t=Gt(t,0,1),n=Gt(n,0,1),t===0)this.r=this.g=this.b=n;else{const s=n<=.5?n*(1+t):n+t-n*t,r=2*n-s;this.r=Gc(r,s,e+1/3),this.g=Gc(r,s,e),this.b=Gc(r,s,e-1/3)}return Rn.toWorkingColorSpace(this,i),this}setStyle(e,t=Zn){function n(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let i;if(i=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(e)){let s;const r=i[1],o=i[2];switch(r){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return this.r=Math.min(255,parseInt(s[1],10))/255,this.g=Math.min(255,parseInt(s[2],10))/255,this.b=Math.min(255,parseInt(s[3],10))/255,Rn.toWorkingColorSpace(this,t),n(s[4]),this;if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return this.r=Math.min(100,parseInt(s[1],10))/100,this.g=Math.min(100,parseInt(s[2],10))/100,this.b=Math.min(100,parseInt(s[3],10))/100,Rn.toWorkingColorSpace(this,t),n(s[4]),this;break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o)){const c=parseFloat(s[1])/360,l=parseInt(s[2],10)/100,u=parseInt(s[3],10)/100;return n(s[4]),this.setHSL(c,l,u,t)}break}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(e)){const s=i[1],r=s.length;if(r===3)return this.r=parseInt(s.charAt(0)+s.charAt(0),16)/255,this.g=parseInt(s.charAt(1)+s.charAt(1),16)/255,this.b=parseInt(s.charAt(2)+s.charAt(2),16)/255,Rn.toWorkingColorSpace(this,t),this;if(r===6)return this.r=parseInt(s.charAt(0)+s.charAt(1),16)/255,this.g=parseInt(s.charAt(2)+s.charAt(3),16)/255,this.b=parseInt(s.charAt(4)+s.charAt(5),16)/255,Rn.toWorkingColorSpace(this,t),this}return e&&e.length>0?this.setColorName(e,t):this}setColorName(e,t=Zn){const n=hp[e.toLowerCase()];return n!==void 0?this.setHex(n,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=Ts(e.r),this.g=Ts(e.g),this.b=Ts(e.b),this}copyLinearToSRGB(e){return this.r=Ka(e.r),this.g=Ka(e.g),this.b=Ka(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Zn){return Rn.fromWorkingColorSpace(ia(this,Kt),e),Gt(Kt.r*255,0,255)<<16^Gt(Kt.g*255,0,255)<<8^Gt(Kt.b*255,0,255)<<0}getHexString(e=Zn){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=Vi){Rn.fromWorkingColorSpace(ia(this,Kt),t);const n=Kt.r,i=Kt.g,s=Kt.b,r=Math.max(n,i,s),o=Math.min(n,i,s);let c,l;const u=(o+r)/2;if(o===r)c=0,l=0;else{const h=r-o;switch(l=u<=.5?h/(r+o):h/(2-r-o),r){case n:c=(i-s)/h+(i<s?6:0);break;case i:c=(s-n)/h+2;break;case s:c=(n-i)/h+4;break}c/=6}return e.h=c,e.s=l,e.l=u,e}getRGB(e,t=Vi){return Rn.fromWorkingColorSpace(ia(this,Kt),t),e.r=Kt.r,e.g=Kt.g,e.b=Kt.b,e}getStyle(e=Zn){return Rn.fromWorkingColorSpace(ia(this,Kt),e),e!==Zn?`color(${e} ${Kt.r} ${Kt.g} ${Kt.b})`:`rgb(${Kt.r*255|0},${Kt.g*255|0},${Kt.b*255|0})`}offsetHSL(e,t,n){return this.getHSL(Gn),Gn.h+=e,Gn.s+=t,Gn.l+=n,this.setHSL(Gn.h,Gn.s,Gn.l),this}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(Gn),e.getHSL(na);const n=mo(Gn.h,na.h,t),i=mo(Gn.s,na.s,t),s=mo(Gn.l,na.l,t);return this.setHSL(n,i,s),this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),e.normalized===!0&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}be.NAMES=hp;let Xs;class Ru{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement=="undefined")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{Xs===void 0&&(Xs=Ao("canvas")),Xs.width=e.width,Xs.height=e.height;const n=Xs.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=Xs}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!="undefined"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&e instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap){const t=Ao("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const i=n.getImageData(0,0,e.width,e.height),s=i.data;for(let r=0;r<s.length;r++)s[r]=Ts(s[r]/255)*255;return n.putImageData(i,0,0),t}else if(e.data){const t=e.data.slice(0);for(let n=0;n<t.length;n++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[n]=Math.floor(Ts(t[n]/255)*255):t[n]=Ts(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}}class _s{constructor(e=null){this.isSource=!0,this.uuid=An(),this.data=e,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let s;if(Array.isArray(i)){s=[];for(let r=0,o=i.length;r<o;r++)i[r].isDataTexture?s.push(Vc(i[r].image)):s.push(Vc(i[r]))}else s=Vc(i);n.url=s}return t||(e.images[this.uuid]=n),n}}function Vc(a){return typeof HTMLImageElement!="undefined"&&a instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&a instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&a instanceof ImageBitmap?Ru.getDataURL(a):a.data?{data:Array.from(a.data),width:a.width,height:a.height,type:a.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let jg=0;class Ct extends ri{constructor(e=Ct.DEFAULT_IMAGE,t=Ct.DEFAULT_MAPPING,n=Yt,i=Yt,s=Pt,r=si,o=Tn,c=Yi,l=1,u=bi){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:jg++}),this.uuid=An(),this.name="",this.source=new _s(e),this.mipmaps=[],this.mapping=t,this.wrapS=n,this.wrapT=i,this.magFilter=s,this.minFilter=r,this.anisotropy=l,this.format=o,this.internalFormat=null,this.type=c,this.offset=new de(0,0),this.repeat=new de(1,1),this.center=new de(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new fn,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=u,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(e){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.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.encoding=e.encoding,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).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),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==gc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case hn:e.x=e.x-Math.floor(e.x);break;case Yt:e.x=e.x<0?0:1;break;case _r: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 hn:e.y=e.y-Math.floor(e.y);break;case Yt:e.y=e.y<0?0:1;break;case _r: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)}}Ct.DEFAULT_IMAGE=null;Ct.DEFAULT_MAPPING=gc;class pt{constructor(e=0,t=0,n=0,i=1){pt.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){const t=this.x,n=this.y,i=this.z,s=this.w,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i+r[12]*s,this.y=r[1]*t+r[5]*n+r[9]*i+r[13]*s,this.z=r[2]*t+r[6]*n+r[10]*i+r[14]*s,this.w=r[3]*t+r[7]*n+r[11]*i+r[15]*s,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const 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,s;const c=e.elements,l=c[0],u=c[4],h=c[8],f=c[1],d=c[5],p=c[9],m=c[2],g=c[6],x=c[10];if(Math.abs(u-f)<.01&&Math.abs(h-m)<.01&&Math.abs(p-g)<.01){if(Math.abs(u+f)<.1&&Math.abs(h+m)<.1&&Math.abs(p+g)<.1&&Math.abs(l+d+x-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const b=(l+1)/2,v=(d+1)/2,M=(x+1)/2,A=(u+f)/4,L=(h+m)/4,_=(p+g)/4;return b>v&&b>M?b<.01?(n=0,i=.707106781,s=.707106781):(n=Math.sqrt(b),i=A/n,s=L/n):v>M?v<.01?(n=.707106781,i=0,s=.707106781):(i=Math.sqrt(v),n=A/i,s=_/i):M<.01?(n=.707106781,i=.707106781,s=0):(s=Math.sqrt(M),n=L/s,i=_/s),this.set(n,i,s,t),this}let y=Math.sqrt((g-p)*(g-p)+(h-m)*(h-m)+(f-u)*(f-u));return Math.abs(y)<.001&&(y=1),this.x=(g-p)/y,this.y=(h-m)/y,this.z=(f-u)/y,this.w=Math.acos((l+d+x-1)/2),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){const 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=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(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}}class Bn extends ri{constructor(e,t,n={}){super(),this.isWebGLRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new pt(0,0,e,t),this.scissorTest=!1,this.viewport=new pt(0,0,e,t);const i={width:e,height:t,depth:1};this.texture=new Ct(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=n.generateMipmaps!==void 0?n.generateMipmaps:!1,this.texture.internalFormat=n.internalFormat!==void 0?n.internalFormat:null,this.texture.minFilter=n.minFilter!==void 0?n.minFilter:Pt,this.depthBuffer=n.depthBuffer!==void 0?n.depthBuffer:!0,this.stencilBuffer=n.stencilBuffer!==void 0?n.stencilBuffer:!1,this.depthTexture=n.depthTexture!==void 0?n.depthTexture:null,this.samples=n.samples!==void 0?n.samples:0}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.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.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new _s(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Bo extends Ct{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=Yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Yg extends Bn{constructor(e,t,n){super(e,t),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new Bo(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class vc extends Ct{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=Yt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Zg extends Bn{constructor(e,t,n){super(e,t),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new vc(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class Kg extends Bn{constructor(e,t,n,i={}){super(e,t,i),this.isWebGLMultipleRenderTargets=!0;const s=this.texture;this.texture=[];for(let r=0;r<n;r++)this.texture[r]=s.clone(),this.texture[r].isRenderTargetTexture=!0}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,s=this.texture.length;i<s;i++)this.texture[i].image.width=e,this.texture[i].image.height=t,this.texture[i].image.depth=n;this.dispose()}return this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t),this}copy(e){this.dispose(),this.width=e.width,this.height=e.height,this.depth=e.depth,this.viewport.set(0,0,this.width,this.height),this.scissor.set(0,0,this.width,this.height),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.texture.length=0;for(let t=0,n=e.texture.length;t<n;t++)this.texture[t]=e.texture[t].clone(),this.texture[t].isRenderTargetTexture=!0;return this}}class kt{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,s,r,o){let c=n[i+0],l=n[i+1],u=n[i+2],h=n[i+3];const f=s[r+0],d=s[r+1],p=s[r+2],m=s[r+3];if(o===0){e[t+0]=c,e[t+1]=l,e[t+2]=u,e[t+3]=h;return}if(o===1){e[t+0]=f,e[t+1]=d,e[t+2]=p,e[t+3]=m;return}if(h!==m||c!==f||l!==d||u!==p){let g=1-o;const x=c*f+l*d+u*p+h*m,y=x>=0?1:-1,b=1-x*x;if(b>Number.EPSILON){const M=Math.sqrt(b),A=Math.atan2(M,x*y);g=Math.sin(g*A)/M,o=Math.sin(o*A)/M}const v=o*y;if(c=c*g+f*v,l=l*g+d*v,u=u*g+p*v,h=h*g+m*v,g===1-o){const M=1/Math.sqrt(c*c+l*l+u*u+h*h);c*=M,l*=M,u*=M,h*=M}}e[t]=c,e[t+1]=l,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,s,r){const o=n[i],c=n[i+1],l=n[i+2],u=n[i+3],h=s[r],f=s[r+1],d=s[r+2],p=s[r+3];return e[t]=o*p+u*h+c*d-l*f,e[t+1]=c*p+u*f+l*h-o*d,e[t+2]=l*p+u*d+o*f-c*h,e[t+3]=u*p-o*h-c*f-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){if(!(e&&e.isEuler))throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=e._x,i=e._y,s=e._z,r=e._order,o=Math.cos,c=Math.sin,l=o(n/2),u=o(i/2),h=o(s/2),f=c(n/2),d=c(i/2),p=c(s/2);switch(r){case"XYZ":this._x=f*u*h+l*d*p,this._y=l*d*h-f*u*p,this._z=l*u*p+f*d*h,this._w=l*u*h-f*d*p;break;case"YXZ":this._x=f*u*h+l*d*p,this._y=l*d*h-f*u*p,this._z=l*u*p-f*d*h,this._w=l*u*h+f*d*p;break;case"ZXY":this._x=f*u*h-l*d*p,this._y=l*d*h+f*u*p,this._z=l*u*p+f*d*h,this._w=l*u*h-f*d*p;break;case"ZYX":this._x=f*u*h-l*d*p,this._y=l*d*h+f*u*p,this._z=l*u*p-f*d*h,this._w=l*u*h+f*d*p;break;case"YZX":this._x=f*u*h+l*d*p,this._y=l*d*h+f*u*p,this._z=l*u*p-f*d*h,this._w=l*u*h-f*d*p;break;case"XZY":this._x=f*u*h-l*d*p,this._y=l*d*h-f*u*p,this._z=l*u*p+f*d*h,this._w=l*u*h+f*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+r)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const 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){const t=e.elements,n=t[0],i=t[4],s=t[8],r=t[1],o=t[5],c=t[9],l=t[2],u=t[6],h=t[10],f=n+o+h;if(f>0){const d=.5/Math.sqrt(f+1);this._w=.25/d,this._x=(u-c)*d,this._y=(s-l)*d,this._z=(r-i)*d}else if(n>o&&n>h){const d=2*Math.sqrt(1+n-o-h);this._w=(u-c)/d,this._x=.25*d,this._y=(i+r)/d,this._z=(s+l)/d}else if(o>h){const d=2*Math.sqrt(1+o-n-h);this._w=(s-l)/d,this._x=(i+r)/d,this._y=.25*d,this._z=(c+u)/d}else{const d=2*Math.sqrt(1+h-n-o);this._w=(r-i)/d,this._x=(s+l)/d,this._y=(c+u)/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(Gt(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(n===0)return this;const 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){const n=e._x,i=e._y,s=e._z,r=e._w,o=t._x,c=t._y,l=t._z,u=t._w;return this._x=n*u+r*o+i*l-s*c,this._y=i*u+r*c+s*o-n*l,this._z=s*u+r*l+n*c-i*o,this._w=r*u-n*o-i*c-s*l,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const n=this._x,i=this._y,s=this._z,r=this._w;let o=r*e._w+n*e._x+i*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=r,this._x=n,this._y=i,this._z=s,this;const c=1-o*o;if(c<=Number.EPSILON){const d=1-t;return this._w=d*r+t*this._w,this._x=d*n+t*this._x,this._y=d*i+t*this._y,this._z=d*s+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(c),u=Math.atan2(l,o),h=Math.sin((1-t)*u)/l,f=Math.sin(t*u)/l;return this._w=r*h+this._w*f,this._x=n*h+this._x*f,this._y=i*h+this._y*f,this._z=s*h+this._z*f,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}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}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class P{constructor(e=0,t=0,n=0){P.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 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=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;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=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}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=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}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(bh.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(bh.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*i,this.y=s[1]*t+s[4]*n+s[7]*i,this.z=s[2]*t+s[5]*n+s[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,s=e.elements,r=1/(s[3]*t+s[7]*n+s[11]*i+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*i+s[12])*r,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*r,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*r,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,s=e.x,r=e.y,o=e.z,c=e.w,l=c*t+r*i-o*n,u=c*n+o*t-s*i,h=c*i+s*n-r*t,f=-s*t-r*n-o*i;return this.x=l*c+f*-s+u*-o-h*-r,this.y=u*c+f*-r+h*-s-l*-o,this.z=h*c+f*-o+l*-r-u*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[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){const 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=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(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){const n=e.x,i=e.y,s=e.z,r=t.x,o=t.y,c=t.z;return this.x=i*c-s*o,this.y=s*r-n*c,this.z=n*o-i*r,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Hc.copy(this).projectOnVector(e),this.sub(Hc)}reflect(e){return this.sub(Hc.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(Gt(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const 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){const 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){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const 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}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(){const e=(Math.random()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Hc=new P,bh=new kt;class Ei{constructor(e=new P(1/0,1/0,1/0),t=new P(-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){let t=1/0,n=1/0,i=1/0,s=-1/0,r=-1/0,o=-1/0;for(let c=0,l=e.length;c<l;c+=3){const u=e[c],h=e[c+1],f=e[c+2];u<t&&(t=u),h<n&&(n=h),f<i&&(i=f),u>s&&(s=u),h>r&&(r=h),f>o&&(o=f)}return this.min.set(t,n,i),this.max.set(s,r,o),this}setFromBufferAttribute(e){let t=1/0,n=1/0,i=1/0,s=-1/0,r=-1/0,o=-1/0;for(let c=0,l=e.count;c<l;c++){const u=e.getX(c),h=e.getY(c),f=e.getZ(c);u<t&&(t=u),h<n&&(n=h),f<i&&(i=f),u>s&&(s=u),h>r&&(r=h),f>o&&(o=f)}return this.min.set(t,n,i),this.max.set(s,r,o),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=ss.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);const n=e.geometry;if(n!==void 0)if(t&&n.attributes!=nul