potree-loader/dist/potree-loader.umd.js

WebGL point cloud viewer

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 * @license
 * Copyright 2010-2022 Three.js Authors
 * SPDX-License-Identifier: MIT
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this.r*255<<16^this.g*255<<8^this.b*255<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(t){const e=this.r,n=this.g,i=this.b,r=Math.max(e,n,i),a=Math.min(e,n,i);let o,l;const c=(a+r)/2;if(a===r)o=0,l=0;else{const d=r-a;switch(l=c<=.5?d/(r+a):d/(2-r-a),r){case e:o=(n-i)/d+(n<i?6:0);break;case n:o=(i-e)/d+2;break;case i:o=(e-n)/d+4;break}o/=6}return t.h=o,t.s=l,t.l=c,t}getStyle(){return"rgb("+(this.r*255|0)+","+(this.g*255|0)+","+(this.b*255|0)+")"}offsetHSL(t,e,n){return this.getHSL(Be),Be.h+=t,Be.s+=e,Be.l+=n,this.setHSL(Be.h,Be.s,Be.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(Be),t.getHSL(Di);const n=Cs(Be.h,Di.h,e),i=Cs(Be.s,Di.s,e),r=Cs(Be.l,Di.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),t.normalized===!0&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}D.NAMES=oa,D.prototype.isColor=!0,D.prototype.r=1,D.prototype.g=1,D.prototype.b=1;let In;class xn{static getDataURL(t){if(/^data:/i.test(t.src)||typeof HTMLCanvasElement=="undefined")return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{In===void 0&&(In=hi("canvas")),In.width=t.width,In.height=t.height;const n=In.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=In}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(typeof HTMLImageElement!="undefined"&&t instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&t instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&t instanceof ImageBitmap){const e=hi("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 a=0;a<r.length;a++)r[a]=Sn(r[a]/255)*255;return n.putImageData(i,0,0),e}else if(t.data){const e=t.data.slice(0);for(let n=0;n<e.length;n++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[n]=Math.floor(Sn(e[n]/255)*255):e[n]=Sn(e[n]);return{data:e,width:t.width,height:t.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}class la{constructor(t=null){this.uuid=Te(),this.data=t,this.version=0}set needsUpdate(t){t===!0&&this.version++}toJSON(t){const e=t===void 0||typeof t=="string";if(!e&&t.images[this.uuid]!==void 0)return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let r;if(Array.isArray(i)){r=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?r.push(Ts(i[a].image)):r.push(Ts(i[a]))}else r=Ts(i);n.url=r}return e||(t.images[this.uuid]=n),n}}function Ts(s){return typeof HTMLImageElement!="undefined"&&s instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&s instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&s instanceof ImageBitmap?xn.getDataURL(s):s.data?{data:Array.prototype.slice.call(s.data),width:s.width,height:s.height,type:s.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}la.prototype.isSource=!0;let wl=0;class se extends Oe{constructor(t=se.DEFAULT_IMAGE,e=se.DEFAULT_MAPPING,n=1001,i=1001,r=1006,a=1008,o=1023,l=1009,c=1,d=3e3){super();Object.defineProperty(this,"id",{value:wl++}),this.uuid=Te(),this.name="",this.source=new la(t),this.mipmaps=[],this.mapping=e,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new q(0,0),this.repeat=new q(1,1),this.center=new q(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new fe,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=d,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=t===void 0||typeof t=="string";if(!e&&t.textures[this.uuid]!==void 0)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(this.mapping!==300)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case 1e3:t.x=t.x-Math.floor(t.x);break;case 1001:t.x=t.x<0?0:1;break;case 1002:Math.abs(Math.floor(t.x)%2)===1?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x);break}if(t.y<0||t.y>1)switch(this.wrapT){case 1e3:t.y=t.y-Math.floor(t.y);break;case 1001:t.y=t.y<0?0:1;break;case 1002:Math.abs(Math.floor(t.y)%2)===1?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y);break}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){t===!0&&(this.version++,this.source.needsUpdate=!0)}}se.DEFAULT_IMAGE=null,se.DEFAULT_MAPPING=300,se.prototype.isTexture=!0;class Mt{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=t.w!==void 0?t.w:1,this}add(t,e){return e!==void 0?(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 e!==void 0?(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,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*e+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*e+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*e+a[7]*n+a[11]*i+a[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 l=t.elements,c=l[0],d=l[4],h=l[8],u=l[1],m=l[5],b=l[9],g=l[2],Z=l[6],f=l[10];if(Math.abs(d-u)<.01&&Math.abs(h-g)<.01&&Math.abs(b-Z)<.01){if(Math.abs(d+u)<.1&&Math.abs(h+g)<.1&&Math.abs(b+Z)<.1&&Math.abs(c+m+f-3)<.1)return this.set(1,0,0,0),this;e=Math.PI;const Y=(c+1)/2,y=(m+1)/2,x=(f+1)/2,M=(d+u)/4,N=(h+g)/4,Q=(b+Z)/4;return Y>y&&Y>x?Y<.01?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(Y),i=M/n,r=N/n):y>x?y<.01?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(y),n=M/i,r=Q/i):x<.01?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(x),n=N/r,i=Q/r),this.set(n,i,r,e),this}let p=Math.sqrt((Z-b)*(Z-b)+(h-g)*(h-g)+(u-d)*(u-d));return Math.abs(p)<.001&&(p=1),this.x=(Z-b)/p,this.y=(h-g)/p,this.z=(u-d)/p,this.w=Math.acos((c+m+f-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 n!==void 0&&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}}Mt.prototype.isVector4=!0;class ye extends Oe{constructor(t,e,n={}){super();this.width=t,this.height=e,this.depth=1,this.scissor=new Mt(0,0,t,e),this.scissorTest=!1,this.viewport=new Mt(0,0,t,e);const i={width:t,height:e,depth:1};this.texture=new se(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.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:1006,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(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.image=Object.assign({},t.texture.image),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,t.depthTexture!==null&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}ye.prototype.isWebGLRenderTarget=!0;class zi extends se{constructor(t=null,e=1,n=1,i=1){super(null);this.image={data:t,width:e,height:n,depth:i},this.magFilter=1003,this.minFilter=1003,this.wrapR=1001,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}zi.prototype.isDataArrayTexture=!0;class Ml extends ye{constructor(t,e,n){super(t,e);this.depth=n,this.texture=new zi(null,t,e,n),this.texture.isRenderTargetTexture=!0}}Ml.prototype.isWebGLArrayRenderTarget=!0;class Ds extends se{constructor(t=null,e=1,n=1,i=1){super(null);this.image={data:t,width:e,height:n,depth:i},this.magFilter=1003,this.minFilter=1003,this.wrapR=1001,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}Ds.prototype.isData3DTexture=!0;class Nl extends ye{constructor(t,e,n){super(t,e);this.depth=n,this.texture=new Ds(null,t,e,n),this.texture.isRenderTargetTexture=!0}}Nl.prototype.isWebGL3DRenderTarget=!0;class Fl extends ye{constructor(t,e,n,i={}){super(t,e,i);const r=this.texture;this.texture=[];for(let a=0;a<n;a++)this.texture[a]=r.clone(),this.texture[a].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}}Fl.prototype.isWebGLMultipleRenderTargets=!0;class ve{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,a,o){let l=n[i+0],c=n[i+1],d=n[i+2],h=n[i+3];const u=r[a+0],m=r[a+1],b=r[a+2],g=r[a+3];if(o===0){t[e+0]=l,t[e+1]=c,t[e+2]=d,t[e+3]=h;return}if(o===1){t[e+0]=u,t[e+1]=m,t[e+2]=b,t[e+3]=g;return}if(h!==g||l!==u||c!==m||d!==b){let Z=1-o;const f=l*u+c*m+d*b+h*g,p=f>=0?1:-1,Y=1-f*f;if(Y>Number.EPSILON){const x=Math.sqrt(Y),M=Math.atan2(x,f*p);Z=Math.sin(Z*M)/x,o=Math.sin(o*M)/x}const y=o*p;if(l=l*Z+u*y,c=c*Z+m*y,d=d*Z+b*y,h=h*Z+g*y,Z===1-o){const x=1/Math.sqrt(l*l+c*c+d*d+h*h);l*=x,c*=x,d*=x,h*=x}}t[e]=l,t[e+1]=c,t[e+2]=d,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,a){const o=n[i],l=n[i+1],c=n[i+2],d=n[i+3],h=r[a],u=r[a+1],m=r[a+2],b=r[a+3];return t[e]=o*b+d*h+l*m-c*u,t[e+1]=l*b+d*u+c*h-o*m,t[e+2]=c*b+d*m+o*u-l*h,t[e+3]=d*b-o*h-l*u-c*m,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,a=t._order,o=Math.cos,l=Math.sin,c=o(n/2),d=o(i/2),h=o(r/2),u=l(n/2),m=l(i/2),b=l(r/2);switch(a){case"XYZ":this._x=u*d*h+c*m*b,this._y=c*m*h-u*d*b,this._z=c*d*b+u*m*h,this._w=c*d*h-u*m*b;break;case"YXZ":this._x=u*d*h+c*m*b,this._y=c*m*h-u*d*b,this._z=c*d*b-u*m*h,this._w=c*d*h+u*m*b;break;case"ZXY":this._x=u*d*h-c*m*b,this._y=c*m*h+u*d*b,this._z=c*d*b+u*m*h,this._w=c*d*h-u*m*b;break;case"ZYX":this._x=u*d*h-c*m*b,this._y=c*m*h+u*d*b,this._z=c*d*b-u*m*h,this._w=c*d*h+u*m*b;break;case"YZX":this._x=u*d*h+c*m*b,this._y=c*m*h+u*d*b,this._z=c*d*b-u*m*h,this._w=c*d*h-u*m*b;break;case"XZY":this._x=u*d*h-c*m*b,this._y=c*m*h-u*d*b,this._z=c*d*b+u*m*h,this._w=c*d*h+u*m*b;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return e!==!1&&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],a=e[1],o=e[5],l=e[9],c=e[2],d=e[6],h=e[10],u=n+o+h;if(u>0){const m=.5/Math.sqrt(u+1);this._w=.25/m,this._x=(d-l)*m,this._y=(r-c)*m,this._z=(a-i)*m}else if(n>o&&n>h){const m=2*Math.sqrt(1+n-o-h);this._w=(d-l)/m,this._x=.25*m,this._y=(i+a)/m,this._z=(r+c)/m}else if(o>h){const m=2*Math.sqrt(1+o-n-h);this._w=(r-c)/m,this._x=(i+a)/m,this._y=.25*m,this._z=(l+d)/m}else{const m=2*Math.sqrt(1+h-n-o);this._w=(a-i)/m,this._x=(r+c)/m,this._y=(l+d)/m,this._z=.25*m}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(we(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(n===0)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 t===0?(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 e!==void 0?(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,a=t._w,o=e._x,l=e._y,c=e._z,d=e._w;return this._x=n*d+a*o+i*c-r*l,this._y=i*d+a*l+r*o-n*c,this._z=r*d+a*c+n*l-i*o,this._w=a*d-n*o-i*l-r*c,this._onChangeCallback(),this}slerp(t,e){if(e===0)return this;if(e===1)return this.copy(t);const n=this._x,i=this._y,r=this._z,a=this._w;let o=a*t._w+n*t._x+i*t._y+r*t._z;if(o<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,o=-o):this.copy(t),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;const l=1-o*o;if(l<=Number.EPSILON){const m=1-e;return this._w=m*a+e*this._w,this._x=m*n+e*this._x,this._y=m*i+e*this._y,this._z=m*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const c=Math.sqrt(l),d=Math.atan2(c,o),h=Math.sin((1-e)*d)/c,u=Math.sin(e*d)/c;return this._w=a*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(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(){}}ve.prototype.isQuaternion=!0;class R{constructor(t=0,e=0,n=0){this.x=t,this.y=e,this.z=n}set(t,e,n){return n===void 0&&(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 e!==void 0?(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 e!==void 0?(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 e!==void 0?(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(ca.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(ca.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,a=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])*a,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,a=t.y,o=t.z,l=t.w,c=l*e+a*i-o*n,d=l*n+o*e-r*i,h=l*i+r*n-a*e,u=-r*e-a*n-o*i;return this.x=c*l+u*-r+d*-o-h*-a,this.y=d*l+u*-a+h*-r-c*-o,this.z=h*l+u*-o+c*-a-d*-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 e!==void 0?(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,a=e.x,o=e.y,l=e.z;return this.x=i*l-r*o,this.y=r*a-n*l,this.z=n*o-i*a,this}projectOnVector(t){const e=t.lengthSq();if(e===0)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return zs.copy(this).projectOnVector(t),this.sub(zs)}reflect(t){return this.sub(zs.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(e===0)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(we(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,e*4)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,e*3)}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 n!==void 0&&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=(Math.random()-.5)*2,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}}R.prototype.isVector3=!0;const zs=new R,ca=new ve;class ae{constructor(t=new R(1/0,1/0,1/0),e=new R(-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,a=-1/0,o=-1/0;for(let l=0,c=t.length;l<c;l+=3){const d=t[l],h=t[l+1],u=t[l+2];d<e&&(e=d),h<n&&(n=h),u<i&&(i=u),d>r&&(r=d),h>a&&(a=h),u>o&&(o=u)}return this.min.set(e,n,i),this.max.set(r,a,o),this}setFromBufferAttribute(t){let e=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0;for(let l=0,c=t.count;l<c;l++){const d=t.getX(l),h=t.getY(l),u=t.getZ(l);d<e&&(e=d),h<n&&(n=h),u<i&&(i=u),d>r&&(r=d),h>a&&(a=h),u>o&&(o=u)}return this.min.set(e,n,i),this.max.set(r,a,o),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=Vn.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(n!==void 0)if(e&&n.attributes!=null&&n.attributes.position!==void 0){const r=n.attributes.position;for(let a=0,o=r.count;a<o;a++)Vn.fromBufferAttribute(r,a).applyMatrix4(t.matrixWorld),this.expandByPoint(Vn)}else n.boundingBox===null&&n.computeBoundingBox(),Es.copy(n.boundingBox),Es.applyMatrix4(t.matrixWorld),this.union(Es);const i=t.children;for(let r=0,a=i.length;r<a;r++)this.expandByObject(i[r],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,Vn),Vn.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(ui),Ei.subVectors(this.max,ui),Bn.subVectors(t.a,ui),Cn.subVectors(t.b,ui),An.subVectors(t.c,ui),rn.subVectors(Cn,Bn),an.subVectors(An,Cn),vn.subVectors(Bn,An);let e=[0,-rn.z,rn.y,0,-an.z,an.y,0,-vn.z,vn.y,rn.z,0,-rn.x,an.z,0,-an.x,vn.z,0,-vn.x,-rn.y,rn.x,0,-an.y,an.x,0,-vn.y,vn.x,0];return!Hs(e,Bn,Cn,An,Ei)||(e=[1,0,0,0,1,0,0,0,1],!Hs(e,Bn,Cn,An,Ei))?!1:(Hi.crossVectors(rn,an),e=[Hi.x,Hi.y,Hi.z],Hs(e,Bn,Cn,An,Ei))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return Vn.copy(t).clamp(this.min,this.max).sub(t).length()}getBoundingSphere(t){return this.getCenter(t.center),t.radius=this.getSize(Vn).length()*.5,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()?this:(Ke[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Ke[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Ke[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Ke[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Ke[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Ke[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Ke[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Ke[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Ke),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)}}ae.prototype.isBox3=!0;const Ke=[new R,new R,new R,new R,new R,new R,new R,new R],Vn=new R,Es=new ae,Bn=new R,Cn=new R,An=new R,rn=new R,an=new R,vn=new R,ui=new R,Ei=new R,Hi=new R,Rn=new R;function Hs(s,t,e,n,i){for(let r=0,a=s.length-3;r<=a;r+=3){Rn.fromArray(s,r);const o=i.x*Math.abs(Rn.x)+i.y*Math.abs(Rn.y)+i.z*Math.abs(Rn.z),l=t.dot(Rn),c=e.dot(Rn),d=n.dot(Rn);if(Math.max(-Math.max(l,c,d),Math.min(l,c,d))>o)return!1}return!0}const Sl=new ae,da=new R,Ui=new R,Us=new R;class Re{constructor(t=new R,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;e!==void 0?n.copy(e):Sl.setFromPoints(t).getCenter(n);let i=0;for(let r=0,a=t.length;r<a;r++)i=Math.max(i,n.distanceToSquared(t[r]));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)-th