@needle-tools/engine/dist/three.light.min.js

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in

/**
 * @license
 * Copyright 2010-2024 Three.js Authors
 * SPDX-License-Identifier: MIT
 */const 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Dw(n){const e=n.elements;e[11]===-1?(e[10]=-e[10]-1,e[14]=-e[14]):(e[10]=-e[10],e[14]=-e[14]+1)}const dv=new Ke().set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),pv=new Ke().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),il={[nr]:{transfer:Ko,primaries:Zo,luminanceCoefficients:[.2126,.7152,.0722],toReference:n=>n,fromReference:n=>n},[Fi]:{transfer:Ot,primaries:Zo,luminanceCoefficients:[.2126,.7152,.0722],toReference:n=>n.convertSRGBToLinear(),fromReference:n=>n.convertLinearToSRGB()},[Sa]:{transfer:Ko,primaries:Qo,luminanceCoefficients:[.2289,.6917,.0793],toReference:n=>n.applyMatrix3(pv),fromReference:n=>n.applyMatrix3(dv)},[Jo]:{transfer:Ot,primaries:Qo,luminanceCoefficients:[.2289,.6917,.0793],toReference:n=>n.convertSRGBToLinear().applyMatrix3(pv),fromReference:n=>n.applyMatrix3(dv).convertLinearToSRGB()}},Uw=new Set([nr,Sa]),vt={enabled:!0,_workingColorSpace:nr,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(n){if(!Uw.has(n))throw new Error(`Unsupported working color space, "${n}".`);this._workingColorSpace=n},convert:function(n,e,t){if(this.enabled===!1||e===t||!e||!t)return n;const i=il[e].toReference,r=il[t].fromReference;return r(i(n))},fromWorkingColorSpace:function(n,e){return this.convert(n,this._workingColorSpace,e)},toWorkingColorSpace:function(n,e){return this.convert(n,e,this._workingColorSpace)},getPrimaries:function(n){return il[n].primaries},getTransfer:function(n){return n===Cr?Ko:il[n].transfer},getLuminanceCoefficients:function(n,e=this._workingColorSpace){return n.fromArray(il[e].luminanceCoefficients)}};function Na(n){return n<.04045?n*.0773993808:Math.pow(n*.9478672986+.0521327014,2.4)}function vp(n){return n<.0031308?n*12.92:1.055*Math.pow(n,.41666)-.055}let Ca;class mv{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{Ca===void 0&&(Ca=tl("canvas")),Ca.width=e.width,Ca.height=e.height;const i=Ca.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),t=Ca}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){const t=tl("canvas");t.width=e.width,t.height=e.height;const i=t.getContext("2d");i.drawImage(e,0,0,e.width,e.height);const r=i.getImageData(0,0,e.width,e.height),s=r.data;for(let a=0;a<s.length;a++)s[a]=Na(s[a]/255)*255;return i.putImageData(r,0,0),t}else if(e.data){const t=e.data.slice(0);for(let i=0;i<t.length;i++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[i]=Math.floor(Na(t[i]/255)*255):t[i]=Na(t[i]);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}}let Ow=0;class $n{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Ow++}),this.uuid=yr(),this.data=e,this.dataReady=!0,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 i={uuid:this.uuid,url:""},r=this.data;if(r!==null){let s;if(Array.isArray(r)){s=[];for(let a=0,o=r.length;a<o;a++)r[a].isDataTexture?s.push(yp(r[a].image)):s.push(yp(r[a]))}else s=yp(r);i.url=s}return t||(e.images[this.uuid]=i),i}}function yp(n){return typeof HTMLImageElement<"u"&&n instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&n instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&n instanceof ImageBitmap?mv.getDataURL(n):n.data?{data:Array.from(n.data),width:n.width,height:n.height,type:n.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let Fw=0;class Wt extends vr{constructor(e=Wt.DEFAULT_IMAGE,t=Wt.DEFAULT_MAPPING,i=gr,r=gr,s=Lt,a=ji,o=Ei,l=Wr,c=Wt.DEFAULT_ANISOTROPY,u=Cr){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Fw++}),this.uuid=yr(),this.name="",this.source=new $n(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=i,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new J(0,0),this.repeat=new J(1,1),this.center=new J(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ke,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=u,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){const t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];const i={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&&(i.userData=this.userData),t||(e.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==Pc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case Gn:e.x=e.x-Math.floor(e.x);break;case gr:e.x=e.x<0?0:1;break;case va: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 Gn:e.y=e.y-Math.floor(e.y);break;case gr:e.y=e.y<0?0:1;break;case va: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++}}Wt.DEFAULT_IMAGE=null,Wt.DEFAULT_MAPPING=Pc,Wt.DEFAULT_ANISOTROPY=4;class st{constructor(e=0,t=0,i=0,r=1){st.prototype.isVector4=!0,this.x=e,this.y=t,this.z=i,this.w=r}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,i,r){return this.x=e,this.y=t,this.z=i,this.w=r,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,i=this.y,r=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*r+a[12]*s,this.y=a[1]*t+a[5]*i+a[9]*r+a[13]*s,this.z=a[2]*t+a[6]*i+a[10]*r+a[14]*s,this.w=a[3]*t+a[7]*i+a[11]*r+a[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,i,r,s;const a=e.elements,o=a[0],l=a[4],c=a[8],u=a[1],h=a[5],d=a[9],p=a[2],m=a[6],v=a[10];if(Math.abs(l-u)<.01&&Math.abs(c-p)<.01&&Math.abs(d-m)<.01){if(Math.abs(l+u)<.1&&Math.abs(c+p)<.1&&Math.abs(d+m)<.1&&Math.abs(o+h+v-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const g=(o+1)/2,x=(h+1)/2,y=(v+1)/2,_=(l+u)/4,I=(c+p)/4,T=(d+m)/4;return g>x&&g>y?g<.01?(i=0,r=.707106781,s=.707106781):(i=Math.sqrt(g),r=_/i,s=I/i):x>y?x<.01?(i=.707106781,r=0,s=.707106781):(r=Math.sqrt(x),i=_/r,s=T/r):y<.01?(i=.707106781,r=.707106781,s=0):(s=Math.sqrt(y),i=I/s,r=T/s),this.set(i,r,s,t),this}let f=Math.sqrt((m-d)*(m-d)+(c-p)*(c-p)+(u-l)*(u-l));return Math.abs(f)<.001&&(f=1),this.x=(m-d)/f,this.y=(c-p)/f,this.z=(u-l)/f,this.w=Math.acos((o+h+v-1)/2),this}setFromMatrixPosition(e){const 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){const i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}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,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,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 ui extends vr{constructor(e=1,t=1,i={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new st(0,0,e,t),this.scissorTest=!1,this.viewport=new st(0,0,e,t);const r={width:e,height:t,depth:1};i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Lt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},i);const s=new Wt(r,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.colorSpace);s.flipY=!1,s.generateMipmaps=i.generateMipmaps,s.internalFormat=i.internalFormat,this.textures=[];const a=i.count;for(let o=0;o<a;o++)this.textures[o]=s.clone(),this.textures[o].isRenderTargetTexture=!0;this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this.depthTexture=i.depthTexture,this.samples=i.samples}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}setSize(e,t,i=1){if(this.width!==e||this.height!==t||this.depth!==i){this.width=e,this.height=t,this.depth=i;for(let r=0,s=this.textures.length;r<s;r++)this.textures[r].image.width=e,this.textures[r].image.height=t,this.textures[r].image.depth=i;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 i=0,r=e.textures.length;i<r;i++)this.textures[i]=e.textures[i].clone(),this.textures[i].isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new $n(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Ir extends ui{constructor(e=1,t=1,i={}){super(e,t,i),this.isWebGLRenderTarget=!0}}class rl extends Wt{constructor(e=null,t=1,i=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:i,depth:r},this.magFilter=$t,this.minFilter=$t,this.wrapR=gr,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class Vw extends Ir{constructor(e=1,t=1,i=1,r={}){super(e,t,r),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new rl(null,e,t,i),this.texture.isRenderTargetTexture=!0}}class hu extends Wt{constructor(e=null,t=1,i=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:i,depth:r},this.magFilter=$t,this.minFilter=$t,this.wrapR=gr,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Bw extends Ir{constructor(e=1,t=1,i=1,r={}){super(e,t,r),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new hu(null,e,t,i),this.texture.isRenderTargetTexture=!0}}class qi{constructor(e=0,t=0,i=0,r=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=i,this._w=r}static slerpFlat(e,t,i,r,s,a,o){let l=i[r+0],c=i[r+1],u=i[r+2],h=i[r+3];const d=s[a+0],p=s[a+1],m=s[a+2],v=s[a+3];if(o===0){e[t+0]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h;return}if(o===1){e[t+0]=d,e[t+1]=p,e[t+2]=m,e[t+3]=v;return}if(h!==v||l!==d||c!==p||u!==m){let f=1-o;const g=l*d+c*p+u*m+h*v,x=g>=0?1:-1,y=1-g*g;if(y>Number.EPSILON){const I=Math.sqrt(y),T=Math.atan2(I,g*x);f=Math.sin(f*T)/I,o=Math.sin(o*T)/I}const _=o*x;if(l=l*f+d*_,c=c*f+p*_,u=u*f+m*_,h=h*f+v*_,f===1-o){const I=1/Math.sqrt(l*l+c*c+u*u+h*h);l*=I,c*=I,u*=I,h*=I}}e[t]=l,e[t+1]=c,e[t+2]=u,e[t+3]=h}static multiplyQuaternionsFlat(e,t,i,r,s,a){const o=i[r],l=i[r+1],c=i[r+2],u=i[r+3],h=s[a],d=s[a+1],p=s[a+2],m=s[a+3];return e[t]=o*m+u*h+l*p-c*d,e[t+1]=l*m+u*d+c*h-o*p,e[t+2]=c*m+u*p+o*d-l*h,e[t+3]=u*m-o*h-l*d-c*p,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,i,r){return this._x=e,this._y=t,this._z=i,this._w=r,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){const i=e._x,r=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(i/2),u=o(r/2),h=o(s/2),d=l(i/2),p=l(r/2),m=l(s/2);switch(a){case"XYZ":this._x=d*u*h+c*p*m,this._y=c*p*h-d*u*m,this._z=c*u*m+d*p*h,this._w=c*u*h-d*p*m;break;case"YXZ":this._x=d*u*h+c*p*m,this._y=c*p*h-d*u*m,this._z=c*u*m-d*p*h,this._w=c*u*h+d*p*m;break;case"ZXY":this._x=d*u*h-c*p*m,this._y=c*p*h+d*u*m,this._z=c*u*m+d*p*h,this._w=c*u*h-d*p*m;break;case"ZYX":this._x=d*u*h-c*p*m,this._y=c*p*h+d*u*m,this._z=c*u*m-d*p*h,this._w=c*u*h+d*p*m;break;case"YZX":this._x=d*u*h+c*p*m,this._y=c*p*h+d*u*m,this._z=c*u*m-d*p*h,this._w=c*u*h-d*p*m;break;case"XZY":this._x=d*u*h-c*p*m,this._y=c*p*h-d*u*m,this._z=c*u*m+d*p*h,this._w=c*u*h+d*p*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const i=t/2,r=Math.sin(i);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,i=t[0],r=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],u=t[6],h=t[10],d=i+o+h;if(d>0){const p=.5/Math.sqrt(d+1);this._w=.25/p,this._x=(u-l)*p,this._y=(s-c)*p,this._z=(a-r)*p}else if(i>o&&i>h){const p=2*Math.sqrt(1+i-o-h);this._w=(u-l)/p,this._x=.25*p,this._y=(r+a)/p,this._z=(s+c)/p}else if(o>h){const p=2*Math.sqrt(1+o-i-h);this._w=(s-c)/p,this._x=(r+a)/p,this._y=.25*p,this._z=(l+u)/p}else{const p=2*Math.sqrt(1+h-i-o);this._w=(a-r)/p,this._x=(s+c)/p,this._y=(l+u)/p,this._z=.25*p}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return i<Number.EPSILON?(i=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(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=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(Jt(this.dot(e),-1,1)))}rotateTowards(e,t){const i=this.angleTo(e);if(i===0)return this;const r=Math.min(1,t/i);return this.slerp(e,r),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 i=e._x,r=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return this._x=i*u+a*o+r*c-s*l,this._y=r*u+a*l+s*o-i*c,this._z=s*u+a*c+i*l-r*o,this._w=a*u-i*o-r*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const i=this._x,r=this._y,s=this._z,a=this._w;let o=a*e._w+i*e._x+r*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=a,this._x=i,this._y=r,this._z=s,this;const l=1-o*o;if(l<=Number.EPSILON){const p=1-t;return this._w=p*a+t*this._w,this._x=p*i+t*this._x,this._y=p*r+t*this._y,this._z=p*s+t*this._z,this.normalize(),this}const c=Math.sqrt(l),u=Math.atan2(c,o),h=Math.sin((1-t)*u)/c,d=Math.sin(t*u)/c;return this._w=a*h+this._w*d,this._x=i*h+this._x*d,this._y=r*h+this._y*d,this._z=s*h+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){const e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),r=Math.sqrt(1-i),s=Math.sqrt(i);return this.set(r*Math.sin(e),r*Math.cos(e),s*Math.sin(t),s*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}}class N{constructor(e=0,t=0,i=0){N.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,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(fv.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(fv.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[3]*i+s[6]*r,this.y=s[1]*t+s[4]*i+s[7]*r,this.z=s[2]*t+s[5]*i+s[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,i=this.y,r=this.z,s=e.elements,a=1/(s[3]*t+s[7]*i+s[11]*r+s[15]);return this.x=(s[0]*t+s[4]*i+s[8]*r+s[12])*a,this.y=(s[1]*t+s[5]*i+s[9]*r+s[13])*a,this.z=(s[2]*t+s[6]*i+s[10]*r+s[14])*a,this}applyQuaternion(e){const t=this.x,i=this.y,r=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=2*(a*r-o*i),u=2*(o*t-s*r),h=2*(s*i-a*t);return this.x=t+l*c+a*h-o*u,this.y=i+l*u+o*c-s*h,this.z=r+l*h+s*u-a*c,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,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*r,this.y=s[1]*t+s[5]*i+s[9]*r,this.z=s[2]*t+s[6]*i+s[10]*r,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 i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}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,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const i=e.x,r=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=r*l-s*o,this.y=s*a-i*l,this.z=i*o-r*a,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return xp.copy(this).projectOnVector(e),this.sub(xp)}reflect(e){return this.sub(xp.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 i=this.dot(e)/t;return Math.acos(Jt(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,i=this.y-e.y,r=this.z-e.z;return t*t+i*i+r*r}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,i){const r=Math.sin(t)*e;return this.x=r*Math.sin(i),this.y=Math.cos(t)*e,this.z=r*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,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(),i=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=r,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(){const e=Math.random()*Math.PI*2,t=Math.random()*2-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const xp=new N,fv=new qi;class Bi{constructor(e=new N(1/0,1/0,1/0),t=new N(-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,i=e.length;t<i;t+=3)this.expandByPoint(jr.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,i=e.count;t<i;t++)this.expandByPoint(jr.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const i=jr.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),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 i=e.geometry;if(i!==void 0){const s=i.getAttribute("position");if(t===!0&&s!==void 0&&e.isInstancedMesh!==!0)for(let a=0,o=s.count;a<o;a++)e.isMesh===!0?e.getVertexPosition(a,jr):jr.fromBufferAttribute(s,a),jr.applyMatrix4(e.matrixWorld),this.expandByPoint(jr);else e.boundingBox!==void 0?(e.boundingBox===null&&e.computeBoundingBox(),du.copy(e.boundingBox)):(i.boundingBox===null&&i.computeBoundingBox(),du.copy(i.boundingBox)),du.applyMatrix4(e.matrixWorld),this.union(du)}const r=e.children;for(let s=0,a=r.length;s<a;s++)this.expandByObject(r[s],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,jr),jr.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(nl),pu.subVectors(this.max,nl),Ra.subVectors(e.a,nl),Ia.subVectors(e.b,nl),La.subVectors(e.c,nl),Jn.subVectors(Ia,Ra),Kn.subVectors(La,Ia),As.subVectors(Ra,La);let t=[0,-Jn.z,Jn.y,0,-Kn.z,Kn.y,0,-As.z,As.y,Jn.z,0,-Jn.x,Kn.z,0,-Kn.x,As.z,0,-As.x,-Jn.y,Jn.x,0,-Kn.y,Kn.x,0,-As.y,As.x,0];return!_p(t,Ra,Ia,La,pu)||(t=[1,0,0,0,1,0,0,0,1],!_p(t,Ra,Ia,La,pu))?!1:(mu.crossVectors(Jn,Kn),t=[mu.x,mu.y,mu.z],_p(t,Ra,Ia,La,pu))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,jr).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(jr).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:(Tn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Tn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Tn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Tn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Tn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Tn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Tn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Tn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Tn),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)}}const Tn=[new N,new N,new N,new N,new N,new N,new N,new N],jr=new N,du=new Bi,Ra=new N,Ia=new N,La=new N,Jn=new N,Kn=new N,As=new N,nl=new N,pu=new N,mu=new N,Ns=new N;function _p(n,e,t,i,r){for(let s=0,a=n.length-3;s<=a;s+=3){Ns.fromArray(n,s);const o=r.x*Math.abs(Ns.x)+r.y*Math.abs(Ns.y)+r.z*Math.abs(Ns.z),l=e.dot(Ns),c=t.dot(Ns),u=i.dot(Ns);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}const zw=new Bi,sl=new N,Mp=new N;class Ai{constructor(e=new N,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){const i=this.center;t!==void 0?i.copy(t):zw.setFromPoints(e).getCenter(i);let r=0;for(let s=0,a=e.length;s<a;s++)r=Math.max(r,i.distanceToSquared(e[s]));return this.radius=Math.sqrt(r),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){const 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){const i=this.center.distanceToSquared(e);return t.copy(e),i>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;sl.subVectors(e,this.center);const t=sl.lengthSq();if(t>this.radius*this.radius){const i=Math.sqrt(t),r=(i-this.radius)*.5;this.center.addScaledVector(sl,r/i),this.radius+=r}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):(Mp.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(sl.copy(e.center).add(Mp)),this.expandByPoint(sl.copy(e.center).sub(Mp))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}const bn=new N,Tp=new N,fu=new N,Zn=new N,bp=new N,gu=new N,Sp=new N;class Cs{constructor(e=new N,t=new N(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,bn)),this}closestPointToPoint(e,t){t.subVectors(e,this