mediaquad-three-component/dist/mediaquad-three-component.umd.js

This component is built on the [Three.js](https://threejs.org) library.

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 * @license
 * Copyright 2010-2024 Three.js Authors
 * SPDX-License-Identifier: MIT
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fA(a){const e=a.elements;e[11]===-1?(e[10]=-e[10]-1,e[14]=-e[14]):(e[10]=-e[10],e[14]=-e[14]+1)}const iu=new Ct().set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),su=new Ct().set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function pA(){const a={enabled:!0,workingColorSpace:An,spaces:{},convert:function(i,s,r){return this.enabled===!1||s===r||!s||!r||(this.spaces[s].transfer===Vt&&(i.r=wi(i.r),i.g=wi(i.g),i.b=wi(i.b)),this.spaces[s].primaries!==this.spaces[r].primaries&&(i.applyMatrix3(this.spaces[s].toXYZ),i.applyMatrix3(this.spaces[r].fromXYZ)),this.spaces[r].transfer===Vt&&(i.r=ar(i.r),i.g=ar(i.g),i.b=ar(i.b))),i},fromWorkingColorSpace:function(i,s){return this.convert(i,this.workingColorSpace,s)},toWorkingColorSpace:function(i,s){return this.convert(i,s,this.workingColorSpace)},getPrimaries:function(i){return this.spaces[i].primaries},getTransfer:function(i){return i===ai?Wa:this.spaces[i].transfer},getLuminanceCoefficients:function(i,s=this.workingColorSpace){return i.fromArray(this.spaces[s].luminanceCoefficients)},define:function(i){Object.assign(this.spaces,i)},_getMatrix:function(i,s,r){return i.copy(this.spaces[s].toXYZ).multiply(this.spaces[r].fromXYZ)},_getDrawingBufferColorSpace:function(i){return this.spaces[i].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(i=this.workingColorSpace){return this.spaces[i].workingColorSpaceConfig.unpackColorSpace}},e=[.64,.33,.3,.6,.15,.06],t=[.2126,.7152,.0722],n=[.3127,.329];return a.define({[An]:{primaries:e,whitePoint:n,transfer:Wa,toXYZ:iu,fromXYZ:su,luminanceCoefficients:t,workingColorSpaceConfig:{unpackColorSpace:ft},outputColorSpaceConfig:{drawingBufferColorSpace:ft}},[ft]:{primaries:e,whitePoint:n,transfer:Vt,toXYZ:iu,fromXYZ:su,luminanceCoefficients:t,outputColorSpaceConfig:{drawingBufferColorSpace:ft}}}),a}const mt=pA();function wi(a){return a<.04045?a*.0773993808:Math.pow(a*.9478672986+.0521327014,2.4)}function ar(a){return a<.0031308?a*12.92:1.055*Math.pow(a,.41666)-.055}let or;class AA{static getDataURL(e){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{or===void 0&&(or=aa("canvas")),or.width=e.width,or.height=e.height;const n=or.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=or}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=aa("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]=wi(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(wi(t[n]/255)*255):t[n]=wi(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}}let gA=0;class cr{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:gA++}),this.uuid=$n(),this.data=e,this.dataReady=!0,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let s;if(Array.isArray(i)){s=[];for(let r=0,o=i.length;r<o;r++)i[r].isDataTexture?s.push(kc(i[r].image)):s.push(kc(i[r]))}else s=kc(i);n.url=s}return t||(e.images[this.uuid]=n),n}}function kc(a){return typeof HTMLImageElement<"u"&&a instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&a instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&a instanceof ImageBitmap?AA.getDataURL(a):a.data?{data:Array.from(a.data),width:a.width,height:a.height,type:a.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let mA=0;class rn extends ji{constructor(e=rn.DEFAULT_IMAGE,t=rn.DEFAULT_MAPPING,n=Zt,i=Zt,s=Gt,r=wn,o=en,c=En,l=rn.DEFAULT_ANISOTROPY,h=ai){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:mA++}),this.uuid=$n(),this.name="",this.source=new cr(e),this.mipmaps=[],this.mapping=t,this.channel=0,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 we(0,0),this.repeat=new we(1,1),this.center=new we(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ct,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=h,this.userData={},this.version=0,this.onUpdate=null,this.renderTarget=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.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,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:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==cc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case un:e.x=e.x-Math.floor(e.x);break;case Zt:e.x=e.x<0?0:1;break;case Yi: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 un:e.y=e.y-Math.floor(e.y);break;case Zt:e.y=e.y<0?0:1;break;case Yi: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++}}rn.DEFAULT_IMAGE=null,rn.DEFAULT_MAPPING=cc,rn.DEFAULT_ANISOTROPY=1;class Rt{constructor(e=0,t=0,n=0,i=1){Rt.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}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,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],h=c[4],u=c[8],d=c[1],f=c[5],A=c[9],m=c[2],g=c[6],p=c[10];if(Math.abs(h-d)<.01&&Math.abs(u-m)<.01&&Math.abs(A-g)<.01){if(Math.abs(h+d)<.1&&Math.abs(u+m)<.1&&Math.abs(A+g)<.1&&Math.abs(l+f+p-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const b=(l+1)/2,y=(f+1)/2,B=(p+1)/2,S=(h+d)/4,R=(u+m)/4,D=(A+g)/4;return b>y&&b>B?b<.01?(n=0,i=.707106781,s=.707106781):(n=Math.sqrt(b),i=S/n,s=R/n):y>B?y<.01?(n=.707106781,i=0,s=.707106781):(i=Math.sqrt(y),n=S/i,s=D/i):B<.01?(n=.707106781,i=.707106781,s=0):(s=Math.sqrt(B),n=R/s,i=D/s),this.set(n,i,s,t),this}let _=Math.sqrt((g-A)*(g-A)+(u-m)*(u-m)+(d-h)*(d-h));return Math.abs(_)<.001&&(_=1),this.x=(g-A)/_,this.y=(u-m)/_,this.z=(d-h)/_,this.w=Math.acos((l+f+p-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=It(this.x,e.x,t.x),this.y=It(this.y,e.y,t.y),this.z=It(this.z,e.z,t.z),this.w=It(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=It(this.x,e,t),this.y=It(this.y,e,t),this.z=It(this.z,e,t),this.w=It(this.w,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(It(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class bA extends ji{constructor(e=1,t=1,n={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new Rt(0,0,e,t),this.scissorTest=!1,this.viewport=new Rt(0,0,e,t);const i={width:e,height:t,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Gt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},n);const s=new rn(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);s.flipY=!1,s.generateMipmaps=n.generateMipmaps,s.internalFormat=n.internalFormat,this.textures=[];const r=n.count;for(let o=0;o<r;o++)this.textures[o]=s.clone(),this.textures[o].isRenderTargetTexture=!0,this.textures[o].renderTarget=this;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){this._depthTexture!==null&&(this._depthTexture.renderTarget=null),e!==null&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}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.textures.length;i<s;i++)this.textures[i].image.width=e,this.textures[i].image.height=t,this.textures[i].image.depth=n;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let n=0,i=e.textures.length;n<i;n++)this.textures[n]=e.textures[n].clone(),this.textures[n].isRenderTargetTexture=!0,this.textures[n].renderTarget=this;const t=Object.assign({},e.texture.image);return this.texture.source=new cr(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 ps extends bA{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class ru extends rn{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=xn,this.minFilter=xn,this.wrapR=Zt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class au extends rn{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=xn,this.minFilter=xn,this.wrapR=Zt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class an{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],h=n[i+2],u=n[i+3];const d=s[r+0],f=s[r+1],A=s[r+2],m=s[r+3];if(o===0){e[t+0]=c,e[t+1]=l,e[t+2]=h,e[t+3]=u;return}if(o===1){e[t+0]=d,e[t+1]=f,e[t+2]=A,e[t+3]=m;return}if(u!==m||c!==d||l!==f||h!==A){let g=1-o;const p=c*d+l*f+h*A+u*m,_=p>=0?1:-1,b=1-p*p;if(b>Number.EPSILON){const B=Math.sqrt(b),S=Math.atan2(B,p*_);g=Math.sin(g*S)/B,o=Math.sin(o*S)/B}const y=o*_;if(c=c*g+d*y,l=l*g+f*y,h=h*g+A*y,u=u*g+m*y,g===1-o){const B=1/Math.sqrt(c*c+l*l+h*h+u*u);c*=B,l*=B,h*=B,u*=B}}e[t]=c,e[t+1]=l,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,i,s,r){const o=n[i],c=n[i+1],l=n[i+2],h=n[i+3],u=s[r],d=s[r+1],f=s[r+2],A=s[r+3];return e[t]=o*A+h*u+c*f-l*d,e[t+1]=c*A+h*d+l*u-o*f,e[t+2]=l*A+h*f+o*d-c*u,e[t+3]=h*A-o*u-c*d-l*f,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){const n=e._x,i=e._y,s=e._z,r=e._order,o=Math.cos,c=Math.sin,l=o(n/2),h=o(i/2),u=o(s/2),d=c(n/2),f=c(i/2),A=c(s/2);switch(r){case"XYZ":this._x=d*h*u+l*f*A,this._y=l*f*u-d*h*A,this._z=l*h*A+d*f*u,this._w=l*h*u-d*f*A;break;case"YXZ":this._x=d*h*u+l*f*A,this._y=l*f*u-d*h*A,this._z=l*h*A-d*f*u,this._w=l*h*u+d*f*A;break;case"ZXY":this._x=d*h*u-l*f*A,this._y=l*f*u+d*h*A,this._z=l*h*A+d*f*u,this._w=l*h*u-d*f*A;break;case"ZYX":this._x=d*h*u-l*f*A,this._y=l*f*u+d*h*A,this._z=l*h*A-d*f*u,this._w=l*h*u+d*f*A;break;case"YZX":this._x=d*h*u+l*f*A,this._y=l*f*u+d*h*A,this._z=l*h*A-d*f*u,this._w=l*h*u-d*f*A;break;case"XZY":this._x=d*h*u-l*f*A,this._y=l*f*u-d*h*A,this._z=l*h*A+d*f*u,this._w=l*h*u+d*f*A;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+r)}return t===!0&&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],h=t[6],u=t[10],d=n+o+u;if(d>0){const f=.5/Math.sqrt(d+1);this._w=.25/f,this._x=(h-c)*f,this._y=(s-l)*f,this._z=(r-i)*f}else if(n>o&&n>u){const f=2*Math.sqrt(1+n-o-u);this._w=(h-c)/f,this._x=.25*f,this._y=(i+r)/f,this._z=(s+l)/f}else if(o>u){const f=2*Math.sqrt(1+o-n-u);this._w=(s-l)/f,this._x=(i+r)/f,this._y=.25*f,this._z=(c+h)/f}else{const f=2*Math.sqrt(1+u-n-o);this._w=(r-i)/f,this._x=(s+l)/f,this._y=(c+h)/f,this._z=.25*f}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(It(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,h=t._w;return this._x=n*h+r*o+i*l-s*c,this._y=i*h+r*c+s*o-n*l,this._z=s*h+r*l+n*c-i*o,this._w=r*h-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 f=1-t;return this._w=f*r+t*this._w,this._x=f*n+t*this._x,this._y=f*i+t*this._y,this._z=f*s+t*this._z,this.normalize(),this}const l=Math.sqrt(c),h=Math.atan2(l,o),u=Math.sin((1-t)*h)/l,d=Math.sin(t*h)/l;return this._w=r*u+this._w*d,this._x=n*u+this._x*d,this._y=i*u+this._y*d,this._z=s*u+this._z*d,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),s=Math.sqrt(n);return this.set(i*Math.sin(e),i*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 z{constructor(e=0,t=0,n=0){z.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(ou.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(ou.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=2*(r*i-o*n),h=2*(o*t-s*i),u=2*(s*n-r*t);return this.x=t+c*l+r*u-o*h,this.y=n+c*h+o*l-s*u,this.z=i+c*u+s*h-r*l,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=It(this.x,e.x,t.x),this.y=It(this.y,e.y,t.y),this.z=It(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=It(this.x,e,t),this.y=It(this.y,e,t),this.z=It(this.z,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(It(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){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 Oc.copy(this).projectOnVector(e),this.sub(Oc)}reflect(e){return this.sub(Oc.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(It(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}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,n=Math.sqrt(1-t*t);return this.x=n*Math.cos(e),this.y=t,this.z=n*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Oc=new z,ou=new an;class Tn{constructor(e=new z(1/0,1/0,1/0),t=new z(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t+=3)this.expandByPoint(ci.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(ci.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=ci.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){const s=n.getAttribute("position");if(t===!0&&s!==void 0&&e.isInstancedMesh!==!0)for(let r=0,o=s.count;r<o;r++)e.isMesh===!0?e.getVertexPosition(r,ci):ci.fromBufferAttribute(s,r),ci.applyMatrix4(e.matrixWorld),this.expandByPoint(ci);else e.boundingBox!==void 0?(e.boundingBox===null&&e.computeBoundingBox(),Xa.copy(e.boundingBox)):(n.boundingBox===null&&n.computeBoundingBox(),Xa.copy(n.boundingBox)),Xa.applyMatrix4(e.matrixWorld),this.union(Xa)}const i=e.children;for(let s=0,r=i.length;s<r;s++)this.expandByObject(i[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,ci),ci.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(oa),Ya.subVectors(this.max,oa),lr.subVectors(e.a,oa),hr.subVectors(e.b,oa),ur.subVectors(e.c,oa),Ji.subVectors(hr,lr),Zi.subVectors(ur,hr),As.subVectors(lr,ur);let t=[0,-Ji.z,Ji.y,0,-Zi.z,Zi.y,0,-As.z,As.y,Ji.z,0,-Ji.x,Zi.z,0,-Zi.x,As.z,0,-As.x,-Ji.y,Ji.x,0,-Zi.y,Zi.x,0,-As.y,As.x,0];return!Qc(t,lr,hr,ur,Ya)||(t=[1,0,0,0,1,0,0,0,1],!Qc(t,lr,hr,ur,Ya))?!1:(Ka.crossVectors(Ji,Zi),t=[Ka.x,Ka.y,Ka.z],Qc(t,lr,hr,ur,Ya))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,ci).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(ci).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:(Mi[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Mi[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Mi[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Mi[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Mi[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Mi[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Mi[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Mi[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Mi),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 Mi=[new z,new z,new z,new z,new z,new z,new z,new z],ci=new z,Xa=new Tn,lr=new z,hr=new z,ur=new z,Ji=new z,Zi=new z,As=new z,oa=new z,Ya=new z,Ka=new z,gs=new z;function Qc(a,e,t,n,i){for(let s=0,r=a.length-3;s<=r;s+=3){gs.fromArray(a,s);const o=i.x*Math.abs(gs.x)+i.y*Math.abs(gs.y)+i.z*Math.abs(gs.z),c=e.dot(gs),l=t.dot(gs),h=n.dot(gs);if(Math.max(-Math.max(c,l,h),Math.min(c,l,h))>o)return!1}return!0}const _A=new Tn,ca=new z,Gc=new z;class Bn{constructor(e=new z,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 n=this.center;t!==void 0?n.copy(t):_A.setFromPoints(e).getCenter(n);let i=0;for(let s=0,r=e.length;s<r;s++)i=Math.max(i,n.distanceToSquared(e[s]));return this.radius=Math.sqrt(i),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){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 n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;ca.subVectors(e,this.center);const t=ca.lengthSq();if(t>this.radius*this.radius){const n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.addScaledVector(ca,i/n),this.radius+=i}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(Gc.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(ca.copy(e.center).add(Gc)),this.expandByPoint(ca.copy(e.center).sub(Gc))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}const Ti=new z,Hc=new z,ja=new z,$i=new z,zc=new z,Ja=new z,Vc=new z;class la{constructor(e=new z,t=new z(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,Ti)),this}closestPointToPoint(e,t){t.subVectors(