threepipe/dist/index.js

A 3D viewer framework built on top of three.js in TypeScript with a focus on quality rendering, modularity and extensibility.

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 * @license
 * threepipe v0.0.39
 * Copyright 2022-2025 repalash <palash@shaders.app>
 * Apache-2.0 License
 * See ./dependencies.txt for bundled third-party dependencies and licenses.
 *//**
 * @license
 * Copyright 2010-2023 Three.js Authors
 * SPDX-License-Identifier: MIT
 */var Vi,bo,ua,sc,da,rc,ac;const 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s[0]=a*_+o*v+l*S,s[3]=a*A+o*y+l*M,s[6]=a*g+o*w+l*T,s[1]=c*_+h*v+u*S,s[4]=c*A+h*y+u*M,s[7]=c*g+h*w+u*T,s[2]=f*_+p*v+m*S,s[5]=f*A+p*y+m*M,s[8]=f*g+p*w+m*T,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8];return t*a*h-t*o*c-n*s*h+n*o*l+i*s*c-i*a*l}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],h=e[8],u=h*a-o*c,f=o*l-h*s,p=c*s-a*l,m=t*u+n*f+i*p;if(m===0)return this.set(0,0,0,0,0,0,0,0,0);const _=1/m;return e[0]=u*_,e[1]=(i*c-h*n)*_,e[2]=(o*n-i*a)*_,e[3]=f*_,e[4]=(h*t-i*l)*_,e[5]=(i*s-o*t)*_,e[6]=p*_,e[7]=(n*l-c*t)*_,e[8]=(a*t-n*s)*_,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const 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pt().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),cu={[St]:{transfer:iu,primaries:su,toReference:r=>r,fromReference:r=>r},[ct]:{transfer:cn,primaries:su,toReference:r=>r.convertSRGBToLinear(),fromReference:r=>r.convertLinearToSRGB()},[pc]:{transfer:iu,primaries:ru,toReference:r=>r.applyMatrix3(J_),fromReference:r=>r.applyMatrix3(K_)},[fc]:{transfer:cn,primaries:ru,toReference:r=>r.convertSRGBToLinear().applyMatrix3(J_),fromReference:r=>r.applyMatrix3(K_).convertLinearToSRGB()}},cM=new Set([St,pc]),Ct={enabled:!0,_workingColorSpace:St,get legacyMode(){return console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),!this.enabled},set legacyMode(r){console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),this.enabled=!r},get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(r){if(!cM.has(r))throw new Error(`Unsupported working color space, "${r}".`);this._workingColorSpace=r},convert:function(r,e,t){if(this.enabled===!1||e===t||!e||!t)return r;const n=cu[e].toReference,i=cu[t].fromReference;return i(n(r))},fromWorkingColorSpace:function(r,e){return this.convert(r,this._workingColorSpace,e)},toWorkingColorSpace:function(r,e){return this.convert(r,e,this._workingColorSpace)},getPrimaries:function(r){return cu[r].primaries},getTransfer:function(r){return r===Qt||r===ts?iu:cu[r].transfer}};function No(r){return r<.04045?r*.0773993808:Math.pow(r*.9478672986+.0521327014,2.4)}function kp(r){return r<.0031308?r*12.92:1.055*Math.pow(r,.41666)-.055}let ko;class hu{static getDataURL(e,t=!1){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let n;if(e instanceof HTMLCanvasElement)n=e;else{ko===void 0&&(ko=gc("canvas")),ko.width=e.width,ko.height=e.height;const i=ko.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),n=ko}return!t&&(n.width>2048||n.height>2048)?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),n.toDataURL("image/jpeg",.6)):n.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=gc("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 a=0;a<s.length;a++)s[a]=No(s[a]/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(No(t[n]/255)*255):t[n]=No(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 hM=0;class rr{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:hM++}),this.uuid=ji(),this.data=e,this.version=0}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(i!==null){let s;if(Array.isArray(i)){s=[];for(let a=0,o=i.length;a<o;a++)i[a].isDataTexture?s.push(Gp(i[a].image)):s.push(Gp(i[a]))}else s=Gp(i);n.url=s}return t||(e.images[this.uuid]=n),n}}function Gp(r){if(typeof HTMLImageElement<"u"&&r instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&r instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&r instanceof ImageBitmap)return hu.getDataURL(r);if(r.data){let e=[];try{e=Array.from(r.data)}catch(t){t.message.includes("Invalid array length")?console.warn("Serializing large texture, might not be saved in JSON structure."):console.error(t),e=r.data}return{data:e,width:r.width,height:r.height,type:r.data.constructor.name}}else return r.url!==void 0?r.url:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let uM=0;class rn extends Sn{constructor(e=rn.DEFAULT_IMAGE,t=rn.DEFAULT_MAPPING,n=Xt,i=Xt,s=it,a=bi,o=Yt,l=Lt,c=rn.DEFAULT_ANISOTROPY,h=Qt){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:uM++}),this.uuid=ji(),this.name="",this.source=new rr(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new Z(0,0),this.repeat=new Z(1,1),this.center=new Z(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new pt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,typeof h=="string"?this.colorSpace=h:(Ac("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=h===Rr?ct:Qt),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}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&&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,encoding:this.colorSpace===ct?Rr:Bp,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&&(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==uc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case si:e.x=e.x-Math.floor(e.x);break;case Xt:e.x=e.x<0?0:1;break;case ir: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 si:e.y=e.y-Math.floor(e.y);break;case Xt:e.y=e.y<0?0:1;break;case ir: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,this.dispatchEvent({type:"update"}))}get encoding(){return Ac("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===ct?Rr:Bp}set encoding(e){Ac("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=e===Rr?ct:Qt}}rn.DEFAULT_IMAGE=null,rn.DEFAULT_MAPPING=uc,rn.DEFAULT_ANISOTROPY=1;class nt{constructor(e=0,t=0,n=0,i=1){nt.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,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*i+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,n,i,s;const l=e.elements,c=l[0],h=l[4],u=l[8],f=l[1],p=l[5],m=l[9],_=l[2],A=l[6],g=l[10];if(Math.abs(h-f)<.01&&Math.abs(u-_)<.01&&Math.abs(m-A)<.01){if(Math.abs(h+f)<.1&&Math.abs(u+_)<.1&&Math.abs(m+A)<.1&&Math.abs(c+p+g-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const y=(c+1)/2,w=(p+1)/2,S=(g+1)/2,M=(h+f)/4,T=(u+_)/4,C=(m+A)/4;return y>w&&y>S?y<.01?(n=0,i=.707106781,s=.707106781):(n=Math.sqrt(y),i=M/n,s=T/n):w>S?w<.01?(n=.707106781,i=0,s=.707106781):(i=Math.sqrt(w),n=M/i,s=C/i):S<.01?(n=.707106781,i=.707106781,s=0):(s=Math.sqrt(S),n=T/s,i=C/s),this.set(n,i,s,t),this}let v=Math.sqrt((A-m)*(A-m)+(u-_)*(u-_)+(f-h)*(f-h));return Math.abs(v)<.001&&(v=1),this.x=(A-m)/v,this.y=(u-_)/v,this.z=(f-h)/v,this.w=Math.acos((c+p+g-1)/2),this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=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 dM extends Sn{constructor(e=1,t=1,n={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new nt(0,0,e,t),this.scissorTest=!1,this.viewport=new nt(0,0,e,t);const i={width:e,height:t,depth:1};n.encoding!==void 0&&(Ac("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===Rr?ct:Qt),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:it,depthBuffer:!0,stencilBuffer:!1,depthTexture:null,samples:0},n),this.texture=new rn(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=n.generateMipmaps,this.texture.internalFormat=n.internalFormat,this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.depthTexture=n.depthTexture,this.samples=n.samples}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new rr(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Si extends dM{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class uu 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=sn,this.minFilter=sn,this.wrapR=Xt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class fM extends Si{constructor(e=1,t=1,n=1){super(e,t),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new uu(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class du 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=sn,this.minFilter=sn,this.wrapR=Xt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class pM extends Si{constructor(e=1,t=1,n=1){super(e,t),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new du(null,e,t,n),this.texture.isRenderTargetTexture=!0}}class $_ extends Si{constructor(e=1,t=1,n=1,i={}){super(e,t,i),this.isWebGLMultipleRenderTargets=!0;const s=this.texture;this.texture=[];for(let a=0;a<n;a++)this.texture[a]=s.clone(),this.texture[a].isRenderTargetTexture=!0}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let i=0,s=this.texture.length;i<s;i++)this.texture[i].image.width=e,this.texture[i].image.height=t,this.texture[i].image.depth=n;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}copy(e){this.dispose(),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.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.texture.length=0;for(let t=0,n=e.texture.length;t<n;t++)this.texture[t]=e.texture[t].clone(),this.texture[t].isRenderTargetTexture=!0;return this}}class st{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,a,o){let l=n[i+0],c=n[i+1],h=n[i+2],u=n[i+3];const f=s[a+0],p=s[a+1],m=s[a+2],_=s[a+3];if(o===0){e[t+0]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u;return}if(o===1){e[t+0]=f,e[t+1]=p,e[t+2]=m,e[t+3]=_;return}if(u!==_||l!==f||c!==p||h!==m){let A=1-o;const g=l*f+c*p+h*m+u*_,v=g>=0?1:-1,y=1-g*g;if(y>Number.EPSILON){const S=Math.sqrt(y),M=Math.atan2(S,g*v);A=Math.sin(A*M)/S,o=Math.sin(o*M)/S}const w=o*v;if(l=l*A+f*w,c=c*A+p*w,h=h*A+m*w,u=u*A+_*w,A===1-o){const S=1/Math.sqrt(l*l+c*c+h*h+u*u);l*=S,c*=S,h*=S,u*=S}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,i,s,a){const o=n[i],l=n[i+1],c=n[i+2],h=n[i+3],u=s[a],f=s[a+1],p=s[a+2],m=s[a+3];return e[t]=o*m+h*u+l*p-c*f,e[t+1]=l*m+h*f+c*u-o*p,e[t+2]=c*m+h*p+o*f-l*u,e[t+3]=h*m-o*u-l*f-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,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){const n=e._x,i=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(n/2),h=o(i/2),u=o(s/2),f=l(n/2),p=l(i/2),m=l(s/2);switch(a){case"XYZ":this._x=f*h*u+c*p*m,this._y=c*p*u-f*h*m,this._z=c*h*m+f*p*u,this._w=c*h*u-f*p*m;break;case"YXZ":this._x=f*h*u+c*p*m,this._y=c*p*u-f*h*m,this._z=c*h*m-f*p*u,this._w=c*h*u+f*p*m;break;case"ZXY":this._x=f*h*u-c*p*m,this._y=c*p*u+f*h*m,this._z=c*h*m+f*p*u,this._w=c*h*u-f*p*m;break;case"ZYX":this._x=f*h*u-c*p*m,this._y=c*p*u+f*h*m,this._z=c*h*m-f*p*u,this._w=c*h*u+f*p*m;break;case"YZX":this._x=f*h*u+c*p*m,this._y=c*p*u+f*h*m,this._z=c*h*m-f*p*u,this._w=c*h*u-f*p*m;break;case"XZY":this._x=f*h*u-c*p*m,this._y=c*p*u-f*h*m,this._z=c*h*m+f*p*u,this._w=c*h*u+f*p*m;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],h=t[6],u=t[10],f=n+o+u;if(f>0){const p=.5/Math.sqrt(f+1);this._w=.25/p,this._x=(h-l)*p,this._y=(s-c)*p,this._z=(a-i)*p}else if(n>o&&n>u){const p=2*Math.sqrt(1+n-o-u);this._w=(h-l)/p,this._x=.25*p,this._y=(i+a)/p,this._z=(s+c)/p}else if(o>u){const p=2*Math.sqrt(1+o-n-u);this._w=(s-c)/p,this._x=(i+a)/p,this._y=.25*p,this._z=(l+h)/p}else{const p=2*Math.sqrt(1+u-n-o);this._w=(a-i)/p,this._x=(s+c)/p,this._y=(l+h)/p,this._z=.25*p}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(Cn(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,a=e._w,o=t._x,l=t._y,c=t._z,h=t._w;return this._x=n*h+a*o+i*c-s*l,this._y=i*h+a*l+s*o-n*c,this._z=s*h+a*c+n*l-i*o,this._w=a*h-n*o-i*l-s*c,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,a=this._w;let o=a*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=a,this._x=n,this._y=i,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*n+t*this._x,this._y=p*i+t*this._y,this._z=p*s+t*this._z,this.normalize(),this._onChangeCallback(),this}const c=Math.sqrt(l),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,f=Math.sin(t*h)/c;return this._w=a*u+this._w*f,this._x=n*u+this._x*f,this._y=i*u+this._y*f,this._z=s*u+this._z*f,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),s=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(s),n*Math.cos(s),t*Math.sin(i))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this}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 I{constructor(e=0,t=0,n=0){I.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(Z_.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Z_.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,a=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])*a,this.y=(s[1]*t+s[5]*n+s[9]*i+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*i+s[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=l*t+a*i-o*n,h=l*n+o*t-s*i,u=l*i+s*n-a*t,f=-s*t-a*n-o*i;return this.x=c*l+f*-s+h*-o-u*-a,this.y=h*l+f*-a+u*-s-c*-o,this.z=u*l+f*-o+c*-a-h*-s,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*i,this.y=s[1]*t+s[5]*n+s[9]*i,this.z=s[2]*t+s[6]*n+s[10]*i,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this}clampScalar(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=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,a=t.x,o=t.y,l=t.z;return this.x=i*l-s*o,this.y=s*a-n*l,this.z=n*o-i*a,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 zp.copy(this).projectOnVector(e),this.sub(zp)}reflect(e){return this.sub(zp.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(Cn(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()-.5)*2,t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const zp=new I,Z_=new st;class Ci{constructor(e=new I(1/0,1/0,1/0),t=new I(-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(or.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(or.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=or.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){if(e.updateWorldMatrix(!1,!1),e.boundingBox!==void 0)e.boundingBox===null&&e.computeBoundingBox(),Go.copy(e.boundingBox),Go.applyMatrix4(e.matrixWorld),this.union(Go);else{const i=e.geometry;if(i!==void 0)if(t&&i.attributes!==void 0&&i.attributes.position!==void 0){const s=i.attributes.position;for(let a=0,o=s.count;a<o;a++)or.fromBufferAttribute(s,a).applyMatrix4(e.matrixWorld),this.expandByPoint(or)}else i.boundingBox===null&&i.computeBoundingBox(),Go.copy(i.boundingBox),Go.applyMatrix4(e.matrixWorld),this.union(Go)}const n=e.children;for(let i=0,s=n.length;i<s;i++)this.expandByObject(n[i],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,or),or.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(yc),fu.subVectors(this.max,yc),zo.subVectors(e.a,yc),Qo.subVectors(e.b,yc),Ho.subVectors(e.c,yc),Br.subVectors(Qo,zo),Lr.subVectors(Ho,Qo),wa.subVectors(zo,Ho);let t=[0,-Br.z,Br.y,0,-Lr.z,Lr.y,0,-wa.z,wa.y,Br.z,0,-Br.x,Lr.z,0,-Lr.x,wa.z,0,-wa.x,-Br.y,Br.x,0,-Lr.y,Lr.x,0,-wa.y,wa.x,0];return!Qp(t,zo,Qo,Ho,fu)||(t=[1,0,0,0,1,0,0,0,1],!Qp(t,zo,Qo,Ho,fu))?!1:(pu.crossVectors(Br,Lr),t=[pu.x,pu.y,pu.z],Qp(t,zo,Qo,Ho,fu))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,or).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(or).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:(ar[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),ar[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),ar[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),ar[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),ar[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),ar[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),ar[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),ar[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(ar),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 ar=[new I,new I,new I,new I,new I,new I,new I,new I],or=new I,Go=new Ci,zo=new I,Qo=new I,Ho=new I,Br=new I,Lr=new I,wa=new I,yc=new I,fu=new I,pu=new I,Ea=new I;function Qp(r,e,t,n,i){for(let s=0,a=r.length-3;s<=a;s+=3){Ea.fromArray(r,s);const o=i.x*Math.abs(Ea.x)+i.y*Math.abs(Ea.y)+i.z*Math.abs(Ea.z),l=e.dot(Ea),c=t.dot(Ea),h=n.dot(Ea);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>o)return!1}return!0}const mM=new Ci,_c=new I,Hp=new I;class xi{constructor(e=new I,t=-1){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):mM.setFromPoints(e).getCenter(n);let i=0;for(let s=0,a=e.length;s<a;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;_c.subVectors(e,this.center);const t=_c.lengthSq();if(t>this.radius*this.radius){const n=Math.sqrt(t),i=(n-this.radius)*.5;this.center.addScaledVector(_c,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):(Hp.subVectors(e.center,this.center).setLength(e.radius),t