skin3d/assets/index.js

A fast, customizable Minecraft skin viewer powered by Three.js. Easily render and preview Minecraft skins in 3D for your projects.

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 * @license
 * Copyright 2010-2023 Three.js Authors
 * SPDX-License-Identifier: MIT
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t;if(e instanceof HTMLCanvasElement)t=e;else{On===void 0&&(On=ls("canvas")),On.width=e.width,On.height=e.height;const n=On.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=On}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=ls("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const s=n.getImageData(0,0,e.width,e.height),r=s.data;for(let o=0;o<r.length;o++)r[o]=ri(r[o]/255)*255;return n.putImageData(s,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(ri(t[n]/255)*255):t[n]=ri(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 mc=0;class Eo{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:mc++}),this.uuid=_n(),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:""},s=this.data;if(s!==null){let r;if(Array.isArray(s)){r=[];for(let o=0,a=s.length;o<a;o++)s[o].isDataTexture?r.push(Us(s[o].image)):r.push(Us(s[o]))}else r=Us(s);n.url=r}return t||(e.images[this.uuid]=n),n}}function Us(i){return typeof HTMLImageElement<"u"&&i instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&i instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&i instanceof ImageBitmap?So.getDataURL(i):i.data?{data:Array.from(i.data),width:i.width,height:i.height,type:i.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let gc=0;class gt extends Dn{constructor(e=gt.DEFAULT_IMAGE,t=gt.DEFAULT_MAPPING,n=zt,s=zt,r=Ut,o=bi,a=kt,l=gn,c=gt.DEFAULT_ANISOTROPY,h=Ln){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:gc++}),this.uuid=_n(),this.name="",this.source=new Eo(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=s,this.magFilter=r,this.minFilter=o,this.anisotropy=c,this.format=a,this.internalFormat=null,this.type=l,this.offset=new _e(0,0),this.repeat=new _e(1,1),this.center=new _e(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ne,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,typeof h=="string"?this.colorSpace=h:(yi("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=h===Cn?Ke:Ln),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[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!==ho)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case rr:e.x=e.x-Math.floor(e.x);break;case zt:e.x=e.x<0?0:1;break;case ar: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 rr:e.y=e.y-Math.floor(e.y);break;case zt:e.y=e.y<0?0:1;break;case ar: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)}get encoding(){return yi("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===Ke?Cn:xo}set encoding(e){yi("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=e===Cn?Ke:Ln}}gt.DEFAULT_IMAGE=null;gt.DEFAULT_MAPPING=ho;gt.DEFAULT_ANISOTROPY=1;class Ze{constructor(e=0,t=0,n=0,s=1){Ze.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=s}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,s){return this.x=e,this.y=t,this.z=n,this.w=s,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,s=this.z,r=this.w,o=e.elements;return this.x=o[0]*t+o[4]*n+o[8]*s+o[12]*r,this.y=o[1]*t+o[5]*n+o[9]*s+o[13]*r,this.z=o[2]*t+o[6]*n+o[10]*s+o[14]*r,this.w=o[3]*t+o[7]*n+o[11]*s+o[15]*r,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,s,r;const l=e.elements,c=l[0],h=l[4],d=l[8],f=l[1],m=l[5],_=l[9],v=l[2],p=l[6],u=l[10];if(Math.abs(h-f)<.01&&Math.abs(d-v)<.01&&Math.abs(_-p)<.01){if(Math.abs(h+f)<.1&&Math.abs(d+v)<.1&&Math.abs(_+p)<.1&&Math.abs(c+m+u-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const x=(c+1)/2,R=(m+1)/2,A=(u+1)/2,L=(h+f)/4,T=(d+v)/4,G=(_+p)/4;return x>R&&x>A?x<.01?(n=0,s=.707106781,r=.707106781):(n=Math.sqrt(x),s=L/n,r=T/n):R>A?R<.01?(n=.707106781,s=0,r=.707106781):(s=Math.sqrt(R),n=L/s,r=G/s):A<.01?(n=.707106781,s=.707106781,r=0):(r=Math.sqrt(A),n=T/r,s=G/r),this.set(n,s,r,t),this}let b=Math.sqrt((p-_)*(p-_)+(d-v)*(d-v)+(f-h)*(f-h));return Math.abs(b)<.001&&(b=1),this.x=(p-_)/b,this.y=(d-v)/b,this.z=(f-h)/b,this.w=Math.acos((c+m+u-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 _c extends Dn{constructor(e=1,t=1,n={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new Ze(0,0,e,t),this.scissorTest=!1,this.viewport=new Ze(0,0,e,t);const s={width:e,height:t,depth:1};n.encoding!==void 0&&(yi("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===Cn?Ke:Ln),this.texture=new gt(s,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!==void 0?n.generateMipmaps:!1,this.texture.internalFormat=n.internalFormat!==void 0?n.internalFormat:null,this.texture.minFilter=n.minFilter!==void 0?n.minFilter:Ut,this.depthBuffer=n.depthBuffer!==void 0?n.depthBuffer:!0,this.stencilBuffer=n.stencilBuffer!==void 0?n.stencilBuffer:!1,this.depthTexture=n.depthTexture!==void 0?n.depthTexture:null,this.samples=n.samples!==void 0?n.samples:0}setSize(e,t,n=1){(this.width!==e||this.height!==t||this.depth!==n)&&(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.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 Eo(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class an extends _c{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class yo extends gt{constructor(e=null,t=1,n=1,s=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:s},this.magFilter=$e,this.minFilter=$e,this.wrapR=zt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class xc extends gt{constructor(e=null,t=1,n=1,s=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:s},this.magFilter=$e,this.minFilter=$e,this.wrapR=zt,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Pn{constructor(e=0,t=0,n=0,s=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=s}static slerpFlat(e,t,n,s,r,o,a){let l=n[s+0],c=n[s+1],h=n[s+2],d=n[s+3];const f=r[o+0],m=r[o+1],_=r[o+2],v=r[o+3];if(a===0){e[t+0]=l,e[t+1]=c,e[t+2]=h,e[t+3]=d;return}if(a===1){e[t+0]=f,e[t+1]=m,e[t+2]=_,e[t+3]=v;return}if(d!==v||l!==f||c!==m||h!==_){let p=1-a;const u=l*f+c*m+h*_+d*v,b=u>=0?1:-1,x=1-u*u;if(x>Number.EPSILON){const A=Math.sqrt(x),L=Math.atan2(A,u*b);p=Math.sin(p*L)/A,a=Math.sin(a*L)/A}const R=a*b;if(l=l*p+f*R,c=c*p+m*R,h=h*p+_*R,d=d*p+v*R,p===1-a){const A=1/Math.sqrt(l*l+c*c+h*h+d*d);l*=A,c*=A,h*=A,d*=A}}e[t]=l,e[t+1]=c,e[t+2]=h,e[t+3]=d}static multiplyQuaternionsFlat(e,t,n,s,r,o){const a=n[s],l=n[s+1],c=n[s+2],h=n[s+3],d=r[o],f=r[o+1],m=r[o+2],_=r[o+3];return e[t]=a*_+h*d+l*m-c*f,e[t+1]=l*_+h*f+c*d-a*m,e[t+2]=c*_+h*m+a*f-l*d,e[t+3]=h*_-a*d-l*f-c*m,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,s){return this._x=e,this._y=t,this._z=n,this._w=s,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,s=e._y,r=e._z,o=e._order,a=Math.cos,l=Math.sin,c=a(n/2),h=a(s/2),d=a(r/2),f=l(n/2),m=l(s/2),_=l(r/2);switch(o){case"XYZ":this._x=f*h*d+c*m*_,this._y=c*m*d-f*h*_,this._z=c*h*_+f*m*d,this._w=c*h*d-f*m*_;break;case"YXZ":this._x=f*h*d+c*m*_,this._y=c*m*d-f*h*_,this._z=c*h*_-f*m*d,this._w=c*h*d+f*m*_;break;case"ZXY":this._x=f*h*d-c*m*_,this._y=c*m*d+f*h*_,this._z=c*h*_+f*m*d,this._w=c*h*d-f*m*_;break;case"ZYX":this._x=f*h*d-c*m*_,this._y=c*m*d+f*h*_,this._z=c*h*_-f*m*d,this._w=c*h*d+f*m*_;break;case"YZX":this._x=f*h*d+c*m*_,this._y=c*m*d+f*h*_,this._z=c*h*_-f*m*d,this._w=c*h*d-f*m*_;break;case"XZY":this._x=f*h*d-c*m*_,this._y=c*m*d-f*h*_,this._z=c*h*_+f*m*d,this._w=c*h*d+f*m*_;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+o)}return t!==!1&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,s=Math.sin(n);return this._x=e.x*s,this._y=e.y*s,this._z=e.z*s,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],s=t[4],r=t[8],o=t[1],a=t[5],l=t[9],c=t[2],h=t[6],d=t[10],f=n+a+d;if(f>0){const m=.5/Math.sqrt(f+1);this._w=.25/m,this._x=(h-l)*m,this._y=(r-c)*m,this._z=(o-s)*m}else if(n>a&&n>d){const m=2*Math.sqrt(1+n-a-d);this._w=(h-l)/m,this._x=.25*m,this._y=(s+o)/m,this._z=(r+c)/m}else if(a>d){const m=2*Math.sqrt(1+a-n-d);this._w=(r-c)/m,this._x=(s+o)/m,this._y=.25*m,this._z=(l+h)/m}else{const m=2*Math.sqrt(1+d-n-a);this._w=(o-s)/m,this._x=(r+c)/m,this._y=(l+h)/m,this._z=.25*m}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(Et(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(n===0)return this;const s=Math.min(1,t/n);return this.slerp(e,s),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,s=e._y,r=e._z,o=e._w,a=t._x,l=t._y,c=t._z,h=t._w;return this._x=n*h+o*a+s*c-r*l,this._y=s*h+o*l+r*a-n*c,this._z=r*h+o*c+n*l-s*a,this._w=o*h-n*a-s*l-r*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const n=this._x,s=this._y,r=this._z,o=this._w;let a=o*e._w+n*e._x+s*e._y+r*e._z;if(a<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,a=-a):this.copy(e),a>=1)return this._w=o,this._x=n,this._y=s,this._z=r,this;const l=1-a*a;if(l<=Number.EPSILON){const m=1-t;return this._w=m*o+t*this._w,this._x=m*n+t*this._x,this._y=m*s+t*this._y,this._z=m*r+t*this._z,this.normalize(),this._onChangeCallback(),this}const c=Math.sqrt(l),h=Math.atan2(c,a),d=Math.sin((1-t)*h)/c,f=Math.sin(t*h)/c;return this._w=o*d+this._w*f,this._x=n*d+this._x*f,this._y=s*d+this._y*f,this._z=r*d+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),s=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(t*Math.cos(s),n*Math.sin(r),n*Math.cos(r),t*Math.sin(s))}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 D{constructor(e=0,t=0,n=0){D.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(ha.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(ha.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,s=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*s,this.y=r[1]*t+r[4]*n+r[7]*s,this.z=r[2]*t+r[5]*n+r[8]*s,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,s=this.z,r=e.elements,o=1/(r[3]*t+r[7]*n+r[11]*s+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*s+r[12])*o,this.y=(r[1]*t+r[5]*n+r[9]*s+r[13])*o,this.z=(r[2]*t+r[6]*n+r[10]*s+r[14])*o,this}applyQuaternion(e){const t=this.x,n=this.y,s=this.z,r=e.x,o=e.y,a=e.z,l=e.w,c=l*t+o*s-a*n,h=l*n+a*t-r*s,d=l*s+r*n-o*t,f=-r*t-o*n-a*s;return this.x=c*l+f*-r+h*-a-d*-o,this.y=h*l+f*-o+d*-r-c*-a,this.z=d*l+f*-a+c*-o-h*-r,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,s=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*s,this.y=r[1]*t+r[5]*n+r[9]*s,this.z=r[2]*t+r[6]*n+r[10]*s,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,s=e.y,r=e.z,o=t.x,a=t.y,l=t.z;return this.x=s*l-r*a,this.y=r*o-n*l,this.z=n*a-s*o,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 Is.copy(this).projectOnVector(e),this.sub(Is)}reflect(e){return this.sub(Is.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(Et(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,s=this.z-e.z;return t*t+n*n+s*s}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 s=Math.sin(t)*e;return this.x=s*Math.sin(n),this.y=Math.cos(t)*e,this.z=s*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(),s=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=s,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 Is=new D,ha=new Pn;class wi{constructor(e=new D(1/0,1/0,1/0),t=new D(-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(jt.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(jt.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=jt.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(),Fn.copy(e.boundingBox),Fn.applyMatrix4(e.matrixWorld),this.union(Fn);else{const s=e.geometry;if(s!==void 0)if(t&&s.attributes!==void 0&&s.attributes.position!==void 0){const r=s.attributes.position;for(let o=0,a=r.count;o<a;o++)jt.fromBufferAttribute(r,o).applyMatrix4(e.matrixWorld),this.expandByPoint(jt)}else s.boundingBox===null&&s.computeBoundingBox(),Fn.copy(s.boundingBox),Fn.applyMatrix4(e.matrixWorld),this.union(Fn)}const n=e.children;for(let s=0,r=n.length;s<r;s++)this.expandByObject(n[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,jt),jt.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(pi),Li.subVectors(this.max,pi),Bn.subVectors(e.a,pi),zn.subVectors(e.b,pi),kn.subVectors(e.c,pi),cn.subVectors(zn,Bn),hn.subVectors(kn,zn),Mn.subVectors(Bn,kn);let t=[0,-cn.z,cn.y,0,-hn.z,hn.y,0,-Mn.z,Mn.y,cn.z,0,-cn.x,hn.z,0,-hn.x,Mn.z,0,-Mn.x,-cn.y,cn.x,0,-hn.y,hn.x,0,-Mn.y,Mn.x,0];return!Ns(t,Bn,zn,kn,Li)||(t=[1,0,0,0,1,0,0,0,1],!Ns(t,Bn,zn,kn,Li))?!1:(Pi.crossVectors(cn,hn),t=[Pi.x,Pi.y,Pi.z],Ns(t,Bn,zn,kn,Li))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,jt).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(jt).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:(Yt[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Yt[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Yt[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Yt[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Yt[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Yt[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Yt[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Yt[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Yt),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 Yt=[new D,new D,new D,new D,new D,new D,new D,new D],jt=new D,Fn=new wi,Bn=new D,zn=new D,kn=new D,cn=new D,hn=new D,Mn=new D,pi=new D,Li=new D,Pi=new D,Sn=new D;function Ns(i,e,t,n,s){for(let r=0,o=i.length-3;r<=o;r+=3){Sn.fromArray(i,r);const a=s.x*Math.abs(Sn.x)+s.y*Math.abs(Sn.y)+s.z*Math.abs(Sn.z),l=e.dot(Sn),c=t.dot(Sn),h=n.dot(Sn);if(Math.max(-Math.max(l,c,h),Math.min(l,c,h))>a)return!1}return!0}const vc=new wi,mi=new D,Os=new D;class _r{constructor(e=new D,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):vc.setFromPoints(e).getCenter(n);let s=0;for(let r=0,o=e.length;r<o;r++)s=Math.max(s,n.distanceToSquared(e[r]));return this.radius=Math.sqrt(s),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;mi.subVectors(e,this.center);const t=mi.lengthSq();if(t>this.radius*this.radius){const n=Math.sqrt(t),s=(n-this.radius)*.5;this.center.addScaledVector(mi,s/n),this.radius+=s}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):(Os.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(mi.copy(e.center).add(Os)),this.expandByPoint(mi.copy(e.center).sub(Os))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}const Kt=new D,Fs=new D,Di=new D,un=new D,Bs=new D,Ui=new D,zs=new D;class To{constructor(e=new D,t=new D(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,Kt)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=Kt.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Kt.copy(this.origin).addScaledVector(this.direction,t),Kt.distanceToSquared(e))}distanceSqToSegment(e,t,n,s){Fs.copy(e).add(t).multiplyScalar(.5),Di.copy(t).sub(e).normalize(),un.copy(this.origin).sub(Fs);const r=e.distanceTo(t)*.5,o=-this.direction.dot(Di),a=un.dot(this.direction),l=-un.dot(Di),c=un.lengthSq(),h=Math.abs(1-o*o);let d,f,m,_;if(h>0)if(d=o*l-a,f=o*a-l,_=r*h,d>=0)if(f>=-_)if(f<=_){const v=1/h;d*=v,f*=v,m=d*(d+o*f+2*a)+f*(o*d+f+2*l)+c}else f=r,d=Math.max(0,-(o*f+a)),m=-d*d+f*(f+2*l)+c;else f=-r,d=Math.max(0,-(o*f+a)),m=-d*d+f*(f+2*l)+c;else f<=-_?(d=Math.max(0,-(-o*r+a)),f=d>0?-r:Math.min(Math.max(-r,-l),r),m=-d*d+f*(f+2*l)+c):f<=_?(d=0,f=Math.min(Math.max(-r,-l),r),m=f*(f+2*l)+c):(d=Math.max(0,-(o*r+a)),f=d>0?r:Math.min(Math.max(-r,-l),r),m=-d*d+f*(f+2*l)+c);el