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All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const et=null!=navigator.xr&&null!=self.XRSession&&null!=navigator.xr.isSessionSupported,nt=et&&self.XRSession.prototype.requestHitTestSource,it=null!=self.ResizeObserver,rt=null!=self.IntersectionObserver,st=nt;(()=>{const t=navigator.userAgent||navigator.vendor||self.opera;let e=!1;(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(t)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(t.substr(0,4)))&&(e=!0)})(),/\bCrOS\b/.test(navigator.userAgent);const at=/android/i.test(navigator.userAgent),ot=/iPad|iPhone|iPod/.test(navigator.userAgent)&&!self.MSStream||"MacIntel"===navigator.platform&&navigator.maxTouchPoints>1,lt=(()=>{const t=document.createElement("a");return Boolean(t.relList&&t.relList.supports&&t.relList.supports("ar"))})();/Safari\//.test(navigator.userAgent);const ct=/firefox/i.test(navigator.userAgent),ht=/OculusBrowser/.test(navigator.userAgent);ot&&/CriOS\//.test(navigator.userAgent);const ut=at&&!ct&&!ht; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const dt=U`
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this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const n=Math.cos(e),i=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*n-s*i+t.x,this.y=r*i+s*n+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}At.prototype.isVector2=!0;class Lt{constructor(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}set(t,e,n,i,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],y=i[4],x=i[7],b=i[2],w=i[5],_=i[8];return r[0]=s*m+a*v+o*b,r[3]=s*f+a*y+o*w,r[6]=s*g+a*x+o*_,r[1]=l*m+c*v+h*b,r[4]=l*f+c*y+h*w,r[7]=l*g+c*x+h*_,r[2]=u*m+d*v+p*b,r[5]=u*f+d*y+p*w,r[8]=u*g+d*x+p*_,this}multiplyScalar(t){const 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this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){const n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this}rotate(t){const e=Math.cos(t),n=Math.sin(t),i=this.elements,r=i[0],s=i[3],a=i[6],o=i[1],l=i[4],c=i[7];return i[0]=e*r+n*o,i[3]=e*s+n*l,i[6]=e*a+n*c,i[1]=-n*r+e*o,i[4]=-n*s+e*l,i[7]=-n*a+e*c,this}translate(t,e){const n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}function Rt(t){if(0===t.length)return-1/0;let e=t[0];for(let n=1,i=t.length;ne&&(e=t[n]);return e}function Ct(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}let Pt;Lt.prototype.isMatrix3=!0;class It{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===Pt&&(Pt=Ct("canvas")),Pt.width=t.width,Pt.height=t.height;const n=Pt.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=Pt}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}}let Dt=0;class Nt extends pt{constructor(t=Nt.DEFAULT_IMAGE,e=Nt.DEFAULT_MAPPING,n=1001,i=1001,r=1006,s=1008,a=1023,o=1009,l=1,c=3e3){super(),Object.defineProperty(this,"id",{value:Dt++}),this.uuid=xt(),this.name="",this.image=t,this.mipmaps=[],this.mapping=e,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new At(0,0),this.repeat=new At(1,1),this.center=new At(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Lt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.image=t.image,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){const i=this.image;if(void 0===i.uuid&&(i.uuid=xt()),!e&&void 0===t.images[i.uuid]){let e;if(Array.isArray(i)){e=[];for(let t=0,n=i.length;t1)switch(this.wrapS){case 1e3:t.x=t.x-Math.floor(t.x);break;case 1001:t.x=t.x<0?0:1;break;case 1002:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case 1e3:t.y=t.y-Math.floor(t.y);break;case 1001:t.y=t.y<0?0:1;break;case 1002:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&this.version++}}function Ft(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?It.getDataURL(t):t.data?{data:Array.prototype.slice.call(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}Nt.DEFAULT_IMAGE=void 0,Nt.DEFAULT_MAPPING=300,Nt.prototype.isTexture=!0;class Ot{constructor(t=0,e=0,n=0,i=1){this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t,e){return void 0!==e?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*n+s[8]*i+s[12]*r,this.y=s[1]*e+s[5]*n+s[9]*i+s[13]*r,this.z=s[2]*e+s[6]*n+s[10]*i+s[14]*r,this.w=s[3]*e+s[7]*n+s[11]*i+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)o&&t>v?tv?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),s=Math.atan2(r,e*n);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,s){const a=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e){if(!t||!t.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");const n=t._x,i=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(n/2),c=a(i/2),h=a(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!1!==e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-i)*t}else if(n>a&&n>h){const t=2*Math.sqrt(1+n-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-n-h);this._w=(r-l)/t,this._x=(i+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-a);this._w=(s-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return nMath.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(bt(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t,e){return void 0!==e?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(t,e)):this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+s*a+i*l-r*o,this._y=i*c+s*o+r*a-n*l,this._z=r*c+s*l+n*o-i*a,this._w=s*c-n*a-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,s=this._w;let a=s*t._w+n*t._x+i*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=n,this._y=i,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){this.copy(t).slerp(e,n)}random(){const t=Math.random(),e=Math.sqrt(1-t),n=Math.sqrt(t),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(e*Math.cos(i),n*Math.sin(r),n*Math.cos(r),e*Math.sin(i))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}zt.prototype.isQuaternion=!0;class Bt{constructor(t=0,e=0,n=0){this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t,e){return void 0!==e?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(t,e)):(this.x+=t.x,this.y+=t.y,this.z+=t.z,this)}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t,e){return void 0!==e?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(t,e)):(this.x-=t.x,this.y-=t.y,this.z-=t.z,this)}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t,e){return void 0!==e?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(t,e)):(this.x*=t.x,this.y*=t.y,this.z*=t.z,this)}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return t&&t.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(Vt.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Vt.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,s=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*s,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*s,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*s,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=o*e+s*i-a*n,c=o*n+a*e-r*i,h=o*i+r*n-s*e,u=-r*e-s*n-a*i;return this.x=l*o+u*-r+c*-a-h*-s,this.y=c*o+u*-s+h*-r-l*-a,this.z=h*o+u*-a+l*-s-c*-r,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(t,Math.min(e,n)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t,e){return void 0!==e?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(t,e)):this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=i*o-r*a,this.y=r*s-n*o,this.z=n*a-i*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ht.copy(this).projectOnVector(t),this.sub(Ht)}reflect(t){return this.sub(Ht.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(bt(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=2*(Math.random()-.5),e=Math.random()*Math.PI*2,n=Math.sqrt(1-t**2);return this.x=n*Math.cos(e),this.y=n*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}Bt.prototype.isVector3=!0;const Ht=new Bt,Vt=new zt;class Gt{constructor(t=new Bt(1/0,1/0,1/0),e=new Bt(-1/0,-1/0,-1/0)){this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.length;or&&(r=l),c>s&&(s=c),h>a&&(a=h)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromBufferAttribute(t){let e=1/0,n=1/0,i=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.count;or&&(r=l),c>s&&(s=c),h>a&&(a=h)}return this.min.set(e,n,i),this.max.set(r,s,a),this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;ethis.max.x||t.ythis.max.y||t.zthis.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.xthis.max.x||t.max.ythis.max.y||t.max.zthis.max.z)}intersectsSphere(t){return this.clampPoint(t.center,jt),jt.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(Qt),te.subVectors(this.max,Qt),Xt.subVectors(t.a,Qt),Yt.subVectors(t.b,Qt),Zt.subVectors(t.c,Qt),Jt.subVectors(Yt,Xt),$t.subVectors(Zt,Yt),Kt.subVectors(Xt,Zt);let e=[0,-Jt.z,Jt.y,0,-$t.z,$t.y,0,-Kt.z,Kt.y,Jt.z,0,-Jt.x,$t.z,0,-$t.x,Kt.z,0,-Kt.x,-Jt.y,Jt.x,0,-$t.y,$t.x,0,-Kt.y,Kt.x,0];return!!ie(e,Xt,Yt,Zt,te)&&(e=[1,0,0,0,1,0,0,0,1],!!ie(e,Xt,Yt,Zt,te)&&(ee.crossVectors(Jt,$t),e=[ee.x,ee.y,ee.z],ie(e,Xt,Yt,Zt,te)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return jt.copy(t).clamp(this.min,this.max).sub(t).length()}getBoundingSphere(t){return this.getCenter(t.center),t.radius=.5*this.getSize(jt).length(),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Wt[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Wt[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Wt[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Wt[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Wt[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Wt[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Wt[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Wt[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Wt)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}Gt.prototype.isBox3=!0;const Wt=[new Bt,new Bt,new Bt,new Bt,new Bt,new Bt,new Bt,new Bt],jt=new Bt,qt=new Gt,Xt=new Bt,Yt=new Bt,Zt=new Bt,Jt=new Bt,$t=new Bt,Kt=new Bt,Qt=new Bt,te=new Bt,ee=new Bt,ne=new Bt;function ie(t,e,n,i,r){for(let s=0,a=t.length-3;s<=a;s+=3){ne.fromArray(t,s);const a=r.x*Math.abs(ne.x)+r.y*Math.abs(ne.y)+r.z*Math.abs(ne.z),o=e.dot(ne),l=n.dot(ne),c=i.dot(ne);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const re=new Gt,se=new Bt,ae=new Bt,oe=new Bt;class le{constructor(t=new Bt,e=-1){this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):re.setFromPoints(t).getCenter(n);let i=0;for(let e=0,r=t.length;ethis.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){oe.subVectors(t,this.center);const e=oe.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.add(oe.multiplyScalar(n/t)),this.radius+=n}return this}union(t){return ae.subVectors(t.center,this.center).normalize().multiplyScalar(t.radius),this.expandByPoint(se.copy(t.center).add(ae)),this.expandByPoint(se.copy(t.center).sub(ae)),this}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const ce=new Bt,he=new Bt,ue=new Bt,de=new Bt,pe=new Bt,me=new Bt,fe=new Bt;class ge{constructor(t=new Bt,e=new Bt(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.direction).multiplyScalar(t).add(this.origin)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,ce)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const n=e.dot(this.direction);return n<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(n).add(this.origin)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=ce.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(ce.copy(this.direction).multiplyScalar(e).add(this.origin),ce.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){he.copy(t).add(e).multiplyScalar(.5),ue.copy(e).sub(t).normalize(),de.copy(this.origin).sub(he);const r=.5*t.distanceTo(e),s=-this.direction.dot(ue),a=de.dot(this.direction),o=-de.dot(ue),l=de.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.direction).multiplyScalar(h).add(this.origin),i&&i.copy(ue).multiplyScalar(u).add(he),d}intersectSphere(t,e){ce.subVectors(t.center,this.origin);const n=ce.dot(this.direction),i=ce.dot(ce)-n*n,r=t.radius*t.radius;if(i>r)return null;const s=Math.sqrt(r-i),a=n-s,o=n+s;return a<0&&o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(t.normal)+t.constant)/e;return n>=0?n:null}intersectPlane(t,e){const n=this.distanceToPlane(t);return null===n?null:this.at(n,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let n,i,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(t.min.x-u.x)*l,i=(t.max.x-u.x)*l):(n=(t.max.x-u.x)*l,i=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),n>s||r>i?null:((r>n||n!=n)&&(n=r),(s=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||a>i?null:((a>n||n!=n)&&(n=a),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,ce)}intersectTriangle(t,e,n,i,r){pe.subVectors(e,t),me.subVectors(n,t),fe.crossVectors(pe,me);let s,a=this.direction.dot(fe);if(a>0){if(i)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}de.subVectors(this.origin,t);const o=s*this.direction.dot(me.crossVectors(de,me));if(o<0)return null;const l=s*this.direction.dot(pe.cross(de));if(l<0)return null;if(o+l>a)return null;const c=-s*de.dot(fe);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class ve{constructor(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}set(t,e,n,i,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new ve).fromArray(this.elements)}copy(t){const e=this.elements,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],e[9]=n[9],e[10]=n[10],e[11]=n[11],e[12]=n[12],e[13]=n[13],e[14]=n[14],e[15]=n[15],this}copyPosition(t){const e=this.elements,n=t.elements;return e[12]=n[12],e[13]=n[13],e[14]=n[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,n){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(t,e,n){return this.set(t.x,e.x,n.x,0,t.y,e.y,n.y,0,t.z,e.z,n.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,n=t.elements,i=1/ye.setFromMatrixColumn(t,0).length(),r=1/ye.setFromMatrixColumn(t,1).length(),s=1/ye.setFromMatrixColumn(t,2).length();return e[0]=n[0]*i,e[1]=n[1]*i,e[2]=n[2]*i,e[3]=0,e[4]=n[4]*r,e[5]=n[5]*r,e[6]=n[6]*r,e[7]=0,e[8]=n[8]*s,e[9]=n[9]*s,e[10]=n[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){t&&t.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");const e=this.elements,n=t.x,i=t.y,r=t.z,s=Math.cos(n),a=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*a,e[4]=i*a-n,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=n*a-i,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=i+n*a,e[1]=n+i*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,n=s*h,i=a*c,r=a*h;e[0]=o*c,e[4]=i*l-n,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=n*l-i,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,n=s*l,i=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(be,t,we)}lookAt(t,e,n){const i=this.elements;return Se.subVectors(t,e),0===Se.lengthSq()&&(Se.z=1),Se.normalize(),_e.crossVectors(n,Se),0===_e.lengthSq()&&(1===Math.abs(n.z)?Se.x+=1e-4:Se.z+=1e-4,Se.normalize(),_e.crossVectors(n,Se)),_e.normalize(),Me.crossVectors(Se,_e),i[0]=_e.x,i[4]=Me.x,i[8]=Se.x,i[1]=_e.y,i[5]=Me.y,i[9]=Se.y,i[2]=_e.z,i[6]=Me.z,i[10]=Se.z,this}multiply(t,e){return void 0!==e?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(t,e)):this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],m=n[6],f=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],w=i[0],_=i[4],M=i[8],S=i[12],T=i[1],E=i[5],A=i[9],L=i[13],R=i[2],C=i[6],P=i[10],I=i[14],D=i[3],N=i[7],F=i[11],O=i[15];return r[0]=s*w+a*T+o*R+l*D,r[4]=s*_+a*E+o*C+l*N,r[8]=s*M+a*A+o*P+l*F,r[12]=s*S+a*L+o*I+l*O,r[1]=c*w+h*T+u*R+d*D,r[5]=c*_+h*E+u*C+d*N,r[9]=c*M+h*A+u*P+d*F,r[13]=c*S+h*L+u*I+d*O,r[2]=p*w+m*T+f*R+g*D,r[6]=p*_+m*E+f*C+g*N,r[10]=p*M+m*A+f*P+g*F,r[14]=p*S+m*L+f*I+g*O,r[3]=v*w+y*T+x*R+b*D,r[7]=v*_+y*E+x*C+b*N,r[11]=v*M+y*A+x*P+b*F,r[15]=v*S+y*L+x*I+b*O,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],n=t[4],i=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-i*l*h-r*a*u+n*l*u+i*a*d-n*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-i*s*d+i*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+n*s*d+r*a*c-n*l*c)+t[15]*(-i*a*c-e*o*h+e*a*u+i*s*h-n*s*u+n*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,n){const i=this.elements;return t.isVector3?(i[12]=t.x,i[13]=t.y,i[14]=t.z):(i[12]=t,i[13]=e,i[14]=n),this}invert(){const t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,y=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,x=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,b=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,w=e*v+n*y+i*x+r*b;if(0===w)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const _=1/w;return t[0]=v*_,t[1]=(m*u*r-h*f*r-m*i*d+n*f*d+h*i*g-n*u*g)*_,t[2]=(a*f*r-m*o*r+m*i*l-n*f*l-a*i*g+n*o*g)*_,t[3]=(h*o*r-a*u*r-h*i*l+n*u*l+a*i*d-n*o*d)*_,t[4]=y*_,t[5]=(c*f*r-p*u*r+p*i*d-e*f*d-c*i*g+e*u*g)*_,t[6]=(p*o*r-s*f*r-p*i*l+e*f*l+s*i*g-e*o*g)*_,t[7]=(s*u*r-c*o*r+c*i*l-e*u*l-s*i*d+e*o*d)*_,t[8]=x*_,t[9]=(p*h*r-c*m*r-p*n*d+e*m*d+c*n*g-e*h*g)*_,t[10]=(s*m*r-p*a*r+p*n*l-e*m*l-s*n*g+e*a*g)*_,t[11]=(c*a*r-s*h*r-c*n*l+e*h*l+s*n*d-e*a*d)*_,t[12]=b*_,t[13]=(c*m*i-p*h*i+p*n*u-e*m*u-c*n*f+e*h*f)*_,t[14]=(p*a*i-s*m*i-p*n*o+e*m*o+s*n*f-e*a*f)*_,t[15]=(s*h*i-c*a*i+c*n*o-e*h*o-s*n*u+e*a*u)*_,this}scale(t){const e=this.elements,n=t.x,i=t.y,r=t.z;return e[0]*=n,e[4]*=i,e[8]*=r,e[1]*=n,e[5]*=i,e[9]*=r,e[2]*=n,e[6]*=i,e[10]*=r,e[3]*=n,e[7]*=i,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],n=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],i=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,n,i))}makeTranslation(t,e,n){return this.set(1,0,0,t,0,1,0,e,0,0,1,n,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),n=Math.sin(t);return this.set(1,0,0,0,0,e,-n,0,0,n,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,0,n,0,0,1,0,0,-n,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,0,n,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const n=Math.cos(e),i=Math.sin(e),r=1-n,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+n,l*a-i*o,l*o+i*a,0,l*a+i*o,c*a+n,c*o-i*s,0,l*o-i*a,c*o+i*s,r*o*o+n,0,0,0,0,1),this}makeScale(t,e,n){return this.set(t,0,0,0,0,e,0,0,0,0,n,0,0,0,0,1),this}makeShear(t,e,n,i,r,s){return this.set(1,n,r,0,t,1,s,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,y=o*c,x=o*h,b=n.x,w=n.y,_=n.z;return i[0]=(1-(m+g))*b,i[1]=(d+x)*b,i[2]=(p-y)*b,i[3]=0,i[4]=(d-x)*w,i[5]=(1-(u+g))*w,i[6]=(f+v)*w,i[7]=0,i[8]=(p+y)*_,i[9]=(f-v)*_,i[10]=(1-(u+m))*_,i[11]=0,i[12]=t.x,i[13]=t.y,i[14]=t.z,i[15]=1,this}decompose(t,e,n){const i=this.elements;let r=ye.set(i[0],i[1],i[2]).length();const s=ye.set(i[4],i[5],i[6]).length(),a=ye.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],xe.copy(this);const o=1/r,l=1/s,c=1/a;return xe.elements[0]*=o,xe.elements[1]*=o,xe.elements[2]*=o,xe.elements[4]*=l,xe.elements[5]*=l,xe.elements[6]*=l,xe.elements[8]*=c,xe.elements[9]*=c,xe.elements[10]*=c,e.setFromRotationMatrix(xe),n.x=r,n.y=s,n.z=a,this}makePerspective(t,e,n,i,r,s){void 0===s&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");const a=this.elements,o=2*r/(e-t),l=2*r/(n-i),c=(e+t)/(e-t),h=(n+i)/(n-i),u=-(s+r)/(s-r),d=-2*s*r/(s-r);return a[0]=o,a[4]=0,a[8]=c,a[12]=0,a[1]=0,a[5]=l,a[9]=h,a[13]=0,a[2]=0,a[6]=0,a[10]=u,a[14]=d,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,n,i,r,s){const a=this.elements,o=1/(e-t),l=1/(n-i),c=1/(s-r),h=(e+t)*o,u=(n+i)*l,d=(s+r)*c;return a[0]=2*o,a[4]=0,a[8]=0,a[12]=-h,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-u,a[2]=0,a[6]=0,a[10]=-2*c,a[14]=-d,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<16;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<16;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t[e+9]=n[9],t[e+10]=n[10],t[e+11]=n[11],t[e+12]=n[12],t[e+13]=n[13],t[e+14]=n[14],t[e+15]=n[15],t}}ve.prototype.isMatrix4=!0;const ye=new Bt,xe=new ve,be=new Bt(0,0,0),we=new Bt(1,1,1),_e=new Bt,Me=new Bt,Se=new Bt,Te=new ve,Ee=new zt;class Ae{constructor(t=0,e=0,n=0,i=Ae.DefaultOrder){this._x=t,this._y=e,this._z=n,this._order=i}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,n,i=this._order){return this._x=t,this._y=e,this._z=n,this._order=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,n=!0){const i=t.elements,r=i[0],s=i[4],a=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(e){case"XYZ":this._y=Math.asin(bt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-bt(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(bt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-bt(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(bt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-bt(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return Te.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Te,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return Ee.setFromEuler(this),this.setFromQuaternion(Ee,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}toVector3(t){return t?t.set(this._x,this._y,this._z):new Bt(this._x,this._y,this._z)}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}}Ae.prototype.isEuler=!0,Ae.DefaultOrder="XYZ",Ae.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class Le{constructor(){this.mask=1}set(t){this.mask=1<1){for(let t=0;t1){for(let t=0;t0){i.children=[];for(let e=0;e0){i.animations=[];for(let e=0;e0&&(n.geometries=e),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),a.length>0&&(n.images=a),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c)}return n.object=i,n;function s(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){Ge.subVectors(i,e),We.subVectors(n,e),je.subVectors(t,e);const s=Ge.dot(Ge),a=Ge.dot(We),o=Ge.dot(je),l=We.dot(We),c=We.dot(je),h=s*l-a*a;if(0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,qe),qe.x>=0&&qe.y>=0&&qe.x+qe.y<=1}static getUV(t,e,n,i,r,s,a,o){return this.getBarycoord(t,e,n,i,qe),o.set(0,0),o.addScaledVector(r,qe.x),o.addScaledVector(s,qe.y),o.addScaledVector(a,qe.z),o}static isFrontFacing(t,e,n,i){return Ge.subVectors(n,e),We.subVectors(t,e),Ge.cross(We).dot(i)<0}set(t,e,n){return this.a.copy(t),this.b.copy(e),this.c.copy(n),this}setFromPointsAndIndices(t,e,n,i){return this.a.copy(t[e]),this.b.copy(t[n]),this.c.copy(t[i]),this}setFromAttributeAndIndices(t,e,n,i){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,n),this.c.fromBufferAttribute(t,i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return Ge.subVectors(this.c,this.b),We.subVectors(this.a,this.b),.5*Ge.cross(We).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return Qe.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return Qe.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return Qe.getUV(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return Qe.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return Qe.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const n=this.a,i=this.b,r=this.c;let s,a;Xe.subVectors(i,n),Ye.subVectors(r,n),Je.subVectors(t,n);const o=Xe.dot(Je),l=Ye.dot(Je);if(o<=0&&l<=0)return e.copy(n);$e.subVectors(t,i);const c=Xe.dot($e),h=Ye.dot($e);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(n).addScaledVector(Xe,s);Ke.subVectors(t,r);const d=Xe.dot(Ke),p=Ye.dot(Ke);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(n).addScaledVector(Ye,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return Ze.subVectors(r,i),a=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(Ze,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(n).addScaledVector(Xe,s).addScaledVector(Ye,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let tn=0;class en extends pt{constructor(){super(),Object.defineProperty(this,"id",{value:tn++}),this.uuid=xt(),this.name="",this.type="Material",this.fog=!0,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.format=1023,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=7680,this.stencilZFail=7680,this.stencilZPass=7680,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const n=t[e];if(void 0===n){console.warn("THREE.Material: '"+e+"' parameter is undefined.");continue}if("shading"===e){console.warn("THREE."+this.type+": .shading has been removed. Use the boolean .flatShading instead."),this.flatShading=1===n;continue}const i=this[e];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[e]=n:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function i(t){const e=[];for(const n in t){const i=t[n];delete i.metadata,e.push(i)}return e}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenTint&&this.sheenTint.isColor&&(n.sheenTint=this.sheenTint.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularTint&&this.specularTint.isColor&&(n.specularTint=this.specularTint.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(t).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(t).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(t).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(t).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(t).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularTintMap&&this.specularTintMap.isTexture&&(n.specularTintMap=this.specularTintMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationTint&&(n.attenuationTint=this.attenuationTint.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(n.blending=this.blending),0!==this.side&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),1023!==this.format&&(n.format=this.format),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),e){const e=i(t.textures),r=i(t.images);e.length>0&&(n.textures=e),r.length>0&&(n.images=r)}return n}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.fog=t.fog,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.format=t.format,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let n=null;if(null!==e){const t=e.length;n=new Array(t);for(let i=0;i!==t;++i)n[i]=e[i].clone()}return this.clippingPlanes=n,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}en.prototype.isMaterial=!0;const nn={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},rn={h:0,s:0,l:0},sn={h:0,s:0,l:0};function an(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function on(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function ln(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}class cn{constructor(t,e,n){return void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}set(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this}setRGB(t,e,n){return this.r=t,this.g=e,this.b=n,this}setHSL(t,e,n){if(t=wt(t,1),e=bt(e,0,1),n=bt(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=an(r,i,t+1/3),this.g=an(r,i,t),this.b=an(r,i,t-1/3)}return this}setStyle(t){function e(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(t)){let t;const i=n[1],r=n[2];switch(i){case"rgb":case"rgba":if(t=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))return this.r=Math.min(255,parseInt(t[1],10))/255,this.g=Math.min(255,parseInt(t[2],10))/255,this.b=Math.min(255,parseInt(t[3],10))/255,e(t[4]),this;if(t=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))return this.r=Math.min(100,parseInt(t[1],10))/100,this.g=Math.min(100,parseInt(t[2],10))/100,this.b=Math.min(100,parseInt(t[3],10))/100,e(t[4]),this;break;case"hsl":case"hsla":if(t=/^\s*(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r)){const n=parseFloat(t[1])/360,i=parseInt(t[2],10)/100,r=parseInt(t[3],10)/100;return e(t[4]),this.setHSL(n,i,r)}}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(t)){const t=n[1],e=t.length;if(3===e)return this.r=parseInt(t.charAt(0)+t.charAt(0),16)/255,this.g=parseInt(t.charAt(1)+t.charAt(1),16)/255,this.b=parseInt(t.charAt(2)+t.charAt(2),16)/255,this;if(6===e)return this.r=parseInt(t.charAt(0)+t.charAt(1),16)/255,this.g=parseInt(t.charAt(2)+t.charAt(3),16)/255,this.b=parseInt(t.charAt(4)+t.charAt(5),16)/255,this}return t&&t.length>0?this.setColorName(t):this}setColorName(t){const e=nn[t.toLowerCase()];return void 0!==e?this.setHex(e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copyGammaToLinear(t,e=2){return this.r=Math.pow(t.r,e),this.g=Math.pow(t.g,e),this.b=Math.pow(t.b,e),this}copyLinearToGamma(t,e=2){const n=e>0?1/e:1;return this.r=Math.pow(t.r,n),this.g=Math.pow(t.g,n),this.b=Math.pow(t.b,n),this}convertGammaToLinear(t){return this.copyGammaToLinear(this,t),this}convertLinearToGamma(t){return this.copyLinearToGamma(this,t),this}copySRGBToLinear(t){return this.r=on(t.r),this.g=on(t.g),this.b=on(t.b),this}copyLinearToSRGB(t){return this.r=ln(t.r),this.g=ln(t.g),this.b=ln(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(t){const e=this.r,n=this.g,i=this.b,r=Math.max(e,n,i),s=Math.min(e,n,i);let a,o;const l=(s+r)/2;if(s===r)a=0,o=0;else{const t=r-s;switch(o=l<=.5?t/(r+s):t/(2-r-s),r){case e:a=(n-i)/t+(n65535?fn:mn)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new Lt).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return yn.makeRotationFromQuaternion(t),this.applyMatrix4(yn),this}rotateX(t){return yn.makeRotationX(t),this.applyMatrix4(yn),this}rotateY(t){return yn.makeRotationY(t),this.applyMatrix4(yn),this}rotateZ(t){return yn.makeRotationZ(t),this.applyMatrix4(yn),this}translate(t,e,n){return yn.makeTranslation(t,e,n),this.applyMatrix4(yn),this}scale(t,e,n){return yn.makeScale(t,e,n),this.applyMatrix4(yn),this}lookAt(t){return xn.lookAt(t),xn.updateMatrix(),this.applyMatrix4(xn.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(bn).negate(),this.translate(bn.x,bn.y,bn.z),this}setFromPoints(t){const e=[];for(let n=0,i=t.length;n0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e];t.data.attributes[e]=i.toJSON(t.data)}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}}raycast(t,e){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0===i)return;if(null===n.boundingSphere&&n.computeBoundingSphere(),An.copy(n.boundingSphere),An.applyMatrix4(r),!1===t.ray.intersectsSphere(An))return;if(Tn.copy(r).invert(),En.copy(t.ray).applyMatrix4(Tn),null!==n.boundingBox&&!1===En.intersectsBox(n.boundingBox))return;let s;if(n.isBufferGeometry){const r=n.index,a=n.attributes.position,o=n.morphAttributes.position,l=n.morphTargetsRelative,c=n.attributes.uv,h=n.attributes.uv2,u=n.groups,d=n.drawRange;if(null!==r)if(Array.isArray(i))for(let n=0,p=u.length;nn.far?null:{distance:c,point:Hn.clone(),object:t}}(t,e,n,i,Ln,Rn,Cn,Bn);if(p){o&&(Un.fromBufferAttribute(o,c),kn.fromBufferAttribute(o,h),zn.fromBufferAttribute(o,u),p.uv=Qe.getUV(Bn,Ln,Rn,Cn,Un,kn,zn,new At)),l&&(Un.fromBufferAttribute(l,c),kn.fromBufferAttribute(l,h),zn.fromBufferAttribute(l,u),p.uv2=Qe.getUV(Bn,Ln,Rn,Cn,Un,kn,zn,new At));const t={a:c,b:h,c:u,normal:new Bt,materialIndex:0};Qe.getNormal(Ln,Rn,Cn,t.normal),p.face=t}return p}Vn.prototype.isMesh=!0;class Wn extends Sn{constructor(t=1,e=1,n=1,i=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:s};const a=this;i=Math.floor(i),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,s,p,m,f,g,v){const y=s/f,x=p/g,b=s/2,w=p/2,_=m/2,M=f+1,S=g+1;let T=0,E=0;const A=new Bt;for(let s=0;s0?1:-1,c.push(A.x,A.y,A.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;const n={};for(const t in this.extensions)!0===this.extensions[t]&&(n[t]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}Yn.prototype.isShaderMaterial=!0;class Zn extends Ve{constructor(){super(),this.type="Camera",this.matrixWorldInverse=new ve,this.projectionMatrix=new ve,this.projectionMatrixInverse=new ve}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}Zn.prototype.isCamera=!0;class Jn extends Zn{constructor(t=50,e=1,n=.1,i=2e3){super(),this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=n,this.far=i,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*gt*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*ft*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*gt*Math.atan(Math.tan(.5*ft*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(t,e,n,i,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*ft*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*i/t,e-=s.offsetY*n/a,i*=s.width/t,n*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}Jn.prototype.isPerspectiveCamera=!0;class $n extends Ve{constructor(t,e,n){if(super(),this.type="CubeCamera",!0!==n.isWebGLCubeRenderTarget)return void console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.");this.renderTarget=n;const i=new Jn(90,1,t,e);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Bt(1,0,0)),this.add(i);const r=new Jn(90,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new Bt(-1,0,0)),this.add(r);const s=new Jn(90,1,t,e);s.layers=this.layers,s.up.set(0,0,1),s.lookAt(new Bt(0,1,0)),this.add(s);const a=new Jn(90,1,t,e);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new Bt(0,-1,0)),this.add(a);const o=new Jn(90,1,t,e);o.layers=this.layers,o.up.set(0,-1,0),o.lookAt(new Bt(0,0,1)),this.add(o);const l=new Jn(90,1,t,e);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new Bt(0,0,-1)),this.add(l)}update(t,e){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget,[i,r,s,a,o,l]=this.children,c=t.xr.enabled,h=t.getRenderTarget();t.xr.enabled=!1;const u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0),t.render(e,i),t.setRenderTarget(n,1),t.render(e,r),t.setRenderTarget(n,2),t.render(e,s),t.setRenderTarget(n,3),t.render(e,a),t.setRenderTarget(n,4),t.render(e,o),n.texture.generateMipmaps=u,t.setRenderTarget(n,5),t.render(e,l),t.setRenderTarget(h),t.xr.enabled=c}}class Kn extends Nt{constructor(t,e,n,i,r,s,a,o,l,c){super(t=void 0!==t?t:[],e=void 0!==e?e:301,n,i,r,s,a,o,l,c),this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}Kn.prototype.isCubeTexture=!0;class Qn extends Ut{constructor(t,e,n){Number.isInteger(e)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),e=n),super(t,t,e),e=e||{},this.texture=new Kn(void 0,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:1006,this.texture._needsFlipEnvMap=!1}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.format=1023,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include \n\t\t\t\t\t#include \n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include \n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new Wn(5,5,5),r=new Yn({name:"CubemapFromEquirect",uniforms:jn(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=e;const s=new Vn(i,r),a=e.minFilter;1008===e.minFilter&&(e.minFilter=1006);return new $n(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,n,i);t.setRenderTarget(r)}}Qn.prototype.isWebGLCubeRenderTarget=!0;const ti=new Bt,ei=new Bt,ni=new Lt;class ii{constructor(t=new Bt(1,0,0),e=0){this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,n,i){return this.normal.set(t,e,n),this.constant=i,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,n){const i=ti.subVectors(n,e).cross(ei.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(i,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)}intersectLine(t,e){const n=t.delta(ti),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:e.copy(n).multiplyScalar(r).add(t.start)}intersectsLine(t){const e=this.distanceToPoint(t.start),n=this.distanceToPoint(t.end);return e<0&&n>0||n<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const n=e||ni.getNormalMatrix(t),i=this.coplanarPoint(ti).applyMatrix4(t),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}ii.prototype.isPlane=!0;const ri=new le,si=new Bt;class ai{constructor(t=new ii,e=new ii,n=new ii,i=new ii,r=new ii,s=new ii){this.planes=[t,e,n,i,r,s]}set(t,e,n,i,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(n),a[3].copy(i),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t){const e=this.planes,n=t.elements,i=n[0],r=n[1],s=n[2],a=n[3],o=n[4],l=n[5],c=n[6],h=n[7],u=n[8],d=n[9],p=n[10],m=n[11],f=n[12],g=n[13],v=n[14],y=n[15];return e[0].setComponents(a-i,h-o,m-u,y-f).normalize(),e[1].setComponents(a+i,h+o,m+u,y+f).normalize(),e[2].setComponents(a+r,h+l,m+d,y+g).normalize(),e[3].setComponents(a-r,h-l,m-d,y-g).normalize(),e[4].setComponents(a-s,h-c,m-p,y-v).normalize(),e[5].setComponents(a+s,h+c,m+p,y+v).normalize(),this}intersectsObject(t){const e=t.geometry;return null===e.boundingSphere&&e.computeBoundingSphere(),ri.copy(e.boundingSphere).applyMatrix4(t.matrixWorld),this.intersectsSphere(ri)}intersectsSprite(t){return ri.center.set(0,0,0),ri.radius=.7071067811865476,ri.applyMatrix4(t.matrixWorld),this.intersectsSphere(ri)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(n)0?t.max.x:t.min.x,si.y=i.normal.y>0?t.max.y:t.min.y,si.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(si)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let n=0;n<6;n++)if(e[n].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function oi(){let t=null,e=!1,n=null,i=null;function r(e,s){n(e,s),i=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==n&&(i=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(i),e=!1},setAnimationLoop:function(t){n=t},setContext:function(e){t=e}}}function li(t,e){const n=e.isWebGL2,i=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenTint, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenTint * ( D * V );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_maxMipLevel 8.0\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_maxTileSize 256.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tfloat texelSize = 1.0 / ( 3.0 * cubeUV_maxTileSize );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 1.0 );\n\t\tvec2 f = fract( uv );\n\t\tuv += 0.5 - f;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tif ( mipInt < cubeUV_maxMipLevel ) {\n\t\t\tuv.y += 2.0 * cubeUV_maxTileSize;\n\t\t}\n\t\tuv.y += filterInt * 2.0 * cubeUV_minTileSize;\n\t\tuv.x += 3.0 * max( 0.0, cubeUV_maxTileSize - 2.0 * faceSize );\n\t\tuv *= texelSize;\n\t\tvec3 tl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x += texelSize;\n\t\tvec3 tr = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.y += texelSize;\n\t\tvec3 br = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tuv.x -= texelSize;\n\t\tvec3 bl = envMapTexelToLinear( texture2D( envMap, uv ) ).rgb;\n\t\tvec3 tm = mix( tl, tr, f.x );\n\t\tvec3 bm = mix( bl, br, f.x );\n\t\treturn mix( tm, bm, f.y );\n\t}\n\t#define r0 1.0\n\t#define v0 0.339\n\t#define m0 - 2.0\n\t#define r1 0.8\n\t#define v1 0.276\n\t#define m1 - 1.0\n\t#define r4 0.4\n\t#define v4 0.046\n\t#define m4 2.0\n\t#define r5 0.305\n\t#define v5 0.016\n\t#define m5 3.0\n\t#define r6 0.21\n\t#define v6 0.0038\n\t#define m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= r1 ) {\n\t\t\tmip = ( r0 - roughness ) * ( m1 - m0 ) / ( r0 - r1 ) + m0;\n\t\t} else if ( roughness >= r4 ) {\n\t\t\tmip = ( r1 - roughness ) * ( m4 - m1 ) / ( r1 - r4 ) + m1;\n\t\t} else if ( roughness >= r5 ) {\n\t\t\tmip = ( r4 - roughness ) * ( m5 - m4 ) / ( r4 - r5 ) + m4;\n\t\t} else if ( roughness >= r6 ) {\n\t\t\tmip = ( r5 - roughness ) * ( m6 - m5 ) / ( r5 - r6 ) + m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), m0, cubeUV_maxMipLevel );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec;\n\t\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\t\treflectVec = reflect( - viewDir, normal );\n\t\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\t#else\n\t\t\t\treflectVec = refract( - viewDir, normal, refractionRatio );\n\t\t\t#endif\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tlightMapIrradiance *= PI;\n\t#endif\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry.normal );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry.normal );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointLightInfo( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotLightInfo( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalLightInfo( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( - dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry.normal );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularTintFactor = specularTint;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARTINTMAP\n\t\t\tspecularTintFactor *= specularTintMapTexelToLinear( texture2D( specularTintMap, vUv ) ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularTintFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( ior - 1.0 ) / ( ior + 1.0 ) ) * specularTintFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenTint = sheenTint;\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenTint;\n\t\tfloat sheenRoughness;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\tvec3 FssEss = specularColor * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenTint, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] > 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1, 2 ) * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform vec2 morphTargetsTextureSize;\n\t\tvec3 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset, const in int stride ) {\n\t\t\tfloat texelIndex = float( vertexIndex * stride + offset );\n\t\t\tfloat y = floor( texelIndex / morphTargetsTextureSize.x );\n\t\t\tfloat x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tvec3 morphUV = vec3( ( x + 0.5 ) / morphTargetsTextureSize.x, y / morphTargetsTextureSize.y, morphTargetIndex );\n\t\t\treturn texture( morphTargetsTexture, morphUV ).xyz;\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\t#ifndef USE_MORPHNORMALS\n\t\t\t\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 1 ) * morphTargetInfluences[ i ];\n\t\t\t#else\n\t\t\t\tif ( morphTargetInfluences[ i ] > 0.0 ) transformed += getMorph( gl_VertexID, i, 0, 2 ) * morphTargetInfluences[ i ];\n\t\t\t#endif\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3( 1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108, 1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605, 1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tfloat transmissionAlpha = 1.0;\n\tfloat transmissionFactor = transmission;\n\tfloat thicknessFactor = thickness;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\ttransmissionFactor *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tthicknessFactor *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, roughnessFactor, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, ior, thicknessFactor,\n\t\tattenuationTint, attenuationDistance );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, transmissionFactor );\n\ttransmissionAlpha = mix( transmissionAlpha, transmission.a, transmissionFactor );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationTint;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( vec3 n, vec3 v, float thickness, float ior, mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( float roughness, float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( vec2 fragCoord, float roughness, float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( vec3 radiance, float transmissionDistance, vec3 attenuationColor, float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( vec3 n, vec3 v, float roughness, vec3 diffuseColor, vec3 specularColor, float specularF90,\n\t\tvec3 position, mat4 modelMatrix, mat4 viewMatrix, mat4 projMatrix, float ior, float thickness,\n\t\tvec3 attenuationColor, float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"#include \nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularTint;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARTINTMAP\n\t\tuniform sampler2D specularTintMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenTint;\n\tuniform float sheenRoughness;\n#endif\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include \n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - clearcoat * Fcc ) + clearcoatSpecular * clearcoat;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\t#include \n\t#include \n\t#include \n\t#include \n}"},ui={common:{diffuse:{value:new cn(16777215)},opacity:{value:1},map:{value:null},uvTransform:{value:new Lt},uv2Transform:{value:new Lt},alphaMap:{value:null},alphaTest:{value:0}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},ior:{value:1.5},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new At(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new cn(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowNormalBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}},ltc_1:{value:null},ltc_2:{value:null}},points:{diffuse:{value:new cn(16777215)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:new Lt}},sprite:{diffuse:{value:new cn(16777215)},opacity:{value:1},center:{value:new At(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},alphaTest:{value:0},uvTransform:{value:new Lt}}},di={basic:{uniforms:qn([ui.common,ui.specularmap,ui.envmap,ui.aomap,ui.lightmap,ui.fog]),vertexShader:hi.meshbasic_vert,fragmentShader:hi.meshbasic_frag},lambert:{uniforms:qn([ui.common,ui.specularmap,ui.envmap,ui.aomap,ui.lightmap,ui.emissivemap,ui.fog,ui.lights,{emissive:{value:new cn(0)}}]),vertexShader:hi.meshlambert_vert,fragmentShader:hi.meshlambert_frag},phong:{uniforms:qn([ui.common,ui.specularmap,ui.envmap,ui.aomap,ui.lightmap,ui.emissivemap,ui.bumpmap,ui.normalmap,ui.displacementmap,ui.fog,ui.lights,{emissive:{value:new cn(0)},specular:{value:new cn(1118481)},shininess:{value:30}}]),vertexShader:hi.meshphong_vert,fragmentShader:hi.meshphong_frag},standard:{uniforms:qn([ui.common,ui.envmap,ui.aomap,ui.lightmap,ui.emissivemap,ui.bumpmap,ui.normalmap,ui.displacementmap,ui.roughnessmap,ui.metalnessmap,ui.fog,ui.lights,{emissive:{value:new cn(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:hi.meshphysical_vert,fragmentShader:hi.meshphysical_frag},toon:{uniforms:qn([ui.common,ui.aomap,ui.lightmap,ui.emissivemap,ui.bumpmap,ui.normalmap,ui.displacementmap,ui.gradientmap,ui.fog,ui.lights,{emissive:{value:new cn(0)}}]),vertexShader:hi.meshtoon_vert,fragmentShader:hi.meshtoon_frag},matcap:{uniforms:qn([ui.common,ui.bumpmap,ui.normalmap,ui.displacementmap,ui.fog,{matcap:{value:null}}]),vertexShader:hi.meshmatcap_vert,fragmentShader:hi.meshmatcap_frag},points:{uniforms:qn([ui.points,ui.fog]),vertexShader:hi.points_vert,fragmentShader:hi.points_frag},dashed:{uniforms:qn([ui.common,ui.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:hi.linedashed_vert,fragmentShader:hi.linedashed_frag},depth:{uniforms:qn([ui.common,ui.displacementmap]),vertexShader:hi.depth_vert,fragmentShader:hi.depth_frag},normal:{uniforms:qn([ui.common,ui.bumpmap,ui.normalmap,ui.displacementmap,{opacity:{value:1}}]),vertexShader:hi.meshnormal_vert,fragmentShader:hi.meshnormal_frag},sprite:{uniforms:qn([ui.sprite,ui.fog]),vertexShader:hi.sprite_vert,fragmentShader:hi.sprite_frag},background:{uniforms:{uvTransform:{value:new Lt},t2D:{value:null}},vertexShader:hi.background_vert,fragmentShader:hi.background_frag},cube:{uniforms:qn([ui.envmap,{opacity:{value:1}}]),vertexShader:hi.cube_vert,fragmentShader:hi.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:hi.equirect_vert,fragmentShader:hi.equirect_frag},distanceRGBA:{uniforms:qn([ui.common,ui.displacementmap,{referencePosition:{value:new Bt},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:hi.distanceRGBA_vert,fragmentShader:hi.distanceRGBA_frag},shadow:{uniforms:qn([ui.lights,ui.fog,{color:{value:new cn(0)},opacity:{value:1}}]),vertexShader:hi.shadow_vert,fragmentShader:hi.shadow_frag}};function pi(t,e,n,i,r){const s=new cn(0);let a,o,l=0,c=null,h=0,u=null;function d(t,e){n.buffers.color.setClear(t.r,t.g,t.b,e,r)}return{getClearColor:function(){return s},setClearColor:function(t,e=1){s.set(t),l=e,d(s,l)},getClearAlpha:function(){return l},setClearAlpha:function(t){l=t,d(s,l)},render:function(n,r){let p=!1,m=!0===r.isScene?r.background:null;m&&m.isTexture&&(m=e.get(m));const f=t.xr,g=f.getSession&&f.getSession();g&&"additive"===g.environmentBlendMode&&(m=null),null===m?d(s,l):m&&m.isColor&&(d(m,1),p=!0),(t.autoClear||p)&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),m&&(m.isCubeTexture||306===m.mapping)?(void 0===o&&(o=new Vn(new Wn(1,1,1),new Yn({name:"BackgroundCubeMaterial",uniforms:jn(di.cube.uniforms),vertexShader:di.cube.vertexShader,fragmentShader:di.cube.fragmentShader,side:1,depthTest:!1,depthWrite:!1,fog:!1})),o.geometry.deleteAttribute("normal"),o.geometry.deleteAttribute("uv"),o.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(o.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),i.update(o)),o.material.uniforms.envMap.value=m,o.material.uniforms.flipEnvMap.value=m.isCubeTexture&&!1===m.isRenderTargetTexture?-1:1,c===m&&h===m.version&&u===t.toneMapping||(o.material.needsUpdate=!0,c=m,h=m.version,u=t.toneMapping),n.unshift(o,o.geometry,o.material,0,0,null)):m&&m.isTexture&&(void 0===a&&(a=new Vn(new ci(2,2),new Yn({name:"BackgroundMaterial",uniforms:jn(di.background.uniforms),vertexShader:di.background.vertexShader,fragmentShader:di.background.fragmentShader,side:0,depthTest:!1,depthWrite:!1,fog:!1})),a.geometry.deleteAttribute("normal"),Object.defineProperty(a.material,"map",{get:function(){return this.uniforms.t2D.value}}),i.update(a)),a.material.uniforms.t2D.value=m,!0===m.matrixAutoUpdate&&m.updateMatrix(),a.material.uniforms.uvTransform.value.copy(m.matrix),c===m&&h===m.version&&u===t.toneMapping||(a.material.needsUpdate=!0,c=m,h=m.version,u=t.toneMapping),n.unshift(a,a.geometry,a.material,0,0,null))}}}function mi(t,e,n,i){const r=t.getParameter(34921),s=i.isWebGL2?null:e.get("OES_vertex_array_object"),a=i.isWebGL2||null!==s,o={},l=d(null);let c=l;function h(e){return i.isWebGL2?t.bindVertexArray(e):s.bindVertexArrayOES(e)}function u(e){return i.isWebGL2?t.deleteVertexArray(e):s.deleteVertexArrayOES(e)}function d(t){const e=[],n=[],i=[];for(let t=0;t=0){let s=l[e];if(void 0===s&&("instanceMatrix"===e&&r.instanceMatrix&&(s=r.instanceMatrix),"instanceColor"===e&&r.instanceColor&&(s=r.instanceColor)),void 0!==s){const e=s.normalized,a=s.itemSize,l=n.get(s);if(void 0===l)continue;const c=l.buffer,h=l.type,u=l.bytesPerElement;if(s.isInterleavedBufferAttribute){const n=s.data,l=n.stride,d=s.offset;if(n&&n.isInstancedInterleavedBuffer){for(let t=0;t0&&t.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(35633,36337).precision>0&&t.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext;let a=void 0!==n.precision?n.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=s||e.has("WEBGL_draw_buffers"),c=!0===n.logarithmicDepthBuffer,h=t.getParameter(34930),u=t.getParameter(35660),d=t.getParameter(3379),p=t.getParameter(34076),m=t.getParameter(34921),f=t.getParameter(36347),g=t.getParameter(36348),v=t.getParameter(36349),y=u>0,x=s||e.has("OES_texture_float");return{isWebGL2:s,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==i)return i;if(!0===e.has("EXT_texture_filter_anisotropic")){const n=e.get("EXT_texture_filter_anisotropic");i=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else i=0;return i},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:c,maxTextures:h,maxVertexTextures:u,maxTextureSize:d,maxCubemapSize:p,maxAttributes:m,maxVertexUniforms:f,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:y,floatFragmentTextures:x,floatVertexTextures:y&&x,maxSamples:s?t.getParameter(36183):0}}function vi(t){const e=this;let n=null,i=0,r=!1,s=!1;const a=new ii,o=new Lt,l={value:null,needsUpdate:!1};function c(){l.value!==n&&(l.value=n,l.needsUpdate=i>0),e.numPlanes=i,e.numIntersection=0}function h(t,n,i,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=i+4*s,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length0){const a=t.getRenderTarget(),o=new Qn(s.height/2);return o.fromEquirectangularTexture(t,r),e.set(r,o),t.setRenderTarget(a),r.addEventListener("dispose",i),n(o.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}di.physical={uniforms:qn([di.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new At(1,1)},clearcoatNormalMap:{value:null},sheen:{value:0},sheenTint:{value:new cn(0)},sheenRoughness:{value:0},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new At},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationTint:{value:new cn(0)},specularIntensity:{value:0},specularIntensityMap:{value:null},specularTint:{value:new cn(1,1,1)},specularTintMap:{value:null}}]),vertexShader:hi.meshphysical_vert,fragmentShader:hi.meshphysical_frag};class xi extends Zn{constructor(t=-1,e=1,n=1,i=-1,r=.1,s=2e3){super(),this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=n,this.bottom=i,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,n,i,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-t,s=n+t,a=i+e,o=i-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}xi.prototype.isOrthographicCamera=!0;class bi extends Yn{constructor(t){super(t),this.type="RawShaderMaterial"}}bi.prototype.isRawShaderMaterial=!0;const wi=Math.pow(2,8),_i=[.125,.215,.35,.446,.526,.582],Mi=5+_i.length,Si={3e3:0,3001:1,3002:2,3004:3,3005:4,3006:5,3007:6},Ti=new xi,{_lodPlanes:Ei,_sizeLods:Ai,_sigmas:Li}=Oi(),Ri=new cn;let Ci=null;const Pi=(1+Math.sqrt(5))/2,Ii=1/Pi,Di=[new Bt(1,1,1),new Bt(-1,1,1),new Bt(1,1,-1),new Bt(-1,1,-1),new Bt(0,Pi,Ii),new Bt(0,Pi,-Ii),new Bt(Ii,0,Pi),new Bt(-Ii,0,Pi),new Bt(Pi,Ii,0),new Bt(-Pi,Ii,0)];class Ni{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._blurMaterial=function(t){const e=new Float32Array(t),n=new Bt(0,1,0);return new bi({name:"SphericalGaussianBlur",defines:{n:t},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:e},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:n},inputEncoding:{value:Si[3e3]},outputEncoding:{value:Si[3e3]}},vertexShader:Hi(),fragmentShader:`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t${Vi()}\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include \n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,blending:0,depthTest:!1,depthWrite:!1})}(20),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){Ci=this._renderer.getRenderTarget();const r=this._allocateTargets();return this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t){return this._fromTexture(t)}fromCubemap(t){return this._fromTexture(t)}compileCubemapShader(){null===this._cubemapShader&&(this._cubemapShader=Bi(),this._compileMaterial(this._cubemapShader))}compileEquirectangularShader(){null===this._equirectShader&&(this._equirectShader=zi(),this._compileMaterial(this._equirectShader))}dispose(){this._blurMaterial.dispose(),null!==this._cubemapShader&&this._cubemapShader.dispose(),null!==this._equirectShader&&this._equirectShader.dispose();for(let t=0;t2?wi:0,wi,wi),o.setRenderTarget(i),p&&o.render(d,r),o.render(t,r)}d.geometry.dispose(),d.material.dispose(),o.toneMapping=h,o.outputEncoding=c,o.autoClear=l,t.background=m}_setEncoding(t,e){!0===this._renderer.capabilities.isWebGL2&&1023===e.format&&1009===e.type&&3001===e.encoding?t.value=Si[3e3]:t.value=Si[e.encoding]}_textureToCubeUV(t,e){const n=this._renderer;t.isCubeTexture?null==this._cubemapShader&&(this._cubemapShader=Bi()):null==this._equirectShader&&(this._equirectShader=zi());const i=t.isCubeTexture?this._cubemapShader:this._equirectShader,r=new Vn(Ei[0],i),s=i.uniforms;s.envMap.value=t,t.isCubeTexture||s.texelSize.value.set(1/t.image.width,1/t.image.height),this._setEncoding(s.inputEncoding,t),this._setEncoding(s.outputEncoding,e.texture),ki(e,0,0,3*wi,2*wi),n.setRenderTarget(e),n.render(r,Ti)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let e=1;e20&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let t=0;t<20;++t){const e=t/p,n=Math.exp(-e*e/2);f.push(n),0==t?g+=n:t4?i-8+4:0),3*v,2*v),o.setRenderTarget(e),o.render(c,Ti)}}function Fi(t){return void 0!==t&&1009===t.type&&(3e3===t.encoding||3001===t.encoding||3007===t.encoding)}function Oi(){const t=[],e=[],n=[];let i=8;for(let r=0;r4?a=_i[r-8+4-1]:0==r&&(a=0),n.push(a);const o=1/(s-1),l=-o/2,c=1+o/2,h=[l,l,c,l,c,c,l,l,c,c,l,c],u=6,d=6,p=3,m=2,f=1,g=new Float32Array(p*d*u),v=new Float32Array(m*d*u),y=new Float32Array(f*d*u);for(let t=0;t2?0:-1,i=[e,n,0,e+2/3,n,0,e+2/3,n+1,0,e,n,0,e+2/3,n+1,0,e,n+1,0];g.set(i,p*d*t),v.set(h,m*d*t);const r=[t,t,t,t,t,t];y.set(r,f*d*t)}const x=new Sn;x.setAttribute("position",new pn(g,p)),x.setAttribute("uv",new pn(v,m)),x.setAttribute("faceIndex",new pn(y,f)),t.push(x),i>4&&i--}return{_lodPlanes:t,_sizeLods:e,_sigmas:n}}function Ui(t){const e=new Ut(3*wi,3*wi,t);return e.texture.mapping=306,e.texture.name="PMREM.cubeUv",e.scissorTest=!0,e}function ki(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function zi(){const t=new At(1,1);return new bi({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null},texelSize:{value:t},inputEncoding:{value:Si[3e3]},outputEncoding:{value:Si[3e3]}},vertexShader:Hi(),fragmentShader:`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t${Vi()}\n\n\t\t\t#include \n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tvec2 f = fract( uv / texelSize - 0.5 );\n\t\t\t\tuv -= f * texelSize;\n\t\t\t\tvec3 tl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x += texelSize.x;\n\t\t\t\tvec3 tr = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.y += texelSize.y;\n\t\t\t\tvec3 br = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\t\t\t\tuv.x -= texelSize.x;\n\t\t\t\tvec3 bl = envMapTexelToLinear( texture2D ( envMap, uv ) ).rgb;\n\n\t\t\t\tvec3 tm = mix( tl, tr, f.x );\n\t\t\t\tvec3 bm = mix( bl, br, f.x );\n\t\t\t\tgl_FragColor.rgb = mix( tm, bm, f.y );\n\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,blending:0,depthTest:!1,depthWrite:!1})}function Bi(){return new bi({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},inputEncoding:{value:Si[3e3]},outputEncoding:{value:Si[3e3]}},vertexShader:Hi(),fragmentShader:`\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\t${Vi()}\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb = envMapTexelToLinear( textureCube( envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ) ) ).rgb;\n\t\t\t\tgl_FragColor = linearToOutputTexel( gl_FragColor );\n\n\t\t\t}\n\t\t`,blending:0,depthTest:!1,depthWrite:!1})}function Hi(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute vec3 position;\n\t\tattribute vec2 uv;\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) {\n\n\t\t\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\n\t\t\t}\n\n\t\t\treturn direction;\n\n\t\t}\n\n\t\tvoid main() {\n\n\t\t\tvOutputDirection = getDirection( uv, faceIndex );\n\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t}\n\t"}function Vi(){return"\n\n\t\tuniform int inputEncoding;\n\t\tuniform int outputEncoding;\n\n\t\t#include \n\n\t\tvec4 inputTexelToLinear( vec4 value ) {\n\n\t\t\tif ( inputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( inputEncoding == 1 ) {\n\n\t\t\t\treturn sRGBToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 2 ) {\n\n\t\t\t\treturn RGBEToLinear( value );\n\n\t\t\t} else if ( inputEncoding == 3 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 7.0 );\n\n\t\t\t} else if ( inputEncoding == 4 ) {\n\n\t\t\t\treturn RGBMToLinear( value, 16.0 );\n\n\t\t\t} else if ( inputEncoding == 5 ) {\n\n\t\t\t\treturn RGBDToLinear( value, 256.0 );\n\n\t\t\t} else {\n\n\t\t\t\treturn GammaToLinear( value, 2.2 );\n\n\t\t\t}\n\n\t\t}\n\n\t\tvec4 linearToOutputTexel( vec4 value ) {\n\n\t\t\tif ( outputEncoding == 0 ) {\n\n\t\t\t\treturn value;\n\n\t\t\t} else if ( outputEncoding == 1 ) {\n\n\t\t\t\treturn LinearTosRGB( value );\n\n\t\t\t} else if ( outputEncoding == 2 ) {\n\n\t\t\t\treturn LinearToRGBE( value );\n\n\t\t\t} else if ( outputEncoding == 3 ) {\n\n\t\t\t\treturn LinearToRGBM( value, 7.0 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Ps(t,e){return(e.castShadow?1:0)-(t.castShadow?1:0)}function Is(t,e){const n=new Rs,i=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new At};break;case"PointLight":n={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new At,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=n,n}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]};for(let t=0;t<9;t++)r.probe.push(new Bt);const s=new Bt,a=new ve,o=new ve;return{setup:function(s,a){let o=0,l=0,c=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0;s.sort(Ps);const y=!0!==a?Math.PI:1;for(let t=0,e=s.length;t0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=ui.LTC_FLOAT_1,r.rectAreaLTC2=ui.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=ui.LTC_HALF_1,r.rectAreaLTC2=ui.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=c;const x=r.hash;x.directionalLength===h&&x.pointLength===u&&x.spotLength===d&&x.rectAreaLength===p&&x.hemiLength===m&&x.numDirectionalShadows===f&&x.numPointShadows===g&&x.numSpotShadows===v||(r.directional.length=h,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=m,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=v,r.spotShadowMap.length=v,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=g,r.spotShadowMatrix.length=v,x.directionalLength=h,x.pointLength=u,x.spotLength=d,x.rectAreaLength=p,x.hemiLength=m,x.numDirectionalShadows=f,x.numPointShadows=g,x.numSpotShadows=v,r.version=Cs++)},setupView:function(t,e){let n=0,i=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e=n.get(i).length?(s=new Ds(t,e),n.get(i).push(s)):s=n.get(i)[r],s},dispose:function(){n=new WeakMap}}}class Fs extends en{constructor(t){super(),this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}Fs.prototype.isMeshDepthMaterial=!0;class Os extends en{constructor(t){super(),this.type="MeshDistanceMaterial",this.referencePosition=new Bt,this.nearDistance=1,this.farDistance=1e3,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(t)}copy(t){return super.copy(t),this.referencePosition.copy(t.referencePosition),this.nearDistance=t.nearDistance,this.farDistance=t.farDistance,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}Os.prototype.isMeshDistanceMaterial=!0;function Us(t,e,n){let i=new ai;const r=new At,s=new At,a=new Ot,o=new Fs({depthPacking:3201}),l=new Os,c={},h=n.maxTextureSize,u={0:1,1:0,2:2},d=new Yn({uniforms:{shadow_pass:{value:null},resolution:{value:new At},radius:{value:4},samples:{value:8}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\nuniform float samples;\n#include \nvoid main() {\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),p=d.clone();p.defines.HORIZONTAL_PASS=1;const m=new Sn;m.setAttribute("position",new pn(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const f=new Vn(m,d),g=this;function v(n,i){const r=e.update(f);d.uniforms.shadow_pass.value=n.map.texture,d.uniforms.resolution.value=n.mapSize,d.uniforms.radius.value=n.radius,d.uniforms.samples.value=n.blurSamples,t.setRenderTarget(n.mapPass),t.clear(),t.renderBufferDirect(i,null,r,d,f,null),p.uniforms.shadow_pass.value=n.mapPass.texture,p.uniforms.resolution.value=n.mapSize,p.uniforms.radius.value=n.radius,p.uniforms.samples.value=n.blurSamples,t.setRenderTarget(n.map),t.clear(),t.renderBufferDirect(i,null,r,p,f,null)}function y(e,n,i,r,s,a,h){let d=null;const p=!0===r.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(d=void 0!==p?p:!0===r.isPointLight?l:o,t.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length||i.displacementMap&&0!==i.displacementScale||i.alphaMap&&i.alphaTest>0){const t=d.uuid,e=i.uuid;let n=c[t];void 0===n&&(n={},c[t]=n);let r=n[e];void 0===r&&(r=d.clone(),n[e]=r),d=r}return d.visible=i.visible,d.wireframe=i.wireframe,d.side=3===h?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:u[i.side],d.alphaMap=i.alphaMap,d.alphaTest=i.alphaTest,d.clipShadows=i.clipShadows,d.clippingPlanes=i.clippingPlanes,d.clipIntersection=i.clipIntersection,d.displacementMap=i.displacementMap,d.displacementScale=i.displacementScale,d.displacementBias=i.displacementBias,d.wireframeLinewidth=i.wireframeLinewidth,d.linewidth=i.linewidth,!0===r.isPointLight&&!0===d.isMeshDistanceMaterial&&(d.referencePosition.setFromMatrixPosition(r.matrixWorld),d.nearDistance=s,d.farDistance=a),d}function x(n,r,s,a,o){if(!1===n.visible)return;if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===o)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,n.matrixWorld);const i=e.update(n),r=n.material;if(Array.isArray(r)){const e=i.groups;for(let l=0,c=e.length;lh||r.y>h)&&(r.x>h&&(s.x=Math.floor(h/p.x),r.x=s.x*p.x,u.mapSize.x=s.x),r.y>h&&(s.y=Math.floor(h/p.y),r.y=s.y*p.y,u.mapSize.y=s.y)),null===u.map&&!u.isPointLightShadow&&3===this.type){const t={minFilter:1006,magFilter:1006,format:1023};u.map=new Ut(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.mapPass=new Ut(r.x,r.y,t),u.camera.updateProjectionMatrix()}if(null===u.map){const t={minFilter:1003,magFilter:1003,format:1023};u.map=new Ut(r.x,r.y,t),u.map.texture.name=c.name+".shadowMap",u.camera.updateProjectionMatrix()}t.setRenderTarget(u.map),t.clear();const m=u.getViewportCount();for(let t=0;t=1):-1!==L.indexOf("OpenGL ES")&&(A=parseFloat(/^OpenGL ES (\d)/.exec(L)[1]),E=A>=2);let R=null,C={};const P=t.getParameter(3088),I=t.getParameter(2978),D=(new Ot).fromArray(P),N=(new Ot).fromArray(I);function F(e,n,i){const r=new Uint8Array(4),s=t.createTexture();t.bindTexture(e,s),t.texParameteri(e,10241,9728),t.texParameteri(e,10240,9728);for(let e=0;ei||t.height>i)&&(r=i/Math.max(t.width,t.height)),r<1||!0===e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const i=e?Tt:Math.floor,s=i(r*t.width),a=i(r*t.height);void 0===p&&(p=f(s,a));const o=n?f(s,a):p;o.width=s,o.height=a;return o.getContext("2d").drawImage(t,0,0,s,a),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+t.width+"x"+t.height+") to ("+s+"x"+a+")."),o}return"data"in t&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+t.width+"x"+t.height+")."),t}return t}function v(t){return Mt(t.width)&&Mt(t.height)}function y(t,e){return t.generateMipmaps&&e&&1003!==t.minFilter&&1006!==t.minFilter}function x(e,n,r,s,a=1){t.generateMipmap(e);i.get(n).__maxMipLevel=Math.log2(Math.max(r,s,a))}function b(n,i,r,s){if(!1===o)return i;if(null!==n){if(void 0!==t[n])return t[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+n+"'")}let a=i;return 6403===i&&(5126===r&&(a=33326),5131===r&&(a=33325),5121===r&&(a=33321)),6407===i&&(5126===r&&(a=34837),5131===r&&(a=34843),5121===r&&(a=32849)),6408===i&&(5126===r&&(a=34836),5131===r&&(a=34842),5121===r&&(a=3001===s?35907:32856)),33325!==a&&33326!==a&&34842!==a&&34836!==a||e.get("EXT_color_buffer_float"),a}function w(t){return 1003===t||1004===t||1005===t?9728:9729}function _(e){const n=e.target;n.removeEventListener("dispose",_),function(e){const n=i.get(e);if(void 0===n.__webglInit)return;t.deleteTexture(n.__webglTexture),i.remove(e)}(n),n.isVideoTexture&&d.delete(n),a.memory.textures--}function M(e){const n=e.target;n.removeEventListener("dispose",M),function(e){const n=e.texture,r=i.get(e),s=i.get(n);if(!e)return;void 0!==s.__webglTexture&&(t.deleteTexture(s.__webglTexture),a.memory.textures--);e.depthTexture&&e.depthTexture.dispose();if(e.isWebGLCubeRenderTarget)for(let e=0;e<6;e++)t.deleteFramebuffer(r.__webglFramebuffer[e]),r.__webglDepthbuffer&&t.deleteRenderbuffer(r.__webglDepthbuffer[e]);else t.deleteFramebuffer(r.__webglFramebuffer),r.__webglDepthbuffer&&t.deleteRenderbuffer(r.__webglDepthbuffer),r.__webglMultisampledFramebuffer&&t.deleteFramebuffer(r.__webglMultisampledFramebuffer),r.__webglColorRenderbuffer&&t.deleteRenderbuffer(r.__webglColorRenderbuffer),r.__webglDepthRenderbuffer&&t.deleteRenderbuffer(r.__webglDepthRenderbuffer);if(e.isWebGLMultipleRenderTargets)for(let e=0,r=n.length;e0&&r.__version!==t.version){const n=t.image;if(void 0===n)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");else{if(!1!==n.complete)return void P(r,t,e);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.activeTexture(33984+e),n.bindTexture(3553,r.__webglTexture)}function E(e,r){const a=i.get(e);e.version>0&&a.__version!==e.version?function(e,i,r){if(6!==i.image.length)return;C(e,i),n.activeTexture(33984+r),n.bindTexture(34067,e.__webglTexture),t.pixelStorei(37440,i.flipY),t.pixelStorei(37441,i.premultiplyAlpha),t.pixelStorei(3317,i.unpackAlignment),t.pixelStorei(37443,0);const a=i&&(i.isCompressedTexture||i.image[0].isCompressedTexture),l=i.image[0]&&i.image[0].isDataTexture,h=[];for(let t=0;t<6;t++)h[t]=a||l?l?i.image[t].image:i.image[t]:g(i.image[t],!1,!0,c);const u=h[0],d=v(u)||o,p=s.convert(i.format),m=s.convert(i.type),f=b(i.internalFormat,p,m,i.encoding);let w;if(R(34067,i,d),a){for(let t=0;t<6;t++){w=h[t].mipmaps;for(let e=0;e1||i.get(s).__currentAnisotropy)&&(t.texParameterf(n,a.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(s.anisotropy,r.getMaxAnisotropy())),i.get(s).__currentAnisotropy=s.anisotropy)}}function C(e,n){void 0===e.__webglInit&&(e.__webglInit=!0,n.addEventListener("dispose",_),e.__webglTexture=t.createTexture(),a.memory.textures++)}function P(e,i,r){let a=3553;i.isDataTexture2DArray&&(a=35866),i.isDataTexture3D&&(a=32879),C(e,i),n.activeTexture(33984+r),n.bindTexture(a,e.__webglTexture),t.pixelStorei(37440,i.flipY),t.pixelStorei(37441,i.premultiplyAlpha),t.pixelStorei(3317,i.unpackAlignment),t.pixelStorei(37443,0);const l=function(t){return!o&&(1001!==t.wrapS||1001!==t.wrapT||1003!==t.minFilter&&1006!==t.minFilter)}(i)&&!1===v(i.image),c=g(i.image,l,!1,h),u=v(c)||o,d=s.convert(i.format);let p,m=s.convert(i.type),f=b(i.internalFormat,d,m,i.encoding);R(a,i,u);const w=i.mipmaps;if(i.isDepthTexture)f=6402,o?f=1015===i.type?36012:1014===i.type?33190:1020===i.type?35056:33189:1015===i.type&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),1026===i.format&&6402===f&&1012!==i.type&&1014!==i.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or 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l=e.texture,c=i.get(e),h=i.get(l);e.addEventListener("dispose",M),!0!==e.isWebGLMultipleRenderTargets&&(h.__webglTexture=t.createTexture(),h.__version=l.version,a.memory.textures++);const u=!0===e.isWebGLCubeRenderTarget,d=!0===e.isWebGLMultipleRenderTargets,p=!0===e.isWebGLMultisampleRenderTarget,m=l.isDataTexture3D||l.isDataTexture2DArray,f=v(e)||o;if(!o||1022!==l.format||1015!==l.type&&1016!==l.type||(l.format=1023,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. 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pt{constructor(t,e){super();const n=this,i=t.state;let r=null,s=1,a=null,o="local-floor",l=null,c=null,h=null,u=null,d=null,p=!1,m=null,f=null,g=null,v=null,y=null,x=null;const b=[],w=new Map,_=new Jn;_.layers.enable(1),_.viewport=new Ot;const M=new Jn;M.layers.enable(2),M.viewport=new Ot;const S=[_,M],T=new Hs;T.layers.enable(1),T.layers.enable(2);let E=null,A=null;function L(t){const e=w.get(t.inputSource);e&&e.dispatchEvent({type:t.type,data:t.inputSource})}function R(){w.forEach((function(t,e){t.disconnect(e)})),w.clear(),E=null,A=null,i.bindXRFramebuffer(null),t.setRenderTarget(t.getRenderTarget()),h&&e.deleteFramebuffer(h),m&&e.deleteFramebuffer(m),f&&e.deleteRenderbuffer(f),g&&e.deleteRenderbuffer(g),h=null,m=null,f=null,g=null,d=null,u=null,c=null,r=null,F.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function C(t){const e=r.inputSources;for(let t=0;t0&&(e.alphaTest.value=n.alphaTest);const i=t.get(n).envMap;if(i){e.envMap.value=i,e.flipEnvMap.value=i.isCubeTexture&&!1===i.isRenderTargetTexture?-1:1,e.reflectivity.value=n.reflectivity,e.ior.value=n.ior,e.refractionRatio.value=n.refractionRatio;const r=t.get(i).__maxMipLevel;void 0!==r&&(e.maxMipLevel.value=r)}let r,s;n.lightMap&&(e.lightMap.value=n.lightMap,e.lightMapIntensity.value=n.lightMapIntensity),n.aoMap&&(e.aoMap.value=n.aoMap,e.aoMapIntensity.value=n.aoMapIntensity),n.map?r=n.map:n.specularMap?r=n.specularMap:n.displacementMap?r=n.displacementMap:n.normalMap?r=n.normalMap:n.bumpMap?r=n.bumpMap:n.roughnessMap?r=n.roughnessMap:n.metalnessMap?r=n.metalnessMap:n.alphaMap?r=n.alphaMap:n.emissiveMap?r=n.emissiveMap:n.clearcoatMap?r=n.clearcoatMap:n.clearcoatNormalMap?r=n.clearcoatNormalMap:n.clearcoatRoughnessMap?r=n.clearcoatRoughnessMap:n.specularIntensityMap?r=n.specularIntensityMap:n.specularTintMap?r=n.specularTintMap:n.transmissionMap?r=n.transmissionMap:n.thicknessMap&&(r=n.thicknessMap),void 0!==r&&(r.isWebGLRenderTarget&&(r=r.texture),!0===r.matrixAutoUpdate&&r.updateMatrix(),e.uvTransform.value.copy(r.matrix)),n.aoMap?s=n.aoMap:n.lightMap&&(s=n.lightMap),void 0!==s&&(s.isWebGLRenderTarget&&(s=s.texture),!0===s.matrixAutoUpdate&&s.updateMatrix(),e.uv2Transform.value.copy(s.matrix))}function n(e,n){e.roughness.value=n.roughness,e.metalness.value=n.metalness,n.roughnessMap&&(e.roughnessMap.value=n.roughnessMap),n.metalnessMap&&(e.metalnessMap.value=n.metalnessMap),n.emissiveMap&&(e.emissiveMap.value=n.emissiveMap),n.bumpMap&&(e.bumpMap.value=n.bumpMap,e.bumpScale.value=n.bumpScale,1===n.side&&(e.bumpScale.value*=-1)),n.normalMap&&(e.normalMap.value=n.normalMap,e.normalScale.value.copy(n.normalScale),1===n.side&&e.normalScale.value.negate()),n.displacementMap&&(e.displacementMap.value=n.displacementMap,e.displacementScale.value=n.displacementScale,e.displacementBias.value=n.displacementBias);t.get(n).envMap&&(e.envMapIntensity.value=n.envMapIntensity)}return{refreshFogUniforms:function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)},refreshMaterialUniforms:function(t,i,r,s,a){i.isMeshBasicMaterial?e(t,i):i.isMeshLambertMaterial?(e(t,i),function(t,e){e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap)}(t,i)):i.isMeshToonMaterial?(e(t,i),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap);e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshPhongMaterial?(e(t,i),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4),e.emissiveMap&&(t.emissiveMap.value=e.emissiveMap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshStandardMaterial?(e(t,i),i.isMeshPhysicalMaterial?function(t,e,i){n(t,e),t.ior.value=e.ior,e.sheen>0&&(t.sheenTint.value.copy(e.sheenTint).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness);e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap),e.clearcoatNormalMap&&(t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),t.clearcoatNormalMap.value=e.clearcoatNormalMap,1===e.side&&t.clearcoatNormalScale.value.negate()));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap),t.attenuationDistance.value=e.attenuationDistance,t.attenuationTint.value.copy(e.attenuationTint));t.specularIntensity.value=e.specularIntensity,t.specularTint.value.copy(e.specularTint),e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap);e.specularTintMap&&(t.specularTintMap.value=e.specularTintMap)}(t,i,a):n(t,i)):i.isMeshMatcapMaterial?(e(t,i),function(t,e){e.matcap&&(t.matcap.value=e.matcap);e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshDepthMaterial?(e(t,i),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isMeshDistanceMaterial?(e(t,i),function(t,e){e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias);t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(t,i)):i.isMeshNormalMaterial?(e(t,i),function(t,e){e.bumpMap&&(t.bumpMap.value=e.bumpMap,t.bumpScale.value=e.bumpScale,1===e.side&&(t.bumpScale.value*=-1));e.normalMap&&(t.normalMap.value=e.normalMap,t.normalScale.value.copy(e.normalScale),1===e.side&&t.normalScale.value.negate());e.displacementMap&&(t.displacementMap.value=e.displacementMap,t.displacementScale.value=e.displacementScale,t.displacementBias.value=e.displacementBias)}(t,i)):i.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(t,i),i.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,i)):i.isPointsMaterial?function(t,e,n,i){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*n,t.scale.value=.5*i,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);e.alphaTest>0&&(t.alphaTest.value=e.alphaTest);let r;e.map?r=e.map:e.alphaMap&&(r=e.alphaMap);void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix))}(t,i,r,s):i.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);e.alphaTest>0&&(t.alphaTest.value=e.alphaTest);let n;e.map?n=e.map:e.alphaMap&&(n=e.alphaMap);void 0!==n&&(!0===n.matrixAutoUpdate&&n.updateMatrix(),t.uvTransform.value.copy(n.matrix))}(t,i):i.isShadowMaterial?(t.color.value.copy(i.color),t.opacity.value=i.opacity):i.isShaderMaterial&&(i.uniformsNeedUpdate=!1)}}}function Xs(t={}){const e=void 0!==t.canvas?t.canvas:function(){const t=Ct("canvas");return t.style.display="block",t}(),n=void 0!==t.context?t.context:null,i=void 0!==t.alpha&&t.alpha,r=void 0===t.depth||t.depth,s=void 0===t.stencil||t.stencil,a=void 0!==t.antialias&&t.antialias,o=void 0===t.premultipliedAlpha||t.premultipliedAlpha,l=void 0!==t.preserveDrawingBuffer&&t.preserveDrawingBuffer,c=void 0!==t.powerPreference?t.powerPreference:"default",h=void 0!==t.failIfMajorPerformanceCaveat&&t.failIfMajorPerformanceCaveat;let u=null,d=null;const p=[],m=[];this.domElement=e,this.debug={checkShaderErrors:!0},this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.sortObjects=!0,this.clippingPlanes=[],this.localClippingEnabled=!1,this.gammaFactor=2,this.outputEncoding=3e3,this.physicallyCorrectLights=!1,this.toneMapping=0,this.toneMappingExposure=1;const f=this;let g=!1,v=0,y=0,x=null,b=-1,w=null;const _=new Ot,M=new Ot;let S=null,T=e.width,E=e.height,A=1,L=null,R=null;const C=new Ot(0,0,T,E),P=new Ot(0,0,T,E);let I=!1;const D=[],N=new ai;let F=!1,O=!1,U=null;const k=new ve,z=new Bt,B={background:null,fog:null,environment:null,overrideMaterial:null,isScene:!0};function H(){return null===x?A:1}let V,G,W,j,q,X,Y,Z,J,$,K,Q,tt,et,nt,it,rt,st,at,ot,lt,ct,ht,ut=n;function dt(t,n){for(let i=0;i0&&function(t,e,n){if(null===U){const t=!0===a&&!0===G.isWebGL2;U=new(t?kt:Ut)(1024,1024,{generateMipmaps:!0,type:null!==ct.convert(1016)?1016:1009,minFilter:1008,magFilter:1003,wrapS:1001,wrapT:1001})}const i=f.getRenderTarget();f.setRenderTarget(U),f.clear();const r=f.toneMapping;f.toneMapping=0,St(t,e,n),f.toneMapping=r,X.updateMultisampleRenderTarget(U),X.updateRenderTargetMipmap(U),f.setRenderTarget(i)}(r,e,n),i&&W.viewport(_.copy(i)),r.length>0&&St(r,e,n),s.length>0&&St(s,e,n),o.length>0&&St(o,e,n)}function St(t,e,n){const i=!0===e.isScene?e.overrideMaterial:null;for(let r=0,s=t.length;r0?m[m.length-1]:null,p.pop(),u=p.length>0?p[p.length-1]:null},this.getActiveCubeFace=function(){return v},this.getActiveMipmapLevel=function(){return y},this.getRenderTarget=function(){return x},this.setRenderTarget=function(t,e=0,n=0){x=t,v=e,y=n,t&&void 0===q.get(t).__webglFramebuffer&&X.setupRenderTarget(t);let i=null,r=!1,s=!1;if(t){const n=t.texture;(n.isDataTexture3D||n.isDataTexture2DArray)&&(s=!0);const a=q.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(i=a[e],r=!0):i=t.isWebGLMultisampleRenderTarget?q.get(t).__webglMultisampledFramebuffer:a,_.copy(t.viewport),M.copy(t.scissor),S=t.scissorTest}else _.copy(C).multiplyScalar(A).floor(),M.copy(P).multiplyScalar(A).floor(),S=I;if(W.bindFramebuffer(36160,i)&&G.drawBuffers){let e=!1;if(t)if(t.isWebGLMultipleRenderTargets){const n=t.texture;if(D.length!==n.length||36064!==D[0]){for(let t=0,e=n.length;t=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&ut.readPixels(e,n,i,r,ct.convert(o),ct.convert(l),s):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{const t=null!==x?q.get(x).__webglFramebuffer:null;W.bindFramebuffer(36160,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),s=Math.floor(e.image.height*i);let a=ct.convert(e.format);G.isWebGL2&&(6407===a&&(a=32849),6408===a&&(a=32856)),X.setTexture2D(e,0),ut.copyTexImage2D(3553,n,a,t.x,t.y,r,s,0),W.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,s=e.image.height,a=ct.convert(n.format),o=ct.convert(n.type);X.setTexture2D(n,0),ut.pixelStorei(37440,n.flipY),ut.pixelStorei(37441,n.premultiplyAlpha),ut.pixelStorei(3317,n.unpackAlignment),e.isDataTexture?ut.texSubImage2D(3553,i,t.x,t.y,r,s,a,o,e.image.data):e.isCompressedTexture?ut.compressedTexSubImage2D(3553,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,a,e.mipmaps[0].data):ut.texSubImage2D(3553,i,t.x,t.y,a,o,e.image),0===i&&n.generateMipmaps&&ut.generateMipmap(3553),W.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(f.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const s=t.max.x-t.min.x+1,a=t.max.y-t.min.y+1,o=t.max.z-t.min.z+1,l=ct.convert(i.format),c=ct.convert(i.type);let h;if(i.isDataTexture3D)X.setTexture3D(i,0),h=32879;else{if(!i.isDataTexture2DArray)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");X.setTexture2DArray(i,0),h=35866}ut.pixelStorei(37440,i.flipY),ut.pixelStorei(37441,i.premultiplyAlpha),ut.pixelStorei(3317,i.unpackAlignment);const u=ut.getParameter(3314),d=ut.getParameter(32878),p=ut.getParameter(3316),m=ut.getParameter(3315),g=ut.getParameter(32877),v=n.isCompressedTexture?n.mipmaps[0]:n.image;ut.pixelStorei(3314,v.width),ut.pixelStorei(32878,v.height),ut.pixelStorei(3316,t.min.x),ut.pixelStorei(3315,t.min.y),ut.pixelStorei(32877,t.min.z),n.isDataTexture||n.isDataTexture3D?ut.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,v.data):n.isCompressedTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),ut.compressedTexSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,v.data)):ut.texSubImage3D(h,r,e.x,e.y,e.z,s,a,o,l,c,v),ut.pixelStorei(3314,u),ut.pixelStorei(32878,d),ut.pixelStorei(3316,p),ut.pixelStorei(3315,m),ut.pixelStorei(32877,g),0===r&&i.generateMipmaps&&ut.generateMipmap(h),W.unbindTexture()},this.initTexture=function(t){X.setTexture2D(t,0),W.unbindTexture()},this.resetState=function(){v=0,y=0,x=null,W.reset(),ht.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}(class extends Xs{}).prototype.isWebGL1Renderer=!0;class Ys extends Ve{constructor(){super(),this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,this.autoUpdate=!0,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.autoUpdate=t.autoUpdate,this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),e}}Ys.prototype.isScene=!0;class Zs{constructor(t,e){this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=xt()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,n){t*=this.stride,n*=e.stride;for(let i=0,r=this.stride;it.far||e.push({distance:o,point:ta.clone(),uv:Qe.getUV(ta,aa,oa,la,ca,ha,ua,new At),face:null,object:this})}copy(t){return super.copy(t),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}).prototype.isSprite=!0;const pa=new Bt,ma=new Ot,fa=new Ot,ga=new Bt,va=new ve;class ya extends Vn{constructor(t,e){super(t,e),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new ve,this.bindMatrixInverse=new ve}copy(t){return super.copy(t),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new Ot,e=this.geometry.attributes.skinWeight;for(let n=0,i=e.count;no)continue;u.applyMatrix4(this.matrixWorld);const d=t.ray.origin.distanceTo(u);dt.far||e.push({distance:d,point:h.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}else{for(let n=Math.max(0,s.start),i=Math.min(r.count,s.start+s.count)-1;no)continue;u.applyMatrix4(this.matrixWorld);const i=t.ray.origin.distanceTo(u);it.far||e.push({distance:i,point:h.clone().applyMatrix4(this.matrixWorld),index:n,face:null,faceIndex:null,object:this})}}}else n.isGeometry&&console.error("THREE.Line.raycast() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}updateMorphTargets(){const t=this.geometry;if(t.isBufferGeometry){const e=t.morphAttributes,n=Object.keys(e);if(n.length>0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}Fa.prototype.isLine=!0;const Oa=new Bt,Ua=new Bt;class ka extends Fa{constructor(t,e){super(t,e),this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(t.isBufferGeometry)if(null===t.index){const e=t.attributes.position,n=[];for(let t=0,i=e.count;t0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}}}function qa(t,e,n,i,r,s,a){const o=Va.distanceSqToPoint(t);if(or.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:e,face:null,object:a})}}ja.prototype.isPoints=!0;(class extends Nt{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.format=void 0!==a?a:1022,this.minFilter=void 0!==s?s:1006,this.magFilter=void 0!==r?r:1006,this.generateMipmaps=!1;const c=this;"requestVideoFrameCallback"in t&&t.requestVideoFrameCallback((function e(){c.needsUpdate=!0,t.requestVideoFrameCallback(e)}))}clone(){return new this.constructor(this.image).copy(this)}update(){const t=this.image;!1==="requestVideoFrameCallback"in t&&t.readyState>=t.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}).prototype.isVideoTexture=!0;class Xa extends Nt{constructor(t,e,n,i,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,i,r,h,u),this.image={width:e,height:n},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}Xa.prototype.isCompressedTexture=!0;(class extends Nt{constructor(t,e,n,i,r,s,a,o,l){super(t,e,n,i,r,s,a,o,l),this.needsUpdate=!0}}).prototype.isCanvasTexture=!0;(class extends Nt{constructor(t,e,n,i,r,s,a,o,l,c){if(1026!==(c=void 0!==c?c:1026)&&1027!==c)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&1026===c&&(n=1012),void 0===n&&1027===c&&(n=1020),super(null,i,r,s,a,o,c,n,l),this.image={width:t,height:e},this.magFilter=void 0!==a?a:1003,this.minFilter=void 0!==o?o:1003,this.flipY=!1,this.generateMipmaps=!1}}).prototype.isDepthTexture=!0,new Bt,new Bt,new Bt,new Qe;class Ya{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const n=this.getUtoTmapping(t);return this.getPoint(n,e)}getPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPoint(n/t));return e}getSpacedPoints(t=5){const e=[];for(let n=0;n<=t;n++)e.push(this.getPointAt(n/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let n,i=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)n=this.getPoint(s/t),r+=n.distanceTo(i),e.push(r),i=n;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const n=this.getLengths();let i=0;const r=n.length;let s;s=e||t*n[r-1];let a,o=0,l=r-1;for(;o<=l;)if(i=Math.floor(o+(l-o)/2),a=n[i]-s,a<0)o=i+1;else{if(!(a>0)){l=i;break}l=i-1}if(i=l,n[i]===s)return i/(r-1);const c=n[i];return(i+(s-c)/(n[i+1]-c))/(r-1)}getTangent(t,e){const n=1e-4;let i=t-n,r=t+n;i<0&&(i=0),r>1&&(r=1);const s=this.getPoint(i),a=this.getPoint(r),o=e||(s.isVector2?new At:new Bt);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const n=this.getUtoTmapping(t);return this.getTangent(n,e)}computeFrenetFrames(t,e){const n=new Bt,i=[],r=[],s=[],a=new Bt,o=new ve;for(let e=0;e<=t;e++){const n=e/t;i[e]=this.getTangentAt(n,new Bt)}r[0]=new Bt,s[0]=new Bt;let l=Number.MAX_VALUE;const c=Math.abs(i[0].x),h=Math.abs(i[0].y),u=Math.abs(i[0].z);c<=l&&(l=c,n.set(1,0,0)),h<=l&&(l=h,n.set(0,1,0)),u<=l&&n.set(0,0,1),a.crossVectors(i[0],n).normalize(),r[0].crossVectors(i[0],a),s[0].crossVectors(i[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(i[e-1],i[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(bt(i[e-1].dot(i[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(i[e],r[e])}if(!0===e){let e=Math.acos(bt(r[0].dot(r[t]),-1,1));e/=t,i[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let n=1;n<=t;n++)r[n].applyMatrix4(o.makeRotationAxis(i[n],e*n)),s[n].crossVectors(i[n],r[n])}return{tangents:i,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class Za extends Ya{constructor(t=0,e=0,n=1,i=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=n,this.yRadius=i,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const n=e||new At,i=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=i[(l-1)%r]:(Ka.subVectors(i[0],i[1]).add(i[0]),a=Ka);const h=i[l%r],u=i[(l+1)%r];if(this.closed||l+2i.length-2?i.length-1:s+1],h=i[s>i.length-3?i.length-1:s+2];return n.set(io(a,o.x,l.x,c.x,h.x),io(a,o.y,l.y,c.y,h.y)),n}copy(t){super.copy(t),this.points=[];for(let e=0,n=t.points.length;e=n){const t=i[r]-n,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let n=0,i=this.curves.length;n1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,n=t.curves.length;e0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class go extends fo{constructor(t){super(t),this.uuid=xt(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let n=0,i=this.holes.length;n80*n){o=c=t[0],l=h=t[1];for(let e=n;ec&&(c=u),d>h&&(h=d);p=Math.max(c-o,h-l),p=0!==p?1/p:0}return bo(s,a,n,o,l,p),a};function yo(t,e,n,i,r){let s,a;if(r===function(t,e,n,i){let r=0;for(let s=e,a=n-i;s0)for(s=e;s=e;s-=i)a=zo(s,t[s],t[s+1],a);return a&&Do(a,a.next)&&(Bo(a),a=a.next),a}function xo(t,e){if(!t)return t;e||(e=t);let n,i=t;do{if(n=!1,i.steiner||!Do(i,i.next)&&0!==Io(i.prev,i,i.next))i=i.next;else{if(Bo(i),i=e=i.prev,i===i.next)break;n=!0}}while(n||i!==e);return e}function bo(t,e,n,i,r,s,a){if(!t)return;!a&&s&&function(t,e,n,i){let r=t;do{null===r.z&&(r.z=Lo(r.x,r.y,e,n,i)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let 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Eo(t,e){if(e=function(t,e){let n=e;const i=t.x,r=t.y;let s,a=-1/0;do{if(r<=n.y&&r>=n.next.y&&n.next.y!==n.y){const t=n.x+(r-n.y)*(n.next.x-n.x)/(n.next.y-n.y);if(t<=i&&t>a){if(a=t,t===i){if(r===n.y)return n;if(r===n.next.y)return n.next}s=n.x=n.x&&n.x>=l&&i!==n.x&&Co(rs.x||n.x===s.x&&Ao(s,n)))&&(s=n,u=h)),n=n.next}while(n!==o);return s}(t,e),e){const n=ko(e,t);xo(e,e.next),xo(n,n.next)}}function Ao(t,e){return Io(t.prev,t,e.prev)<0&&Io(e.next,t,t.next)<0}function Lo(t,e,n,i,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=32767*(t-n)*r)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=32767*(e-i)*r)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function Ro(t){let e=t,n=t;do{(e.x=0&&(t-a)*(i-o)-(n-a)*(e-o)>=0&&(n-a)*(s-o)-(r-a)*(i-o)>=0}function Po(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let n=t;do{if(n.i!==t.i&&n.next.i!==t.i&&n.i!==e.i&&n.next.i!==e.i&&No(n,n.next,t,e))return!0;n=n.next}while(n!==t);return!1}(t,e)&&(Uo(t,e)&&Uo(e,t)&&function(t,e){let n=t,i=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{n.y>s!=n.next.y>s&&n.next.y!==n.y&&r<(n.next.x-n.x)*(s-n.y)/(n.next.y-n.y)+n.x&&(i=!i),n=n.next}while(n!==t);return i}(t,e)&&(Io(t.prev,t,e.prev)||Io(t,e.prev,e))||Do(t,e)&&Io(t.prev,t,t.next)>0&&Io(e.prev,e,e.next)>0)}function Io(t,e,n){return(e.y-t.y)*(n.x-e.x)-(e.x-t.x)*(n.y-e.y)}function Do(t,e){return t.x===e.x&&t.y===e.y}function No(t,e,n,i){const r=Oo(Io(t,e,n)),s=Oo(Io(t,e,i)),a=Oo(Io(n,i,t)),o=Oo(Io(n,i,e));return r!==s&&a!==o||(!(0!==r||!Fo(t,n,e))||(!(0!==s||!Fo(t,i,e))||(!(0!==a||!Fo(n,t,i))||!(0!==o||!Fo(n,e,i)))))}function Fo(t,e,n){return e.x<=Math.max(t.x,n.x)&&e.x>=Math.min(t.x,n.x)&&e.y<=Math.max(t.y,n.y)&&e.y>=Math.min(t.y,n.y)}function Oo(t){return t>0?1:t<0?-1:0}function Uo(t,e){return Io(t.prev,t,t.next)<0?Io(t,e,t.next)>=0&&Io(t,t.prev,e)>=0:Io(t,e,t.prev)<0||Io(t,t.next,e)<0}function ko(t,e){const n=new Ho(t.i,t.x,t.y),i=new Ho(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,n.next=r,r.prev=n,i.next=n,n.prev=i,s.next=i,i.prev=s,i}function zo(t,e,n,i){const r=new Ho(t,e,n);return i?(r.next=i.next,r.prev=i,i.next.prev=r,i.next=r):(r.prev=r,r.next=r),r}function Bo(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function Ho(t,e,n){this.i=t,this.x=e,this.y=n,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}class Vo{static area(t){const e=t.length;let n=0;for(let i=e-1,r=0;r2&&t[e-1].equals(t[0])&&t.pop()}function Wo(t,e){for(let n=0;nNumber.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((n.x-c/d-p)*c-(n.y+l/d-m)*l)/(a*c-o*l);i=p+a*f-t.x,r=m+o*f-t.y;const g=i*i+r*r;if(g<=2)return new At(i,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(i=-o,r=a,s=Math.sqrt(h)):(i=a,r=o,s=Math.sqrt(h/2))}return new At(i/s,r/s)}const P=[];for(let t=0,e=E.length,n=e-1,i=t+1;t=0;t--){const e=t/p,n=h*Math.cos(e*Math.PI/2),i=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=E.length;t=0;){const i=n;let r=n-1;r<0&&(r=t.length-1);for(let t=0,n=o+2*p;t0!=t>0&&this.version++,this._sheen=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.ior=t.ior,this.sheen=t.sheen,this.sheenTint.copy(t.sheenTint),this.sheenRoughness=t.sheenRoughness,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationTint.copy(t.attenuationTint),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularTint.copy(t.specularTint),this.specularTintMap=t.specularTintMap,this}}Jo.prototype.isMeshPhysicalMaterial=!0;(class extends en{constructor(t){super(),this.type="MeshPhongMaterial",this.color=new cn(16777215),this.specular=new cn(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new cn(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new At(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this}}).prototype.isMeshPhongMaterial=!0;(class extends en{constructor(t){super(),this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new cn(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new cn(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new At(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}).prototype.isMeshToonMaterial=!0;(class extends en{constructor(t){super(),this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new At(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}).prototype.isMeshNormalMaterial=!0;(class extends en{constructor(t){super(),this.type="MeshLambertMaterial",this.color=new cn(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new cn(0),this.emissiveIntensity=1,this.emissiveMap=null,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this}}).prototype.isMeshLambertMaterial=!0;(class extends en{constructor(t){super(),this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new cn(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new At(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this}}).prototype.isMeshMatcapMaterial=!0;(class extends Ra{constructor(t){super(),this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}).prototype.isLineDashedMaterial=!0;const $o={arraySlice:function(t,e,n){return $o.isTypedArray(t)?new t.constructor(t.subarray(e,void 0!==n?n:t.length)):t.slice(e,n)},convertArray:function(t,e,n){return!t||!n&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)},isTypedArray:function(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)},getKeyframeOrder:function(t){const e=t.length,n=new Array(e);for(let t=0;t!==e;++t)n[t]=t;return n.sort((function(e,n){return t[e]-t[n]})),n},sortedArray:function(t,e,n){const i=t.length,r=new t.constructor(i);for(let s=0,a=0;a!==i;++s){const i=n[s]*e;for(let n=0;n!==e;++n)r[a++]=t[i+n]}return r},flattenJSON:function(t,e,n,i){let r=1,s=t[0];for(;void 0!==s&&void 0===s[i];)s=t[r++];if(void 0===s)return;let a=s[i];if(void 0!==a)if(Array.isArray(a))do{a=s[i],void 0!==a&&(e.push(s.time),n.push.apply(n,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[i],void 0!==a&&(e.push(s.time),a.toArray(n,n.length)),s=t[r++]}while(void 0!==s);else do{a=s[i],void 0!==a&&(e.push(s.time),n.push(a)),s=t[r++]}while(void 0!==s)},subclip:function(t,e,n,i,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t=i)){l.push(e.times[t]);for(let n=0;ns.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t=i.times[u]){const t=u*l+o,e=t+l-o;d=$o.arraySlice(i.values,t,e)}else{const t=i.createInterpolant(),e=o,n=l-o;t.evaluate(s),d=$o.arraySlice(t.resultBuffer,e,n)}if("quaternion"===r){(new zt).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t=r)break t;{const a=e[1];t=r)break e}s=n,n=0}}for(;n>>1;te;)--s;if(++s,0!==r||s!==i){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=$o.arraySlice(n,r,s),this.values=$o.arraySlice(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const i=n[e];if("number"==typeof i&&isNaN(i)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,i),t=!1;break}if(null!==s&&s>i){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,i,s),t=!1;break}s=i}if(void 0!==i&&$o.isTypedArray(i))for(let e=0,n=i.length;e!==n;++e){const n=i[e];if(isNaN(n)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,n),t=!1;break}}return t}optimize(){const t=$o.arraySlice(this.times),e=$o.arraySlice(this.values),n=this.getValueSize(),i=2302===this.getInterpolation(),r=t.length-1;let s=1;for(let a=1;a0){t[s]=t[r];for(let t=r*n,i=s*n,a=0;a!==n;++a)e[i+a]=e[t+a];++s}return s!==t.length?(this.times=$o.arraySlice(t,0,s),this.values=$o.arraySlice(e,0,s*n)):(this.times=t,this.values=e),this}clone(){const t=$o.arraySlice(this.times,0),e=$o.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,t,e);return n.createInterpolant=this.createInterpolant,n}}nl.prototype.TimeBufferType=Float32Array,nl.prototype.ValueBufferType=Float32Array,nl.prototype.DefaultInterpolation=2301;class il extends nl{}il.prototype.ValueTypeName="bool",il.prototype.ValueBufferType=Array,il.prototype.DefaultInterpolation=2300,il.prototype.InterpolantFactoryMethodLinear=void 0,il.prototype.InterpolantFactoryMethodSmooth=void 0;class rl extends nl{}rl.prototype.ValueTypeName="color";class sl extends nl{}sl.prototype.ValueTypeName="number";class al extends Ko{constructor(t,e,n,i){super(t,e,n,i)}interpolate_(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(n-e)/(i-e);let l=t*a;for(let t=l+a;l!==t;l+=4)zt.slerpFlat(r,0,s,l-a,s,l,o);return r}}class ol extends nl{InterpolantFactoryMethodLinear(t){return new al(this.times,this.values,this.getValueSize(),t)}}ol.prototype.ValueTypeName="quaternion",ol.prototype.DefaultInterpolation=2301,ol.prototype.InterpolantFactoryMethodSmooth=void 0;class ll extends nl{}ll.prototype.ValueTypeName="string",ll.prototype.ValueBufferType=Array,ll.prototype.DefaultInterpolation=2300,ll.prototype.InterpolantFactoryMethodLinear=void 0,ll.prototype.InterpolantFactoryMethodSmooth=void 0;class cl extends nl{}cl.prototype.ValueTypeName="vector";class hl{constructor(t,e=-1,n,i=2500){this.name=t,this.tracks=n,this.duration=e,this.blendMode=i,this.uuid=xt(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],n=t.tracks,i=1/(t.fps||1);for(let t=0,r=n.length;t!==r;++t)e.push(ul(n[t]).scale(i));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],n=t.tracks,i={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,i=n.length;t!==i;++t)e.push(nl.toJSON(n[t]));return i}static CreateFromMorphTargetSequence(t,e,n,i){const r=e.length,s=[];for(let t=0;t1){const t=s[1];let e=i[t];e||(i[t]=e=[]),e.push(n)}}const s=[];for(const t in i)s.push(this.CreateFromMorphTargetSequence(t,i[t],e,n));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(t,e,n,i,r){if(0!==n.length){const s=[],a=[];$o.flattenJSON(n,s,a,i),0!==s.length&&r.push(new t(e,s,a))}},i=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t0&&this._mixBufferRegionAdditive(n,i,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(n[t]!==n[t+e]){a.setValue(n,i);break}}saveOriginalState(){const t=this.binding,e=this.buffer,n=this.valueSize,i=n*this._origIndex;t.getValue(e,i);for(let t=n,r=i;t!==r;++t)e[t]=e[i+t%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let n=t;n=.5)for(let i=0;i!==r;++i)t[e+i]=t[n+i]}_slerp(t,e,n,i){zt.slerpFlat(t,e,t,e,t,n,i)}_slerpAdditive(t,e,n,i,r){const s=this._workIndex*r;zt.multiplyQuaternionsFlat(t,s,t,e,t,n),zt.slerpFlat(t,e,t,e,t,s,i)}_lerp(t,e,n,i,r){const s=1-i;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[n+a]*i}}_lerpAdditive(t,e,n,i,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[n+s]*i}}}const Gl=new RegExp("[\\[\\]\\.:\\/]","g"),Wl="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",jl=/((?:WC+[\/:])*)/.source.replace("WC","[^\\[\\]\\.:\\/]"),ql=/(WCOD+)?/.source.replace("WCOD",Wl),Xl=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC","[^\\[\\]\\.:\\/]"),Yl=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC","[^\\[\\]\\.:\\/]"),Zl=new RegExp("^"+jl+ql+Xl+Yl+"$"),Jl=["material","materials","bones"];class $l{constructor(t,e,n){this.path=e,this.parsedPath=n||$l.parseTrackName(e),this.node=$l.findNode(t,this.parsedPath.nodeName)||t,this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,n){return t&&t.isAnimationObjectGroup?new $l.Composite(t,e,n):new $l(t,e,n)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(Gl,"")}static parseTrackName(t){const e=Zl.exec(t);if(!e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const n={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const t=n.nodeName.substring(i+1);-1!==Jl.indexOf(t)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=t)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return n}static findNode(t,e){if(!e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const n=t.skeleton.getBoneByName(e);if(void 0!==n)return n}if(t.children){const n=function(t){for(let i=0;i0){const t=this._interpolants,e=this._propertyBindings;if(2501===this.blendMode)for(let n=0,i=t.length;n!==i;++n)t[n].evaluate(s),e[n].accumulateAdditive(a);else for(let n=0,r=t.length;n!==r;++n)t[n].evaluate(s),e[n].accumulate(i,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const n=this._weightInterpolant;if(null!==n){const i=n.evaluate(t)[0];e*=i,t>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const n=this._timeScaleInterpolant;if(null!==n){e*=n.evaluate(t)[0],t>n.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,n=this.loop;let i=this.time+t,r=this._loopCount;const s=2202===n;if(0===t)return-1===r?i:s&&1==(1&r)?e-i:i;if(2200===n){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(i>=e)i=e;else{if(!(i<0)){this.time=i;break t}i=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),i>=e||i<0){const n=Math.floor(i/e);i-=e*n,r+=Math.abs(n);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,i=t>0?e:0,this.time=i,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=i,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:n})}}else this.time=i;if(s&&1==(1&r))return e-i}return i}_setEndings(t,e,n){const i=this._interpolantSettings;n?(i.endingStart=2401,i.endingEnd=2401):(i.endingStart=t?this.zeroSlopeAtStart?2401:2400:2402,i.endingEnd=e?this.zeroSlopeAtEnd?2401:2400:2402)}_scheduleFading(t,e,n){const i=this._mixer,r=i.time;let s=this._weightInterpolant;null===s&&(s=i._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=n,this}}class Ql extends pt{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const n=t._localRoot||this._root,i=t._clip.tracks,r=i.length,s=t._propertyBindings,a=t._interpolants,o=n.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=i[t],l=r.name;let h=c[l];if(void 0!==h)s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const i=e&&e._propertyBindings[t].binding.parsedPath;h=new Vl($l.create(n,l,i),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,n=t._clip.uuid,i=this._actionsByClip[n];this._bindAction(t,i&&i.knownActions[0]),this._addInactiveAction(t,n,e)}const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==n.useCount++&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,n=e.length;t!==n;++t){const n=e[t];0==--n.useCount&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,n=this._nActiveActions,i=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==n;++a){e[a]._update(i,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;t65504&&(console.warn("THREE.DataUtils.toHalfFloat(): value exceeds 65504."),t=65504),oc[0]=t;const e=lc[0];let n=e>>16&32768,i=e>>12&2047;const r=e>>23&255;return r<103?n:r>142?(n|=31744,n|=(255==r?0:1)&&8388607&e,n):r<113?(i|=2048,n|=(i>>114-r)+(i>>113-r&1),n):(n|=r-112<<10|i>>1,n+=1&i,n)}}Ya.create=function(t,e){return console.log("THREE.Curve.create() has been deprecated"),t.prototype=Object.create(Ya.prototype),t.prototype.constructor=t,t.prototype.getPoint=e,t},fo.prototype.fromPoints=function(t){return console.warn("THREE.Path: .fromPoints() has been renamed to .setFromPoints()."),this.setFromPoints(t)},class extends ka{constructor(t=10,e=10,n=4473924,i=8947848){n=new cn(n),i=new cn(i);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,c=0,h=-a;t<=e;t++,h+=s){o.push(-a,0,h,a,0,h),o.push(h,0,-a,h,0,a);const e=t===r?n:i;e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3}const c=new Sn;c.setAttribute("position",new gn(o,3)),c.setAttribute("color",new gn(l,3));super(c,new Ra({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}}.prototype.setColors=function(){console.error("THREE.GridHelper: setColors() has been deprecated, pass them in the constructor instead.")},class extends ka{constructor(t){const e=ac(t),n=new Sn,i=[],r=[],s=new cn(0,0,1),a=new cn(0,1,0);for(let t=0;t0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t{const e=t.draco,a=new e.Decoder,o=new e.DecoderBuffer;o.Init(new Int8Array(i),i.byteLength);try{const t=function(t,e,i,r){const s=r.attributeIDs,a=r.attributeTypes;let o,l;const c=e.GetEncodedGeometryType(i);if(c===t.TRIANGULAR_MESH)o=new t.Mesh,l=e.DecodeBufferToMesh(i,o);else{if(c!==t.POINT_CLOUD)throw new Error("THREE.DRACOLoader: Unexpected geometry type.");o=new t.PointCloud,l=e.DecodeBufferToPointCloud(i,o)}if(!l.ok()||0===o.ptr)throw new Error("THREE.DRACOLoader: Decoding failed: "+l.error_msg());const h={index:null,attributes:[]};for(const i in s){const l=self[a[i]];let c,u;if(r.useUniqueIDs)u=s[i],c=e.GetAttributeByUniqueId(o,u);else{if(u=e.GetAttributeId(o,t[s[i]]),-1===u)continue;c=e.GetAttribute(o,u)}h.attributes.push(n(t,e,o,i,l,c))}c===t.TRIANGULAR_MESH&&(h.index=function(t,e,n){const i=3*n.num_faces(),r=4*i,s=t._malloc(r);e.GetTrianglesUInt32Array(n,r,s);const a=new Uint32Array(t.HEAPF32.buffer,s,i).slice();return t._free(s),{array:a,itemSize:1}}(t,e,o));return t.destroy(o),h}(e,a,o,s),i=t.attributes.map((t=>t.array.buffer));t.index&&i.push(t.index.array.buffer),self.postMessage({type:"decode",id:r.id,geometry:t},i)}catch(t){console.error(t),self.postMessage({type:"error",id:r.id,error:t.message})}finally{e.destroy(o),e.destroy(a)}}))}}}class dc extends ml{constructor(t){super(t),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register((function(t){return new vc(t)})),this.register((function(t){return new _c(t)})),this.register((function(t){return new Mc(t)})),this.register((function(t){return new yc(t)})),this.register((function(t){return new xc(t)})),this.register((function(t){return new bc(t)})),this.register((function(t){return new wc(t)})),this.register((function(t){return new fc(t)})),this.register((function(t){return new Sc(t)}))}load(t,e,n,i){const r=this;let s;s=""!==this.resourcePath?this.resourcePath:""!==this.path?this.path:Ul.extractUrlBase(t),this.manager.itemStart(t);const a=function(e){i?i(e):console.error(e),r.manager.itemError(t),r.manager.itemEnd(t)},o=new gl(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(t,(function(n){try{r.parse(n,s,(function(n){e(n),r.manager.itemEnd(t)}),a)}catch(t){a(t)}}),n,a)}setDRACOLoader(t){return this.dracoLoader=t,this}setDDSLoader(){throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".')}setKTX2Loader(t){return this.ktx2Loader=t,this}setMeshoptDecoder(t){return this.meshoptDecoder=t,this}register(t){return-1===this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.push(t),this}unregister(t){return-1!==this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,e,n,i){let r;const s={},a={};if("string"==typeof t)r=t;else{if(Ul.decodeText(new Uint8Array(t,0,4))===Tc){try{s[mc.KHR_BINARY_GLTF]=new Lc(t)}catch(t){return void(i&&i(t))}r=s[mc.KHR_BINARY_GLTF].content}else r=Ul.decodeText(new Uint8Array(t))}const o=JSON.parse(r);if(void 0===o.asset||o.asset.version[0]<2)return void(i&&i(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const l=new lh(o,{path:e||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});l.fileLoader.setRequestHeader(this.requestHeader);for(let t=0;t=0&&void 0===a[e]&&console.warn('THREE.GLTFLoader: Unknown extension "'+e+'".')}}l.setExtensions(s),l.setPlugins(a),l.parse(n,i)}}function pc(){let t={};return{get:function(e){return t[e]},add:function(e,n){t[e]=n},remove:function(e){delete t[e]},removeAll:function(){t={}}}}const mc={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:"KHR_materials_pbrSpecularGlossiness",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression"};class fc{constructor(t){this.parser=t,this.name=mc.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const t=this.parser,e=this.parser.json.nodes||[];for(let n=0,i=e.length;n=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return e.loadTextureImage(t,s,a)}}class Mc{constructor(t){this.parser=t,this.name=mc.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(t){const e=this.name,n=this.parser,i=n.json,r=i.textures[t];if(!r.extensions||!r.extensions[e])return null;const s=r.extensions[e],a=i.images[s.source];let o=n.textureLoader;if(a.uri){const t=n.options.manager.getHandler(a.uri);null!==t&&(o=t)}return this.detectSupport().then((function(r){if(r)return n.loadTextureImage(t,a,o);if(i.extensionsRequired&&i.extensionsRequired.indexOf(e)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return n.loadTexture(t)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(t){const e=new Image;e.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",e.onload=e.onerror=function(){t(1===e.height)}}))),this.isSupported}}class Sc{constructor(t){this.name=mc.EXT_MESHOPT_COMPRESSION,this.parser=t}loadBufferView(t){const e=this.parser.json,n=e.bufferViews[t];if(n.extensions&&n.extensions[this.name]){const t=n.extensions[this.name],i=this.parser.getDependency("buffer",t.buffer),r=this.parser.options.meshoptDecoder;if(!r||!r.supported){if(e.extensionsRequired&&e.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return Promise.all([i,r.ready]).then((function(e){const n=t.byteOffset||0,i=t.byteLength||0,s=t.count,a=t.byteStride,o=new ArrayBuffer(s*a),l=new Uint8Array(e[0],n,i);return r.decodeGltfBuffer(new Uint8Array(o),s,a,l,t.mode,t.filter),o}))}return null}}const Tc="glTF",Ec=1313821514,Ac=5130562;class Lc{constructor(t){this.name=mc.KHR_BINARY_GLTF,this.content=null,this.body=null;const e=new DataView(t,0,12);if(this.header={magic:Ul.decodeText(new Uint8Array(t.slice(0,4))),version:e.getUint32(4,!0),length:e.getUint32(8,!0)},this.header.magic!==Tc)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const n=this.header.length-12,i=new DataView(t,12);let r=0;for(;r",e).replace("#include ",n).replace("#include ",i).replace("#include ",r).replace("#include ",s)},Object.defineProperties(this,{specular:{get:function(){return a.specular.value},set:function(t){a.specular.value=t}},specularMap:{get:function(){return a.specularMap.value},set:function(t){a.specularMap.value=t,t?this.defines.USE_SPECULARMAP="":delete this.defines.USE_SPECULARMAP}},glossiness:{get:function(){return a.glossiness.value},set:function(t){a.glossiness.value=t}},glossinessMap:{get:function(){return a.glossinessMap.value},set:function(t){a.glossinessMap.value=t,t?(this.defines.USE_GLOSSINESSMAP="",this.defines.USE_UV=""):(delete this.defines.USE_GLOSSINESSMAP,delete this.defines.USE_UV)}}}),delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this.setValues(t)}copy(t){return super.copy(t),this.specularMap=t.specularMap,this.specular.copy(t.specular),this.glossinessMap=t.glossinessMap,this.glossiness=t.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this}}class Ic{constructor(){this.name=mc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,this.specularGlossinessParams=["color","map","lightMap","lightMapIntensity","aoMap","aoMapIntensity","emissive","emissiveIntensity","emissiveMap","bumpMap","bumpScale","normalMap","normalMapType","displacementMap","displacementScale","displacementBias","specularMap","specular","glossinessMap","glossiness","alphaMap","envMap","envMapIntensity","refractionRatio"]}getMaterialType(){return Pc}extendParams(t,e,n){const i=e.extensions[this.name];t.color=new cn(1,1,1),t.opacity=1;const r=[];if(Array.isArray(i.diffuseFactor)){const e=i.diffuseFactor;t.color.fromArray(e),t.opacity=e[3]}if(void 0!==i.diffuseTexture&&r.push(n.assignTexture(t,"map",i.diffuseTexture)),t.emissive=new cn(0,0,0),t.glossiness=void 0!==i.glossinessFactor?i.glossinessFactor:1,t.specular=new cn(1,1,1),Array.isArray(i.specularFactor)&&t.specular.fromArray(i.specularFactor),void 0!==i.specularGlossinessTexture){const e=i.specularGlossinessTexture;r.push(n.assignTexture(t,"glossinessMap",e)),r.push(n.assignTexture(t,"specularMap",e))}return Promise.all(r)}createMaterial(t){const e=new Pc(t);return e.fog=!0,e.color=t.color,e.map=void 0===t.map?null:t.map,e.lightMap=null,e.lightMapIntensity=1,e.aoMap=void 0===t.aoMap?null:t.aoMap,e.aoMapIntensity=1,e.emissive=t.emissive,e.emissiveIntensity=1,e.emissiveMap=void 0===t.emissiveMap?null:t.emissiveMap,e.bumpMap=void 0===t.bumpMap?null:t.bumpMap,e.bumpScale=1,e.normalMap=void 0===t.normalMap?null:t.normalMap,e.normalMapType=0,t.normalScale&&(e.normalScale=t.normalScale),e.displacementMap=null,e.displacementScale=1,e.displacementBias=0,e.specularMap=void 0===t.specularMap?null:t.specularMap,e.specular=t.specular,e.glossinessMap=void 0===t.glossinessMap?null:t.glossinessMap,e.glossiness=t.glossiness,e.alphaMap=null,e.envMap=void 0===t.envMap?null:t.envMap,e.envMapIntensity=1,e.refractionRatio=.98,e}}class Dc{constructor(){this.name=mc.KHR_MESH_QUANTIZATION}}class Nc extends Ko{constructor(t,e,n,i){super(t,e,n,i)}copySampleValue_(t){const e=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=t*i*3+i;for(let t=0;t!==i;t++)e[t]=n[r+t];return e}}Nc.prototype.beforeStart_=Nc.prototype.copySampleValue_,Nc.prototype.afterEnd_=Nc.prototype.copySampleValue_,Nc.prototype.interpolate_=function(t,e,n,i){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=2*a,l=3*a,c=i-e,h=(n-e)/c,u=h*h,d=u*h,p=t*l,m=p-l,f=-2*d+3*u,g=d-u,v=1-f,y=g-u+h;for(let t=0;t!==a;t++){const e=s[m+t+a],n=s[m+t+o]*c,i=s[p+t+a],l=s[p+t]*c;r[t]=v*e+y*n+f*i+g*l}return r};const Fc=new zt;class Oc extends Nc{interpolate_(t,e,n,i){const r=super.interpolate_(t,e,n,i);return Fc.fromArray(r).normalize().toArray(r),r}}const Uc=0,kc=1,zc=2,Bc=3,Hc=4,Vc=5,Gc=6,Wc={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},jc={9728:1003,9729:1006,9984:1004,9985:1007,9986:1005,9987:1008},qc={33071:1001,33648:1002,10497:1e3},Xc={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},Yc={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv2",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},Zc={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},Jc={CUBICSPLINE:void 0,LINEAR:2301,STEP:2300},$c="OPAQUE",Kc="MASK",Qc="BLEND";function th(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}function eh(t){return void 0===t.DefaultMaterial&&(t.DefaultMaterial=new Zo({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),t.DefaultMaterial}function nh(t,e,n){for(const i in n.extensions)void 0===t[i]&&(e.userData.gltfExtensions=e.userData.gltfExtensions||{},e.userData.gltfExtensions[i]=n.extensions[i])}function ih(t,e){void 0!==e.extras&&("object"==typeof e.extras?Object.assign(t.userData,e.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+e.extras))}function rh(t,e){if(t.updateMorphTargets(),void 0!==e.weights)for(let n=0,i=e.weights.length;n{const n=this.associations.get(t);null!=n&&this.associations.set(e,n);for(const[n,i]of t.children.entries())r(i,e.children[n])};return r(n,i),i.name+="_instance_"+t.uses[e]++,i}_invokeOne(t){const e=Object.values(this.plugins);e.push(this);for(let n=0;n=2&&p.setY(e,h[t*s+1]),s>=3&&p.setZ(e,h[t*s+2]),s>=4&&p.setW(e,h[t*s+3]),s>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return p}))}loadTexture(t){const e=this.json,n=this.options,i=e.textures[t],r=e.images[i.source];let s=this.textureLoader;if(r.uri){const t=n.manager.getHandler(r.uri);null!==t&&(s=t)}return this.loadTextureImage(t,r,s)}loadTextureImage(t,e,n){const i=this,r=this.json,s=this.options,a=r.textures[t],o=(e.uri||e.bufferView)+":"+a.sampler;if(this.textureCache[o])return this.textureCache[o];const l=self.URL||self.webkitURL;let c=e.uri||"",h=!1;if(void 0!==e.bufferView)c=i.getDependency("bufferView",e.bufferView).then((function(t){h=!0;const n=new Blob([t],{type:e.mimeType});return c=l.createObjectURL(n),c}));else if(void 0===e.uri)throw new Error("THREE.GLTFLoader: Image "+t+" is missing URI and bufferView");const u=Promise.resolve(c).then((function(t){return new Promise((function(e,i){let r=e;!0===n.isImageBitmapLoader&&(r=function(t){const n=new Nt(t);n.needsUpdate=!0,e(n)}),n.load(th(t,s.path),r,void 0,i)}))})).then((function(e){!0===h&&l.revokeObjectURL(c),e.flipY=!1,a.name&&(e.name=a.name);const n=(r.samplers||{})[a.sampler]||{};return e.magFilter=jc[n.magFilter]||1006,e.minFilter=jc[n.minFilter]||1008,e.wrapS=qc[n.wrapS]||1e3,e.wrapT=qc[n.wrapT]||1e3,i.associations.set(e,{textures:t}),e})).catch((function(){return console.error("THREE.GLTFLoader: Couldn't load texture",c),null}));return this.textureCache[o]=u,u}assignTexture(t,e,n){const i=this;return this.getDependency("texture",n.index).then((function(r){if(void 0===n.texCoord||0==n.texCoord||"aoMap"===e&&1==n.texCoord||console.warn("THREE.GLTFLoader: Custom UV set "+n.texCoord+" for texture "+e+" not yet supported."),i.extensions[mc.KHR_TEXTURE_TRANSFORM]){const t=void 0!==n.extensions?n.extensions[mc.KHR_TEXTURE_TRANSFORM]:void 0;if(t){const e=i.associations.get(r);r=i.extensions[mc.KHR_TEXTURE_TRANSFORM].extendTexture(r,t),i.associations.set(r,e)}}return t[e]=r,r}))}assignFinalMaterial(t){const e=t.geometry;let n=t.material;const i=void 0===e.attributes.tangent,r=void 0!==e.attributes.color,s=void 0===e.attributes.normal;if(t.isPoints){const t="PointsMaterial:"+n.uuid;let e=this.cache.get(t);e||(e=new Ba,en.prototype.copy.call(e,n),e.color.copy(n.color),e.map=n.map,e.sizeAttenuation=!1,this.cache.add(t,e)),n=e}else if(t.isLine){const t="LineBasicMaterial:"+n.uuid;let e=this.cache.get(t);e||(e=new Ra,en.prototype.copy.call(e,n),e.color.copy(n.color),this.cache.add(t,e)),n=e}if(i||r||s){let t="ClonedMaterial:"+n.uuid+":";n.isGLTFSpecularGlossinessMaterial&&(t+="specular-glossiness:"),i&&(t+="derivative-tangents:"),r&&(t+="vertex-colors:"),s&&(t+="flat-shading:");let e=this.cache.get(t);e||(e=n.clone(),r&&(e.vertexColors=!0),s&&(e.flatShading=!0),i&&(e.normalScale&&(e.normalScale.y*=-1),e.clearcoatNormalScale&&(e.clearcoatNormalScale.y*=-1)),this.cache.add(t,e),this.associations.set(e,this.associations.get(n))),n=e}n.aoMap&&void 0===e.attributes.uv2&&void 0!==e.attributes.uv&&e.setAttribute("uv2",e.attributes.uv),t.material=n}getMaterialType(){return Zo}loadMaterial(t){const e=this,n=this.json,i=this.extensions,r=n.materials[t];let s;const a={},o=r.extensions||{},l=[];if(o[mc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]){const t=i[mc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];s=t.getMaterialType(),l.push(t.extendParams(a,r,e))}else if(o[mc.KHR_MATERIALS_UNLIT]){const t=i[mc.KHR_MATERIALS_UNLIT];s=t.getMaterialType(),l.push(t.extendParams(a,r,e))}else{const n=r.pbrMetallicRoughness||{};if(a.color=new cn(1,1,1),a.opacity=1,Array.isArray(n.baseColorFactor)){const t=n.baseColorFactor;a.color.fromArray(t),a.opacity=t[3]}void 0!==n.baseColorTexture&&l.push(e.assignTexture(a,"map",n.baseColorTexture)),a.metalness=void 0!==n.metallicFactor?n.metallicFactor:1,a.roughness=void 0!==n.roughnessFactor?n.roughnessFactor:1,void 0!==n.metallicRoughnessTexture&&(l.push(e.assignTexture(a,"metalnessMap",n.metallicRoughnessTexture)),l.push(e.assignTexture(a,"roughnessMap",n.metallicRoughnessTexture))),s=this._invokeOne((function(e){return e.getMaterialType&&e.getMaterialType(t)})),l.push(Promise.all(this._invokeAll((function(e){return e.extendMaterialParams&&e.extendMaterialParams(t,a)}))))}!0===r.doubleSided&&(a.side=2);const c=r.alphaMode||$c;if(c===Qc?(a.transparent=!0,a.depthWrite=!1):(a.format=1022,a.transparent=!1,c===Kc&&(a.alphaTest=void 0!==r.alphaCutoff?r.alphaCutoff:.5)),void 0!==r.normalTexture&&s!==hn&&(l.push(e.assignTexture(a,"normalMap",r.normalTexture)),a.normalScale=new At(1,1),void 0!==r.normalTexture.scale)){const t=r.normalTexture.scale;a.normalScale.set(t,t)}return void 0!==r.occlusionTexture&&s!==hn&&(l.push(e.assignTexture(a,"aoMap",r.occlusionTexture)),void 0!==r.occlusionTexture.strength&&(a.aoMapIntensity=r.occlusionTexture.strength)),void 0!==r.emissiveFactor&&s!==hn&&(a.emissive=(new cn).fromArray(r.emissiveFactor)),void 0!==r.emissiveTexture&&s!==hn&&l.push(e.assignTexture(a,"emissiveMap",r.emissiveTexture)),Promise.all(l).then((function(){let n;return n=s===Pc?i[mc.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(a):new s(a),r.name&&(n.name=r.name),n.map&&(n.map.encoding=3001),n.emissiveMap&&(n.emissiveMap.encoding=3001),ih(n,r),e.associations.set(n,{materials:t}),r.extensions&&nh(i,n,r),n}))}createUniqueName(t){const e=$l.sanitizeNodeName(t||"");let n=e;for(let t=1;this.nodeNamesUsed[n];++t)n=e+"_"+t;return this.nodeNamesUsed[n]=!0,n}loadGeometries(t){const e=this,n=this.extensions,i=this.primitiveCache;function r(t){return n[mc.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(t,e).then((function(n){return hh(n,t,e)}))}const s=[];for(let n=0,a=t.length;n0&&rh(u,r),u.name=e.createUniqueName(r.name||"mesh_"+t),ih(u,r),h.extensions&&nh(i,u,h),e.assignFinalMaterial(u),l.push(u)}for(let n=0,i=l.length;n1?new Vs:1===e.length?e[0]:new Ve,a!==e[0])for(let t=0,n=e.length;t{const e=new Map;for(const[t,n]of r.associations)(t instanceof en||t instanceof Nt)&&e.set(t,n);return t.traverse((t=>{const n=r.associations.get(t);null!=n&&e.set(t,n)})),e})(s),s}))}}function ch(t,e,n,i){const r=n.nodes[t];return i.getDependency("node",t).then((function(t){if(void 0===r.skin)return t;let e;return i.getDependency("skin",r.skin).then((function(t){e=t;const n=[];for(let t=0,r=e.joints.length;t{const i=this._getIdleWorker();-1!==i?(this._initWorker(i),this.workerStatus|=1<t.terminate())),this.workersResolve.length=0,this.workers.length=0,this.queue.length=0,this.workerStatus=0}}const ph=new WeakMap;class mh extends ml{constructor(t){super(t),this.transcoderPath="",this.transcoderBinary=null,this.transcoderPending=null,this.workerPool=new dh,this.workerSourceURL="",this.workerConfig=null,"undefined"!=typeof MSC_TRANSCODER&&console.warn('THREE.KTX2Loader: Please update to latest "basis_transcoder". "msc_basis_transcoder" is no longer supported in three.js r125+.')}setTranscoderPath(t){return this.transcoderPath=t,this}setWorkerLimit(t){return this.workerPool.setWorkerLimit(t),this}detectSupport(t){return this.workerConfig={astcSupported:t.extensions.has("WEBGL_compressed_texture_astc"),etc1Supported:t.extensions.has("WEBGL_compressed_texture_etc1"),etc2Supported:t.extensions.has("WEBGL_compressed_texture_etc"),dxtSupported:t.extensions.has("WEBGL_compressed_texture_s3tc"),bptcSupported:t.extensions.has("EXT_texture_compression_bptc"),pvrtcSupported:t.extensions.has("WEBGL_compressed_texture_pvrtc")||t.extensions.has("WEBKIT_WEBGL_compressed_texture_pvrtc")},this}dispose(){return this.workerPool.dispose(),this.workerSourceURL&&URL.revokeObjectURL(this.workerSourceURL),this}init(){if(!this.transcoderPending){const t=new gl(this.manager);t.setPath(this.transcoderPath),t.setWithCredentials(this.withCredentials);const e=t.loadAsync("basis_transcoder.js"),n=new gl(this.manager);n.setPath(this.transcoderPath),n.setResponseType("arraybuffer"),n.setWithCredentials(this.withCredentials);const i=n.loadAsync("basis_transcoder.wasm");this.transcoderPending=Promise.all([e,i]).then((([t,e])=>{const n=mh.BasisWorker.toString(),i=["/* constants */","let _EngineFormat = "+JSON.stringify(mh.EngineFormat),"let _TranscoderFormat = "+JSON.stringify(mh.TranscoderFormat),"let _BasisFormat = "+JSON.stringify(mh.BasisFormat),"/* basis_transcoder.js */",t,"/* worker */",n.substring(n.indexOf("{")+1,n.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([i])),this.transcoderBinary=e,this.workerPool.setWorkerCreator((()=>{const t=new Worker(this.workerSourceURL),e=this.transcoderBinary.slice(0);return t.postMessage({type:"init",config:this.workerConfig,transcoderBinary:e},[e]),t}))}))}return this.transcoderPending}load(t,e,n,i){if(null===this.workerConfig)throw new Error("THREE.KTX2Loader: Missing initialization with `.detectSupport( renderer )`.");const r=new gl(this.manager);r.setResponseType("arraybuffer"),r.setWithCredentials(this.withCredentials);const s=new Xa;return r.load(t,(t=>{if(ph.has(t)){return ph.get(t).promise.then(e).catch(i)}this._createTexture([t]).then((function(t){s.copy(t),s.needsUpdate=!0,e&&e(s)})).catch(i)}),n,i),s}_createTextureFrom(t){const{mipmaps:e,width:n,height:i,format:r,type:s,error:a,dfdTransferFn:o,dfdFlags:l}=t;if("error"===s)return Promise.reject(a);const c=new Xa(e,n,i,r,1009);return c.minFilter=1===e.length?1006:1008,c.magFilter=1006,c.generateMipmaps=!1,c.needsUpdate=!0,c.encoding=2===o?3001:3e3,c.premultiplyAlpha=!!(1&l),c}_createTexture(t,e={}){const n=e,i=this.init().then((()=>this.workerPool.postMessage({type:"transcode",buffers:t,taskConfig:n},t))).then((t=>this._createTextureFrom(t.data)));return ph.set(t[0],{promise:i}),i}dispose(){return URL.revokeObjectURL(this.workerSourceURL),this.workerPool.dispose(),this}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var fh,gh;mh.BasisFormat={ETC1S:0,UASTC_4x4:1},mh.TranscoderFormat={ETC1:0,ETC2:1,BC1:2,BC3:3,BC4:4,BC5:5,BC7_M6_OPAQUE_ONLY:6,BC7_M5:7,PVRTC1_4_RGB:8,PVRTC1_4_RGBA:9,ASTC_4x4:10,ATC_RGB:11,ATC_RGBA_INTERPOLATED_ALPHA:12,RGBA32:13,RGB565:14,BGR565:15,RGBA4444:16},mh.EngineFormat={RGBAFormat:1023,RGBA_ASTC_4x4_Format:37808,RGBA_BPTC_Format:36492,RGBA_ETC2_EAC_Format:37496,RGBA_PVRTC_4BPPV1_Format:35842,RGBA_S3TC_DXT5_Format:33779,RGB_ETC1_Format:36196,RGB_ETC2_Format:37492,RGB_PVRTC_4BPPV1_Format:35840,RGB_S3TC_DXT1_Format:33776},mh.BasisWorker=function(){let t,e,n;const i=_EngineFormat,r=_TranscoderFormat,s=_BasisFormat;self.addEventListener("message",(function(a){const h=a.data;switch(h.type){case"init":t=h.config,u=h.transcoderBinary,e=new Promise((t=>{n={wasmBinary:u,onRuntimeInitialized:t},BASIS(n)})).then((()=>{n.initializeBasis(),void 0===n.KTX2File&&console.warn("THREE.KTX2Loader: Please update Basis Universal transcoder.")}));break;case"transcode":e.then((()=>{try{const{width:e,height:a,hasAlpha:u,mipmaps:d,format:p,dfdTransferFn:m,dfdFlags:f}=function(e){const a=new n.KTX2File(new Uint8Array(e));function h(){a.close(),a.delete()}if(!a.isValid())throw h(),new Error("THREE.KTX2Loader:\tInvalid or unsupported .ktx2 file");const u=a.isUASTC()?s.UASTC_4x4:s.ETC1S,d=a.getWidth(),p=a.getHeight(),m=a.getLevels(),f=a.getHasAlpha(),g=a.getDFDTransferFunc(),v=a.getDFDFlags(),{transcoderFormat:y,engineFormat:x}=function(e,n,a,h){let u,d;const p=e===s.ETC1S?o:l;for(let i=0;i=this[bh];--t){const e=this[yh][t];0===this[vh].get(e)&&(this[wh].delete(e),this[yh].splice(t,1))}}} /* @license * Copyright 2021 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Mh=(t,e)=>{const n=new Map;for(const i of t.mappings)for(const t of i.variants)n.set(e[t],{material:null,gltfMaterialIndex:i.material});return n};class Sh{constructor(t){this.parser=t,this.name="KHR_materials_variants"}afterRoot(t){const e=this.parser,n=e.json;if(void 0===n.extensions||void 0===n.extensions[this.name])return null;const i=(t=>{const e=[],n=new Set;for(const i of t){let t=i,r=0;for(;n.has(t);)t=i+"."+ ++r;n.add(t),e.push(t)}return e})((n.extensions[this.name].variants||[]).map((t=>t.name)));for(const r of t.scenes)r.traverse((t=>{const r=e.associations.get(t);if(null==r||null==r.meshes)return;const s=r.meshes,a=n.meshes[s].primitives,o="isMesh"in t?[t]:t.children;for(let t=0;t{const n={attributeIDs:this.defaultAttributeIDs,attributeTypes:this.defaultAttributeTypes,useUniqueIDs:!1};this.decodeGeometry(t,n).then(e).catch(i)}),n,i)}decodeDracoFile(t,e,n,i){const r={attributeIDs:n||this.defaultAttributeIDs,attributeTypes:i||this.defaultAttributeTypes,useUniqueIDs:!!n};this.decodeGeometry(t,r).then(e)}decodeGeometry(t,e){for(const t in e.attributeTypes){const n=e.attributeTypes[t];void 0!==n.BYTES_PER_ELEMENT&&(e.attributeTypes[t]=n.name)}const n=JSON.stringify(e);if(hc.has(t)){const e=hc.get(t);if(e.key===n)return e.promise;if(0===t.byteLength)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}let i;const r=this.workerNextTaskID++,s=t.byteLength,a=this._getWorker(r,s).then((n=>(i=n,new Promise(((n,s)=>{i._callbacks[r]={resolve:n,reject:s},i.postMessage({type:"decode",id:r,taskConfig:e,buffer:t},[t])}))))).then((t=>this._createGeometry(t.geometry)));return a.catch((()=>!0)).then((()=>{i&&r&&this._releaseTask(i,r)})),hc.set(t,{key:n,promise:a}),a}_createGeometry(t){const e=new Sn;t.index&&e.setIndex(new pn(t.index.array,1));for(let n=0;n{n.load(t,e,void 0,i)}))}preload(){return this._initDecoder(),this}_initDecoder(){if(this.decoderPending)return this.decoderPending;const t="object"!=typeof WebAssembly||"js"===this.decoderConfig.type,e=[];return t?e.push(this._loadLibrary("draco_decoder.js","text")):(e.push(this._loadLibrary("draco_wasm_wrapper.js","text")),e.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(e).then((e=>{const n=e[0];t||(this.decoderConfig.wasmBinary=e[1]);const i=uc.toString(),r=["/* draco decoder */",n,"","/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([r]))})),this.decoderPending}_getWorker(t,e){return this._initDecoder().then((()=>{if(this.workerPool.lengthe._taskLoad?-1:1}));const n=this.workerPool[this.workerPool.length-1];return n._taskCosts[t]=e,n._taskLoad+=e,n}))}_releaseTask(t,e){t._taskLoad-=t._taskCosts[e],delete t._callbacks[e],delete t._taskCosts[e]}debug(){console.log("Task load: ",this.workerPool.map((t=>t._taskLoad)))}dispose(){for(let t=0;tnew Sh(t))),this[Uh]=t,this[Fh].setDRACOLoader(Ch),this[Fh].setKTX2Loader(Ih)}static setDRACODecoderLocation(t){Rh=t,Ch.setDecoderPath(t)}static getDRACODecoderLocation(){return Rh}static setKTX2TranscoderLocation(t){Ph=t,Ih.setTranscoderPath(t)}static getKTX2TranscoderLocation(){return Ph}static setMeshoptDecoderLocation(t){var e;Dh!==t&&(Dh=t,Nh=(e=t,new Promise(((t,n)=>{const i=document.createElement("script");document.body.appendChild(i),i.onload=t,i.onerror=n,i.async=!0,i.src=e}))).then((()=>MeshoptDecoder.ready)).then((()=>MeshoptDecoder)))}static getMeshoptDecoderLocation(){return Dh}static initializeKTX2Loader(t){Ih.detectSupport(t)}static get cache(){return Ah}static clearCache(){Ah.forEach(((t,e)=>{this.delete(e)})),this[Oh].reset()}static has(t){return Ah.has(t)}static async delete(t){if(!this.has(t))return;const e=Ah.get(t);Lh.delete(t),Ah.delete(t);(await e).dispose()}static hasFinishedLoading(t){return!!Lh.get(t)}get[(Th=Oh,Eh=Fh,Oh)](){return this.constructor[Oh]}async preload(t,e,n=(()=>{})){if(this.dispatchEvent({type:"preload",element:e,src:t}),!Ah.has(t)){null!=Nh&&this[Fh].setMeshoptDecoder(await Nh);const e=((t,e,n=(()=>{}))=>{const i=t=>{const e=t.loaded/t.total;n(Math.max(0,Math.min(1,isFinite(e)?e:1)))};return new Promise(((n,r)=>{e.load(t,n,i,r)}))})(t,this[Fh],(t=>{n(.8*t)})),i=this[Uh],r=e.then((t=>i.prepare(t))).then((t=>(n(.9),new i(t))));Ah.set(t,r)}await Ah.get(t),Lh.set(t,!0),n&&n(1)}async load(t,e,n=(()=>{})){await this.preload(t,e,n);const i=await Ah.get(t),r=await i.clone();return this[Oh].retain(t),r.dispose=(()=>{const e=r.dispose;let n=!1;return()=>{n||(n=!0,e.apply(r),this[Oh].release(t))}})(),r}}kh[Th]=new _h(kh);class zh extends Ve{constructor(t){super(),this.element=t||document.createElement("div"),this.element.style.position="absolute",this.element.style.userSelect="none",this.element.setAttribute("draggable",!1),this.addEventListener("removed",(function(){this.traverse((function(t){t.element instanceof Element&&null!==t.element.parentNode&&t.element.parentNode.removeChild(t.element)}))}))}copy(t,e){return super.copy(t,e),this.element=t.element.cloneNode(!0),this}}zh.prototype.isCSS2DObject=!0;const Bh=new Bt,Hh=new ve,Vh=new ve,Gh=new Bt,Wh=new Bt;class jh{constructor(){const t=this;let e,n,i,r;const s={objects:new WeakMap},a=document.createElement("div");function o(e,n,c){if(e.isCSS2DObject){e.onBeforeRender(t,n,c),Bh.setFromMatrixPosition(e.matrixWorld),Bh.applyMatrix4(Vh);const o=e.element;/apple/i.test(navigator.vendor)?o.style.transform="translate(-50%,-50%) translate("+Math.round(Bh.x*i+i)+"px,"+Math.round(-Bh.y*r+r)+"px)":o.style.transform="translate(-50%,-50%) translate("+(Bh.x*i+i)+"px,"+(-Bh.y*r+r)+"px)",o.style.display=e.visible&&Bh.z>=-1&&Bh.z<=1?"":"none";const h={distanceToCameraSquared:l(c,e)};s.objects.set(e,h),o.parentNode!==a&&a.appendChild(o),e.onAfterRender(t,n,c)}for(let t=0,i=e.children.length;tt&&"null"!==t?Yh(t):null,Xh=()=>{if(st)return;const t=[];throw et||t.push("WebXR Device API"),nt||t.push("WebXR Hit Test API"),new Error(`The following APIs are required for AR, but are missing in this browser: ${t.join(", ")}`)},Yh=t=>new URL(t,window.location.toString()).toString(),Zh=(t,e)=>{let n=null;return(...i)=>{null!=n&&self.clearTimeout(n),n=self.setTimeout((()=>{n=null,t(...i)}),e)}},Jh=(t,e,n)=>Math.max(e,Math.min(n,t)),$h=(()=>{const t=(()=>{const t=null!=document.head?Array.from(document.head.querySelectorAll("meta")):[];for(const e of t)if("viewport"===e.name)return!0;return!1})();return t||console.warn('No detected; will cap pixel density at 1.'),()=>t?window.devicePixelRatio:1})(),Kh=(()=>{const t=new RegExp("[?&]model-viewer-debug-mode(&|$)");return()=>self.ModelViewerElement&&self.ModelViewerElement.debugMode||self.location&&self.location.search&&self.location.search.match(t)})(),Qh=(t=0)=>new Promise((e=>setTimeout(e,t)));class tu{constructor(t=50){this.velocity=0,this.naturalFrequency=0,this.setDecayTime(t)}setDecayTime(t){this.naturalFrequency=1/Math.max(.001,t)}update(t,e,n,i){const r=2e-4*this.naturalFrequency;if(null==t||0===i)return e;if(t===e&&0===this.velocity)return e;if(n<0)return t;const s=t-e,a=this.velocity+this.naturalFrequency*s,o=s+n*a,l=Math.exp(-this.naturalFrequency*n),c=(a-this.naturalFrequency*o)*l,h=-this.naturalFrequency*(c+a*l);return Math.abs(c)=0?(this.velocity=0,e):(this.velocity=c,e+o*l)}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const eu=(t,e)=>({type:"number",number:t,unit:e}),nu=(()=>{const t={};return e=>{const n=e;if(n in t)return t[n];const i=[];let r=0;for(;e;){if(++r>1e3){e="";break}const t=iu(e),n=t.nodes[0];if(null==n||0===n.terms.length)break;i.push(n),e=t.remainingInput}return t[n]=i}})(),iu=(()=>{const t=/^(\-\-|[a-z\u0240-\uffff])/i,e=/^([\*\+\/]|[\-]\s)/i,n=/^[\),]/;return i=>{const r=[];for(;i.length&&(i=i.trim(),!n.test(i));)if("("===i[0]){const{nodes:t,remainingInput:e}=ou(i);i=e,r.push({type:"function",name:{type:"ident",value:"calc"},arguments:t})}else if(t.test(i)){const t=ru(i),e=t.nodes[0];if("("===(i=t.remainingInput)[0]){const{nodes:t,remainingInput:n}=ou(i);r.push({type:"function",name:e,arguments:t}),i=n}else r.push(e)}else if(e.test(i))r.push({type:"operator",value:i[0]}),i=i.slice(1);else{const{nodes:t,remainingInput:e}="#"===i[0]?au(i):su(i);if(0===t.length)break;r.push(t[0]),i=e}return{nodes:[{type:"expression",terms:r}],remainingInput:i}}})(),ru=(()=>{const t=/[^a-z0-9_\-\u0240-\uffff]/i;return e=>{const n=e.match(t);return{nodes:[{type:"ident",value:null==n?e:e.substr(0,n.index)}],remainingInput:null==n?"":e.substr(n.index)}}})(),su=(()=>{const t=/[\+\-]?(\d+[\.]\d+|\d+|[\.]\d+)([eE][\+\-]?\d+)?/,e=/^[a-z%]+/i,n=/^(m|mm|cm|rad|deg|[%])$/;return i=>{const r=i.match(t),s=null==r?"0":r[0],a=(i=null==s?i:i.slice(s.length)).match(e);let o=null!=a&&""!==a[0]?a[0]:null;const l=null==a?i:i.slice(o.length);return null==o||n.test(o)||(o=null),{nodes:[{type:"number",number:parseFloat(s)||0,unit:o}],remainingInput:l}}})(),au=(()=>{const t=/^[a-f0-9]*/i;return e=>{const n=(e=e.slice(1).trim()).match(t);return{nodes:null==n?[]:[{type:"hex",value:n[0]}],remainingInput:null==n?e:e.slice(n[0].length)}}})(),ou=t=>{const e=[];for(t=t.slice(1).trim();t.length;){const n=iu(t);if(e.push(n.nodes[0]),","===(t=n.remainingInput.trim())[0])t=t.slice(1).trim();else if(")"===t[0]){t=t.slice(1);break}}return{nodes:e,remainingInput:t}},lu=Symbol("visitedTypes");class cu{constructor(t){this[lu]=t}walk(t,e){const n=t.slice();for(;n.length;){const t=n.shift();switch(this[lu].indexOf(t.type)>-1&&e(t),t.type){case"expression":n.unshift(...t.terms);break;case"function":n.unshift(t.name,...t.arguments)}}}}const hu=Object.freeze({type:"number",number:0,unit:null}),uu=(t,e=0)=>{let{number:n,unit:i}=t;if(isFinite(n)){if("rad"===t.unit||null==t.unit)return t}else n=e,i="rad";return{type:"number",number:("deg"===i&&null!=n?n:0)*Math.PI/180,unit:"rad"}},du=(t,e=0)=>{let n,{number:i,unit:r}=t;if(isFinite(i)){if("m"===t.unit)return t}else i=e,r="m";switch(r){default:n=1;break;case"cm":n=.01;break;case"mm":n=.001}return{type:"number",number:n*i,unit:"m"}},pu=(()=>{const t=t=>t,e={rad:t,deg:uu,m:t,mm:du,cm:du};return(t,n=hu)=>{isFinite(t.number)||(t.number=n.number,t.unit=n.unit);const{unit:i}=t;if(null==i)return t;const r=e[i];return null==r?n:r(t)}})(); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ class mu extends zh{constructor(t){super(document.createElement("div")),this.normal=new Bt(0,1,0),this.initialized=!1,this.referenceCount=1,this.pivot=document.createElement("div"),this.slot=document.createElement("slot"),this.element.classList.add("annotation-wrapper"),this.slot.name=t.name,this.element.appendChild(this.pivot),this.pivot.appendChild(this.slot),this.updatePosition(t.position),this.updateNormal(t.normal)}get facingCamera(){return!this.element.classList.contains("hide")}show(){this.facingCamera&&this.initialized||this.updateVisibility(!0)}hide(){!this.facingCamera&&this.initialized||this.updateVisibility(!1)}increment(){this.referenceCount++}decrement(){return this.referenceCount>0&&--this.referenceCount,0===this.referenceCount}updatePosition(t){if(null==t)return;const e=nu(t)[0].terms;for(let t=0;t<3;++t)this.position.setComponent(t,pu(e[t]).number);this.updateMatrixWorld()}updateNormal(t){if(null==t)return;const e=nu(t)[0].terms;for(let t=0;t<3;++t)this.normal.setComponent(t,pu(e[t]).number)}orient(t){this.pivot.style.transform=`rotate(${t}rad)`}updateVisibility(t){t?this.element.classList.remove("hide"):this.element.classList.add("hide"),this.slot.assignedNodes().forEach((e=>{if(e.nodeType!==Node.ELEMENT_NODE)return;const n=e,i=n.dataset.visibilityAttribute;if(null!=i){const e=`data-${i}`;t?n.setAttribute(e,""):n.removeAttribute(e)}n.dispatchEvent(new CustomEvent("hotspot-visibility",{detail:{visible:t}}))})),this.initialized=!0}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const fu=(t,e,n)=>{let i=n;const r=new Bt;return t.traverse((t=>{let n,s;t.updateWorldMatrix(!1,!1);const a=t.geometry;if(void 0!==a)if(a.isGeometry){const o=a.vertices;for(n=0,s=o.length;n{if(!t.normalized)return 1;const e=t.array;return e instanceof Int8Array?1/127:e instanceof Uint8Array?1/255:e instanceof Int16Array?1/32767:e instanceof Uint16Array?1/65535:1})(o);for(n=0,s=o.count;n0,this.boundingBox.copy(t.boundingBox),this.size.copy(t.size),"back"===this.side){const{min:t,max:e}=this.boundingBox;[t.y,t.z]=[t.z,t.y],[e.y,e.z]=[e.z,e.y],[this.size.y,this.size.z]=[this.size.z,this.size.y],this.rotation.x=Math.PI/2,this.rotation.y=Math.PI}else this.rotation.x=0,this.rotation.y=0;const{boundingBox:i,size:r}=this;if(this.isAnimated){const t=2*Math.max(r.x,r.y,r.z);r.y=t,i.expandByVector(r.subScalar(t).multiplyScalar(-.5)),i.max.y=i.min.y+t,r.set(t,t,t)}i.getCenter(this.floor.position);const s=i.max.y+.002*r.y;"bottom"===n?(this.position.y=s,this.position.z=0):(this.position.y=0,this.position.z=s),this.setSoftness(e)}setSoftness(t){const e=Math.pow(2,9-3*t);this.setMapSize(e)}setMapSize(t){const{camera:e,mapSize:n,map:i}=this.shadow,{size:r,boundingBox:s}=this;null!=i&&(i.dispose(),this.shadow.map=null),this.isAnimated&&(t*=2);const a=Math.floor(r.x>r.z?t:t*r.x/r.z),o=Math.floor(r.x>r.z?t*r.z/r.x:t);n.set(a,o);const l=2.5*r.x/a,c=2.5*r.z/o;e.left=-s.max.x-l,e.right=-s.min.x+l,e.bottom=s.min.z-c,e.top=s.max.z+c,this.setScaleAndOffset(this.shadowScale,0),this.floor.scale.set(r.x+2*l,r.z+2*c,1),this.needsUpdate=!0,this.shadow.needsUpdate=!0}setIntensity(t){this.shadowMaterial.opacity=t,t>0?(this.visible=!0,this.floor.visible=!0):(this.visible=!1,this.floor.visible=!1)}getIntensity(){return this.shadowMaterial.opacity}setRotation(t){if("bottom"!==this.side)return this.shadow.camera.up.set(0,1,0),void this.shadow.updateMatrices(this);this.shadow.camera.up.set(Math.sin(t),0,Math.cos(t)),this.shadow.updateMatrices(this)}setScaleAndOffset(t,e){const n=this.size.y,{camera:i}=this.shadow;this.shadowScale=t,i.near=0,i.far=n-e/t,i.updateProjectionMatrix(),i.scale.setScalar(t);const r=.002*n;this.floor.position.y=2*r-i.far}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const vu=22.5*Math.PI/180,yu=Math.sin(vu),xu=Math.tan(vu),bu=new Bt,wu=new Bt,_u=new Bt,Mu=new class{constructor(t,e,n=0,i=1/0){this.ray=new ge(t,e),this.near=n,this.far=i,this.camera=null,this.layers=new Le,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e&&e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e&&e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}intersectObject(t,e=!0,n=[]){return ec(t,this,n,e),n.sort(tc),n}intersectObjects(t,e=!0,n=[]){for(let i=0,r=t.length;i{})){if(!t||t===this.url)return void e(1);if(this.reset(),this.url=t,null!=this.externalRenderer){const t=await this.externalRenderer.load(e);return this.idealCameraDistance=t.framedRadius/yu,this.fieldOfViewAspect=t.fieldOfViewAspect,this.frameModel(),void this.dispatchEvent({type:"model-load",url:this.url})}let n;null!=this.cancelPendingSourceChange&&(this.cancelPendingSourceChange(),this.cancelPendingSourceChange=null);try{n=await new Promise((async(n,i)=>{this.cancelPendingSourceChange=()=>i();try{n(await this.element[vp].loader.load(t,this.element,e))}catch(t){i(t)}}))}catch(t){if(null==t)return;throw t}this.reset(),this.url=t,this._currentGLTF=n,null!=n&&this.modelContainer.add(n.scene);const{animations:i}=n,r=new Map,s=[];for(const t of i)r.set(t.name,t),s.push(t.name);this.animations=i,this.animationsByName=r,this.animationNames=s,await this.setupScene()}async setupScene(){this.updateBoundingBox();let t=null;!0===this.tightBounds&&(await this.element.requestUpdate("cameraTarget"),t=this.getTarget()),this.updateFraming(t),this.frameModel(),this.updateShadow(),this.setShadowIntensity(this.shadowIntensity),this.dispatchEvent({type:"model-load",url:this.url})}reset(){this.url=null,this.queueRender(),null!=this.shadow&&this.shadow.setIntensity(0);const t=this._currentGLTF;if(null!=t){for(const t of this.modelContainer.children)this.modelContainer.remove(t);t.dispose(),this._currentGLTF=null}null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction=null),this.mixer.stopAllAction(),this.mixer.uncacheRoot(this)}get currentGLTF(){return this._currentGLTF}setSize(t,e){if(this.width!==t||this.height!==e){if(this.width=Math.max(t,1),this.height=Math.max(e,1),this.annotationRenderer.setSize(t,e),this.aspect=this.width/this.height,this.frameModel(),null!=this.externalRenderer){const n=$h();this.externalRenderer.resize(t*n,e*n)}this.queueRender()}}updateBoundingBox(){if(this.target.remove(this.modelContainer),!0===this.tightBounds){const t=(t,e)=>t.expandByPoint(e);this.boundingBox=fu(this.modelContainer,t,new Gt)}else this.boundingBox.setFromObject(this.modelContainer);this.boundingBox.getSize(this.size),this.target.add(this.modelContainer)}updateFraming(t=null){this.target.remove(this.modelContainer),null==t&&(t=this.boundingBox.getCenter(new Bt));const e=Math.sqrt(fu(this.modelContainer,((e,n)=>Math.max(e,t.distanceToSquared(n))),0));this.idealCameraDistance=e/yu;this.fieldOfViewAspect=fu(this.modelContainer,((e,n)=>{n.sub(t);const i=Math.sqrt(n.x*n.x+n.z*n.z);return Math.max(e,i/(this.idealCameraDistance-Math.abs(n.y)))}),0)/xu,this.target.add(this.modelContainer)}frameModel(){const t=xu*Math.max(1,this.fieldOfViewAspect/this.aspect);this.framedFieldOfView=2*Math.atan(t)*180/Math.PI}getNDC(t,e){if(null!=this.xrCamera)Tu.set(t/window.screen.width,e/window.screen.height);else{const n=this.element.getBoundingClientRect();Tu.set((t-n.x)/this.width,(e-n.y)/this.height)}return Tu.multiplyScalar(2).subScalar(1),Tu.y*=-1,Tu}getSize(){return{width:this.width,height:this.height}}setTarget(t,e,n){this.goalTarget.set(-t,-e,-n)}setTargetDamperDecayTime(t){this.targetDamperX.setDecayTime(t),this.targetDamperY.setDecayTime(t),this.targetDamperZ.setDecayTime(t)}getTarget(){return Su.copy(this.goalTarget).multiplyScalar(-1)}jumpToGoal(){this.updateTarget(1e4)}updateTarget(t){const e=this.goalTarget,n=this.target.position;if(!e.equals(n)){const i=this.idealCameraDistance;let{x:r,y:s,z:a}=n;r=this.targetDamperX.update(r,e.x,t,i),s=this.targetDamperY.update(s,e.y,t,i),a=this.targetDamperZ.update(a,e.z,t,i),this.target.position.set(r,s,a),this.target.updateMatrixWorld(),this.setShadowRotation(this.yaw),this.queueRender()}}pointTowards(t,e){const{x:n,z:i}=this.position;this.yaw=Math.atan2(t-n,e-i)}set yaw(t){this.rotation.y=t,this.updateMatrixWorld(!0),this.setShadowRotation(t),this.queueRender()}get yaw(){return this.rotation.y}set animationTime(t){this.mixer.setTime(t)}get animationTime(){return null!=this.currentAnimationAction?this.currentAnimationAction.time:0}get duration(){return null!=this.currentAnimationAction&&this.currentAnimationAction.getClip()?this.currentAnimationAction.getClip().duration:0}get hasActiveAnimation(){return null!=this.currentAnimationAction}playAnimation(t=null,e=0){if(null==this._currentGLTF)return;const{animations:n}=this;if(null==n||0===n.length)return void console.warn("Cannot play animation (model does not have any animations)");let i=null;null!=t&&(i=this.animationsByName.get(t)),null==i&&(i=n[0]);try{const{currentAnimationAction:t}=this,n=this.mixer.clipAction(i,this);this.currentAnimationAction=n,this.element.paused?this.mixer.stopAllAction():null!=t&&n!==t&&n.crossFadeFrom(t,e,!1),n.enabled=!0,n.play()}catch(t){console.error(t)}}stopAnimation(){this.currentAnimationAction=null,this.mixer.stopAllAction()}updateAnimation(t){this.mixer.update(t)}updateShadow(){const t=this.shadow;if(null!=t){const e="wall"===this.element.arPlacement?"back":"bottom";t.setScene(this,this.shadowSoftness,e),t.setRotation(this.yaw)}}setShadowIntensity(t){if(this.shadowIntensity=t,null!=this._currentGLTF&&!(t<=0&&null==this.shadow)){if(null==this.shadow){const t="wall"===this.element.arPlacement?"back":"bottom";this.shadow=new gu(this,this.shadowSoftness,t),this.shadow.setRotation(this.yaw)}this.shadow.setIntensity(t)}}setShadowSoftness(t){this.shadowSoftness=t;const e=this.shadow;null!=e&&e.setSoftness(t)}setShadowRotation(t){const e=this.shadow;null!=e&&e.setRotation(t)}isShadowDirty(){const t=this.shadow;if(null==t)return!1;{const{needsUpdate:e}=t;return t.needsUpdate=!1,e}}setShadowScaleAndOffset(t,e){const n=this.shadow;null!=n&&n.setScaleAndOffset(t,e)}get raycaster(){return Mu}positionAndNormalFromPoint(t,e=this){this.raycaster.setFromCamera(t,this.getCamera());const n=this.raycaster.intersectObject(e,!0);if(0===n.length)return null;const i=n[0];return null==i.face?null:(i.face.normal.applyNormalMatrix((new Lt).getNormalMatrix(i.object.matrixWorld)),{position:i.point,normal:i.face.normal})}addHotspot(t){this.target.add(t),this.annotationRenderer.domElement.appendChild(t.element)}removeHotspot(t){this.target.remove(t)}forHotspots(t){const{children:e}=this.target;for(let n=0,i=e.length;n{bu.copy(t),wu.setFromMatrixPosition(e.matrixWorld),bu.sub(wu),_u.copy(e.normal).transformDirection(this.target.matrixWorld),bu.dot(_u)<0?e.hide():e.show()}))}orientHotspots(t){this.forHotspots((e=>{e.orient(t)}))}setHotspotsVisibility(t){this.forHotspots((e=>{e.visible=t}))}updateSchema(t){var e;const{schemaElement:n,element:i}=this,{alt:r,poster:s,iosSrc:a}=i;if(null!=t){const i=[{"@type":"MediaObject",contentUrl:t,encodingFormat:"gltf"===(null===(e=t.split(".").pop())||void 0===e?void 0:e.toLowerCase())?"model/gltf+json":"model/gltf-binary"}];a&&i.push({"@type":"MediaObject",contentUrl:a,encodingFormat:"model/vnd.usdz+zip"});const o={"@context":"http://schema.org/","@type":"3DModel",image:null!=s?s:void 0,name:null!=r?r:void 0,encoding:i};n.textContent=JSON.stringify(o),document.head.appendChild(n)}else null!=n.parentElement&&n.parentElement.removeChild(n)}}const Au=function(){const t=new bi({uniforms:{roughnessMap:{value:null},normalMap:{value:null},texelSize:{value:new At(1,1)}},vertexShader:"\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tattribute vec3 position;\n\t\t\tattribute vec2 uv;\n\n\t\t\tvarying vec2 vUv;\n\n\t\t\tvoid main() {\n\n\t\t\t\tvUv = uv;\n\n\t\t\t\tgl_Position = vec4( position, 1.0 );\n\n\t\t\t}\n\t\t",fragmentShader:"\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec2 vUv;\n\n\t\t\tuniform sampler2D roughnessMap;\n\t\t\tuniform sampler2D normalMap;\n\t\t\tuniform vec2 texelSize;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\n\t\t\tvec4 envMapTexelToLinear( vec4 a ) { return a; }\n\n\t\t\t#include \n\n\t\t\tfloat roughnessToVariance( float roughness ) {\n\n\t\t\t\tfloat variance = 0.0;\n\n\t\t\t\tif ( roughness >= r1 ) {\n\n\t\t\t\t\tvariance = ( r0 - roughness ) * ( v1 - v0 ) / ( r0 - r1 ) + v0;\n\n\t\t\t\t} else if ( roughness >= r4 ) {\n\n\t\t\t\t\tvariance = ( r1 - roughness ) * ( v4 - v1 ) / ( r1 - r4 ) + v1;\n\n\t\t\t\t} else if ( roughness >= r5 ) {\n\n\t\t\t\t\tvariance = ( r4 - roughness ) * ( v5 - v4 ) / ( r4 - r5 ) + v4;\n\n\t\t\t\t} else {\n\n\t\t\t\t\tfloat roughness2 = roughness * roughness;\n\n\t\t\t\t\tvariance = 1.79 * roughness2 * roughness2;\n\n\t\t\t\t}\n\n\t\t\t\treturn variance;\n\n\t\t\t}\n\n\t\t\tfloat varianceToRoughness( float variance ) {\n\n\t\t\t\tfloat roughness = 0.0;\n\n\t\t\t\tif ( variance >= v1 ) {\n\n\t\t\t\t\troughness = ( v0 - variance ) * ( r1 - r0 ) / ( v0 - v1 ) + r0;\n\n\t\t\t\t} else if ( variance >= v4 ) {\n\n\t\t\t\t\troughness = ( v1 - variance ) * ( r4 - r1 ) / ( v1 - v4 ) + r1;\n\n\t\t\t\t} else if ( variance >= v5 ) {\n\n\t\t\t\t\troughness = ( v4 - variance ) * ( r5 - r4 ) / ( v4 - v5 ) + r4;\n\n\t\t\t\t} else {\n\n\t\t\t\t\troughness = pow( 0.559 * variance, 0.25 ); // 0.559 = 1.0 / 1.79\n\n\t\t\t\t}\n\n\t\t\t\treturn roughness;\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = texture2D( roughnessMap, vUv, - 1.0 );\n\n\t\t\t\tif ( texelSize.x == 0.0 ) return;\n\n\t\t\t\tfloat roughness = gl_FragColor.g;\n\n\t\t\t\tfloat variance = roughnessToVariance( roughness );\n\n\t\t\t\tvec3 avgNormal;\n\n\t\t\t\tfor ( float x = - 1.0; x < 2.0; x += 2.0 ) {\n\n\t\t\t\t\tfor ( float y = - 1.0; y < 2.0; y += 2.0 ) {\n\n\t\t\t\t\t\tvec2 uv = vUv + vec2( x, y ) * 0.25 * texelSize;\n\n\t\t\t\t\t\tavgNormal += normalize( texture2D( normalMap, uv, - 1.0 ).xyz - 0.5 );\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tvariance += 1.0 - 0.25 * length( avgNormal );\n\n\t\t\t\tgl_FragColor.g = varianceToRoughness( variance );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1});return t.type="RoughnessMipmapper",t} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */(),Lu=new Vn(new ci(2,2),Au),Ru=new xi(0,1,0,1,0,1);let Cu=null,Pu=null;class Iu{constructor(t){Pu=t,Pu.compile(Lu,Ru)}generateMipmaps(t){if("roughnessMap"in t==!1)return;const{roughnessMap:e,normalMap:n}=t;if(null===e||null===n||!e.generateMipmaps||t.userData.roughnessUpdated)return;t.userData.roughnessUpdated=!0;let i=Math.max(e.image.width,n.image.width),r=Math.max(e.image.height,n.image.height);if(!Et.isPowerOfTwo(i)||!Et.isPowerOfTwo(r))return;const s=Pu.getRenderTarget(),a=Pu.autoClear;if(Pu.autoClear=!1,null!==Cu&&Cu.width===i&&Cu.height===r||(null!==Cu&&Cu.dispose(),Cu=new Ut(i,r,{depthBuffer:!1}),Cu.scissorTest=!0),i!==e.image.width||r!==e.image.height){const n={wrapS:e.wrapS,wrapT:e.wrapT,magFilter:e.magFilter,minFilter:e.minFilter,depthBuffer:!1},s=new Ut(i,r,n);s.texture.generateMipmaps=!0,Pu.setRenderTarget(s),t.roughnessMap=s.texture,t.metalnessMap==e&&(t.metalnessMap=t.roughnessMap),t.aoMap==e&&(t.aoMap=t.roughnessMap),t.roughnessMap.offset.copy(e.offset),t.roughnessMap.repeat.copy(e.repeat),t.roughnessMap.center.copy(e.center),t.roughnessMap.rotation=e.rotation,t.roughnessMap.matrixAutoUpdate=e.matrixAutoUpdate,t.roughnessMap.matrix.copy(e.matrix)}Au.uniforms.roughnessMap.value=e,Au.uniforms.normalMap.value=n;const o=new At(0,0),l=Au.uniforms.texelSize.value;for(let e=0;i>=1&&r>=1;++e,i/=2,r/=2)l.set(1/i,1/r),0==e&&l.set(0,0),Cu.viewport.set(o.x,o.y,i,r),Cu.scissor.set(o.x,o.y,i,r),Pu.setRenderTarget(Cu),Pu.render(Lu,Ru),Pu.copyFramebufferToTexture(o,t.roughnessMap,e),Au.uniforms.roughnessMap.value=t.roughnessMap;e!==t.roughnessMap&&e.dispose(),Pu.setRenderTarget(s),Pu.autoClear=a}dispose(){Au.dispose(),Lu.geometry.dispose(),null!=Cu&&Cu.dispose()}}var Du=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Nu=Symbol("currentEnvironmentMap"),Fu=Symbol("applyEnvironmentMap"),Ou=Symbol("updateEnvironment"),Uu=Symbol("cancelEnvironmentUpdate"),ku=Symbol("onPreload");class zu{constructor(t,e,n,i,r){this.xrLight=t,this.renderer=e,this.lightProbe=n,this.xrWebGLBinding=null,this.estimationStartCallback=r,this.frameCallback=this.onXRFrame.bind(this);const s=e.xr.getSession();if(i&&"XRWebGLBinding"in window){const n=new Qn(16);t.environment=n.texture;const i=e.getContext();switch(s.preferredReflectionFormat){case"srgba8":i.getExtension("EXT_sRGB");break;case"rgba16f":i.getExtension("OES_texture_half_float")}this.xrWebGLBinding=new XRWebGLBinding(s,i),this.lightProbe.addEventListener("reflectionchange",(()=>{this.updateReflection()}))}s.requestAnimationFrame(this.frameCallback)}updateReflection(){const t=this.renderer.properties.get(this.xrLight.environment);if(t){const e=this.xrWebGLBinding.getReflectionCubeMap(this.lightProbe);e&&(t.__webglTexture=e)}}onXRFrame(t,e){if(!this.xrLight)return;e.session.requestAnimationFrame(this.frameCallback);const n=e.getLightEstimate(this.lightProbe);if(n){this.xrLight.lightProbe.sh.fromArray(n.sphericalHarmonicsCoefficients),this.xrLight.lightProbe.intensity=1;const t=Math.max(1,Math.max(n.primaryLightIntensity.x,Math.max(n.primaryLightIntensity.y,n.primaryLightIntensity.z)));this.xrLight.directionalLight.color.setRGB(n.primaryLightIntensity.x/t,n.primaryLightIntensity.y/t,n.primaryLightIntensity.z/t),this.xrLight.directionalLight.intensity=t,this.xrLight.directionalLight.position.copy(n.primaryLightDirection),this.estimationStartCallback&&(this.estimationStartCallback(),this.estimationStartCallback=null)}}dispose(){this.xrLight=null,this.renderer=null,this.lightProbe=null,this.xrWebGLBinding=null}}class Bu extends Vs{constructor(t,e=!0){super(),this.lightProbe=new Ol,this.lightProbe.intensity=0,this.add(this.lightProbe),this.directionalLight=new Nl,this.directionalLight.intensity=0,this.add(this.directionalLight),this.environment=null;let n=null,i=!1;t.xr.addEventListener("sessionstart",(()=>{const r=t.xr.getSession();"requestLightProbe"in r&&r.requestLightProbe({reflectionFormat:r.preferredReflectionFormat}).then((r=>{n=new zu(this,t,r,e,(()=>{i=!0,this.dispatchEvent({type:"estimationstart"})}))}))})),t.xr.addEventListener("sessionend",(()=>{n&&(n.dispose(),n=null),i&&this.dispatchEvent({type:"estimationend"})})),this.dispose=()=>{n&&(n.dispose(),n=null),this.remove(this.lightProbe),this.lightProbe=null,this.remove(this.directionalLight),this.directionalLight=null,this.environment=null}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Hu=Math.PI/24,Vu=new At,Gu=(t,e,n)=>{let i=e>0?n>0?0:-Math.PI/2:n>0?Math.PI/2:Math.PI;for(let r=0;r<=12;++r)t.push(e+.17*Math.cos(i),n+.17*Math.sin(i),0,e+.2*Math.cos(i),n+.2*Math.sin(i),0),i+=Hu};class Wu extends Vn{constructor(t,e){const n=new Sn,i=[],r=[],{size:s,boundingBox:a}=t,o=s.x/2,l=("back"===e?s.y:s.z)/2;Gu(r,o,l),Gu(r,-o,l),Gu(r,-o,-l),Gu(r,o,-l);const c=r.length/3;for(let t=0;t0}dispose(){var t;const{geometry:e,material:n}=this.hitPlane;e.dispose(),n.dispose(),this.geometry.dispose(),this.material.dispose(),null===(t=this.parent)||void 0===t||t.remove(this)}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const ju="not-presenting",qu="session-started",Xu="object-placed",Yu="failed",Zu="tracking",Ju="not-tracking",$u=new Bt,Ku=new ve,Qu=new Bt,td=new Jn(45,1,.1,100);class ed extends pt{constructor(t){super(),this.renderer=t,this.currentSession=null,this.placeOnWall=!1,this.placementBox=null,this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.oldBackground=null,this.oldEnvironment=null,this.frame=null,this.initialHitSource=null,this.transientHitTestSource=null,this.inputSource=null,this._presentedScene=null,this.resolveCleanup=null,this.exitWebXRButtonContainer=null,this.overlay=null,this.xrLight=null,this.tracking=!0,this.frames=0,this.initialized=!1,this.oldTarget=new Bt,this.oldFramedFieldOfView=45,this.placementComplete=!1,this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.lastDragPosition=new Bt,this.firstRatio=0,this.lastAngle=0,this.goalPosition=new Bt,this.goalYaw=0,this.goalScale=1,this.xDamper=new tu,this.yDamper=new tu,this.zDamper=new tu,this.yawDamper=new tu,this.scaleDamper=new tu,this.onExitWebXRButtonContainerClick=()=>this.stopPresenting(),this.onUpdateScene=()=>{null!=this.placementBox&&this.isPresenting&&(this.placementBox.dispose(),this.placementBox=new Wu(this.presentedScene,this.placeOnWall?"back":"bottom"))},this.onSelectStart=t=>{const e=this.transientHitTestSource;if(null==e)return;const n=this.frame.getHitTestResultsForTransientInput(e),i=this.presentedScene,r=this.placementBox;if(1===n.length){this.inputSource=t.inputSource;const{axes:e}=this.inputSource.gamepad,n=r.getHit(this.presentedScene,e[0],e[1]);r.show=!0,null!=n?(this.isTranslating=!0,this.lastDragPosition.copy(n)):!1===this.placeOnWall&&(this.isRotating=!0,this.lastAngle=1.5*e[0])}else if(2===n.length){r.show=!0,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(n);this.firstRatio=t/i.scale.x}},this.onSelectEnd=()=>{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!1,this.inputSource=null,this.goalPosition.y+=this.placementBox.offsetHeight*this.presentedScene.scale.x,this.placementBox.show=!1},this.threeRenderer=t.threeRenderer,this.threeRenderer.xr.enabled=!0}async resolveARSession(){Xh();const t=await navigator.xr.requestSession("immersive-ar",{requiredFeatures:["hit-test"],optionalFeatures:["dom-overlay","light-estimation"],domOverlay:{root:this.overlay}});return this.threeRenderer.xr.setReferenceSpaceType("local"),await this.threeRenderer.xr.setSession(t),this.threeRenderer.xr.cameraAutoUpdate=!1,t}get presentedScene(){return this._presentedScene}async supportsPresentation(){try{return Xh(),await navigator.xr.isSessionSupported("immersive-ar")}catch(t){return console.warn("Request to present in WebXR denied:"),console.warn(t),console.warn("Falling back to next ar-mode"),!1}}async present(t,e=!1){this.isPresenting&&console.warn("Cannot present while a model is already presenting");let n=new Promise(((t,e)=>{requestAnimationFrame((()=>t()))}));t.setHotspotsVisibility(!1),t.queueRender(),await n,this._presentedScene=t,this.overlay=t.element.shadowRoot.querySelector("div.default"),!0===e&&(this.xrLight=new Bu(this.threeRenderer),this.xrLight.addEventListener("estimationstart",(()=>{if(!this.isPresenting||null==this.xrLight)return;const t=this.presentedScene;t.add(this.xrLight),this.oldEnvironment=t.environment,t.environment=this.xrLight.environment})));const i=await this.resolveARSession();i.addEventListener("end",(()=>{this.postSessionCleanup()}),{once:!0});const r=t.element.shadowRoot.querySelector(".slot.exit-webxr-ar-button");r.classList.add("enabled"),r.addEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=r;const s=await i.requestReferenceSpace("viewer");this.tracking=!0,this.frames=0,this.initialized=!1,this.turntableRotation=t.yaw,this.goalYaw=t.yaw,this.goalScale=1,this.oldBackground=t.background,t.background=null,this.oldShadowIntensity=t.shadowIntensity,t.setShadowIntensity(0),this.oldTarget.copy(t.getTarget()),this.oldFramedFieldOfView=t.framedFieldOfView,t.addEventListener("model-load",this.onUpdateScene);const a=20*Math.PI/180,o=!0===this.placeOnWall?void 0:new XRRay(new DOMPoint(0,0,0),{x:0,y:-Math.sin(a),z:-Math.cos(a)});i.requestHitTestSource({space:s,offsetRay:o}).then((t=>{this.initialHitSource=t})),this.currentSession=i,this.placementBox=new Wu(t,this.placeOnWall?"back":"bottom"),this.placementComplete=!1,this.lastTick=performance.now(),this.dispatchEvent({type:"status",status:qu})}async stopPresenting(){if(!this.isPresenting)return;const t=new Promise((t=>{this.resolveCleanup=t}));try{await this.currentSession.end(),await t}catch(t){console.warn("Error while trying to end WebXR AR session"),console.warn(t),this.postSessionCleanup()}}get isPresenting(){return null!=this.presentedScene}get target(){return this.oldTarget}updateTarget(){const t=this.presentedScene;if(null!=t){const e=t.getTarget();this.oldTarget.copy(e),this.placeOnWall?e.z=t.boundingBox.min.z:e.y=t.boundingBox.min.y,t.setTarget(e.x,e.y,e.z)}}postSessionCleanup(){const t=this.currentSession;null!=t&&(t.removeEventListener("selectstart",this.onSelectStart),t.removeEventListener("selectend",this.onSelectEnd),this.currentSession=null);const e=this.presentedScene;if(null!=e){const{element:t}=e;null!=this.xrLight&&(e.remove(this.xrLight),null!=this.oldEnvironment&&(e.environment=this.oldEnvironment,this.oldEnvironment=null),this.xrLight.dispose(),this.xrLight=null),e.position.set(0,0,0),e.scale.set(1,1,1),e.setShadowScaleAndOffset(1,0);const n=this.turntableRotation;null!=n&&(e.yaw=n);const i=this.oldShadowIntensity;null!=i&&e.setShadowIntensity(i);const r=this.oldBackground;null!=r&&(e.background=r);const s=this.oldTarget;e.setTarget(s.x,s.y,s.z),e.framedFieldOfView=this.oldFramedFieldOfView,e.xrCamera=null,e.removeEventListener("model-load",this.onUpdateScene),e.orientHotspots(0),t.requestUpdate("cameraTarget"),t.requestUpdate("maxCameraOrbit"),t[gp](t.getBoundingClientRect())}this.renderer.height=0;const n=this.exitWebXRButtonContainer;null!=n&&(n.classList.remove("enabled"),n.removeEventListener("click",this.onExitWebXRButtonContainerClick),this.exitWebXRButtonContainer=null);const i=this.transientHitTestSource;null!=i&&(i.cancel(),this.transientHitTestSource=null);const r=this.initialHitSource;null!=r&&(r.cancel(),this.initialHitSource=null),null!=this.placementBox&&(this.placementBox.dispose(),this.placementBox=null),this.lastTick=null,this.turntableRotation=null,this.oldShadowIntensity=null,this.oldBackground=null,this._presentedScene=null,this.frame=null,this.inputSource=null,this.overlay=null,null!=this.resolveCleanup&&this.resolveCleanup(),this.dispatchEvent({type:"status",status:ju})}updateView(t){const e=this.presentedScene,n=this.threeRenderer.xr;n.updateCamera(td),e.xrCamera=n.getCamera();const{elements:i}=e.getCamera().matrixWorld;if(e.orientHotspots(Math.atan2(i[1],i[5])),this.initialized||(this.placeInitially(),this.initialized=!0),t.requestViewportScale&&t.recommendedViewportScale){const e=t.recommendedViewportScale;t.requestViewportScale(Math.max(e,.25))}const r=this.currentSession.renderState.baseLayer.getViewport(t);this.threeRenderer.setViewport(r.x,r.y,r.width,r.height)}placeInitially(){const t=this.presentedScene,{position:e,element:n}=t,i=t.getCamera(),{width:r,height:s}=this.overlay.getBoundingClientRect();t.setSize(r,s),i.projectionMatrixInverse.copy(i.projectionMatrix).invert();const{theta:a,radius:o}=n.getCameraOrbit(),l=i.getWorldDirection($u);t.yaw=Math.atan2(-l.x,-l.z)-a,this.goalYaw=t.yaw,e.copy(i.position).add(l.multiplyScalar(o)),this.updateTarget();const c=t.getTarget();e.add(c).sub(this.oldTarget),this.goalPosition.copy(e),t.setHotspotsVisibility(!0);const{session:h}=this.frame;h.addEventListener("selectstart",this.onSelectStart),h.addEventListener("selectend",this.onSelectEnd),h.requestHitTestSourceForTransientInput({profile:"generic-touchscreen"}).then((t=>{this.transientHitTestSource=t}))}getTouchLocation(){const{axes:t}=this.inputSource.gamepad;let e=this.placementBox.getExpandedHit(this.presentedScene,t[0],t[1]);return null!=e&&($u.copy(e).sub(this.presentedScene.getCamera().position),$u.length()>10)?null:e}getHitPoint(t){const e=this.threeRenderer.xr.getReferenceSpace(),n=t.getPose(e);if(null==n)return null;const i=Ku.fromArray(n.transform.matrix);return!0===this.placeOnWall&&(this.goalYaw=Math.atan2(i.elements[4],i.elements[6])),i.elements[5]>.75!==this.placeOnWall?Qu.setFromMatrixPosition(i):null}moveToFloor(t){const e=this.initialHitSource;if(null==e)return;const n=t.getHitTestResults(e);if(0==n.length)return;const i=n[0],r=this.getHitPoint(i);null!=r&&(this.placementBox.show=!0,this.isTranslating||(this.placeOnWall?this.goalPosition.copy(r):this.goalPosition.y=r.y),e.cancel(),this.initialHitSource=null,this.dispatchEvent({type:"status",status:Xu}))}fingerPolar(t){const e=t[0].inputSource.gamepad.axes,n=t[1].inputSource.gamepad.axes,i=n[0]-e[0],r=n[1]-e[1],s=Math.atan2(r,i);let a=this.lastAngle-s;return a>Math.PI?a-=2*Math.PI:a<-Math.PI&&(a+=2*Math.PI),this.lastAngle=s,{separation:Math.sqrt(i*i+r*r),deltaYaw:a}}processInput(t){const e=this.transientHitTestSource;if(null==e)return;if(!this.isTranslating&&!this.isTwoFingering&&!this.isRotating)return;const n=t.getHitTestResultsForTransientInput(e),i=this.presentedScene,r=i.scale.x;if(this.isTwoFingering)if(n.length<2)this.isTwoFingering=!1;else{const{separation:t,deltaYaw:e}=this.fingerPolar(n);if(!1===this.placeOnWall&&(this.goalYaw+=e),i.canScale){const e=t/this.firstRatio;this.goalScale=e<1.3&&e>.7692307692307692?1:e}}else if(2!==n.length)if(this.isRotating){const t=1.5*this.inputSource.gamepad.axes[0];this.goalYaw+=t-this.lastAngle,this.lastAngle=t}else this.isTranslating&&n.forEach((t=>{if(t.inputSource!==this.inputSource)return;let e=null;if(t.results.length>0&&(e=this.getHitPoint(t.results[0])),null==e&&(e=this.getTouchLocation()),null!=e){if(this.goalPosition.sub(this.lastDragPosition),!1===this.placeOnWall){const t=e.y-this.lastDragPosition.y;if(t<0){this.placementBox.offsetHeight=t/r,this.presentedScene.setShadowScaleAndOffset(r,t);const n=$u.copy(i.getCamera().position),s=-t/(n.y-e.y);n.multiplyScalar(s),e.multiplyScalar(1-s).add(n)}}this.goalPosition.add(e),this.lastDragPosition.copy(e)}}));else{this.isTranslating=!1,this.isRotating=!1,this.isTwoFingering=!0;const{separation:t}=this.fingerPolar(n);this.firstRatio=t/r}}moveScene(t){const e=this.presentedScene,{position:n,yaw:i,idealCameraDistance:r}=e,s=this.goalPosition,a=e.scale.x,o=this.placementBox;if(!s.equals(n)||this.goalScale!==a){let{x:i,y:l,z:c}=n;i=this.xDamper.update(i,s.x,t,r),l=this.yDamper.update(l,s.y,t,r),c=this.zDamper.update(c,s.z,t,r),n.set(i,l,c);const h=this.scaleDamper.update(a,this.goalScale,t,1);if(e.scale.set(h,h,h),!this.isTranslating){const t=s.y-l;this.placementComplete&&!1===this.placeOnWall?(o.offsetHeight=t/h,e.setShadowScaleAndOffset(h,t)):0===t&&(this.placementComplete=!0,o.show=!1,e.setShadowIntensity(.3))}}o.updateOpacity(t),e.updateTarget(t),e.yaw=this.yawDamper.update(i,this.goalYaw,t,Math.PI)}onWebXRFrame(t,e){this.frame=e,++this.frames;const n=this.threeRenderer.xr.getReferenceSpace(),i=e.getViewerPose(n);null==i&&!0===this.tracking&&this.frames>30&&(this.tracking=!1,this.dispatchEvent({type:"tracking",status:Ju}));const r=this.presentedScene;if(null==i||null==r||!r.element[_p]())return void this.threeRenderer.clear();!1===this.tracking&&(this.tracking=!0,this.dispatchEvent({type:"tracking",status:Zu}));let s=!0;for(const n of i.views){if(this.updateView(n),s){this.moveToFloor(e),this.processInput(e);const n=t-this.lastTick;this.moveScene(n),this.renderer.preRender(r,t,n),this.lastTick=t}const i=this.threeRenderer.getContext();i.depthMask(!1),i.clear(i.DEPTH_BUFFER_BIT),i.depthMask(!0),this.threeRenderer.render(r,r.getCamera()),s=!1}}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */class nd{constructor(t){t.threeRenderer.debug={checkShaderErrors:!0},Promise.resolve().then((()=>{self.dispatchEvent(new CustomEvent("model-viewer-renderer-debug",{detail:{renderer:t,THREE:{ShaderMaterial:Yn,Texture:Nt,Mesh:Vn,Scene:Ys,PlaneBufferGeometry:ci,OrthographicCamera:xi,WebGLRenderTarget:Ut}}}))}))}addScene(t){self.dispatchEvent(new CustomEvent("model-viewer-scene-added-debug",{detail:{scene:t}}))}removeScene(t){self.dispatchEvent(new CustomEvent("model-viewer-scene-removed-debug",{detail:{scene:t}}))}}function id(t){const e=new Map,n=new Map,i=t.clone();return rd(t,i,(function(t,i){e.set(i,t),n.set(t,i)})),i.traverse((function(t){if(!t.isSkinnedMesh)return;const i=t,r=e.get(t),s=r.skeleton.bones;i.skeleton=r.skeleton.clone(),i.bindMatrix.copy(r.bindMatrix),i.skeleton.bones=s.map((function(t){return n.get(t)})),i.bind(i.skeleton,i.bindMatrix)})),i}function rd(t,e,n){n(t,e);for(let i=0;i{t.traverse((t=>{if(!t.isMesh)return;const e=t;(Array.isArray(e.material)?e.material:[e.material]).forEach((t=>{for(const e in t){const n=t[e];n instanceof Nt&&n.dispose()}t.dispose()})),e.geometry.dispose()}))}))}[ld](){const t=this[od],e=id(this.scene);hd(e,this.scene);const n=[e],i=t.userData?Object.assign({},t.userData):{};return Object.assign(Object.assign({},t),{scene:e,scenes:n,userData:i})}}const hd=(t,e)=>{ud(t,e,((t,e)=>{void 0!==e.userData.variantMaterials&&(t.userData.variantMaterials=new Map(e.userData.variantMaterials)),void 0!==e.userData.originalMaterial&&(t.userData.originalMaterial=e.userData.originalMaterial)}))},ud=(t,e,n)=>{n(t,e);for(let i=0;i{const i=e.threeObjectMap.get(t);if(null!=i)for(const t in i)if(null!=t&&"primitives"!==t){const e=t,o=i[e],l=r[e][o],c=s.get(n)||{};c[e]=o,s.set(n,c);const h=a.get(l)||new Set;h.add(n),a.set(l,h)}}));return new xd(t,r,s,a)}static[gd](t,e,n){const i=(t,e)=>{if(n(t,e),t.isObject3D){if(t.isMesh)if(Array.isArray(t.material))for(let n=0;n{t.renderOrder=1e3,t.frustumCulled=!1,t.name||(t.name=t.uuid);const e=t;e.isMesh&&(e.castShadow=!0,e.isSkinnedMesh&&(e.geometry.boundingSphere=i,e.geometry.boundingBox=null))})),e}get correlatedSceneGraph(){return this[od][wd]}[ld](){const t=super[ld](),e=new Map;return t.scene.traverse((t=>{if(t.isMesh){const n=t;Array.isArray(n.material)?n.material=n.material.map((t=>this[bd](t,e))):null!=n.material&&(n.material=this[bd](n.material,e))}})),t[wd]=xd.from(t,this.correlatedSceneGraph),t}[bd](t,e){if(e.has(t.uuid))return e.get(t.uuid);const n=t.clone();null!=t.map&&(n.map=t.map.clone(),n.map.needsUpdate=!0),null!=t.normalMap&&(n.normalMap=t.normalMap.clone(),n.normalMap.needsUpdate=!0),null!=t.emissiveMap&&(n.emissiveMap=t.emissiveMap.clone(),n.emissiveMap.needsUpdate=!0);let i=null;if(null!=t.roughnessMap&&(i=t.roughnessMap.clone()),null!=i){i.needsUpdate=!0,n.roughnessMap=i;const{threeRenderer:t,roughnessMipmapper:e}=Cd.singleton,{enabled:r}=t.xr;t.xr.enabled=!1;const{image:s}=n.roughnessMap;e.generateMipmaps(n),n.roughnessMap.image=s,t.xr.enabled=r}return t.roughnessMap===t.metalnessMap?n.metalnessMap=i:null!=t.metalnessMap&&(n.metalnessMap=t.metalnessMap.clone(),n.metalnessMap.needsUpdate=!0),t.roughnessMap===t.aoMap?n.aoMap=i:null!=t.aoMap&&(n.aoMap=t.aoMap.clone(),n.aoMap.needsUpdate=!0),n.shadowSide=0,e.set(t.uuid,n),n}} /* @license * Copyright 2021 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ class Md extends Ys{constructor(){super(),this.position.y=-3.5;const t=new Wn;t.deleteAttribute("uv");const e=new Zo({metalness:0,side:1}),n=new Zo({metalness:0}),i=new Il(16777215,500,28,2);i.position.set(.418,16.199,.3),this.add(i);const r=new Vn(t,e);r.position.set(-.757,13.219,.717),r.scale.set(31.713,28.305,28.591),this.add(r);const s=new Vn(t,n);s.position.set(-10.906,2.009,1.846),s.rotation.set(0,-.195,0),s.scale.set(2.328,7.905,4.651),this.add(s);const a=new Vn(t,n);a.position.set(-5.607,-.754,-.758),a.rotation.set(0,.994,0),a.scale.set(1.97,1.534,3.955),this.add(a);const o=new Vn(t,n);o.position.set(6.167,.857,7.803),o.rotation.set(0,.561,0),o.scale.set(3.927,6.285,3.687),this.add(o);const l=new Vn(t,n);l.position.set(-2.017,.018,6.124),l.rotation.set(0,.333,0),l.scale.set(2.002,4.566,2.064),this.add(l);const c=new Vn(t,n);c.position.set(2.291,-.756,-2.621),c.rotation.set(0,-.286,0),c.scale.set(1.546,1.552,1.496),this.add(c);const h=new Vn(t,n);h.position.set(-2.193,-.369,-5.547),h.rotation.set(0,.516,0),h.scale.set(3.875,3.487,2.986),this.add(h);const u=new Vn(t,this.createAreaLightMaterial(50));u.position.set(-16.116,14.37,8.208),u.scale.set(.1,2.428,2.739),this.add(u);const d=new Vn(t,this.createAreaLightMaterial(50));d.position.set(-16.109,18.021,-8.207),d.scale.set(.1,2.425,2.751),this.add(d);const p=new Vn(t,this.createAreaLightMaterial(17));p.position.set(14.904,12.198,-1.832),p.scale.set(.15,4.265,6.331),this.add(p);const m=new Vn(t,this.createAreaLightMaterial(43));m.position.set(-.462,8.89,14.52),m.scale.set(4.38,5.441,.088),this.add(m);const f=new Vn(t,this.createAreaLightMaterial(20));f.position.set(3.235,11.486,-12.541),f.scale.set(2.5,2,.1),this.add(f);const g=new Vn(t,this.createAreaLightMaterial(100));g.position.set(0,20,0),g.scale.set(1,.1,1),this.add(g)}createAreaLightMaterial(t){const e=new hn;return e.color.setScalar(t),e}} /* @license * Copyright 2021 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */class Sd extends Ys{constructor(){super(),this.position.y=-3.5;const t=new Wn;t.deleteAttribute("uv");const e=new Zo({metalness:0,side:1}),n=new Zo({metalness:0}),i=new Il(16777215,400,28,2);i.position.set(.5,14,.5),this.add(i);const r=new Vn(t,e);r.position.set(0,13.2,0),r.scale.set(31.5,28.5,31.5),this.add(r);const s=new Vn(t,n);s.position.set(-10.906,-1,1.846),s.rotation.set(0,-.195,0),s.scale.set(2.328,7.905,4.651),this.add(s);const a=new Vn(t,n);a.position.set(-5.607,-.754,-.758),a.rotation.set(0,.994,0),a.scale.set(1.97,1.534,3.955),this.add(a);const o=new Vn(t,n);o.position.set(6.167,-.16,7.803),o.rotation.set(0,.561,0),o.scale.set(3.927,6.285,3.687),this.add(o);const l=new Vn(t,n);l.position.set(-2.017,.018,6.124),l.rotation.set(0,.333,0),l.scale.set(2.002,4.566,2.064),this.add(l);const c=new Vn(t,n);c.position.set(2.291,-.756,-2.621),c.rotation.set(0,-.286,0),c.scale.set(1.546,1.552,1.496),this.add(c);const h=new Vn(t,n);h.position.set(-2.193,-.369,-5.547),h.rotation.set(0,.516,0),h.scale.set(3.875,3.487,2.986),this.add(h);const u=new Vn(t,this.createAreaLightMaterial(80));u.position.set(-14,10,8),u.scale.set(.1,2.5,2.5),this.add(u);const d=new Vn(t,this.createAreaLightMaterial(80));d.position.set(-14,14,-4),d.scale.set(.1,2.5,2.5),this.add(d);const p=new Vn(t,this.createAreaLightMaterial(23));p.position.set(14,12,0),p.scale.set(.1,5,5),this.add(p);const m=new Vn(t,this.createAreaLightMaterial(16));m.position.set(0,9,14),m.scale.set(5,5,.1),this.add(m);const f=new Vn(t,this.createAreaLightMaterial(80));f.position.set(7,8,-14),f.scale.set(2.5,2.5,.1),this.add(f);const g=new Vn(t,this.createAreaLightMaterial(80));g.position.set(-7,16,-14),g.scale.set(2.5,2.5,.1),this.add(g);const v=new Vn(t,this.createAreaLightMaterial(1));v.position.set(0,20,0),v.scale.set(.1,.1,.1),this.add(v)}createAreaLightMaterial(t){const e=new hn;return e.color.setScalar(t),e}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Td=/\.hdr(\.js)?$/,Ed=new bl,Ad=new class extends xl{constructor(t){super(t),this.type=1016}parse(t){const e=function(t,e){switch(t){case 1:console.error("THREE.RGBELoader Read Error: "+(e||""));break;case 2:console.error("THREE.RGBELoader Write Error: "+(e||""));break;case 3:console.error("THREE.RGBELoader Bad File Format: "+(e||""));break;default:console.error("THREE.RGBELoader: Error: "+(e||""))}return-1},n=function(t,e,n){e=e||1024;let i=t.pos,r=-1,s=0,a="",o=String.fromCharCode.apply(null,new Uint16Array(t.subarray(i,i+128)));for(;0>(r=o.indexOf("\n"))&&s=t.byteLength||!(l=n(t)))return e(1,"no header found");if(!(c=l.match(/^#\?(\S+)/)))return e(3,"bad initial token");for(o.valid|=1,o.programtype=c[1],o.string+=l+"\n";l=n(t),!1!==l;)if(o.string+=l+"\n","#"!==l.charAt(0)){if((c=l.match(i))&&(o.gamma=parseFloat(c[1],10)),(c=l.match(r))&&(o.exposure=parseFloat(c[1],10)),(c=l.match(s))&&(o.valid|=2,o.format=c[1]),(c=l.match(a))&&(o.valid|=4,o.height=parseInt(c[1],10),o.width=parseInt(c[2],10)),2&o.valid&&4&o.valid)break}else o.comments+=l+"\n";return 2&o.valid?4&o.valid?o:e(3,"missing image size specifier"):e(3,"missing format specifier")}(s);if(-1!==a){const t=a.width,n=a.height,o=function(t,n,i){const r=n;if(r<8||r>32767||2!==t[0]||2!==t[1]||128&t[2])return new Uint8Array(t);if(r!==(t[2]<<8|t[3]))return e(3,"wrong scanline width");const s=new Uint8Array(4*n*i);if(!s.length)return e(4,"unable to allocate buffer space");let a=0,o=0;const l=4*r,c=new Uint8Array(4),h=new Uint8Array(l);let u=i;for(;u>0&&ot.byteLength)return e(1);if(c[0]=t[o++],c[1]=t[o++],c[2]=t[o++],c[3]=t[o++],2!=c[0]||2!=c[1]||(c[2]<<8|c[3])!=r)return e(3,"bad rgbe scanline format");let n,i=0;for(;i128;if(r&&(n-=128),0===n||i+n>l)return e(3,"bad scanline data");if(r){const e=t[o++];for(let t=0;t{})){try{const n=Td.test(t),i=n?Ad:Ed,r=await new Promise(((n,r)=>i.load(t,n,(t=>{e(t.loaded/t.total*.9)}),r)));return e(1),r.name=t,r.mapping=303,n||(r.encoding=3007),r}finally{e&&e(1)}}async generateEnvironmentMapAndSkybox(t=null,e=null,n={}){const{progressTracker:i}=n,r=null!=i?i.beginActivity():()=>{},s="neutral"===e;!0===s&&(e=null);const a=qh(e);try{let e,n=Promise.resolve(null);t&&(n=this.loadEquirectFromUrl(t,i)),e=a?this.loadEquirectFromUrl(a,i):t?this.loadEquirectFromUrl(t,i):!0===s?this.loadGeneratedEnvironmentMapAlt():this.loadGeneratedEnvironmentMap();let[o,l]=await Promise.all([e,n]);if(null==o)throw new Error("Failed to load environment map.");return{environmentMap:o,skybox:l}}finally{r(1)}}async loadEquirectFromUrl(t,e){if(!this.skyboxCache.has(t)){const n=e?e.beginActivity():()=>{},i=this.load(t,n);this.skyboxCache.set(t,i)}return this.skyboxCache.get(t)}async GenerateEnvironmentMap(t,e){await Qh();const n=this.threeRenderer,i=new Qn(256,{generateMipmaps:!1,type:1016,format:1023,encoding:3e3,depthBuffer:!0}),r=new $n(.1,100,i),s=r.renderTarget.texture;s.name=e,s.isRenderTargetTexture=!1,s.images=[1,1,1,1,1,1],t.scale.setComponent(0,-1);const a=n.outputEncoding,o=n.toneMapping;return n.toneMapping=0,n.outputEncoding=3e3,r.update(n,t),await this.blurCubemap(i,.04),n.toneMapping=o,n.outputEncoding=a,s}async loadGeneratedEnvironmentMap(){return null==this.generatedEnvironmentMap&&(this.generatedEnvironmentMap=this.GenerateEnvironmentMap(new Md,"default")),this.generatedEnvironmentMap}async loadGeneratedEnvironmentMapAlt(){return null==this.generatedEnvironmentMapAlt&&(this.generatedEnvironmentMapAlt=this.GenerateEnvironmentMap(new Sd,"neutral")),this.generatedEnvironmentMapAlt}async blurCubemap(t,e){if(null==this.blurMaterial){this.blurMaterial=this.getBlurShader(20);const t=new Wn,e=new Vn(t,this.blurMaterial);this.blurScene=new Ys,this.blurScene.add(e)}const n=t.clone();this.halfblur(t,n,e,"latitudinal"),this.halfblur(n,t,e,"longitudinal")}async halfblur(t,e,n,i){const r=t.width,s=isFinite(n)?Math.PI/(2*r):2*Math.PI/39,a=n/s,o=isFinite(n)?1+Math.floor(3*a):20;o>20&&console.warn(`sigmaRadians, ${n}, is too large and will clip, as it requested ${o} samples when the maximum is set to 20`);const l=[];let c=0;for(let t=0;t<20;++t){const e=t/a,n=Math.exp(-e*e/2);l.push(n),0==t?c+=n:t= samples ) {\n \n break;\n \n }\n \n float theta = dTheta * float( i );\n gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n gl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n \n }\n }\n ",blending:0,depthTest:!1,depthWrite:!1,side:1})}async dispose(){for(const[,t]of this.skyboxCache){(await t).dispose()}null!=this.generatedEnvironmentMap&&((await this.generatedEnvironmentMap).dispose(),this.generatedEnvironmentMap=null),null!=this.generatedEnvironmentMapAlt&&((await this.generatedEnvironmentMapAlt).dispose(),this.generatedEnvironmentMapAlt=null),null!=this.blurMaterial&&this.blurMaterial.dispose()}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Rd=[1,.79,.62,.5,.4,.31,.25];class Cd extends pt{constructor(t){super(),this.loader=new kh(_d),this.width=0,this.height=0,this.dpr=1,this.debugger=null,this.scenes=new Set,this.multipleScenesVisible=!1,this.scaleStep=0,this.lastStep=3,this.avgFrameDuration=22,this.onWebGLContextLost=t=>{this.dispatchEvent({type:"contextlost",sourceEvent:t})},this.onWebGLContextRestored=()=>{var t;null===(t=this.textureUtils)||void 0===t||t.dispose(),this.textureUtils=new Ld(this.threeRenderer),this.roughnessMipmapper=new Iu(this.threeRenderer);for(const t of this.scenes)t.element[Ou]();this.threeRenderer.shadowMap.needsUpdate=!0},this.dpr=$h(),this.canvas3D=document.createElement("canvas"),this.canvas3D.id="webgl-canvas";try{this.threeRenderer=new Xs({canvas:this.canvas3D,alpha:!0,antialias:!0,powerPreference:t.powerPreference,preserveDrawingBuffer:!0}),this.threeRenderer.autoClear=!0,this.threeRenderer.outputEncoding=3007,this.threeRenderer.physicallyCorrectLights=!0,this.threeRenderer.setPixelRatio(1),this.threeRenderer.shadowMap.enabled=!0,this.threeRenderer.shadowMap.type=2,this.threeRenderer.shadowMap.autoUpdate=!1,this.debugger=t.debug?new nd(this):null,this.threeRenderer.debug={checkShaderErrors:!!this.debugger},this.threeRenderer.toneMapping=4}catch(t){console.warn(t)}this.arRenderer=new ed(this),this.textureUtils=this.canRender?new Ld(this.threeRenderer):null,this.roughnessMipmapper=new Iu(this.threeRenderer),kh.initializeKTX2Loader(this.threeRenderer),this.canvas3D.addEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.addEventListener("webglcontextrestored",this.onWebGLContextRestored),this.updateRendererSize(),this.lastTick=performance.now(),this.avgFrameDuration=0}static get singleton(){return this._singleton}static resetSingleton(){const t=this._singleton.dispose();for(const e of t)e.disconnectedCallback();this._singleton=new Cd({powerPreference:(self.ModelViewerElement||{}).powerPreference||"high-performance",debug:Kh()});for(const e of t)e.connectedCallback()}get canRender(){return null!=this.threeRenderer}get scaleFactor(){return Rd[this.scaleStep]}set minScale(t){let e=1;for(;e26?++this.scaleStep:this.avgFrameDuration<18&&this.scaleStep>0&&--this.scaleStep,this.scaleStep=Math.min(this.scaleStep,this.lastStep),t==this.scaleStep)return;const e=this.scaleFactor;this.avgFrameDuration=22;const n=this.width/e,i=this.height/e;this.canvas3D.style.width=`${n}px`,this.canvas3D.style.height=`${i}px`;for(const t of this.scenes){const{style:e}=t.canvas;e.width=`${n}px`,e.height=`${i}px`,t.queueRender()}}registerScene(t){this.scenes.add(t);const{canvas:e}=t,n=this.scaleFactor;e.width=Math.round(this.width*this.dpr),e.height=Math.round(this.height*this.dpr),e.style.width=this.width/n+"px",e.style.height=this.height/n+"px",this.multipleScenesVisible&&e.classList.add("show"),t.queueRender(),this.canRender&&this.scenes.size>0&&this.threeRenderer.setAnimationLoop(((t,e)=>this.render(t,e))),null!=this.debugger&&this.debugger.addScene(t)}unregisterScene(t){this.scenes.delete(t),this.canRender&&0===this.scenes.size&&this.threeRenderer.setAnimationLoop(null),null!=this.debugger&&this.debugger.removeScene(t)}displayCanvas(t){return this.multipleScenesVisible?t.element[up]:this.canvas3D}selectCanvas(){let t=0,e=null;for(const n of this.scenes){const{element:i}=n;i.modelIsVisible&&null==n.externalRenderer&&(++t,e=n.canvas)}if(null==e)return;const n=t>1,{canvas3D:i}=this;if(n!==this.multipleScenesVisible||!n&&i.parentElement!==e.parentElement){this.multipleScenesVisible=n,n&&i.classList.remove("show");for(const t of this.scenes){if(null!=t.externalRenderer)continue;const r=t.element[up];n?(r.classList.add("show"),t.queueRender()):t.canvas===e&&(t.canvas.parentElement.appendChild(i),i.classList.add("show"),r.classList.remove("show"),t.queueRender())}}}orderedScenes(){const t=[];for(const e of[!1,!0])for(const n of this.scenes)n.element.modelIsVisible===e&&t.push(n);return t}get isPresenting(){return this.arRenderer.isPresenting}preRender(t,e,n){const{element:i,exposure:r}=t;i[mp](e,n);const s="number"==typeof r&&!self.isNaN(r);this.threeRenderer.toneMappingExposure=s?r:1,t.isShadowDirty()&&(this.threeRenderer.shadowMap.needsUpdate=!0)}render(t,e){if(null!=e)return void this.arRenderer.onWebXRFrame(t,e);const n=t-this.lastTick;if(this.lastTick=t,!this.canRender||this.isPresenting)return;this.avgFrameDuration+=Jh(.2*(n-this.avgFrameDuration),-2,2),this.selectCanvas(),this.updateRendererSize(),this.updateRendererScale();const{dpr:i,scaleFactor:r}=this;for(const e of this.orderedScenes()){const{element:s}=e;if(!s.modelIsVisible&&e.renderCount>0)continue;if(this.preRender(e,t,n),!e.shouldRender())continue;if(null!=e.externalRenderer){const t=e.getCamera();t.updateMatrix();const{matrix:n,projectionMatrix:i}=t,r=n.elements.slice(),s=e.getTarget();r[12]+=s.x,r[13]+=s.y,r[14]+=s.z,e.externalRenderer.render({viewMatrix:r,projectionMatrix:i.elements});continue}if(!s.modelIsVisible&&!this.multipleScenesVisible)for(const t of this.scenes)t.element.modelIsVisible&&t.queueRender();const a=Math.min(Math.ceil(e.width*r*i),this.canvas3D.width),o=Math.min(Math.ceil(e.height*r*i),this.canvas3D.height);if(this.threeRenderer.setRenderTarget(null),this.threeRenderer.setViewport(0,Math.floor(this.height*i)-o,a,o),this.threeRenderer.render(e,e.camera),this.multipleScenesVisible){null==e.context&&e.createContext();const t=e.context;t.clearRect(0,0,a,o),t.drawImage(this.canvas3D,0,0,a,o,0,0,a,o)}e.hasRendered(),s.loaded&&++e.renderCount}}dispose(){null!=this.textureUtils&&this.textureUtils.dispose(),null!=this.roughnessMipmapper&&this.roughnessMipmapper.dispose(),null!=this.threeRenderer&&this.threeRenderer.dispose(),this.textureUtils=null,this.threeRenderer=null;const t=[];for(const e of this.scenes)t.push(e.element);return this.canvas3D.removeEventListener("webglcontextlost",this.onWebGLContextLost),this.canvas3D.removeEventListener("webglcontextrestored",this.onWebGLContextRestored),t}}Cd._singleton=new Cd({powerPreference:(self.ModelViewerElement||{}).powerPreference||"high-performance",debug:Kh()}); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Pd,Id;const Dd=Symbol("ongoingActivities"),Nd=Symbol("announceTotalProgress"),Fd=Symbol("eventDelegate");class Od{constructor(){this[Pd]=document.createDocumentFragment(),this.addEventListener=(...t)=>this[Fd].addEventListener(...t),this.removeEventListener=(...t)=>this[Fd].removeEventListener(...t),this.dispatchEvent=(...t)=>this[Fd].dispatchEvent(...t),this[Id]=new Set}get ongoingActivityCount(){return this[Dd].size}beginActivity(){const t={progress:0};return this[Dd].add(t),1===this.ongoingActivityCount&&this[Nd](),e=>{let n;return n=Math.max(Jh(e,0,1),t.progress),n!==t.progress&&(t.progress=n,this[Nd]()),t.progress}}[(Pd=Fd,Id=Dd,Nd)](){let t=0,e=0,n=0;for(const i of this[Dd]){const{progress:r}=i;t+=r*(.5/Math.pow(2,e++)),1===r&&n++}n===this.ongoingActivityCount&&(t=1,this[Dd].clear()),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:t}}))}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var Ud,kd,zd,Bd,Hd,Vd,Gd,Wd,jd,qd,Xd=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Yd=document.createElement("canvas"),Zd=Symbol("fallbackResizeHandler"),Jd=Symbol("defaultAriaLabel"),$d=Symbol("resizeObserver"),Kd=Symbol("clearModelTimeout"),Qd=Symbol("onContextLost"),tp=Symbol("loaded"),ep=Symbol("updateSize"),np=Symbol("intersectionObserver"),ip=Symbol("isElementInViewport"),rp=Symbol("announceModelVisibility"),sp=Symbol("ariaLabel"),ap=Symbol("loadedTime"),op=Symbol("updateSource"),lp=Symbol("markLoaded"),cp=Symbol("container"),hp=Symbol("input"),up=Symbol("canvas"),dp=Symbol("scene"),pp=Symbol("needsRender"),mp=Symbol("tick"),fp=Symbol("onModelLoad"),gp=Symbol("onResize"),vp=Symbol("renderer"),yp=Symbol("progressTracker"),xp=Symbol("getLoaded"),bp=Symbol("getModelIsVisible"),wp=Symbol("shouldAttemptPreload"),_p=Symbol("sceneIsReady"),Mp=Symbol("hasTransitioned"),Sp=t=>({x:t.x,y:t.y,z:t.z,toString(){return`${this.x}m ${this.y}m ${this.z}m`}});class Tp extends X{constructor(){super(),this.alt=null,this.src=null,this[Ud]=!1,this[kd]=!1,this[zd]=0,this[Bd]=null,this[Hd]=Zh((()=>{const t=this.getBoundingClientRect();this[ep](t)}),50),this[Vd]=Zh((t=>{const e=this.modelIsVisible;e!==t&&this.dispatchEvent(new CustomEvent("model-visibility",{detail:{visible:e}}))}),0),this[Gd]=null,this[Wd]=null,this[jd]=new Od,this[qd]=t=>{this.dispatchEvent(new CustomEvent("error",{detail:{type:"webglcontextlost",sourceError:t.sourceEvent}}))},this.attachShadow({mode:"open"});const t=this.shadowRoot;let e,n;if((t=>{F(dt,t)})(t),this[cp]=t.querySelector(".container"),this[hp]=t.querySelector(".userInput"),this[up]=t.querySelector("canvas"),this[Jd]=this[hp].getAttribute("aria-label"),this.isConnected){const t=this.getBoundingClientRect();e=t.width,n=t.height}else e=300,n=150;this[dp]=new Eu({canvas:this[up],element:this,width:e,height:n}),this[dp].addEventListener("model-load",(async t=>{this[lp](),this[fp](),await Qh(),this.dispatchEvent(new CustomEvent("load",{detail:{url:t.url}}))})),Promise.resolve().then((()=>{this[ep](this.getBoundingClientRect())})),it&&(this[$d]=new ResizeObserver((t=>{if(!this[vp].isPresenting)for(let e of t)e.target===this&&this[ep](e.contentRect)}))),rt?this[np]=new IntersectionObserver((t=>{for(let e of t)if(e.target===this){const t=this.modelIsVisible;this[ip]=e.isIntersecting,this[rp](t),this[ip]&&!this[_p]()&&this[op]()}}),{root:null,rootMargin:"0px",threshold:0}):this[ip]=!0}static get is(){return"model-viewer"}static set modelCacheSize(t){kh[Oh].evictionThreshold=t}static get modelCacheSize(){return kh[Oh].evictionThreshold}static set minimumRenderScale(t){t>1&&console.warn(" minimumRenderScale has been clamped to a maximum value of 1."),t<=0&&console.warn(" minimumRenderScale has been clamped to a minimum value of 0.25."),Cd.singleton.minScale=t}static get minimumRenderScale(){return Cd.singleton.minScale}get loaded(){return this[xp]()}get[(Ud=ip,kd=tp,zd=ap,Bd=Kd,Hd=Zd,Vd=rp,Gd=$d,Wd=np,jd=yp,vp)](){return Cd.singleton}get modelIsVisible(){return this[bp]()}connectedCallback(){super.connectedCallback&&super.connectedCallback(),it?this[$d].observe(this):self.addEventListener("resize",this[Zd]),rt&&this[np].observe(this);const t=this[vp];t.addEventListener("contextlost",this[Qd]),t.registerScene(this[dp]),null!=this[Kd]&&(self.clearTimeout(this[Kd]),this[Kd]=null,this.requestUpdate("src",null))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),it?this[$d].unobserve(this):self.removeEventListener("resize",this[Zd]),rt&&this[np].unobserve(this);const t=this[vp];t.removeEventListener("contextlost",this[Qd]),t.unregisterScene(this[dp]),this[Kd]=self.setTimeout((()=>{this[dp].reset()}),1e3)}updated(t){if(super.updated(t),t.has("src")&&(null==this.src?(this[tp]=!1,this[ap]=0,this[dp].reset()):this.src!==this[dp].url&&(this[tp]=!1,this[ap]=0,this[op]())),t.has("alt")){const t=null==this.alt?this[Jd]:this.alt;this[hp].setAttribute("aria-label",t)}}toDataURL(t,e){return this[vp].displayCanvas(this[dp]).toDataURL(t,e)}async toBlob(t){const e=t?t.mimeType:void 0,n=t?t.qualityArgument:void 0,i=t?t.idealAspect:void 0,{width:r,height:s,fieldOfViewAspect:a,aspect:o}=this[dp],{dpr:l,scaleFactor:c}=this[vp];let h=r*c*l,u=s*c*l,d=0,p=0;if(!0===i)if(a>o){const t=u;u=Math.round(h/a),p=(t-u)/2}else{const t=h;h=Math.round(u*a),d=(t-h)/2}Yd.width=h,Yd.height=u;try{return new Promise((async(t,i)=>(Yd.getContext("2d").drawImage(this[vp].displayCanvas(this[dp]),d,p,h,u,0,0,h,u),!Yd.msToBlob||e&&"image/png"!==e?Yd.toBlob?void Yd.toBlob((e=>{if(!e)return i(new Error("Unable to retrieve canvas blob"));t(e)}),e,n):t(await(async t=>new Promise(((e,n)=>{const i=t.match(/data:(.*);/);if(!i)return n(new Error(`${t} is not a valid data Url`));const r=i[1],s=t.replace(/data:image\/\w+;base64,/,""),a=atob(s),o=[];for(let t=0;tt(.8*e)));const n={url:e};this.dispatchEvent(new CustomEvent("preload",{detail:n}))}catch(t){this.dispatchEvent(new CustomEvent("error",{detail:t}))}finally{t(.9),requestAnimationFrame((()=>{requestAnimationFrame((()=>{t(1)}))}))}}}Xd([Z({type:String})],Tp.prototype,"alt",void 0),Xd([Z({type:String})],Tp.prototype,"src",void 0); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Ep=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Ap=Symbol("changeAnimation"),Lp=Symbol("paused"),Rp=Symbol("hotspotMap"),Cp=Symbol("mutationCallback"),Pp=Symbol("observer"),Ip=Symbol("addHotspot"),Dp=Symbol("removeHotspot"),Np=new ve,Fp=new Lt; /*! 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Sm=function(t){var e=0;if(t)for(var n in t){var i=t[n].length;if(i>65535)throw"extra field too long";e+=i+4}return e},Tm=function(t,e,n,i,r,s,a,o){var l=i.length,c=n.extra,h=o&&o.length,u=Sm(c);ym(t,e,null!=a?33639248:67324752),e+=4,null!=a&&(t[e++]=20,t[e++]=n.os),t[e]=20,e+=2,t[e++]=n.flag<<1|(null==s&&8),t[e++]=r&&8,t[e++]=255&n.compression,t[e++]=n.compression>>8;var d=new Date(null==n.mtime?Date.now():n.mtime),p=d.getFullYear()-1980;if(p<0||p>119)throw"date not in range 1980-2099";if(ym(t,e,p<<25|d.getMonth()+1<<21|d.getDate()<<16|d.getHours()<<11|d.getMinutes()<<5|d.getSeconds()>>>1),e+=4,null!=s&&(ym(t,e,n.crc),ym(t,e+4,s),ym(t,e+8,n.size)),ym(t,e+12,l),ym(t,e+14,u),e+=16,null!=a&&(ym(t,e,h),ym(t,e+6,n.attrs),ym(t,e+10,a),e+=14),t.set(i,e),e+=l,u)for(var m in c){var f=c[m],g=f.length;ym(t,e,+m),ym(t,e+2,g),t.set(f,e+4),e+=4+g}return h&&(t.set(o,e),e+=h),e};function Em(t,e){e||(e={});var n={},i=[];bm(t,"",n,e);var r=0,s=0;for(var a in n){var o=n[a],l=o[0],c=o[1],h=0==c.level?0:8,u=(M=Mm(a)).length,d=c.comment,p=d&&Mm(d),m=p&&p.length,f=Sm(c.extra);if(u>65535)throw"filename too long";var g=h?xm(l,c):l,v=g.length,y=fm();y.p(l),i.push(vm(c,{size:l.length,crc:y.d(),c:g,f:M,m:p,u:u!=a.length||p&&d.length!=m,o:r,compression:h})),r+=30+u+f+v,s+=76+2*(u+f)+(m||0)+v}for(var x=new Up(s+22),b=r,w=s-r,_=0;_{if(t.isMesh&&t.material.isMeshStandardMaterial){const r=t.geometry,s=t.material,a="geometries/Geometry_"+r.id+".usd";if(!(a in e)){const t=function(t){return`\ndef "Geometry"\n{\n ${function(t){const e="Geometry",n=t.attributes,i=n.position.count;return`\n def Mesh "${e}"\n {\n int[] faceVertexCounts = [${function(t){const e=null!==t.index?t.index.array.length:t.attributes.position.count;return Array(e/3).fill(3).join(", ")}(t)}]\n int[] faceVertexIndices = [${function(t){if(null!==t.index)return t.index.array.join(", ");const e=[],n=t.attributes.position.count;for(let t=0;t\n)\n{\n matrix4d xformOp:transform = ${r}\n uniform token[] xformOpOrder = ["xformOp:transform"]\n\n rel material:binding = \n}\n\n`}(t,r,s)}})),n+=function(t,e){const n=[];for(const i in t){const r=t[i];n.push(Im(r,e))}return`def "Materials"\n{\n${n.join("")}\n}\n\n`}(i,r),e["model.usda"]=Mm(n),n=null;for(const t in r){const n=r[t],i=t.split("_")[1],s=1023===n.format,a=Lm(n.image,i),o=await new Promise((t=>a.toBlob(t,s?"image/png":"image/jpeg",1)));e[`textures/Texture_${t}.${s?"png":"jpg"}`]=new Uint8Array(await o.arrayBuffer())}let s=0;for(const t in e){const n=e[t];s+=34+t.length;const i=63&s;if(4!==i){const r=new Uint8Array(64-i);e[t]=[n,{extra:{12345:r}}]}s=n.length}return Em(e,{level:0})}}function Lm(t,e){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const n=1024/Math.max(t.width,t.height),i=document.createElement("canvas");i.width=t.width*Math.min(1,n),i.height=t.height*Math.min(1,n);const r=i.getContext("2d");if(r.drawImage(t,0,0,i.width,i.height),void 0!==e){const t=parseInt(e,16),n=(t>>16&255)/255,s=(t>>8&255)/255,a=(255&t)/255,o=r.getImageData(0,0,i.width,i.height),l=o.data;for(let t=0;t\n float2 inputs:scale = ${Nm(n.repeat)}\n float2 inputs:translation = ${Nm(n.offset)}\n float2 outputs:result\n }\n\n def Shader "Texture_${n.id}_${i}"\n {\n uniform token info:id = "UsdUVTexture"\n asset inputs:file = @textures/Texture_${s}.${a?"png":"jpg"}@\n float2 inputs:st.connect = \n token inputs:wrapS = "repeat"\n token inputs:wrapT = "repeat"\n float outputs:r\n float outputs:g\n float outputs:b\n float3 outputs:rgb\n }`}return null!==t.map?(i.push(`${n}color3f inputs:diffuseColor.connect = `),r.push(s(t.map,"diffuse",t.color))):i.push(`${n}color3f inputs:diffuseColor = ${Dm(t.color)}`),null!==t.emissiveMap?(i.push(`${n}color3f inputs:emissiveColor.connect = `),r.push(s(t.emissiveMap,"emissive"))):t.emissive.getHex()>0&&i.push(`${n}color3f inputs:emissiveColor = ${Dm(t.emissive)}`),null!==t.normalMap&&(i.push(`${n}normal3f inputs:normal.connect = `),r.push(s(t.normalMap,"normal"))),null!==t.aoMap&&(i.push(`${n}float inputs:occlusion.connect = `),r.push(s(t.aoMap,"occlusion"))),null!==t.roughnessMap&&1===t.roughness?(i.push(`${n}float inputs:roughness.connect = `),r.push(s(t.roughnessMap,"roughness"))):i.push(`${n}float inputs:roughness = ${t.roughness}`),null!==t.metalnessMap&&1===t.metalness?(i.push(`${n}float inputs:metallic.connect = `),r.push(s(t.metalnessMap,"metallic"))):i.push(`${n}float inputs:metallic = ${t.metalness}`),null!==t.alphaMap?(i.push(`${n}float inputs:opacity.connect = `),i.push(`${n}float inputs:opacityThreshold = 0.0001`),r.push(s(t.alphaMap,"opacity"))):i.push(`${n}float inputs:opacity = ${t.opacity}`),t.isMeshPhysicalMaterial&&(i.push(`${n}float inputs:clearcoat = ${t.clearcoat}`),i.push(`${n}float inputs:clearcoatRoughness = ${t.clearcoatRoughness}`),i.push(`${n}float inputs:ior = ${t.ior}`)),`\n def Material "Material_${t.id}"\n {\n def Shader "PreviewSurface"\n {\n uniform token info:id = "UsdPreviewSurface"\n${i.join("\n")}\n int inputs:useSpecularWorkflow = 0\n token outputs:surface\n }\n\n token outputs:surface.connect = \n token inputs:frame:stPrimvarName = "st"\n\n def Shader "uvReader_st"\n {\n uniform token info:id = "UsdPrimvarReader_float2"\n token inputs:varname.connect = \n float2 inputs:fallback = (0.0, 0.0)\n float2 outputs:result\n }\n\n${r.join("\n")}\n\n }\n`}function Dm(t){return`(${t.r}, ${t.g}, ${t.b})`}function Nm(t){return`(${t.x}, ${t.y})`} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Fm=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};let Om=!1,Um=!1;const km=(zm=["quick-look","scene-viewer","webxr","none"],t=>{try{const e=nu(t),n=(e.length?e[0].terms:[]).filter((t=>t&&"ident"===t.type)).map((t=>t.value)).filter((t=>zm.indexOf(t)>-1)),i=new Set;for(const t of n)i.add(t);return i}catch(t){}return new Set});var zm;const Bm="quick-look",Hm="scene-viewer",Vm="webxr",Gm="none",Wm=Symbol("arButtonContainer"),jm=Symbol("enterARWithWebXR"),qm=Symbol("openSceneViewer"),Xm=Symbol("openIOSARQuickLook"),Ym=Symbol("canActivateAR"),Zm=Symbol("arMode"),Jm=Symbol("arModes"),$m=Symbol("arAnchor"),Km=Symbol("preload"),Qm=Symbol("onARButtonContainerClick"),tf=Symbol("onARStatus"),ef=Symbol("onARTracking"),nf=Symbol("onARTap"),rf=Symbol("selectARMode"),sf=Symbol("triggerLoad"); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var af,of,lf;const cf=Symbol("evaluate"),hf=Symbol("lastValue");class uf{constructor(){this[af]=null}static evaluatableFor(t,e=hu){if(t instanceof uf)return t;if("number"===t.type)return"%"===t.unit?new mf(t,e):t;switch(t.name.value){case"calc":return new xf(t,e);case"env":return new gf(t)}return hu}static evaluate(t){return t instanceof uf?t.evaluate():t}static isConstant(t){return!(t instanceof uf)||t.isConstant}static applyIntrinsics(t,e){const{basis:n,keywords:i}=e,{auto:r}=i;return n.map(((e,n)=>{const s=null==r[n]?e:r[n];let a=t[n]?t[n]:s;if("ident"===a.type){const t=a.value;t in i&&(a=i[t][n])}return null!=a&&"ident"!==a.type||(a=s),"%"===a.unit?eu(a.number/100*e.number,e.unit):(a=pu(a,e),a.unit!==e.unit?e:a)}))}get isConstant(){return!1}evaluate(){return this.isConstant&&null!=this[hf]||(this[hf]=this[cf]()),this[hf]}}af=hf;const df=Symbol("percentage"),pf=Symbol("basis");class mf extends uf{constructor(t,e){super(),this[df]=t,this[pf]=e}get isConstant(){return!0}[cf](){return eu(this[df].number/100*this[pf].number,this[pf].unit)}}const ff=Symbol("identNode");class gf extends uf{constructor(t){super(),this[of]=null;const e=t.arguments.length?t.arguments[0].terms[0]:null;null!=e&&"ident"===e.type&&(this[ff]=e)}get isConstant(){return!1}[(of=ff,cf)](){if(null!=this[ff]&&"window-scroll-y"===this[ff].value){return{type:"number",number:window.pageYOffset/(Math.max(document.body.scrollHeight,document.body.offsetHeight,document.documentElement.clientHeight,document.documentElement.scrollHeight,document.documentElement.offsetHeight)-window.innerHeight)||0,unit:null}}return hu}}const vf=/[\*\/]/,yf=Symbol("evalutor");class xf extends uf{constructor(t,e=hu){if(super(),this[lf]=null,1!==t.arguments.length)return;const n=t.arguments[0].terms.slice(),i=[];for(;n.length;){const t=n.shift();if(i.length>0){const n=i[i.length-1];if("operator"===n.type&&vf.test(n.value)){const n=i.pop(),r=i.pop();if(null==r)return;i.push(new Mf(n,uf.evaluatableFor(r,e),uf.evaluatableFor(t,e)));continue}}i.push("operator"===t.type?t:uf.evaluatableFor(t,e))}for(;i.length>2;){const[t,n,r]=i.splice(0,3);if("operator"!==n.type)return;i.unshift(new Mf(n,uf.evaluatableFor(t,e),uf.evaluatableFor(r,e)))}1===i.length&&(this[yf]=i[0])}get isConstant(){return null==this[yf]||uf.isConstant(this[yf])}[(lf=yf,cf)](){return null!=this[yf]?uf.evaluate(this[yf]):hu}}const bf=Symbol("operator"),wf=Symbol("left"),_f=Symbol("right");class Mf extends uf{constructor(t,e,n){super(),this[bf]=t,this[wf]=e,this[_f]=n}get isConstant(){return uf.isConstant(this[wf])&&uf.isConstant(this[_f])}[cf](){const t=pu(uf.evaluate(this[wf])),e=pu(uf.evaluate(this[_f])),{number:n,unit:i}=t,{number:r,unit:s}=e;if(null!=s&&null!=i&&s!=i)return hu;const a=i||s;let o;switch(this[bf].value){case"+":o=n+r;break;case"-":o=n-r;break;case"/":o=n/r;break;case"*":o=n*r;break;default:return hu}return{type:"number",number:o,unit:a}}}const Sf=Symbol("evaluatables"),Tf=Symbol("intrinsics");class Ef extends uf{constructor(t,e){super(),this[Tf]=e;const n=t[0],i=null!=n?n.terms:[];this[Sf]=e.basis.map(((t,e)=>{const n=i[e];return null==n?{type:"ident",value:"auto"}:"ident"===n.type?n:uf.evaluatableFor(n,t)}))}get isConstant(){for(const t of this[Sf])if(!uf.isConstant(t))return!1;return!0}[cf](){const t=this[Sf].map((t=>uf.evaluate(t)));return uf.applyIntrinsics(t,this[Tf]).map((t=>t.number))}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var Af,Lf,Rf,Cf;const Pf=Symbol("instances"),If=Symbol("activateListener"),Df=Symbol("deactivateListener"),Nf=Symbol("notifyInstances"),Ff=Symbol("notify"),Of=Symbol("callback");class Uf{constructor(t){this[Of]=t}static[Nf](){for(const t of Uf[Pf])t[Ff]()}static[(Af=Pf,If)](){window.addEventListener("scroll",this[Nf],{passive:!0})}static[Df](){window.removeEventListener("scroll",this[Nf])}observe(){0===Uf[Pf].size&&Uf[If](),Uf[Pf].add(this)}disconnect(){Uf[Pf].delete(this),0===Uf[Pf].size&&Uf[Df]()}[Ff](){this[Of]()}}Uf[Af]=new Set;const kf=Symbol("computeStyleCallback"),zf=Symbol("astWalker"),Bf=Symbol("dependencies"),Hf=Symbol("onScroll");class Vf{constructor(t){this[Lf]={},this[Rf]=new cu(["function"]),this[Cf]=()=>{this[kf]({relatedState:"window-scroll"})},this[kf]=t}observeEffectsFor(t){const e={},n=this[Bf];this[zf].walk(t,(t=>{const{name:i}=t,r=t.arguments[0].terms[0];if("env"===i.value&&null!=r&&"ident"===r.type&&"window-scroll-y"===r.value)if(null==e["window-scroll"]){const t="window-scroll"in n?n["window-scroll"]:new Uf(this[Hf]);t.observe(),delete n["window-scroll"],e["window-scroll"]=t}}));for(const t in n){n[t].disconnect()}this[Bf]=e}dispose(){for(const t in this[Bf]){this[Bf][t].disconnect()}}}Lf=Bf,Rf=zf,Cf=Hf; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const Gf=t=>{const e=t.observeEffects||!1,n=t.intrinsics instanceof Function?t.intrinsics:()=>t.intrinsics;return(i,r)=>{const s=i.updated,a=i.connectedCallback,o=i.disconnectedCallback,l=Symbol(`${r}StyleEffector`),c=Symbol(`${r}StyleEvaluator`),h=Symbol(`${r}UpdateEvaluator`),u=Symbol(`${r}EvaluateAndSync`);Object.defineProperties(i,{[l]:{value:null,writable:!0},[c]:{value:null,writable:!0},[h]:{value:function(){const t=nu(this[r]);this[c]=new Ef(t,n(this)),null==this[l]&&e&&(this[l]=new Vf((()=>this[u]()))),null!=this[l]&&this[l].observeEffectsFor(t)}},[u]:{value:function(){if(null==this[c])return;const e=this[c].evaluate();this[t.updateHandler](e)}},updated:{value:function(t){t.has(r)&&(this[h](),this[u]()),s.call(this,t)}},connectedCallback:{value:function(){a.call(this),this.requestUpdate(r,this[r])}},disconnectedCallback:{value:function(){o.call(this),null!=this[l]&&(this[l].dispose(),this[l]=null)}}})}},Wf=Object.freeze({minimumRadius:0,maximumRadius:1/0,minimumPolarAngle:Math.PI/8,maximumPolarAngle:Math.PI-Math.PI/8,minimumAzimuthalAngle:-1/0,maximumAzimuthalAngle:1/0,minimumFieldOfView:10,maximumFieldOfView:45,interactionPolicy:"always-allow",touchAction:"pan-y"}),jf=Math.PI/8,qf=33,Xf=34,Yf=37,Zf=38,Jf=39,$f=40,Kf="user-interaction",Qf="none"; /* @license * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */class tg extends pt{constructor(t,e){super(),this.camera=t,this.element=e,this.sensitivity=1,this._interactionEnabled=!1,this._disableZoom=!1,this.isUserChange=!1,this.isUserPointing=!1,this.spherical=new nc,this.goalSpherical=new nc,this.thetaDamper=new tu,this.phiDamper=new tu,this.radiusDamper=new tu,this.logFov=Math.log(Wf.maximumFieldOfView),this.goalLogFov=this.logFov,this.fovDamper=new tu,this.touchMode=null,this.lastPointerPosition={clientX:0,clientY:0},this.touchDecided=!1,this.onMouseMove=t=>{this.handleSinglePointerMove(t),t.cancelable&&t.preventDefault()},this.onTouchMove=t=>{null!==this.touchMode&&(this.touchMode(t),null!==this.touchMode&&t.cancelable&&t.preventDefault())},this.touchModeZoom=t=>{const{targetTouches:e}=t;if(this.lastTouches.length>1&&e.length>1){const t=.04*(this.twoTouchDistance(this.lastTouches[0],this.lastTouches[1])-this.twoTouchDistance(e[0],e[1]))/10;this.userAdjustOrbit(0,0,t),this.lastTouches=e}},this.touchModeRotate=t=>{const{targetTouches:e}=t,{touchAction:n}=this._options;if(!this.touchDecided&&"none"!==n){this.touchDecided=!0;const{clientX:t,clientY:i}=e[0],r=Math.abs(t-this.lastPointerPosition.clientX),s=Math.abs(i-this.lastPointerPosition.clientY);if("pan-y"===n&&s>r||"pan-x"===n&&r>s)return void(this.touchMode=null)}this.handleSinglePointerMove(e[0]),this.lastTouches=e},this.onMouseDown=t=>{this.onPointerDown((()=>{self.addEventListener("mousemove",this.onMouseMove),self.addEventListener("mouseup",this.onMouseUp,{once:!0}),this.handleSinglePointerDown(t)}))},this.onTouchStart=t=>{this.onPointerDown((()=>{const{targetTouches:e,changedTouches:n,touches:i}=t;e.length===n.length&&(this.touchMode=null,this.touchDecided=!1),e.length===i.length&&this.onTouchChange(t)}))},this.onMouseUp=t=>{self.removeEventListener("mousemove",this.onMouseMove),this.onPointerUp()},this.onTouchEnd=t=>{t.targetTouches.length>0&&null!==this.touchMode&&this.onTouchChange(t),this.onPointerUp()},this.onWheel=t=>{if(!this.canInteract)return;const e=t.deltaY*(1==t.deltaMode?18:1)*.04/30;this.userAdjustOrbit(0,0,e),t.cancelable&&t.preventDefault()},this.onKeyDown=t=>{let e=!1;switch(t.keyCode){case qf:e=!0,this.userAdjustOrbit(0,0,.04);break;case Xf:e=!0,this.userAdjustOrbit(0,0,-.04);break;case Zf:e=!0,this.userAdjustOrbit(0,-jf,0);break;case $f:e=!0,this.userAdjustOrbit(0,jf,0);break;case Yf:e=!0,this.userAdjustOrbit(-jf,0,0);break;case Jf:e=!0,this.userAdjustOrbit(jf,0,0)}e&&t.cancelable&&t.preventDefault()},this._options=Object.assign({},Wf),this.setOrbit(0,Math.PI/2,1),this.setFieldOfView(100),this.jumpToGoal()}get interactionEnabled(){return this._interactionEnabled}enableInteraction(){if(!1===this._interactionEnabled){const{element:t}=this;t.addEventListener("mousedown",this.onMouseDown),this._disableZoom||t.addEventListener("wheel",this.onWheel),t.addEventListener("keydown",this.onKeyDown),t.addEventListener("touchstart",this.onTouchStart,{passive:!0}),t.addEventListener("touchmove",this.onTouchMove,{passive:!1}),t.addEventListener("touchend",this.onTouchEnd),this.element.style.cursor="grab",this._interactionEnabled=!0,this.updateTouchActionStyle()}}disableInteraction(){if(!0===this._interactionEnabled){const{element:t}=this;self.removeEventListener("mousemove",this.onMouseMove),t.removeEventListener("mousedown",this.onMouseDown),this._disableZoom||t.removeEventListener("wheel",this.onWheel),t.removeEventListener("keydown",this.onKeyDown),t.removeEventListener("touchstart",this.onTouchStart),t.removeEventListener("touchmove",this.onTouchMove),self.removeEventListener("mouseup",this.onMouseUp),t.removeEventListener("touchend",this.onTouchEnd),t.style.cursor="",this.touchMode=null,this._interactionEnabled=!1,this.updateTouchActionStyle()}}get options(){return this._options}set disableZoom(t){this._disableZoom!=t&&(this._disableZoom=t,!0===t?this.element.removeEventListener("wheel",this.onWheel):this.element.addEventListener("wheel",this.onWheel),this.updateTouchActionStyle())}getCameraSpherical(t=new nc){return t.copy(this.spherical)}getFieldOfView(){return this.camera.fov}applyOptions(t){Object.assign(this._options,t),this.setOrbit(),this.setFieldOfView(Math.exp(this.goalLogFov))}updateNearFar(t,e){this.camera.near=Math.max(t,e/1e3),this.camera.far=e,this.camera.updateProjectionMatrix()}updateAspect(t){this.camera.aspect=t,this.camera.updateProjectionMatrix()}setOrbit(t=this.goalSpherical.theta,e=this.goalSpherical.phi,n=this.goalSpherical.radius){const{minimumAzimuthalAngle:i,maximumAzimuthalAngle:r,minimumPolarAngle:s,maximumPolarAngle:a,minimumRadius:o,maximumRadius:l}=this._options,{theta:c,phi:h,radius:u}=this.goalSpherical,d=Jh(t,i,r);isFinite(i)||isFinite(r)||(this.spherical.theta=this.wrapAngle(this.spherical.theta-d)+d);const p=Jh(e,s,a),m=Jh(n,o,l);return(d!==c||p!==h||m!==u)&&(this.goalSpherical.theta=d,this.goalSpherical.phi=p,this.goalSpherical.radius=m,this.goalSpherical.makeSafe(),this.isUserChange=!1,!0)}setRadius(t){this.goalSpherical.radius=t,this.setOrbit()}setFieldOfView(t){const{minimumFieldOfView:e,maximumFieldOfView:n}=this._options;t=Jh(t,e,n),this.goalLogFov=Math.log(t)}setDamperDecayTime(t){this.thetaDamper.setDecayTime(t),this.phiDamper.setDecayTime(t),this.radiusDamper.setDecayTime(t),this.fovDamper.setDecayTime(t)}adjustOrbit(t,e,n){const{theta:i,phi:r,radius:s}=this.goalSpherical,{minimumRadius:a,maximumRadius:o,minimumFieldOfView:l,maximumFieldOfView:c}=this._options,h=this.spherical.theta-i,u=Math.PI-.001,d=i-Jh(t,-u-h,u-h),p=r-e,m=0===n?0:((n>0?o:a)-s)/(Math.log(n>0?c:l)-this.goalLogFov),f=s+n*Math.min(isFinite(m)?m:1/0,o-a);if(this.setOrbit(d,p,f),0!==n){const t=this.goalLogFov+n;this.setFieldOfView(Math.exp(t))}}jumpToGoal(){this.update(0,1e4)}update(t,e){if(this.isStationary())return;const{maximumPolarAngle:n,maximumRadius:i}=this._options,r=this.spherical.theta-this.goalSpherical.theta;Math.abs(r)>Math.PI&&!isFinite(this._options.minimumAzimuthalAngle)&&!isFinite(this._options.maximumAzimuthalAngle)&&(this.spherical.theta-=2*Math.sign(r)*Math.PI),this.spherical.theta=this.thetaDamper.update(this.spherical.theta,this.goalSpherical.theta,e,Math.PI),this.spherical.phi=this.phiDamper.update(this.spherical.phi,this.goalSpherical.phi,e,n),this.spherical.radius=this.radiusDamper.update(this.spherical.radius,this.goalSpherical.radius,e,i),this.logFov=this.fovDamper.update(this.logFov,this.goalLogFov,e,1),this.moveCamera()}updateTouchActionStyle(){const{style:t}=this.element;if(this._interactionEnabled){const{touchAction:e}=this._options;this._disableZoom&&"none"!==e?t.touchAction="manipulation":t.touchAction=e}else t.touchAction=""}isStationary(){return this.goalSpherical.theta===this.spherical.theta&&this.goalSpherical.phi===this.spherical.phi&&this.goalSpherical.radius===this.spherical.radius&&this.goalLogFov===this.logFov}moveCamera(){this.spherical.makeSafe(),this.camera.position.setFromSpherical(this.spherical),this.camera.setRotationFromEuler(new Ae(this.spherical.phi-Math.PI/2,this.spherical.theta,0,"YXZ")),this.camera.fov!==Math.exp(this.logFov)&&(this.camera.fov=Math.exp(this.logFov),this.camera.updateProjectionMatrix());const t=this.isUserChange?Kf:Qf;this.dispatchEvent({type:"change",source:t})}get canInteract(){if("allow-when-focused"==this._options.interactionPolicy){return this.element.getRootNode().activeElement===this.element}return"always-allow"===this._options.interactionPolicy}userAdjustOrbit(t,e,n){this.adjustOrbit(t*this.sensitivity,e*this.sensitivity,n),this.isUserChange=!0,this.dispatchEvent({type:"change",source:Kf})}wrapAngle(t){const e=(t+Math.PI)/(2*Math.PI);return 2*(e-Math.floor(e))*Math.PI-Math.PI}pixelLengthToSphericalAngle(t){return 2*Math.PI*t/this.element.clientHeight}twoTouchDistance(t,e){const{clientX:n,clientY:i}=t,{clientX:r,clientY:s}=e,a=r-n,o=s-i;return Math.sqrt(a*a+o*o)}handleSinglePointerMove(t){const{clientX:e,clientY:n}=t,i=this.pixelLengthToSphericalAngle(e-this.lastPointerPosition.clientX),r=this.pixelLengthToSphericalAngle(n-this.lastPointerPosition.clientY);this.lastPointerPosition.clientX=e,this.lastPointerPosition.clientY=n,!1===this.isUserPointing&&(this.isUserPointing=!0,this.dispatchEvent({type:"pointer-change-start",pointer:Object.assign({},t)})),this.userAdjustOrbit(i,r,0)}onPointerDown(t){this.canInteract&&(this.isUserPointing=!1,t())}onTouchChange(t){const{targetTouches:e}=t;if(2===e.length)this.touchMode=this._disableZoom||this.touchDecided&&null===this.touchMode?null:this.touchModeZoom,this.touchDecided=!0;else this.touchMode=this.touchModeRotate,this.handleSinglePointerDown(e[0]);this.lastTouches=e}handleSinglePointerDown(t){this.lastPointerPosition.clientX=t.clientX,this.lastPointerPosition.clientY=t.clientY,this.element.style.cursor="grabbing"}onPointerUp(){this.element.style.cursor="grab",this.isUserPointing&&this.dispatchEvent({type:"pointer-change-end",pointer:Object.assign({},this.lastPointerPosition)})}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const eg=t=>t<.5?2*t*t:(4-2*t)*t-1,ng=(t,e,n=eg)=>i=>t+(e-t)*n(i),ig=(t,e)=>{const n=[],i=[];let r=t;for(let t=0;t{const n=e.reduce(((t,e)=>t+e),0),i=e.map((t=>t/n));return e=>{let n=0,r=1/0,s=()=>0;for(let a=0;a=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const sg=ig(0,[{frames:5,value:-1},{frames:1,value:-1},{frames:8,value:1},{frames:1,value:1},{frames:5,value:0},{frames:18,value:0}]),ag=ig(0,[{frames:1,value:1},{frames:5,value:1},{frames:1,value:0},{frames:6,value:0}]),og=1.1*yu,lg=["front","right","back","left"],cg=["upper-","","lower-"],hg="auto",ug="when-focused",dg="wiggle",pg="always-allow",mg="pan-y",fg=t=>({basis:[eu(t[Hg]*Math.PI/180,"rad")],keywords:{auto:[null]}}),gg={basis:[uu(eu(25,"deg"))],keywords:{auto:[null]}},vg=t=>{const e=t[dp];return{basis:[uu(eu(45,"deg"))],keywords:{auto:[eu(e.framedFieldOfView,"deg")]}}},yg=(()=>{const t=nu("0deg 75deg 105%")[0].terms,e=pu(t[0]),n=pu(t[1]);return t=>{const i=t[dp].idealCameraDistance;return{basis:[e,n,eu(i,"m")],keywords:{auto:[null,null,eu(105,"%")]}}}})(),xg=t=>{const e=og*t[dp].idealCameraDistance;return{basis:[eu(-1/0,"rad"),eu(Math.PI/8,"rad"),eu(e,"m")],keywords:{auto:[null,null,null]}}},bg=t=>{const e=yg(t),n=new Ef([],e).evaluate()[2];return{basis:[eu(1/0,"rad"),eu(Math.PI-Math.PI/8,"rad"),eu(n,"m")],keywords:{auto:[null,null,null]}}},wg=t=>{const e=t[dp].boundingBox.getCenter(new Bt);return{basis:[eu(e.x,"m"),eu(e.y,"m"),eu(e.z,"m")],keywords:{auto:[null,null,null]}}},_g=Math.PI/2,Mg=Math.PI/3,Sg=_g/2,Tg=2*Math.PI,Eg=Symbol("controls"),Ag=Symbol("promptElement"),Lg=Symbol("promptAnimatedContainer"),Rg=Symbol("deferInteractionPrompt"),Cg=Symbol("updateAria"),Pg=Symbol("updateCameraForRadius"),Ig=Symbol("onBlur"),Dg=Symbol("onFocus"),Ng=Symbol("onChange"),Fg=Symbol("onPointerChange"),Og=Symbol("waitingToPromptUser"),Ug=Symbol("userHasInteracted"),kg=Symbol("promptElementVisibleTime"),zg=Symbol("lastPromptOffset"),Bg=Symbol("focusedTime"),Hg=Symbol("zoomAdjustedFieldOfView"),Vg=Symbol("lastSpherical"),Gg=Symbol("jumpCamera"),Wg=Symbol("initialized"),jg=Symbol("maintainThetaPhi"),qg=Symbol("syncCameraOrbit"),Xg=Symbol("syncFieldOfView"),Yg=Symbol("syncCameraTarget"),Zg=Symbol("syncMinCameraOrbit"),Jg=Symbol("syncMaxCameraOrbit"),$g=Symbol("syncMinFieldOfView"),Kg=Symbol("syncMaxFieldOfView"); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Qg,tv;const ev=Symbol("modelViewerStatusInstance"),nv=Symbol("updateStatus");Qg=ev,tv=nv; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var iv=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const rv="auto",sv="manual",av="auto",ov="eager",lv="interaction",cv=new class extends pt{constructor(){super(),this[Qg]=null,this.registeredInstanceStatuses=new Map,this.loadingPromises=[],this.statusElement=document.createElement("p"),this.statusUpdateInProgress=!1,this[tv]=Zh((()=>this.updateStatus()),100);const{statusElement:t}=this,{style:e}=t;t.setAttribute("role","status"),t.classList.add("screen-reader-only"),e.top=e.left="0",e.pointerEvents="none"}registerInstance(t){if(this.registeredInstanceStatuses.has(t))return;let e=()=>{};const n=!1===t.loaded&&!!t.src,i=new Promise((i=>{if(!n)return void i();const r=()=>{i(),t.removeEventListener("load",r),t.removeEventListener("error",r)};t.addEventListener("load",r),t.addEventListener("error",r),e=r}));this.registeredInstanceStatuses.set(t,{onUnregistered:e}),this.loadingPromises.push(i),null==this.modelViewerStatusInstance&&(this.modelViewerStatusInstance=t)}unregisterInstance(t){if(!this.registeredInstanceStatuses.has(t))return;const e=this.registeredInstanceStatuses,n=e.get(t);e.delete(t),n.onUnregistered(),this.modelViewerStatusInstance===t&&(this.modelViewerStatusInstance=e.size>0?(t=>{if(null!=t.keys)return t.keys().next().value||null;let e=null;try{t.forEach(((t,n,i)=>{throw e=n,new Error}))}catch(t){}return e})(e):null)}get modelViewerStatusInstance(){return this[ev]}set modelViewerStatusInstance(t){if(this[ev]===t)return;const{statusElement:e}=this;null!=t&&null!=t.shadowRoot?t.shadowRoot.appendChild(e):null!=e.parentNode&&e.parentNode.removeChild(e),this[ev]=t,this[nv]()}async updateStatus(){if(!this.statusUpdateInProgress&&0!==this.loadingPromises.length){for(this.statusElement.textContent="This page includes one or more 3D models that are loading",this.statusUpdateInProgress=!0,this.dispatchEvent({type:"initial-status-announced"});this.loadingPromises.length;){const{loadingPromises:t}=this;this.loadingPromises=[],await Promise.all(t)}this.statusElement.textContent="All 3D models in the page have loaded",this.statusUpdateInProgress=!1,this.dispatchEvent({type:"finished-loading-announced"})}}},hv=Symbol("defaultProgressBarElement"),uv=Symbol("defaultProgressMaskElement"),dv=Symbol("posterContainerElement"),pv=Symbol("defaultPosterElement"),mv=Symbol("posterDismissalSource"),fv=Symbol("hidePoster"),gv=Symbol("modelIsRevealed"),vv=Symbol("updateProgressBar"),yv=Symbol("lastReportedProgress"),xv=Symbol("transitioned"),bv=Symbol("onTransitionEnd"),wv=Symbol("ariaLabelCallToAction"),_v=Symbol("onClick"),Mv=Symbol("onKeydown"),Sv=Symbol("onProgress");class Tv{constructor(){this.pluginCallbacks=[],this.register((function(t){return new Qv(t)})),this.register((function(t){return new ty(t)})),this.register((function(t){return new ey(t)})),this.register((function(t){return new ny(t)})),this.register((function(t){return new iy(t)}))}register(t){return-1===this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.push(t),this}unregister(t){return-1!==this.pluginCallbacks.indexOf(t)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(t),1),this}parse(t,e,n){const i=new Kv,r=[];for(let t=0,e=this.pluginCallbacks.length;t0&&(this.options.trs=!0),this.processInput(t);const i=this;Promise.all(this.pending).then((function(){const t=i.buffers,n=i.json,r=i.options,s=i.extensionsUsed,a=new Blob(t,{type:"application/octet-stream"}),o=Object.keys(s);if(o.length>0&&(n.extensionsUsed=o),n.buffers&&n.buffers.length>0&&(n.buffers[0].byteLength=a.size),!0===r.binary){const t=new window.FileReader;t.readAsArrayBuffer(a),t.onloadend=function(){const i=Jv(t.result),r=new DataView(new ArrayBuffer(8));r.setUint32(0,i.byteLength,!0),r.setUint32(4,5130562,!0);const s=Jv(function(t){if(void 0!==window.TextEncoder)return(new TextEncoder).encode(t).buffer;const e=new Uint8Array(new ArrayBuffer(t.length));for(let n=0,i=t.length;n255?32:i}return e.buffer}(JSON.stringify(n)),32),a=new DataView(new ArrayBuffer(8));a.setUint32(0,s.byteLength,!0),a.setUint32(4,1313821514,!0);const o=new ArrayBuffer(12),l=new DataView(o);l.setUint32(0,1179937895,!0),l.setUint32(4,2,!0);const c=12+a.byteLength+s.byteLength+r.byteLength+i.byteLength;l.setUint32(8,c,!0);const h=new Blob([o,a,s,r,i],{type:"application/octet-stream"}),u=new window.FileReader;u.readAsArrayBuffer(h),u.onloadend=function(){e(u.result)}}}else if(n.buffers&&n.buffers.length>0){const t=new window.FileReader;t.readAsDataURL(a),t.onloadend=function(){const i=t.result;n.buffers[0].uri=i,e(n)}}else e(n)}))}serializeUserData(t,e){if(0===Object.keys(t.userData).length)return;const n=this.options,i=this.extensionsUsed;try{const r=JSON.parse(JSON.stringify(t.userData));if(n.includeCustomExtensions&&r.gltfExtensions){void 0===e.extensions&&(e.extensions={});for(const t in r.gltfExtensions)e.extensions[t]=r.gltfExtensions[t],i[t]=!0;delete r.gltfExtensions}Object.keys(r).length>0&&(e.extras=r)}catch(e){console.warn("THREE.GLTFExporter: userData of '"+t.name+"' won't be serialized because of JSON.stringify error - "+e.message)}}getUID(t){return this.uids.has(t)||this.uids.set(t,this.uid++),this.uids.get(t)}isNormalizedNormalAttribute(t){if(this.cache.attributesNormalized.has(t))return!1;const e=new Bt;for(let n=0,i=t.count;n5e-4)return!1;return!0}createNormalizedNormalAttribute(t){const e=this.cache;if(e.attributesNormalized.has(t))return e.attributesNormalized.get(t);const n=t.clone(),i=new Bt;for(let t=0,e=n.count;t4?i=t.array[r*t.itemSize+n]:0===n?i=t.getX(r):1===n?i=t.getY(r):2===n?i=t.getZ(r):3===n&&(i=t.getW(r)),e===Dv?l.setFloat32(c,i,!0):e===Nv?l.setUint32(c,i,!0):e===Iv?l.setUint16(c,i,!0):e===Pv&&l.setUint8(c,i),c+=a}const h={buffer:this.processBuffer(l.buffer),byteOffset:this.byteOffset,byteLength:o};void 0!==r&&(h.target=r),r===Fv&&(h.byteStride=t.itemSize*a),this.byteOffset+=o,s.bufferViews.push(h);return{id:s.bufferViews.length-1,byteLength:0}}processBufferViewImage(t){const e=this,n=e.json;return n.bufferViews||(n.bufferViews=[]),new Promise((function(i){const r=new window.FileReader;r.readAsArrayBuffer(t),r.onloadend=function(){const t=Jv(r.result),s={buffer:e.processBuffer(t),byteOffset:e.byteOffset,byteLength:t.byteLength};e.byteOffset+=t.byteLength,i(n.bufferViews.push(s)-1)}}))}processAccessor(t,e,n,i){const r=this.options,s=this.json;let a;if(t.array.constructor===Float32Array)a=Dv;else if(t.array.constructor===Uint32Array)a=Nv;else if(t.array.constructor===Uint16Array)a=Iv;else{if(t.array.constructor!==Uint8Array)throw new Error("THREE.GLTFExporter: Unsupported bufferAttribute component type.");a=Pv}if(void 0===n&&(n=0),void 0===i&&(i=t.count),r.truncateDrawRange&&void 0!==e&&null===e.index){const r=n+i,s=e.drawRange.count===1/0?t.count:e.drawRange.start+e.drawRange.count;n=Math.max(n,e.drawRange.start),(i=Math.min(r,s)-n)<0&&(i=0)}if(0===i)return null;const o=function(t,e,n){const i={min:new Array(t.itemSize).fill(Number.POSITIVE_INFINITY),max:new Array(t.itemSize).fill(Number.NEGATIVE_INFINITY)};for(let r=e;r4?n=t.array[r*t.itemSize+e]:0===e?n=t.getX(r):1===e?n=t.getY(r):2===e?n=t.getZ(r):3===e&&(n=t.getW(r)),i.min[e]=Math.min(i.min[e],n),i.max[e]=Math.max(i.max[e],n)}return i}(t,n,i);let l;void 0!==e&&(l=t===e.index?Ov:Fv);const c=this.processBufferView(t,a,n,i,l),h={bufferView:c.id,byteOffset:c.byteOffset,componentType:a,count:i,max:o.max,min:o.min,type:{1:"SCALAR",2:"VEC2",3:"VEC3",4:"VEC4",16:"MAT4"}[t.itemSize]};return!0===t.normalized&&(h.normalized=!0),s.accessors||(s.accessors=[]),s.accessors.push(h)-1}processImage(t,e,n){const i=this,r=i.cache,s=i.json,a=i.options,o=i.pending;r.images.has(t)||r.images.set(t,{});const l=r.images.get(t),c=1023===e?"image/png":"image/jpeg",h=c+":flipY/"+n.toString();if(void 0!==l[h])return l[h];s.images||(s.images=[]);const u={mimeType:c};if(a.embedImages){const r=$v=$v||document.createElement("canvas");r.width=Math.min(t.width,a.maxTextureSize),r.height=Math.min(t.height,a.maxTextureSize);const s=r.getContext("2d");if(!0===n&&(s.translate(0,r.height),s.scale(1,-1)),"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof OffscreenCanvas&&t instanceof OffscreenCanvas||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap)s.drawImage(t,0,0,r.width,r.height);else{1023!==e&&1022!==e&&console.error("GLTFExporter: Only RGB and RGBA formats are supported."),(t.width>a.maxTextureSize||t.height>a.maxTextureSize)&&console.warn("GLTFExporter: Image size is bigger than maxTextureSize",t);const n=new Uint8ClampedArray(t.height*t.width*4);if(1023===e)for(let e=0;e1&&(e.multiplyScalar(1/n),console.warn("THREE.GLTFExporter: Some emissive components exceed 1; emissive has been limited")),n>0&&(i.emissiveFactor=e.toArray()),t.emissiveMap){const e={index:this.processTexture(t.emissiveMap)};this.applyTextureTransform(e,t.emissiveMap),i.emissiveTexture=e}}if(t.normalMap){const e={index:this.processTexture(t.normalMap)};t.normalScale&&1!==t.normalScale.x&&(e.scale=t.normalScale.x),this.applyTextureTransform(e,t.normalMap),i.normalTexture=e}if(t.aoMap){const e={index:this.processTexture(t.aoMap),texCoord:1};1!==t.aoMapIntensity&&(e.strength=t.aoMapIntensity),this.applyTextureTransform(e,t.aoMap),i.occlusionTexture=e}t.transparent?i.alphaMode="BLEND":t.alphaTest>0&&(i.alphaMode="MASK",i.alphaCutoff=t.alphaTest),2===t.side&&(i.doubleSided=!0),""!==t.name&&(i.name=t.name),this.serializeUserData(t,i),this._invokeAll((function(e){e.writeMaterial&&e.writeMaterial(t,i)}));const s=n.materials.push(i)-1;return e.materials.set(t,s),s}processMesh(t){const e=this.cache,n=this.json,i=[t.geometry.uuid];if(Array.isArray(t.material))for(let e=0,n=t.material.length;e0){const n=[],i=[],r={};if(void 0!==t.morphTargetDictionary)for(const e in t.morphTargetDictionary)r[t.morphTargetDictionary[e]]=e;for(let a=0;a0&&(o.extras={},o.extras.targetNames=i)}const m=Array.isArray(t.material);if(m&&0===s.groups.length)return null;const f=m?t.material:[t.material],g=m?s.groups:[{materialIndex:0,start:void 0,count:void 0}];for(let t=0,n=g.length;t0&&(n.targets=h),null!==s.index){let i=this.getUID(s.index);void 0===g[t].start&&void 0===g[t].count||(i+=":"+g[t].start+":"+g[t].count),e.attributes.has(i)?n.indices=e.attributes.get(i):(n.indices=this.processAccessor(s.index,s,g[t].start,g[t].count),e.attributes.set(i,n.indices)),null===n.indices&&delete n.indices}const i=this.processMaterial(f[g[t].materialIndex]);null!==i&&(n.material=i),c.push(n)}o.primitives=c,n.meshes||(n.meshes=[]),this._invokeAll((function(e){e.writeMesh&&e.writeMesh(t,o)}));const v=n.meshes.push(o)-1;return e.meshes.set(r,v),v}processCamera(t){const e=this.json;e.cameras||(e.cameras=[]);const n=t.isOrthographicCamera,i={type:n?"orthographic":"perspective"};return n?i.orthographic={xmag:2*t.right,ymag:2*t.top,zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near}:i.perspective={aspectRatio:t.aspect,yfov:Et.degToRad(t.fov),zfar:t.far<=0?.001:t.far,znear:t.near<0?0:t.near},""!==t.name&&(i.name=t.type),e.cameras.push(i)-1}processAnimation(t,e){const n=this.json,i=this.nodeMap;n.animations||(n.animations=[]);const r=(t=Tv.Utils.mergeMorphTargetTracks(t.clone(),e)).tracks,s=[],a=[];for(let t=0;t0){const e=[];for(let i=0,r=t.children.length;i0&&(r.children=e)}this._invokeAll((function(e){e.writeNode&&e.writeNode(t,r)}));const s=e.nodes.push(r)-1;return i.set(t,s),s}processScene(t){const e=this.json,n=this.options;e.scenes||(e.scenes=[],e.scene=0);const i={};""!==t.name&&(i.name=t.name),e.scenes.push(i);const r=[];for(let e=0,i=t.children.length;e0&&(i.nodes=r),this.serializeUserData(t,i)}processObjects(t){const e=new Ys;e.name="AuxScene";for(let n=0;n0&&this.processObjects(n);for(let t=0;t0&&(s.range=t.distance)):t.isSpotLight&&(s.type="spot",t.distance>0&&(s.range=t.distance),s.spot={},s.spot.innerConeAngle=(t.penumbra-1)*t.angle*-1,s.spot.outerConeAngle=t.angle),void 0!==t.decay&&2!==t.decay&&console.warn("THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, and expects light.decay=2."),!t.target||t.target.parent===t&&0===t.target.position.x&&0===t.target.position.y&&-1===t.target.position.z||console.warn("THREE.GLTFExporter: Light direction may be lost. For best results, make light.target a child of the light with position 0,0,-1."),r[this.name]||(i.extensions=i.extensions||{},i.extensions[this.name]={lights:[]},r[this.name]=!0);const a=i.extensions[this.name].lights;a.push(s),e.extensions=e.extensions||{},e.extensions[this.name]={light:a.length-1}}}class ty{constructor(t){this.writer=t,this.name="KHR_materials_unlit"}writeMaterial(t,e){if(!t.isMeshBasicMaterial)return;const n=this.writer.extensionsUsed;e.extensions=e.extensions||{},e.extensions[this.name]={},n[this.name]=!0,e.pbrMetallicRoughness.metallicFactor=0,e.pbrMetallicRoughness.roughnessFactor=.9}}class ey{constructor(t){this.writer=t,this.name="KHR_materials_pbrSpecularGlossiness"}writeMaterial(t,e){if(!t.isGLTFSpecularGlossinessMaterial)return;const n=this.writer,i=n.extensionsUsed,r={};e.pbrMetallicRoughness.baseColorFactor&&(r.diffuseFactor=e.pbrMetallicRoughness.baseColorFactor);const s=[1,1,1];if(t.specular.toArray(s,0),r.specularFactor=s,r.glossinessFactor=t.glossiness,e.pbrMetallicRoughness.baseColorTexture&&(r.diffuseTexture=e.pbrMetallicRoughness.baseColorTexture),t.specularMap){const e={index:n.processTexture(t.specularMap)};n.applyTextureTransform(e,t.specularMap),r.specularGlossinessTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class ny{constructor(t){this.writer=t,this.name="KHR_materials_transmission"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.transmission)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.transmissionFactor=t.transmission,t.transmissionMap){const e={index:n.processTexture(t.transmissionMap)};n.applyTextureTransform(e,t.transmissionMap),r.transmissionTexture=e}e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}class iy{constructor(t){this.writer=t,this.name="KHR_materials_volume"}writeMaterial(t,e){if(!t.isMeshPhysicalMaterial||0===t.thickness)return;const n=this.writer,i=n.extensionsUsed,r={};if(r.thicknessFactor=t.thickness,t.thicknessMap){const e={index:n.processTexture(t.thicknessMap)};n.applyTextureTransform(e,t.thicknessMap),r.thicknessTexture=e}r.attenuationDistance=t.attenuationDistance,r.attenuationColor=t.attenuationTint.toArray(),e.extensions=e.extensions||{},e.extensions[this.name]=r,i[this.name]=!0}}Tv.Utils={insertKeyframe:function(t,e){const n=.001,i=t.getValueSize(),r=new t.TimeBufferType(t.times.length+1),s=new t.ValueBufferType(t.values.length+i),a=t.createInterpolant(new t.ValueBufferType(i));let o;if(0===t.times.length){r[0]=e;for(let t=0;tt.times[t.times.length-1]){if(Math.abs(t.times[t.times.length-1]-e)e){r.set(t.times.slice(0,l+1),0),r[l+1]=e,r.set(t.times.slice(l+1),l+2),s.set(t.values.slice(0,(l+1)*i),0),s.set(a.evaluate(e),(l+1)*i),s.set(t.values.slice((l+1)*i),(l+2)*i),o=l+1;break}}return t.times=r,t.values=s,o},mergeMorphTargetTracks:function(t,e){const n=[],i={},r=t.tracks;for(let t=0;tvoid 0!==t.material&&t.userData&&t.userData.variantMaterials&&!!Array.from(t.userData.variantMaterials.values()).filter((t=>sy(t.material))),sy=t=>t&&t.isMaterial&&!Array.isArray(t);class ay{constructor(t){this.writer=t,this.name="KHR_materials_variants",this.variantNames=[]}beforeParse(t){const e=new Set;for(const n of t)n.traverse((t=>{if(!ry(t))return;const n=t.userData.variantMaterials;for(const t of n.keys()){const i=n.get(t);sy(i.material)&&e.add(t)}}));e.forEach((t=>this.variantNames.push(t)))}writeMesh(t,e){if(!ry(t))return;const n=t.userData,i=n.variantMaterials,r=new Map;for(const t of i.keys()){const e=i.get(t).material;if(!sy(e))continue;const n=this.variantNames.indexOf(t),s=this.writer.processMaterial(e);r.has(s)||r.set(s,{material:s,variants:[]}),r.get(s).variants.push(n)}const s=Array.from(r.values()).map((t=>t.variants.sort(((t,e)=>t-e))&&t)).sort(((t,e)=>t.material-e.material));if(0===s.length)return;const a=sy(n.originalMaterial)?this.writer.processMaterial(n.originalMaterial):-1;for(const t of e.primitives)a>=0&&(t.material=a),t.extensions=t.extensions||{},t.extensions[this.name]={mappings:s}}afterParse(){if(0===this.variantNames.length)return;const t=this.writer.json;t.extensions=t.extensions||{};const e=this.variantNames.map((t=>({name:t})));t.extensions[this.name]={variants:e},this.writer.extensionsUsed[this.name]=!0}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const oy=Symbol("correlatedObjects"),ly=Symbol("sourceObject"),cy=Symbol("onUpdate");class hy{constructor(t,e,n=null){this[cy]=t,this[ly]=e,this[oy]=n}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const uy=new vl,dy=new hn,py=new ci(2,2),my=Symbol("threeTexture");class fy extends hy{get[my](){var t;return console.assert(null!=this[oy]&&this[oy].size>0,"Image correlated object is undefined"),null===(t=this[oy])||void 0===t?void 0:t.values().next().value}constructor(t,e,n){super(t,n=null!=n?n:{name:"adhoc_image",uri:e&&e.image?e.image.src:"adhoc_image"},new Set(e?[e]:[]))}get name(){return this[ly].name||""}get uri(){return this[ly].uri}get bufferView(){return this[ly].bufferView}get type(){return null!=this.uri?"external":"embedded"}async setURI(t){this[ly].uri=t;const e=await new Promise(((e,n)=>{uy.load(t,e,void 0,n)})),n=this[my];n.image=e,n.needsUpdate=!0,this[cy]()}async createThumbnail(t,e){const n=new Ys;dy.map=this[my];const i=new Vn(py,dy);n.add(i);const r=new xi(-1,1,1,-1,0,1),{threeRenderer:s}=Cd.singleton,a=new Ut(t,e);s.setRenderTarget(a),s.render(n,r),s.setRenderTarget(null);const o=new Uint8Array(t*e*4);s.readRenderTargetPixels(a,0,0,t,e,o),Yd.width=t,Yd.height=e;const l=Yd.getContext("2d"),c=l.createImageData(t,e);return c.data.set(o),l.putImageData(c,0,0),new Promise((async(t,e)=>{Yd.toBlob((n=>{if(!n)return e("Failed to capture thumbnail.");t(URL.createObjectURL(n))}),"image/png")}))}}var gy,vy;!function(t){t[t.Nearest=9728]="Nearest",t[t.Linear=9729]="Linear",t[t.NearestMipmapNearest=9984]="NearestMipmapNearest",t[t.LinearMipmapNearest=9985]="LinearMipmapNearest",t[t.NearestMipmapLinear=9986]="NearestMipmapLinear",t[t.LinearMipmapLinear=9987]="LinearMipmapLinear"}(gy||(gy={})),function(t){t[t.ClampToEdge=33071]="ClampToEdge",t[t.MirroredRepeat=33648]="MirroredRepeat",t[t.Repeat=10497]="Repeat"}(vy||(vy={})); /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const yy=(()=>{const t=[gy.Nearest,gy.Linear,gy.NearestMipmapNearest,gy.LinearMipmapLinear,gy.NearestMipmapLinear,gy.LinearMipmapLinear];return e=>t.indexOf(e)>-1})(),xy=(()=>{const t=[gy.Nearest,gy.Linear];return e=>t.indexOf(e)>-1})(),by=(()=>{const t=[vy.ClampToEdge,vy.MirroredRepeat,vy.Repeat];return e=>t.indexOf(e)>-1})(),wy=Symbol("threeTextures"),_y=Symbol("setProperty"),My=Symbol("sourceSampler");class Sy extends hy{get[wy](){return console.assert(null!=this[oy]&&this[oy].size>0,"Sampler correlated object is undefined"),this[oy]}get[My](){return console.assert(null!=this[ly],"Sampler source is undefined"),this[ly]}constructor(t,e,n){null==(n=null!=n?n:{}).minFilter&&(n.minFilter=e?e.minFilter:gy.LinearMipmapLinear),null==n.magFilter&&(n.magFilter=e?e.magFilter:gy.Linear),null==n.wrapS&&(n.wrapS=e?e.wrapS:vy.Repeat),null==n.wrapT&&(n.wrapT=e?e.wrapT:vy.Repeat),super(t,n,new Set(e?[e]:[]))}get name(){return this[ly].name||""}get minFilter(){return this[My].minFilter}get magFilter(){return this[My].magFilter}get wrapS(){return this[My].wrapS}get wrapT(){return this[My].wrapT}setMinFilter(t){this[_y]("minFilter",t)}setMagFilter(t){this[_y]("magFilter",t)}setWrapS(t){this[_y]("wrapS",t)}setWrapT(t){this[_y]("wrapT",t)}[_y](t,e){const n=this[My];if(null!=n){if(((t,e)=>{switch(t){case"minFilter":return yy(e);case"magFilter":return xy(e);case"wrapS":case"wrapT":return by(e);default:throw new Error(`Cannot configure property "${t}" on Sampler`)}})(t,e)){n[t]=e;for(const n of this[wy])n[t]=e,n.needsUpdate=!0}this[cy]()}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Ty=Symbol("image"),Ey=Symbol("sampler");class Ay extends hy{constructor(t,e,n=null,i=null,r=null){super(t,n||{},new Set(e?[e]:[])),this[Ey]=new Sy(t,e,i),this[Ty]=new fy(t,e,r)}get name(){return this[ly].name||""}get sampler(){return this[Ey]}get source(){return this[Ty]}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var Ly;const Ry=Symbol("texture"),Cy=Symbol("materials"),Py=Symbol("usage");var Iy;!function(t){t[t.Base=0]="Base",t[t.MetallicRoughness=1]="MetallicRoughness",t[t.Normal=2]="Normal",t[t.Occlusion=3]="Occlusion",t[t.Emissive=4]="Emissive"}(Iy||(Iy={}));class Dy{constructor(t,e,n,i,r,s){if(this[Ly]=null,s){const e=r.textures?r.textures[s.index]:null,i=e&&r.samplers?r.samplers[e.sampler]:null,a=e&&r.images?r.images[e.source]:null;this[Ry]=new Ay(t,n,e,i,a)}this.onUpdate=t,this[Cy]=i,this[Py]=e}get texture(){return this[Ry]}setTexture(t){const e=null!=t?t.source[my]:null;let n=3001;if(this[Ry]=t,this[Cy])for(const t of this[Cy]){switch(this[Py]){case Iy.Base:t.map=e;break;case Iy.MetallicRoughness:n=3e3,t.metalnessMap=e,t.roughnessMap=e;break;case Iy.Normal:n=3e3,t.normalMap=e;break;case Iy.Occlusion:n=3e3,t.aoMap=e;break;case Iy.Emissive:t.emissiveMap=e}t.needsUpdate=!0}e&&(e.encoding=n),this.onUpdate()}}Ly=Ry; /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const Ny=Symbol("threeMaterials"),Fy=Symbol("baseColorTexture"),Oy=Symbol("metallicRoughnessTexture");class Uy extends hy{constructor(t,e,n,i){super(t,n,i),null==n.baseColorFactor&&(n.baseColorFactor=[1,1,1,1]),null==n.roughnessFactor&&(n.roughnessFactor=1),null==n.metallicFactor&&(n.metallicFactor=1);const{baseColorTexture:r,metallicRoughnessTexture:s}=n,{map:a,metalnessMap:o}=i.values().next().value;this[Fy]=new Dy(t,Iy.Base,a,i,e,r||null),this[Oy]=new Dy(t,Iy.MetallicRoughness,o,i,e,s||null)}get[Ny](){return this[oy]}get baseColorFactor(){return this[ly].baseColorFactor}get metallicFactor(){return this[ly].metallicFactor}get roughnessFactor(){return this[ly].roughnessFactor}get baseColorTexture(){return this[Fy]}get metallicRoughnessTexture(){return this[Oy]}setBaseColorFactor(t){for(const e of this[Ny])e.color.fromArray(t),e.opacity=t[3];this[ly].baseColorFactor=t,this[cy]()}setMetallicFactor(t){for(const e of this[Ny])e.metalness=t;this[ly].metallicFactor=t,this[cy]()}setRoughnessFactor(t){for(const e of this[Ny])e.roughness=t;this[ly].roughnessFactor=t,this[cy]()}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const ky=Symbol("pbrMetallicRoughness"),zy=Symbol("normalTexture"),By=Symbol("occlusionTexture"),Hy=Symbol("emissiveTexture"),Vy=Symbol("backingThreeMaterial"),Gy=Symbol("applyAlphaCutoff"),Wy=Symbol("lazyLoadGLTFInfo"),jy=Symbol("initialize"),qy=Symbol("getLoadedMaterial"),Xy=Symbol("ensureMaterialIsLoaded");class Yy extends hy{constructor(t,e,n,i,r){super(t,n,i),null==r?this[jy](e):this[Wy]=r}get[Vy](){return this[oy].values().next().value}[jy](t){const e=this[cy],n=this[ly],i=this[oy];n.extensions&&n.extensions.KHR_materials_pbrSpecularGlossiness&&console.warn(`Material ${n.name} uses a deprecated extension\n "KHR_materials_pbrSpecularGlossiness", please use\n "pbrMetallicRoughness" instead. Specular Glossiness materials are\n currently supported for rendering, but not for our scene-graph API,\n nor for auto-generation of USDZ for Quick Look.`),null==n.pbrMetallicRoughness&&(n.pbrMetallicRoughness={}),this[ky]=new Uy(e,t,n.pbrMetallicRoughness,i),null==n.emissiveFactor&&(n.emissiveFactor=[0,0,0]),null==n.doubleSided&&(n.doubleSided=!1),null==n.alphaMode&&(n.alphaMode="OPAQUE"),null==n.alphaCutoff&&(n.alphaCutoff=.5);const{normalTexture:r,occlusionTexture:s,emissiveTexture:a}=n,{normalMap:o,aoMap:l,emissiveMap:c}=i.values().next().value;this[zy]=new Dy(e,Iy.Normal,o,i,t,r||null),this[By]=new Dy(e,Iy.Occlusion,l,i,t,s||null),this[Hy]=new Dy(e,Iy.Emissive,c,i,t,a||null)}async[qy](){if(null!=this[Wy]){const{set:t,material:e}=await this[Wy].doLazyLoad();return this[oy]=t,this[jy](this[Wy].gltf),this[Wy]=void 0,this.ensureLoaded=async()=>{},e}return this[oy].values().next().value}[Xy](){if(null!=this[Wy])throw new Error(`Material "${this.name}" has not been loaded, call 'await\n myMaterial.ensureLoaded()' before using an unloaded material.`)}async ensureLoaded(){await this[qy]()}get isLoaded(){return null==this[Wy]}get name(){return this[ly].name||""}get pbrMetallicRoughness(){return this[Xy](),this[ky]}get normalTexture(){return this[Xy](),this[zy]}get occlusionTexture(){return this[Xy](),this[By]}get emissiveTexture(){return this[Xy](),this[Hy]}get emissiveFactor(){return this[Xy](),this[ly].emissiveFactor}setEmissiveFactor(t){this[Xy]();for(const e of this[oy])e.emissive.fromArray(t);this[ly].emissiveFactor=t,this[cy]()}[Gy](){this[Xy]();const t=this[ly];for(const e of this[oy])e.alphaTest=t.alphaCutoff,e.needsUpdate=!0}setAlphaCutoff(t){this[Xy](),this[ly].alphaCutoff=t,this[Gy](),this[cy]()}getAlphaCutoff(){return this[Xy](),this[ly].alphaCutoff}setDoubleSided(t){this[Xy]();for(const e of this[oy])e.side=t?2:0,e.needsUpdate=!0;this[ly].doubleSided=t,this[cy]()}getDoubleSided(){return this[Xy](),this[ly].doubleSided}setAlphaMode(t){this[Xy]();const e=(t,e)=>{t.transparent=e,t.depthWrite=!e};this[ly].alphaMode=t;for(const n of this[oy])e(n,"OPAQUE"!==t),this[Gy](),n.needsUpdate=!0;this[cy]()}getAlphaMode(){return this[Xy](),this[ly].alphaMode}}var Zy,Jy;const $y=Symbol("materials"),Ky=Symbol("variantInfo"),Qy=Symbol("mesh"),tx=Symbol("children"),ex=Symbol("initialMaterialIdx"),nx=Symbol("activeMaterialIdx");class ix{constructor(t){this.name="",this[Zy]=new Array,this.name=t}}Zy=tx;class rx extends ix{constructor(t,e,n){super(t.name),this[Jy]=new Map,this[Qy]=t;const{gltf:i,threeGLTF:r,threeObjectMap:s}=n,a=s.get(t.material);null!=a.materials?this[ex]=this[nx]=a.materials:console.error(`Primitive (${t.name}) missing initial material reference.`);const o=s.get(t).meshes,l=(i.meshes||[])[o].primitives||[];for(const t of l){if(null!=t.material)this[$y].set(t.material,e[t.material]);else{const t=e.findIndex((t=>"Default"===t.name));t>=0?this[$y].set(t,e[t]):console.warn("Primitive has no material!")}if(t.extensions&&t.extensions.KHR_materials_variants){const n=t.extensions.KHR_materials_variants,i=r.parser.json.extensions.KHR_materials_variants.variants;this[Ky]=new Map;for(const t of n.mappings){this[$y].set(t.material,e[t.material]);for(const n of t.variants){const{name:r}=i[n];this[Ky].set(r,{material:e[t.material],index:t.material})}}}}}get mesh(){return this[Qy]}async setActiveMaterial(t){const e=this[$y].get(t);return null!=e&&(this.mesh.material=await e[qy](),this[nx]=t),this.mesh.material}getActiveMaterial(){return this[$y].get(this[nx])}async enableVariant(t){if(null==t)return this.setActiveMaterial(this[ex]);if(null!=this[Ky]){const e=this[Ky].get(t);if(null!=e)return this.setActiveMaterial(e.index)}return null}async instantiateVariants(){if(null!=this[Ky])for(const t of this[Ky].keys()){if(null!=this.mesh.userData.variantMaterials.get(t).material)continue;const e=await this.enableVariant(t);null!=e&&(this.mesh.userData.variantMaterials.get(t).material=e)}}get variantInfo(){return this[Ky]}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var sx,ax,ox,lx;Jy=$y;const cx=Symbol("materials"),hx=Symbol("hierarchy"),ux=Symbol("roots"),dx=Symbol("primitives"),px=Symbol("prepareVariantsForExport"),mx=Symbol("switchVariant"),fx=Symbol("threeScene"),gx=Symbol("materialsFromPoint"),vx=Symbol("materialFromPoint");class yx{constructor(t,e,n,i){this.gltf=t,this.gltfElementMap=e,this.mapKey=n,this.doLazyLoad=i}}class xx{constructor(t,e=(()=>{})){this[sx]=new Array,this[ax]=new Array,this[ox]=new Array,this[lx]=new Array;const{gltf:n,threeGLTF:i,gltfElementMap:r}=t;this[fx]=i.scene;for(const[t,s]of n.materials.entries()){const a=r.get(s);if(null!=a)this[cx].push(new Yy(e,n,s,a));else{const s=(n.materials||[])[t],o=t,l=async()=>{const t=await i.parser.getDependency("material",o),e=new Set;return r.set(s,e),e.add(t),{set:e,material:t}};this[cx].push(new Yy(e,n,s,a,new yx(n,r,s,l)))}}const s=new Map,a=new Array;for(const t of i.scene.children)a.push(t);for(;a.length>0;){const e=a.pop();let n=null;e instanceof Vn?(n=new rx(e,this.materials,t),this[dx].push(n)):n=new ix(e.name);const i=s.get(e);null!=i?i[tx].push(n):this[ux].push(n),this[hx].push(n);for(const t of e.children)a.push(t),s.set(e,n)}}get materials(){return this[cx]}getMaterialByName(t){const e=this[cx].filter((e=>e.name===t));return e.length>0?e[0]:null}[(sx=cx,ax=hx,ox=ux,lx=dx,gx)](t){return t.intersectObject(this[fx],!0).map((t=>{const e=this[hx].find((e=>{if(e instanceof rx){if(e.mesh===t.object)return!0}return!1}));return null!=e?e.getActiveMaterial():null}))}[vx](t){const e=this[gx](t);return e.length>0?e[0]:null}async[mx](t){const e=new Array;for(const n of this[dx])e.push(n.enableVariant(t));await Promise.all(e)}async[px](){const t=new Array;for(const e of this[dx])t.push(e.instantiateVariants());await Promise.all(t)}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var bx=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const wx=Symbol("currentGLTF"),_x=Symbol("model"),Mx=Symbol("variants"),Sx=Symbol("getOnUpdateMethod"),Tx=Symbol("textureLoader"),Ex=Symbol("originalGltfJson"); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Ax=function(t,e,n,i){for(var r,s=arguments.length,a=s<3?e:null===i?i=Object.getOwnPropertyDescriptor(e,n):i,o=t.length-1;o>=0;o--)(r=t[o])&&(a=(s<3?r(a):s>3?r(e,n,a):r(e,n))||a);return s>3&&a&&Object.defineProperty(e,n,a),a};const Lx=Math.PI/32,Rx={basis:[uu(eu(Lx,"rad"))],keywords:{auto:[null]}},Cx=Symbol("autoRotateStartTime"),Px=Symbol("radiansPerSecond"),Ix=Symbol("syncRotationRate"),Dx=Symbol("onCameraChange"),Nx=(t=>{var e,n,i;class r extends t{constructor(){super(...arguments),this[e]=new Map,this[n]=t=>{t.forEach((t=>{t instanceof MutationRecord&&"childList"!==t.type||(t.addedNodes.forEach((t=>{this[Ip](t)})),t.removedNodes.forEach((t=>{this[Dp](t)})),this[pp]())}))},this[i]=new MutationObserver(this[Cp])}connectedCallback(){super.connectedCallback();for(let t=0;t{var e,n,i,r,s;class a extends t{constructor(){super(...arguments),this[e]=void 0,this[n]=null,this[i]=[],this[r]=new bl,this[s]=null,this.variantName=null,this.orientation="0 0 0",this.scale="1 1 1"}get model(){return this[_x]}get availableVariants(){return this[Mx]}get originalGltfJson(){return this[Ex]}[(e=_x,n=wx,i=Mx,r=Tx,s=Ex,Sx)](){return()=>{this[pp]()}}async createTexture(t,e="image/png"){const n=this[wx],i=await new Promise((e=>this[Tx].load(t,e)));return n&&i?(i.encoding=3001,i.wrapS=1e3,i.wrapT=1e3,i.flipY=!1,"image/jpeg"===e&&(i.format=1022),new Ay(this[Sx](),i)):null}async updated(t){if(super.updated(t),t.has("variantName")){const t=this[wx],{variantName:e}=this;null!=t&&(await this[_x][mx](e),this[pp](),this.dispatchEvent(new CustomEvent("variant-applied")))}if(t.has("orientation")||t.has("scale")){const{modelContainer:t}=this[dp],e=nu(this.orientation)[0].terms,n=pu(e[0]).number,i=pu(e[1]).number,r=pu(e[2]).number;t.quaternion.setFromEuler(new Ae(i,r,n,"YXZ"));const s=nu(this.scale)[0].terms;t.scale.set(s[0].number,s[1].number,s[2].number),this[dp].updateBoundingBox(),this[dp].updateShadow(),this[vp].arRenderer.onUpdateScene(),this[pp]()}}[fp](){super[fp](),this[Mx]=[];const{currentGLTF:t}=this[dp];if(null!=t){const{correlatedSceneGraph:e}=t;null!=e&&t!==this[wx]&&(this[_x]=new xx(e,this[Sx]()),this[Ex]=JSON.parse(JSON.stringify(e.gltf))),"variants"in t.userData&&(this[Mx]=t.userData.variants.slice(),this.requestUpdate("variantName"))}this[wx]=t,this.dispatchEvent(new CustomEvent("scene-graph-ready"))}async exportScene(t){const e=this[dp];return new Promise((async n=>{const i={binary:!0,onlyVisible:!0,maxTextureSize:1/0,forcePowerOfTwoTextures:!1,includeCustomExtensions:!1,embedImages:!0};Object.assign(i,t),i.animations=e.animations,i.truncateDrawRange=!0;const r=e.shadow;let s=!1;null!=r&&(s=r.visible,r.visible=!1),await this[_x][px]();(new Tv).register((t=>new ay(t))).parse(e.modelContainer.children[0],(t=>n(new Blob([i.binary?t:JSON.stringify(t)],{type:i.binary?"application/octet-stream":"application/json"}))),i),null!=r&&(r.visible=s)}))}materialFromPoint(t,e){const n=this[dp],i=n.getNDC(t,e);return n.raycaster.setFromCamera(i,n.getCamera()),this[_x][vx](n.raycaster)}}return bx([Z({type:String,attribute:"variant-name"})],a.prototype,"variantName",void 0),bx([Z({type:String,attribute:"orientation"})],a.prototype,"orientation",void 0),bx([Z({type:String,attribute:"scale"})],a.prototype,"scale",void 0),a})((t=>{var e,n,i;class r extends t{constructor(){super(...arguments),this.autoRotate=!1,this.autoRotateDelay=3e3,this.rotationPerSecond="auto",this[e]=performance.now(),this[n]=0,this[i]=t=>{this.autoRotate&&"user-interaction"===t.detail.source&&(this[Cx]=performance.now())}}connectedCallback(){super.connectedCallback(),this.addEventListener("camera-change",this[Dx]),this[Cx]=performance.now()}disconnectedCallback(){super.disconnectedCallback(),this.removeEventListener("camera-change",this[Dx]),this[Cx]=performance.now()}updated(t){super.updated(t),t.has("autoRotate")&&(this[Cx]=performance.now())}[(e=Cx,n=Px,Ix)](t){this[Px]=t[0]}[mp](t,e){if(super[mp](t,e),!this.autoRotate||!this[Mp]()||this[vp].isPresenting)return;const n=Math.min(e,t-this[Cx]-this.autoRotateDelay);n>0&&(this[dp].yaw=this.turntableRotation+this[Px]*n*.001)}get turntableRotation(){return this[dp].yaw}resetTurntableRotation(t=0){this[dp].yaw=t}}return i=Dx,Ax([Z({type:Boolean,attribute:"auto-rotate"})],r.prototype,"autoRotate",void 0),Ax([Z({type:Number,attribute:"auto-rotate-delay"})],r.prototype,"autoRotateDelay",void 0),Ax([Gf({intrinsics:Rx,updateHandler:Ix}),Z({type:String,attribute:"rotation-per-second"})],r.prototype,"rotationPerSecond",void 0),r})((t=>{var e,n,i;class r extends t{constructor(){super(...arguments),this.environmentImage=null,this.skyboxImage=null,this.shadowIntensity=0,this.shadowSoftness=1,this.exposure=1,this[e]=null,this[n]=null,this[i]=t=>{t.element===this&&this[Ou]()}}connectedCallback(){super.connectedCallback(),this[vp].loader.addEventListener("preload",this[ku])}disconnectedCallback(){super.disconnectedCallback(),this[vp].loader.removeEventListener("preload",this[ku])}updated(t){super.updated(t),t.has("shadowIntensity")&&(this[dp].setShadowIntensity(.1*this.shadowIntensity),this[pp]()),t.has("shadowSoftness")&&(this[dp].setShadowSoftness(this.shadowSoftness),this[pp]()),t.has("exposure")&&(this[dp].exposure=this.exposure,this[pp]()),(t.has("environmentImage")||t.has("skyboxImage"))&&this[wp]()&&this[Ou]()}[(e=Nu,n=Uu,i=ku,fp)](){super[fp](),null!=this[Nu]&&this[Fu](this[Nu])}async[Ou](){const{skyboxImage:t,environmentImage:e}=this;null!=this[Uu]&&(this[Uu](),this[Uu]=null);const{textureUtils:n}=this[vp];if(null!=n)try{const{environmentMap:i,skybox:r}=await new Promise((async(i,r)=>{const s=n.generateEnvironmentMapAndSkybox(qh(t),e,{progressTracker:this[yp]});this[Uu]=()=>r(s),i(await s)}));this[dp].background=null!=r?r.name===i.name?i:r:null,this[Fu](i),this[dp].dispatchEvent({type:"envmap-update"})}catch(t){if(t instanceof Error)throw this[Fu](null),t}}[Fu](t){this[dp].environment!==t&&(this[Nu]=t,this[dp].environment=this[Nu],this.dispatchEvent(new CustomEvent("environment-change")),this[pp]())}}return Du([Z({type:String,attribute:"environment-image"})],r.prototype,"environmentImage",void 0),Du([Z({type:String,attribute:"skybox-image"})],r.prototype,"skyboxImage",void 0),Du([Z({type:Number,attribute:"shadow-intensity"})],r.prototype,"shadowIntensity",void 0),Du([Z({type:Number,attribute:"shadow-softness"})],r.prototype,"shadowSoftness",void 0),Du([Z({type:Number})],r.prototype,"exposure",void 0),r})((t=>{var e,n,i,r,s,a,o,l,c,h,u,d,p,m,f,g,v;class y extends t{constructor(){super(...arguments),this.cameraControls=!1,this.cameraOrbit="0deg 75deg 105%",this.cameraTarget="auto auto auto",this.fieldOfView="auto",this.minCameraOrbit="auto",this.maxCameraOrbit="auto",this.minFieldOfView="auto",this.maxFieldOfView="auto",this.interactionPromptThreshold=3e3,this.interactionPromptStyle=dg,this.interactionPrompt=hg,this.interactionPolicy=pg,this.orbitSensitivity=1,this.touchAction=mg,this.disableZoom=!1,this.interpolationDecay=50,this.bounds="legacy",this[e]=this.shadowRoot.querySelector(".interaction-prompt"),this[n]=this.shadowRoot.querySelector(".interaction-prompt > .animated-container"),this[i]=1/0,this[r]=0,this[s]=1/0,this[a]=!1,this[o]=!1,this[l]=new tg(this[dp].camera,this[hp]),this[c]=0,this[h]=new nc,this[u]=!1,this[d]=!1,this[p]=!1,this[m]=()=>{const t=this[hp];isFinite(this[Bg])||(this[Bg]=performance.now());const e=this[sp];t.getAttribute("aria-label")!==e&&t.setAttribute("aria-label",e),this.interactionPrompt!==ug||this[Ug]||(this[Og]=!0)},this[f]=()=>{this.interactionPrompt===ug&&(this[Og]=!1,this[Ag].classList.remove("visible"),this[kg]=1/0,this[Bg]=1/0)},this[g]=({source:t})=>{this[Cg](),this[pp](),t===Kf&&(this[Ug]=!0,this[Rg]()),this.dispatchEvent(new CustomEvent("camera-change",{detail:{source:t}}))},this[v]=t=>{"pointer-change-start"===t.type?this[cp].classList.add("pointer-tumbling"):this[cp].classList.remove("pointer-tumbling")}}getCameraOrbit(){const{theta:t,phi:e,radius:n}=this[Vg];return{theta:t,phi:e,radius:n,toString(){return`${this.theta}rad ${this.phi}rad ${this.radius}m`}}}getCameraTarget(){return Sp(this[vp].isPresenting?this[vp].arRenderer.target:this[dp].getTarget())}getFieldOfView(){return this[Eg].getFieldOfView()}getMinimumFieldOfView(){return this[Eg].options.minimumFieldOfView}getMaximumFieldOfView(){return this[Eg].options.maximumFieldOfView}jumpCameraToGoal(){this[Gg]=!0,this.requestUpdate(Gg,!1)}resetInteractionPrompt(){this[zg]=0,this[kg]=1/0,this[Ug]=!1,this[Og]=this.interactionPrompt===hg&&this.cameraControls}connectedCallback(){super.connectedCallback(),this[Eg].addEventListener("change",this[Ng]),this[Eg].addEventListener("pointer-change-start",this[Fg]),this[Eg].addEventListener("pointer-change-end",this[Fg])}disconnectedCallback(){super.disconnectedCallback(),this[Eg].removeEventListener("change",this[Ng]),this[Eg].removeEventListener("pointer-change-start",this[Fg]),this[Eg].removeEventListener("pointer-change-end",this[Fg])}updated(t){super.updated(t);const e=this[Eg],n=this[hp];if(t.has("cameraControls")&&(this.cameraControls?(e.enableInteraction(),this.interactionPrompt===hg&&(this[Og]=!0),n.addEventListener("focus",this[Dg]),n.addEventListener("blur",this[Ig])):(n.removeEventListener("focus",this[Dg]),n.removeEventListener("blur",this[Ig]),e.disableInteraction(),this[Rg]())),t.has("disableZoom")&&(e.disableZoom=this.disableZoom),t.has("bounds")&&(this[dp].tightBounds="tight"===this.bounds),(t.has("interactionPrompt")||t.has("cameraControls")||t.has("src"))&&(this.interactionPrompt===hg&&this.cameraControls&&!this[Ug]?this[Og]=!0:this[Rg]()),t.has("interactionPromptStyle")&&this[Ag].classList.toggle("wiggle",this.interactionPromptStyle===dg),t.has("interactionPolicy")){const t=this.interactionPolicy;e.applyOptions({interactionPolicy:t})}if(t.has("touchAction")){const t=this.touchAction;e.applyOptions({touchAction:t}),e.updateTouchActionStyle()}t.has("orbitSensitivity")&&(e.sensitivity=this.orbitSensitivity),t.has("interpolationDecay")&&(e.setDamperDecayTime(this.interpolationDecay),this[dp].setTargetDamperDecayTime(this.interpolationDecay)),!0===this[Gg]&&Promise.resolve().then((()=>{e.jumpToGoal(),this[dp].jumpToGoal(),this[Gg]=!1}))}async updateFraming(){const t=this[dp],e=t.framedFieldOfView;await this.requestUpdate("cameraTarget"),t.updateFraming("tight"===this.bounds?t.getTarget():void 0),t.frameModel();const n=t.framedFieldOfView,i=this[Eg].getFieldOfView()/e;this[Hg]=n*i,this[jg]=!0,this.requestUpdate("maxFieldOfView"),this.requestUpdate("fieldOfView"),this.requestUpdate("minCameraOrbit"),this.requestUpdate("maxCameraOrbit"),await this.requestUpdate("cameraOrbit")}[(e=Ag,n=Lg,i=Bg,r=zg,s=kg,a=Ug,o=Og,l=Eg,c=Hg,h=Vg,u=Gg,d=Wg,p=jg,Xg)](t){this[Eg].setFieldOfView(180*t[0]/Math.PI)}[qg](t){if(this[jg]){const{theta:e,phi:n}=this.getCameraOrbit();t[0]=e,t[1]=n,this[jg]=!1}this[Eg].setOrbit(t[0],t[1],t[2])}[Zg](t){this[Eg].applyOptions({minimumAzimuthalAngle:t[0],minimumPolarAngle:t[1],minimumRadius:t[2]}),this.jumpCameraToGoal()}[Jg](t){this[Eg].applyOptions({maximumAzimuthalAngle:t[0],maximumPolarAngle:t[1],maximumRadius:t[2]}),this[Pg](t[2]),this.jumpCameraToGoal()}[$g](t){this[Eg].applyOptions({minimumFieldOfView:180*t[0]/Math.PI}),this.jumpCameraToGoal()}[Kg](t){this[Eg].applyOptions({maximumFieldOfView:180*t[0]/Math.PI}),this.jumpCameraToGoal()}[Yg](t){const[e,n,i]=t;this[dp].setTarget(e,n,i),this[vp].arRenderer.updateTarget()}[mp](t,e){if(super[mp](t,e),this[vp].isPresenting||!this[Mp]())return;const n=performance.now();if(this[Og]){const t=this.interactionPrompt===hg?this[ap]:this[Bg];this.loaded&&n>t+this.interactionPromptThreshold&&(this[hp].setAttribute("aria-label","Use mouse, touch or arrow keys to control the camera!"),this[Og]=!1,this[kg]=n,this[Ag].classList.add("visible"))}if(isFinite(this[kg])&&this.interactionPromptStyle===dg){const t=this[dp],e=(n-this[kg])/5e3%1,i=sg(e),r=ag(e);if(this[Lg].style.opacity=`${r}`,i!==this[zg]){const e=i*t.width*.05,n=(i-this[zg])*Math.PI/16;this[Lg].style.transform=`translateX(${e}px)`,this[Eg].adjustOrbit(n,0,0),this[zg]=i}}this[Eg].update(t,e),this[dp].updateTarget(e)}[Rg](){this[Og]=!1,this[Ag].classList.remove("visible"),this[kg]=1/0}[Pg](t){const{idealCameraDistance:e}=this[dp],n=2*Math.max(e,t);this[Eg].updateNearFar(0,n)}[Cg](){const{theta:t,phi:e}=this[Vg],{theta:n,phi:i}=this[Eg].getCameraSpherical(this[Vg]),r=this.getRootNode();if(null!=r&&r.activeElement===this){const r=(4+Math.floor((t%Tg+Sg)/_g))%4,s=(4+Math.floor((n%Tg+Sg)/_g))%4,a=Math.floor(e/Mg),o=Math.floor(i/Mg);if(s!==r||o!==a){const t=`View from stage ${cg[o]}${lg[s]}`;this[hp].setAttribute("aria-label",t)}}}[gp](t){const e=this[Eg],n=this[dp].framedFieldOfView;super[gp](t);const i=this[dp].framedFieldOfView,r=e.getFieldOfView()/n;this[Hg]=i*r,e.updateAspect(this[dp].aspect),this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.jumpCameraToGoal()}[fp](){super[fp]();const{framedFieldOfView:t}=this[dp];this[Hg]=t,this[Wg]?this[jg]=!0:this[Wg]=!0,this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.requestUpdate("minCameraOrbit",this.minCameraOrbit),this.requestUpdate("maxCameraOrbit",this.maxCameraOrbit),this.requestUpdate("cameraOrbit",this.cameraOrbit),this.requestUpdate("cameraTarget",this.cameraTarget),this.jumpCameraToGoal()}}return m=Dg,f=Ig,g=Ng,v=Fg,rg([Z({type:Boolean,attribute:"camera-controls"})],y.prototype,"cameraControls",void 0),rg([Gf({intrinsics:yg,observeEffects:!0,updateHandler:qg}),Z({type:String,attribute:"camera-orbit",hasChanged:()=>!0})],y.prototype,"cameraOrbit",void 0),rg([Gf({intrinsics:wg,observeEffects:!0,updateHandler:Yg}),Z({type:String,attribute:"camera-target",hasChanged:()=>!0})],y.prototype,"cameraTarget",void 0),rg([Gf({intrinsics:fg,observeEffects:!0,updateHandler:Xg}),Z({type:String,attribute:"field-of-view",hasChanged:()=>!0})],y.prototype,"fieldOfView",void 0),rg([Gf({intrinsics:xg,updateHandler:Zg}),Z({type:String,attribute:"min-camera-orbit",hasChanged:()=>!0})],y.prototype,"minCameraOrbit",void 0),rg([Gf({intrinsics:bg,updateHandler:Jg}),Z({type:String,attribute:"max-camera-orbit",hasChanged:()=>!0})],y.prototype,"maxCameraOrbit",void 0),rg([Gf({intrinsics:gg,updateHandler:$g}),Z({type:String,attribute:"min-field-of-view",hasChanged:()=>!0})],y.prototype,"minFieldOfView",void 0),rg([Gf({intrinsics:vg,updateHandler:Kg}),Z({type:String,attribute:"max-field-of-view",hasChanged:()=>!0})],y.prototype,"maxFieldOfView",void 0),rg([Z({type:Number,attribute:"interaction-prompt-threshold"})],y.prototype,"interactionPromptThreshold",void 0),rg([Z({type:String,attribute:"interaction-prompt-style"})],y.prototype,"interactionPromptStyle",void 0),rg([Z({type:String,attribute:"interaction-prompt"})],y.prototype,"interactionPrompt",void 0),rg([Z({type:String,attribute:"interaction-policy"})],y.prototype,"interactionPolicy",void 0),rg([Z({type:Number,attribute:"orbit-sensitivity"})],y.prototype,"orbitSensitivity",void 0),rg([Z({type:String,attribute:"touch-action"})],y.prototype,"touchAction",void 0),rg([Z({type:Boolean,attribute:"disable-zoom"})],y.prototype,"disableZoom",void 0),rg([Z({type:Number,attribute:"interpolation-decay"})],y.prototype,"interpolationDecay",void 0),rg([Z({type:String,attribute:"bounds"})],y.prototype,"bounds",void 0),y})((t=>{var e,n,i,r,s,a,o,l,c,h;class u extends t{constructor(){super(...arguments),this.ar=!1,this.arScale="auto",this.arPlacement="floor",this.arModes="webxr scene-viewer",this.iosSrc=null,this.xrEnvironment=!1,this[e]=!1,this[n]=this.shadowRoot.querySelector(".ar-button"),this[i]=document.createElement("a"),this[r]=new Set,this[s]=Gm,this[a]=!1,this[o]=t=>{t.preventDefault(),this.activateAR()},this[l]=({status:t})=>{t!==ju&&this[vp].arRenderer.presentedScene!==this[dp]||(this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}})),t===ju?this.removeAttribute("ar-tracking"):t===qu&&this.setAttribute("ar-tracking",Zu))},this[c]=({status:t})=>{this.setAttribute("ar-tracking",t),this.dispatchEvent(new CustomEvent("ar-tracking",{detail:{status:t}}))},this[h]=t=>{"_apple_ar_quicklook_button_tapped"==t.data&&this.dispatchEvent(new CustomEvent("quick-look-button-tapped"))}}get canActivateAR(){return this[Zm]!==Gm}connectedCallback(){super.connectedCallback(),this[vp].arRenderer.addEventListener("status",this[tf]),this.setAttribute("ar-status",ju),this[vp].arRenderer.addEventListener("tracking",this[ef]),this[$m].addEventListener("message",this[nf])}disconnectedCallback(){super.disconnectedCallback(),this[vp].arRenderer.removeEventListener("status",this[tf]),this[vp].arRenderer.removeEventListener("tracking",this[ef]),this[$m].removeEventListener("message",this[nf])}async update(t){super.update(t),t.has("arScale")&&(this[dp].canScale="fixed"!==this.arScale),t.has("arPlacement")&&(this[dp].updateShadow(),this[pp]()),(t.has("ar")||t.has("arModes")||t.has("iosSrc"))&&(t.has("arModes")&&(this[Jm]=km(this.arModes)),this[rf]())}async activateAR(){switch(this[Zm]){case Bm:this[Xm]();break;case Vm:await this[jm]();break;case Hm:this[qm]();break;default:console.warn("No AR Mode can be activated. This is probably due to missing configuration or device capabilities")}}async[(e=Ym,n=Wm,i=$m,r=Jm,s=Zm,a=Km,o=Qm,l=tf,c=ef,h=nf,rf)](){if(this[Zm]=Gm,this.ar){if(null!=this.src)for(const t of this[Jm]){if("webxr"===t&&st&&!Om&&await this[vp].arRenderer.supportsPresentation()){this[Zm]=Vm;break}if("scene-viewer"===t&&ut&&!Um){this[Zm]=Hm;break}if("quick-look"===t&<){this[Zm]=Bm;break}}!this.canActivateAR&&null!=this.iosSrc&<&&(this[Zm]=Bm)}if(this.canActivateAR)this[Wm].classList.add("enabled"),this[Wm].addEventListener("click",this[Qm]);else if(this[Wm].classList.contains("enabled")){this[Wm].removeEventListener("click",this[Qm]),this[Wm].classList.remove("enabled");const t=Yu;this.setAttribute("ar-status",t),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:t}}))}}async[jm](){console.log("Attempting to present in AR with WebXR..."),await this[sf]();try{this[Wm].removeEventListener("click",this[Qm]);const{arRenderer:t}=this[vp];t.placeOnWall="wall"===this.arPlacement,await t.present(this[dp],this.xrEnvironment)}catch(t){console.warn("Error while trying to present in AR with WebXR"),console.error(t),await this[vp].arRenderer.stopPresenting(),Om=!0,console.warn("Falling back to next ar-mode"),await this[rf](),this.activateAR()}finally{this[rf]()}}async[sf](){this.loaded||(this[Km]=!0,this[op](),await((t,e,n=null)=>new Promise((i=>{t.addEventListener(e,(function r(s){n&&!n(s)||(i(s),t.removeEventListener(e,r))}))}))) /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */(this,"load"),this[Km]=!1)}[wp](){return super[wp]()||this[Km]}[qm](){const t=self.location.toString(),e=new URL(t),n=new URL(this.src,t),i=new URLSearchParams(n.search);if(e.hash="#model-viewer-no-ar-fallback",i.set("mode","ar_preferred"),i.has("disable_occlusion")||i.set("disable_occlusion","true"),"fixed"===this.arScale&&i.set("resizable","false"),"wall"===this.arPlacement&&i.set("enable_vertical_placement","true"),i.has("sound")){const e=new URL(i.get("sound"),t);i.set("sound",e.toString())}if(i.has("link")){const e=new URL(i.get("link"),t);i.set("link",e.toString())}const r=`intent://arvr.google.com/scene-viewer/1.0?${i.toString()+"&file="+encodeURIComponent(n.toString())}#Intent;scheme=https;package=com.google.ar.core;action=android.intent.action.VIEW;S.browser_fallback_url=${encodeURIComponent(e.toString())};end;`;self.addEventListener("hashchange",(()=>{"#model-viewer-no-ar-fallback"===self.location.hash&&(Um=!0,self.history.back(),console.warn("Error while trying to present in AR with Scene Viewer"),console.warn("Falling back to next ar-mode"),this[rf]())}),{once:!0}),this[$m].setAttribute("href",r),console.log("Attempting to present in AR with Scene Viewer..."),this[$m].click()}async[Xm](){const t=!this.iosSrc;this[Wm].classList.remove("enabled");const e=t?await this.prepareUSDZ():this.iosSrc,n=new URL(e,self.location.toString());"fixed"===this.arScale&&(n.hash&&(n.hash+="&"),n.hash+="allowsContentScaling=0");const i=this[$m];i.setAttribute("rel","ar");const r=document.createElement("img");i.appendChild(r),i.setAttribute("href",n.toString()),t&&i.setAttribute("download","model.usdz"),console.log("Attempting to present in AR with Quick Look..."),i.click(),i.removeChild(r),t&&URL.revokeObjectURL(e),this[Wm].classList.add("enabled")}async prepareUSDZ(){const t=this[yp].beginActivity();await this[sf]();const e=this[dp],n=e.shadow;let i=!1;null!=n&&(i=n.visible,n.visible=!1),t(.2);const r=new Am,s=await r.parse(e.modelContainer),a=new Blob([s],{type:"model/vnd.usdz+zip"}),o=URL.createObjectURL(a);return t(1),null!=n&&(n.visible=i),o}}return Fm([Z({type:Boolean,attribute:"ar"})],u.prototype,"ar",void 0),Fm([Z({type:String,attribute:"ar-scale"})],u.prototype,"arScale",void 0),Fm([Z({type:String,attribute:"ar-placement"})],u.prototype,"arPlacement",void 0),Fm([Z({type:String,attribute:"ar-modes"})],u.prototype,"arModes",void 0),Fm([Z({type:String,attribute:"ios-src"})],u.prototype,"iosSrc",void 0),Fm([Z({type:Boolean,attribute:"xr-environment"})],u.prototype,"xrEnvironment",void 0),u})((t=>{var e,n,i,r,s,a,o,l,c,h,u,d,p,m;class f extends t{constructor(...t){super(...t),this.poster=null,this.reveal=rv,this.loading=av,this.generateSchema=!1,this.seamlessPoster=!1,this[e]=!1,this[n]=!1,this[i]=0,this[r]=null,this[s]=this.shadowRoot.querySelector(".slot.poster"),this[a]=this.shadowRoot.querySelector("#default-poster"),this[o]=this.shadowRoot.querySelector("#default-progress-bar > .bar"),this[l]=this.shadowRoot.querySelector("#default-progress-bar > .mask"),this[c]=this[pv].getAttribute("aria-label"),this[h]=((t,e)=>{let n=null;const i=(...i)=>{null==n&&(t(...i),n=self.setTimeout((()=>n=null),e))};return i.flush=()=>{null!=n&&(self.clearTimeout(n),n=null)},i})((t=>{const e=this[hv].parentNode;requestAnimationFrame((()=>{this[uv].style.opacity=""+.2*(1-t),this[hv].style.transform=`scaleX(${t})`,0===t&&(e.removeChild(this[hv]),e.appendChild(this[hv])),1===t?this[hv].classList.add("hide"):this[hv].classList.remove("hide")}))}),100),this[u]=()=>{this.reveal!==sv&&this.dismissPoster()},this[d]=t=>{if(this.reveal!==sv)switch(t.keyCode){case 32:case 13:this.dismissPoster()}},this[p]=t=>{const e=t.detail.totalProgress;this[yv]=Math.max(e,this[yv]),1===e&&(this[vv].flush(),!this[_p]()||null==this[mv]&&this.reveal!==rv||this[fv]()),this[vv](e),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:e}}))},this[m]=()=>{this[xv]=!0;const t=this.getRootNode();t&&t.activeElement===this&&this[hp].focus();const e=this[pv];e.setAttribute("aria-hidden","true"),e.tabIndex=-1,this.dispatchEvent(new CustomEvent("poster-dismissed"))};const f=self.ModelViewerElement||{},g=f.dracoDecoderLocation||"https://www.gstatic.com/draco/versioned/decoders/1.4.1/";kh.setDRACODecoderLocation(g);const v=f.ktx2TranscoderLocation||"https://www.gstatic.com/basis-universal/versioned/2021-04-15-ba1c3e4/";kh.setKTX2TranscoderLocation(v),f.meshoptDecoderLocation&&kh.setMeshoptDecoderLocation(f.meshoptDecoderLocation)}static set dracoDecoderLocation(t){kh.setDRACODecoderLocation(t)}static get dracoDecoderLocation(){return kh.getDRACODecoderLocation()}static set ktx2TranscoderLocation(t){kh.setKTX2TranscoderLocation(t)}static get ktx2TranscoderLocation(){return kh.getKTX2TranscoderLocation()}static set meshoptDecoderLocation(t){kh.setMeshoptDecoderLocation(t)}static get meshoptDecoderLocation(){return kh.getMeshoptDecoderLocation()}static mapURLs(t){Cd.singleton.loader[Fh].manager.setURLModifier(t)}dismissPoster(){this[_p]()?this[fv]():(this[mv]=lv,this[op]())}showPoster(){const t=this[dv],e=this[pv];e.removeAttribute("tabindex"),e.removeAttribute("aria-hidden"),t.classList.add("show");const n=this.modelIsVisible;this[gv]=!1,this[rp](n),this[xv]=!1}getDimensions(){return Sp(this[dp].size)}connectedCallback(){super.connectedCallback(),this[dv].addEventListener("click",this[_v]),this[dv].addEventListener("keydown",this[Mv]),this[yp].addEventListener("progress",this[Sv]),cv.registerInstance(this)}disconnectedCallback(){super.disconnectedCallback(),this[dv].removeEventListener("click",this[_v]),this[dv].removeEventListener("keydown",this[Mv]),this[yp].removeEventListener("progress",this[Sv]),cv.unregisterInstance(this)}async updated(t){super.updated(t),t.has("poster")&&null!=this.poster&&(this[pv].style.backgroundImage=`url(${this.poster})`),t.has("alt")&&this[pv].setAttribute("aria-label",`${this[sp]}. ${this[wv]}`),(t.has("reveal")||t.has("loading"))&&this[op](),t.has("generateSchema")&&(!0===this.generateSchema?this[dp].updateSchema(this.src):this[dp].updateSchema(null)),t.has("seamlessPoster")&&(!0===this.seamlessPoster?this[dv].classList.add("quick"):this[dv].classList.remove("quick"))}[(e=gv,n=xv,i=yv,r=mv,s=dv,a=pv,o=hv,l=uv,c=wv,h=vv,u=_v,d=Mv,p=Sv,wp)](){return!!this.src&&(null!=this[mv]||this.loading===ov||this.reveal===rv&&this[ip])}[_p](){const{src:t}=this;return!!t&&super[_p]()&&1===this[yv]}[(m=bv,fv)](){this[mv]=null;const t=this[dv];if(t.classList.contains("show")){const e=this.modelIsVisible;this[gv]=!0,this[rp](e),requestAnimationFrame((()=>{t.classList.remove("show"),!0===this.seamlessPoster?this[bv]():t.addEventListener("transitionend",this[bv],{once:!0})}))}else this[xv]=!0}[bp](){return super[bp]()&&this[gv]}[Mp](){return super[Mp]()&&this[xv]}async[op](){this[yv]=0,!0===this.generateSchema&&this[dp].updateSchema(this.src),null!=this[dp].currentGLTF&&null!=this.src&&this[wp]()||this.showPoster(),await super[op]()}}return iv([Z({type:String})],f.prototype,"poster",void 0),iv([Z({type:String})],f.prototype,"reveal",void 0),iv([Z({type:String})],f.prototype,"loading",void 0),iv([Z({type:Boolean,attribute:"generate-schema"})],f.prototype,"generateSchema",void 0),iv([Z({type:Boolean,attribute:"seamless-poster"})],f.prototype,"seamlessPoster",void 0),f})((t=>{var e;class n extends t{constructor(){super(...arguments),this.autoplay=!1,this.animationName=void 0,this.animationCrossfadeDuration=300,this[e]=!0}get availableAnimations(){return this.loaded?this[dp].animationNames:[]}get duration(){return this[dp].duration}get paused(){return this[Lp]}get currentTime(){return this[dp].animationTime}set currentTime(t){this[dp].animationTime=t,this[vp].threeRenderer.shadowMap.needsUpdate=!0,this[pp]()}pause(){this[Lp]||(this[Lp]=!0,this[vp].threeRenderer.shadowMap.autoUpdate=!1,this.dispatchEvent(new CustomEvent("pause")))}play(){this[Lp]&&this.availableAnimations.length>0&&(this[Lp]=!1,this[vp].threeRenderer.shadowMap.autoUpdate=!0,this[dp].hasActiveAnimation||this[Ap](),this.dispatchEvent(new CustomEvent("play")))}[(e=Lp,fp)](){super[fp](),this[Lp]=!0,this.autoplay&&(this[Ap](),this.play())}[mp](t,e){super[mp](t,e),this[Lp]||!this[Mp]()&&!this[vp].isPresenting||(this[dp].updateAnimation(e/1e3),this[pp]())}updated(t){super.updated(t),t.has("autoplay")&&this.autoplay&&this.play(),t.has("animationName")&&this[Ap]()}async[op](){return this[dp].stopAnimation(),super[op]()}[Ap](){this[dp].playAnimation(this.animationName,this.animationCrossfadeDuration/1e3),this[Lp]&&(this[dp].updateAnimation(0),this[pp]())}}return Ep([Z({type:Boolean})],n.prototype,"autoplay",void 0),Ep([Z({type:String,attribute:"animation-name"})],n.prototype,"animationName",void 0),Ep([Z({type:Number,attribute:"animation-crossfade-duration"})],n.prototype,"animationCrossfadeDuration",void 0),n})((t=>{var e;const n=Symbol("endPolyfillCoordination");return e=n,class extends t{constructor(){super(...arguments),this[e]=null}connectedCallback(){super.connectedCallback&&super.connectedCallback(),null==this[n]&&(this[n]=(t=>{if(null==t.shadowRoot||t.hasAttribute("data-js-focus-visible"))return()=>{};if(!self.applyFocusVisiblePolyfill){const e=()=>{self.applyFocusVisiblePolyfill(t.shadowRoot)};return self.addEventListener("focus-visible-polyfill-ready",e,{once:!0}),()=>{self.removeEventListener("focus-visible-polyfill-ready",e)}}return self.applyFocusVisiblePolyfill(t.shadowRoot),()=>{}})(this))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),null!=this[n]&&(this[n](),this[n]=null)}}})(Tp)))))))));customElements.define("model-viewer",Nx);export{Nx as ModelViewerElement};