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f=1/p;return t[0]=h*f,t[1]=(i*l-c*n)*f,t[2]=(s*n-i*a)*f,t[3]=u*f,t[4]=(c*e-i*o)*f,t[5]=(i*r-s*e)*f,t[6]=d*f,t[7]=(n*o-l*e)*f,t[8]=(a*e-n*r)*f,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,a,s){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*a+l*s)+a+t,-i*l,i*o,-i*(-l*a+o*s)+s+e,0,0,1),this}scale(t,e){return this.premultiply(vn.makeScale(t,e)),this}rotate(t){return this.premultiply(vn.makeRotation(-t)),this}translate(t,e){return this.premultiply(vn.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let i=0;i<9;i++)if(e[i]!==n[i])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)}}const vn=new _n;function xn(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array;function Mn(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function Sn(){const t=Mn("canvas");return t.style.display="block",t}const yn={};function En(t){t in yn||(yn[t]=!0)}const Tn=(new _n).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),bn=(new _n).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),An={[Ie]:{transfer:ze,primaries:Ve,toReference:t=>t,fromReference:t=>t},[Ne]:{transfer:Be,primaries:Ve,toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},[Fe]:{transfer:ze,primaries:He,toReference:t=>t.applyMatrix3(bn),fromReference:t=>t.applyMatrix3(Tn)},[Oe]:{transfer:Be,primaries:He,toReference:t=>t.convertSRGBToLinear().applyMatrix3(bn),fromReference:t=>t.applyMatrix3(Tn).convertLinearToSRGB()}},wn=new Set([Ie,Fe]),Rn={enabled:!0,_workingColorSpace:Ie,get legacyMode(){return!this.enabled},set legacyMode(t){this.enabled=!t},get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!wn.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,n){if(!1===this.enabled||e===n||!e||!n)return t;const i=An[e].toReference,r=An[n].fromReference;return r(i(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return An[t].primaries},getTransfer:function(t){return t===De?ze:An[t].transfer}};function Cn(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Pn(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Ln;class Un{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===Ln&&(Ln=Mn("canvas")),Ln.width=t.width,Ln.height=t.height;const n=Ln.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=Ln}return e.width>2048||e.height>2048?e.toDataURL("image/jpeg",.6):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!==typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!==typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!==typeof ImageBitmap&&t instanceof ImageBitmap){const e=Mn("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==st)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case dt:t.x=t.x-Math.floor(t.x);break;case pt:t.x=t.x<0?0:1;break;case ft:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x);break}if(t.y<0||t.y>1)switch(this.wrapT){case dt:t.y=t.y-Math.floor(t.y);break;case pt:t.y=t.y<0?0:1;break;case ft:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y);break}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}get encoding(){return En("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===Ne?Re:we}set encoding(t){En("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=t===Re?Ne:De}}Fn.DEFAULT_IMAGE=null,Fn.DEFAULT_MAPPING=st,Fn.DEFAULT_ANISOTROPY=1;class zn{constructor(t=0,e=0,n=0,i=1){zn.prototype.isVector4=!0,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){return 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){return 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,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*e+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*e+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*e+a[7]*n+a[11]*i+a[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 a=.01,s=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],f=o[2],m=o[6],g=o[10];if(Math.abs(c-u)o&&t>_?t_?o=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),a=Math.atan2(r,e*n);t=Math.sin(t*a)/r,s=Math.sin(s*a)/r}const r=s*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+f*r,t===1-s){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,a){const s=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[a],u=r[a+1],d=r[a+2],p=r[a+3];return t[e]=s*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-s*d,t[e+2]=l*p+c*d+s*u-o*h,t[e+3]=c*p-s*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){const n=t._x,i=t._y,r=t._z,a=t._order,s=Math.cos,o=Math.sin,l=s(n/2),c=s(i/2),h=s(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(a){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:}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],a=e[1],s=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+s+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=(a-i)*t}else if(n>s&&n>h){const t=2*Math.sqrt(1+n-s-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+a)/t,this._z=(r+l)/t}else if(s>h){const t=2*Math.sqrt(1+s-n-h);this._w=(r-l)/t,this._x=(i+a)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-s);this._w=(a-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(cn(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){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,a=t._w,s=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+a*s+i*l-r*o,this._y=i*c+a*o+r*s-n*l,this._z=r*c+a*l+n*o-i*s,this._w=a*c-n*s-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,a=this._w;let s=a*t._w+n*t._x+i*t._y+r*t._z;if(s<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,s=-s):this.copy(t),s>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;const o=1-s*s;if(o<=Number.EPSILON){const t=1-e;return this._w=t*a+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,s),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=a*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){return 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}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Wn{constructor(t=0,e=0,n=0){Wn.prototype.isVector3=!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){return 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){return 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){return 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 this.applyQuaternion(jn.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(jn.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,a=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])*a,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,a=t.y,s=t.z,o=t.w,l=2*(a*i-s*n),c=2*(s*e-r*i),h=2*(r*n-a*e);return this.x=e+o*l+a*h-s*c,this.y=n+o*c+s*l-r*h,this.z=i+o*h+r*c-a*l,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=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(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){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,a=e.x,s=e.y,o=e.z;return this.x=i*o-r*s,this.y=r*a-n*o,this.z=n*s-i*a,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 Xn.copy(this).projectOnVector(t),this.sub(Xn)}reflect(t){return this.sub(Xn.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(cn(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)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}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){return 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}}const Xn=new Wn,jn=new kn;class qn{constructor(t=new Wn(1/0,1/0,1/0),e=new Wn(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(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,Kn),Kn.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(ii),ri.subVectors(this.max,ii),Jn.subVectors(t.a,ii),Qn.subVectors(t.b,ii),$n.subVectors(t.c,ii),ti.subVectors(Qn,Jn),ei.subVectors($n,Qn),ni.subVectors(Jn,$n);let e=[0,-ti.z,ti.y,0,-ei.z,ei.y,0,-ni.z,ni.y,ti.z,0,-ti.x,ei.z,0,-ei.x,ni.z,0,-ni.x,-ti.y,ti.x,0,-ei.y,ei.x,0,-ni.y,ni.x,0];return!!oi(e,Jn,Qn,$n,ri)&&(e=[1,0,0,0,1,0,0,0,1],!!oi(e,Jn,Qn,$n,ri)&&(ai.crossVectors(ti,ei),e=[ai.x,ai.y,ai.z],oi(e,Jn,Qn,$n,ri)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Kn).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Kn).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(Yn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),Yn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),Yn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),Yn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),Yn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),Yn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),Yn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),Yn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(Yn)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const Yn=[new Wn,new Wn,new Wn,new Wn,new Wn,new Wn,new Wn,new Wn],Kn=new Wn,Zn=new qn,Jn=new Wn,Qn=new Wn,$n=new Wn,ti=new Wn,ei=new Wn,ni=new Wn,ii=new Wn,ri=new Wn,ai=new Wn,si=new Wn;function oi(t,e,n,i,r){for(let a=0,s=t.length-3;a<=s;a+=3){si.fromArray(t,a);const s=r.x*Math.abs(si.x)+r.y*Math.abs(si.y)+r.z*Math.abs(si.z),o=e.dot(si),l=n.dot(si),c=i.dot(si);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>s)return!1}return!0}const li=new qn,ci=new Wn,hi=new Wn;class ui{constructor(t=new Wn,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):li.setFromPoints(t).getCenter(n);let i=0;for(let r=0,a=t.length;rthis.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){if(this.isEmpty())return this.center.copy(t),this.radius=0,this;ci.subVectors(t,this.center);const e=ci.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),n=.5*(t-this.radius);this.center.addScaledVector(ci,n/t),this.radius+=n}return this}union(t){return t.isEmpty()?this:this.isEmpty()?(this.copy(t),this):(!0===this.center.equals(t.center)?this.radius=Math.max(this.radius,t.radius):(hi.subVectors(t.center,this.center).setLength(t.radius),this.expandByPoint(ci.copy(t.center).add(hi)),this.expandByPoint(ci.copy(t.center).sub(hi))),this)}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const di=new Wn,pi=new Wn,fi=new Wn,mi=new Wn,gi=new Wn,_i=new Wn,vi=new Wn;class xi{constructor(t=new Wn,e=new Wn(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.origin).addScaledVector(this.direction,t)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,di)),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.origin).addScaledVector(this.direction,n)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=di.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(di.copy(this.origin).addScaledVector(this.direction,e),di.distanceToSquared(t))}distanceSqToSegment(t,e,n,i){pi.copy(t).add(e).multiplyScalar(.5),fi.copy(e).sub(t).normalize(),mi.copy(this.origin).sub(pi);const r=.5*t.distanceTo(e),a=-this.direction.dot(fi),s=mi.dot(this.direction),o=-mi.dot(fi),l=mi.lengthSq(),c=Math.abs(1-a*a);let h,u,d,p;if(c>0)if(h=a*o-s,u=a*s-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+a*u+2*s)+u*(a*h+u+2*o)+l}else u=r,h=Math.max(0,-(a*u+s)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(a*u+s)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-a*r+s)),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,-(a*r+s)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=a>0?-r:r,h=Math.max(0,-(a*u+s)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(pi).addScaledVector(fi,u),d}intersectSphere(t,e){di.subVectors(t.center,this.origin);const n=di.dot(this.direction),i=di.dot(di)-n*n,r=t.radius*t.radius;if(i>r)return null;const a=Math.sqrt(r-i),s=n-a,o=n+a;return o<0?null:s<0?this.at(o,e):this.at(s,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;const n=t.normal.dot(this.direction);return n*e<0}intersectBox(t,e){let n,i,r,a,s,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,a=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,a=(t.min.y-u.y)*c),n>a||r>i?null:((r>n||isNaN(n))&&(n=r),(a=0?(s=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(s=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),n>o||s>i?null:((s>n||n!==n)&&(n=s),(o=0?n:i,e)))}intersectsBox(t){return null!==this.intersectBox(t,di)}intersectTriangle(t,e,n,i,r){gi.subVectors(e,t),_i.subVectors(n,t),vi.crossVectors(gi,_i);let a,s=this.direction.dot(vi);if(s>0){if(i)return null;a=1}else{if(!(s<0))return null;a=-1,s=-s}mi.subVectors(this.origin,t);const o=a*this.direction.dot(_i.crossVectors(mi,_i));if(o<0)return null;const l=a*this.direction.dot(gi.cross(mi));if(l<0)return null;if(o+l>s)return null;const c=-a*mi.dot(vi);return c<0?null:this.at(c/s,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 Mi{constructor(t,e,n,i,r,a,s,o,l,c,h,u,d,p,f,m){Mi.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==t&&this.set(t,e,n,i,r,a,s,o,l,c,h,u,d,p,f,m)}set(t,e,n,i,r,a,s,o,l,c,h,u,d,p,f,m){const g=this.elements;return g[0]=t,g[4]=e,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=s,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=f,g[15]=m,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 Mi).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/Si.setFromMatrixColumn(t,0).length(),r=1/Si.setFromMatrixColumn(t,1).length(),a=1/Si.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]*a,e[9]=n[9]*a,e[10]=n[10]*a,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,n=t.x,i=t.y,r=t.z,a=Math.cos(n),s=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=a*c,n=a*h,i=s*c,r=s*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=n+i*l,e[5]=t-r*l,e[9]=-s*o,e[2]=r-t*l,e[6]=i+n*l,e[10]=a*o}else if("YXZ"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t+r*s,e[4]=i*s-n,e[8]=a*l,e[1]=a*h,e[5]=a*c,e[9]=-s,e[2]=n*s-i,e[6]=r+t*s,e[10]=a*o}else if("ZXY"===t.order){const t=o*c,n=o*h,i=l*c,r=l*h;e[0]=t-r*s,e[4]=-a*h,e[8]=i+n*s,e[1]=n+i*s,e[5]=a*c,e[9]=r-t*s,e[2]=-a*l,e[6]=s,e[10]=a*o}else if("ZYX"===t.order){const t=a*c,n=a*h,i=s*c,r=s*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]=s*o,e[10]=a*o}else if("YZX"===t.order){const t=a*o,n=a*l,i=s*o,r=s*l;e[0]=o*c,e[4]=r-t*h,e[8]=i*h+n,e[1]=h,e[5]=a*c,e[9]=-s*c,e[2]=-l*c,e[6]=n*h+i,e[10]=t-r*h}else if("XZY"===t.order){const t=a*o,n=a*l,i=s*o,r=s*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=a*c,e[9]=n*h-i,e[2]=i*h-n,e[6]=s*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(Ei,t,Ti)}lookAt(t,e,n){const i=this.elements;return wi.subVectors(t,e),0===wi.lengthSq()&&(wi.z=1),wi.normalize(),bi.crossVectors(n,wi),0===bi.lengthSq()&&(1===Math.abs(n.z)?wi.x+=1e-4:wi.z+=1e-4,wi.normalize(),bi.crossVectors(n,wi)),bi.normalize(),Ai.crossVectors(wi,bi),i[0]=bi.x,i[4]=Ai.x,i[8]=wi.x,i[1]=bi.y,i[5]=Ai.y,i[9]=wi.y,i[2]=bi.z,i[6]=Ai.z,i[10]=wi.z,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,a=n[0],s=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],f=n[6],m=n[10],g=n[14],_=n[3],v=n[7],x=n[11],M=n[15],S=i[0],y=i[4],E=i[8],T=i[12],b=i[1],A=i[5],w=i[9],R=i[13],C=i[2],P=i[6],L=i[10],U=i[14],D=i[3],N=i[7],I=i[11],O=i[15];return r[0]=a*S+s*b+o*C+l*D,r[4]=a*y+s*A+o*P+l*N,r[8]=a*E+s*w+o*L+l*I,r[12]=a*T+s*R+o*U+l*O,r[1]=c*S+h*b+u*C+d*D,r[5]=c*y+h*A+u*P+d*N,r[9]=c*E+h*w+u*L+d*I,r[13]=c*T+h*R+u*U+d*O,r[2]=p*S+f*b+m*C+g*D,r[6]=p*y+f*A+m*P+g*N,r[10]=p*E+f*w+m*L+g*I,r[14]=p*T+f*R+m*U+g*O,r[3]=_*S+v*b+x*C+M*D,r[7]=_*y+v*A+x*P+M*N,r[11]=_*E+v*w+x*L+M*I,r[15]=_*T+v*R+x*U+M*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],a=t[1],s=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14],p=t[3],f=t[7],m=t[11],g=t[15];return p*(+r*o*h-i*l*h-r*s*u+n*l*u+i*s*d-n*o*d)+f*(+e*o*d-e*l*u+r*a*u-i*a*d+i*l*c-r*o*c)+m*(+e*l*h-e*s*d-r*a*h+n*a*d+r*s*c-n*l*c)+g*(-i*s*c-e*o*h+e*s*u+i*a*h-n*a*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],a=t[4],s=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],f=t[13],m=t[14],g=t[15],_=h*m*l-f*u*l+f*o*d-s*m*d-h*o*g+s*u*g,v=p*u*l-c*m*l-p*o*d+a*m*d+c*o*g-a*u*g,x=c*f*l-p*h*l+p*s*d-a*f*d-c*s*g+a*h*g,M=p*h*o-c*f*o-p*s*u+a*f*u+c*s*m-a*h*m,S=e*_+n*v+i*x+r*M;if(0===S)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const y=1/S;return t[0]=_*y,t[1]=(f*u*r-h*m*r-f*i*d+n*m*d+h*i*g-n*u*g)*y,t[2]=(s*m*r-f*o*r+f*i*l-n*m*l-s*i*g+n*o*g)*y,t[3]=(h*o*r-s*u*r-h*i*l+n*u*l+s*i*d-n*o*d)*y,t[4]=v*y,t[5]=(c*m*r-p*u*r+p*i*d-e*m*d-c*i*g+e*u*g)*y,t[6]=(p*o*r-a*m*r-p*i*l+e*m*l+a*i*g-e*o*g)*y,t[7]=(a*u*r-c*o*r+c*i*l-e*u*l-a*i*d+e*o*d)*y,t[8]=x*y,t[9]=(p*h*r-c*f*r-p*n*d+e*f*d+c*n*g-e*h*g)*y,t[10]=(a*f*r-p*s*r+p*n*l-e*f*l-a*n*g+e*s*g)*y,t[11]=(c*s*r-a*h*r-c*n*l+e*h*l+a*n*d-e*s*d)*y,t[12]=M*y,t[13]=(c*f*i-p*h*i+p*n*u-e*f*u-c*n*m+e*h*m)*y,t[14]=(p*s*i-a*f*i-p*n*o+e*f*o+a*n*m-e*s*m)*y,t[15]=(a*h*i-c*s*i+c*n*o-e*h*o-a*n*u+e*s*u)*y,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 t.isVector3?this.set(1,0,0,t.x,0,1,0,t.y,0,0,1,t.z,0,0,0,1):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,a=t.x,s=t.y,o=t.z,l=r*a,c=r*s;return this.set(l*a+n,l*s-i*o,l*o+i*s,0,l*s+i*o,c*s+n,c*o-i*a,0,l*o-i*s,c*o+i*a,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,a){return this.set(1,n,r,0,t,1,a,0,e,i,1,0,0,0,0,1),this}compose(t,e,n){const i=this.elements,r=e._x,a=e._y,s=e._z,o=e._w,l=r+r,c=a+a,h=s+s,u=r*l,d=r*c,p=r*h,f=a*c,m=a*h,g=s*h,_=o*l,v=o*c,x=o*h,M=n.x,S=n.y,y=n.z;return i[0]=(1-(f+g))*M,i[1]=(d+x)*M,i[2]=(p-v)*M,i[3]=0,i[4]=(d-x)*S,i[5]=(1-(u+g))*S,i[6]=(m+_)*S,i[7]=0,i[8]=(p+v)*y,i[9]=(m-_)*y,i[10]=(1-(u+f))*y,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=Si.set(i[0],i[1],i[2]).length();const a=Si.set(i[4],i[5],i[6]).length(),s=Si.set(i[8],i[9],i[10]).length(),o=this.determinant();o<0&&(r=-r),t.x=i[12],t.y=i[13],t.z=i[14],yi.copy(this);const l=1/r,c=1/a,h=1/s;return yi.elements[0]*=l,yi.elements[1]*=l,yi.elements[2]*=l,yi.elements[4]*=c,yi.elements[5]*=c,yi.elements[6]*=c,yi.elements[8]*=h,yi.elements[9]*=h,yi.elements[10]*=h,e.setFromRotationMatrix(yi),n.x=r,n.y=a,n.z=s,this}makePerspective(t,e,n,i,r,a,s=en){const o=this.elements,l=2*r/(e-t),c=2*r/(n-i),h=(e+t)/(e-t),u=(n+i)/(n-i);let d,p;if(s===en)d=-(a+r)/(a-r),p=-2*a*r/(a-r);else{if(s!==nn)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+s);d=-a/(a-r),p=-a*r/(a-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(t,e,n,i,r,a,s=en){const o=this.elements,l=1/(e-t),c=1/(n-i),h=1/(a-r),u=(e+t)*l,d=(n+i)*c;let p,f;if(s===en)p=(a+r)*h,f=-2*h;else{if(s!==nn)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+s);p=r*h,f=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=f,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(t){const e=this.elements,n=t.elements;for(let i=0;i<16;i++)if(e[i]!==n[i])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}}const Si=new Wn,yi=new Mi,Ei=new Wn(0,0,0),Ti=new Wn(1,1,1),bi=new Wn,Ai=new Wn,wi=new Wn,Ri=new Mi,Ci=new kn;class Pi{constructor(t=0,e=0,n=0,i=Pi.DEFAULT_ORDER){this.isEuler=!0,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],a=i[4],s=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(cn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-a,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-cn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(s,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(cn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-a,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-cn(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(-a,l));break;case"YZX":this._z=Math.asin(cn(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(s,d));break;case"XZY":this._z=Math.asin(-cn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(s,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:}return this._order=e,!0===n&&this._onChangeCallback(),this}setFromQuaternion(t,e,n){return Ri.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Ri,e,n)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return Ci.setFromEuler(this),this.setFromQuaternion(Ci,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}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}Pi.DEFAULT_ORDER="XYZ";class Li{constructor(){this.mask=1}set(t){this.mask=(1<>>0}enable(t){this.mask|=1<1){for(let t=0;t1){for(let t=0;t0&&(n=n.concat(r))}return n}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Fi,t,zi),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Fi,Bi,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let n=0,i=e.length;n0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const n=e.shapes;if(Array.isArray(n))for(let e=0,i=n.length;e0){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),s.length>0&&(n.images=s),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function a(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.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,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.animations=t.animations.slice(),this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let n=0;n0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(t,e,n,i,r){ji.subVectors(i,e),qi.subVectors(n,e),Yi.subVectors(t,e);const a=ji.dot(ji),s=ji.dot(qi),o=ji.dot(Yi),l=qi.dot(qi),c=qi.dot(Yi),h=a*l-s*s;if(0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-s*c)*u,p=(a*c-s*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,n,i){return this.getBarycoord(t,e,n,i,Ki),Ki.x>=0&&Ki.y>=0&&Ki.x+Ki.y<=1}static getUV(t,e,n,i,r,a,s,o){return!1===nr&&(nr=!0),this.getInterpolation(t,e,n,i,r,a,s,o)}static getInterpolation(t,e,n,i,r,a,s,o){return this.getBarycoord(t,e,n,i,Ki),o.setScalar(0),o.addScaledVector(r,Ki.x),o.addScaledVector(a,Ki.y),o.addScaledVector(s,Ki.z),o}static isFrontFacing(t,e,n,i){return ji.subVectors(n,e),qi.subVectors(t,e),ji.cross(qi).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 ji.subVectors(this.c,this.b),qi.subVectors(this.a,this.b),.5*ji.cross(qi).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return ir.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return ir.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,n,i,r){return!1===nr&&(nr=!0),ir.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}getInterpolation(t,e,n,i,r){return ir.getInterpolation(t,this.a,this.b,this.c,e,n,i,r)}containsPoint(t){return ir.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return ir.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 a,s;Zi.subVectors(i,n),Ji.subVectors(r,n),$i.subVectors(t,n);const o=Zi.dot($i),l=Ji.dot($i);if(o<=0&&l<=0)return e.copy(n);tr.subVectors(t,i);const c=Zi.dot(tr),h=Ji.dot(tr);if(c>=0&&h<=c)return e.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return a=o/(o-c),e.copy(n).addScaledVector(Zi,a);er.subVectors(t,r);const d=Zi.dot(er),p=Ji.dot(er);if(p>=0&&d<=p)return e.copy(r);const f=d*l-o*p;if(f<=0&&l>=0&&p<=0)return s=l/(l-p),e.copy(n).addScaledVector(Ji,s);const m=c*p-d*h;if(m<=0&&h-c>=0&&d-p>=0)return Qi.subVectors(r,i),s=(h-c)/(h-c+(d-p)),e.copy(i).addScaledVector(Qi,s);const g=1/(m+f+u);return a=f*g,s=u*g,e.copy(n).addScaledVector(Zi,a).addScaledVector(Ji,s)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}const rr={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},ar={h:0,s:0,l:0},sr={h:0,s:0,l:0};function or(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}class lr{constructor(t,e,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(t,e,n)}set(t,e,n){if(void 0===e&&void 0===n){const e=t;e&&e.isColor?this.copy(e):"number"===typeof e?this.setHex(e):"string"===typeof e&&this.setStyle(e)}else this.setRGB(t,e,n);return this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e=Ne){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Rn.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i=Rn.workingColorSpace){return this.r=t,this.g=e,this.b=n,Rn.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i=Rn.workingColorSpace){if(t=hn(t,1),e=cn(e,0,1),n=cn(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=or(r,i,t+1/3),this.g=or(r,i,t),this.b=or(r,i,t-1/3)}return Rn.toWorkingColorSpace(this,i),this}setStyle(t,e=Ne){function n(t){void 0!==t&&parseFloat(t)}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(t)){let t;const r=i[1],a=i[2];switch(r){case"rgb":case"rgba":if(t=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(t[4]),this.setRGB(Math.min(255,parseInt(t[1],10))/255,Math.min(255,parseInt(t[2],10))/255,Math.min(255,parseInt(t[3],10))/255,e);if(t=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(t[4]),this.setRGB(Math.min(100,parseInt(t[1],10))/100,Math.min(100,parseInt(t[2],10))/100,Math.min(100,parseInt(t[3],10))/100,e);break;case"hsl":case"hsla":if(t=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(a))return n(t[4]),this.setHSL(parseFloat(t[1])/360,parseFloat(t[2])/100,parseFloat(t[3])/100,e);break;default:}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(t)){const t=i[1],n=t.length;if(3===n)return this.setRGB(parseInt(t.charAt(0),16)/15,parseInt(t.charAt(1),16)/15,parseInt(t.charAt(2),16)/15,e);if(6===n)return this.setHex(parseInt(t,16),e)}else if(t&&t.length>0)return this.setColorName(t,e);return this}setColorName(t,e=Ne){const n=rr[t.toLowerCase()];return void 0!==n&&this.setHex(n,e),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}copySRGBToLinear(t){return this.r=Cn(t.r),this.g=Cn(t.g),this.b=Cn(t.b),this}copyLinearToSRGB(t){return this.r=Pn(t.r),this.g=Pn(t.g),this.b=Pn(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t=Ne){return Rn.fromWorkingColorSpace(cr.copy(this),t),65536*Math.round(cn(255*cr.r,0,255))+256*Math.round(cn(255*cr.g,0,255))+Math.round(cn(255*cr.b,0,255))}getHexString(t=Ne){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e=Rn.workingColorSpace){Rn.fromWorkingColorSpace(cr.copy(this),e);const n=cr.r,i=cr.g,r=cr.b,a=Math.max(n,i,r),s=Math.min(n,i,r);let o,l;const c=(s+a)/2;if(s===a)o=0,l=0;else{const t=a-s;switch(l=c<=.5?t/(a+s):t/(2-a-s),a){case n:o=(i-r)/t+(i0!==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)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)}}toJSON(t){const e=void 0===t||"string"===typeof t;e&&(t={textures:{},images:{}});const n={metadata:{version:4.6,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.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.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.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.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()),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(t).uuid),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.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.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&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==v&&(n.blending=this.blending),this.side!==f&&(n.side=this.side),!0===this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=!0),this.blendSrc!==U&&(n.blendSrc=this.blendSrc),this.blendDst!==D&&(n.blendDst=this.blendDst),this.blendEquation!==E&&(n.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(n.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(n.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(n.blendAlpha=this.blendAlpha),this.depthFunc!==j&&(n.depthFunc=this.depthFunc),!1===this.depthTest&&(n.depthTest=this.depthTest),!1===this.depthWrite&&(n.depthWrite=this.depthWrite),!1===this.colorWrite&&(n.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(n.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==ke&&(n.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(n.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Ge&&(n.stencilFail=this.stencilFail),this.stencilZFail!==Ge&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==Ge&&(n.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(n.stencilWrite=this.stencilWrite),void 0!==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),void 0!==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.alphaHash&&(n.alphaHash=!0),!0===this.alphaToCoverage&&(n.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=!0),!0===this.forceSinglePass&&(n.forceSinglePass=!0),!0===this.wireframe&&(n.wireframe=!0),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=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(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.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,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.blendColor.copy(t.blendColor),this.blendAlpha=t.blendAlpha,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.alphaHash=t.alphaHash,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.forceSinglePass=t.forceSinglePass,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++}}class dr extends ur{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new lr(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=J,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,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.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.fog=t.fog,this}}const pr=new Wn,fr=new gn;class mr{constructor(t,e,n=!1){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=n,this.usage=Qe,this.updateRange={offset:0,count:-1},this.gpuType=wt,this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this.gpuType=t.gpuType,this}copyAt(t,e,n){t*=this.itemSize,n*=e.itemSize;for(let i=0,r=this.itemSize;i0&&(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 o in n){const e=n[o];t.data.attributes[o]=e.toJSON(t.data)}const i={};let r=!1;for(const o in this.morphAttributes){const e=this.morphAttributes[o],n=[];for(let i=0,r=e.length;i0&&(i[o]=n,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(t.data.groups=JSON.parse(JSON.stringify(a)));const s=this.boundingSphere;return null!==s&&(t.data.boundingSphere={center:s.center.toArray(),radius:s.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 l in i){const t=i[l];this.setAttribute(l,t.clone(e))}const r=t.morphAttributes;for(const l in r){const t=[],n=r[l];for(let i=0,r=n.length;i0){const t=e[n[0]];if(void 0!==t){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,n=t.length;e(t.far-t.near)**2)return}wr.copy(r).invert(),Rr.copy(t.ray).applyMatrix4(wr),null!==n.boundingBox&&!1===Rr.intersectsBox(n.boundingBox)||this._computeIntersections(t,e,Rr)}}_computeIntersections(t,e,n){let i;const r=this.geometry,a=this.material,s=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==s)if(Array.isArray(a))for(let p=0,f=u.length;pn.far?null:{distance:c,point:kr.clone(),object:t}}function jr(t,e,n,i,r,a,s,o,l,c){t.getVertexPosition(o,Lr),t.getVertexPosition(l,Ur),t.getVertexPosition(c,Dr);const h=Xr(t,e,n,i,Lr,Ur,Dr,Gr);if(h){r&&(Or.fromBufferAttribute(r,o),Fr.fromBufferAttribute(r,l),zr.fromBufferAttribute(r,c),h.uv=ir.getInterpolation(Gr,Lr,Ur,Dr,Or,Fr,zr,new gn)),a&&(Or.fromBufferAttribute(a,o),Fr.fromBufferAttribute(a,l),zr.fromBufferAttribute(a,c),h.uv1=ir.getInterpolation(Gr,Lr,Ur,Dr,Or,Fr,zr,new gn),h.uv2=h.uv1),s&&(Br.fromBufferAttribute(s,o),Vr.fromBufferAttribute(s,l),Hr.fromBufferAttribute(s,c),h.normal=ir.getInterpolation(Gr,Lr,Ur,Dr,Br,Vr,Hr,new Wn),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const t={a:o,b:l,c:c,normal:new Wn,materialIndex:0};ir.getNormal(Lr,Ur,Dr,t.normal),h.face=t}return h}class qr extends Ar{constructor(t=1,e=1,n=1,i=1,r=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};const s=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,n,i,r,a,p,f,m,g,_){const v=a/m,x=p/g,M=a/2,S=p/2,y=f/2,E=m+1,T=g+1;let b=0,A=0;const w=new Wn;for(let s=0;s0?1:-1,c.push(w.x,w.y,w.z),h.push(o/m),h.push(1-s/g),b+=1}}for(let s=0;s0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader,e.lights=this.lights,e.clipping=this.clipping;const n={};for(const i in this.extensions)!0===this.extensions[i]&&(n[i]=!0);return Object.keys(n).length>0&&(e.extensions=n),e}}class na extends Xi{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Mi,this.projectionMatrix=new Mi,this.projectionMatrixInverse=new Mi,this.coordinateSystem=en}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this.coordinateSystem=t.coordinateSystem,this}getWorldDirection(t){return super.getWorldDirection(t).negate()}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)}}class ia extends na{constructor(t=50,e=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,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*on*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*sn*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*on*Math.atan(Math.tan(.5*sn*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,a){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=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*sn*this.fov)/this.zoom,n=2*e,i=this.aspect*n,r=-.5*i;const a=this.view;if(null!==this.view&&this.view.enabled){const t=a.fullWidth,s=a.fullHeight;r+=a.offsetX*i/t,e-=a.offsetY*n/s,i*=a.width/t,n*=a.height/s}const s=this.filmOffset;0!==s&&(r+=t*s/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,e,e-n,t,this.far,this.coordinateSystem),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}}const ra=-90,aa=1;class sa extends Xi{constructor(t,e,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const i=new ia(ra,aa,t,e);i.layers=this.layers,this.add(i);const r=new ia(ra,aa,t,e);r.layers=this.layers,this.add(r);const a=new ia(ra,aa,t,e);a.layers=this.layers,this.add(a);const s=new ia(ra,aa,t,e);s.layers=this.layers,this.add(s);const o=new ia(ra,aa,t,e);o.layers=this.layers,this.add(o);const l=new ia(ra,aa,t,e);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const t=this.coordinateSystem,e=this.children.concat(),[n,i,r,a,s,o]=e;for(const l of e)this.remove(l);if(t===en)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),s.up.set(0,1,0),s.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else{if(t!==nn)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+t);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),s.up.set(0,-1,0),s.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1)}for(const l of e)this.add(l),l.updateMatrixWorld()}update(t,e){null===this.parent&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:i}=this;this.coordinateSystem!==t.coordinateSystem&&(this.coordinateSystem=t.coordinateSystem,this.updateCoordinateSystem());const[r,a,s,o,l,c]=this.children,h=t.getRenderTarget(),u=t.getActiveCubeFace(),d=t.getActiveMipmapLevel(),p=t.xr.enabled;t.xr.enabled=!1;const f=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,t.setRenderTarget(n,0,i),t.render(e,r),t.setRenderTarget(n,1,i),t.render(e,a),t.setRenderTarget(n,2,i),t.render(e,s),t.setRenderTarget(n,3,i),t.render(e,o),t.setRenderTarget(n,4,i),t.render(e,l),n.texture.generateMipmaps=f,t.setRenderTarget(n,5,i),t.render(e,c),t.setRenderTarget(h,u,d),t.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class oa extends Fn{constructor(t,e,n,i,r,a,s,o,l,c){t=void 0!==t?t:[],e=void 0!==e?e:ot,super(t,e,n,i,r,a,s,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class la extends Vn{constructor(t=1,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const n={width:t,height:t,depth:1},i=[n,n,n,n,n,n];void 0!==e.encoding&&(En("THREE.WebGLCubeRenderTarget: option.encoding has been replaced by option.colorSpace."),e.colorSpace=e.encoding===Re?Ne:De),this.texture=new oa(i,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:vt}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.colorSpace=e.colorSpace,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 qr(5,5,5),r=new ea({name:"CubemapFromEquirect",uniforms:Yr(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:m,blending:_});r.uniforms.tEquirect.value=e;const a=new Wr(i,r),s=e.minFilter;e.minFilter===Mt&&(e.minFilter=vt);const o=new sa(1,10,this);return o.update(t,a),e.minFilter=s,a.geometry.dispose(),a.material.dispose(),this}clear(t,e,n,i){const r=t.getRenderTarget();for(let a=0;a<6;a++)t.setRenderTarget(this,a),t.clear(e,n,i);t.setRenderTarget(r)}}const ca=new Wn,ha=new Wn,ua=new _n;class da{constructor(t=new Wn(1,0,0),e=0){this.isPlane=!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=ca.subVectors(n,e).cross(ha.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(t).addScaledVector(this.normal,-this.distanceToPoint(t))}intersectLine(t,e){const n=t.delta(ca),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(t.start).addScaledVector(n,r)}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||ua.getNormalMatrix(t),i=this.coplanarPoint(ca).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)}}const pa=new ui,fa=new Wn;class ma{constructor(t=new da,e=new da,n=new da,i=new da,r=new da,a=new da){this.planes=[t,e,n,i,r,a]}set(t,e,n,i,r,a){const s=this.planes;return s[0].copy(t),s[1].copy(e),s[2].copy(n),s[3].copy(i),s[4].copy(r),s[5].copy(a),this}copy(t){const e=this.planes;for(let n=0;n<6;n++)e[n].copy(t.planes[n]);return this}setFromProjectionMatrix(t,e=en){const n=this.planes,i=t.elements,r=i[0],a=i[1],s=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],f=i[10],m=i[11],g=i[12],_=i[13],v=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,m-d,x-g).normalize(),n[1].setComponents(o+r,u+l,m+d,x+g).normalize(),n[2].setComponents(o+a,u+c,m+p,x+_).normalize(),n[3].setComponents(o-a,u-c,m-p,x-_).normalize(),n[4].setComponents(o-s,u-h,m-f,x-v).normalize(),e===en)n[5].setComponents(o+s,u+h,m+f,x+v).normalize();else{if(e!==nn)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+e);n[5].setComponents(s,h,f,v).normalize()}return this}intersectsObject(t){if(void 0!==t.boundingSphere)null===t.boundingSphere&&t.computeBoundingSphere(),pa.copy(t.boundingSphere).applyMatrix4(t.matrixWorld);else{const e=t.geometry;null===e.boundingSphere&&e.computeBoundingSphere(),pa.copy(e.boundingSphere).applyMatrix4(t.matrixWorld)}return this.intersectsSphere(pa)}intersectsSprite(t){return pa.center.set(0,0,0),pa.radius=.7071067811865476,pa.applyMatrix4(t.matrixWorld),this.intersectsSphere(pa)}intersectsSphere(t){const e=this.planes,n=t.center,i=-t.radius;for(let r=0;r<6;r++){const t=e[r].distanceToPoint(n);if(t0?t.max.x:t.min.x,fa.y=i.normal.y>0?t.max.y:t.min.y,fa.z=i.normal.z>0?t.max.z:t.min.z,i.distanceToPoint(fa)<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 ga(){let t=null,e=!1,n=null,i=null;function r(e,a){n(e,a),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 _a(t,e){const n=e.isWebGL2,i=new WeakMap;function r(e,i){const r=e.array,a=e.usage,s=t.createBuffer();let o;if(t.bindBuffer(i,s),t.bufferData(i,r,a),e.onUploadCallback(),r instanceof Float32Array)o=t.FLOAT;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=t.HALF_FLOAT}else o=t.UNSIGNED_SHORT;else if(r instanceof Int16Array)o=t.SHORT;else if(r instanceof Uint32Array)o=t.UNSIGNED_INT;else if(r instanceof Int32Array)o=t.INT;else if(r instanceof Int8Array)o=t.BYTE;else if(r instanceof Uint8Array)o=t.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=t.UNSIGNED_BYTE}return{buffer:s,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}function a(e,i,r){const a=i.array,s=i.updateRange;t.bindBuffer(r,e),-1===s.count?t.bufferSubData(r,0,a):(n?t.bufferSubData(r,s.offset*a.BYTES_PER_ELEMENT,a,s.offset,s.count):t.bufferSubData(r,s.offset*a.BYTES_PER_ELEMENT,a.subarray(s.offset,s.offset+s.count)),s.count=-1),i.onUploadCallback()}function s(t){return t.isInterleavedBufferAttribute&&(t=t.data),i.get(t)}function o(e){e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);n&&(t.deleteBuffer(n.buffer),i.delete(e))}function l(t,e){if(t.isGLBufferAttribute){const e=i.get(t);return void((!e||e.version0;x=(t?n:e).get(x)}null===x?_(o,h):x&&x.isColor&&(_(x,1),v=!0);const M=t.xr.getEnvironmentBlendMode();"additive"===M?i.buffers.color.setClear(0,0,0,1,s):"alpha-blend"===M&&i.buffers.color.setClear(0,0,0,0,s),(t.autoClear||v)&&t.clear(t.autoClearColor,t.autoClearDepth,t.autoClearStencil),x&&(x.isCubeTexture||x.mapping===ut)?(void 0===c&&(c=new Wr(new qr(1,1,1),new ea({name:"BackgroundCubeMaterial",uniforms:Yr($o.backgroundCube.uniforms),vertexShader:$o.backgroundCube.vertexShader,fragmentShader:$o.backgroundCube.fragmentShader,side:m,depthTest:!1,depthWrite:!1,fog:!1})),c.geometry.deleteAttribute("normal"),c.geometry.deleteAttribute("uv"),c.onBeforeRender=function(t,e,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(c.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),r.update(c)),c.material.uniforms.envMap.value=x,c.material.uniforms.flipEnvMap.value=x.isCubeTexture&&!1===x.isRenderTargetTexture?-1:1,c.material.uniforms.backgroundBlurriness.value=g.backgroundBlurriness,c.material.uniforms.backgroundIntensity.value=g.backgroundIntensity,c.material.toneMapped=Rn.getTransfer(x.colorSpace)!==Be,u===x&&d===x.version&&p===t.toneMapping||(c.material.needsUpdate=!0,u=x,d=x.version,p=t.toneMapping),c.layers.enableAll(),a.unshift(c,c.geometry,c.material,0,0,null)):x&&x.isTexture&&(void 0===l&&(l=new Wr(new va(2,2),new ea({name:"BackgroundMaterial",uniforms:Yr($o.background.uniforms),vertexShader:$o.background.vertexShader,fragmentShader:$o.background.fragmentShader,side:f,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),Object.defineProperty(l.material,"map",{get:function(){return this.uniforms.t2D.value}}),r.update(l)),l.material.uniforms.t2D.value=x,l.material.uniforms.backgroundIntensity.value=g.backgroundIntensity,l.material.toneMapped=Rn.getTransfer(x.colorSpace)!==Be,!0===x.matrixAutoUpdate&&x.updateMatrix(),l.material.uniforms.uvTransform.value.copy(x.matrix),u===x&&d===x.version&&p===t.toneMapping||(l.material.needsUpdate=!0,u=x,d=x.version,p=t.toneMapping),l.layers.enableAll(),a.unshift(l,l.geometry,l.material,0,0,null))}function _(e,n){e.getRGB(tl,Jr(t)),i.buffers.color.setClear(tl.r,tl.g,tl.b,n,s)}return{getClearColor:function(){return o},setClearColor:function(t,e=1){o.set(t),h=e,_(o,h)},getClearAlpha:function(){return h},setClearAlpha:function(t){h=t,_(o,h)},render:g}}function nl(t,e,n,i){const r=t.getParameter(t.MAX_VERTEX_ATTRIBS),a=i.isWebGL2?null:e.get("OES_vertex_array_object"),s=i.isWebGL2||null!==a,o={},l=g(null);let c=l,h=!1;function u(e,i,r,a,o){let l=!1;if(s){const t=m(a,r,i);c!==t&&(c=t,p(c.object)),l=_(e,a,r,o),l&&v(e,a,r,o)}else{const t=!0===i.wireframe;c.geometry===a.id&&c.program===r.id&&c.wireframe===t||(c.geometry=a.id,c.program=r.id,c.wireframe=t,l=!0)}null!==o&&n.update(o,t.ELEMENT_ARRAY_BUFFER),(l||h)&&(h=!1,T(e,i,r,a),null!==o&&t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,n.get(o).buffer))}function d(){return i.isWebGL2?t.createVertexArray():a.createVertexArrayOES()}function p(e){return i.isWebGL2?t.bindVertexArray(e):a.bindVertexArrayOES(e)}function f(e){return i.isWebGL2?t.deleteVertexArray(e):a.deleteVertexArrayOES(e)}function m(t,e,n){const i=!0===n.wireframe;let r=o[t.id];void 0===r&&(r={},o[t.id]=r);let a=r[e.id];void 0===a&&(a={},r[e.id]=a);let s=a[i];return void 0===s&&(s=g(d()),a[i]=s),s}function g(t){const e=[],n=[],i=[];for(let a=0;a=0){const e=r[l];let n=a[l];if(void 0===n&&("instanceMatrix"===l&&t.instanceMatrix&&(n=t.instanceMatrix),"instanceColor"===l&&t.instanceColor&&(n=t.instanceColor)),void 0===e)return!0;if(e.attribute!==n)return!0;if(n&&e.data!==n.data)return!0;s++}}return c.attributesNum!==s||c.index!==i}function v(t,e,n,i){const r={},a=e.attributes;let s=0;const o=n.getAttributes();for(const l in o){const e=o[l];if(e.location>=0){let e=a[l];void 0===e&&("instanceMatrix"===l&&t.instanceMatrix&&(e=t.instanceMatrix),"instanceColor"===l&&t.instanceColor&&(e=t.instanceColor));const n={};n.attribute=e,e&&e.data&&(n.data=e.data),r[l]=n,s++}}c.attributes=r,c.attributesNum=s,c.index=i}function x(){const t=c.newAttributes;for(let e=0,n=t.length;e=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,l=s.itemSize,c=n.get(s);if(void 0===c)continue;const h=c.buffer,u=c.type,d=c.bytesPerElement,p=!0===i.isWebGL2&&(u===t.INT||u===t.UNSIGNED_INT||s.gpuType===bt);if(s.isInterleavedBufferAttribute){const n=s.data,i=n.stride,c=s.offset;if(n.isInstancedInterleavedBuffer){for(let t=0;t0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.HIGH_FLOAT).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(t.VERTEX_SHADER,t.MEDIUM_FLOAT).precision>0&&t.getShaderPrecisionFormat(t.FRAGMENT_SHADER,t.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}const s="undefined"!==typeof WebGL2RenderingContext&&"WebGL2RenderingContext"===t.constructor.name;let o=void 0!==n.precision?n.precision:"highp";const l=a(o);l!==o&&(o=l);const c=s||e.has("WEBGL_draw_buffers"),h=!0===n.logarithmicDepthBuffer,u=t.getParameter(t.MAX_TEXTURE_IMAGE_UNITS),d=t.getParameter(t.MAX_VERTEX_TEXTURE_IMAGE_UNITS),p=t.getParameter(t.MAX_TEXTURE_SIZE),f=t.getParameter(t.MAX_CUBE_MAP_TEXTURE_SIZE),m=t.getParameter(t.MAX_VERTEX_ATTRIBS),g=t.getParameter(t.MAX_VERTEX_UNIFORM_VECTORS),_=t.getParameter(t.MAX_VARYING_VECTORS),v=t.getParameter(t.MAX_FRAGMENT_UNIFORM_VECTORS),x=d>0,M=s||e.has("OES_texture_float"),S=x&&M,y=s?t.getParameter(t.MAX_SAMPLES):0;return{isWebGL2:s,drawBuffers:c,getMaxAnisotropy:r,getMaxPrecision:a,precision:o,logarithmicDepthBuffer:h,maxTextures:u,maxVertexTextures:d,maxTextureSize:p,maxCubemapSize:f,maxAttributes:m,maxVertexUniforms:g,maxVaryings:_,maxFragmentUniforms:v,vertexTextures:x,floatFragmentTextures:M,floatVertexTextures:S,maxSamples:y}}function al(t){const e=this;let n=null,i=0,r=!1,a=!1;const s=new da,o=new _n,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 a=null!==t?t.length:0;let c=null;if(0!==a){if(c=l.value,!0!==r||null===c){const e=i+4*a,r=n.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length0){const s=new la(a.height/2);return s.fromEquirectangularTexture(t,i),e.set(i,s),i.addEventListener("dispose",r),n(s.texture,i.mapping)}return null}}}return i}function r(t){const n=t.target;n.removeEventListener("dispose",r);const i=e.get(n);void 0!==i&&(e.delete(n),i.dispose())}function a(){e=new WeakMap}return{get:i,dispose:a}}class ol extends na{constructor(t=-1,e=1,n=1,i=-1,r=.1,a=2e3){super(),this.isOrthographicCamera=!0,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=a,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,a){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=a,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,a=n+t,s=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,a=r+t*this.view.width,s-=e*this.view.offsetY,o=s-e*this.view.height}this.projectionMatrix.makeOrthographic(r,a,s,o,this.near,this.far,this.coordinateSystem),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}}const ll=4,cl=[.125,.215,.35,.446,.526,.582],hl=20,ul=new ol,dl=new lr;let pl=null,fl=0,ml=0;const gl=(1+Math.sqrt(5))/2,_l=1/gl,vl=[new Wn(1,1,1),new Wn(-1,1,1),new Wn(1,1,-1),new Wn(-1,1,-1),new Wn(0,gl,_l),new Wn(0,gl,-_l),new Wn(_l,0,gl),new Wn(-_l,0,gl),new Wn(gl,_l,0),new Wn(-gl,_l,0)];class xl{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,n=.1,i=100){pl=this._renderer.getRenderTarget(),fl=this._renderer.getActiveCubeFace(),ml=this._renderer.getActiveMipmapLevel(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,n,i,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=bl(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Tl(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t2?n:0,n,n),c.setRenderTarget(i),f&&c.render(p,s),c.render(t,s)}p.geometry.dispose(),p.material.dispose(),c.toneMapping=u,c.autoClear=h,t.background=g}_textureToCubeUV(t,e){const n=this._renderer,i=t.mapping===ot||t.mapping===lt;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=bl()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Tl());const r=i?this._cubemapMaterial:this._equirectMaterial,a=new Wr(this._lodPlanes[0],r),s=r.uniforms;s["envMap"].value=t;const o=this._cubeSize;yl(e,0,0,3*o,2*o),n.setRenderTarget(e),n.render(a,ul)}_applyPMREM(t){const e=this._renderer,n=e.autoClear;e.autoClear=!1;for(let i=1;iv-ll?i-v+ll:0),S=4*(this._cubeSize-x);yl(e,M,S,3*x,2*x),o.setRenderTarget(e),o.render(h,ul)}}function Ml(t){const e=[],n=[],i=[];let r=t;const a=t-ll+1+cl.length;for(let s=0;st-ll?o=cl[s-t+ll-1]:0===s&&(o=0),i.push(o);const l=1/(a-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,f=3,m=2,g=1,_=new Float32Array(f*p*d),v=new Float32Array(m*p*d),x=new Float32Array(g*p*d);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];_.set(i,f*p*t),v.set(u,m*p*t);const r=[t,t,t,t,t,t];x.set(r,g*p*t)}const M=new Ar;M.setAttribute("position",new mr(_,f)),M.setAttribute("uv",new mr(v,m)),M.setAttribute("faceIndex",new mr(x,g)),e.push(M),r>ll&&r--}return{lodPlanes:e,sizeLods:n,sigmas:i}}function Sl(t,e,n){const i=new Vn(t,e,n);return i.texture.mapping=ut,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function yl(t,e,n,i,r){t.viewport.set(e,n,i,r),t.scissor.set(e,n,i,r)}function El(t,e,n){const i=new Float32Array(hl),r=new Wn(0,1,0),a=new ea({name:"SphericalGaussianBlur",defines:{n:hl,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Al(),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#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, 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y(t,e){o.disableAll(),e.isWebGL2&&o.enable(0),e.supportsVertexTextures&&o.enable(1),e.instancing&&o.enable(2),e.instancingColor&&o.enable(3),e.matcap&&o.enable(4),e.envMap&&o.enable(5),e.normalMapObjectSpace&&o.enable(6),e.normalMapTangentSpace&&o.enable(7),e.clearcoat&&o.enable(8),e.iridescence&&o.enable(9),e.alphaTest&&o.enable(10),e.vertexColors&&o.enable(11),e.vertexAlphas&&o.enable(12),e.vertexUv1s&&o.enable(13),e.vertexUv2s&&o.enable(14),e.vertexUv3s&&o.enable(15),e.vertexTangents&&o.enable(16),e.anisotropy&&o.enable(17),e.alphaHash&&o.enable(18),t.push(o.mask),o.disableAll(),e.fog&&o.enable(0),e.useFog&&o.enable(1),e.flatShading&&o.enable(2),e.logarithmicDepthBuffer&&o.enable(3),e.skinning&&o.enable(4),e.morphTargets&&o.enable(5),e.morphNormals&&o.enable(6),e.morphColors&&o.enable(7),e.premultipliedAlpha&&o.enable(8),e.shadowMapEnabled&&o.enable(9),e.useLegacyLights&&o.enable(10),e.doubleSided&&o.enable(11),e.flipSided&&o.enable(12),e.useDepthPacking&&o.enable(13),e.dithering&&o.enable(14),e.transmission&&o.enable(15),e.sheen&&o.enable(16),e.opaque&&o.enable(17),e.pointsUvs&&o.enable(18),e.decodeVideoTexture&&o.enable(19),t.push(o.mask)}function E(t){const e=f[t.type];let n;if(e){const t=$o[e];n=Qr.clone(t.uniforms)}else n=t.uniforms;return n}function T(e,n){let i;for(let t=0,r=c.length;t0?i.push(h):!0===a.transparent?r.push(h):n.push(h)}function l(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?i.unshift(h):!0===a.transparent?r.unshift(h):n.unshift(h)}function c(t,e){n.length>1&&n.sort(t||Sh),i.length>1&&i.sort(e||yh),r.length>1&&r.sort(e||yh)}function h(){for(let n=e,i=t.length;n=i.length?(r=new Eh,i.push(r)):r=i[n],r}function n(){t=new WeakMap}return{get:e,dispose:n}}function bh(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let n;switch(e.type){case"DirectionalLight":n={direction:new Wn,color:new lr};break;case"SpotLight":n={position:new Wn,direction:new Wn,color:new lr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Wn,color:new lr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Wn,skyColor:new lr,groundColor:new 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t=0,e=a.length;t0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=Qo.LTC_FLOAT_1,r.rectAreaLTC2=Qo.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")&&(r.rectAreaLTC1=Qo.LTC_HALF_1,r.rectAreaLTC2=Qo.LTC_HALF_2)),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=c;const y=r.hash;y.directionalLength===h&&y.pointLength===u&&y.spotLength===d&&y.rectAreaLength===p&&y.hemiLength===f&&y.numDirectionalShadows===m&&y.numPointShadows===g&&y.numSpotShadows===_&&y.numSpotMaps===v&&y.numLightProbes===M||(r.directional.length=h,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=f,r.directionalShadow.length=m,r.directionalShadowMap.length=m,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=_,r.spotShadowMap.length=_,r.directionalShadowMatrix.length=m,r.pointShadowMatrix.length=g,r.spotLightMatrix.length=_+v-x,r.spotLightMap.length=v,r.numSpotLightShadowsWithMaps=x,r.numLightProbes=M,y.directionalLength=h,y.pointLength=u,y.spotLength=d,y.rectAreaLength=p,y.hemiLength=f,y.numDirectionalShadows=m,y.numPointShadows=g,y.numSpotShadows=_,y.numSpotMaps=v,y.numLightProbes=M,r.version=wh++)}function c(t,e){let n=0,i=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let d=0,p=t.length;d=a.length?(s=new Ph(t,e),a.push(s)):s=a[r],s}function r(){n=new WeakMap}return{get:i,dispose:r}}class Uh extends ur{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=Ce,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=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}}class Dh extends ur{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}const Nh="void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",Ih="uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\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}";function Oh(t,e,n){let i=new ma;const r=new gn,a=new gn,s=new zn,o=new Uh({depthPacking:Pe}),l=new Dh,c={},h=n.maxTextureSize,d={[f]:m,[m]:f,[g]:g},v=new ea({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new gn},radius:{value:4}},vertexShader:Nh,fragmentShader:Ih}),x=v.clone();x.defines.HORIZONTAL_PASS=1;const M=new Ar;M.setAttribute("position",new mr(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const S=new Wr(M,v),y=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=u;let E=this.type;function T(n,i){const 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i=tt(n);et(n)?u.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,i,r,n.width,n.height):t.renderbufferStorageMultisample(t.RENDERBUFFER,i,r,n.width,n.height)}else t.renderbufferStorage(t.RENDERBUFFER,r,n.width,n.height);t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_ATTACHMENT,t.RENDERBUFFER,e)}else if(n.depthBuffer&&n.stencilBuffer){const r=tt(n);i&&!1===et(n)?t.renderbufferStorageMultisample(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,n.width,n.height):et(n)?u.renderbufferStorageMultisampleEXT(t.RENDERBUFFER,r,t.DEPTH24_STENCIL8,n.width,n.height):t.renderbufferStorage(t.RENDERBUFFER,t.DEPTH_STENCIL,n.width,n.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.DEPTH_STENCIL_ATTACHMENT,t.RENDERBUFFER,e)}else{const e=!0===n.isWebGLMultipleRenderTargets?n.texture:[n.texture];for(let r=0;r0){c.__webglFramebuffer[e]=[];for(let n=0;n0){c.__webglFramebuffer=[];for(let e=0;e0&&!1===et(e)){const i=d?l:[l];c.__webglMultisampledFramebuffer=t.createFramebuffer(),c.__webglColorRenderbuffer=[],n.bindFramebuffer(t.FRAMEBUFFER,c.__webglMultisampledFramebuffer);for(let n=0;n0)for(let i=0;i0)for(let n=0;n0&&!1===et(e)){const r=e.isWebGLMultipleRenderTargets?e.texture:[e.texture],a=e.width,s=e.height;let o=t.COLOR_BUFFER_BIT;const l=[],c=e.stencilBuffer?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT,h=i.get(e),u=!0===e.isWebGLMultipleRenderTargets;if(u)for(let e=0;e0&&!0===e.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function nt(t){const e=s.render.frame;p.get(t)!==e&&(p.set(t,e),t.update())}function it(t,n){const i=t.colorSpace,r=t.format;t.type;return!0===t.isCompressedTexture||!0===t.isVideoTexture||t.format===tn||i!==Ie&&i!==De&&Rn.getTransfer(i)===Be&&!1===o&&(!0===e.has("EXT_sRGB")&&r===Dt?(t.format=tn,t.minFilter=vt,t.generateMipmaps=!1):n=Un.sRGBToLinear(n)),n}this.allocateTextureUnit=D,this.resetTextureUnits=U,this.setTexture2D=I,this.setTexture2DArray=O,this.setTexture3D=F,this.setTextureCube=z,this.rebindTextures=Z,this.setupRenderTarget=J,this.updateRenderTargetMipmap=Q,this.updateMultisampleRenderTarget=$,this.setupDepthRenderbuffer=K,this.setupFrameBufferTexture=j,this.useMultisampledRTT=et}function Bh(t,e,n){const i=n.isWebGL2;function r(n,r=De){let a;const s=Rn.getTransfer(r);if(n===St)return t.UNSIGNED_BYTE;if(n===Ct)return t.UNSIGNED_SHORT_4_4_4_4;if(n===Pt)return t.UNSIGNED_SHORT_5_5_5_1;if(n===yt)return t.BYTE;if(n===Et)return t.SHORT;if(n===Tt)return t.UNSIGNED_SHORT;if(n===bt)return t.INT;if(n===At)return t.UNSIGNED_INT;if(n===wt)return t.FLOAT;if(n===Rt)return i?t.HALF_FLOAT:(a=e.get("OES_texture_half_float"),null!==a?a.HALF_FLOAT_OES:null);if(n===Ut)return t.ALPHA;if(n===Dt)return t.RGBA;if(n===Nt)return t.LUMINANCE;if(n===It)return t.LUMINANCE_ALPHA;if(n===Ot)return t.DEPTH_COMPONENT;if(n===Ft)return t.DEPTH_STENCIL;if(n===tn)return a=e.get("EXT_sRGB"),null!==a?a.SRGB_ALPHA_EXT:null;if(n===zt)return t.RED;if(n===Bt)return t.RED_INTEGER;if(n===Vt)return t.RG;if(n===Ht)return t.RG_INTEGER;if(n===Gt)return t.RGBA_INTEGER;if(n===kt||n===Wt||n===Xt||n===jt)if(s===Be){if(a=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===a)return null;if(n===kt)return a.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===Wt)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===Xt)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===jt)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(a=e.get("WEBGL_compressed_texture_s3tc"),null===a)return null;if(n===kt)return a.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===Wt)return a.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===Xt)return a.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===jt)return a.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===qt||n===Yt||n===Kt||n===Zt){if(a=e.get("WEBGL_compressed_texture_pvrtc"),null===a)return null;if(n===qt)return a.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===Yt)return a.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===Kt)return a.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===Zt)return a.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(n===Jt)return a=e.get("WEBGL_compressed_texture_etc1"),null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null;if(n===Qt||n===$t){if(a=e.get("WEBGL_compressed_texture_etc"),null===a)return null;if(n===Qt)return s===Be?a.COMPRESSED_SRGB8_ETC2:a.COMPRESSED_RGB8_ETC2;if(n===$t)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:a.COMPRESSED_RGBA8_ETC2_EAC}if(n===te||n===ee||n===ne||n===ie||n===re||n===ae||n===se||n===oe||n===le||n===ce||n===he||n===ue||n===de||n===pe){if(a=e.get("WEBGL_compressed_texture_astc"),null===a)return null;if(n===te)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:a.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===ee)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:a.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===ne)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:a.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===ie)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:a.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===re)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:a.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===ae)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:a.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===se)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:a.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===oe)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:a.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===le)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:a.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===ce)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:a.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===he)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:a.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===ue)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:a.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===de)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:a.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===pe)return s===Be?a.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:a.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===fe||n===me||n===ge){if(a=e.get("EXT_texture_compression_bptc"),null===a)return null;if(n===fe)return s===Be?a.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:a.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(n===me)return a.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(n===ge)return a.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(n===_e||n===ve||n===xe||n===Me){if(a=e.get("EXT_texture_compression_rgtc"),null===a)return null;if(n===fe)return a.COMPRESSED_RED_RGTC1_EXT;if(n===ve)return a.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===xe)return a.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===Me)return a.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===Lt?i?t.UNSIGNED_INT_24_8:(a=e.get("WEBGL_depth_texture"),null!==a?a.UNSIGNED_INT_24_8_WEBGL:null):void 0!==t[n]?t[n]:null}return{convert:r}}class Vh extends ia{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Hh extends Xi{constructor(){super(),this.isGroup=!0,this.type="Group"}}const Gh={type:"move"};class kh{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Hh,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Hh,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Wn,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Wn),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Hh,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Wn,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Wn),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}connect(t){if(t&&t.hand){const e=this._hand;if(e)for(const n of t.hand.values())this._getHandJoint(e,n)}return this.dispatchEvent({type:"connected",data:t}),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,n){let i=null,r=null,a=null;const s=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(l&&t.hand){a=!0;for(const a of t.hand.values()){const t=e.getJointPose(a,n),i=this._getHandJoint(l,a);null!==t&&(i.matrix.fromArray(t.transform.matrix),i.matrix.decompose(i.position,i.rotation,i.scale),i.matrixWorldNeedsUpdate=!0,i.jointRadius=t.radius),i.visible=null!==t}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],s=i.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&s>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&s<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,n),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==s&&(i=e.getPose(t.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),s.matrixWorldNeedsUpdate=!0,i.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(i.linearVelocity)):s.hasLinearVelocity=!1,i.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(i.angularVelocity)):s.hasAngularVelocity=!1,this.dispatchEvent(Gh)))}return null!==s&&(s.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==a),this}_getHandJoint(t,e){if(void 0===t.joints[e.jointName]){const n=new Hh;n.matrixAutoUpdate=!1,n.visible=!1,t.joints[e.jointName]=n,t.add(n)}return t.joints[e.jointName]}}class Wh extends Fn{constructor(t,e,n,i,r,a,s,o,l,c){if(c=void 0!==c?c:Ot,c!==Ot&&c!==Ft)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&c===Ot&&(n=At),void 0===n&&c===Ft&&(n=Lt),super(null,i,r,a,s,o,c,n,l),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==s?s:mt,this.minFilter=void 0!==o?o:mt,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(t){return super.copy(t),this.compareFunction=t.compareFunction,this}toJSON(t){const e=super.toJSON(t);return null!==this.compareFunction&&(e.compareFunction=this.compareFunction),e}}class Xh extends rn{constructor(t,e){super();const n=this;let i=null,r=1,a=null,s="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const f=e.getContextAttributes();let m=null,g=null;const _=[],v=[],x=new ia;x.layers.enable(1),x.viewport=new zn;const M=new ia;M.layers.enable(2),M.viewport=new zn;const S=[x,M],y=new Vh;y.layers.enable(1),y.layers.enable(2);let E=null,T=null;function b(t){const e=v.indexOf(t.inputSource);if(-1===e)return;const n=_[e];void 0!==n&&(n.update(t.inputSource,t.frame,l||a),n.dispatchEvent({type:t.type,data:t.inputSource}))}function A(){i.removeEventListener("select",b),i.removeEventListener("selectstart",b),i.removeEventListener("selectend",b),i.removeEventListener("squeeze",b),i.removeEventListener("squeezestart",b),i.removeEventListener("squeezeend",b),i.removeEventListener("end",A),i.removeEventListener("inputsourceschange",w);for(let t=0;t<_.length;t++){const e=v[t];null!==e&&(v[t]=null,_[t].disconnect(e))}E=null,T=null,t.setRenderTarget(m),d=null,u=null,h=null,i=null,g=null,I.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function w(t){for(let e=0;e=0&&(v[i]=null,_[i].disconnect(n))}for(let e=0;e=v.length){v.push(n),i=t;break}if(null===v[t]){v[t]=n,i=t;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=_[t];return void 0===e&&(e=new kh,_[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=_[t];return void 0===e&&(e=new kh,_[t]=e),e.getGripSpace()},this.getHand=function(t){let e=_[t];return void 0===e&&(e=new kh,_[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,n.isPresenting},this.setReferenceSpaceType=function(t){s=t,n.isPresenting},this.getReferenceSpace=function(){return l||a},this.setReferenceSpace=function(t){l=t},this.getBaseLayer=function(){return null!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(m=t.getRenderTarget(),i.addEventListener("select",b),i.addEventListener("selectstart",b),i.addEventListener("selectend",b),i.addEventListener("squeeze",b),i.addEventListener("squeezestart",b),i.addEventListener("squeezeend",b),i.addEventListener("end",A),i.addEventListener("inputsourceschange",w),!0!==f.xrCompatible&&await e.makeXRCompatible(),void 0===i.renderState.layers||!1===t.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,e,n),i.updateRenderState({baseLayer:d}),g=new Vn(d.framebufferWidth,d.framebufferHeight,{format:Dt,type:St,colorSpace:t.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,a=null,s=null;f.depth&&(s=f.stencil?e.DEPTH24_STENCIL8:e.DEPTH_COMPONENT24,n=f.stencil?Ft:Ot,a=f.stencil?Lt:At);const o={colorFormat:e.RGBA8,depthFormat:s,scaleFactor:r};h=new XRWebGLBinding(i,e),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),g=new Vn(u.textureWidth,u.textureHeight,{format:Dt,type:St,depthTexture:new Wh(u.textureWidth,u.textureHeight,a,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:t.outputColorSpace,samples:f.antialias?4:0});const l=t.properties.get(g);l.__ignoreDepthValues=u.ignoreDepthValues}g.isXRRenderTarget=!0,this.setFoveation(o),l=null,a=await i.requestReferenceSpace(s),I.setContext(i),I.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode};const R=new Wn,C=new Wn;function P(t,e,n){R.setFromMatrixPosition(e.matrixWorld),C.setFromMatrixPosition(n.matrixWorld);const i=R.distanceTo(C),r=e.projectionMatrix.elements,a=n.projectionMatrix.elements,s=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(a[8]+1)/a[0],d=s*h,p=s*u,f=i/(-h+u),m=f*-h;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(m),t.translateZ(f),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=s+f,_=o+f,v=d-m,x=p+(i-m),M=l*o/_*g,S=c*o/_*g;t.projectionMatrix.makePerspective(v,x,M,S,g,_),t.projectionMatrixInverse.copy(t.projectionMatrix).invert()}function L(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}function U(t,e,n){null===n?t.matrix.copy(e.matrixWorld):(t.matrix.copy(n.matrixWorld),t.matrix.invert(),t.matrix.multiply(e.matrixWorld)),t.matrix.decompose(t.position,t.quaternion,t.scale),t.updateMatrixWorld(!0),t.projectionMatrix.copy(e.projectionMatrix),t.projectionMatrixInverse.copy(e.projectionMatrixInverse),t.isPerspectiveCamera&&(t.fov=2*on*Math.atan(1/t.projectionMatrix.elements[5]),t.zoom=1)}this.updateCamera=function(t){if(null===i)return;y.near=M.near=x.near=t.near,y.far=M.far=x.far=t.far,E===y.near&&T===y.far||(i.updateRenderState({depthNear:y.near,depthFar:y.far}),E=y.near,T=y.far);const e=t.parent,n=y.cameras;L(y,e);for(let i=0;i0&&(i.alphaTest.value=r.alphaTest);const a=e.get(r).envMap;if(a&&(i.envMap.value=a,i.flipEnvMap.value=a.isCubeTexture&&!1===a.isRenderTargetTexture?-1:1,i.reflectivity.value=r.reflectivity,i.ior.value=r.ior,i.refractionRatio.value=r.refractionRatio),r.lightMap){i.lightMap.value=r.lightMap;const e=!0===t._useLegacyLights?Math.PI:1;i.lightMapIntensity.value=r.lightMapIntensity*e,n(r.lightMap,i.lightMapTransform)}r.aoMap&&(i.aoMap.value=r.aoMap,i.aoMapIntensity.value=r.aoMapIntensity,n(r.aoMap,i.aoMapTransform))}function s(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,e.map&&(t.map.value=e.map,n(e.map,t.mapTransform))}function o(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}function l(t,e,i,r){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*r,e.map&&(t.map.value=e.map,n(e.map,t.uvTransform)),e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform)),e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}function c(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,n(e.map,t.mapTransform)),e.alphaMap&&(t.alphaMap.value=e.alphaMap,n(e.alphaMap,t.alphaMapTransform)),e.alphaTest>0&&(t.alphaTest.value=e.alphaTest)}function h(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}function u(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}function d(t,i){t.metalness.value=i.metalness,i.metalnessMap&&(t.metalnessMap.value=i.metalnessMap,n(i.metalnessMap,t.metalnessMapTransform)),t.roughness.value=i.roughness,i.roughnessMap&&(t.roughnessMap.value=i.roughnessMap,n(i.roughnessMap,t.roughnessMapTransform));const r=e.get(i).envMap;r&&(t.envMapIntensity.value=i.envMapIntensity)}function p(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap,n(e.sheenColorMap,t.sheenColorMapTransform)),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap,n(e.sheenRoughnessMap,t.sheenRoughnessMapTransform))),e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap,n(e.clearcoatMap,t.clearcoatMapTransform)),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap,n(e.clearcoatRoughnessMap,t.clearcoatRoughnessMapTransform)),e.clearcoatNormalMap&&(t.clearcoatNormalMap.value=e.clearcoatNormalMap,n(e.clearcoatNormalMap,t.clearcoatNormalMapTransform),t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),e.side===m&&t.clearcoatNormalScale.value.negate())),e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap,n(e.iridescenceMap,t.iridescenceMapTransform)),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap,n(e.iridescenceThicknessMap,t.iridescenceThicknessMapTransform))),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,n(e.transmissionMap,t.transmissionMapTransform)),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap,n(e.thicknessMap,t.thicknessMapTransform)),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor)),e.anisotropy>0&&(t.anisotropyVector.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation)),e.anisotropyMap&&(t.anisotropyMap.value=e.anisotropyMap,n(e.anisotropyMap,t.anisotropyMapTransform))),t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap,n(e.specularColorMap,t.specularColorMapTransform)),e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap,n(e.specularIntensityMap,t.specularIntensityMapTransform))}function f(t,e){e.matcap&&(t.matcap.value=e.matcap)}function g(t,n){const i=e.get(n).light;t.referencePosition.value.setFromMatrixPosition(i.matrixWorld),t.nearDistance.value=i.shadow.camera.near,t.farDistance.value=i.shadow.camera.far}return{refreshFogUniforms:i,refreshMaterialUniforms:r}}function qh(t,e,n,i){let r={},a={},s=[];const o=n.isWebGL2?t.getParameter(t.MAX_UNIFORM_BUFFER_BINDINGS):0;function l(t,e){const n=e.program;i.uniformBlockBinding(t,n)}function c(t,n){let s=r[t.id];void 0===s&&(f(t),s=h(t),r[t.id]=s,t.addEventListener("dispose",g));const o=n.program;i.updateUBOMapping(t,o);const l=e.render.frame;a[t.id]!==l&&(d(t),a[t.id]=l)}function h(e){const n=u();e.__bindingPointIndex=n;const i=t.createBuffer(),r=e.__size,a=e.usage;return t.bindBuffer(t.UNIFORM_BUFFER,i),t.bufferData(t.UNIFORM_BUFFER,r,a),t.bindBuffer(t.UNIFORM_BUFFER,null),t.bindBufferBase(t.UNIFORM_BUFFER,n,i),i}function u(){for(let t=0;t0){r=n%i;const 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o=y.toneMapping;y.toneMapping=tt,te(t,n,i),it.updateMultisampleRenderTarget(X),it.updateRenderTargetMipmap(X);let l=!1;for(let c=0,h=e.length;c0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let f=tt;i.toneMapped&&(null!==A&&!0!==A.isXRRenderTarget||(f=y.toneMapping));const m=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==m?m.length:0,_=nt.get(i),v=x.state.lights;if(!0===k&&(!0===W||t!==R)){const e=t===R&&i.id===w;pt.setState(i,t,e)}let M=!1;i.version===_.__version?_.needsLights&&_.lightsStateVersion!==v.state.version||_.outputColorSpace!==o||r.isInstancedMesh&&!1===_.instancing?M=!0:r.isInstancedMesh||!0!==_.instancing?r.isSkinnedMesh&&!1===_.skinning?M=!0:r.isSkinnedMesh||!0!==_.skinning?r.isInstancedMesh&&!0===_.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===_.instancingColor&&null!==r.instanceColor||_.envMap!==l||!0===i.fog&&_.fog!==a?M=!0:void 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0!==e&&e.setValue(bt,Y.setFromMatrixPosition(t.matrixWorld)),Q.logarithmicDepthBuffer&&C.setValue(bt,"logDepthBufFC",2/(Math.log(t.far+1)/Math.LN2)),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(bt,"isOrthographic",!0===t.isOrthographicCamera),R!==t&&(R=t,T=!0,b=!0)}if(r.isSkinnedMesh){C.setOptional(bt,r,"bindMatrix"),C.setOptional(bt,r,"bindMatrixInverse");const t=r.skeleton;t&&Q.floatVertexTextures&&(null===t.boneTexture&&t.computeBoneTexture(),C.setValue(bt,"boneTexture",t.boneTexture,it),C.setValue(bt,"boneTextureSize",t.boneTextureSize))}const L=n.morphAttributes;if((void 0!==L.position||void 0!==L.normal||void 0!==L.color&&!0===Q.isWebGL2)&>.update(r,n,S),(T||_.receiveShadow!==r.receiveShadow)&&(_.receiveShadow=r.receiveShadow,C.setValue(bt,"receiveShadow",r.receiveShadow)),i.isMeshGouraudMaterial&&null!==i.envMap&&(P.envMap.value=l,P.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1),T&&(C.setValue(bt,"toneMappingExposure",y.toneMappingExposure),_.needsLights&&se(P,b),a&&!0===i.fog&&ht.refreshFogUniforms(P,a),ht.refreshMaterialUniforms(P,i,O,I,X),Hc.upload(bt,ie(_),P,it)),i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Hc.upload(bt,ie(_),P,it),i.uniformsNeedUpdate=!1),i.isSpriteMaterial&&C.setValue(bt,"center",r.center),C.setValue(bt,"modelViewMatrix",r.modelViewMatrix),C.setValue(bt,"normalMatrix",r.normalMatrix),C.setValue(bt,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const t=i.uniformsGroups;for(let e=0,n=t.length;e0?S[S.length-1]:null,M.pop(),v=M.length>0?M[M.length-1]:null},this.getActiveCubeFace=function(){return T},this.getActiveMipmapLevel=function(){return b},this.getRenderTarget=function(){return A},this.setRenderTargetTextures=function(t,e,n){nt.get(t.texture).__webglTexture=e,nt.get(t.depthTexture).__webglTexture=n;const i=nt.get(t);i.__hasExternalTextures=!0,i.__hasExternalTextures&&(i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===J.has("WEBGL_multisampled_render_to_texture")&&(i.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(t,e){const n=nt.get(t);n.__webglFramebuffer=e,n.__useDefaultFramebuffer=void 0===e},this.setRenderTarget=function(t,e=0,n=0){A=t,T=e,b=n;let i=!0,r=null,a=!1,s=!1;if(t){const o=nt.get(t);void 0!==o.__useDefaultFramebuffer?($.bindFramebuffer(bt.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?it.setupRenderTarget(t):o.__hasExternalTextures&&it.rebindTextures(t,nt.get(t.texture).__webglTexture,nt.get(t.depthTexture).__webglTexture);const l=t.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(s=!0);const c=nt.get(t).__webglFramebuffer;t.isWebGLCubeRenderTarget?(r=Array.isArray(c[e])?c[e][n]:c[e],a=!0):r=Q.isWebGL2&&t.samples>0&&!1===it.useMultisampledRTT(t)?nt.get(t).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,C.copy(t.viewport),P.copy(t.scissor),L=t.scissorTest}else C.copy(B).multiplyScalar(O).floor(),P.copy(V).multiplyScalar(O).floor(),L=H;const o=$.bindFramebuffer(bt.FRAMEBUFFER,r);if(o&&Q.drawBuffers&&i&&$.drawBuffers(t,r),$.viewport(C),$.scissor(P),$.setScissorTest(L),a){const i=nt.get(t.texture);bt.framebufferTexture2D(bt.FRAMEBUFFER,bt.COLOR_ATTACHMENT0,bt.TEXTURE_CUBE_MAP_POSITIVE_X+e,i.__webglTexture,n)}else if(s){const i=nt.get(t.texture),r=e||0;bt.framebufferTextureLayer(bt.FRAMEBUFFER,bt.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}w=-1},this.readRenderTargetPixels=function(t,e,n,i,r,a,s){if(!t||!t.isWebGLRenderTarget)return;let o=nt.get(t).__webglFramebuffer;if(t.isWebGLCubeRenderTarget&&void 0!==s&&(o=o[s]),o){$.bindFramebuffer(bt.FRAMEBUFFER,o);try{const s=t.texture,o=s.format,l=s.type;if(o!==Dt&&xt.convert(o)!==bt.getParameter(bt.IMPLEMENTATION_COLOR_READ_FORMAT))return;const c=l===Rt&&(J.has("EXT_color_buffer_half_float")||Q.isWebGL2&&J.has("EXT_color_buffer_float"));if(l!==St&&xt.convert(l)!==bt.getParameter(bt.IMPLEMENTATION_COLOR_READ_TYPE)&&(l!==wt||!(Q.isWebGL2||J.has("OES_texture_float")||J.has("WEBGL_color_buffer_float")))&&!c)return;e>=0&&e<=t.width-i&&n>=0&&n<=t.height-r&&bt.readPixels(e,n,i,r,xt.convert(o),xt.convert(l),a)}finally{const t=null!==A?nt.get(A).__webglFramebuffer:null;$.bindFramebuffer(bt.FRAMEBUFFER,t)}}},this.copyFramebufferToTexture=function(t,e,n=0){const i=Math.pow(2,-n),r=Math.floor(e.image.width*i),a=Math.floor(e.image.height*i);it.setTexture2D(e,0),bt.copyTexSubImage2D(bt.TEXTURE_2D,n,0,0,t.x,t.y,r,a),$.unbindTexture()},this.copyTextureToTexture=function(t,e,n,i=0){const r=e.image.width,a=e.image.height,s=xt.convert(n.format),o=xt.convert(n.type);it.setTexture2D(n,0),bt.pixelStorei(bt.UNPACK_FLIP_Y_WEBGL,n.flipY),bt.pixelStorei(bt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),bt.pixelStorei(bt.UNPACK_ALIGNMENT,n.unpackAlignment),e.isDataTexture?bt.texSubImage2D(bt.TEXTURE_2D,i,t.x,t.y,r,a,s,o,e.image.data):e.isCompressedTexture?bt.compressedTexSubImage2D(bt.TEXTURE_2D,i,t.x,t.y,e.mipmaps[0].width,e.mipmaps[0].height,s,e.mipmaps[0].data):bt.texSubImage2D(bt.TEXTURE_2D,i,t.x,t.y,s,o,e.image),0===i&&n.generateMipmaps&&bt.generateMipmap(bt.TEXTURE_2D),$.unbindTexture()},this.copyTextureToTexture3D=function(t,e,n,i,r=0){if(y.isWebGL1Renderer)return;const a=t.max.x-t.min.x+1,s=t.max.y-t.min.y+1,o=t.max.z-t.min.z+1,l=xt.convert(i.format),c=xt.convert(i.type);let h;if(i.isData3DTexture)it.setTexture3D(i,0),h=bt.TEXTURE_3D;else{if(!i.isDataArrayTexture)return;it.setTexture2DArray(i,0),h=bt.TEXTURE_2D_ARRAY}bt.pixelStorei(bt.UNPACK_FLIP_Y_WEBGL,i.flipY),bt.pixelStorei(bt.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),bt.pixelStorei(bt.UNPACK_ALIGNMENT,i.unpackAlignment);const u=bt.getParameter(bt.UNPACK_ROW_LENGTH),d=bt.getParameter(bt.UNPACK_IMAGE_HEIGHT),p=bt.getParameter(bt.UNPACK_SKIP_PIXELS),f=bt.getParameter(bt.UNPACK_SKIP_ROWS),m=bt.getParameter(bt.UNPACK_SKIP_IMAGES),g=n.isCompressedTexture?n.mipmaps[0]:n.image;bt.pixelStorei(bt.UNPACK_ROW_LENGTH,g.width),bt.pixelStorei(bt.UNPACK_IMAGE_HEIGHT,g.height),bt.pixelStorei(bt.UNPACK_SKIP_PIXELS,t.min.x),bt.pixelStorei(bt.UNPACK_SKIP_ROWS,t.min.y),bt.pixelStorei(bt.UNPACK_SKIP_IMAGES,t.min.z),n.isDataTexture||n.isData3DTexture?bt.texSubImage3D(h,r,e.x,e.y,e.z,a,s,o,l,c,g.data):n.isCompressedArrayTexture?bt.compressedTexSubImage3D(h,r,e.x,e.y,e.z,a,s,o,l,g.data):bt.texSubImage3D(h,r,e.x,e.y,e.z,a,s,o,l,c,g),bt.pixelStorei(bt.UNPACK_ROW_LENGTH,u),bt.pixelStorei(bt.UNPACK_IMAGE_HEIGHT,d),bt.pixelStorei(bt.UNPACK_SKIP_PIXELS,p),bt.pixelStorei(bt.UNPACK_SKIP_ROWS,f),bt.pixelStorei(bt.UNPACK_SKIP_IMAGES,m),0===r&&i.generateMipmaps&&bt.generateMipmap(h),$.unbindTexture()},this.initTexture=function(t){t.isCubeTexture?it.setTextureCube(t,0):t.isData3DTexture?it.setTexture3D(t,0):t.isDataArrayTexture||t.isCompressedArrayTexture?it.setTexture2DArray(t,0):it.setTexture2D(t,0),$.unbindTexture()},this.resetState=function(){T=0,b=0,A=null,$.reset(),yt.reset()},"undefined"!==typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return en}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(t){this._outputColorSpace=t;const e=this.getContext();e.drawingBufferColorSpace=t===Oe?"display-p3":"srgb",e.unpackColorSpace=Rn.workingColorSpace===Fe?"display-p3":"srgb"}get physicallyCorrectLights(){return!this.useLegacyLights}set physicallyCorrectLights(t){this.useLegacyLights=!t}get outputEncoding(){return this.outputColorSpace===Ne?Re:we}set outputEncoding(t){this.outputColorSpace=t===Re?Ne:Ie}get useLegacyLights(){return this._useLegacyLights}set useLegacyLights(t){this._useLegacyLights=t}}class Kh extends Yh{}Kh.prototype.isWebGL1Renderer=!0;class Zh extends Xi{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.overrideMaterial=null,"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()),this.backgroundBlurriness=t.backgroundBlurriness,this.backgroundIntensity=t.backgroundIntensity,null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(e.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(e.object.backgroundIntensity=this.backgroundIntensity),e}}class Jh extends ur{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new 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