https://famousandfaded.com/static/scripts/three/three-1.13.min.js

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15","56","57","58","59","5a","5b","5c","5d","5e","5f","60","61","62","63","64","65","66","67","68","69","6a","6b","6c","6d","6e","6f","70","71","72","73","74","75","76","77","78","79","7a","7b","7c","7d","7e","7f","80","81","82","83","84","85","86","87","88","89","8a","8b","8c","8d","8e","8f","90","91","92","93","94","95","96","97","98","99","9a","9b","9c","9d","9e","9f","a0","a1","a2","a3","a4","a5","a6","a7","a8","a9","aa","ab","ac","ad","ae","af","b0","b1","b2","b3","b4","b5","b6","b7","b8","b9","ba","bb","bc","bd","be","bf","c0","c1","c2","c3","c4","c5","c6","c7","c8","c9","ca","cb","cc","cd","ce","cf","d0","d1","d2","d3","d4","d5","d6","d7","d8","d9","da","db","dc","dd","de","df","e0","e1","e2","e3","e4","e5","e6","e7","e8","e9","ea","eb","ec","ed","ee","ef","f0","f1","f2","f3","f4","f5","f6","f7","f8","f9","fa","fb","fc","fd","fe","ff"],_seed=1234567,DEG2RAD=Math.PI/180,RAD2DEG=180/Math.PI;function generateUUID(){const e=Math.random()*4294967295|0,t=Math.random()*4294967295|0,n=Math.random()*4294967295|0,s=Math.random()*4294967295|0,o=_lut[e&255]+_lut[e>>8&255]+_lut[e>>16&255]+_lut[e>>24&255]+"-"+_lut[t&255]+_lut[t>>8&255]+"-"+_lut[t>>16&15|64]+_lut[t>>24&255]+"-"+_lut[n&63|128]+_lut[n>>8&255]+"-"+_lut[n>>16&255]+_lut[n>>24&255]+_lut[s&255]+_lut[s>>8&255]+_lut[s>>16&255]+_lut[s>>24&255];return o.toLowerCase()}function clamp(e,t,n){return Math.max(t,Math.min(n,e))}function euclideanModulo(e,t){return(e%t+t)%t}function mapLinear(e,t,n,s,o){return s+(e-t)*(o-s)/(n-t)}function inverseLerp(e,t,n){return e!==t?(n-e)/(t-e):0}function lerp(e,t,n){return(1-n)*e+n*t}function damp(e,t,n,s){return lerp(e,t,1-Math.exp(-n*s))}function pingpong(e,t=1){return t-Math.abs(euclideanModulo(e,t*2)-t)}function smoothstep(e,t,n){return e<=t?0:e>=n?1:(e=(e-t)/(n-t),e*e*(3-2*e))}function smootherstep(e,t,n){return e<=t?0:e>=n?1:(e=(e-t)/(n-t),e*e*e*(e*(e*6-15)+10))}function randInt(e,t){return e+Math.floor(Math.random()*(t-e+1))}function randFloat(e,t){return e+Math.random()*(t-e)}function randFloatSpread(e){return e*(.5-Math.random())}function seededRandom(e){e!==0[0]&&(_seed=e);let t=_seed+=1831565813;return t=Math.imul(t^t>>>15,t|1),t^=t+Math.imul(t^t>>>7,t|61),((t^t>>>14)>>>0)/4294967296}function degToRad(e){return e*DEG2RAD}function radToDeg(e){return e*RAD2DEG}function isPowerOfTwo(e){return(e&e-1)===0&&e!==0}function ceilPowerOfTwo(e){return 2**Math.ceil(Math.log(e)/Math.LN2)}function floorPowerOfTwo(e){return 2**Math.floor(Math.log(e)/Math.LN2)}function setQuaternionFromProperEuler(e,t,n,s,o){const l=Math.cos,d=Math.sin,i=l(n/2),a=d(n/2),r=l((t+s)/2),c=d((t+s)/2),u=l((t-s)/2),h=d((t-s)/2),m=l((s-t)/2),f=d((s-t)/2);switch(o){case"XYX":e.set(i*c,a*u,a*h,i*r);break;case"YZY":e.set(a*h,i*c,a*u,i*r);break;case"ZXZ":e.set(a*u,a*h,i*c,i*r);break;case"XZX":e.set(i*c,a*f,a*m,i*r);break;case"YXY":e.set(a*m,i*c,a*f,i*r);break;case"ZYZ":e.set(a*f,a*m,i*c,i*r);break;default:warn("MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+o)}}function denormalize(e,t){switch(t.constructor){case Float32Array:return e;case Uint32Array:return e/4294967295;case Uint16Array:return e/65535;case Uint8Array:return e/255;case Int32Array:return Math.max(e/2147483647,-1);case Int16Array:return Math.max(e/32767,-1);case Int8Array:return Math.max(e/127,-1);default:throw new Error("Invalid component type.")}}function normalize(e,t){switch(t.constructor){case Float32Array:return e;case Uint32Array:return Math.round(e*4294967295);case Uint16Array:return Math.round(e*65535);case Uint8Array:return Math.round(e*255);case Int32Array:return Math.round(e*2147483647);case Int16Array:return Math.round(e*32767);case Int8Array:return Math.round(e*127);default:throw new Error("Invalid component type.")}}MathUtils={DEG2RAD,RAD2DEG,generateUUID,clamp,euclideanModulo,mapLinear,inverseLerp,lerp,damp,pingpong,smoothstep,smootherstep,randInt,randFloat,randFloatSpread,seededRandom,degToRad,radToDeg,isPowerOfTwo,ceilPowerOfTwo,floorPowerOfTwo,setQuaternionFromProperEuler,normalize,denormalize};class Vector2{constructor(e=0,t=0){Vector2.prototype.isVector2=!0,this.x=e,this.y=t}get width(){return this.x}set width(e){this.x=e}get height(){return this.y}set height(e){this.y=e}set(e,t){return this.x=e,this.y=t,this}setScalar(e){return this.x=e,this.y=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y)}copy(e){return this.x=e.x,this.y=e.y,this}add(e){return this.x+=e.x,this.y+=e.y,this}addScalar(e){return this.x+=e,this.y+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this}

1sub(e){return this.x-=e.x,this.y-=e.y,this}subScalar(e){return this.x-=e,this.y-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){const n=this.x,s=this.y,t=e.elements;return this.x=t[0]*n+t[3]*s+t[6],this.y=t[1]*n+t[4]*s+t[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(e,t){return this.x=clamp(this.x,e.x,t.x),this.y=clamp(this.y,e.y,t.y),this}clampScalar(e,t){return this.x=clamp(this.x,e,t),this.y=clamp(this.y,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(clamp(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x|0,this.y=this.y|0,this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return(this.x*this.x+this.y*this.y)**.5}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){const e=Math.atan2(-this.y,-this.x)+Math.PI;return e}angleTo(e){const t=(this.lengthSq()*e.lengthSq())**.5;if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(clamp(n,-1,1))}distanceTo(e){return this.distanceToSquared(e)**.5}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y;return t*t+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){const n=Math.cos(t),s=Math.sin(t),o=this.x-e.x,i=this.y-e.y;return this.x=o*n-i*s+e.x,this.y=o*s+i*n+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Quaternion{constructor(e=0,t=0,n=0,s=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=s}static slerpFlat(e,t,n,s,o,i,a){let r=n[s+0],c=n[s+1],l=n[s+2],d=n[s+3],u=o[i+0],h=o[i+1],m=o[i+2],f=o[i+3];if(a<=0){e[t+0]=r,e[t+1]=c,e[t+2]=l,e[t+3]=d;return}if(a>=1){e[t+0]=u,e[t+1]=h,e[t+2]=m,e[t+3]=f;return}if(d!==f||r!==u||c!==h||l!==m){let t=r*u+c*h+l*m+d*f;t<0&&(u=-u,h=-h,m=-m,f=-f,t=-t);let e=1-a;if(t<.9995){const n=Math.acos(t),s=Math.sin(n);e=Math.sin(e*n)/s,a=Math.sin(a*n)/s,r=r*e+u*a,c=c*e+h*a,l=l*e+m*a,d=d*e+f*a}else{r=r*e+u*a,c=c*e+h*a,l=l*e+m*a,d=d*e+f*a;const t=1/(r*r+c*c+l*l+d*d)**.5;r*=t,c*=t,l*=t,d*=t}}e[t]=r,e[t+1]=c,e[t+2]=l,e[t+3]=d}static multiplyQuaternionsFlat(e,t,n,s,o,i){const a=n[s],r=n[s+1],c=n[s+2],l=n[s+3],d=o[i],u=o[i+1],h=o[i+2],m=o[i+3];return e[t]=a*m+l*d+r*h-c*u,e[t+1]=r*m+l*u+c*d-a*h,e[t+2]=c*m+l*h+a*u-r*d,e[t+3]=l*m-a*d-r*u-c*h,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,s){return this._x=e,this._y=t,this._z=n,this._w=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){const{_x:d,_y:u,_z:h,_order:m}=e,c=Math.cos,l=Math.sin,n=c(d/2),s=c(u/2),o=c(h/2),i=l(d/2),a=l(u/2),r=l(h/2);switch(m){case"XYZ":this._x=i*s*o+n*a*r,this._y=n*a*o-i*s*r,this._z=n*s*r+i*a*o,this._w=n*s*o-i*a*r;break;case"YXZ":this._x=i*s*o+n*a*r,this._y=n*a*o-i*s*r,this._z=n*s*r-i*a*o,this._w=n*s*o+i*a*r;break;case"ZXY":this._x=i*s*o-n*a*r,this._y=n*a*o+i*s*r,this._z=n*s*r+i*a*o,this._w=n*s*o-i*a*r;break;case"ZYX":this._x=i*s*o-n*a*r,this._y=n*a*o+i*s*r,this._z=n*s*r-i*a*o,this._w=n*s*o+i*a*r;break;case"YZX":this._x=i*s*o+n*a*r,this._y=n*a*o+i*s*r,this._z=n*s*r-i*a*o,this._w=n*s*o-i*a*r;break;case"XZY":this._x=i*s*o-n*a*r,this._y=n*a*o-i*s*r,this._z=n*s*r+i*a*o,this._w=n*s*o+i*a*r;break;default:warn("Quaternion: .setFromEuler() encountered an unknown order: "+m)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const s=t/2,n=Math.sin(s);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(s),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],a=t[8],r=t[1],s=t[5],c=t[9],l=t[2],d=t[6],o=t[10],u=n+s+o;if(u>0){const e=.5/(u+1)**.5;this._w=.25/e,this._x=(d-c)*e,this._y=(a-l)*e,this._z=(r-i)*e}else if(n>s&&n>o){const e=2*(1+n-s-o)**.5;this._w=(d-c)/e,this._x=.25*e,this._y=(i+r)/e,this._z=(a+l)/e}else if(s>o){const e=2*(1+s-n-o)**.5;this._w=(a-l)/e,this._x=(i+r)/e,this._y=.25*e,this._z=(c+d)/e}else{const e=2*(1+o-n-s)**.5;this._w=(r-i)/e,this._x=(a+l)/e,this._y=(c+d)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<1e-8?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(clamp(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(n===0)return this;const s=Math.min(1,t/n);return this.slerp(e,s),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)**.5}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const{_x:n,_y:s,_z:o,_w:i}=e,{_x:a,_y:r,_z:c,_w:l}=t;return this._x=n*l+i*a+s*c-o*r,this._y=s*l+i*r+o*a-n*c,this._z=o*l+i*c+n*r-s*a,this._w=i*l-n*a-s*r-o*c,this._onChangeCallback(),this}slerp(e,t){if(t<=0)return this;if(t>=1)return this.copy(e);let{_x:o,_y:i,_z:a,_w:r}=e,s=this.dot(e);s<0&&(o=-o,i=-i,a=-a,r=-r,s=-s);let n=1-t;if(s<.9995){const e=Math.acos(s),c=Math.sin(e);n=Math.sin(n*e)/c,t=Math.sin(t*e)/c,this._x=this._x*n+o*t,this._y=this._y*n+i*t,this._z=this._z*n+a*t,this._w=this._w*n+r*t,this._onChangeCallback()}else this._x=this._x*n+o*t,this._y=this._y*n+i*t,this._z=this._z*n+a*t,this._w=this._w*n+r*t,this.normalize();return this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),n=Math.random(),s=(1-n)**.5,o=n**.5;return this.set(s*Math.sin(e),s*Math.cos(e),o*Math.sin(t),o*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Vector3{constructor(e=0,t=0,n=0){Vector3.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return n===0[0]&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(_quaternion$4.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(_quaternion$4.setFromAxisAngle(e,t))}applyMatrix3(e){const n=this.x,s=this.y,o=this.z,t=e.elements;return this.x=t[0]*n+t[3]*s+t[6]*o,this.y=t[1]*n+t[4]*s+t[7]*o,this.z=t[2]*n+t[5]*s+t[8]*o,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const n=this.x,s=this.y,o=this.z,t=e.elements,i=1/(t[3]*n+t[7]*s+t[11]*o+t[15]);return this.x=(t[0]*n+t[4]*s+t[8]*o+t[12])*i,this.y=(t[1]*n+t[5]*s+t[9]*o+t[13])*i,this.z=(t[2]*n+t[6]*s+t[10]*o+t[14])*i,this}applyQuaternion(e){const o=this.x,i=this.y,a=this.z,{x:t,y:n,z:s,w:r}=e,c=2*(n*a-s*i),l=2*(s*o-t*a),d=2*(t*i-n*o);return this.x=o+r*c+n*d-s*l,this.y=i+r*l+s*c-t*d,this.z=a+r*d+t*l-n*c,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const n=this.x,s=this.y,o=this.z,t=e.elements;return this.x=t[0]*n+t[4]*s+t[8]*o,this.y=t[1]*n+t[5]*s+t[9]*o,this.z=t[2]*n+t[6]*s+t[10]*o,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=clamp(this.x,e.x,t.x),this.y=clamp(this.y,e.y,t.y),this.z=clamp(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=clamp(this.x,e,t),this.y=clamp(this.y,e,t),this.z=clamp(this.z,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(clamp(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x|0,this.y=this.y|0,this.z=this.z|0,this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return(this.x*this.x+this.y*this.y+this.z*this.z)**.5}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const{x:n,y:s,z:o}=e,{x:i,y:a,z:r}=t;return this.x=s*r-o*a,this.y=o*i-n*r,this.z=n*a-s*i,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return _vector$c.copy(this).projectOnVector(e),this.sub(_vector$c)}reflect(e){return this.sub(_vector$c.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=(this.lengthSq()*e.lengthSq())**.5;if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(clamp(n,-1,1))}distanceTo(e){return this.distanceToSquared(e)**.5}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,s=this.z-e.z;return t*t+n*n+s*s}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){const s=Math.sin(t)*e;return this.x=s*Math.sin(n),this.y=Math.cos(t)*e,this.z=s*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),s=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=s,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=Math.random()*2-1,n=(1-e*e)**.5;return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}_vector$c=new Vector3,_quaternion$4=new Quaternion;class Matrix3{constructor(e,t,n,s,o,i,a,r,c){Matrix3.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],e!==0[0]&&this.set(e,t,n,s,o,i,a,r,c)}set(e,t,n,s,o,i,a,r,c){const l=this.elements;return l[0]=e,l[1]=s,l[2]=a,l[3]=t,l[4]=o,l[5]=r,l[6]=n,l[7]=i,l[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,s=t.elements,o=this.elements,i=n[0],a=n[3],r=n[6],c=n[1],l=n[4],d=n[7],u=n[2],h=n[5],m=n[8],f=s[0],p=s[3],g=s[6],v=s[1],b=s[4],j=s[7],y=s[2],_=s[5],w=s[8];return o[0]=i*f+a*v+r*y,o[3]=i*p+a*b+r*_,o[6]=i*g+a*j+r*w,o[1]=c*f+l*v+d*y,o[4]=c*p+l*b+d*_,o[7]=c*g+l*j+d*w,o[2]=u*f+h*v+m*y,o[5]=u*p+h*b+m*_,o[8]=u*g+h*j+m*w,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],n=e[1],s=e[2],o=e[3],i=e[4],a=e[5],r=e[6],c=e[7],l=e[8];return t*i*l-t*a*c-n*o*l+n*a*r+s*o*c-s*i*r}invert(){const e=this.elements,n=e[0],s=e[1],o=e[2],d=e[3],a=e[4],i=e[5],r=e[6],c=e[7],l=e[8],u=l*a-i*c,h=i*r-l*d,m=c*d-a*r,f=n*u+s*h+o*m;if(f===0)return this.set(0,0,0,0,0,0,0,0,0);const t=1/f;return e[0]=u*t,e[1]=(o*c-l*s)*t,e[2]=(i*s-o*a)*t,e[3]=h*t,e[4]=(l*n-o*r)*t,e[5]=(o*d-i*n)*t,e[6]=m*t,e[7]=(s*r-c*n)*t,e[8]=(a*n-s*d)*t,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(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,s,o,i,a){const r=Math.cos(o),c=Math.sin(o);return this.set(n*r,n*c,-n*(r*i+c*a)+i+e,-s*c,s*r,-s*(-c*i+r*a)+a+t,0,0,1),this}scale(e,t){return this.premultiply(_m3.makeScale(e,t)),this}rotate(e){return this.premultiply(_m3.makeRotation(-e)),this}translate(e,t){return this.premultiply(_m3.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,n,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<9;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}_m3=new Matrix3,LINEAR_REC709_TO_XYZ=(new Matrix3).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),XYZ_TO_LINEAR_REC709=(new Matrix3).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.20397

17,1.0569715);function createColorManagement(){const e={enabled:!0,workingColorSpace:LinearSRGBColorSpace,spaces:{},convert:function(e,t,n){return this.enabled===!1||t===n||!t||!n?e:(this.spaces[t].transfer===SRGBTransfer&&(e.r=SRGBToLinear(e.r),e.g=SRGBToLinear(e.g),e.b=SRGBToLinear(e.b)),this.spaces[t].primaries!==this.spaces[n].primaries&&(e.applyMatrix3(this.spaces[t].toXYZ),e.applyMatrix3(this.spaces[n].fromXYZ)),this.spaces[n].transfer===SRGBTransfer&&(e.r=LinearToSRGB(e.r),e.g=LinearToSRGB(e.g),e.b=LinearToSRGB(e.b)),e)},workingToColorSpace:function(e,t){return this.convert(e,this.workingColorSpace,t)},colorSpaceToWorking:function(e,t){return this.convert(e,t,this.workingColorSpace)},getPrimaries:function(e){return this.spaces[e].primaries},getTransfer:function(e){return e===NoColorSpace?LinearTransfer:this.spaces[e].transfer},getToneMappingMode:function(e){return this.spaces[e].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(e,t=this.workingColorSpace){return e.fromArray(this.spaces[t].luminanceCoefficients)},define:function(e){Object.assign(this.spaces,e)},_getMatrix:function(e,t,n){return e.copy(this.spaces[t].toXYZ).multiply(this.spaces[n].fromXYZ)},_getDrawingBufferColorSpace:function(e){return this.spaces[e].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(e=this.workingColorSpace){return this.spaces[e].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(t,n){return warnOnce("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),e.workingToColorSpace(t,n)},toWorkingColorSpace:function(t,n){return warnOnce("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),e.colorSpaceToWorking(t,n)}},t=[.64,.33,.3,.6,.15,.06],n=[.2126,.7152,.0722],s=[.3127,.329];return e.define({[LinearSRGBColorSpace]:{primaries:t,whitePoint:s,transfer:LinearTransfer,toXYZ:LINEAR_REC709_TO_XYZ,fromXYZ:XYZ_TO_LINEAR_REC709,luminanceCoefficients:n,workingColorSpaceConfig:{unpackColorSpace:SRGBColorSpace},outputColorSpaceConfig:{drawingBufferColorSpace:SRGBColorSpace}},[SRGBColorSpace]:{primaries:t,whitePoint:s,transfer:SRGBTransfer,toXYZ:LINEAR_REC709_TO_XYZ,fromXYZ:XYZ_TO_LINEAR_REC709,luminanceCoefficients:n,outputColorSpaceConfig:{drawingBufferColorSpace:SRGBColorSpace}}}),e}ColorManagement=createColorManagement();function SRGBToLinear(e){return e<.04045?e*.0773993808:(e*.9478672986+.0521327014)**2.4}function LinearToSRGB(e){return e<.0031308?e*12.92:1.055*e**.41666-.055}class ImageUtils{static getDataURL(e,t="image/png"){if(/^data:/i.test(e.src))return e.src;if(typeof HTMLCanvasElement=="undefined")return e.src;let n;if(e instanceof HTMLCanvasElement)n=e;else{_canvas===0[0]&&(_canvas=createElementNS("canvas")),_canvas.width=e.width,_canvas.height=e.height;const t=_canvas.getContext("2d");e instanceof ImageData?t.putImageData(e,0,0):t.drawImage(e,0,0,e.width,e.height),n=_canvas}return n.toDataURL(t)}static sRGBToLinear(e){if(typeof HTMLImageElement!="undefined"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&e instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap){const t=createElementNS("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const o=n.getImageData(0,0,e.width,e.height),s=o.data;for(let e=0;e<s.length;e++)s[e]=SRGBToLinear(s[e]/255)*255;return n.putImageData(o,0,0),t}if(e.data){const t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(SRGBToLinear(t[e]/255)*255):t[e]=SRGBToLinear(t[e]);return{data:t,width:e.width,height:e.height}}return warn("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}_sourceId=0;class Source{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:_sourceId++}),this.uuid=generateUUID(),this.data=e,this.dataReady=!0,this.version=0}getSize(e){const t=this.data;return typeof HTMLVideoElement!="undefined"&&t instanceof HTMLVideoElement?e.set(t.videoWidth,t.videoHeight,0):typeof VideoFrame!="undefined"&&t instanceof VideoFrame?e.set(t.displayHeight,t.displayWidth,0):t!==null?e.set(t.width,t.height,t.depth||0):e.set(0,0,0),e}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const s=e===0[0]||typeof e=="string";if(!s&&e.images[this.uuid]!==0[0])return e.images[this.uuid];const n={uuid:this.uuid,url:""},t=this.data;if(t!==null){let e;if(Array.isArray(t)){e=[];for(let n=0,s=t.length;n<s;n++)t[n].isDataTexture?e.push(serializeImage(t[n].image)):e.push(serializeImage(t[n]))}else e=serializeImage(t);n.url=e}return s||(e.images[this.uuid]=n),n}}function serializeImage(e){return typeof HTMLImageElement!="undefined"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&e instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap?ImageUtils.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(warn("Texture: Unable to serialize Texture."),{})}_textureId=0,_tempVec3=new Vector3;

1class Texture extends EventDispatcher{constructor(e=Texture.DEFAULT_IMAGE,t=Texture.DEFAULT_MAPPING,n=ClampToEdgeWrapping,s=ClampToEdgeWrapping,o=LinearFilter,i=LinearMipmapLinearFilter,a=RGBAFormat,r=UnsignedByteType,c=Texture.DEFAULT_ANISOTROPY,l=NoColorSpace){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:_textureId++}),this.uuid=generateUUID(),this.name="",this.source=new Source(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=s,this.magFilter=o,this.minFilter=i,this.anisotropy=c,this.format=a,this.internalFormat=null,this.type=r,this.offset=new Vector2(0,0),this.repeat=new Vector2(1,1),this.center=new Vector2(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Matrix3,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=l,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(e&&e.depth&&e.depth>1),this.pmremVersion=0}get width(){return this.source.getSize(_tempVec3).x}get height(){return this.source.getSize(_tempVec3).y}get depth(){return this.source.getSize(_tempVec3).z}get image(){return this.source.data}set image(e=null){this.source.data=e}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.colorSpace=e.colorSpace,this.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,this.isArrayTexture=e.isArrayTexture,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}setValues(e){for(const s in e){const t=e[s];if(t===0[0]){warn(`Texture.setValues(): parameter '${s}' has value of undefined.`);continue}const n=this[s];if(n===0[0]){warn(`Texture.setValues(): property '${s}' does not exist.`);continue}n&&t&&n.isVector2&&t.isVector2?n.copy(t):n&&t&&n.isVector3&&t.isVector3?n.copy(t):n&&t&&n.isMatrix3&&t.isMatrix3?n.copy(t):this[s]=t}}toJSON(e){const n=e===0[0]||typeof e=="string";if(!n&&e.textures[this.uuid]!==0[0])return e.textures[this.uuid];const t={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(t.userData=this.userData),n||(e.textures[this.uuid]=t),t}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==UVMapping)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case RepeatWrapping:e.x=e.x-Math.floor(e.x);break;case ClampToEdgeWrapping:e.x=e.x<0?0:1;break;case MirroredRepeatWrapping:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case RepeatWrapping:e.y=e.y-Math.floor(e.y);break;case ClampToEdgeWrapping:e.y=e.y<0?0:1;break;case MirroredRepeatWrapping:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(e){e===!0&&this.pmremVersion++}}Texture.DEFAULT_IMAGE=null,Texture.DEFAULT_MAPPING=UVMapping,Texture.DEFAULT_ANISOTROPY=1;class Vector4{constructor(e=0,t=0,n=0,s=1){Vector4.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=s}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,s){return this.x=e,this.y=t,this.z=n,this.w=s,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==0[0]?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}

1sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const n=this.x,s=this.y,o=this.z,i=this.w,t=e.elements;return this.x=t[0]*n+t[4]*s+t[8]*o+t[12]*i,this.y=t[1]*n+t[5]*s+t[9]*o+t[13]*i,this.z=t[2]*n+t[6]*s+t[10]*o+t[14]*i,this.w=t[3]*n+t[7]*s+t[11]*o+t[15]*i,this}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=(1-e.w*e.w)**.5;return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let v,n,s,o;const a=.01,m=.1,t=e.elements,f=t[0],i=t[4],r=t[8],c=t[1],p=t[5],l=t[9],d=t[2],u=t[6],g=t[10];if(Math.abs(i-c)<a&&Math.abs(r-d)<a&&Math.abs(l-u)<a){if(Math.abs(i+c)<m&&Math.abs(r+d)<m&&Math.abs(l+u)<m&&Math.abs(f+p+g-3)<m)return this.set(1,0,0,0),this;v=Math.PI;const e=(f+1)/2,t=(p+1)/2,h=(g+1)/2,b=(i+c)/4,j=(r+d)/4,y=(l+u)/4;return e>t&&e>h?e<a?(n=0,s=.707106781,o=.707106781):(n=e**.5,s=b/n,o=j/n):t>h?t<a?(n=.707106781,s=0,o=.707106781):(s=t**.5,n=b/s,o=y/s):h<a?(n=.707106781,s=.707106781,o=0):(o=h**.5,n=j/o,s=y/o),this.set(n,s,o,v),this}let h=((u-l)*(u-l)+(r-d)*(r-d)+(c-i)*(c-i))**.5;return(h<0?-h:h)<.001&&(h=1),this.x=(u-l)/h,this.y=(r-d)/h,this.z=(c-i)/h,this.w=Math.acos((f+p+g-1)/2),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this.w=t[15],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=clamp(this.x,e.x,t.x),this.y=clamp(this.y,e.y,t.y),this.z=clamp(this.z,e.z,t.z),this.w=clamp(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=clamp(this.x,e,t),this.y=clamp(this.y,e,t),this.z=clamp(this.z,e,t),this.w=clamp(this.w,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar(clamp(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x|0,this.y=this.y|0,this.z=this.z|0,this.w=this.w|0,this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)**.5}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class RenderTarget extends EventDispatcher{constructor(e=1,t=1,n={}){super(),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:LinearFilter,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},n),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=n.depth,this.scissor=new Vector4(0,0,e,t),this.scissorTest=!1,this.viewport=new Vector4(0,0,e,t);const s={width:e,height:t,depth:n.depth},o=new Texture(s);this.textures=[];const i=n.count;for(let e=0;e<i;e++)this.textures[e]=o.clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;this._setTextureOptions(n),this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=n.depthTexture,this.samples=n.samples,this.multiview=n.multiview}_setTextureOptions(e={}){const t={minFilter:LinearFilter,generateMipmaps:!1,flipY:!1,internalFormat:null};e.mapping!==0[0]&&(t.mapping=e.mapping),e.wrapS!==0[0]&&(t.wrapS=e.wrapS),e.wrapT!==0[0]&&(t.wrapT=e.wrapT),e.wrapR!==0[0]&&(t.wrapR=e.wrapR),e.magFilter!==0[0]&&(t.magFilter=e.magFilter),e.minFilter!==0[0]&&(t.minFilter=e.minFilter),e.format!==0[0]&&(t.format=e.format),e.type!==0[0]&&(t.type=e.type),e.anisotropy!==0[0]&&(t.anisotropy=e.anisotropy),e.colorSpace!==0[0]&&(t.colorSpace

1=e.colorSpace),e.flipY!==0[0]&&(t.flipY=e.flipY),e.generateMipmaps!==0[0]&&(t.generateMipmaps=e.generateMipmaps),e.internalFormat!==0[0]&&(t.internalFormat=e.internalFormat);for(let e=0;e<this.textures.length;e++){const n=this.textures[e];n.setValues(t)}}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){this._depthTexture!==null&&(this._depthTexture.renderTarget=null),e!==null&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let s=0,o=this.textures.length;s<o;s++)this.textures[s].image.width=e,this.textures[s].image.height=t,this.textures[s].image.depth=n,this.textures[s].isData3DTexture!==!0&&(this.textures[s].isArrayTexture=this.textures[s].image.depth>1);this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return(new this.constructor).copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,n=e.textures.length;t<n;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;const s=Object.assign({},e.textures[t].image);this.textures[t].source=new Source(s)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class WebGLRenderTarget extends RenderTarget{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class DataArrayTexture extends Texture{constructor(e=null,t=1,n=1,s=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:s},this.magFilter=NearestFilter,this.minFilter=NearestFilter,this.wrapR=ClampToEdgeWrapping,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class Data3DTexture extends Texture{constructor(e=null,t=1,n=1,s=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:s},this.magFilter=NearestFilter,this.minFilter=NearestFilter,this.wrapR=ClampToEdgeWrapping,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Box3{constructor(e=new Vector3(1/0,1/0,1/0),t=new Vector3(-(1/0),-(1/0),-(1/0))){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t+=3)this.expandByPoint(_vector$b.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(_vector$b.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=_vector$b.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return(new this.constructor).copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-(1/0),this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);const n=e.geometry;if(n!==0[0]){const s=n.getAttribute("position");if(t===!0&&s!==0[0]&&e.isInstancedMesh!==!0)for(let t=0,n=s.count;t<n;t++)e.isMesh===!0?e.getVertexPosition(t,_vector$b):_vector$b.fromBufferAttribute(s,t),_vector$b.applyMatrix4(e.matrixWorld),this.expandByPoint(_vector$b);else e.boundingBox!==0[0]?(e.boundingBox===null&&e.computeBoundingBox(),_box$4.copy(e.boundingBox)):(n.boundingBox===null&&n.computeBoundingBox(),_box$4.copy(n.boundingBox)),_box$4.applyMatrix4(e.matrixWorld),this.union(_box$4)}const s=e.children;for(let e=0,n=s.length;e<n;e++)this.expandByObject(s[e],t);return this}containsPoint(e){return e.x>=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,_vector$b),_vector$b.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(_center),_extents.subVectors(this.max,_center),_v0$2.subVectors(e.a,_center),_v1$7.subVectors(e.b,_center),_v2$4.subVectors(e.c,_center),_f0.subVectors(_v1$7,_v0$2),_f1.subVectors(_v2$4,_v1$7),_f2.subVectors(_v0$2,_v2$4);let t=[0,-_f0.z,_f0.y,0,-_f1.z,_f1.y,0,-_f2.z,_f2.y,_f0.z,0,-_f0.x,_f1.z,0,-_f1.x,_f2.z,0,-_f2.x,-_f0.y,_f0.x,0,-_f1.y,_f1.x,0,-_f2.y,_f2.x,0];return!!satForAxes(t,_v0$2,_v1$7,_v2$4,_extents)&&(t=[1,0,0,0,1,0,0,0,1],!!satForAxes(t,_v0$2,_v1$7,_v2$4,_extents)&&(_triangleNormal.crossVectors(_f0,_f1),t=[_triangleNormal.x,_triangleNormal.y,_triangleNormal.z],satForAxes(t,_v0$2,_v1$7,_v2$4,_extents)))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,_vector$b).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(_vector$b).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(_points[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),_points[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),_points[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),_points[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),_points[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),_points[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),_points[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),_points[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(_points),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(e){return this.min.fromArray(e.min),this.max.fromArray(e.max),this}}_points=[new Vector3,new Vector3,new Vector3,new Vector3,new Vector3,new Vector3,new Vector3,new Vector3],_vector$b=new Vector3,_box$4=new Box3,_v0$2=new Vector3,_v1$7=new Vector3,_v2$4=new Vector3,_f0=new Vector3,_f1=new Vector3,_f2=new Vector3,_center=new Vector3,_extents=new Vector3,_triangleNormal=new Vector3,_testAxis=new Vector3;function satForAxes(e,t,n,s,o){for(let i=0,l=e.length-3;i<=l;i+=3){_testAxis.fromArray(e,i);const d=o.x*Math.abs(_testAxis.x)+o.y*Math.abs(_testAxis.y)+o.z*Math.abs(_testAxis.z),a=t.dot(_testAxis),r=n.dot(_testAxis),c=s.dot(_testAxis);if(Math.max(-Math.max(a,r,c),Math.min(a,r,c))>d)return!1}return!0}_box$3=new Box3,_v1$6=new Vector3,_v2$3=new Vector3;class Sphere{constructor(e=new Vector3,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;t!==0[0]?n.copy(t):_box$3.setFromPoints(e).getCenter(n);let s=0;for(let t=0,o=e.length;t<o;t++)s=Math.max(s,n.distanceToSquared(e[t]));return this.radius=s**.5,this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;_v1$6.subVectors(e,this.center);const t=_v1$6.lengthSq();if(t>this.radius*this.radius){const e=t**.5,n=(e-this.radius)*.5;this.center.addScaledVector(_v1$6,n/e),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(_v2$3.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(_v1$6.copy(e.center).add(_v2$3)),this.expandByPoint(_v1$6.copy(e.center).sub(_v2$3))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(e){return this.radius=e.radius,this.center.fromArray(e.center),this}}_vector$a=new Vector3,_segCenter=new Vector3,_segDir=new Vector3,_diff=new Vector3,_edge1=new Vector3,_edge2=new Vector3,_normal$1=new Vector3;class Ray{constructor(e=new Vector3,t=new Vector3(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,_vector$a)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(e){return this.distanceSqToPoint(e)**.5}distanceSqToPoint(e){const t=_vector$a.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(_vector$a.copy(this.origin).addScaledVector(this.direction,t),_vector$a.distanceToSquared(e))}distanceSqToSegment(e,t,n,s){_segCenter.copy(e).add(t).multiplyScalar(.5),_segDir.copy(t).sub(e).normalize(),_diff.copy(this.origin).sub(_segCenter);const a=e.distanceTo(t)*.5,r=-this.direction.dot(_segDir),l=_diff.dot(this.direction),c=-_diff.dot(_segDir),u=_diff.lengthSq(),m=Math.abs(1-r*r);let i,o,d,h;if(m>0)if(i=r*c-l,o=r*l-c,h=a*m,i>=0)if(o>=-h)if(o<=h){const e=1/m;i*=e,o*=e,d=i*(i+r*o+2*l)+o*(r*i+o+2*c)+u}else o=a,i=Math.max(0,-(r*o+l)),d=-i*i+o*(o+2*c)+u;else o=-a,i=Math.max(0,-(r*o+l)),d=-i*i+o*(o+2*c)+u;else o<=-h?(i=Math.max(0,-(-r*a+l)),o=i>0?-a:Math.min(Math.max(-a,-c),a),d=-i*i+o*(o+2*c)+u):o<=h?(i=0,o=Math.min(Math.max(-a,-c),a),d=o*(o+2*c)+u):(i=Math.max(0,-(r*a+l)),o=i>0?a:Math.min(Math.max(-a,-c),a),d=-i*i+o*(o+2*c)+u);else o=r>0?-a:a,i=Math.max(0,-(r*o+l)),d=-i*i+o*(o+2*c)+u;return n&&n.copy(this.origin).addScaledVector(this.direction,i),s&&s.copy(_segCenter).addScaledVector(_segDir,o),d}intersectSphere(e,t){_vector$a.subVectors(e.center,this.origin);const n=_vector$a.dot(this.direction),s=_vector$a.dot(_vector$a)-n*n,o=e.radius*e.radius;if(s>o)return null;const i=(o-s)**.5,a=n-i,r=n+i;return r<0?null:a<0?this.at(r,t):this.at(a,t)}intersectsSphere(e){return!(e.radius<0)&&this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);if(t===0)return!0;const n=e.normal.dot(this.direction);return n*t<0}intersectBox(e,t){let n,s,i,a,r,c;const l=1/this.direction.x,d=1/this.direction.y,u=1/this.direction.z,o=this.origin;return l>=0?(n=(e.min.x-o.x)*l,s=(e.max.x-o.x)*l):(n=(e.max.x-o.x)*l,s=(e.min.x-o.x)*l),d>=0?(i=(e.min.y-o.y)*d,a=(e.max.y-o.y)*d):(i=(e.max.y-o.y)*d,a=(e.min.y-o.y)*d),n>a||i>s?null:((i>n||isNaN(n))&&(n=i),(a<s||isNaN(s))&&(s=a),u>=0?(r=(e.min.z-o.z)*u,c=(e.max.z-o.z)*u):(r=(e.max.z-o.z)*u,c=(e.min.z-o.z)*u),n>c||r>s?null:((r>n||n!==n)&&(n=r),(c<s||s!==s)&&(s=c),s<0?null:this.at(n>=0?n:s,t)))}intersectsBox(e){return this.intersectBox(e,_vector$a)!==null}intersectTriangle(e,t,n,s,o){_edge1.subVectors(t,e),_edge2.subVectors(n,e),_normal$1.crossVectors(_edge1,_edge2);let i=this.direction.dot(_normal$1),a;if(i>0){if(s)return null;a=1}else if(i<0)a=-1,i=-i;else return null;_diff.subVectors(this.origin,e);const r=a*this.direction.dot(_edge2.crossVectors(_diff,_edge2));if(r<0)return null;const c=a*this.direction.dot(_edge1.cross(_diff));if(c<0)return null;if(r+c>i)return null;const l=-a*_diff.dot(_normal$1);return l<0?null:this.at(l/i,o)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Matrix4{constructor(e,t,n,s,o,i,a,r,c,l,d,u,h,m,f,p){Matrix4.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==0[0]&&this.set(e,t,n,s,o,i,a,r,c,l,d,u,h,m,f,p)}set(e,t,n,s,o,i,a,r,c,l,d,u,h,m,f,p){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=s,g[1]=o,g[5]=i,g[9]=a,g[13]=r,g[2]=c,g[6]=l,g[10]=d,g[14]=u,g[3]=h,g[7]=m,g[11]=f,g[15]=p,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 Matrix4).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return this.determinant()===0?(e.set(1,0,0),t.set(0,1,0),n.set(0,0,1),this):(e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this)}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){if(e.determinant()===0)return this.identity();const t=this.elements,n=e.elements,s=1/_v1$5.setFromMatrixColumn(e,0).length(),o=1/_v1$5.setFromMatrixColumn(e,1).length(),i=1/_v1$5.setFromMatrixColumn(e,2).length();return t[0]=n[0]*s,t[1]=n[1]*s,t[2]=n[2]*s,t[3]=0,t[4]=n[4]*o,t[5]=n[5]*o,t[6]=n[6]*o,t[7]=0,t[8]=n[8]*i,t[9]=n[9]*i,t[10]=n[10]*i,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,{x:c,y:l,z:d}=e,i=Math.cos(c),n=Math.sin(c),a=Math.cos(l),s=Math.sin(l),r=Math.cos(d),o=Math.sin(d);if(e.order==="XYZ"){const e=i*r,c=i*o,l=n*r,d=n*o;t[0]=a*r,t[4]=-a*o,t[8]=s,t[1]=c+l*s,t[5]=e-d*s,t[9]=-n*a,t[2]=d-e*s,t[6]=l+c*s,t[10]=i*a}else if(e.order==="YXZ"){const e=a*r,c=a*o,l=s*r,d=s*o;t[0]=e+d*n,t[4]=l*n-c,t[8]=i*s,t[1]=i*o,t[5]=i*r,t[9]=-n,t[2]=c*n-l,t[6]=d+e*n,t[10]=i*a}else if(e.order==="ZXY"){const e=a*r,c=a*o,l=s*r,d=s*o;t[0]=e-d*n,t[4]=-i*o,t[8]=l+c*n,t[1]=c+l*n,t[5]=i*r,t[9]=d-e*n,t[2]=-i*s,t[6]=n,t[10]=i*a}else if(e.order==="ZYX"){const e=i*r,c=i*o,l=n*r,d=n*o;t[0]=a*r,t[4]=l*s-c,t[8]=e*s+d,t[1]=a*o,t[5]=d*s+e,t[9]=c*s-l,t[2]=-s,t[6]=n*a,t[10]=i*a}else if(e.order==="YZX"){const e=i*a,c=i*s,l=n*a,d=n*s;t[0]=a*r,t[4]=d-e*o,t[8]=l*o+c,t[1]=o,t[5]=i*r,t[9]=-n*r,t[2]=-s*r,t[6]=c*o+l,t[10]=e-d*o}else if(e.order==="XZY"){const e=i*a,c=i*s,l=n*a,d=n*s;t[0]=a*r,t[4]=-o,t[8]=s*r,t[1]=e*o+d,t[5]=i*r,t[9]=c*o-l,t[2]=l*o-c,t[6]=n*r,t[10]=d*o+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(_zero,e,_one)}lookAt(e,t,n){const s=this.elements;return _z.subVectors(e,t),_z.lengthSq()===0&&(_z.z=1),_z.normalize(),_x.crossVectors(n,_z),_x.lengthSq()===0&&(Math.abs(n.z)===1?_z.x+=1e-4:_z.z+=1e-4,_z.normalize(),_x.crossVectors(n,_z)),_x.normalize(),_y.crossVectors(_z,_x),s[0]=_x.x,s[4]=_y.x,s[8]=_z.x,s[1]=_x.y,s[5]=_y.y,s[9]=_z.y,s[2]=_x.z,s[6]=_y.z,s[10]=_z.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,s=t.elements,o=this.elements,i=n[0],a=n[4],r=n[8],c=n[12],l=n[1],d=n[5],u=n[9],h=n[13],m=n[2],f=n[6],p=n[10],g=n[14],v=n[3],b=n[7],j=n[11],y=n[15],_=s[0],w=s[4],O=s[8],x=s[12],C=s[1],E=s[5],k=s[9],A=s[13],S=s[2],M=s[6],F=s[10],T=s[14],z=s[3],D=s[7],N=s[11],L=s[15];return o[0]=i*_+a*C+r*S+c*z,o[4]=i*w+a*E+r*M+c*D,o[8]=i*O+a*k+r*F+c*N,o[12]=i*x+a*A+r*T+c*L,o[1]=l*_+d*C+u*S+h*z,o[5]=l*w+d*E+u*M+h*D,o[9]=l*O+d*k+u*F+h*N,o[13]=l*x+d*A+u*T+h*L,o[2]=m*_+f*C+p*S+g*z,o[6]=m*w+f*E+p*M+g*D,o[10]=m*O+f*k+p*F+g*N,o[14]=m*x+f*A+p*T+g*L,o[3]=v*_+b*C+j*S+y*z,o[7]=v*w+b*E+j*M+y*D,o[11]=v*O+b*k+j*F+y*N,o[15]=v*x+b*A+j*T+y*L,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,j=e[0],y=e[4],w=e[8],_=e[12],i=e[1],a=e[5],r=e[9],c=e[13],l=e[2],t=e[6],h=e[10],n=e[14],d=e[3],u=e[7],o=e[11],s=e[15],m=r*n-c*h,f=a*n-c*t,p=a*h-r*t,g=i*n-c*l,v=i*h-r*l,b=i*t-a*l;return j*(u*m-o*f+s*p)-y*(d*m-o*g+s*v)+w*(d*f-u*g+s*b)-_*(d*p-u*v+o*b)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const s=this.elements;return e.isVector3?(s[12]=e.x,s[13]=e.y,s[14]=e.z):(s[12]=e,s[13]=t,s[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],s=e[2],o=e[3],d=e[4],f=e[5],r=e[6],c=e[7],l=e[8],i=e[9],u=e[10],h=e[11],m=e[12],a=e[13],p=e[14],g=e[15],b=i*p*c-a*u*c+a*r*h-f*p*h-i*r*g+f*u*g,j=m*u*c-l*p*c-m*r*h+d*p*h+l*r*g-d*u*g,y=l*a*c-m*i*c+m*f*h-d*a*h-l*f*g+d*i*g,_=m*i*r-l*a*r-m*f*u+d*a*u+l*f*p-d*i*p,w=t*b+n*j+s*y+o*_;if(w===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const v=1/w;return e[0]=b*v,e[1]=(a*u*o-i*p*o-a*s*h+n*p*h+i*s*g-n*u*g)*v,e[2]=(f*p*o-a*r*o+a*s*c-n*p*c-f*s*g+n*r*g)*v,e[3]=(i*r*o-f*u*o-i*s*c+n*u*c+f*s*h-n*r*h)*v,e[4]=j*v,e[5]=(l*p*o-m*u*o+m*s*h-t*p*h-l*s*g+t*u*g)*v,e[6]=(m*r*o-d*p*o-m*s*c+t*p*c+d*s*g-t*r*g)*v,e[7]=(d*u*o-l*r*o+l*s*c-t*u*c-d*s*h+t*r*h)*v,e[8]=y*v,e[9]=(m*i*o-l*a*o-m*n*h+t*a*h+l*n*g-t*i*g)*v,e[10]=(d*a*o-m*f*o+m*n*c-t*a*c-d*n*g+t*f*g)*v,e[11]=(l*f*o-d*i*o-l*n*c+t*i*c+d*n*h-t*f*h)*v,e[12]=_*v,e[13]=(l*a*s-m*i*s+m*n*u-t*a*u-l*n*p+t*i*p)*v,e[14]=(m*f*s-d*a*s-m*n*r+t*a*r+d*n*p-t*f*p)*v,e[15]=(d*i*s-l*f*s+l*n*r-t*i*r-d*n*u+t*f*u)*v,this}scale(e){const t=this.elements,{x:n,y:s,z:o}=e;return t[0]*=n,t[4]*=s,t[8]*=o,t[1]*=n,t[5]*=s,t[9]*=o,t[2]*=n,t[6]*=s,t[10]*=o,t[3]*=n,t[7]*=s,t[11]*=o,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],s=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.max(t,n,s)**.5}makeTranslation(e,t,n){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const a=Math.cos(t),s=Math.sin(t),c=1-a,{x:r,y:o,z:n}=e,i=c*r,l=c*o;return this.set(i*r+a,i*o-s*n,i*n+s*o,0,i*o+s*n,l*o+a,l*n-s*r,0,i*n-s*o,l*n+s*r,c*n*n+a,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,s,o,i){return this.set(1,n,o,0,e,1,i,0,t,s,1,0,0,0,0,1),this}compose(e,t,n){const s=this.elements,{_x:o,_y:i,_z:r,_w:c}=t,w=o+o,d=i+i,a=r+r,_=o*w,y=o*d,m=o*a,f=i*d,p=i*a,g=r*a,v=c*w,b=c*d,j=c*a,{x:h,y:u,z:l}=n;return s[0]=(1-(f+g))*h,s[1]=(y+j)*h,s[2]=(m-b)*h,s[3]=0,s[4]=(y-j)*u,s[5]=(1-(_+g))*u,s[6]=(p+v)*u,s[7]=0,s[8]=(m+b)*l,s[9]=(p-v)*l,s[10]=(1-(_+f))*l,s[11]=0,s[12]=e.x,s[13]=e.y,s[14]=e.z,s[15]=1,this}decompose(e,t,n){const s=this.elements;if(e.x=s[12],e.y=s[13],e.z=s[14],this.determinant()===0)return n.set(1,1,1),t.identity(),this;let o=_v1$5.set(s[0],s[1],s[2]).length();const c=_v1$5.set(s[4],s[5],s[6]).length(),l=_v1$5.set(s[8],s[9],s[10]).length(),d=this.determinant();d<0&&(o=-o),_m1$2.copy(this);const i=1/o,a=1/c,r=1/l;return _m1$2.elements[0]*=i,_m1$2.elements[1]*=i,_m1$2.elements[2]*=i,_m1$2.elements[4]*=a,_m1$2.elements[5]*=a,_m1$2.elements[6]*=a,_m1$2.elements[8]*=r,_m1$2.elements[9]*=r,_m1$2.elements[10]*=r,t.setFromRotationMatrix(_m1$2),n.x=o,n.y=c,n.z=l,this}makePerspective(e,t,n,s,o,i,a=WebGLCoordinateSystem,r=!1){const c=this.elements,u=2*o/(t-e),h=2*o/(n-s),m=(t+e)/(t-e),f=(n+s)/(n-s);let l,d;if(r)l=o/(i-o),d=i*o/(i-o);else if(a===WebGLCoordinateSystem)l=-(i+o)/(i-o),d=-2*i*o/(i-o);else if(a===WebGPUCoordinateSystem)l=-i/(i-o),d=-i*o/(i-o);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+a);return c[0]=u,c[4]=0,c[8]=m,c[12]=0,c[1]=0,c[5]=h,c[9]=f,c[13]=0,c[2]=0,c[6]=0,c[10]=l,c[14]=d,c[3]=0,c[7]=0,c[11]=-1,c[15]=0,this}makeOrthographic(e,t,n,s,o,i,a=WebGLCoordinateSystem,r=!1){const c=this.elements,u=2/(t-e),h=2/(n-s),m=-(t+e)/(t-e),f=-(n+s)/(n-s);let l,d;if(r)l=1/(i-o),d=i/(i-o);else if(a===WebGLCoordinateSystem)l=-2/(i-o),d=-(i+o)/(i-o);else if(a===WebGPUCoordinateSystem)l=-1/(i-o),d=-o/(i-o);else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+a);return c[0]=u,c[4]=0,c[8]=0,c[12]=m,c[1]=0,c[5]=h,c[9]=0,c[13]=f,c[2]=0,c[6]=0,c[10]=l,c[14]=d,c[3]=0,c[7]=0,c[11]=0,c[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}_v1$5=new Vector3,_m1$2=new Matrix4,_zero=new Vector3(0,0,0),_one=new Vector3(1,1,1),_x=new Vector3,_y=new Vector3,_z=new Vector3,_matrix$2=new Matrix4,_quaternion$3=new Quaternion;class Euler{constructor(e=0,t=0,n=0,s=Euler.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=n,this._order=s}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,s=this._order){return this._x=e,this._y=t,this._z=n,this._order=s,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){const s=e.elements,o=s[0],r=s[4],c=s[8],l=s[1],i=s[5],d=s[9],u=s[2],h=s[6],a=s[10];switch(t){case"XYZ":this._y=Math.asin(clamp(c,-1,1)),Math.abs(c)<.9999999?(this._x=Math.atan2(-d,a),this._z=Math.atan2(-r,o)):(this._x=Math.atan2(h,i),this._z=0);break;case"YXZ":this._x=Math.asin(-clamp(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(c,a),this._z=Math.atan2(l,i)):(this._y=Math.atan2(-u,o),this._z=0);break;case"ZXY":this._x=Math.asin(clamp(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(-u,a),this._z=Math.atan2(-r,i)):(this._y=0,this._z=Math.atan2(l,o));break;case"ZYX":this._y=Math.asin(-clamp(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(h,a),this._z=Math.atan2(l,o)):(this._x=0,this._z=Math.atan2(-r,i));break;case"YZX":this._z=Math.asin(clamp(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-d,i),this._y=Math.atan2(-u,o)):(this._x=0,this._y=Math.atan2(c,a));break;case"XZY":this._z=Math.asin(-clamp(r,-1,1)),Math.abs(r)<.9999999?(this._x=Math.atan2(h,i),this._y=Math.atan2(c,o)):(this._x=Math.atan2(-d,a),this._y=0);break;default:warn("Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return _matrix$2.makeRotationFromQuaternion(e),this.setFromRotationMatrix(_matrix$2,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return _quaternion$3.setFromEuler(this),this.setFromQuaternion(_quaternion$3,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==0[0]&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}Euler.DEFAULT_ORDER="XYZ";class Layers{constructor(){this.mask=1|0}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=4294967295|0}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!==0}isEnabled(e){return(this.mask&(1<<e|0))!==0}}_object3DId=0,_v1$4=new Vector3,_q1=new Quaternion,_m1$1=new Matrix4,_target=new Vector3,_position$3=new Vector3,_scale$2=new Vector3,_quaternion$2=new Quaternion,_xAxis=new Vector3(1,0,0),_yAxis=new Vector3(0,1,0),_zAxis=new Vector3(0,0,1),_addedEvent={type:"added"},_removedEvent={type:"removed"},_childaddedEvent={type:"childadded",child:null},_childremovedEvent={type:"childremoved",child:null};class Object3D extends EventDispatcher{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:_object3DId++}),this.uuid=generateUUID(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Object3D.DEFAULT_UP.clone();const n=new Vector3,e=new Euler,t=new Quaternion,s=new Vector3(1,1,1);function o(){t.setFromEuler(e,!1)}function i(){e.setFromQuaternion(t,0[0],!1)}e._onChange(o),t._onChange(i),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:n},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:t},scale:{configurable:!0,enumerable:!0,value:s},modelViewMatrix:{value:new Matrix4},normalMatrix:{value:new Matrix3}}),this.matrix=new Matrix4,this.matrixWorld=new Matrix4,this.matrixAutoUpdate=Object3D.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new Layers,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=0[0],this.customDistanceMaterial=0[0],this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return _q1.setFromAxisAngle(e,t),this.quaternion.multiply(_q1),this}rotateOnWorldAxis(e,t){return _q1.setFromAxisAngle(e,t),this.quaternion.premultiply(_q1),this}rotateX(e){return this.rotateOnAxis(_xAxis,e)}rotateY(e){return this.rotateOnAxis(_yAxis,e)}rotateZ(e){return this.rotateOnAxis(_zAxis,e)}translateOnAxis(e,t){return _v1$4.copy(e).applyQuaternion(this.quaternion),this.position.add(_v1$4.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(_xAxis,e)}translateY(e){return this.translateOnAxis(_yAxis,e)}translateZ(e){return this.translateOnAxis(_zAxis,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(_m1$1.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?_target.copy(e):_target.set(e,t,n);const s=this.parent;this.updateWorldMatrix(!0,!1),_position$3.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?_m1$1.lookAt(_position$3,_target,this.up):_m1$1.lookAt(_target,_position$3,this.up),this.quaternion.setFromRotationMatrix(_m1$1),s&&(_m1$1.extractRotation(s.matrixWorld),_q1.setFromRotationMatrix(_m1$1),this.quaternion.premultiply(_q1.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(error("Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.removeFromParent(),e.parent=this,this.children.push(e),e.dispatchEvent(_addedEvent),_childaddedEvent.child=e,this.dispatchEvent(_childaddedEvent),_childaddedEvent.child=null):error("Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}const t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(_removedEvent),_childremovedEvent.child=e,this.dispatchEvent(_childremovedEvent),_childremovedEvent.child=null),this}removeFromParent(){const e=this.parent;return e!==null&&e.remove(this),this}clear(){return this.remove(...this.children)}attach(e){return this.updateWorldMatrix(!0,!1),_m1$1.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),_m1$1.multiply(e.parent.matrixWorld)),e.applyMatrix4(_m1$1),e.removeFromParent(),e.parent=this,this.children.push(e),e.updateWorldMatrix(!1,!0),e.dispatchEvent(_addedEvent),_childaddedEvent.child=e,this.dispatchEvent(_childaddedEvent),_childaddedEvent.child=null,this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,o=this.children.length;n<o;n++){const i=this.children[n],s=i.getObjectByProperty(e,t);if(s!==0[0])return s}}getObjectsByProperty(e,t,n=[]){this[e]===t&&n.push(this);const s=this.children;for(let o=0,i=s.length;o<i;o++)s[o].getObjectsByProperty(e,t,n);return n}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(_position$3,e,_scale$2),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(_position$3,_quaternion$2,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let n=0,s=t.length;n<s;n++)t[n].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);const t=this.children;for(let n=0,s=t.length;n<s;n++)t[n].traverseVisible(e)}traverseAncestors(e){const t=this.parent;t!==null&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let n=0,s=t.length;n<s;n++){const o=t[n];o.updateMatrixWorld(e)}}updateWorldMatrix(e,t){const n=this.parent;if(e===!0&&n!==null&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),t===!0){const e=this.children;for(let t=0,n=e.length;t<n;t++){const s=e[t];s.updateWorldMatrix(!1,!0)}}}toJSON(e){const i=e===0[0]||typeof e=="string",n={};i&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const t={};t.uuid=this.uuid,t.type=this.type,this.name!==""&&(t.name=this.name),this.castShadow===!0&&(t.castShadow=!0),this.receiveShadow===!0&&(t.receiveShadow=!0),this.visible===!1&&(t.visible=!1),this.frustumCulled===!1&&(t.frustumCulled=!1),this.renderOrder!==0&&(t.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(t.userData=this.userData),t.layers=this.layers.mask,t.matrix=this.matrix.toArray(),t.up=this.up.toArray(),this.matrixAutoUpdate===!1&&(t.matrixAutoUpdate=!1),this.isInstancedMesh&&(t.type="InstancedMesh",t.count=this.count,t.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(t.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(t.type="BatchedMesh",t.perObjectFrustumCulled=this.perObjectFrustumCulled,t.sortObjects=this.sortObjects,t.drawRanges=this._drawRanges,t.reservedRanges=this._reservedRanges,t.geometryInfo=this._geometryInfo.map(e=>({...e,boundingBox:e.boundingBox?e.boundingBox.toJSON():0[0],boundingSphere:e.boundingSphere?e.boundingSphere.toJSON():0[0]})),t.instanceInfo=this._instanceInfo.map(e=>({...e})),t.availableInstanceIds=this._availableInstanceIds.slice(),t.availableGeometryIds=this._availableGeometryIds.slice(),t.nextIndexStart=this._nextIndexStart,t.nextVertexStart=this._nextVertexStart,t.geometryCount=this._geometryCount,t.maxInstanceCount=this._maxInstanceCount,t.maxVertexCount=this._maxVertexCount,t.maxIndexCount=this._maxIndexCount,t.geometryInitialized=this._geometryInitialized,t.matricesTexture=this._matricesTexture.toJSON(e),t.indirectTexture=this._indirectTexture.toJSON(e),this._colorsTexture!==null&&(t.colorsTexture=this._colorsTexture.toJSON(e)),this.boundingSphere!==null&&(t.boundingSphere=this.boundingSphere.toJSON()),this.boundingBox!==null&&(t.boundingBox=this.boundingBox.toJSON()));function o(t,n){return t[n.uuid]===0[0]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(this.isScene)this.background&&(this.background.isColor?t.background=this.background.toJSON():this.background.isTexture&&(t.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(t.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){t.geometry=o(e.geometries,this.geometry);const n=this.geometry.parameters;if(n!==0[0]&&n.shapes!==0[0]){const t=n.shapes;if(Array.isArray(t))for(let n=0,s=t.length;n<s;n++){const i=t[n];o(e.shapes,i)}else o(e.shapes,t)}}if(this.isSkinnedMesh&&(t.bindMode=this.bindMode,t.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==0[0]&&(o(e.skeletons,this.skeleton),t.skeleton=this.skeleton.uuid)),this.material!==0[0])if(Array.isArray(this.material)){const n=[];for(let t=0,s=this.material.length;t<s;t++)n.push(o(e.materials,this.material[t]));t.material=n}else t.material=o(e.materials,this.material);if(this.children.length>0){t.children=[];for(let n=0;n<this.children.length;n++)t.children.push(this.children[n].toJSON(e).object)}if(this.animations.length>0){t.animations=[];for(let n=0;n<this.animations.length;n++){const s=this.animations[n];t.animations.push(o(e.animations,s))}}if(i){const t=s(e.geometries),o=s(e.materials),i=s(e.textures),a=s(e.images),r=s(e.shapes),c=s(e.skeletons),l=s(e.animations),d=s(e.nodes);t.length>0&&(n.geometries=t),o.length>0&&(n.materials=o),i.length>0&&(n.textures=i),a.length>0&&(n.images=a),r.length>0&&(n.shapes=r),c.length>0&&(n.skeletons=c),l.length>0&&(n.animations=l),d.length>0&&(n.nodes=d)}return n.object=t,n;function s(e){const t=[];for(const s in e){const n=e[s];delete n.metadata,t.push(n)}return t}}clone(e){return(new this.constructor).copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let t=0;t<e.children.length;t++){const n=e.children[t];this.add(n.clone())}return this}}Object3D.DEFAULT_UP=new Vector3(0,1,0),Object3D.DEFAULT_MATRIX_AUTO_UPDATE=!0,Object3D.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0,_v0$1=new Vector3,_v1$3=new Vector3,_v2$2=new Vector3,_v3$2=new Vector3,_vab=new Vector3,_vac=new Vector3,_vbc=new Vector3,_vap=new Vector3,_vbp=new Vector3,_vcp=new Vector3,_v40=new Vector4,_v41=new Vector4,_v42=new Vector4;class Triangle{constructor(e=new Vector3,t=new Vector3,n=new Vector3){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,s){s.subVectors(n,t),_v0$1.subVectors(e,t),s.cross(_v0$1);const o=s.lengthSq();return o>0?s.multiplyScalar(1/o**.5):s.set(0,0,0)}static getBarycoord(e,t,n,s,o){_v0$1.subVectors(s,t),_v1$3.subVectors(n,t),_v2$2.subVectors(e,t);const a=_v0$1.dot(_v0$1),i=_v0$1.dot(_v1$3),r=_v0$1.dot(_v2$2),c=_v1$3.dot(_v1$3),l=_v1$3.dot(_v2$2),d=a*c-i*i;if(d===0)return o.set(0,0,0),null;const u=1/d,h=(c*r-i*l)*u,m=(a*l-i*r)*u;return o.set(1-h-m,m,h)}static containsPoint(e,t,n,s){return this.getBarycoord(e,t,n,s,_v3$2)!==null&&_v3$2.x>=0&&_v3$2.y>=0&&_v3$2.x+_v3$2.y<=1}static getInterpolation(e,t,n,s,o,i,a,r){return this.getBarycoord(e,t,n,s,_v3$2)===null?(r.x=0,r.y=0,"z"in r&&(r.z=0),"w"in r&&(r.w=0),null):(r.setScalar(0),r.addScaledVector(o,_v3$2.x),r.addScaledVector(i,_v3$2.y),r.addScaledVector(a,_v3$2.z),r)}static getInterpolatedAttribute(e,t,n,s,o,i){return _v40.setScalar(0),_v41.setScalar(0),_v42.setScalar(0),_v40.fromBufferAttribute(e,t),_v41.fromBufferAttribute(e,n),_v42.fromBufferAttribute(e,s),i.setScalar(0),i.addScaledVector(_v40,o.x),i.addScaledVector(_v41,o.y),i.addScaledVector(_v42,o.z),i}static isFrontFacing(e,t,n,s){return _v0$1.subVectors(n,t),_v1$3.subVectors(e,t),_v0$1.cross(_v1$3).dot(s)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,s){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[s]),this}setFromAttributeAndIndices(e,t,n,s){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,s),this}clone(){return(new this.constructor).copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return _v0$1.subVectors(this.c,this.b),_v1$3.subVectors(this.a,this.b),_v0$1.cross(_v1$3).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return Triangle.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return Triangle.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,n,s,o){return Triangle.getInterpolation(e,this.a,this.b,this.c,t,n,s,o)}containsPoint(e){return Triangle.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return Triangle.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const o=this.a,d=this.b,h=this.c;let u,i;_vab.subVectors(d,o),_vac.subVectors(h,o),_vap.subVectors(e,o);const a=_vab.dot(_vap),r=_vac.dot(_vap);if(a<=0&&r<=0)return t.copy(o);_vbp.subVectors(e,d);const n=_vab.dot(_vbp),c=_vac.dot(_vbp);if(n>=0&&c<=n)return t.copy(d);const m=a*c-n*r;if(m<=0&&a>=0&&n<=0)return u=a/(a-n),t.copy(o).addScaledVector(_vab,u);_vcp.subVectors(e,h);const l=_vab.dot(_vcp),s=_vac.dot(_vcp);if(s>=0&&l<=s)return t.copy(h);const f=l*r-a*s;if(f<=0&&r>=0&&s<=0)return i=r/(r-s),t.copy(o).addScaledVector(_vac,i);const p=n*s-l*c;if(p<=0&&c-n>=0&&l-s>=0)return _vbc.subVectors(h,d),i=(c-n)/(c-n+(l-s)),t.copy(d).addScaledVector(_vbc,i);const g=1/(p+f+m);return u=f*g,i=m*g,t.copy(o).addScaledVector(_vab,u).addScaledVector(_vac,i)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}_colorKeywords={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},_hslA={h:0,s:0,l:0},_hslB={h:0,s:0,l:0};function hue2rgb(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+(t-e)*6*n:n<1/2?t:n<2/3?e+(t-e)*6*(2/3-n):e}class Color{constructor(e,t,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,n)}set(e,t,n){if(t===0[0]&&n===0[0]){const t=e;t&&t.isColor?this.copy(t):typeof t=="number"?this.setHex(t):typeof t=="string"&&this.setStyle(t)}else this.setRGB(e,t,n);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=SRGBColorSpace){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,ColorManagement.colorSpaceToWorking(this,t),this}setRGB(e,t,n,s=ColorManagement.workingColorSpace){return this.r=e,this.g=t,this.b=n,ColorManagement.colorSpaceToWorking(this,s),this}setHSL(e,t,n,s=ColorManagement.workingColorSpace){if(e=euclideanModulo(e,1),t=clamp(t,0,1),n=clamp(n,0,1),t===0)this.r=this.g=this.b=n;else{const s=n<=.5?n*(1+t):n+t-n*t,o=2*n-s;this.r=hue2rgb(o,s,e+1/3),this.g=hue2rgb(o,s,e),this.b=hue2rgb(o,s,e-1/3)}return ColorManagement.colorSpaceToWorking(this,s),this}setStyle(e,t=SRGBColorSpace){function s(t){if(t===0[0])return;parseFloat(t)<1&&warn("Color: Alpha component of "+e+" will be ignored.")}let n;if(n=/^(\w+)\(([^)]*)\)/.exec(e)){let o;const a=n[1],i=n[2];switch(a){case"rgb":case"rgba":if(o=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(i))return s(o[4]),this.setRGB(Math.min(255,parseInt(o[1],10))/255,Math.min(255,parseInt(o[2],10))/255,Math.min(255,parseInt(o[3],10))/255,t);if(o=/^\s*(\d+)%\s*,\s*(\d+)%\s*,\s*(\d+)%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(i))return s(o[4]),this.setRGB(Math.min(100,parseInt(o[1],10))/100,Math.min(100,parseInt(o[2],10))/100,Math.min(100,parseInt(o[3],10))/100,t);break;case"hsl":case"hsla":if(o=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)%\s*,\s*(\d*\.?\d+)%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(i))return s(o[4]),this.setHSL(parseFloat(o[1])/360,parseFloat(o[2])/100,parseFloat(o[3])/100,t);break;default:warn("Color: Unknown color model "+e)}}else if(n=/^#([A-Fa-f\d]+)$/.exec(e)){const s=n[1],o=s.length;if(o===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(o===6)return this.setHex(parseInt(s,16),t);warn("Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=SRGBColorSpace){const n=_colorKeywords[e.toLowerCase()];return n!==0[0]?this.setHex(n,t):warn("Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=SRGBToLinear(e.r),this.g=SRGBToLinear(e.g),this.b=SRGBToLinear(e.b),this}copyLinearToSRGB(e){return this.r=LinearToSRGB(e.r),this.g=LinearToSRGB(e.g),this.b=LinearToSRGB(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=SRGBColorSpace){return ColorManagement.workingToColorSpace(_color.copy(this),e),Math.round(clamp(_color.r*255,0,255))*65536+Math.round(clamp(_color.g*255,0,255))*256+Math.round(clamp(_color.b*255,0,255))}getHexString(e=SRGBColorSpace){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=ColorManagement.workingColorSpace){ColorManagement.workingToColorSpace(_color.copy(this),t);const{r:a,g:n,b:s}=_color,o=Math.max(a,n,s),r=Math.min(a,n,s);let i,c;const l=(r+o)/2;if(r===o)i=0,c=0;else{const e=o-r;switch(c=l<=.5?e/(o+r):e/(2-o-r),o){case a:i=(n-s)/e+(n<s?6:0);break;case n:i=(s-a)/e+2;break;case s:i=(a-n)/e+4;break}i/=6}return e.h=i,e.s=c,e.l=l,e}getRGB(e,t=ColorManagement.workingColorSpace){return ColorManagement.workingToColorSpace(_color.copy(this),t),e.r=_color.r,e.g=_color.g,e.b

1=_color.b,e}getStyle(e=SRGBColorSpace){ColorManagement.workingToColorSpace(_color.copy(this),e);const{r:t,g:n,b:s}=_color;return e!==SRGBColorSpace?`color(${e} ${t.toFixed(3)} ${n.toFixed(3)} ${s.toFixed(3)})`:`rgb(${Math.round(t*255)},${Math.round(n*255)},${Math.round(s*255)})`}offsetHSL(e,t,n){return this.getHSL(_hslA),this.setHSL(_hslA.h+e,_hslA.s+t,_hslA.l+n)}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(_hslA),e.getHSL(_hslB);const n=lerp(_hslA.h,_hslB.h,t),s=lerp(_hslA.s,_hslB.s,t),o=lerp(_hslA.l,_hslB.l,t);return this.setHSL(n,s,o),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){const n=this.r,s=this.g,o=this.b,t=e.elements;return this.r=t[0]*n+t[3]*s+t[6]*o,this.g=t[1]*n+t[4]*s+t[7]*o,this.b=t[2]*n+t[5]*s+t[8]*o,this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}_color=new Color,Color.NAMES=_colorKeywords,_materialId=0;class Material extends EventDispatcher{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:_materialId++}),this.uuid=generateUUID(),this.name="",this.type="Material",this.blending=NormalBlending,this.side=FrontSide,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=SrcAlphaFactor,this.blendDst=OneMinusSrcAlphaFactor,this.blendEquation=AddEquation,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Color(0,0,0),this.blendAlpha=0,this.depthFunc=LessEqualDepth,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=AlwaysStencilFunc,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=KeepStencilOp,this.stencilZFail=KeepStencilOp,this.stencilZPass=KeepStencilOp,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!==e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e===0[0])return;for(const s in e){const n=e[s];if(n===0[0]){warn(`Material: parameter '${s}' has value of undefined.`);continue}const t=this[s];if(t===0[0]){warn(`Material: '${s}' is not a property of THREE.${this.type}.`);continue}t&&t.isColor?t.set(n):t&&t.isVector3&&n&&n.isVector3?t.copy(n):this[s]=n}}toJSON(e){const n=e===0[0]||typeof e=="string";n&&(e={textures:{},images:{}});const t={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};t.uuid=this.uuid,t.type=this.type,this.name!==""&&(t.name=this.name),this.color&&this.color.isColor&&(t.color=this.color.getHex()),this.roughness!==0[0]&&(t.roughness=this.roughness),this.metalness!==0[0]&&(t.metalness=this.metalness),this.sheen!==0[0]&&(t.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(t.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==0[0]&&(t.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(t.emissive=this.emissive.getHex()),this.emissiveIntensity!==0[0]&&this.emissiveIntensity!==1&&(t.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(t.specular=this.specular.getHex()),this.specularIntensity!==0[0]&&(t.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(t.specularColor=this.specularColor.getHex()),this.shininess!==0[0]&&(t.shininess=this.shininess),this.clearcoat!==0[0]&&(t.clearcoat=this.clearcoat),this.clearcoatRoughness!==0[0]&&(t.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(t.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(t.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(t.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,t.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(t.sheenColorMap=this.sheenColorMap.toJSON(e).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(t.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(e).uuid),this.dispersion!==0[0]&&(t.dispersion=this.dispersion),this.iridescence!==0[0]&&(t.iridescence=this.iridescence),this.iridescenceIOR!==0[0]&&(t.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==0[0]&&(t.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(t.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(t.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==0[0]&&(t.anisotropy=this.anisotropy),this.anisotropyRotation!==0[0]&&(t.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(t.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(t.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(t.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(t.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(t.lightMap=this.lightMap.toJSON(e).uuid,t.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(t.aoMap=this.aoMap.toJSON(e).uuid,t.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(t.bumpMap=this.bumpMap.toJSON(e).uuid,t.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(t.normalMap=this.normalMap.toJSON(e).uuid,t.normalMapType=this.normalMapType,t.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(t.displacementMap=this.displacementMap.toJSON(e).uuid,t.dis

1placementScale=this.displacementScale,t.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(t.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(t.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(t.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(t.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(t.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(t.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(t.envMap=this.envMap.toJSON(e).uuid,this.combine!==0[0]&&(t.combine=this.combine)),this.envMapRotation!==0[0]&&(t.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==0[0]&&(t.envMapIntensity=this.envMapIntensity),this.reflectivity!==0[0]&&(t.reflectivity=this.reflectivity),this.refractionRatio!==0[0]&&(t.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(t.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==0[0]&&(t.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(t.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==0[0]&&(t.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(t.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==0[0]&&this.attenuationDistance!==1/0&&(t.attenuationDistance=this.attenuationDistance),this.attenuationColor!==0[0]&&(t.attenuationColor=this.attenuationColor.getHex()),this.size!==0[0]&&(t.size=this.size),this.shadowSide!==null&&(t.shadowSide=this.shadowSide),this.sizeAttenuation!==0[0]&&(t.sizeAttenuation=this.sizeAttenuation),this.blending!==NormalBlending&&(t.blending=this.blending),this.side!==FrontSide&&(t.side=this.side),this.vertexColors===!0&&(t.vertexColors=!0),this.opacity<1&&(t.opacity=this.opacity),this.transparent===!0&&(t.transparent=!0),this.blendSrc!==SrcAlphaFactor&&(t.blendSrc=this.blendSrc),this.blendDst!==OneMinusSrcAlphaFactor&&(t.blendDst=this.blendDst),this.blendEquation!==AddEquation&&(t.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(t.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(t.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(t.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(t.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(t.blendAlpha=this.blendAlpha),this.depthFunc!==LessEqualDepth&&(t.depthFunc=this.depthFunc),this.depthTest===!1&&(t.depthTest=this.depthTest),this.depthWrite===!1&&(t.depthWrite=this.depthWrite),this.colorWrite===!1&&(t.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(t.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==AlwaysStencilFunc&&(t.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(t.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(t.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==KeepStencilOp&&(t.stencilFail=this.stencilFail),this.stencilZFail!==KeepStencilOp&&(t.stencilZFail=this.stencilZFail),this.stencilZPass!==KeepStencilOp&&(t.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(t.stencilWrite=this.stencilWrite),this.rotation!==0[0]&&this.rotation!==0&&(t.rotation=this.rotation),this.polygonOffset===!0&&(t.polygonOffset=!0),this.polygonOffsetFactor!==0&&(t.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(t.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==0[0]&&this.linewidth!==1&&(t.linewidth=this.linewidth),this.dashSize!==0[0]&&(t.dashSize=this.dashSize),this.gapSize!==0[0]&&(t.gapSize=this.gapSize),this.scale!==0[0]&&(t.scale=this.scale),this.dithering===!0&&(t.dithering=!0),this.alphaTest>0&&(t.alphaTest=this.alphaTest),this.alphaHash===!0&&(t.alphaHash=!0),this.alphaToCoverage===!0&&(t.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(t.premultipliedAlpha=!0),this.forceSinglePass===!0&&(t.forceSinglePass=!0),this.allowOverride===!1&&(t.allowOverride=!1),this.wireframe===!0&&(t.wireframe=!0),this.wireframeLinewidth>1&&(t.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(t.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(t.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(t.flatShading=!0),this.visible===!1&&(t.visible=!1),this.toneMapped===!1&&(t.toneMapped=!1),this.fog===!1&&(t.fog=!1),Object.keys(this.userData).length>0&&(t.userData=this.userData);function s(e){const t=[];for(const s in e){const n=e[s];delete n.metadata,t.push(n)}return t}if(n){const n=s(e.textures),o=s(e.images);n.length>0&&(t.textures=n),o.length>0&&(t.images=o)}return t}clone(){return(new this.constructor).copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(t!==null){const e=t.length;n=new Array(e);for(let s=0;s!==e;++s)n[s]=t[s].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipSh

1adows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.allowOverride=e.allowOverride,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}}class MeshBasicMaterial extends Material{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Color(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.envMapRotation=new Euler,this.combine=MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}_tables=_generateTables();function _generateTables(){const o=new ArrayBuffer(4),a=new Float32Array(o),r=new Uint32Array(o),e=new Uint32Array(512),t=new Uint32Array(512);for(let n=0;n<256;++n){const s=n-127;s<-27?(e[n]=0,e[n|256]=32768,t[n]=24,t[n|256]=24):s<-14?(e[n]=1024>>-s-14,e[n|256]=1024>>-s-14|32768,t[n]=-s-1,t[n|256]=-s-1):s<=15?(e[n]=s+15<<10,e[n|256]=s+15<<10|32768,t[n]=13,t[n|256]=13):s<128?(e[n]=31744,e[n|256]=64512,t[n]=24,t[n|256]=24):(e[n]=31744,e[n|256]=64512,t[n]=13,t[n|256]=13)}const s=new Uint32Array(2048),n=new Uint32Array(64),i=new Uint32Array(64);for(let e=1;e<1024;++e){let t=e<<13,n=0;for(;(t&8388608)===0;)t<<=1,n-=8388608;t&=-8388609,n+=947912704,s[e]=t|n}for(let e=1024;e<2048;++e)s[e]=939524096+(e-1024<<13);for(let e=1;e<31;++e)n[e]=e<<23;n[31]=1199570944,n[32]=2147483648;for(let e=33;e<63;++e)n[e]=2147483648+(e-32<<23);n[63]=3347054592;for(let e=1;e<64;++e)e!==32&&(i[e]=1024);return{floatView:a,uint32View:r,baseTable:e,shiftTable:t,mantissaTable:s,exponentTable:n,offsetTable:i}}function toHalfFloat(e){(e<0?-e:e)>65504&&warn("DataUtils.toHalfFloat(): Value out of range."),e=clamp(e,-65504,65504),_tables.floatView[0]=e;const t=_tables.uint32View[0],n=t>>23&511;return _tables.baseTable[n]+((t&8388607)>>_tables.shiftTable[n])}function fromHalfFloat(e){const t=e>>10;return _tables.uint32View[0]=_tables.mantissaTable[_tables.offsetTable[t]+(e&1023)]+_tables.exponentTable[t],_tables.floatView[0]}class DataUtils{static toHalfFloat(e){return toHalfFloat(e)}static fromHalfFloat(e){return fromHalfFloat(e)}}_vector$9=new Vector3,_vector2$1=new Vector2,_id$2=0;class BufferAttribute{constructor(e,t,n=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:_id$2++}),this.name="",this.array=e,this.itemSize=t,this.count=e!==0[0]?e.length/t:0,this.normalized=n,this.usage=StaticDrawUsage,this.updateRanges=[],this.gpuType=FloatType,this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this.gpuType=e.gpuType,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;

1for(let s=0,o=this.itemSize;s<o;s++)this.array[e+s]=t.array[n+s];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(this.itemSize===2)for(let t=0,n=this.count;t<n;t++)_vector2$1.fromBufferAttribute(this,t),_vector2$1.applyMatrix3(e),this.setXY(t,_vector2$1.x,_vector2$1.y);else if(this.itemSize===3)for(let t=0,n=this.count;t<n;t++)_vector$9.fromBufferAttribute(this,t),_vector$9.applyMatrix3(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)_vector$9.fromBufferAttribute(this,t),_vector$9.applyMatrix4(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)_vector$9.fromBufferAttribute(this,t),_vector$9.applyNormalMatrix(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)_vector$9.fromBufferAttribute(this,t),_vector$9.transformDirection(e),this.setXYZ(t,_vector$9.x,_vector$9.y,_vector$9.z);return this}set(e,t=0){return this.array.set(e,t),this}getComponent(e,t){let n=this.array[e*this.itemSize+t];return this.normalized&&(n=denormalize(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=normalize(n,this.array)),this.array[e*this.itemSize+t]=n,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=denormalize(t,this.array)),t}setX(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=denormalize(t,this.array)),t}setY(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize+1]=t,this}getZ(e){let t=this.array[e*this.itemSize+2];return this.normalized&&(t=denormalize(t,this.array)),t}setZ(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize+2]=t,this}getW(e){let t=this.array[e*this.itemSize+3];return this.normalized&&(t=denormalize(t,this.array)),t}setW(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array)),this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,s){return e*=this.itemSize,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array),s=normalize(s,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=s,this}setXYZW(e,t,n,s,o){return e*=this.itemSize,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array),s=normalize(s,this.array),o=normalize(o,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=s,this.array[e+3]=o,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return this.name!==""&&(e.name=this.name),this.usage!==StaticDrawUsage&&(e.usage=this.usage),e}}class Uint16BufferAttribute extends BufferAttribute{constructor(e,t,n){super(new Uint16Array(e),t,n)}}class Uint32BufferAttribute extends BufferAttribute{constructor(e,t,n){super(new Uint32Array(e),t,n)}}class Float16BufferAttribute extends BufferAttribute{constructor(e,t,n){super(new Uint16Array(e),t,n),this.isFloat16BufferAttribute=!0}getX(e){let t=fromHalfFloat(this.array[e*this.itemSize]);return this.normalized&&(t=denormalize(t,this.array)),t}setX(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize]=toHalfFloat(t),this}getY(e){let t=fromHalfFloat(this.array[e*this.itemSize+1]);return this.normalized&&(t=denormalize(t,this.array)),t}setY(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize+1]=toHalfFloat(t),this}getZ(e){let t=fromHalfFloat(this.array[e*this.itemSize+2]);return this.normalized&&(t=denormalize(t,this.array)),t}setZ(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize+2]=toHalfFloat(t),this}getW(e){let t=fromHalfFloat(this.array[e*this.itemSize+3]);return this.normalized&&(t=denormalize(t,this.array)),t}setW(e,t){return this.normalized&&(t=normalize(t,this.array)),this.array[e*this.itemSize+3]=toH

1alfFloat(t),this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array)),this.array[e+0]=toHalfFloat(t),this.array[e+1]=toHalfFloat(n),this}setXYZ(e,t,n,s){return e*=this.itemSize,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array),s=normalize(s,this.array)),this.array[e+0]=toHalfFloat(t),this.array[e+1]=toHalfFloat(n),this.array[e+2]=toHalfFloat(s),this}setXYZW(e,t,n,s,o){return e*=this.itemSize,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array),s=normalize(s,this.array),o=normalize(o,this.array)),this.array[e+0]=toHalfFloat(t),this.array[e+1]=toHalfFloat(n),this.array[e+2]=toHalfFloat(s),this.array[e+3]=toHalfFloat(o),this}}class Float32BufferAttribute extends BufferAttribute{constructor(e,t,n){super(new Float32Array(e),t,n)}}_id$1=0,_m1=new Matrix4,_obj=new Object3D,_offset=new Vector3,_box$2=new Box3,_boxMorphTargets=new Box3,_vector$8=new Vector3;class BufferGeometry extends EventDispatcher{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:_id$1++}),this.uuid=generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(arrayNeedsUint32(e)?Uint32BufferAttribute:Uint16BufferAttribute)(e,1):this.index=e,this}setIndirect(e,t=0){return this.indirect=e,this.indirectOffset=t,this}getIndirect(){return this.indirect}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==0[0]}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;t!==0[0]&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(n!==0[0]){const t=(new Matrix3).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const s=this.attributes.tangent;return s!==0[0]&&(s.transformDirection(e),s.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return _m1.makeRotationFromQuaternion(e),this.applyMatrix4(_m1),this}rotateX(e){return _m1.makeRotationX(e),this.applyMatrix4(_m1),this}rotateY(e){return _m1.makeRotationY(e),this.applyMatrix4(_m1),this}rotateZ(e){return _m1.makeRotationZ(e),this.applyMatrix4(_m1),this}translate(e,t,n){return _m1.makeTranslation(e,t,n),this.applyMatrix4(_m1),this}scale(e,t,n){return _m1.makeScale(e,t,n),this.applyMatrix4(_m1),this}lookAt(e){return _obj.lookAt(e),_obj.updateMatrix(),this.applyMatrix4(_obj.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(_offset).negate(),this.translate(_offset.x,_offset.y,_offset.z),this}setFromPoints(e){const t=this.getAttribute("position");if(t===0[0]){const t=[];for(let n=0,o=e.length;n<o;n++){const s=e[n];t.push(s.x,s.y,s.z||0)}this.setAttribute("position",new Float32BufferAttribute(t,3))}else{const n=Math.min(e.length,t.count);for(let s=0;s<n;s++){const o=e[s];t.setXYZ(s,o.x,o.y,o.z||0)}e.length>t.count&&warn("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),t.needsUpdate=!0}return this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Box3);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){error("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new Vector3(-(1/0),-(1/0),-(1/0)),new Vector3(1/0,1/0,1/0));return}if(e!==0[0]){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const s=t[e];_box$2.setFromBufferAttribute(s),this.morphTargetsRelative?(_vector$8.addVectors(this.boundingBox.min,_box$2.min),this.boundingBox.expandByPoint(_vector$8),_vector$8.addVectors(this.boundingBox.max,_box$2.max),this.boundingBox.expandByPoint(_vector$8)):(this.boundingBox.expandByPoint(_box$2.min),this.boundingBox.expandByPoint(_box$2.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&error('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new Sphere);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){error("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),this.boundingSphere.set(new Vector3,1/0);return}if(e){const s=this.boundingSphere.center;if(_box$2.setFromBufferAttribute(e),t)for(let e=0,n=t.length;e<n;e++){const s=t[e];_boxMorphTargets.setFromBufferAttribute(s),this.morphTargetsRelative?(_vector$8.addVectors(_box$2.min,_boxMorphTargets.min),_box$2.expandByPoint(_vector$8),_vector$8.addVectors(_box$2.max,_boxMorphTargets.max),_box$2.expandByPoint(_vector$8)):(_box$2.expandByPoint(_boxMorphTargets.min),_box$2.expandByPoint(_boxMorphTargets.max))}_box$2.getCenter(s);let n=0;for(let t=0,o=e.count;t<o;t++)_vector$8.fromBufferAttribute(e,t),n=Math.max(n,s.distanceToSquared(_vector$8));if(t)for(let o=0,a=t.length;o<a;o++){const i=t[o],r=this.morphTargetsRelative;for(let t=0,o=i.count;t<o;t++)_vector$8.fromBufferAttribute(i,t),r&&(_offset.fromBufferAttribute(e,t),_vector$8.add(_offset)),n=Math.max(n,s.distanceToSquared(_vector$8))}this.boundingSphere.radius=n**.5,isNaN(this.boundingSphere.radius)&&error('BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const e=this.index,n=this.attributes;if(e===null||n.position===0[0]||n.normal===0[0]||n.uv===0[0]){error("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}const i=n.position,y=n.normal,v=n.uv;this.hasAttribute("tangent")===!1&&this.setAttribute("tangent",new BufferAttribute(new Float32Array(4*i.count),4));const w=this.getAttribute("tangent"),r=[],c=[];for(let e=0;e<i.count;e++)r[e]=new Vector3,c[e]=new Vector3;const p=new Vector3,u=new Vector3,d=new Vector3,f=new Vector2,t=new Vector2,o=new Vector2,h=new Vector3,l=new Vector3;function _(e,n,s){p.fromBufferAttribute(i,e),u.fromBufferAttribute(i,n),d.fromBufferAttribute(i,s),f.fromBufferAttribute(v,e),t.fromBufferAttribute(v,n),o.fromBufferAttribute(v,s),u.sub(p),d.sub(p),t.sub(f),o.sub(f);const a=1/(t.x*o.y-o.x*t.y);if(!isFinite(a))return;h.copy(u).multiplyScalar(o.y).addScaledVector(d,-t.y).multiplyScalar(a),l.copy(d).multiplyScalar(t.x).addScaledVector(u,-o.x).multiplyScalar(a),r[e].add(h),r[n].add(h),r[s].add(h),c[e].add(l),c[n].add(l),c[s].add(l)}let s=this.groups;s.length===0&&(s=[{start:0,count:e.count}]);for(let t=0,i=s.length;t<i;++t){const n=s[t],o=n.start,a=n.count;for(let t=o,n=o+a;t<n;t+=3)_(e.getX(t+0),e.getX(t+1),e.getX(t+2))}const a=new Vector3,b=new Vector3,m=new Vector3,j=new Vector3;function g(e){m.fromBufferAttribute(y,e),j.copy(m);const t=r[e];a.copy(t),a.sub(m.multiplyScalar(m.dot(t))).normalize(),b.crossVectors(j,t);const n=b.dot(c[e]),s=n<0?-1:1;w.setXYZW(e,a.x,a.y,a.z,s)}for(let t=0,i=s.length;t<i;++t){const n=s[t],o=n.start,a=n.count;for(let t=o,n=o+a;t<n;t+=3)g(e.getX(t+0)),g(e.getX(t+1)),g(e.getX(t+2))}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(e!==0[0]){let s=this.getAttribute("normal");if(s===0[0])s=new BufferAttribute(new Float32Array(e.count*3),3),this.setAttribute("normal",s);else for(let e=0,t=s.count;e<t;e++)s.setXYZ(e,0,0,0);const c=new Vector3,o=new Vector3,l=new Vector3,i=new Vector3,a=new Vector3,r=new Vector3,n=new Vector3,d=new Vector3;if(t)for(let u=0,p=t.count;u<p;u+=3){const h=t.getX(u+0),m=t.getX(u+1),f=t.getX(u+2);c.fromBufferAttribute(e,h),o.fromBufferAttribute(e,m),l.fromBufferAttribute(e,f),n.subVectors(l,o),d.subVectors(c,o),n.cross(d),i.fromBufferAttribute(s,h),a.fromBufferAttribute(s,m),r.fromBufferAttribute(s,f),i.add(n),a.add(n),r.add(n),s.setXYZ(h,i.x,i.y,i.z),s.setXYZ(m,a.x,a.y,a.z),s.setXYZ(f,r.x,r.y,r.z)}else for(let t=0,i=e.count;t<i;t+=3)c.fromBufferAttribute(e,t+0),o.fromBufferAttribute(e,t+1),l.fromBufferAttribute(e,t+2),n.subVectors(l,o),d.subVectors(c,o),n.cross(d),s.setXYZ(t+0,n.x,n.y,n.z),s.setXYZ(t+1,n.x,n.y,n.z),s.setXYZ(t+2,n.x,n.y,n.z);this.normalizeNormals(),s.needsUpdate=!0}}normalizeNormals(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)_vector$8.fromBufferAttribute(e,t),_vector$8.normalize(),e.setXYZ(t,_vector$8.x,_vector$8.y,_vector$8.z)}toNonIndexed(){function t(e,t){const o=e.array,n=e.itemSize,a=e.normalized,i=new o.constructor(t.length*n);let s=0,r=0;for(let a=0,c=t.length;a<c;a++){e.isInterleavedBufferAttribute?s=t[a]*e.data.stride+e.offset:s=t[a]*n;for(let e=0;e<n;e++)i[r++]=o[s++]}return new BufferAttribute(i,n,a)}if(this.index===null)return warn("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new BufferGeometry,n=this.index.array,s=this.attributes;for(const o in s){const i=s[o],a=t(i,n);e.setAttribute(o,a)}const o=this.morphAttributes;for(const s in o){const i=[],a=o[s];for(let e=0,s=a.length;e<s;e++){const o=a[e],r=t(o,n);i.push(r)}e.morphAttributes[s]=i}e.morphTargetsRelative=this.morphTargetsRelative;const i=this.groups;for(let t=0,s=i.length;t<s;t++){const n=i[t];e.addGroup(n.start,n.count,n.materialIndex)}return e}toJSON(){const e={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,this.name!==""&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==0[0]){const t=this.parameters;for(const n in t)t[n]!==0[0]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const t in n){const s=n[t];e.data.attributes[t]=s.toJSON(e.data)}const s={};let o=!1;for(const n in this.morphAttributes){const i=this.morphAttributes[n],t=[];for(let n=0,s=i.length;n<s;n++){const o=i[n];t.push(o.toJSON(e.data))}t.length>0&&(s[n]=t,o=!0)}o&&(e.data.morphAttributes=s,e.data.morphTargetsRelative=this.morphTargetsRelative);const i=this.groups;i.length>0&&(e.data.groups=JSON.parse(JSON.stringify(i)));const a=this.boundingSphere;return a!==null&&(e.data.boundingSphere=a.toJSON()),e}clone(){return(new this.constructor).copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const n=e.index;n!==null&&this.setIndex(n.clone());const s=e.attributes;for(const e in s){const n=s[e];this.setAttribute(e,n.clone(t))}const o=e.morphAttributes;for(const e in o){const n=[],s=o[e];for(let e=0,o=s.length;e<o;e++)n.push(s[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;const i=e.groups;for(let e=0,n=i.length;e<n;e++){const t=i[e];this.addGroup(t.start,t.count,t.materialIndex)}const a=e.boundingBox;a!==null&&(this.boundingBox=a.clone());const r=e.boundingSphere;return r!==null&&(this.boundingSphere=r.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}_inverseMatrix$3=new Matrix4,_ray$3=new Ray,_sphere$6=new Sphere,_sphereHitAt=new Vector3,_vA$1=new Vector3,_vB$1=new Vector3,_vC$1=new Vector3,_tempA=new Vector3,_morphA=new Vector3,_intersectionPoint=new Vector3,_intersectionPointWorld=new Vector3;class Mesh extends Object3D{constructor(e=new BufferGeometry,t=new MeshBasicMaterial){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.morphTargetDictionary=0[0],this.morphTargetInfluences=0[0],this.count=1,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),e.morphTargetInfluences!==0[0]&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==0[0]&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){const n=this.geometry,e=n.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(n!==0[0]){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const s=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[s]=e}}}}getVertexPosition(e,t){const n=this.geometry,i=n.attributes.position,s=n.morphAttributes.position,a=n.morphTargetsRelative;t.fromBufferAttribute(i,e);const o=this.morphTargetInfluences;if(s&&o){_morphA.set(0,0,0);for(let n=0,r=s.length;n<r;n++){const i=o[n],c=s[n];if(i===0)continue;_tempA.fromBufferAttribute(c,e),a?_morphA.addScaledVector(_tempA,i):_morphA.addScaledVector(_tempA.sub(t),i)}t.add(_morphA)}return t}raycast(e,t){const n=this.geometry,o=this.material,s=this.matrixWorld;if(o===0[0])return;if(n.boundingSphere===null&&n.computeBoundingSphere(),_sphere$6.copy(n.boundingSphere),_sphere$6.applyMatrix4(s),_ray$3.copy(e.ray).recast(e.near),_sphere$6.containsPoint(_ray$3.origin)===!1){if(_ray$3.intersectSphere(_sphere$6,_sphereHitAt)===null)return;if(_ray$3.origin.distanceToSquared(_sphereHitAt)>(e.far-e.near)**2)return}if(_inverseMatrix$3.copy(s).invert(),_ray$3.copy(e.ray).applyMatrix4(_inverseMatrix$3),n.boundingBox!==null&&_ray$3.intersectsBox(n.boundingBox)===!1)return;this._computeIntersections(e,t,_ray$3)}_computeIntersections(e,t,n){let s;const a=this.geometry,r=this.material,i=a.index,h=a.attributes.position,c=a.attributes.uv,l=a.attributes.uv1,d=a.attributes.normal,u=a.groups,o=a.drawRange;if(i!==null)if(Array.isArray(r))for(let h=0,m=u.length;h<m;h++){const a=u[h],f=r[a.materialIndex],p=Math.max(a.start,o.start),g=Math.min(i.count,Math.min(a.start+a.count,o.start+o.count));for(let o=p,r=g;o<r;o+=3){const u=i.getX(o),h=i.getX(o+1),m=i.getX(o+2);s=checkGeometryIntersection(this,f,e,n,c,l,d,u,h,m),s&&(s.faceIndex=Math.floor(o/3),s.face.materialIndex=a.materialIndex,t.push(s))}}else{const a=Math.max(0,o.start),u=Math.min(i.count,o.start+o.count);for(let o=a,h=u;o<h;o+=3){const m=i.getX(o),f=i.getX(o+1),p=i.getX(o+2);s=checkGeometryIntersection(this,r,e,n,c,l,d,m,f,p),s&&(s.faceIndex=Math.floor(o/3),t.push(s))}}else if(h!==0[0])if(Array.isArray(r))for(let a=0,m=u.length;a<m;a++){const i=u[a],f=r[i.materialIndex],p=Math.max(i.start,o.start),g=Math.min(h.count,Math.min(i.start+i.count,o.start+o.count));for(let o=p,a=g;o<a;o+=3){const r=o,u=o+1,h=o+2;s=checkGeometryIntersection(this,f,e,n,c,l,d,r,u,h),s&&(s.faceIndex=Math.floor(o/3),s.face.materialIndex=i.materialIndex,t.push(s))}}else{const i=Math.max(0,o.start),a=Math.min(h.count,o.start+o.count);for(let o=i,u=a;o<u;o+=3){const h=o,m=o+1,f=o+2;s=checkGeometryIntersection(this,r,e,n,c,l,d,h,m,f),s&&(s.faceIndex=Math.floor(o/3),t.push(s))}}}}function checkIntersection$1(e,t,n,s,o,i,a,r){let c;if(t.side===BackSide?c=s.intersectTriangle(a,i,o,!0,r):c=s.intersectTriangle(o,i,a,t.side===FrontSide,r),c===null)return null;_intersectionPointWorld.copy(r),_intersectionPointWorld.applyMatrix4(e.matrixWorld);const l=n.ray.origin.distanceTo(_intersectionPointWorld);return l<n.near||l>n.far?null:{distance:l,point:_intersectionPointWorld.clone(),object:e}}function checkGeometryIntersection(e,t,n,s,o,i,a,r,c,l){e.getVertexPosition(r,_vA$1),e.getVertexPosition(c,_vB$1),e.getVertexPosition(l,_vC$1);const d=checkIntersection$1(e,t,n,s,_vA$1,_vB$1,_vC$1,_intersectionPoint);if(d){const e=new Vector3;Triangle.getBarycoord(_intersectionPoint,_vA$1,_vB$1,_vC$1,e),o&&(d.uv=Triangle.getInterpolatedAttribute(o,r,c,l,e,new Vector2)),i&&(d.uv1=Triangle.getInterpolatedAttribute(i,r,c,l,e,new Vector2)),a&&(d.normal=Triangle.getInterpolatedAttribute(a,r,c,l,e,new Vector3),d.normal.dot(s.direction)>0&&d.normal.multiplyScalar(-1));const t={a:r,b:c,c:l,normal:new Vector3,materialIndex:0};Triangle.getNormal(_vA$1,_vB$1,_vC$1,t.normal),d.face=t,d.barycoord=e}return d}class BoxGeometry extends BufferGeometry{constructor(e=1,t=1,n=1,s=1,o=1,i=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:s,heightSegments:o,depthSegments:i};const m=this;s=Math.floor(s),o=Math.floor(o),i=Math.floor(i);const c=[],d=[],u=[],l=[];let r=0,h=0;a("z","y","x",-1,-1,n,t,e,i,o,0),a("z","y","x",1,-1,n,t,-e,i,o,1),a("x","z","y",1,1,e,n,t,s,i,2),a("x","z","y",1,-1,e,n,-t,s,i,3),a("x","y","z",1,-1,e,t,n,s,o,4),a("x","y","z",-1,-1,e,t,-n,s,o,5),this.setIndex(c),this.setAttribute("position",new Float32BufferAttribute(d,3)),this.setAttribute("normal",new Float32BufferAttribute(u,3)),this.setAttribute("uv",new Float32BufferAttribute(l,2));function a(e,t,n,s,o,i,a,f,p,g,v){const w=i/p,O=a/g,x=i/2,C=a/2,E=f/2,j=p+1,k=g+1;let _=0,y=0;const b=new Vector3;for(let i=0;i<k;i++){const a=i*O-C;for(let r=0;r<j;r++){const c=r*w-x;b[e]=c*s,b[t]=a*o,b[n]=E,d.push(b.x,b.y,b.z),b[e]=0,b[t]=0,b[n]=f>0?1:-1,u.push(b.x,b.y,b.z),l.push(r/p),l.push(1-i/g),_+=1}}for(let e=0;e<g;e++)for(let t=0;t<p;t++){const o=r+t+j*e,n=r+t+j*(e+1),i=r+(t+1)+j*(e+1),s=r+(t+1)+j*e;c.push(o,n,s),c.push(n,i,s),y+=6}m.addGroup(h,y,v),h+=y,r+=_}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new BoxGeometry(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function cloneUniforms(e){const t={};for(const n in e){t[n]={};for(const o in e[n]){const s=e[n][o];s&&(s.isColor||s.isMatrix3||s.isMatrix4||s.isVector2||s.isVector3||s.isVector4||s.isTexture||s.isQuaternion)?s.isRenderTargetTexture?(warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),t[n][o]=null):t[n][o]=s.clone():Array.isArray(s)?t[n][o]=s.slice():t[n][o]=s}}return t}function mergeUniforms(e){const t={};for(let n=0;n<e.length;n++){const s=cloneUniforms(e[n]);for(const e in s)t[e]=s[e]}return t}function cloneUniformsGroups(e){const t=[];for(let n=0;n<e.length;n++)t.push(e[n].clone());return t}default_vertex=`void main() {
2	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
3}`,default_fragment=`void main() {
4	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
5}`;class ShaderMaterial extends Material{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=default_vertex,this.fragmentShader=default_fragment,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=0[0],this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==0[0]&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=cloneUniforms(e.uniforms),this.uniformsGroups=cloneUniformsGroups(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this.defaultAttributeValues=Object.assign({},e.defaultAttributeValues),this.index0AttributeName=e.index0AttributeName,this.uniformsNeedUpdate=e.uniformsNeedUpdate,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const s in this.uniforms){const o=this.uniforms[s],n=o.value;n&&n.isTexture?t.uniforms[s]={type:"t",value:n.toJSON(e).uuid}:n&&n.isColor?t.uniforms[s]={type:"c",value:n.getHex()}:n&&n.isVector2?t.uniforms[s]={type:"v2",value:n.toArray()}:n&&n.isVector3?t.uniforms[s]={type:"v3",value:n.toArray()}:n&&n.isVector4?t.uniforms[s]={type:"v4",value:n.toArray()}:n&&n.isMatrix3?t.uniforms[s]={type:"m3",value:n.toArray()}:n&&n.isMatrix4?t.uniforms[s]={type:"m4",value:n.toArray()}:t.uniforms[s]={value:n}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;const n={};for(const e in this.extensions)this.extensions[e]===!0&&(n[e]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}}class Camera extends Object3D{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Matrix4,this.projectionMatrix=new Matrix4,this.projectionMatrixInverse=new Matrix4,this.coordinateSystem=WebGLCoordinateSystem,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}_v3$1=new Vector3,_minTarget=new Vector2,_maxTarget=new Vector2;class PerspectiveCamera extends Camera{constructor(e=50,t=1,n=.1,s=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=s,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=RAD2DEG*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(DEG2RAD*.5*this.fov);return.5*this.getFilmHeight()/e}getEffectiveFOV(){return RAD2DEG*2*Math.atan(Math.tan(DEG2RAD*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,n){_v3$1.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(_v3$1.x,_v3$1.y).multiplyScalar(-e/_v3$1.z),_v3$1.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(_v3$1.x,_v3$1.y).multiplyScalar(-e/_v3$1.z)}getViewSize(e,t){return this.getViewBounds(e,_minTarget,_maxTarget),t.subVectors(_maxTarget,_minTarget)}setViewOffset(e,t,n,s,o,i){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=s,this.view.width=o,this.view.height=i,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const i=this.near;let t=i*Math.tan(DEG2RAD*.5*this.fov)/this.zoom,n=2*t,s=this.aspect*n,o=-.5*s;const e=this.view;if(this.view!==null&&this.view.enabled){const{fullWidth:i,fullHeight:a}=e;o+=e.offsetX*s/i,t-=e.offsetY*n/a,s*=e.width/i,n*=e.height/a}const a=this.filmOffset;a!==0&&(o+=i*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(o,o+s,t,t-n,i,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}fov=-90,aspect=1;class CubeCamera extends Object3D{constructor(e,t,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const s=new PerspectiveCamera(fov,aspect,e,t);s.layers=this.layers,this.add(s);const o=new PerspectiveCamera(fov,aspect,e,t);o.layers=this.layers,this.add(o);const i=new PerspectiveCamera(fov,aspect,e,t);i.layers=this.layers,this.add(i);const a=new PerspectiveCamera(fov,aspect,e,t);a.layers=this.layers,this.add(a);const r=new PerspectiveCamera(fov,aspect,e,t);r.layers=this.layers,this.add(r);const c=new PerspectiveCamera(fov,aspect,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){const a=this.coordinateSystem,r=this.children.concat(),[e,t,n,s,o,i]=r;for(const e of r)this.remove(e);if(a===WebGLCoordinateSystem)e.up.set(0,1,0),e.lookAt(1,0,0),t.up.set(0,1,0),t.lookAt(-1,0,0),n.up.set(0,0,-1),n.lookAt(0,1,0),s.up.set(0,0,1),s.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),i.up.set(0,1,0),i.lookAt(0,0,-1);else if(a===WebGPUCoordinateSystem)e.up.set(0,-1,0),e.lookAt(-1,0,0),t.up.set(0,-1,0),t.lookAt(1,0,0),n.up.set(0,0,1),n.lookAt(0,1,0),s.up.set(0,0,-1),s.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),i.up.set(0,-1,0),i.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+a);for(const e of r)this.add(e),e.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:s}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());const[o,i,a,r,c,l]=this.children,d=e.getRenderTarget(),u=e.getActiveCubeFace(),h=e.getActiveMipmapLevel(),m=e.xr.enabled;e.xr.enabled=!1;const f=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0,s),e.render(t,o),e.setRenderTarget(n,1,s),e.render(t,i),e.setRenderTarget(n,2,s),e.render(t,a),e.setRenderTarget(n,3,s),e.render(t,r),e.setRenderTarget(n,4,s),e.render(t,c),n.texture.generateMipmaps=f,e.setRenderTarget(n,5,s),e.render(t,l),e.setRenderTarget(d,u,h),e.xr.enabled=m,n.texture.needsPMREMUpdate=!0}}class CubeTexture extends Texture{constructor(e=[],t=CubeReflectionMapping,n,s,o,i,a,r,c,l){super(e,t,n,s,o,i,a,r,c,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class WebGLCubeRenderTarget extends WebGLRenderTarget{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},s=[n,n,n,n,n,n];this.texture=new CubeTexture(s),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const n={uniforms:{tEquirect:{value:null}},vertexShader:`
6
7				varying vec3 vWorldDirection;
8
9				vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
10
11					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
12
13				}
14
15				void main() {
16
17					vWorldDirection = transformDirection( position, modelMatrix );
18
19					#include <begin_vertex>
20					#include <project_vertex>
21
22				}
23			`,fragmentShader:`
24
25				uniform sampler2D tEquirect;
26
27				varying vec3 vWorldDirection;
28
29				#include <common>
30
31				void main() {
32
33					vec3 direction = normalize( vWorldDirection );
34
35					vec2 sampleUV = equirectUv( direction );
36
37					gl_FragColor = texture2D( tEquirect, sampleUV );
38
39				}
40			`},i=new BoxGeometry(5,5,5),o=new ShaderMaterial({name:"CubemapFromEquirect",uniforms:cloneUniforms(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:BackSide,blending:NoBlending});o.uniforms.tEquirect.value=t;const s=new Mesh(i,o),a=t.minFilter;t.minFilter===LinearMipmapLinearFilter&&(t.minFilter=LinearFilter);const r=new CubeCamera(1,10,this);return r.update(e,s),t.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(e,t=!0,n=!0,s=!0){const o=e.getRenderTarget();for(let o=0;o<6;o++)e.setRenderTarget(this,o),e.clear(t,n,s);e.setRenderTarget(o)}}class Group extends Object3D{constructor(){super(),this.isGroup=!0,this.type="Group"}}_moveEvent={type:"move"};class WebXRController{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return this._hand===null&&(this._hand=new Group,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return this._targetRay===null&&(this._targetRay=new Group,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new Vector3,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new Vector3),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new Group,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new Vector3,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new Vector3),this._grip}dispatchEvent(e){return this._targetRay!==null&&this._targetRay.dispatchEvent(e),this._grip!==null&&this._grip.dispatchEvent(e),this._hand!==null&&this._hand.dispatchEvent(e),this}connect(e){if(e&&e.hand){const t=this._hand;if(t)for(const n of e.hand.values())this._getHandJoint(t,n)}return this.dispatchEvent({type:"connected",data:e}),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),this._targetRay!==null&&(this._targetRay.visible=!1),this._grip!==null&&(this._grip.visible=!1),this._hand!==null&&(this._hand.visible=!1),this}update(e,t,n){let i=null,a=null,c=null;const s=this._targetRay,o=this._grip,r=this._hand;if(e&&t.session.visibilityState!=="visible-blurred"){if(r&&e.hand){c=!0;for(const i of e.hand.values()){const o=t.getJointPose(i,n),s=this._getHandJoint(r,i);o!==null&&(s.matrix.fromArray(o.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),s.matrixWorldNeedsUpdate=!0,s.jointRadius=o.radius),s.visible=o!==null}const a=r.joints["index-finger-tip"],l=r.joints["thumb-tip"],s=a.position.distanceTo(l.position),o=.02,i=.005;r.inputState.pinching&&s>o+i?(r.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!r.inputState.pinching&&s<=o-i&&(r.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else o!==null&&e.gripSpace&&(a=t.getPose(e.gripSpace,n),a!==null&&(o.matrix.fromArray(a.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,a.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(a.linearVelocity)):o.hasLinearVelocity=!1,a.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(a.angularVelocity)):o.hasAngularVelocity=!1));s!==null&&(i=t.getPose(e.targetRaySpace,n),i===null&&a!==null&&(i=a),i!==null&&(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(_moveEvent)))}return s!==null&&(s.visible=i!==null),o!==null&&(o.visible=a!==null),r!==null&&(r.visible=c!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===0[0]){const n=new Group;n.matrixAutoUpdate=!1,n.visible=!1,e.joints[t.jointName]=n,e.add(n)}return e.joints[t.jointName]}}class Scene extends Object3D{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new Euler,this.environmentIntensity=1,this.environmentRotation=new Euler,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}}class InterleavedBuffer{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e!==0[0]?e.length/t:0,this.usage=StaticDrawUsage,this.updateRanges=[],this.version=0,this.uuid=generateUUID()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let s=0,o=this.stride;s<o;s++)this.array[e+s]=t.array[n+s];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){e.arrayBuffers===0[0]&&(e.arrayBuffers={}),this.array.buffer._uuid===0[0]&&(this.array.buffer._uuid=generateUUID()),e.arrayBuffers[this.array.buffer._uuid]===0[0]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const n=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),t=new this.constructor(n,this.stride);return t.setUsage(this.usage),t}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return e.arrayBuffers===0[0]&&(e.arrayBuffers={}),this.array.buffer._uuid===0[0]&&(this.array.buffer._uuid=generateUUID()),e.arrayBuffers[this.array.buffer._uuid]===0[0]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}_vector$7=new Vector3;class InterleavedBufferAttribute{constructor(e,t,n,s=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=s}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)_vector$7.fromBufferAttribute(this,t),_vector$7.applyMatrix4(e),this.setXYZ(t,_vector$7.x,_vector$7.y,_vector$7.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)_vector$7.fromBufferAttribute(this,t),_vector$7.applyNormalMatrix(e),this.setXYZ(t,_vector$7.x,_vector$7.y,_vector$7.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)_vector$7.fromBufferAttribute(this,t),_vector$7.transformDirection(e),this.setXYZ(t,_vector$7.x,_vector$7.y,_vector$7.z);return this}getComponent(e,t){let n=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(n=denormalize(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=normalize(n,this.array)),this.data.array[e*this.data.stride+this.offset+t]=n,this}setX(e,t){return this.normalized&&(t=normalize(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=normalize(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=normalize(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=normalize(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=denormalize(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=denormalize(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=denormalize(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=denormalize(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,s){return e=e*this.data.stride+this.offset,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array),s=normalize(s,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=s,this}setXYZW(e,t,n,s,o){return e=e*this.data.stride+this.offset,this.normalized&&(t=normalize(t,this.array),n=normalize(n,this.array),s=normalize(s,this.array),o=normalize(o,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=s,this.data.array[e+3]=o,this}clone(e){if(e===0[0]){log("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new BufferAttribute(new this.array.constructor(e),this.itemSize,this.normalized)}return e.interleavedBuffers===0[0]&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===0[0]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new InterleavedBufferAttribute(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===0[0]){log("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return e.interleavedBuffers===0[0]&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===0[0]&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}class SpriteMaterial extends Material{constructor(e){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Color(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}_basePosition=new Vector3,_skinIndex=new Vector4,_skinWeight=new Vector4,_vector3=new Vector3,_matrix4=new Matrix4,_vertex=new Vector3,_sphere$5=new Sphere,_inverseMatrix$2=new Matrix4,_ray$2=new Ray;class SkinnedMesh extends Mesh{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=AttachedBindMode,this.bindMatrix=new Matrix4,this.bindMatrixInverse=new Matrix4,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const e=this.geometry;this.boundingBox===null&&(this.boundingBox=new Box3),this.boundingBox.makeEmpty();const t=e.getAttribute("position");for(let e=0;e<t.count;e++)this.getVertexPosition(e,_vertex),this.boundingBox.expandByPoint(_vertex)}computeBoundingSphere(){const e=this.geometry;this.boundingSphere===null&&(this.boundingSphere=new Sphere),this.boundingSphere.makeEmpty();const t=e.getAttribute("position");for(let e=0;e<t.count;e++)this.getVertexPosition(e,_vertex),this.boundingSphere.expandByPoint(_vertex)}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}raycast(e,t){const s=this.material,n=this.matrixWorld;if(s===0[0])return;if(this.boundingSphere===null&&this.computeBoundingSphere(),_sphere$5.copy(this.boundingSphere),_sphere$5.applyMatrix4(n),e.ray.intersectsSphere(_sphere$5)===!1)return;if(_inverseMatrix$2.copy(n).invert(),_ray$2.copy(e.ray).applyMatrix4(_inverseMatrix$2),this.boundingBox!==null&&_ray$2.intersectsBox(this.boundingBox)===!1)return;this._computeIntersections(e,t,_ray$2)}getVertexPosition(e,t){return super.getVertexPosition(e,t),this.applyBoneTransform(e,t),t}bind(e,t){this.skeleton=e,t===0[0]&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const e=new Vector4,t=this.geometry.attributes.skinWeight;for(let n=0,o=t.count;n<o;n++){e.fromBufferAttribute(t,n);const s=1/e.manhattanLength();s!==1/0?e.multiplyScalar(s):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode===AttachedBindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===DetachedBindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():warn("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(e,t){const n=this.skeleton,s=this.geometry;_skinIndex.fromBufferAttribute(s.attributes.skinIndex,e),_skinWeight.fromBufferAttribute(s.attributes.skinWeight,e),_basePosition.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){const s=_skinWeight.getComponent(e);if(s!==0){const o=_skinIndex.getComponent(e);_matrix4.multiplyMatrices(n.bones[o].matrixWorld,n.boneInverses[o]),t.addScaledVector(_vector3.copy(_basePosition).applyMatrix4(_matrix4),s)}}return t.applyMatrix4(this.bindMatrixInverse)}}class Bone extends Object3D{constructor(){super(),this.isBone=!0,this.type="Bone"}}class DataTexture extends Texture{constructor(e=null,t=1,n=1,s,o,i,a,r,c=NearestFilter,l=NearestFilter,d,u){super(null,i,a,r,c,l,s,o,d,u),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}_offsetMatrix=new Matrix4,_identityMatrix=new Matrix4;class Skeleton{constructor(e=[],t=[]){this.uuid=generateUUID(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.previousBoneMatrices=null,this.boneTexture=null,this.init()}init(){const e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(e.length*16),t.length===0)this.calculateInverses();else if(e.length!==t.length){warn("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new Matrix4)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,n=this.bones.length;e<n;e++){const t=new Matrix4;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,n=this.bones.length;e<n;e++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let t=0,n=this.bones.length;t<n;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const e=this.bones,n=this.boneInverses,s=this.boneMatrices,t=this.boneTexture;for(let t=0,o=e.length;t<o;t++){const i=e[t]?e[t].matrixWorld:_identityMatrix;_offsetMatrix.multiplyMatrices(i,n[t]),_offsetMatrix.toArray(s,t*16)}t!==null&&(t.needsUpdate=!0)}clone(){return new Skeleton(this.bones,this.boneInverses)}computeBoneTexture(){let e=(this.bones.length*4)**.5;e=Math.ceil(e/4)*4,e=Math.max(e,4);const t=new Float32Array(e*e*4);t.set(this.boneMatrices);const n=new DataTexture(t,e,e,RGBAFormat,FloatType);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this}getBoneByName(e){for(let t=0,s=this.bones.length;t<s;t++){const n=this.bones[t];if(n.name===e)return n}}dispose(){this.boneTexture!==null&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,i=e.bones.length;n<i;n++){const o=e.bones[n];let s=t[o];s===0[0]&&(warn("Skeleton: No bone found with UUID:",o),s=new Bone),this.bones.push(s),this.boneInverses.push((new Matrix4).fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){const e={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,n=this.boneInverses;for(let s=0,o=t.length;s<o;s++){const i=t[s];e.bones.push(i.uuid);const a=n[s];e.boneInverses.push(a.toArray())}return e}}class InstancedBufferAttribute extends BufferAttribute{constructor(e,t,n,s=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=s}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){const e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}_instanceLocalMatrix=new Matrix4,_instanceWorldMatrix=new Matrix4,_instanceIntersects=[],_box3=new Box3,_identity=new Matrix4,_mesh$1=new Mesh,_sphere$4=new Sphere;class InstancedMesh extends Mesh{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new InstancedBufferAttribute(new Float32Array(n*16),16),this.instanceColor=null,this.morphTexture=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let e=0;e<n;e++)this.setMatrixAt(e,_identity)}computeBoundingBox(){const e=this.geometry,t=this.count;this.boundingBox===null&&(this.boundingBox=new Box3),e.boundingBox===null&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,_instanceLocalMatrix),_box3.copy(e.boundingBox).applyMatrix4(_instanceLocalMatrix),this.boundingBox.union(_box3)}computeBoundingSphere(){const e=this.geometry,t=this.count;this.boundingSphere===null&&(this.boundingSphere=new Sphere),e.boundingSphere===null&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,_instanceLocalMatrix),_sphere$4.copy(e.boundingSphere).applyMatrix4(_instanceLocalMatrix),this.boundingSphere.union(_sphere$4)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),e.morphTexture!==null&&(this.morphTexture=e.morphTexture.clone()),e.instanceColor!==null&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}getColorAt(e,t){t.fromArray(this.instanceColor.array,e*3)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,e*16)}getMorphAt(e,t){const n=t.morphTargetInfluences,s=this.morphTexture.source.data.data,o=n.length+1,i=e*o+1;for(let e=0;e<n.length;e++)n[e]=s[i+e]}raycast(e,t){const n=this.matrixWorld,s=this.count;if(_mesh$1.geometry=this.geometry,_mesh$1.material=this.material,_mesh$1.material===0[0])return;if(this.boundingSphere===null&&this.computeBoundingSphere(),_sphere$4.copy(this.boundingSphere),_sphere$4.applyMatrix4(n),e.ray.intersectsSphere(_sphere$4)===!1)return;for(let o=0;o<s;o++){this.getMatrixAt(o,_instanceLocalMatrix),_instanceWorldMatrix.multiplyMatrices(n,_instanceLocalMatrix),_mesh$1.matrixWorld=_instanceWorldMatrix,_mesh$1.raycast(e,_instanceIntersects);for(let e=0,s=_instanceIntersects.length;e<s;e++){const n=_instanceIntersects[e];n.instanceId=o,n.object=this,t.push(n)}_instanceIntersects.length=0}}setColorAt(e,t){this.instanceColor===null&&(this.instanceColor=new InstancedBufferAttribute(new Float32Array(this.instanceMatrix.count*3).fill(1),3)),t.toArray(this.instanceColor.array,e*3)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,e*16)}setMorphAt(e,t){const n=t.morphTargetInfluences,s=n.length+1;this.morphTexture===null&&(this.morphTexture=new DataTexture(new Float32Array(s*this.count),s,this.count,RedFormat,FloatType));const o=this.morphTexture.source.data.data;let i=0;for(let e=0;e<n.length;e++)i+=n[e];const r=this.geometry.morphTargetsRelative?1:1-i,a=s*e;o[a]=r,o.set(n,a+1)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),this.morphTexture!==null&&(this.morphTexture.dispose(),this.morphTexture=null)}}_vector1=new Vector3,_vector2=new Vector3,_normalMatrix=new Matrix3;class Plane{constructor(e=new Vector3(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,s){return this.normal.set(e,t,n),this.constant=s,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const s=_vector1.subVectors(n,t).cross(_vector2.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(s,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t){const s=e.delta(_vector1),o=this.normal.dot(s);if(o===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;const n=-(e.start.dot(this.normal)+this.constant)/o;return n<0||n>1?null:t.copy(e.start).addScaledVector(s,n)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const n=t||_normalMatrix.getNormalMatrix(e),s=this.coplanarPoint(_vector1).applyMatrix4(e),o=this.normal.applyMatrix3(n).normalize();return this.constant=-s.dot(o),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return(new this.constructor).copy(this)}}_sphere$3=new Sphere,_defaultSpriteCenter=new Vector2(.5,.5),_vector$6=new Vector3;class Frustum{constructor(e=new Plane,t=new Plane,n=new Plane,s=new Plane,o=new Plane,i=new Plane){this.planes=[e,t,n,s,o,i]}set(e,t,n,s,o,i){const a=this.planes;return a[0].copy(e),a[1].copy(t),a[2].copy(n),a[3].copy(s),a[4].copy(o),a[5].copy(i),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e,t=WebGLCoordinateSystem,n=!1){const o=this.planes,s=e.elements,y=s[0],v=s[1],d=s[2],c=s[3],f=s[4],m=s[5],l=s[6],r=s[7],p=s[8],g=s[9],u=s[10],a=s[11],b=s[12],j=s[13],h=s[14],i=s[15];if(o[0].setComponents(c-y,r-f,a-p,i-b).normalize(),o[1].setComponents(c+y,r+f,a+p,i+b).normalize(),o[2].setComponents(c+v,r+m,a+g,i+j).normalize(),o[3].setComponents(c-v,r-m,a-g,i-j).normalize(),n)o[4].setComponents(d,l,u,h).normalize(),o[5].setComponents(c-d,r-l,a-u,i-h).normalize();else if(o[4].setComponents(c-d,r-l,a-u,i-h).normalize(),t===WebGLCoordinateSystem)o[5].setComponents(c+d,r+l,a+u,i+h).normalize();else if(t===WebGPUCoordinateSystem)o[5].setComponents(d,l,u,h).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==0[0])e.boundingSphere===null&&e.computeBoundingSphere(),_sphere$3.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{const t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),_sphere$3.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(_sphere$3)}intersectsSprite(e){_sphere$3.center.set(0,0,0);const t=_defaultSpriteCenter.distanceTo(e.center);return _sphere$3.radius=.7071067811865476+t,_sphere$3.applyMatrix4(e.matrixWorld),this.intersectsSphere(_sphere$3)}intersectsSphere(e){const t=this.planes,n=e.center,s=-e.radius;for(let e=0;e<6;e++){const o=t[e].distanceToPoint(n);if(o<s)return!1}return!0}intersectsBox(e){const t=this.planes;for(let s=0;s<6;s++){const n=t[s];if(_vector$6.x=n.normal.x>0?e.max.x:e.min.x,_vector$6.y=n.normal.y>0?e.max.y:e.min.y,_vector$6.z=n.normal.z>0?e.max.z:e.min.z,n.distanceToPoint(_vector$6)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}_projScreenMatrix$1=new Matrix4,_frustum$1=new Frustum;class FrustumArray{constructor(){this.coordinateSystem=WebGLCoordinateSystem}intersectsObject(e,t){if(!t.isArrayCamera||t.cameras.length===0)return!1;for(let s=0;s<t.cameras.length;s++){const n=t.cameras[s];if(_projScreenMatrix$1.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),_frustum$1.setFromProjectionMatrix(_projScreenMatrix$1,n.coordinateSystem,n.reversedDepth),_frustum$1.intersectsObject(e))return!0}return!1}intersectsSprite(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let s=0;s<t.cameras.length;s++){const n=t.cameras[s];if(_projScreenMatrix$1.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),_frustum$1.setFromProjectionMatrix(_projScreenMatrix$1,n.coordinateSystem,n.reversedDepth),_frustum$1.intersectsSprite(e))return!0}return!1}intersectsSphere(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let s=0;s<t.cameras.length;s++){const n=t.cameras[s];if(_projScreenMatrix$1.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),_frustum$1.setFromProjectionMatrix(_projScreenMatrix$1,n.coordinateSystem,n.reversedDepth),_frustum$1.intersectsSphere(e))return!0}return!1}intersectsBox(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let s=0;s<t.cameras.length;s++){const n=t.cameras[s];if(_projScreenMatrix$1.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),_frustum$1.setFromProjectionMatrix(_projScreenMatrix$1,n.coordinateSystem,n.reversedDepth),_frustum$1.intersectsBox(e))return!0}return!1}containsPoint(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let s=0;s<t.cameras.length;s++){const n=t.cameras[s];if(_projScreenMatrix$1.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),_frustum$1.setFromProjectionMatrix(_projScreenMatrix$1,n.coordinateSystem,n.reversedDepth),_frustum$1.containsPoint(e))return!0}return!1}clone(){return new FrustumArray}}class LineBasicMaterial extends Material{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Color(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}}_vStart=new Vector3,_vEnd=new Vector3,_inverseMatrix$1=new Matrix4,_ray$1=new Ray,_sphere$1=new Sphere,_intersectPointOnRay=new Vector3,_intersectPointOnSegment=new Vector3;class Line extends Object3D{constructor(e=new BufferGeometry,t=new LineBasicMaterial){super(),this.isLine=!0,this.type="Line",this.geometry=e,this.material=t,this.morphTargetDictionary=0[0],this.morphTargetInfluences=0[0],this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(e.index===null){const n=e.attributes.position,t=[0];for(let e=1,s=n.count;e<s;e++)_vStart.fromBufferAttribute(n,e-1),_vEnd.fromBufferAttribute(n,e),t[e]=t[e-1],t[e]+=_vStart.distanceTo(_vEnd);e.setAttribute("lineDistance",new Float32BufferAttribute(t,1))}else warn("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){const n=this.geometry,a=this.matrixWorld,r=e.params.Line.threshold,s=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),_sphere$1.copy(n.boundingSphere),_sphere$1.applyMatrix4(a),_sphere$1.radius+=r,e.ray.intersectsSphere(_sphere$1)===!1)return;_inverseMatrix$1.copy(a).invert(),_ray$1.copy(e.ray).applyMatrix4(_inverseMatrix$1);const c=r/((this.scale.x+this.scale.y+this.scale.z)/3),i=c*c,l=this.isLineSegments?2:1,o=n.index,d=n.attributes,u=d.position;if(o!==null){{const a=Math.max(0,s.start),n=Math.min(o.count,s.start+s.count);for(let s=a,c=n-1;s<c;s+=l){const d=o.getX(s),u=o.getX(s+1),r=checkIntersection(this,e,_ray$1,i,d,u,s);r&&t.push(r)}if(this.isLineLoop){const r=o.getX(n-1),c=o.getX(a),s=checkIntersection(this,e,_ray$1,i,r,c,n-1);s&&t.push(s)}}}else{const o=Math.max(0,s.start),n=Math.min(u.count,s.start+s.count);for(let s=o,r=n-1;s<r;s+=l){const a=checkIntersection(this,e,_ray$1,i,s,s+1,s);a&&t.push(a)}if(this.isLineLoop){const s=checkIntersection(this,e,_ray$1,i,n-1,o,n-1);s&&t.push(s)}}}updateMorphTargets(){const n=this.geometry,e=n.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(n!==0[0]){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const s=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[s]=e}}}}}function checkIntersection(e,t,n,s,o,i,a){const c=e.geometry.attributes.position;_vStart.fromBufferAttribute(c,o),_vEnd.fromBufferAttribute(c,i);const l=n.distanceSqToSegment(_vStart,_vEnd,_intersectPointOnRay,_intersectPointOnSegment);if(l>s)return;_intersectPointOnRay.applyMatrix4(e.matrixWorld);const r=t.ray.origin.distanceTo(_intersectPointOnRay);if(r<t.near||r>t.far)return;return{distance:r,point:_intersectPointOnSegment.clone().applyMatrix4(e.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:e}}_start=new Vector3,_end=new Vector3;class LineSegments extends Line{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(e.index===null){const n=e.attributes.position,t=[];for(let e=0,s=n.count;e<s;e+=2)_start.fromBufferAttribute(n,e),_end.fromBufferAttribute(n,e+1),t[e]=e===0?0:t[e-1],t[e+1]=t[e]+_start.distanceTo(_end);e.setAttribute("lineDistance",new Float32BufferAttribute(t,1))}else warn("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class LineLoop extends Line{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class PointsMaterial extends Material{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Color(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}_inverseMatrix=new Matrix4,_ray=new Ray,_sphere=new Sphere,_position$2=new Vector3;class Points extends Object3D{constructor(e=new BufferGeometry,t=new PointsMaterial){super(),this.isPoints=!0,this.type="Points",this.geometry=e,this.material=t,this.morphTargetDictionary=0[0],this.morphTargetInfluences=0[0],this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}raycast(e,t){const n=this.geometry,o=this.matrixWorld,r=e.params.Points.threshold,s=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),_sphere.copy(n.boundingSphere),_sphere.applyMatrix4(o),_sphere.radius+=r,e.ray.intersectsSphere(_sphere)===!1)return;_inverseMatrix.copy(o).invert(),_ray.copy(e.ray).applyMatrix4(_inverseMatrix);const c=r/((this.scale.x+this.scale.y+this.scale.z)/3),l=c*c,i=n.index,d=n.attributes,a=d.position;if(i!==null){const n=Math.max(0,s.start),r=Math.min(i.count,s.start+s.count);for(let s=n,d=r;s<d;s++){const c=i.getX(s);_position$2.fromBufferAttribute(a,c),testPoint(_position$2,c,l,o,e,t,this)}}else{const n=Math.max(0,s.start),i=Math.min(a.count,s.start+s.count);for(let s=n,r=i;s<r;s++)_position$2.fromBufferAttribute(a,s),testPoint(_position$2,s,l,o,e,t,this)}}updateMorphTargets(){const n=this.geometry,e=n.morphAttributes,t=Object.keys(e);if(t.length>0){const n=e[t[0]];if(n!==0[0]){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){const s=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[s]=e}}}}}function testPoint(e,t,n,s,o,i,a){const r=_ray.distanceSqToPoint(e);if(r<n){const n=new Vector3;_ray.closestPointToPoint(e,n),n.applyMatrix4(s);const c=o.ray.origin.distanceTo(n);if(c<o.near||c>o.far)return;i.push({distance:c,distanceToRay:r**.5,point:n,index:t,face:null,faceIndex:null,barycoord:null,object:a})}}class FramebufferTexture extends Texture{constructor(e,t){super({width:e,height:t}),this.isFramebufferTexture=!0,this.magFilter=NearestFilter,this.minFilter=NearestFilter,this.generateMipmaps=!1,this.needsUpdate=!0}}class CompressedTexture extends Texture{constructor(e,t,n,s,o,i,a,r,c,l,d,u){super(null,i,a,r,c,l,s,o,d,u),this.isCompressedTexture=!0,this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}class CompressedArrayTexture extends CompressedTexture{constructor(e,t,n,s,o,i){super(e,t,n,o,i),this.isCompressedArrayTexture=!0,this.image.depth=s,this.wrapR=ClampToEdgeWrapping,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class CompressedCubeTexture extends CompressedTexture{constructor(e,t,n){super(0[0],e[0].width,e[0].height,t,n,CubeReflectionMapping),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}}class DepthTexture extends Texture{constructor(e,t,n=UnsignedIntType,s,o,i,a=NearestFilter,r=NearestFilter,c,l=DepthFormat,d=1){if(l!==DepthFormat&&l!==DepthStencilFormat)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");const u={width:e,height:t,depth:d};super(u,s,o,i,a,r,l,n,c),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.source=new Source(Object.assign({},e.image)),this.compareFunction=e.compareFunction,this}toJSON(e){const t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}}class CubeDepthTexture extends DepthTexture{constructor(e,t=UnsignedIntType,n=CubeReflectionMapping,s,o,i=NearestFilter,a=NearestFilter,r,c=DepthFormat){const l={width:e,height:e,depth:1},d=[l,l,l,l,l,l];super(e,e,t,n,s,o,i,a,r,c),this.image=d,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(e){this.image=e}}class CylinderGeometry extends BufferGeometry{constructor(e=1,t=1,n=1,s=32,o=1,i=!1,a=0,r=Math.PI*2){super(),this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:n,radialSegments:s,heightSegments:o,openEnded:i,thetaStart:a,thetaLength:r};const g=this;s=Math.floor(s),o=Math.floor(o);const c=[],u=[],h=[],m=[];let l=0;const d=[],p=n/2;let f=0;b(),i===!1&&(e>0&&v(!0),t>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new Float32BufferAttribute(u,3)),this.setAttribute("normal",new Float32BufferAttribute(h,3)),this.setAttribute("uv",new Float32BufferAttribute(m,2));function b(){const v=new Vector3,i=new Vector3;let b=0;const j=(t-e)/n;for(let c=0;c<=o;c++){const g=[],f=c/o,b=f*(t-e)+e;for(let e=0;e<=s;e++){const t=e/s,o=t*r+a,c=Math.sin(o),d=Math.cos(o);i.x=b*c,i.y=-f*n+p,i.z=b*d,u.push(i.x,i.y,i.z),v.set(c,j,d).normalize(),h.push(v.x,v.y,v.z),m.push(t,1-f),g.push(l++)}d.push(g)}for(let n=0;n<s;n++)for(let s=0;s<o;s++){const r=d[s][n],i=d[s+1][n],l=d[s+1][n+1],a=d[s][n+1];(e>0||s!==0)&&(c.push(r,i,a),b+=3),(t>0||s!==o-1)&&(c.push(i,l,a),b+=3)}g.addGroup(f,b,0),f+=b}function v(n){const j=l,d=new Vector2,o=new Vector3;let v=0;const b=n===!0?e:t,i=n===!0?1:-1;for(let e=1;e<=s;e++)u.push(0,p*i,0),h.push(0,i,0),m.push(.5,.5),l++;const y=l;for(let e=0;e<=s;e++){const f=e/s,t=f*r+a,n=Math.cos(t),c=Math.sin(t);o.x=b*c,o.y=p*i,o.z=b*n,u.push(o.x,o.y,o.z),h.push(0,i,0),d.x=n*.5+.5,d.y=c*.5*i+.5,m.push(d.x,d.y),l++}for(let e=0;e<s;e++){const o=j+e,t=y+e;n===!0?c.push(t,t+1,o):c.push(t+1,t,o),v+=3}g.addGroup(f,v,n===!0?1:2),f+=v}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new CylinderGeometry(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class PlaneGeometry extends BufferGeometry{constructor(e=1,t=1,n=1,s=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:s};const u=e/2,h=t/2,i=Math.floor(n),a=Math.floor(s),o=i+1,m=a+1,f=e/i,p=t/a,r=[],l=[],d=[],c=[];for(let e=0;e<m;e++){const t=e*p-h;for(let n=0;n<o;n++){const s=n*f-u;l.push(s,-t,0),d.push(0,0,1),c.push(n/i),c.push(1-e/a)}}for(let e=0;e<a;e++)for(let t=0;t<i;t++){const a=t+o*e,n=t+o*(e+1),c=t+1+o*(e+1),s=t+1+o*e;r.push(a,n,s),r.push(n,c,s)}this.setIndex(r),this.setAttribute("position",new Float32BufferAttribute(l,3)),this.setAttribute("normal",new Float32BufferAttribute(d,3)),this.setAttribute("uv",new Float32BufferAttribute(c,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new PlaneGeometry(e.width,e.height,e.widthSegments,e.heightSegments)}}class SphereGeometry extends BufferGeometry{constructor(e=1,t=32,n=16,s=0,o=Math.PI*2,i=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:n,phiStart:s,phiLength:o,thetaStart:i,thetaLength:a},t=Math.max(3,Math.floor(t)),n=Math.max(2,Math.floor(n));const u=Math.min(i+a,Math.PI);let p=0;const c=[],r=new Vector3,l=new Vector3,d=[],h=[],m=[],f=[];for(let d=0;d<=n;d++){const b=[],g=d/n;let v=0;d===0&&i===0?v=.5/t:d===n&&u===Math.PI&&(v=-.5/t);for(let n=0;n<=t;n++){const c=n/t;r.x=-e*Math.cos(s+c*o)*Math.sin(i+g*a),r.y=e*Math.cos(i+g*a),r.z=e*Math.sin(s+c*o)*Math.sin(i+g*a),h.push(r.x,r.y,r.z),l.copy(r).normalize(),m.push(l.x,l.y,l.z),f.push(c+v,1-g),b.push(p++)}c.push(b)}for(let e=0;e<n;e++)for(let s=0;s<t;s++){const r=c[e][s+1],o=c[e][s],l=c[e+1][s],a=c[e+1][s+1];(e!==0||i>0)&&d.push(r,o,a),(e!==n-1||u<Math.PI)&&d.push(o,l,a)}this.setIndex(d),this.setAttribute("position",new Float32BufferAttribute(h,3)),this.setAttribute("normal",new Float32BufferAttribute(m,3)),this.setAttribute("uv",new Float32BufferAttribute(f,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new SphereGeometry(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}}class ShadowMaterial extends Material{constructor(e){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Color(0),this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.fog=e.fog,this}}class MeshStandardMaterial extends Material{constructor(e){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Color(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Euler,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.envMapIntensity=e.envMapIntensity,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class MeshPhysicalMaterial extends MeshStandardMaterial{constructor(e){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new Vector2(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return clamp(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Color(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new Color(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Color(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(e)}get anisotropy(){return this._anisotropy}set anisotropy(e){this._anisotropy>0!==e>0&&this.version++,this._anisotropy=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!==e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!==e>0&&this.version++,this._iridescence=e}get dispersion(){return this._dispersion}set dispersion(e){this._dispersion>0!==e>0&&this.version++,this._dispersion=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!==e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!==e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}class MeshPhongMaterial extends Material{constructor(e){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Color(16777215),this.specular=new Color(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Euler,this.combine=MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class MeshToonMaterial extends Material{constructor(e){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Color(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}class MeshNormalMaterial extends Material{constructor(e){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}}class MeshLambertMaterial extends Material{constructor(e){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Color(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Color(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new Euler,this.combine=MultiplyOperation,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class MeshMatcapMaterial extends Material{constructor(e){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Color(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=TangentSpaceNormalMap,this.normalScale=new Vector2(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this.fog=e.fog,this}}class LineDashedMaterial extends LineBasicMaterial{constructor(e){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}function convertArray(e,t){return!e||e.constructor===t?e:typeof t.BYTES_PER_ELEMENT=="number"?new t(e):Array.prototype.slice.call(e)}function getKeyframeOrder(e){function s(t,n){return e[t]-e[n]}const n=e.length,t=new Array(n);for(let e=0;e!==n;++e)t[e]=e;return t.sort(s),t}function sortedArray(e,t,n){const s=e.length,o=new e.constructor(s);for(let i=0,a=0;a!==s;++i){const r=n[i]*t;for(let n=0;n!==t;++n)o[a++]=e[r+n]}return o}function flattenJSON(e,t,n,s){let a=1,o=e[0];for(;o!==0[0]&&o[s]===0[0];)o=e[a++];if(o===0[0])return;let i=o[s];if(i===0[0])return;if(Array.isArray(i))do i=o[s],i!==0[0]&&(t.push(o.time),n.push(...i)),o=e[a++];while(o!==0[0])else if(i.toArray!==0[0])do i=o[s],i!==0[0]&&(t.push(o.time),i.toArray(n,n.length)),o=e[a++];while(o!==0[0])else do i=o[s],i!==0[0]&&(t.push(o.time),n.push(i)),o=e[a++];while(o!==0[0])}class Interpolant{constructor(e,t,n,s){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=s!==0[0]?s:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){const s=this.parameterPositions;let t=this._cachedIndex,o=s[t],n=s[t-1];validate_interval:{seek:{let i;linear_scan:{forward_scan:if(!(e<o)){for(let i=t+2;;){if(o===0[0]){if(e<n)break forward_scan;return t=s.length,this._cachedIndex=t,this.copySampleValue_(t-1)}if(t===i)break;if(n=o,o=s[++t],e<o)break seek}i=s.length;break linear_scan}if(!(e>=n)){const a=s[1];e<a&&(t=2,n=a);for(let i=t-2;;){if(n===0[0])return this._cachedIndex=0,this.copySampleValue_(0);if(t===i)break;if(o=n,n=s[--t-1],e>=n)break seek}i=t,t=0;break linear_scan}break validate_interval}for(;t<i;){const n=t+i>>>1;e<s[n]?i=n:t=n+1}if(o=s[t],n=s[t-1],n===0[0])return this._cachedIndex=0,this.copySampleValue_(0);if(o===0[0])return t=s.length,this._cachedIndex=t,this.copySampleValue_(t-1)}this._cachedIndex=t,this.intervalChanged_(t,n,o)}return this.interpolate_(t,n,e,o)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,s=this.sampleValues,n=this.valueSize,o=e*n;for(let e=0;e!==n;++e)t[e]=s[o+e];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class CubicInterpolant extends Interpolant{constructor(e,t,n,s){super(e,t,n,s),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:ZeroCurvatureEnding,endingEnd:ZeroCurvatureEnding}}intervalChanged_(e,t,n){const s=this.parameterPositions;let o=e-2,i=e+1,a=s[o],r=s[i];if(a===0[0])switch(this.getSettings_().endingStart){case ZeroSlopeEnding:o=e,a=2*t-n;break;case WrapAroundEnding:o=s.length-2,a=t+s[o]-s[o+1];break;default:o=e,a=n}if(r===0[0])switch(this.getSettings_().endingEnd){case ZeroSlopeEnding:i=e,r=2*n-t;break;case WrapAroundEnding:i=1,r=n+s[1]-s[0];break;default:i=e-1,r=t}const c=(n-t)*.5,l=this.valueSize;this._weightPrev=c/(t-a),this._weightNext=c/(r-n),this._offsetPrev=o*l,this._offsetNext=i*l}interpolate_(e,t,n,s){const h=this.resultBuffer,r=this.sampleValues,d=this.valueSize,u=e*d,m=u-d,p=this._offsetPrev,f=this._offsetNext,i=this._weightPrev,l=this._weightNext,o=(n-t)/(s-t),a=o*o,c=a*o,g=-i*c+2*i*a-i*o,v=(1+i)*c+(-1.5-2*i)*a+(-.5+i)*o+1,b=(-1-l)*c+(1.5+l)*a+.5*o,j=l*c-l*a;for(let e=0;e!==d;++e)h[e]=g*r[p+e]+v*r[m+e]+b*r[u+e]+j*r[f+e];return h}}class LinearInterpolant extends Interpolant{constructor(e,t,n,s){super(e,t,n,s)}interpolate_(e,t,n,s){const i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,r=e*o,l=r-o,c=(n-t)/(s-t),d=1-c;for(let e=0;e!==o;++e)i[e]=a[l+e]*d+a[r+e]*c;return i}}class DiscreteInterpolant extends Interpolant{constructor(e,t,n,s){super(e,t,n,s)}interpolate_(e){return this.copySampleValue_(e-1)}}class KeyframeTrack{constructor(e,t,n,s){if(e===0[0])throw new Error("THREE.KeyframeTrack: track name is undefined");if(t===0[0]||t.length===0)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=convertArray(t,this.TimeBufferType),this.values=convertArray(n,this.ValueBufferType),this.setInterpolation(s||this.DefaultInterpolation)}static toJSON(e){const n=e.constructor;let t;if(n.toJSON!==this.toJSON)t=n.toJSON(e);else{t={name:e.name,times:convertArray(e.times,Array),values:convertArray(e.values,Array)};const n=e.getInterpolation();n!==e.DefaultInterpolation&&(t.interpolation=n)}return t.type=e.ValueTypeName,t}InterpolantFactoryMethodDiscrete(e){return new DiscreteInterpolant(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new LinearInterpolant(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new CubicInterpolant(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case InterpolateDiscrete:t=this.InterpolantFactoryMethodDiscrete;break;case InterpolateLinear:t=this.InterpolantFactoryMethodLinear;break;case InterpolateSmooth:t=this.InterpolantFactoryMethodSmooth;break}if(t===0[0]){const t="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(this.createInterpolant===0[0])if(e!==this.DefaultInterpolation)this.setInterpolation(this.DefaultInterpolation);else throw new Error(t);return warn("KeyframeTrack:",t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return InterpolateDiscrete;case this.InterpolantFactoryMethodLinear:return InterpolateLinear;case this.InterpolantFactoryMethodSmooth:return InterpolateSmooth}}getValueSize(){return this.values.length/this.times.length}shift(e){if(e!==0){const t=this.times;for(let n=0,s=t.length;n!==s;++n)t[n]+=e}return this}scale(e){if(e!==1){const t=this.times;for(let n=0,s=t.length;n!==s;++n)t[n]*=e}return this}trim(e,t){const o=this.times,i=o.length;let s=0,n=i-1;for(;s!==i&&o[s]<e;)++s;for(;n!==-1&&o[n]>t;)--n;if(++n,s!==0||n!==i){s>=n&&(n=Math.max(n,1),s=n-1);const e=this.getValueSize();this.times=o.slice(s,n),this.values=this.values.slice(s*e,n*e)}return this}validate(){let e=!0;const s=this.getValueSize();s-Math.floor(s)!==0&&(error("KeyframeTrack: Invalid value size in track.",this),e=!1);const o=this.times,t=this.values,i=o.length;i===0&&(error("KeyframeTrack: Track is empty.",this),e=!1);let n=null;for(let s=0;s!==i;s++){const t=o[s];if(typeof t=="number"&&isNaN(t)){error("KeyframeTrack: Time is not a valid number.",this,s,t),e=!1;break}if(n!==null&&n>t){error("KeyframeTrack: Out of order keys.",this,s,t,n),e=!1;break}n=t}if(t!==0[0]&&isTypedArray(t))for(let n=0,o=t.length;n!==o;++n){const s=t[n];if(isNaN(s)){error("KeyframeTrack: Value is not a valid number.",this,n,s),e=!1;break}}return e}optimize(){const e=this.times.slice(),s=this.values.slice(),t=this.getValueSize(),i=this.getInterpolation()===InterpolateSmooth,o=e.length-1;let n=1;for(let a=1;a<o;++a){let r=!1;const c=e[a],l=e[a+1];if(c!==l&&(a!==1||c!==e[0]))if(i)r=!0;else{const e=a*t,n=e-t,o=e+t;for(let i=0;i!==t;++i){const a=s[e+i];if(a!==s[n+i]||a!==s[o+i]){r=!0;break}}}if(r){if(a!==n){e[n]=e[a];const o=a*t,i=n*t;for(let e=0;e!==t;++e)s[i+e]=s[o+e]}++n}}if(o>0){e[n]=e[o];for(let i=o*t,a=n*t,e=0;e!==t;++e)s[a+e]=s[i+e];++n}return n!==e.length?(this.times=e.slice(0,n),this.values=s.slice(0,n*t)):(this.times=e,this.values=s),this}clone(){const t=this.times.slice(),n=this.values.slice(),s=this.constructor,e=new s(this.name,t,n);return e.createInterpolant=this.createInterpolant,e}}KeyframeTrack.prototype.ValueTypeName="",KeyframeTrack.prototype.TimeBufferType=Float32Array,KeyframeTrack.prototype.ValueBufferType=Float32Array,KeyframeTrack.prototype.DefaultInterpolation=InterpolateLinear;class BooleanKeyframeTrack extends KeyframeTrack{constructor(e,t,n){super(e,t,n)}}BooleanKeyframeTrack.prototype.ValueTypeName="bool",BooleanKeyframeTrack.prototype.ValueBufferType=Array,BooleanKeyframeTrack.prototype.DefaultInterpolation=InterpolateDiscrete,BooleanKeyframeTrack.prototype.InterpolantFactoryMethodLinear=0[0],BooleanKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=0[0];class ColorKeyframeTrack extends KeyframeTrack{constructor(e,t,n,s){super(e,t,n,s)}}ColorKeyframeTrack.prototype.ValueTypeName="color";class NumberKeyframeTrack extends KeyframeTrack{constructor(e,t,n,s){super(e,t,n,s)}}NumberKeyframeTrack.prototype.ValueTypeName="number";class QuaternionLinearInterpolant extends Interpolant{constructor(e,t,n,s){super(e,t,n,s)}interpolate_(e,t,n,s){const a=this.resultBuffer,r=this.sampleValues,i=this.valueSize,c=(n-t)/(s-t);let o=e*i;for(let e=o+i;o!==e;o+=4)Quaternion.slerpFlat(a,0,r,o-i,r,o,c);return a}}class QuaternionKeyframeTrack extends KeyframeTrack{constructor(e,t,n,s){super(e,t,n,s)}InterpolantFactoryMethodLinear(e){return new QuaternionLinearInterpolant(this.times,this.values,this.getValueSize(),e)}}QuaternionKeyframeTrack.prototype.ValueTypeName="quaternion",QuaternionKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=0[0];class StringKeyframeTrack extends KeyframeTrack{constructor(e,t,n){super(e,t,n)}}StringKeyframeTrack.prototype.ValueTypeName="string",StringKeyframeTrack.prototype.ValueBufferType=Array,StringKeyframeTrack.prototype.DefaultInterpolation=InterpolateDiscrete,StringKeyframeTrack.prototype.InterpolantFactoryMethodLinear=0[0],StringKeyframeTrack.prototype.InterpolantFactoryMethodSmooth=0[0];class VectorKeyframeTrack extends KeyframeTrack{constructor(e,t,n,s){super(e,t,n,s)}}VectorKeyframeTrack.prototype.ValueTypeName="vector";class AnimationClip{constructor(e="",t=-1,n=[],s=NormalAnimationBlendMode){this.name=e,this.tracks=n,this.duration=t,this.blendMode=s,this.uuid=generateUUID(),this.userData={},this.duration<0&&this.resetDuration()}static parse(e){const n=[],s=e.tracks,o=1/(e.fps||1);for(let e=0,t=s.length;e!==t;++e)n.push(parseKeyframeTrack(s[e]).scale(o));const t=new this(e.name,e.duration,n,e.blendMode);return t.uuid=e.uuid,t.userData=JSON.parse(e.userData||"{}"),t}static toJSON(e){const t=[],n=e.tracks,s={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode,userData:JSON.stringify(e.userData)};for(let e=0,s=n.length;e!==s;++e)t.push(KeyframeTrack.toJSON(n[e]));return s}static CreateFromMorphTargetSequence(e,t,n,s){const o=t.length,i=[];for(let a=0;a<o;a++){let e=[],r=[];e.push((a+o-1)%o,a,(a+1)%o),r.push(0,1,0);const c=getKeyframeOrder(e);e=sortedArray(e,1,c),r=sortedArray(r,1,c),!s&&e[0]===0&&(e.push(o),r.push(r[0])),i.push(new NumberKeyframeTrack(".morphTargetInfluences["+t[a].name+"]",e,r).scale(1/n))}return new this(e,-1,i)}static findByName(e,t){let n=e;if(!Array.isArray(e)){const t=e;n=t.geometry&&t.geometry.animations||t.animations}for(let e=0;e<n.length;e++)if(n[e].name===t)return n[e];return null}static CreateClipsFromMorphTargetSequences(e,t,n){const s={},i=/^([\w-]*?)([\d]+)$/;for(let t=0,a=e.length;t<a;t++){const o=e[t],n=o.name.match(i);if(n&&n.length>1){const t=n[1];let e=s[t];e||(s[t]=e=[]),e.push(o)}}const o=[];for(const e in s)o.push(this.CreateFromMorphTargetSequence(e,s[e],t,n));return o}static parseAnimation(e,t){if(warn("AnimationClip: parseAnimation() is deprecated and will be removed with r185"),!e)return error("AnimationClip: No animation in JSONLoader data."),null;const s=function(e,t,n,s,o){if(n.length!==0){const i=[],a=[];flattenJSON(n,i,a,s),i.length!==0&&o.push(new e(t,i,a))}},n=[],a=e.name||"default",r=e.fps||30,c=e.blendMode;let o=e.length||-1;const i=e.hierarchy||[];for(let a=0;a<i.length;a++){const e=i[a].keys;if(!e||e.length===0)continue;if(e[0].morphTargets){const s={};let t;for(t=0;t<e.length;t++)if(e[t].morphTargets)for(let n=0;n<e[t].morphTargets.length;n++)s[e[t].morphTargets[n]]=-1;for(const o in s){const i=[],a=[];for(let n=0;n!==e[t].morphTargets.length;++n){const s=e[t];i.push(s.time),a.push(s.morphTarget===o?1:0)}n.push(new NumberKeyframeTrack(".morphTargetInfluence["+o+"]",i,a))}o=s.length*r}else{const o=".bones["+t[a].name+"]";s(VectorKeyframeTrack,o+".position",e,"pos",n),s(QuaternionKeyframeTrack,o+".quaternion",e,"rot",n),s(VectorKeyframeTrack,o+".scale",e,"scl",n)}}if(n.length===0)return null;const l=new this(a,o,n,c);return l}resetDuration(){const t=this.tracks;let e=0;for(let n=0,o=t.length;n!==o;++n){const s=this.tracks[n];e=Math.max(e,s.times[s.times.length-1])}return this.duration=e,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());const t=new this.constructor(this.name,this.duration,e,this.blendMode);return t.userData=JSON.parse(JSON.stringify(this.userData)),t}toJSON(){return this.constructor.toJSON(this)}}function getTrackTypeForValueTypeName(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return NumberKeyframeTrack;

40case"vector":case"vector2":case"vector3":case"vector4":return VectorKeyframeTrack;case"color":return ColorKeyframeTrack;case"quaternion":return QuaternionKeyframeTrack;case"bool":case"boolean":return BooleanKeyframeTrack;case"string":return StringKeyframeTrack}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}function parseKeyframeTrack(e){if(e.type===0[0])throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=getTrackTypeForValueTypeName(e.type);if(e.times===0[0]){const t=[],n=[];flattenJSON(e.keys,t,n,"value"),e.times=t,e.values=n}return t.parse!==0[0]?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}Cache={enabled:!1,files:{},add:function(e,t){if(this.enabled===!1)return;this.files[e]=t},get:function(e){if(this.enabled===!1)return;return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class LoadingManager{constructor(e,t,n){const s=this;let r=!1,i=0,a=0,c=0[0];const o=[];this.onStart=0[0],this.onLoad=e,this.onProgress=t,this.onError=n,this._abortController=null,this.itemStart=function(e){a++,r===!1&&s.onStart!==0[0]&&s.onStart(e,i,a),r=!0},this.itemEnd=function(e){i++,s.onProgress!==0[0]&&s.onProgress(e,i,a),i===a&&(r=!1,s.onLoad!==0[0]&&s.onLoad())},this.itemError=function(e){s.onError!==0[0]&&s.onError(e)},this.resolveURL=function(e){return c?c(e):e},this.setURLModifier=function(e){return c=e,this},this.addHandler=function(e,t){return o.push(e,t),this},this.removeHandler=function(e){const t=o.indexOf(e);return t!==-1&&o.splice(t,2),this},this.getHandler=function(e){for(let t=0,s=o.length;t<s;t+=2){const n=o[t],i=o[t+1];if(n.global&&(n.lastIndex=0),n.test(e))return i}return null},this.abort=function(){return this.abortController.abort(),this._abortController=null,this}}get abortController(){return this._abortController||(this._abortController=new AbortController),this._abortController}}DefaultLoadingManager=new LoadingManager;class Loader{constructor(e){this.manager=e!==0[0]?e:DefaultLoadingManager,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const n=this;return new Promise(function(s,o){n.load(e,s,t,o)})}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}abort(){return this}}Loader.DEFAULT_MATERIAL_NAME="__DEFAULT",loading={};class HttpError extends Error{constructor(e,t){super(e),this.response=t}}class FileLoader extends Loader{constructor(e){super(e),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(e,t,n,s){e===0[0]&&(e=""),this.path!==0[0]&&(e=this.path+e),e=this.manager.resolveURL(e);const o=Cache.get(`file:${e}`);if(o!==0[0])return this.manager.itemStart(e),setTimeout(()=>{t&&t(o),this.manager.itemEnd(e)},0),o;if(loading[e]!==0[0]){loading[e].push({onLoad:t,onProgress:n,onError:s});return}loading[e]=[],loading[e].push({onLoad:t,onProgress:n,onError:s});const a=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:typeof AbortSignal.any=="function"?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),i=this.mimeType,r=this.responseType;fetch(a).then(t=>{if(t.status===200||t.status===0){if(t.status===0&&warn("FileLoader: HTTP Status 0 received."),typeof ReadableStream=="undefined"||t.body===0[0]||t.body.getReader===0[0])return t;const n=loading[e],a=t.body.getReader(),s=t.headers.get("X-File-Size")||t.headers.get("Content-Length"),o=s?parseInt(s):0,r=o!==0;let i=0;const c=new ReadableStream({start(e){t();function t(){a.read().then(({done:s,value:a})=>{if(s)e.close();else{i+=a.byteLength;const s=new ProgressEvent("progress",{lengthComputable:r,loaded:i,total:o});for(let e=0,o=n.length;e<o;e++){const t=n[e];t.onProgress&&t.onProgress(s)}e.enqueue(a),t()}},t=>{e.error(t)})}}});return new Response(c)}throw new HttpError(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`,t)}).then(e=>{switch(r){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then(e=>{const t=new DOMParser;return t.parseFromString(e,i)});case"json":return e.json();default:if(i==="")return e.text();const n=/charset="?([^;"\s]*)"?/i,t=n.exec(i),s=t&&t[1]?t[1].toLowerCase():0[0],o=new TextDecoder(s);return e.arrayBuffer().then(e=>o.decode(e))}}).then(t=>{Cache.add(`file:${e}`,t);const n=loading[e];delete loading[e];for(let e=0,o=n.length;e<o;e++){const s=n[e];s.onLoad&&s.onLoad(t)}}).catch(t=>{const n=loading[e];if(n===0[0])throw this.manager.itemError(e),t;delete loading[e];for(let e=0,o=n.length;e<o;e++){const s=n[e];s.onError&&s.onError(t)}this.manager.itemError(e)}).finally(()=>{this.manager.itemEnd(e)}),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}_loading=new WeakMap;class ImageLoader extends Loader{constructor(e){super(e)}load(e,t,n,s){this.path!==0[0]&&(e=this.path+e),e=this.manager.resolveURL(e);const i=this,a=Cache.get(`image:${e}`);if(a!==0[0]){if(a.complete===!0)i.manager.itemStart(e),setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0);else{let e=_loading.get(a);e===0[0]&&(e=[],_loading.set(a,e)),e.push({onLoad:t,onError:s})}return a}const o=createElementNS("img");function r(){l(),t&&t(this);const n=_loading.get(this)||[];for(let e=0;e<n.length;e++){const t=n[e];t.onLoad&&t.onLoad(this)}_loading.delete(this),i.manager.itemEnd(e)}function c(t){l(),s&&s(t),Cache.remove(`image:${e}`);const n=_loading.get(this)||[];for(let e=0;e<n.length;e++){const s=n[e];s.onError&&s.onError(t)}_loading.delete(this),i.manager.itemError(e),i.manager.itemEnd(e)}function l(){o.removeEventListener("load",r,!1),o.removeEventListener("error",c,!1)}return o.addEventListener("load",r,!1),o.addEventListener("error",c,!1),e.slice(0,5)!=="data:"&&this.crossOrigin!==0[0]&&(o.crossOrigin=this.crossOrigin),Cache.add(`image:${e}`,o),i.manager.itemStart(e),o.src=e,o}}class DataTextureLoader extends Loader{constructor(e){super(e)}load(e,t,n,s){const a=this,o=new DataTexture,i=new FileLoader(this.manager);return i.setResponseType("arraybuffer"),i.setRequestHeader(this.requestHeader),i.setPath(this.path),i.setWithCredentials(a.withCredentials),i.load(e,function(e){let n;try{n=a.parse(e)}catch(e){if(s!==0[0])s(e);else{e(e);return}}n.image!==0[0]?o.image=n.image:n.data!==0[0]&&(o.image.width=n.width,o.image.height=n.height,o.image.data=n.data),o.wrapS=n.wrapS!==0[0]?n.wrapS:ClampToEdgeWrapping,o.wrapT=n.wrapT!==0[0]?n.wrapT:ClampToEdgeWrapping,o.magFilter=n.magFilter!==0[0]?n.magFilter:LinearFilter,o.minFilter=n.minFilter!==0[0]?n.minFilter:LinearFilter,o.anisotropy=n.anisotropy!==0[0]?n.anisotropy:1,n.colorSpace!==0[0]&&(o.colorSpace

40=n.colorSpace),n.flipY!==0[0]&&(o.flipY=n.flipY),n.format!==0[0]&&(o.format=n.format),n.type!==0[0]&&(o.type=n.type),n.mipmaps!==0[0]&&(o.mipmaps=n.mipmaps,o.minFilter=LinearMipmapLinearFilter),n.mipmapCount===1&&(o.minFilter=LinearFilter),n.generateMipmaps!==0[0]&&(o.generateMipmaps=n.generateMipmaps),o.needsUpdate=!0,t&&t(o,n)},n,s),o}}class TextureLoader extends Loader{constructor(e){super(e)}load(e,t,n,s){const o=new Texture,i=new ImageLoader(this.manager);return i.setCrossOrigin(this.crossOrigin),i.setPath(this.path),i.load(e,function(e){o.image=e,o.needsUpdate=!0,t!==0[0]&&t(o)},n,s),o}}class Light extends Object3D{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new Color(e),this.intensity=t}dispose(){this.dispatchEvent({type:"dispose"})}copy(e,t){return super.copy(e,t),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){const t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,t}}class HemisphereLight extends Light{constructor(e,t,n){super(e,n),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(Object3D.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Color(t)}copy(e,t){return super.copy(e,t),this.groundColor.copy(e.groundColor),this}toJSON(e){const t=super.toJSON(e);return t.object.groundColor=this.groundColor.getHex(),t}}_projScreenMatrix=new Matrix4,_lightPositionWorld=new Vector3,_lookTarget=new Vector3;class LightShadow{constructor(e){this.camera=e,this.intensity=1,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new Vector2(512,512),this.mapType=UnsignedByteType,this.map=null,this.mapPass=null,this.matrix=new Matrix4,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Frustum,this._frameExtents=new Vector2(1,1),this._viewportCount=1,this._viewports=[new Vector4(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;_lightPositionWorld.setFromMatrixPosition(e.matrixWorld),t.position.copy(_lightPositionWorld),_lookTarget.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(_lookTarget),t.updateMatrixWorld(),_projScreenMatrix.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(_projScreenMatrix,t.coordinateSystem,t.reversedDepth),t.reversedDepth?n.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(_projScreenMatrix)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.intensity=e.intensity,this.bias=e.bias,this.radius=e.radius,this.autoUpdate=e.autoUpdate,this.needsUpdate=e.needsUpdate,this.normalBias=e.normalBias,this.blurSamples=e.blurSamples,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return this.intensity!==1&&(e.intensity=this.intensity),this.bias!==0&&(e.bias=this.bias),this.normalBias!==0&&(e.normalBias=this.normalBias),this.radius!==1&&(e.radius=this.radius),(this.mapSize.x!==512||this.mapSize.y!==512)&&(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class SpotLightShadow extends LightShadow{constructor(){super(new PerspectiveCamera(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(e){const t=this.camera,n=RAD2DEG*2*e.angle*this.focus,s=this.mapSize.width/this.mapSize.height*this.aspect,o=e.distance||t.far;(n!==t.fov||s!==t.aspect||o!==t.far)&&(t.fov=n,t.aspect=s,t.far=o,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class SpotLight extends Light{constructor(e,t,n=0,s=Math.PI/3,o=0,i=2){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(Object3D.DEFAULT_UP),this.updateMatrix(),this.target=new Object3D,this.distance=n,this.angle=s,this.penumbra=o,this.decay=i,this.map=null,this.shadow=new SpotLightShadow}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.map=e.map,this.shadow=e.shadow.clone(),this}toJSON(e){const t=super.toJSON(e);return t.object.distance=this.distance,t.object.angle=this.angle,t.object.decay=this.decay,t.object.penumbra=this.penumbra,t.object.target=this.target.uuid,this.map&&this.map.isTexture&&(t.object.map=this.map.toJSON(e).uuid),t.object.shadow=this.shadow.toJSON(),t}}class PointLightShadow extends LightShadow{constructor(){super(new PerspectiveCamera(90,1,.5,500)),this.isPointLightShadow=!0}}class PointLight extends Light{constructor(e,t,n=0,s=2){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=s,this.shadow=new PointLightShadow}get power(){return this.intensity*4*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}toJSON(e){const t=super.toJSON(e);return t.object.distance=this.distance,t.object.decay=this.decay,t.object.shadow=this.shadow.toJSON(),t}}class OrthographicCamera extends Camera{constructor(e=-1,t=1,n=1,s=-1,o=.1,i=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=s,this.near=o,this.far=i,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=e.view===null?null:Object.assign({},e.view),this}setViewOffset(e,t,n,s,o,i){this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=s,this.view.width=o,this.view.height=i,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const n=(this.right-this.left)/(2*this.zoom),s=(this.top-this.bottom)/(2*this.zoom),o=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let e=o-n,a=o+n,t=i+s,r=i-s;if(this.view!==null&&this.view.enabled){const n=(this.right-this.left)/this.view.fullWidth/this.zoom,s=(this.top-this.bottom)/this.view.fullHeight/this.zoom;e+=n*this.view.offsetX,a=e+n*this.view.width,t-=s*this.view.offsetY,r=t-s*this.view.height}this.projectionMatrix.makeOrthographic(e,a,t,r,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,this.view!==null&&(t.object.view=Object.assign({},this.view)),t}}class DirectionalLightShadow extends LightShadow{constructor(){super(new OrthographicCamera(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class DirectionalLight extends Light{constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(Object3D.DEFAULT_UP),this.updateMatrix(),this.target=new Object3D,this.shadow=new DirectionalLightShadow}dispose(){super.dispose(),this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}toJSON(e){const t=super.toJSON(e);return t.object.shadow=this.shadow.toJSON(),t.object.target=this.target.uuid,t}}class AmbientLight extends Light{constructor(e,t){super(e,t),this.isAmbientLight=!0,this.type="AmbientLight"}}class RectAreaLight extends Light{constructor(e,t,n=10,s=10){super(e,t),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=n,this.height=s}get power(){return this.intensity*this.width*this.height*Math.PI}set power(e){this.intensity=e/(this.width*this.height*Math.PI)}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){const t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}}class SphericalHarmonics3{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new Vector3)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){const{x:s,y:o,z:i}=e,n=this.coefficients;return t.copy(n[0]).multiplyScalar(.282095),t.addScaledVector(n[1],.488603*o),t.addScaledVector(n[2],.488603*i),t.addScaledVector(n[3],.488603*s),t.addScaledVector(n[4],1.092548*(s*o)),t.addScaledVector(n[5],1.092548*(o*i)),t.addScaledVector(n[6],.315392*(3*i*i-1)),t.addScaledVector(n[7],1.092548*(s*i)),t.addScaledVector(n[8],.546274*(s*s-o*o)),t}getIrradianceAt(e,t){const{x:s,y:o,z:i}=e,n=this.coefficients;return t.copy(n[0]).multiplyScalar(.886227),t.addScaledVector(n[1],2*.511664*o),t.addScaledVector(n[2],2*.511664*i),t.addScaledVector(n[3],2*.511664*s),t.addScaledVector(n[4],2*.429043*s*o),t.addScaledVector(n[5],2*.429043*o*i),t.addScaledVector(n[6],.743125*i*i-.247708),t.addScaledVector(n[7],2*.429043*s*i),t.addScaledVector(n[8],.429043*(s*s-o*o)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(e.coefficients[n],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let n=0;n<9;n++)this.coefficients[n].lerp(e.coefficients[n],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(e,t=0){const n=this.coefficients;for(let s=0;s<9;s++)n[s].fromArray(e,t+s*3);return this}toArray(e=[],t=0){const n=this.coefficients;for(let s=0;s<9;s++)n[s].toArray(e,t+s*3);return e}static getBasisAt(e,t){const{x:n,y:s,z:o}=e;t[0]=.282095,t[1]=.488603*s,t[2]=.488603*o,t[3]=.488603*n,t[4]=1.092548*n*s,t[5]=1.092548*s*o,t[6]=.315392*(3*o*o-1),t[7]=1.092548*n*o,t[8]=.546274*(n*n-s*s)}}class LightProbe extends Light{constructor(e=new SphericalHarmonics3,t=1){super(0[0],t),this.isLightProbe=!0,this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}toJSON(e){const t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}}class LoaderUtils{static extractUrlBase(e){const t=e.lastIndexOf("/");return t===-1?"./":e.slice(0,t+1)}static resolveURL(e,t){return typeof e!="string"||e===""?"":(/^https?:\/\//i.test(t)&&/^\//.test(e)&&(t=t.replace(/(^https?:\/\/[^/]+).*/i,"$1")),/^(https?:)?\/\//i.test(e)?e:/^data:.*,.*$/i.test(e)?e:/^blob:.*$/i.test(e)?e:t+e)}}_errorMap=new WeakMap;class ImageBitmapLoader extends Loader{constructor(e){super(e),this.isImageBitmapLoader=!0,typeof createImageBitmap=="undefined"&&warn("ImageBitmapLoader: createImageBitmap() not supported."),typeof fetch=="undefined"&&warn("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(e){return this.options=e,this}load(e,t,n,s){e===0[0]&&(e=""),this.path!==0[0]&&(e=this.path+e),e=this.manager.resolveURL(e);const o=this,i=Cache.get(`image-bitmap:${e}`);if(i!==0[0]){if(o.manager.itemStart(e),i.then){i.then(n=>{if(_errorMap.has(i)===!0)s&&s(_errorMap.get(i)),o.manager.itemError(e),o.manager.itemEnd(e);else return t&&t(n),o.manager.itemEnd(e),n});return}return setTimeout(function(){t&&t(i),o.manager.itemEnd(e)},0),i}const a={};a.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",a.headers=this.requestHeader,a.signal=typeof AbortSignal.any=="function"?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const r=fetch(e,a).then(function(e){return e.blob()}).then(function(e){return createImageBitmap(e,Object.assign(o.options,{colorSpaceConversion:"none"}))}).then(function(n){return Cache.add(`image-bitmap:${e}`,n),t&&t(n),o.manager.itemEnd(e),n}).catch(function(t){s&&s(t),_errorMap.set(r,t),Cache.remove(`image-bitmap:${e}`),o.manager.itemError(e),o.manager.itemEnd(e)});Cache.add(`image-bitmap:${e}`,r),o.manager.itemStart(e)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class ArrayCamera extends PerspectiveCamera{constructor(e=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=e}}_RESERVED_CHARS_RE="\\[\\]\\.:\\/",_reservedRe=new RegExp("["+_RESERVED_CHARS_RE+"]","g"),_wordChar="[^"+_RESERVED_CHARS_RE+"]",_wordCharOrDot="[^"+_RESERVED_CHARS_RE.replace("\\.","")+"]",_directoryRe=/((?:WC+[/:])*)/.source.replace("WC",_wordChar),_nodeRe=/(WCOD+)?/.source.replace("WCOD",_wordCharOrDot),_objectRe=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",_wordChar),_propertyRe=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",_wordChar),_trackRe=new RegExp("^"+_directoryRe+_nodeRe+_objectRe+_propertyRe+"$"),_supportedObjectNames=["material","materials","bones","map"];class Composite{constructor(e,t,n){const s=n||PropertyBinding.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,s)}getValue(e,t){this.bind();const s=this._targetGroup.nCachedObjects_,n=this._bindings[s];n!==0[0]&&n.getValue(e,t)}setValue(e,t){const n=this._bindings;for(let s=this._targetGroup.nCachedObjects_,o=n.length;s!==o;++s)n[s].setValue(e,t)}bind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}}class PropertyBinding{constructor(e,t,n){this.path=t,this.parsedPath=n||PropertyBinding.parseTrackName(t),this.node=PropertyBinding.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new PropertyBinding.Composite(e,t,n):new PropertyBinding(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(_reservedRe,"")}static parseTrackName(e){const n=_trackRe.exec(e);if(n===null)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const t={nodeName:n[2],objectName:n[3],objectIndex:n[4],propertyName:n[5],propertyIndex:n[6]},s=t.nodeName&&t.nodeName.lastIndexOf(".");if(s!==0[0]&&s!==-1){const e=t.nodeName.substring(s+1);_supportedObjectNames.indexOf(e)!==-1&&(t.nodeName=t.nodeName.substring(0,s),t.objectName=e)}if(t.propertyName===null||t.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return t}static findNode(e,t){if(t===0[0]||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){const n=e.skeleton.getBoneByName(t);if(n!==0[0])return n}if(e.children){const n=function(e){for(let o=0;o<e.length;o++){const s=e[o];if(s.name===t||s.uuid===t)return s;const i=n(s.children);if(i)return i}return null},s=n(e.children);if(s)return s}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){const n=this.resolvedProperty;for(let s=0,o=n.length;s!==o;++s)e[t++]=n[s]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){const n=this.resolvedProperty;for(let s=0,o=n.length;s!==o;++s)n[s]=e[t++]}_setValue_array_setNeedsUpdate(e,t){const n=this.resolvedProperty;for(let s=0,o=n.length;s!==o;++s)n[s]=e[t++];this.targetObject.needsUpdate=!0}

40_setValue_array_setMatrixWorldNeedsUpdate(e,t){const n=this.resolvedProperty;for(let s=0,o=n.length;s!==o;++s)n[s]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node;const n=this.parsedPath,i=n.objectName,a=n.propertyName;let s=n.propertyIndex;if(e||(e=PropertyBinding.findNode(this.rootNode,n.nodeName),this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e){warn("PropertyBinding: No target node found for track: "+this.path+".");return}if(i){let t=n.objectIndex;switch(i){case"materials":if(!e.material){error("PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.materials){error("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);return}e=e.material.materials;break;case"bones":if(!e.skeleton){error("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);return}e=e.skeleton.bones;for(let n=0;n<e.length;n++)if(e[n].name===t){t=n;break}break;case"map":if("map"in e){e=e.map;break}if(!e.material){error("PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.map){error("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);return}e=e.material.map;break;default:if(e[i]===0[0]){error("PropertyBinding: Can not bind to objectName of node undefined.",this);return}e=e[i]}if(t!==0[0]){if(e[t]===0[0]){error("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);return}e=e[t]}}const t=e[a];if(t===0[0]){const t=n.nodeName;error("PropertyBinding: Trying to update property for track: "+t+"."+a+" but it wasn't found.",e);return}let r=this.Versioning.None;this.targetObject=e,e.isMaterial===!0?r=this.Versioning.NeedsUpdate:e.isObject3D===!0&&(r=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(s!==0[0]){if(a==="morphTargetInfluences"){if(!e.geometry){error("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);return}if(!e.geometry.morphAttributes){error("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);return}e.morphTargetDictionary[s]!==0[0]&&(s=e.morphTargetDictionary[s])}o=this.BindingType.ArrayElement,this.resolvedProperty=t,this.propertyIndex=s}else t.fromArray!==0[0]&&t.toArray!==0[0]?(o=this.BindingType.HasFromToArray,this.resolvedProperty=t):Array.isArray(t)?(o=this.BindingType.EntireArray,this.resolvedProperty=t):this.propertyName=a;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][r]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}PropertyBinding.Composite=Composite,PropertyBinding.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},PropertyBinding.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},PropertyBinding.prototype.GetterByBindingType=[PropertyBinding.prototype._getValue_direct,PropertyBinding.prototype._getValue_array,PropertyBinding.prototype._getValue_arrayElement,PropertyBinding.prototype._getValue_toArray],PropertyBinding.prototype.SetterByBindingTypeAndVersioning=[[PropertyBinding.prototype._setValue_direct,PropertyBinding.prototype._setValue_direct_setNeedsUpdate,PropertyBinding.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[PropertyBinding.prototype._setValue_array,PropertyBinding.prototype._setValue_array_setNeedsUpdate,PropertyBinding.prototype._setValue_array_setMatr

40ixWorldNeedsUpdate],[PropertyBinding.prototype._setValue_arrayElement,PropertyBinding.prototype._setValue_arrayElement_setNeedsUpdate,PropertyBinding.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[PropertyBinding.prototype._setValue_fromArray,PropertyBinding.prototype._setValue_fromArray_setNeedsUpdate,PropertyBinding.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]],_controlInterpolantsResultBuffer=new Float32Array(1);class InstancedInterleavedBuffer extends InterleavedBuffer{constructor(e,t,n=1){super(e,t),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){const t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){const t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}}class Spherical{constructor(e=1,t=0,n=0){this.radius=e,this.phi=t,this.theta=n}set(e,t,n){return this.radius=e,this.phi=t,this.theta=n,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){const e=1e-6;return this.phi=clamp(this.phi,e,Math.PI-e),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=(e*e+t*t+n*n)**.5,this.radius===0?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,n),this.phi=Math.acos(clamp(t/this.radius,-1,1))),this}clone(){return(new this.constructor).copy(this)}}class Matrix2{constructor(e,t,n,s){Matrix2.prototype.isMatrix2=!0,this.elements=[1,0,0,1],e!==0[0]&&this.set(e,t,n,s)}identity(){return this.set(1,0,0,1),this}fromArray(e,t=0){for(let n=0;n<4;n++)this.elements[n]=e[n+t];return this}set(e,t,n,s){const o=this.elements;return o[0]=e,o[2]=t,o[1]=n,o[3]=s,this}}class Controls extends EventDispatcher{constructor(e,t=null){super(),this.object=e,this.domElement=t,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(e){if(e===0[0]){warn("Controls: connect() now requires an element.");return}this.domElement!==null&&this.disconnect(),this.domElement=e}disconnect(){}dispose(){}update(){}}function getByteLength(e,t,n,s){const o=getTextureTypeByteLength(s);switch(n){case AlphaFormat:return e*t;case RedFormat:return e*t/o.components*o.byteLength;case RedIntegerFormat:return e*t/o.components*o.byteLength;case RGFormat:return e*t*2/o.components*o.byteLength;case RGIntegerFormat:return e*t*2/o.components*o.byteLength;case RGBFormat:return e*t*3/o.components*o.byteLength;case RGBAFormat:return e*t*4/o.components*o.byteLength;case RGBAIntegerFormat:return e*t*4/o.components*o.byteLength;case RGB_S3TC_DXT1_Format:case RGBA_S3TC_DXT1_Format:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*8;case RGBA_S3TC_DXT3_Format:case RGBA_S3TC_DXT5_Format:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*16;case RGB_PVRTC_2BPPV1_Format:case RGBA_PVRTC_2BPPV1_Format:return Math.max(e,16)*Math.max(t,8)/4;case RGB_PVRTC_4BPPV1_Format:case RGBA_PVRTC_4BPPV1_Format:return Math.max(e,8)*Math.max(t,8)/2;case RGB_ETC1_Format:case RGB_ETC2_Format:case R11_EAC_Format:case SIGNED_R11_EAC_Format:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*8;case RGBA_ETC2_EAC_Format:case RG11_EAC_Format:case SIGNED_RG11_EAC_Format:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*16;case RGBA_ASTC_4x4_Format:return Math.floor((e+3)/4)*Math.floor((t+3)/4)*16;case RGBA_ASTC_5x4_Format:return Math.floor((e+4)/5)*Math.floor((t+3)/4)*16;case RGBA_ASTC_5x5_Format:return Math.floor((e+4)/5)*Math.floor((t+4)/5)*16;case RGBA_ASTC_6x5_Format:return Math.floor((e+5)/6)*Math.floor((t+4)/5)*16;case RGBA_ASTC_6x6_Format:return Math.floor((e+5)/6)*Math.floor((t+5)/6)*16;case RGBA_ASTC_8x5_Format:return Math.floor((e+7)/8)*Math.floor((t+4)/5)*16;case RGBA_ASTC_8x6_Format:return Math.floor((e+7)/8)*Math.floor((t+5)/6)*16;case RGBA_ASTC_8x8_Format:return Math.floor((e+7)/8)*Math.floor((t+7)/8)*16;case RGBA_ASTC_10x5_Format:return Math.floor((e+9)/10)*Math.floor((t+4)/5)*16;case RGBA_ASTC_10x6_Format:return Math.floor((e+9)/10)*Math.floor((t+5)/6)*16;case RGBA_ASTC_10x8_Format:return Math.floor((e+9)/10)*Math.floor((t+7)/8)*16;case RGBA_ASTC_10x10_Format:return Math.floor((e+9)/10)*Math.floor((t+9)/10)*16;case RGBA_ASTC_12x10_Format:return Math.floor((e+11)/12)*Math.floor((t+9)/10)*16;case RGBA_ASTC_12x12_Format:return Math.floor((e+11)/12)*Math.floor((t+11)/12)*16;case RGBA_BPTC_Format:case RGB_BPTC_SIGNED_Format:case RGB_BPTC_UNSIGNED_Format:return Math.ceil(e/4)*Math.ceil(t/4)*16;

40case RED_RGTC1_Format:case SIGNED_RED_RGTC1_Format:return Math.ceil(e/4)*Math.ceil(t/4)*8;case RED_GREEN_RGTC2_Format:case SIGNED_RED_GREEN_RGTC2_Format:return Math.ceil(e/4)*Math.ceil(t/4)*16}throw new Error(`Unable to determine texture byte length for ${n} format.`)}function getTextureTypeByteLength(e){switch(e){case UnsignedByteType:case ByteType:return{byteLength:1,components:1};case UnsignedShortType:case ShortType:case HalfFloatType:return{byteLength:2,components:1};case UnsignedShort4444Type:case UnsignedShort5551Type:return{byteLength:2,components:4};case UnsignedIntType:case IntType:case FloatType:return{byteLength:4,components:1};case UnsignedInt5999Type:case UnsignedInt101111Type:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${e}.`)}typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:REVISION}})),typeof window!="undefined"&&(window.__THREE__?warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=REVISION),refreshUniforms=["alphaMap","alphaTest","anisotropy","anisotropyMap","anisotropyRotation","aoMap","aoMapIntensity","attenuationColor","attenuationDistance","bumpMap","clearcoat","clearcoatMap","clearcoatNormalMap","clearcoatNormalScale","clearcoatRoughness","color","dispersion","displacementMap","emissive","emissiveIntensity","emissiveMap","envMap","envMapIntensity","gradientMap","ior","iridescence","iridescenceIOR","iridescenceMap","iridescenceThicknessMap","lightMap","lightMapIntensity","map","matcap","metalness","metalnessMap","normalMap","normalScale","opacity","roughness","roughnessMap","sheen","sheenColor","sheenColorMap","sheenRoughnessMap","shininess","specular","specularColor","specularColorMap","specularIntensity","specularIntensityMap","specularMap","thickness","transmission","transmissionMap"],_lightsCache=new WeakMap;class NodeMaterialObserver{constructor(e){this.renderObjects=new WeakMap,this.hasNode=this.containsNode(e),this.hasAnimation=e.object.isSkinnedMesh===!0,this.refreshUniforms=refreshUniforms,this.renderId=0}firstInitialization(e){const t=this.renderObjects.has(e);return t===!1&&(this.getRenderObjectData(e),!0)}needsVelocity(e){const t=e.getMRT();return t!==null&&t.has("velocity")}getRenderObjectData(e){let t=this.renderObjects.get(e);if(t===0[0]){const{geometry:n,material:o,object:s}=e;if(t={material:this.getMaterialData(o),geometry:{id:n.id,attributes:this.getAttributesData(n.attributes),indexVersion:n.index?n.index.version:null,drawRange:{start:n.drawRange.start,count:n.drawRange.count}},worldMatrix:s.matrixWorld.clone()},s.center&&(t.center=s.center.clone()),s.morphTargetInfluences&&(t.morphTargetInfluences=s.morphTargetInfluences.slice()),e.bundle!==null&&(t.version=e.bundle.version),t.material.transmission>0){const{width:n,height:s}=e.context;t.bufferWidth=n,t.bufferHeight=s}t.lights=this.getLightsData(e.lightsNode.getLights()),this.renderObjects.set(e,t)}return t}getAttributesData(e){const t={};for(const n in e){const s=e[n];t[n]={version:s.version}}return t}containsNode(e){const t=e.material;for(const e in t)if(t[e]&&t[e].isNode)return!0;return!!(e.context.modelViewMatrix||e.context.modelNormalViewMatrix||e.context.getAO||e.context.getShadow)}getMaterialData(e){const t={};for(const s of this.refreshUniforms){const n=e[s];if(n==null)continue;typeof n=="object"&&n.clone!==0[0]?n.isTexture===!0?t[s]={id:n.id,version:n.version}:t[s]=n.clone():t[s]=n}return t}equals(e,t){const{object:i,material:h,geometry:o}=e,n=this.getRenderObjectData(e);if(n.worldMatrix.equals(i.matrixWorld)!==!0)return n.worldMatrix.copy(i.matrixWorld),!1;const a=n.material;for(const n in a){const t=a[n],e=h[n];if(t.equals!==0[0]){if(t.equals(e)===!1)return t.copy(e),!1}else if(e.isTexture===!0){if(t.id!==e.id||t.version!==e.version)return t.id=e.id,t.version=e.version,!1}else if(t!==e)return a[n]=e,!1}if(a.transmission>0){const{width:t,height:s}=e.context;if(n.bufferWidth!==t||n.bufferHeight!==s)return n.bufferWidth=t,n.bufferHeight=s,!1}const s=n.geometry,r=o.attributes,c=s.attributes,l=Object.keys(c),m=Object.keys(r);if(s.id!==o.id)return s.id=o.id,!1;if(l.length!==m.length)return n.geometry.attributes=this.getAttributesData(r),!1;for(const e of l){const n=c[e],t=r[e];if(t===0[0])return delete c[e],!1;if(n.version!==t.version)return n.version=t.version,!1}const d=o.index,f=s.indexVersion,u=d?d.version:null;if(f!==u)return s.indexVersion=u,!1;

40if(s.drawRange.start!==o.drawRange.start||s.drawRange.count!==o.drawRange.count)return s.drawRange.start=o.drawRange.start,s.drawRange.count=o.drawRange.count,!1;if(n.morphTargetInfluences){let e=!1;for(let t=0;t<n.morphTargetInfluences.length;t++)n.morphTargetInfluences[t]!==i.morphTargetInfluences[t]&&(n.morphTargetInfluences[t]=i.morphTargetInfluences[t],e=!0);if(e)return!1}if(n.lights)for(let e=0;e<t.length;e++)if(n.lights[e].map!==t[e].map)return!1;return n.center&&n.center.equals(i.center)===!1?(n.center.copy(i.center),!0):(e.bundle!==null&&(n.version=e.bundle.version),!0)}getLightsData(e){const t=[];for(const n of e)n.isSpotLight===!0&&n.map!==null&&t.push({map:n.map.version});return t}getLights(e,t){if(_lightsCache.has(e)){const n=_lightsCache.get(e);if(n.renderId===t)return n.lightsData}const n=this.getLightsData(e.getLights());return _lightsCache.set(e,{renderId:t,lightsData:n}),n}needsRefresh(e,t){if(this.hasNode||this.hasAnimation||this.firstInitialization(e)||this.needsVelocity(t.renderer))return!0;const{renderId:n}=t;if(this.renderId!==n)return this.renderId=n,!0;const s=e.object.static===!0,o=e.bundle!==null&&e.bundle.static===!0&&this.getRenderObjectData(e).version===e.bundle.version;if(s||o)return!1;const i=this.getLights(e.lightsNode,n),a=this.equals(e,i)!==!0;return a}}function cyrb53(e,t=0){let n=3735928559^t,s=1103547991^t;if(e instanceof Array)for(let t=0,o;t<e.length;t++)o=e[t],n=Math.imul(n^o,2654435761),s=Math.imul(s^o,1597334677);else for(let t=0,o;t<e.length;t++)o=e.charCodeAt(t),n=Math.imul(n^o,2654435761),s=Math.imul(s^o,1597334677);return n=Math.imul(n^n>>>16,2246822507),n^=Math.imul(s^s>>>13,3266489909),s=Math.imul(s^s>>>16,2246822507),s^=Math.imul(n^n>>>13,3266489909),4294967296*(2097151&s)+(n>>>0)}hashString=e=>cyrb53(e),hashArray=e=>cyrb53(e),hash$1=(...e)=>cyrb53(e),typeFromLength=new Map([[1,"float"],[2,"vec2"],[3,"vec3"],[4,"vec4"],[9,"mat3"],[16,"mat4"]]),dataFromObject=new WeakMap;function getTypeFromLength(e){return typeFromLength.get(e)}function getValueType(e){if(e==null)return null;const t=typeof e;return e.isNode===!0?"node":t==="number"?"float":t==="boolean"?"bool":t==="string"?"string":t==="function"?"shader":e.isVector2===!0?"vec2":e.isVector3===!0?"vec3":e.isVector4===!0?"vec4":e.isMatrix2===!0?"mat2":e.isMatrix3===!0?"mat3":e.isMatrix4===!0?"mat4":e.isColor===!0?"color":e instanceof ArrayBuffer?"ArrayBuffer":null}function getValueFromType(t,...e){const n=t?t.slice(-4):0[0];return e.length===1&&(n==="vec2"?e=[e[0],e[0]]:n==="vec3"?e=[e[0],e[0],e[0]]:n==="vec4"&&(e=[e[0],e[0],e[0],e[0]])),t==="color"?new Color(...e):n==="vec2"?new Vector2(...e):n==="vec3"?new Vector3(...e):n==="vec4"?new Vector4(...e):n==="mat2"?new Matrix2(...e):n==="mat3"?new Matrix3(...e):n==="mat4"?new Matrix4(...e):t==="bool"?e[0]:t==="float"||t==="int"||t==="uint"?e[0]||0:t==="string"?e[0]||"":t==="ArrayBuffer"?base64ToArrayBuffer(e[0]):null}function getDataFromObject(e){let t=dataFromObject.get(e);return t===0[0]&&(t={},dataFromObject.set(e,t)),t}function arrayBufferToBase64(e){let t="";const n=new Uint8Array(e);for(let e=0;e<n.length;e++)t+=String.fromCharCode(n[e]);return btoa(t)}function base64ToArrayBuffer(e){return Uint8Array.from(atob(e),e=>e.charCodeAt(0)).buffer}NodeShaderStage={VERTEX:"vertex",FRAGMENT:"fragment"},NodeUpdateType={NONE:"none",FRAME:"frame",RENDER:"render",OBJECT:"object"},NodeAccess={READ_ONLY:"readOnly",WRITE_ONLY:"writeOnly",READ_WRITE:"readWrite"},defaultShaderStages=["fragment","vertex"],defaultBuildStages=["setup","analyze","generate"],shaderStages=[...defaultShaderStages,"compute"],vectorComponents=["x","y","z","w"],_parentBuildStage={analyze:"setup",generate:"analyze"},_nodeId=0;class Node extends EventDispatcher{static get type(){return"Node"}constructor(e=null){super(),this.nodeType=e,this.updateType=NodeUpdateType.NONE,this.updateBeforeType=NodeUpdateType.NONE,this.updateAfterType=NodeUpdateType.NONE,this.uuid=MathUtils.generateUUID(),this.version=0,this.name="",this.global=!1,this.parents=!1,this.isNode=!0,this._beforeNodes=null,this._cacheKey=null,this._cacheKeyVersion=0,Object.defineProperty(this,"id",{value:_nodeId++})}set needsUpdate(e){e===!0&&this.version++}get type(){return this.constructor.type}onUpdate(e,t){return this.updateType=t,this.update=e.bind(this),this}onFrameUpdate(e){return this.onUpdate(e,NodeUpdateType.FRAME)}

40onRenderUpdate(e){return this.onUpdate(e,NodeUpdateType.RENDER)}onObjectUpdate(e){return this.onUpdate(e,NodeUpdateType.OBJECT)}onReference(e){return this.updateReference=e.bind(this),this}updateReference(){return this}isGlobal(){return this.global}*getChildren(){for(const{childNode:e}of this._getChildren())yield e}dispose(){this.dispatchEvent({type:"dispose"})}traverse(e){e(this);for(const t of this.getChildren())t.traverse(e)}_getChildren(e=new Set){const t=[];e.add(this);for(const s of Object.getOwnPropertyNames(this)){const n=this[s];if(s.startsWith("_")===!0||e.has(n))continue;if(Array.isArray(n)===!0)for(let e=0;e<n.length;e++){const o=n[e];o&&o.isNode===!0&&t.push({property:s,index:e,childNode:o})}else if(n&&n.isNode===!0)t.push({property:s,childNode:n});else if(n&&Object.getPrototypeOf(n)===Object.prototype)for(const e in n){if(e.startsWith("_")===!0)continue;const o=n[e];o&&o.isNode===!0&&t.push({property:s,index:e,childNode:o})}}return t}getCacheKey(e=!1,t=null){if(e=e||this.version!==this._cacheKeyVersion,e===!0||this._cacheKey===null){t===null&&(t=new Set);const n=[];for(const{property:s,childNode:o}of this._getChildren(t))n.push(hashString(s.slice(0,-4)),o.getCacheKey(e,t));this._cacheKey=hash$1(hashArray(n),this.customCacheKey()),this._cacheKeyVersion=this.version}return this._cacheKey}customCacheKey(){return this.id}getScope(){return this}getHash(){return this.uuid}getUpdateType(){return this.updateType}getUpdateBeforeType(){return this.updateBeforeType}getUpdateAfterType(){return this.updateAfterType}getElementType(e){const t=this.getNodeType(e),n=e.getElementType(t);return n}getMemberType(){return"void"}getNodeType(e){const t=e.getNodeProperties(this);return t.outputNode?t.outputNode.getNodeType(e):this.nodeType}getShared(e){const t=this.getHash(e),n=e.getNodeFromHash(t);return n||this}getArrayCount(){return null}setup(e){const t=e.getNodeProperties(this);let n=0;for(const e of this.getChildren())t["node"+n++]=e;return t.outputNode||null}analyze(e,t=null){const n=e.increaseUsage(this);if(this.parents===!0){const n=e.getDataFromNode(this,"any");n.stages=n.stages||{},n.stages[e.shaderStage]=n.stages[e.shaderStage]||[],n.stages[e.shaderStage].push(t)}if(n===1){const t=e.getNodeProperties(this);for(const n of Object.values(t))n&&n.isNode===!0&&n.build(e,this)}}generate(e,t){const{outputNode:n}=e.getNodeProperties(this);if(n&&n.isNode===!0)return n.build(e,t)}updateBefore(){warn("Abstract function.")}updateAfter(){warn("Abstract function.")}update(){warn("Abstract function.")}before(e){return this._beforeNodes===null&&(this._beforeNodes=[]),this._beforeNodes.push(e),this}build(e,t=null){const a=this.getShared(e);if(this!==a)return a.build(e,t);if(this._beforeNodes!==null){const n=this._beforeNodes;this._beforeNodes=null;for(const s of n)s.build(e,t);this._beforeNodes=n}const s=e.getDataFromNode(this);s.buildStages=s.buildStages||{},s.buildStages[e.buildStage]=!0;const o=_parentBuildStage[e.buildStage];if(o&&s.buildStages[o]!==!0){const t=e.getBuildStage();e.setBuildStage(o),this.build(e),e.setBuildStage(t)}e.addNode(this),e.addChain(this);let n=null;const i=e.getBuildStage();if(i==="setup"){this.updateReference(e);const t=e.getNodeProperties(this);if(t.initialized!==!0){t.initialized=!0,t.outputNode=this.setup(e)||t.outputNode||null;for(const n of Object.values(t))if(n&&n.isNode===!0){if(n.parents===!0){const t=e.getNodeProperties(n);t.parents=t.parents||[],t.parents.push(this)}n.build(e)}}n=t.outputNode}else if(i==="analyze")this.analyze(e,t);else if(i==="generate"){const s=this.generate.length<2;if(s){const o=this.getNodeType(e),s=e.getDataFromNode(this);n=s.snippet,n===0[0]?s.generated===0[0]?(s.generated=!0,n=this.generate(e)||"",s.snippet=n):(warn("Node: Recursion detected.",this),n="/* Recursion detected. */"):s.flowCodes!==0[0]&&e.context.nodeBlock!==0[0]&&e.addFlowCodeHierarchy(this,e.context.nodeBlock),n=e.format(n,o,t)}else n=this.generate(e,t)||"";n===""&&t!==null&&t!=="void"&&t!=="OutputType"&&(error(`TSL: Invalid generated code, expected a "${t}".`),n=e.generateConst(t))}return e.removeChain(this),e.addSequentialNode(this),n}getSerializeChildren(){return this._getChildren()}serialize(e){const n=this.getSerializeChildren(),t={};for(const{property:s,index:o,childNode:i}of n)o!==0[0]?(t[s]===0[0]&&(t[s]=Number.isInteger(o)?[]:{}),t[s][o]=i.toJSON(e.meta).uuid):t[s]=i.toJSON(e.meta).uuid;Object.keys(t).length>0&&(e.inputNodes=t)}deserialize(e){if(e.inputNodes!==0[0]){const t=e.meta.nodes;for(const n in e.inputNodes)if(Array.isArray(e.inputNodes[n])){const s=[];for(const o of e.inputNodes[n])s.push(t[o]);this[n]=s}else if(typeof e.inputNodes[n]=="object"){const s={};for(const o in e.inputNodes[n]){const i=e.inputNodes[n][o];s[o]=t[i]}this[n]=s}else{const s=e.inputNodes[n];this[n]=t[s]}}}toJSON(e){const{uuid:o,type:i}=this,n=e===0[0]||typeof e=="string";n&&(e={textures:{},images:{},nodes:{}});let t=e.nodes[o];t===0[0]&&(t={uuid:o,type:i,meta:e,metadata:{version:4.7,type:"Node",generator:"Node.toJSON"}},n!==!0&&(e.nodes[t.uuid]=t),this.serialize(t),delete t.meta);function s(e){const t=[];for(const s in e){const n=e[s];delete n.metadata,t.push(n)}return t}if(n){const n=s(e.textures),o=s(e.images),i=s(e.nodes);n.length>0&&(t.textures=n),o.length>0&&(t.images=o),i.length>0&&(t.nodes=i)}return t}}class ArrayElementNode extends Node{static get type(){return"ArrayElementNode"}constructor(e,t){super(),this.node=e,this.indexNode=t,this.isArrayElementNode=!0}getNodeType(e){return this.node.getElementType(e)}getMemberType(e,t){return this.node.getMemberType(e,t)}generate(e){const t=this.indexNode.getNodeType(e),n=this.node.build(e),s=this.indexNode.build(e,!e.isVector(t)&&e.isInteger(t)?t:"uint");return`${n}[ ${s} ]`}}class ConvertNode extends Node{static get type(){return"ConvertNode"}constructor(e,t){super(),this.node=e,this.convertTo=t}getNodeType(e){const n=this.node.getNodeType(e);let t=null;for(const s of this.convertTo.split("|"))(t===null||e.getTypeLength(n)===e.getTypeLength(s))&&(t=s);return t}serialize(e){super.serialize(e),e.convertTo=this.convertTo}deserialize(e){super.deserialize(e),this.convertTo=e.convertTo}generate(e,t){const s=this.node,n=this.getNodeType(e),o=s.build(e,n);return e.format(o,n,t)}}class TempNode extends Node{static get type(){return"TempNode"}constructor(e=null){super(e),this.isTempNode=!0}hasDependencies(e){return e.getDataFromNode(this).usageCount>1}build(e,t){const n=e.getBuildStage();if(n==="generate"){const n=e.getVectorType(this.getNodeType(e,t)),s=e.getDataFromNode(this);if(s.propertyName!==0[0])return e.format(s.propertyName,n,t);if(n!=="void"&&t!=="void"&&this.hasDependencies(e)){const o=super.build(e,n),a=e.getVarFromNode(this,null,n),i=e.getPropertyName(a);return e.addLineFlowCode(`${i} = ${o}`,this),s.snippet=o,s.propertyName=i,e.format(s.propertyName,n,t)}}return super.build(e,t)}}class JoinNode extends TempNode{static get type(){return"JoinNode"}constructor(e=[],t=null){super(t),this.nodes=e}

40getNodeType(e){return this.nodeType!==null?e.getVectorType(this.nodeType):e.getTypeFromLength(this.nodes.reduce((t,n)=>t+e.getTypeLength(n.getNodeType(e)),0))}generate(e,t){const n=this.getNodeType(e),o=e.getTypeLength(n),r=this.nodes,i=e.getComponentType(n),a=[];let s=0;for(const d of r){if(s>=o){error(`TSL: Length of parameters exceeds maximum length of function '${n}()' type.`);break}let t=d.getNodeType(e),c=e.getTypeLength(t),l;s+c>o&&(error(`TSL: Length of '${n}()' data exceeds maximum length of output type.`),c=o-s,t=e.getTypeFromLength(c)),s+=c,l=d.build(e,t);const u=e.getComponentType(t);if(u!==i){const n=e.getTypeFromLength(c,i);l=e.format(l,t,n)}a.push(l)}const c=`${e.getType(n)}( ${a.join(", ")} )`;return e.format(c,n,t)}}_stringVectorComponents=vectorComponents.join("");class SplitNode extends Node{static get type(){return"SplitNode"}constructor(e,t="x"){super(),this.node=e,this.components=t,this.isSplitNode=!0}getVectorLength(){let e=this.components.length;for(const t of this.components)e=Math.max(vectorComponents.indexOf(t)+1,e);return e}getComponentType(e){return e.getComponentType(this.node.getNodeType(e))}getNodeType(e){return e.getTypeFromLength(this.components.length,this.getComponentType(e))}getScope(){return this.node.getScope()}generate(e,t){const s=this.node,o=e.getTypeLength(s.getNodeType(e));let n=null;if(o>1){let i=null;const r=this.getVectorLength();r>=o&&(i=e.getTypeFromLength(this.getVectorLength(),this.getComponentType(e)));const a=s.build(e,i);this.components.length===o&&this.components===_stringVectorComponents.slice(0,this.components.length)?n=e.format(a,i,t):n=e.format(`${a}.${this.components}`,this.getNodeType(e),t)}else n=s.build(e,t);return n}serialize(e){super.serialize(e),e.components=this.components}deserialize(e){super.deserialize(e),this.components=e.components}}class SetNode extends TempNode{static get type(){return"SetNode"}constructor(e,t,n){super(),this.sourceNode=e,this.components=t,this.targetNode=n}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{sourceNode:i,components:t,targetNode:o}=this,n=this.getNodeType(e),a=e.getComponentType(o.getNodeType(e)),r=e.getTypeFromLength(t.length,a),c=o.build(e,r),l=i.build(e,n),d=e.getTypeLength(n),s=[];for(let e=0;e<d;e++){const n=vectorComponents[e];n===t[0]?(s.push(c),e+=t.length-1):s.push(l+"."+n)}return`${e.getType(n)}( ${s.join(", ")} )`}}class FlipNode extends TempNode{static get type(){return"FlipNode"}constructor(e,t){super(),this.sourceNode=e,this.components=t}getNodeType(e){return this.sourceNode.getNodeType(e)}generate(e){const{components:i,sourceNode:a}=this,s=this.getNodeType(e),r=a.build(e),c=e.getVarFromNode(this),t=e.getPropertyName(c);e.addLineFlowCode(t+" = "+r,this);const l=e.getTypeLength(s),n=[];let o=0;for(let e=0;e<l;e++){const s=vectorComponents[e];s===i[o]?(n.push("1.0 - "+(t+"."+s)),o++):n.push(t+"."+s)}return`${e.getType(s)}( ${n.join(", ")} )`}}class InputNode extends Node{static get type(){return"InputNode"}constructor(e,t=null){super(t),this.isInputNode=!0,this.value=e,this.precision=null}getNodeType(){return this.nodeType===null?getValueType(this.value):this.nodeType}getInputType(e){return this.getNodeType(e)}setPrecision(e){return this.precision=e,this}serialize(e){super.serialize(e),e.value=this.value,this.value&&this.value.toArray&&(e.value=this.value.toArray()),e.valueType=getValueType(this.value),e.nodeType=this.nodeType,e.valueType==="ArrayBuffer"&&(e.value=arrayBufferToBase64(e.value)),e.precision=this.precision}deserialize(e){super.deserialize(e),this.nodeType=e.nodeType,this.value=Array.isArray(e.value)?getValueFromType(e.valueType,...e.value):e.value,this.precision=e.precision||null,this.value&&this.value.fromArray&&(this.value=this.value.fromArray(e.value))}generate(){warn("Abstract function.")}}_regNum=/float|u?int/;class ConstNode extends InputNode{static get type(){return"ConstNode"}constructor(e,t=null){super(e,t),this.isConstNode=!0}generateConst(e){return e.generateConst(this.getNodeType(e),this.value)}generate(e,t){const n=this.getNodeType(e);return _regNum.test(n)&&_regNum.test(t)?e.generateConst(t,this.value):e.format(this.generateConst(e),n,t)}}class MemberNode extends Node{static get type(){return"MemberNode"}constructor(e,t){super(),this.structNode=e,this.property=t,this.isMemberNode=!0}hasMember(e){return!(this.structNode.isMemberNode&&this.structNode.hasMember(e)===!1)&&this.structNode.getMemberType(e,this.property)!=="void"}getNodeType(e){return this.hasMember(e)===!1?"float":this.structNode.getMemberType(e,this.property)}getMemberType(e,t){if(this.hasMember(e)===!1)return"float";const n=this.getNodeType(e),s=e.getStructTypeNode(n);return s.getMemberType(e,t)}generate(e){if(this.hasMember(e)===!1){warn(`TSL: Member "${this.property}" does not exist in struct.`);const t=this.getNodeType(e);return e.generateConst(t)}const t=this.structNode.build(e);return t+"."+this.property}}currentStack=null,NodeElements=new Map;function addMethodChaining(e,t){if(NodeElements.has(e)){warn(`TSL: Redefinition of method chaining '${e}'.`);return}if(typeof t!="function")throw new Error(`THREE.TSL: Node element ${e} is not a function`);NodeElements.set(e,t),e!=="assign"&&(Node.prototype[e]=function(...e){return this.isStackNode?this.addToStack(t(...e)):t(this,...e)},Node.prototype[e+"Assign"]=function(...e){return this.isStackNode?this.assign(e[0],t(...e)):this.assign(t(this,...e))})}parseSwizzle=e=>e.replace(/r|s/g,"x").replace(/g|t/g,"y").replace(/b|p/g,"z").replace(/a|q/g,"w"),parseSwizzleAndSort=e=>parseSwizzle(e).split("").sort().join(""),Node.prototype.assign=function(...e){if(this.isStackNode!==!0)return currentStack!==null?currentStack.assign(this,...e):error

40("TSL: No stack defined for assign operation. Make sure the assign is inside a Fn()."),this;const t=NodeElements.get("assign");return this.addToStack(t(...e))},Node.prototype.toVarIntent=function(){return this},Node.prototype.get=function(e){return new MemberNode(this,e)},proto={};function setProtoSwizzle(e,t,n){proto[e]=proto[t]=proto[n]={get(){this._cache=this._cache||{};let t=this._cache[e];return t===0[0]&&(t=new SplitNode(this,e),this._cache[e]=t),t},set(t){this[e].assign(nodeObject(t))}};const s=e.toUpperCase(),o=t.toUpperCase(),i=n.toUpperCase();Node.prototype["set"+s]=Node.prototype["set"+o]=Node.prototype["set"+i]=function(t){const n=parseSwizzleAndSort(e);return new SetNode(this,n,nodeObject(t))},Node.prototype["flip"+s]=Node.prototype["flip"+o]=Node.prototype["flip"+i]=function(){const t=parseSwizzleAndSort(e);return new FlipNode(this,t)}}swizzleA=["x","y","z","w"],swizzleB=["r","g","b","a"],swizzleC=["s","t","p","q"];for(let e=0;e<4;e++){let t=swizzleA[e],n=swizzleB[e],s=swizzleC[e];setProtoSwizzle(t,n,s);for(let o=0;o<4;o++){t=swizzleA[e]+swizzleA[o],n=swizzleB[e]+swizzleB[o],s=swizzleC[e]+swizzleC[o],setProtoSwizzle(t,n,s);for(let i=0;i<4;i++){t=swizzleA[e]+swizzleA[o]+swizzleA[i],n=swizzleB[e]+swizzleB[o]+swizzleB[i],s=swizzleC[e]+swizzleC[o]+swizzleC[i],setProtoSwizzle(t,n,s);for(let a=0;a<4;a++)t=swizzleA[e]+swizzleA[o]+swizzleA[i]+swizzleA[a],n=swizzleB[e]+swizzleB[o]+swizzleB[i]+swizzleB[a],s=swizzleC[e]+swizzleC[o]+swizzleC[i]+swizzleC[a],setProtoSwizzle(t,n,s)}}}for(let e=0;e<32;e++)proto[e]={get(){this._cache=this._cache||{};let t=this._cache[e];return t===0[0]&&(t=new ArrayElementNode(this,new ConstNode(e,"uint")),this._cache[e]=t),t},set(t){this[e].assign(nodeObject(t))}};Object.defineProperties(Node.prototype,proto),nodeBuilderFunctionsCacheMap=new WeakMap,ShaderNodeObject=function(e,t=null){const n=getValueType(e);return n==="node"?e:t===null&&(n==="float"||n==="boolean")||n&&n!=="shader"&&n!=="string"?nodeObject(getConstNode(e,t)):n==="shader"?e.isFn?e:Fn(e):e},ShaderNodeObjects=function(e,t=null){for(const n in e)e[n]=nodeObject(e[n],t);return e},ShaderNodeArray=function(e,t=null){const n=e.length;for(let s=0;s<n;s++)e[s]=nodeObject(e[s],t);return e},ShaderNodeProxy=function(e,t=null,n=null,s=null){function c(e){return s!==null?(e=nodeObject(Object.assign(e,s)),s.intent===!0&&(e=e.toVarIntent())):e=nodeObject(e),e}let o,i=t,a,r;function l(t){let n;return i?n=/[a-z]/i.test(i)?i+"()":i:n=e.type,a!==0[0]&&t.length<a?(error(`TSL: "${n}" parameter length is less than minimum required.`),t.concat(new Array(a-t.length).fill(0))):r!==0[0]&&t.length>r?(error(`TSL: "${n}" parameter length exceeds limit.`),t.slice(0,r)):t}return t===null?o=(...t)=>c(new e(...nodeArray(l(t)))):n!==null?(n=nodeObject(n),o=(...s)=>c(new e(t,...nodeArray(l(s)),n))):o=(...n)=>c(new e(t,...nodeArray(l(n)))),o.setParameterLength=(...e)=>(e.length===1?a=r=e[0]:e.length===2&&([a,r]=e),o),o.setName=e=>(i=e,o),o},ShaderNodeImmutable=function(e,...t){return new e(...nodeArray(t))};class ShaderCallNodeInternal extends Node{constructor(e,t){super(),this.shaderNode=e,this.rawInputs=t,this.isShaderCallNodeInternal=!0}getNodeType(e){return this.shaderNode.nodeType||this.getOutputNode(e).getNodeType(e)}getElementType(e){return this.getOutputNode(e).getElementType(e)}getMemberType(e,t){return this.getOutputNode(e).getMemberType(e,t)}call(e){const{shaderNode:t,rawInputs:n}=this,o=e.getNodeProperties(t),a=e.getClosestSubBuild(t.subBuilds)||"",i=a||"default";if(o[i])return o[i];const r=e.subBuildFn,c=e.fnCall;e.subBuildFn=a,e.fnCall=this;let s=null;if(t.layout){let o=nodeBuilderFunctionsCacheMap.get(e.constructor);o===0[0]&&(o=new WeakMap,nodeBuilderFunctionsCacheMap.set(e.constructor,o));let i=o.get(t);i===0[0]&&(i=nodeObject(e.buildFunctionNode(t)),o.set(t,i)),e.addInclude(i);const a=n?getLayoutParameters(n):null;s=nodeObject(i.call(a))}else{const i=new Proxy(e,{get:(e,t,n)=>{let s;return Symbol.iterator===t?s=function*(){yield}:s=Reflect.get(e,t,n),s}}),a=n?getProxyParameters(n):null,r=Array.isArray(n)?n.length>0:n!==null,o=t.jsFunc,c=r||o.length>1?o(a,i):o(i);s=nodeObject(c)}

40return e.subBuildFn=r,e.fnCall=c,t.once&&(o[i]=s),s}setupOutput(e){return e.addStack(),e.stack.outputNode=this.call(e),e.removeStack()}getOutputNode(e){const t=e.getNodeProperties(this),n=e.getSubBuildOutput(this);return t[n]=t[n]||this.setupOutput(e),t[n].subBuild=e.getClosestSubBuild(this),t[n]}build(e,t=null){let s=null;const o=e.getBuildStage(),n=e.getNodeProperties(this),i=e.getSubBuildOutput(this),a=this.getOutputNode(e),r=e.fnCall;if(e.fnCall=this,o==="setup"){const t=e.getSubBuildProperty("initialized",this);if(n[t]!==!0&&(n[t]=!0,n[i]=this.getOutputNode(e),n[i].build(e),this.shaderNode.subBuilds))for(const n of e.chaining){const t=e.getDataFromNode(n,"any");t.subBuilds=t.subBuilds||new Set;for(const e of this.shaderNode.subBuilds)t.subBuilds.add(e)}s=n[i]}else o==="analyze"?a.build(e,t):o==="generate"&&(s=a.build(e,t)||"");return e.fnCall=r,s}}function getLayoutParameters(e){let t;nodeObjects(e);const n=e[0]&&(e[0].isNode||Object.getPrototypeOf(e[0])!==Object.prototype);return n?t=[...e]:t=e[0],t}function getProxyParameters(e){let t=0;return nodeObjects(e),new Proxy(e,{get:(n,s,o)=>{let i;if(s==="length")return i=e.length,i;if(Symbol.iterator===s)i=function*(){for(const t of e)yield nodeObject(t)};else{if(e.length>0)if(Object.getPrototypeOf(e[0])===Object.prototype){const n=e[0];n[s]===0[0]?i=n[t++]:i=Reflect.get(n,s,o)}else e[0]instanceof Node&&(e[s]===0[0]?i=e[t++]:i=Reflect.get(e,s,o));else i=Reflect.get(n,s,o);i=nodeObject(i)}return i}})}class ShaderNodeInternal extends Node{constructor(e,t){super(t),this.jsFunc=e,this.layout=null,this.global=!0,this.once=!1}setLayout(e){return this.layout=e,this}getLayout(){return this.layout}call(e=null){return new ShaderCallNodeInternal(this,e)}setup(){return this.call()}}bools=[!1,!0],uints=[0,1,2,3],ints=[-1,-2],floats=[.5,1.5,1/3,1e-6,1e6,Math.PI,Math.PI*2,1/Math.PI,2/Math.PI,1/(Math.PI*2),Math.PI/2],boolsCacheMap=new Map;for(const e of bools)boolsCacheMap.set(e,new ConstNode(e));uintsCacheMap=new Map;for(const e of uints)uintsCacheMap.set(e,new ConstNode(e,"uint"));intsCacheMap=new Map([...uintsCacheMap].map(e=>new ConstNode(e.value,"int")));for(const e of ints)intsCacheMap.set(e,new ConstNode(e,"int"));floatsCacheMap=new Map([...intsCacheMap].map(e=>new ConstNode(e.value)));for(const e of floats)floatsCacheMap.set(e,new ConstNode(e));for(const e of floats)floatsCacheMap.set(-e,new ConstNode(-e));cacheMaps={bool:boolsCacheMap,uint:uintsCacheMap,ints:intsCacheMap,float:floatsCacheMap},constNodesCacheMap=new Map([...boolsCacheMap,...floatsCacheMap]),getConstNode=(e,t)=>constNodesCacheMap.has(e)?constNodesCacheMap.get(e):e.isNode===!0?e:new ConstNode(e,t),ConvertType=function(e,t=null){return(...n)=>{for(const t of n)if(t===0[0])return error(`TSL: Invalid parameter for the type "${e}".`),new ConstNode(0,e);if((n.length===0||!["bool","float","int","uint"].includes(e)&&n.every(e=>{const t=typeof e;return t!=="object"&&t!=="function"}))&&(n=[getValueFromType(e,...n)]),n.length===1&&t!==null&&t.has(n[0]))return nodeObjectIntent(t.get(n[0]));if(n.length===1){const t=getConstNode(n[0],e);return nodeObjectIntent(t.nodeType===e?t:new ConvertNode(t,e))}const s=n.map(e=>getConstNode(e));return nodeObjectIntent(new JoinNode(s,e))}},defined=e=>typeof e=="object"&&e!==null?e.value:e,getConstNodeType=e=>e!=null?e.nodeType||e.convertTo||(typeof e=="string"?e:null):null;function ShaderNode(e,t){return new ShaderNodeInternal(e,t)}nodeObject=(e,t=null)=>ShaderNodeObject(e,t),nodeObjectIntent=(e,t=null)=>nodeObject(e,t).toVarIntent(),nodeObjects=(e,t=null)=>new ShaderNodeObjects(e,t),nodeArray=(e,t=null)=>new ShaderNodeArray(e,t),nodeProxy=(e,t=null,n=null,s=null)=>new ShaderNodeProxy(e,t,n,s),nodeImmutable=(e,...t)=>new ShaderNodeImmutable(e,...t),nodeProxyIntent=(e,t=null,n=null,s={})=>new ShaderNodeProxy(e,t,n,{...s,intent:!0}),fnId=0;class FnNode extends Node{constructor(e,t=null){super();let n=null;t!==null&&(typeof t=="object"?n=t.return:(typeof t=="string"?n=t:error("TSL: Invalid layout type."),t=null)),this.shaderNode=new ShaderNode(e,n),t!==null&&this.setLayout(t),this.isFn=!0}setLayout(e){const t=this.shaderNode.nodeType;if(typeof e.inputs!="object"){const n={name:"fn"+fnId++,type:t,inputs:[]};for(const t in e){if(t==="return")continue;n.inputs.push({name:t,type:e[t]})}e=n}return this.shaderNode.setLayout(e),this}getNodeType(e){return this.shaderNode.getNodeType(e)||"float"}call(...t){const e=this.shaderNode.call(t);return this.shaderNode.nodeType==="void"&&e.toStack(),e.toVarIntent

40()}once(e=null){return this.shaderNode.once=!0,this.shaderNode.subBuilds=e,this}generate(e){const t=this.getNodeType(e);return error('TSL: "Fn()" was declared but not invoked. Try calling it like "Fn()( ...params )".'),e.generateConst(t)}}function Fn(e,t=null){const n=new FnNode(e,t);return new Proxy(()=>{},{apply(e,t,s){return n.call(...s)},get(e,t,s){return Reflect.get(n,t,s)},set(e,t,s,o){return Reflect.set(n,t,s,o)}})}setCurrentStack=e=>{currentStack=e},getCurrentStack=()=>currentStack,If=(...e)=>currentStack.If(...e);function Stack(e){return currentStack&&currentStack.addToStack(e),e}addMethodChaining("toStack",Stack),color=new ConvertType("color"),float=new ConvertType("float",cacheMaps.float),int=new ConvertType("int",cacheMaps.ints),uint=new ConvertType("uint",cacheMaps.uint),bool=new ConvertType("bool",cacheMaps.bool),vec2=new ConvertType("vec2"),ivec2=new ConvertType("ivec2"),uvec2=new ConvertType("uvec2"),bvec2=new ConvertType("bvec2"),vec3=new ConvertType("vec3"),ivec3=new ConvertType("ivec3"),uvec3=new ConvertType("uvec3"),bvec3=new ConvertType("bvec3"),vec4=new ConvertType("vec4"),ivec4=new ConvertType("ivec4"),uvec4=new ConvertType("uvec4"),bvec4=new ConvertType("bvec4"),mat2=new ConvertType("mat2"),mat3=new ConvertType("mat3"),mat4=new ConvertType("mat4"),addMethodChaining("toColor",color),addMethodChaining("toFloat",float),addMethodChaining("toInt",int),addMethodChaining("toUint",uint),addMethodChaining("toBool",bool),addMethodChaining("toVec2",vec2),addMethodChaining("toIVec2",ivec2),addMethodChaining("toUVec2",uvec2),addMethodChaining("toBVec2",bvec2),addMethodChaining("toVec3",vec3),addMethodChaining("toIVec3",ivec3),addMethodChaining("toUVec3",uvec3),addMethodChaining("toBVec3",bvec3),addMethodChaining("toVec4",vec4),addMethodChaining("toIVec4",ivec4),addMethodChaining("toUVec4",uvec4),addMethodChaining("toBVec4",bvec4),addMethodChaining("toMat2",mat2),addMethodChaining("toMat3",mat3),addMethodChaining("toMat4",mat4),element=nodeProxy(ArrayElementNode).setParameterLength(2),convert=(e,t)=>nodeObject(new ConvertNode(nodeObject(e),t)),addMethodChaining("element",element),addMethodChaining("convert",convert),addMethodChaining("append",e=>(warn("TSL: .append() has been renamed to .toStack()."),Stack(e)));class PropertyNode extends Node{static get type(){return"PropertyNode"}constructor(e,t=null,n=!1){super(e),this.name=t,this.varying=n,this.isPropertyNode=!0,this.global=!0}customCacheKey(){return hashString(this.type+":"+(this.name||"")+":"+(this.varying?"1":"0"))}getHash(e){return this.name||super.getHash(e)}generate(e){let t;return this.varying===!0?(t=e.getVaryingFromNode(this,this.name),t.needsInterpolation=!0):t=e.getVarFromNode(this,this.name),e.getPropertyName(t)}}property=(e,t)=>new PropertyNode(e,t),varyingProperty=(e,t)=>new PropertyNode(e,t,!0),diffuseColor=nodeImmutable(PropertyNode,"vec4","DiffuseColor"),diffuseContribution=nodeImmutable(PropertyNode,"vec3","DiffuseContribution"),emissive=nodeImmutable(PropertyNode,"vec3","EmissiveColor"),roughness=nodeImmutable(PropertyNode,"float","Roughness"),metalness=nodeImmutable(PropertyNode,"float","Metalness"),clearcoat=nodeImmutable(PropertyNode,"float","Clearcoat"),clearcoatRoughness=nodeImmutable(PropertyNode,"float","ClearcoatRoughness"),sheen=nodeImmutable(PropertyNode,"vec3","Sheen"),sheenRoughness=nodeImmutable(PropertyNode,"float","SheenRoughness"),iridescence=nodeImmutable(PropertyNode,"float","Iridescence"),iridescenceIOR=nodeImmutable(PropertyNode,"float","IridescenceIOR"),iridescenceThickness=nodeImmutable(PropertyNode,"float","IridescenceThickness"),alphaT=nodeImmutable(PropertyNode,"float","AlphaT"),anisotropy=nodeImmutable(PropertyNode,"float","Anisotropy"),anisotropyT=nodeImmutable(PropertyNode,"vec3","AnisotropyT"),anisotropyB=nodeImmutable(PropertyNode,"vec3","AnisotropyB"),specularColor=nodeImmutable(PropertyNode,"color","SpecularColor"),specularColorBlended=nodeImmutable(PropertyNode,"color","SpecularColorBlended"),specularF90=nodeImmutable(PropertyNode,"float","SpecularF90"),shininess=nodeImmutable(PropertyNode,"float","Shininess"),output=nodeImmutable(PropertyNode,"vec4","Output"),dashSize=nodeImmutable(PropertyNode,"float","dashSize"),gapSize=nodeImmutable(PropertyNode,"float","gapSize"),ior=nodeImmutable(PropertyNode,"float","IOR"),transmission=nodeImmutable(PropertyNode,"float","Transmission"),thickness=nodeImmutable(PropertyNode,"float","Thickness"),attenuationDistance=nodeImmutable(PropertyNode,"float","AttenuationDistance"),attenuationColor=nodeImmutable(PropertyNode,"color","AttenuationColor"),dispersion=nodeImmutable(PropertyNode,"float","Dispersion");class UniformGroupNode extends Node{static get type(){return"UniformGroupNode"}constructor(e,t=!1,n=1){super("string"),this.name=e,this.shared=t,this.order=n,this.isUniformGroup=!0}

40serialize(e){super.serialize(e),e.name=this.name,e.version=this.version,e.shared=this.shared}deserialize(e){super.deserialize(e),this.name=e.name,this.version=e.version,this.shared=e.shared}}uniformGroup=e=>new UniformGroupNode(e),sharedUniformGroup=(e,t=0)=>new UniformGroupNode(e,!0,t),frameGroup=sharedUniformGroup("frame"),renderGroup=sharedUniformGroup("render"),objectGroup=uniformGroup("object");class UniformNode extends InputNode{static get type(){return"UniformNode"}constructor(e,t=null){super(e,t),this.isUniformNode=!0,this.name="",this.groupNode=objectGroup}setName(e){return this.name=e,this}label(e){return warn('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setGroup(e){return this.groupNode=e,this}getGroup(){return this.groupNode}getUniformHash(e){return this.getHash(e)}onUpdate(e,t){return e=e.bind(this),super.onUpdate(t=>{const n=e(t,this);n!==0[0]&&(this.value=n)},t)}getInputType(e){let t=super.getInputType(e);return t==="bool"&&(t="uint"),t}generate(e,t){const o=this.getNodeType(e),i=this.getUniformHash(e);let n=e.getNodeFromHash(i);n===0[0]&&(e.setHashNode(this,i),n=this);const a=n.getInputType(e),c=e.getUniformFromNode(n,a,e.shaderStage,this.name||e.context.nodeName),r=e.getPropertyName(c);e.context.nodeName!==0[0]&&delete e.context.nodeName;let s=r;if(o==="bool"){const n=e.getDataFromNode(this);let t=n.propertyName;if(t===0[0]){const i=e.getVarFromNode(this,null,"bool");t=e.getPropertyName(i),n.propertyName=t,s=e.format(r,a,o),e.addLineFlowCode(`${t} = ${s}`,this)}s=t}return e.format(s,o,t)}}uniform=(e,t)=>{const n=getConstNodeType(t||e);if(n===e&&(e=getValueFromType(n)),e&&e.isNode===!0){let t=e.value;e.traverse(e=>{e.isConstNode===!0&&(t=e.value)}),e=t}return new UniformNode(e,n)};class ArrayNode extends TempNode{static get type(){return"ArrayNode"}constructor(e,t,n=null){super(e),this.count=t,this.values=n,this.isArrayNode=!0}getArrayCount(){return this.count}getNodeType(e){return this.nodeType===null?this.values[0].getNodeType(e):this.nodeType}getElementType(e){return this.getNodeType(e)}getMemberType(e,t){return this.nodeType===null?this.values[0].getMemberType(e,t):super.getMemberType(e,t)}generate(e){const t=this.getNodeType(e);return e.generateArray(t,this.count,this.values)}}array=(...e)=>{let t;if(e.length===1){const n=e[0];t=new ArrayNode(null,n.length,n)}else{const n=e[0],s=e[1];t=new ArrayNode(n,s)}return nodeObject(t)},addMethodChaining("toArray",(e,t)=>array(Array(t).fill(e)));class AssignNode extends TempNode{static get type(){return"AssignNode"}constructor(e,t){super(),this.targetNode=e,this.sourceNode=t,this.isAssignNode=!0}hasDependencies(){return!1}getNodeType(e,t){return t!=="void"?this.targetNode.getNodeType(e):"void"}needsSplitAssign(e){const{targetNode:t}=this;if(e.isAvailable("swizzleAssign")===!1&&t.isSplitNode&&t.components.length>1){const n=e.getTypeLength(t.node.getNodeType(e)),s=vectorComponents.join("").slice(0,n)!==t.components;return s}return!1}setup(e){const{targetNode:t,sourceNode:s}=this,o=t.getScope(),i=e.getDataFromNode(o);i.assign=!0;const n=e.getNodeProperties(this);n.sourceNode=s,n.targetNode=t.context({assign:!0})}generate(e,t){const{targetNode:o,sourceNode:a}=e.getNodeProperties(this),l=this.needsSplitAssign(e),s=o.build(e),i=o.getNodeType(e),r=a.build(e,i),d=a.getNodeType(e),c=e.getDataFromNode(this);let n;if(c.initialized===!0)t!=="void"&&(n=s);else if(l){const l=e.getVarFromNode(this,null,i),c=e.getPropertyName(l);e.addLineFlowCode(`${c} = ${r}`,this);const a=o.node,d=a.node.context({assign:!0}),u=d.build(e);for(let t=0;t<a.components.length;t++){const n=a.components[t];e.addLineFlowCode(`${u}.${n} = ${c}[ ${t} ]`,this)}t!=="void"&&(n=s)}else n=`${s} = ${r}`,(t==="void"||d==="void")&&(e.addLineFlowCode(n,this),t!=="void"&&(n=s));return c.initialized=!0,e.format(n,i,t)}}assign=nodeProxy(AssignNode).setParameterLength(2),addMethodChaining("assign",assign);class FunctionCallNode extends TempNode{static get type(){return"FunctionCallNode"}constructor(e=null,t={}){super(),this.functionNode=e,this.parameters=t}setParameters(e){return this.parameters=e,this}getParameters(){return this.parameters}getNodeType(e){return this.functionNode.getNodeType(e)}getMemberType(e,t){return this.functionNode.getMemberType(e,t)}generate(e){const s=[],i=this.functionNode,n=i.getInputs(e),t=this.parameters,o=(t,n)=>{const o=n.type,i=o==="pointer";let s;return i?s="&"+t.build(e):s=t.build(e,o),s};if(Array.isArray(t)){if(t.length>n.length)error("TSL: The number of provided parameters exceeds the expected number of inputs in 'Fn()'."),t.length=n.length;else if(t.length<n.length)for(error("TSL: The number of provided parameters is less than the expected number of inputs in 'Fn()'.");t.length<n.length;)t.push(float(0));for(let e=0;e<t.length;e++)s.push(o(t[e],n[e]))}else for(const e of n){const i=t[e.name];i!==0[0]?s.push(o(i,e)):(error(`TSL: Input '${e.name}' not found in 'Fn()'.`),s.push(o(float(0),e)))}const a=i.build(e,"property");return`${a}( ${s.join(", ")} )`}}call=(e,...t)=>(t=t.length>1||t[0]&&t[0].isNode===!0?nodeArray(t):nodeObjects(t[0]),new FunctionCallNode(nodeObject(e),t)),addMethodChaining("call",call),_vectorOperators={"==":"equal","!=":"notEqual","<":"lessThan",">":"greaterThan","<=":"lessThanEqual",">=":"greaterThanEqual","%":"mod"};class OperatorNode extends TempNode{static get type(){return"OperatorNode"}constructor(t,n,s,...e){if(super(),e.length>0){let o=new OperatorNode(t,n,s);for(let n=0;n<e.length-1;n++)o=new OperatorNode(t,o,e[n]);n=o,s=e[e.length-1]}this.op=t,this.aNode=n,this.bNode=s,this.isOperatorNode=!0}getOperatorMethod(e,t){return e.getMethod(_vectorOperators[this.op],t)}getNodeType(e,t=null){const n=this.op,a=this.aNode,i=this.bNode,s=a.getNodeType(e),o=i?i.getNodeType(e):null;if(s==="void"||o==="void")return t||"void";if(n==="%")return s;if(n==="~"||n==="&"||n==="|"||n==="^"||n===">>"||n==="<<")return e.getIntegerType(s);if(n==="!"||n==="&&"||n==="||"||n==="^^")return"bool";if(n==="=="||n==="!="||n==="<"||n===">"||n==="<="||n===">="){const t=Math.max(e.getTypeLength(s),e.getTypeLength(o));return t>1?`bvec${t}`:"bool"}if(e.isMatrix(s)){{if(o==="float")return s;if(e.isVector(o))return e.getVectorFromMatrix(s);if(e.isMatrix(o))return s}}else if(e.isMatrix(o)){if(s==="float")return o;if(e.isVector(s))return e.getVectorFromMatrix(o)}return e.getTypeLength(o)>e.getTypeLength(s)?o:s}generate(e,t){const o=this.op,{aNode:d,bNode:c}=this,i=this.getNodeType(e,t);let n=null,s=null;i!=="void"?(n=d.getNodeType(e),s=c?c.getNodeType(e):null,o==="<"||o===">"||o==="<="||o===">="||o==="=="||o==="!="?e.isVector(n)?s=n:e.isVector(s)?n=s:n!==s&&(n=s="float"):o===">>"||o==="<<"?(n=i,s=e.changeComponentType(s,"uint")):o==="%"?(n=i,s=e.isInteger(n)&&e.isInteger(s)?s:n):e.isMatrix(n)?s==="float"?s="float":e.isVector(s)?s=e.getVectorFromMatrix(n):e.isMatrix(s)||(n=s=i):e.isMatrix(s)?n==="float"?n="float":e.isVector(n)?n=e.getVectorFromMatrix(s):n=s=i:n=s=i):n=s=i;const a=d.build(e,n),r=c?c.build(e,s):null,l=e.getFunctionOperator(o);if(t!=="void"){const c=e.renderer.coordinateSystem===WebGLCoordinateSystem;if(o==="=="||o==="!="||o==="<"||o===">"||o==="<="||o===">=")return c?e.isVector(n)?e.format(`${this.getOperatorMethod(e,t)}( ${a}, ${r} )`,i,t):e.format(`( ${a} ${o} ${r} )`,i,t):e.format(`( ${a} ${o} ${r} )`,i,t);else if(o==="%")return e.isInteger(s)?e.format(`( ${a} % ${r} )`,i,t):e.format(`${this.getOperatorMethod(e,i)}( ${a}, ${r} )`,i,t);else if(o==="!"||o==="~")return e.format(`(${o}${a})`,n,t);else if(l)return e.format(`${l}( ${a}, ${r} )`,i,t);else{if(e.isMatrix(n)&&s==="float")return e.format(`( ${r} ${o} ${a} )`,i,t);if(n==="float"&&e.isMatrix(s))return e.format(`${a} ${o} ${r}`,i,t);let l=`( ${a} ${o} ${r} )`;return!c&&i==="bool"&&e.isVector(n)&&e.isVector(s)&&(l=`all${l}`),e.format(l,i,t)}}else if(n!=="void")return l?e.format(`${l}( ${a}, ${r} )`,i,t):e.isMatrix(n)&&s==="float"?e.format(`${r} ${o} ${a}`,i,t):e.format(`${a} ${o} ${r}`,i,t)}serialize(e){super.serialize(e),e.op=this.op}deserialize(e){super.deserialize(e),this.op=e.op}}add=nodeProxyIntent(OperatorNode,"+").setParameterLength(2,1/0).setName("add"),sub=nodeProxyIntent(OperatorNode,"-").setParameterLength(2,1/0).setName("sub"),mul=nodeProxyIntent(OperatorNode,"*").setParameterLength(2,1/0).setName("mul"),div=nodeProxyIntent(OperatorNode,"/").setParameterLength(2,1/0).setName("div"),mod=nodeProxyIntent(OperatorNode,"%").setParameterLength(2).setName("mod"),equal=nodeProxyIntent(OperatorNode,"==").setParameterLength(2).setName("equal"),notEqual=nodeProxyIntent(OperatorNode,"!=").setParameterLength(2).setName("notEqual"),lessThan=nodeProxyIntent(OperatorNode,"<").setParameterLength(2).setName("lessThan"),greaterThan=nodeProxyIntent(OperatorNode,">").setParameterLength(2).setName("greaterThan"),lessThanEqual=nodeProxyIntent(OperatorNode,"<=").setParameterLength(2).setName("lessThanEqual"),greaterThanEqual=nodeProxyIntent(OperatorNode,">=").setParameterLength(2).setName("greaterThanEqual"),and=nodeProxyIntent(OperatorNode,"&&").setParameterLength(2,1/0).setName("and"),or=nodeProxyIntent(OperatorNode,"||").setParameterLength(2,1/0).setName("or"),not=nodeProxyIntent(OperatorNode,"!").setParameterLength(1).setName("not"),xor=nodeProxyIntent(OperatorNode,"^^").setParameterLength(2).setName("xor"),bitAnd=nodeProxyIntent(OperatorNode,"&").setParameterLength(2).setName("bitAnd"),bitNot=nodeProxyIntent(OperatorNode,"~").setParameterLength(1).setName("bitNot"),bitOr=nodeProxyIntent(OperatorNode,"|").setParameterLength(2).setName("bitOr"),bitXor=nodeProxyIntent(OperatorNode,"^").setParameterLength(2).setName("bitXor"),shiftLeft=nodeProxyIntent(OperatorNode,"<<").setParameterLength(2).setName("shiftLeft"),shiftRight=nodeProxyIntent(OperatorNode,">>").setParameterLength(2).setName("shiftRight"),incrementBefore=Fn(([e])=>(e.addAssign(1),e)),decrementBefore=Fn(([e])=>(e.subAssign(1),e)),increment=Fn(([e])=>{const t=int(e).toConst();return e.addAssign(1),t}),decrement=Fn(([e])=>{const t=int(e).toConst();return e.subAssign(1),t}),addMethodChaining("add",add),addMethodChaining("sub",sub),addMethodChaining("mul",mul),addMethodChaining("div",div),addMethodChaining("mod",mod),addMethodChaining("equal",equal),addMethodChaining("notEqual",notEqual),addMethodChaining("lessThan",lessThan),addMethodChaining("greaterThan",greaterThan),addMethodChaining("lessThanEqual",lessThanEqual),addMethodChaining("greaterThanEqual",greaterThanEqual),addMethodChaining("and",and),addMethodChaining("or",or),addMethodChaining("not",not),addMethodChaining("xor",xor),addMethodChaining("bitAnd",bitAnd),addMethodChaining("bitNot",bitNot),addMethodChaining("bitOr",bitOr),addMethodChaining("bitXor",b

40itXor),addMethodChaining("shiftLeft",shiftLeft),addMethodChaining("shiftRight",shiftRight),addMethodChaining("incrementBefore",incrementBefore),addMethodChaining("decrementBefore",decrementBefore),addMethodChaining("increment",increment),addMethodChaining("decrement",decrement),modInt=(e,t)=>(warn('TSL: "modInt()" is deprecated. Use "mod( int( ... ) )" instead.'),mod(int(e),int(t))),addMethodChaining("modInt",modInt);class MathNode extends TempNode{static get type(){return"MathNode"}constructor(e,t,n=null,s=null){if(super(),(e===MathNode.MAX||e===MathNode.MIN)&&arguments.length>3){let o=new MathNode(e,t,n);for(let t=2;t<arguments.length-1;t++)o=new MathNode(e,o,arguments[t]);t=o,n=arguments[arguments.length-1],s=null}this.method=e,this.aNode=t,this.bNode=n,this.cNode=s,this.isMathNode=!0}getInputType(e){const t=this.aNode.getNodeType(e),n=this.bNode?this.bNode.getNodeType(e):null,s=this.cNode?this.cNode.getNodeType(e):null,o=e.isMatrix(t)?0:e.getTypeLength(t),a=e.isMatrix(n)?0:e.getTypeLength(n),i=e.isMatrix(s)?0:e.getTypeLength(s);return o>a&&o>i?t:a>i?n:i>o?s:t}getNodeType(e){const t=this.method;return t===MathNode.LENGTH||t===MathNode.DISTANCE||t===MathNode.DOT?"float":t===MathNode.CROSS?"vec3":t===MathNode.ALL||t===MathNode.ANY?"bool":t===MathNode.EQUALS?e.changeComponentType(this.aNode.getNodeType(e),"bool"):this.getInputType(e)}setup(e){const{aNode:n,bNode:o,method:s}=this;let t=null;if(s===MathNode.ONE_MINUS)t=sub(1,n);else if(s===MathNode.RECIPROCAL)t=div(1,n);else if(s===MathNode.DIFFERENCE)t=abs(sub(n,o));else if(s===MathNode.TRANSFORM_DIRECTION){let s=n,i=o;e.isMatrix(s.getNodeType(e))?i=vec4(vec3(i),0):s=vec4(vec3(s),0);const a=mul(s,i).xyz;t=normalize2(a)}return t!==null?t:super.setup(e)}generate(e,t){const d=e.getNodeProperties(this);if(d.outputNode)return super.generate(e,t);let n=this.method;const r=this.getNodeType(e),s=this.getInputType(e),a=this.aNode,o=this.bNode,c=this.cNode,l=e.renderer.coordinateSystem;if(n===MathNode.NEGATE)return e.format("( - "+a.build(e,s)+" )",r,t);const i=[];return n===MathNode.CROSS?i.push(a.build(e,r),o.build(e,r)):l===WebGLCoordinateSystem&&n===MathNode.STEP?i.push(a.build(e,e.getTypeLength(a.getNodeType(e))===1?"float":s),o.build(e,s)):l===WebGLCoordinateSystem&&(n===MathNode.MIN||n===MathNode.MAX)?i.push(a.build(e,s),o.build(e,e.getTypeLength(o.getNodeType(e))===1?"float":s)):n===MathNode.REFRACT?i.push(a.build(e,s),o.build(e,s),c.build(e,"float")):n===MathNode.MIX?i.push(a.build(e,s),o.build(e,s),c.build(e,e.getTypeLength(c.getNodeType(e))===1?"float":s)):(l===WebGPUCoordinateSystem&&n===MathNode.ATAN&&o!==null&&(n="atan2"),e.shaderStage!=="fragment"&&(n===MathNode.DFDX||n===MathNode.DFDY)&&(warn(`TSL: '${n}' is not supported in the ${e.shaderStage} stage.`),n="/*"+n+"*/"),i.push(a.build(e,s)),o!==null&&i.push(o.build(e,s)),c!==null&&i.push(c.build(e,s))),e.format(`${e.getMethod(n,r)}( ${i.join(", ")} )`,r,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}MathNode.ALL="all",MathNode.ANY="any",MathNode.RADIANS="radians",MathNode.DEGREES="degrees",MathNode.EXP="exp",MathNode.EXP2="exp2",MathNode.LOG="log",MathNode.LOG2="log2",MathNode.SQRT="sqrt",MathNode.INVERSE_SQRT="inversesqrt",MathNode.FLOOR="floor",MathNode.CEIL="ceil",MathNode.NORMALIZE="normalize",MathNode.FRACT="fract",MathNode.SIN="sin",MathNode.COS="cos",MathNode.TAN="tan",MathNode.ASIN="asin",MathNode.ACOS="acos",MathNode.ATAN="atan",MathNode.ABS="abs",MathNode.SIGN="sign",MathNode.LENGTH="length",MathNode.NEGATE="negate",MathNode.ONE_MINUS="oneMinus",MathNode.DFDX="dFdx",MathNode.DFDY="dFdy",MathNode.ROUND="round",MathNode.RECIPROCAL="reciprocal",MathNode.TRUNC="trunc",MathNode.FWIDTH="fwidth",MathNode.TRANSPOSE="transpose",MathNode.DETERMINANT="determinant",MathNode.INVERSE="inverse",MathNode.EQUALS="equals",MathNode.MIN="min",MathNode.MAX="max",MathNode.STEP="step",MathNode.REFLECT="reflect",MathNode.DISTANCE="distance",MathNode.DIFFERENCE="difference",MathNode.DOT="dot",MathNode.CROSS="cross",MathNode.POW="pow",MathNode.TRANSFORM_DIRECTION="transformDirection",MathNode.MIX="mix",MathNode.CLAMP="clamp",MathNode.REFRACT="refract",MathNode.SMOOTHSTEP="smoothstep",MathNode.FACEFORWARD="faceforward",EPSILON=float(1e-6),PI=float(Math.PI),PI2=float(Math.PI*2),TWO_PI=float(Math.PI*2),HALF_PI=float(Math.PI*.5),all=nodeProxyIntent(MathNode,MathNode.ALL).setParameterLength(1),any=nodeProxyIntent(MathNode,MathNode.ANY).setParameterLength(1),radians=nodeProxyIntent(MathNode,MathNode.RADIA

40NS).setParameterLength(1),degrees=nodeProxyIntent(MathNode,MathNode.DEGREES).setParameterLength(1),exp=nodeProxyIntent(MathNode,MathNode.EXP).setParameterLength(1),exp2=nodeProxyIntent(MathNode,MathNode.EXP2).setParameterLength(1),log2=nodeProxyIntent(MathNode,MathNode.LOG).setParameterLength(1),log22=nodeProxyIntent(MathNode,MathNode.LOG2).setParameterLength(1),sqrt=nodeProxyIntent(MathNode,MathNode.SQRT).setParameterLength(1),inverseSqrt=nodeProxyIntent(MathNode,MathNode.INVERSE_SQRT).setParameterLength(1),floor=nodeProxyIntent(MathNode,MathNode.FLOOR).setParameterLength(1),ceil=nodeProxyIntent(MathNode,MathNode.CEIL).setParameterLength(1),normalize2=nodeProxyIntent(MathNode,MathNode.NORMALIZE).setParameterLength(1),fract=nodeProxyIntent(MathNode,MathNode.FRACT).setParameterLength(1),sin=nodeProxyIntent(MathNode,MathNode.SIN).setParameterLength(1),cos=nodeProxyIntent(MathNode,MathNode.COS).setParameterLength(1),tan=nodeProxyIntent(MathNode,MathNode.TAN).setParameterLength(1),asin=nodeProxyIntent(MathNode,MathNode.ASIN).setParameterLength(1),acos=nodeProxyIntent(MathNode,MathNode.ACOS).setParameterLength(1),atan=nodeProxyIntent(MathNode,MathNode.ATAN).setParameterLength(1,2),abs=nodeProxyIntent(MathNode,MathNode.ABS).setParameterLength(1),sign=nodeProxyIntent(MathNode,MathNode.SIGN).setParameterLength(1),length=nodeProxyIntent(MathNode,MathNode.LENGTH).setParameterLength(1),negate=nodeProxyIntent(MathNode,MathNode.NEGATE).setParameterLength(1),oneMinus=nodeProxyIntent(MathNode,MathNode.ONE_MINUS).setParameterLength(1),dFdx=nodeProxyIntent(MathNode,MathNode.DFDX).setParameterLength(1),dFdy=nodeProxyIntent(MathNode,MathNode.DFDY).setParameterLength(1),round=nodeProxyIntent(MathNode,MathNode.ROUND).setParameterLength(1),reciprocal=nodeProxyIntent(MathNode,MathNode.RECIPROCAL).setParameterLength(1),trunc=nodeProxyIntent(MathNode,MathNode.TRUNC).setParameterLength(1),fwidth=nodeProxyIntent(MathNode,MathNode.FWIDTH).setParameterLength(1),transpose=nodeProxyIntent(MathNode,MathNode.TRANSPOSE).setParameterLength(1),determinant=nodeProxyIntent(MathNode,MathNode.DETERMINANT).setParameterLength(1),inverse=nodeProxyIntent(MathNode,MathNode.INVERSE).setParameterLength(1),equals=(e,t)=>(warn('TSL: "equals" is deprecated. Use "equal" inside a vector instead, like: "bvec*( equal( ... ) )"'),equal(e,t)),min$1=nodeProxyIntent(MathNode,MathNode.MIN).setParameterLength(2,1/0),max$1=nodeProxyIntent(MathNode,MathNode.MAX).setParameterLength(2,1/0),step=nodeProxyIntent(MathNode,MathNode.STEP).setParameterLength(2),reflect=nodeProxyIntent(MathNode,MathNode.REFLECT).setParameterLength(2),distance=nodeProxyIntent(MathNode,MathNode.DISTANCE).setParameterLength(2),difference=nodeProxyIntent(MathNode,MathNode.DIFFERENCE).setParameterLength(2),dot=nodeProxyIntent(MathNode,MathNode.DOT).setParameterLength(2),cross=nodeProxyIntent(MathNode,MathNode.CROSS).setParameterLength(2),pow=nodeProxyIntent(MathNode,MathNode.POW).setParameterLength(2),pow2=e=>mul(e,e),pow3=e=>mul(e,e,e),pow4=e=>mul(e,e,e,e),transformDirection=nodeProxyIntent(MathNode,MathNode.TRANSFORM_DIRECTION).setParameterLength(2),cbrt=e=>mul(sign(e),pow(abs(e),1/3)),lengthSq=e=>dot(e,e),mix=nodeProxyIntent(MathNode,MathNode.MIX).setParameterLength(3),clamp2=(e,t=0,n=1)=>nodeObject(new MathNode(MathNode.CLAMP,nodeObject(e),nodeObject(t),nodeObject(n))),saturate=e=>clamp2(e),refract=nodeProxyIntent(MathNode,MathNode.REFRACT).setParameterLength(3),smoothstep2=nodeProxyIntent(MathNode,MathNode.SMOOTHSTEP).setParameterLength(3),faceForward=nodeProxyIntent(MathNode,MathNode.FACEFORWARD).setParameterLength(3),rand=Fn(([e])=>{const t=12.9898,n=78.233,s=43758.5453,o=dot(e.xy,vec2(t,n)),i=mod(o,PI);return fract(sin(i).mul(s))}),mixElement=(e,t,n)=>mix(t,n,e),smoothstepElement=(e,t,n)=>smoothstep2(t,n,e),stepElement=(e,t)=>step(t,e),atan2=(e,t)=>(warn('TSL: "atan2" is overloaded. Use "atan" instead.'),atan(e,t)),addMethodChaining("all",all),addMethodChaining("any",any),addMethodChaining("equals",equals),addMethodChaining("radians",radians),addMethodChaining("degrees",degrees),addMethodChaining("exp",exp),addMethodChaining("exp2",exp2),addMethodChaining("log",log2),addMethodChaining("log2",log22),addMethodChaining("sqrt",sqrt),addMethodChaining("inverseSqrt",inverseSqrt),addMethodChaining("floor",floor),addMethodChaining("ceil",ceil),addMethodChaining("normalize",normalize2),addMethodChaining("fract",fract),addMethodChaining("sin",sin),addMethodChaining("cos",cos),addMethodChaining("tan",tan),addMethodChaining("asin",asin),addMethodChaining("acos",acos),addMethodChaining("atan",atan),addMethodChaining("abs",abs),addMethodChaining("sign",sign),addMethodChaining("length",length),addMethodChaining("lengthSq",lengthSq),addMethodChaining("negate",negate),addMethodChaining("oneMinus",oneMinus),addMethodChaining("dFdx",dFdx),addMethodChaining("dFdy",dFdy),addMethodChaining("round",round),addMethodChaining("reciprocal",reciprocal),addMethodChaining("trunc",trunc),addMethodChaining("fwidth",fwidth),addMethodChaining("atan2",atan2),addMethodChaining("min",min$1),addMethodChaining("max",max$1),addMethodChaining("step",stepElement),addMethodChaining("reflect",reflect),addMethodChaining("distance",distance),addMethodChaining("dot",dot),addMethodChaining("cross",cross),addMethodChaining("pow",pow),addMethodChaining("pow2",pow2),addMethodChaining("pow3",pow3),addMethodChaining("pow4",pow4),addMethodChaining("transformDirection",transformDirection),addMethodChaining("mix",mixElement),addMethodChaining("clamp",clamp2),addMethodChaining("refract",refract),addMethodChaining("smoothstep",smoothstepElement),addMethodChaining("faceForward",faceForward),addMethodChaining("difference",difference),addMethodChaining("saturate",saturate),addMethodChaining("cbrt",cbrt),addMethodChaining("transpose",transpose),addMethodChaining("determinant",determinant),addMethodChaining("inverse",inverse),addMethodChaining("rand",rand);class ConditionalNode extends Node{static get type(){return"ConditionalNode"}constructor(e,t,n=null){super(),this.condNode=e,this.ifNode=t,this.elseNode=n}

40getNodeType(e){const{ifNode:t,elseNode:n}=e.getNodeProperties(this);if(t===0[0])return e.flowBuildStage(this,"setup"),this.getNodeType(e);const s=t.getNodeType(e);if(n!==null){const t=n.getNodeType(e);if(e.getTypeLength(t)>e.getTypeLength(s))return t}return s}setup(e){const a=this.condNode,n=this.ifNode.isolate(),t=this.elseNode?this.elseNode.isolate():null,o=e.context.nodeBlock;e.getDataFromNode(n).parentNodeBlock=o,t!==null&&(e.getDataFromNode(t).parentNodeBlock=o);const i=e.context.uniformFlow,s=e.getNodeProperties(this);s.condNode=a,s.ifNode=i?n:n.context({nodeBlock:n}),s.elseNode=t?i?t:t.context({nodeBlock:t}):null}generate(e,t){const s=this.getNodeType(e),a=e.getDataFromNode(this);if(a.nodeProperty!==0[0])return a.nodeProperty;const{condNode:u,ifNode:c,elseNode:o}=e.getNodeProperties(this),l=e.currentFunctionNode,r=t!=="void",i=r?property(s).build(e):"";a.nodeProperty=i;const d=u.build(e,"bool"),h=e.context.uniformFlow;if(h&&o!==null){const n=c.build(e,s),i=o.build(e,s),a=e.getTernary(d,n,i);return e.format(a,s,t)}e.addFlowCode(`
41${e.tab}if ( ${d} ) {
42
43`).addFlowTab();let n=c.build(e,s);if(n&&(r?n=i+" = "+n+";":(n="return "+n+";",l===null&&(warn("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values."),n="// "+n))),e.removeFlowTab().addFlowCode(e.tab+"	"+n+`
44
45`+e.tab+"}"),o!==null){e.addFlowCode(` else {
46
47`).addFlowTab();let t=o.build(e,s);t&&(r?t=i+" = "+t+";":(t="return "+t+";",l===null&&(warn("TSL: Return statement used in an inline 'Fn()'. Define a layout struct to allow return values."),t="// "+t))),e.removeFlowTab().addFlowCode(e.tab+"	"+t+`
48
49`+e.tab+`}
50
51`)}else e.addFlowCode(`
52
53`);return e.format(i,s,t)}}select=nodeProxy(ConditionalNode).setParameterLength(2,3),addMethodChaining("select",select);class ContextNode extends Node{static get type(){return"ContextNode"}constructor(e=null,t={}){super(),this.isContextNode=!0,this.node=e,this.value=t}getScope(){return this.node.getScope()}getNodeType(e){return this.node.getNodeType(e)}getFlowContextData(){const e=[];return this.traverse(t=>{t.isContextNode===!0&&e.push(t.value)}),Object.assign({},...e)}getMemberType(e,t){return this.node.getMemberType(e,t)}analyze(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}setup(e){const t=e.addContext(this.value);this.node.build(e),e.setContext(t)}generate(e,t){const n=e.addContext(this.value),s=this.node.build(e,t);return e.setContext(n),s}}context=(e=null,t={})=>{let n=e;return(n===null||n.isNode!==!0)&&(t=n||t,n=null),new ContextNode(n,t)},uniformFlow=e=>context(e,{uniformFlow:!0}),setName=(e,t)=>context(e,{nodeName:t});function builtinShadowContext(e,t,n=null){return context(n,{getShadow:({light:n,shadowColorNode:s})=>t===n?s.mul(e):s})}function builtinAOContext(e,t=null){return context(t,{getAO:(t,{material:n})=>n.transparent===!0?t:t!==null?t.mul(e):e})}function label(e,t){return warn('TSL: "label()" has been deprecated. Use "setName()" instead.'),setName(e,t)}addMethodChaining("context",context),addMethodChaining("label",label),addMethodChaining("uniformFlow",uniformFlow),addMethodChaining("setName",setName),addMethodChaining("builtinShadowContext",(e,t,n)=>builtinShadowContext(t,n,e)),addMethodChaining("builtinAOContext",(e,t)=>builtinAOContext(t,e));class VarNode extends Node{static get type(){return"VarNode"}constructor(e,t=null,n=!1){super(),this.node=e,this.name=t,this.global=!0,this.isVarNode=!0,this.readOnly=n,this.parents=!0,this.intent=!1}setIntent(e){return this.intent=e,this}isIntent(e){const t=e.getDataFromNode(this);return t.forceDeclaration!==!0&&this.intent}getIntent(){return this.intent}getMemberType(e,t){return this.node.getMemberType(e,t)}getElementType(e){return this.node.getElementType(e)}getNodeType(e){return this.node.getNodeType(e)}getArrayCount(e){return this.node.getArrayCount(e)}isAssign(e){const t=e.getDataFromNode(this);return t.assign}build(...t){const e=t[0];if(this._hasStack(e)===!1&&e.buildStage==="setup"&&(e.context.nodeLoop||e.context.nodeBlock)){let t=!1;if(this.node.isShaderCallNodeInternal&&this.node.shaderNode.getLayout()===null&&e.fnCall&&e.fnCall.shaderNode){const n=e.getDataFromNode(this.node.shaderNode);

53if(n.hasLoop){const n=e.getDataFromNode(this);n.forceDeclaration=!0,t=!0}}const n=e.getBaseStack();t?n.addToStackBefore(this):n.addToStack(this)}return this.isIntent(e)&&this.isAssign(e)!==!0?this.node.build(...t):super.build(...t)}generate(e){const{node:n,name:m,readOnly:r}=this,{renderer:u}=e,c=u.backend.isWebGPUBackend===!0;let o=!1,i=!1;r&&(o=e.isDeterministic(n),i=c?r:o);const l=this.getNodeType(e);if(l=="void"){this.isIntent(e)!==!0&&error('TSL: ".toVar()" can not be used with void type.');const t=n.build(e);return t}const d=e.getVectorType(l),h=n.build(e,d),a=e.getVarFromNode(this,m,d,0[0],i),t=e.getPropertyName(a);let s=t;if(i)if(c)s=o?`const ${t}`:`let ${t}`;else{const o=n.getArrayCount(e);s=`const ${e.getVar(a.type,t,o)}`}return e.addLineFlowCode(`${s} = ${h}`,this),t}_hasStack(e){const t=e.getDataFromNode(this);return t.stack!==0[0]}}createVar=nodeProxy(VarNode),Var=(e,t=null)=>createVar(e,t).toStack(),Const=(e,t=null)=>createVar(e,t,!0).toStack(),VarIntent=e=>createVar(e).setIntent(!0).toStack(),addMethodChaining("toVar",Var),addMethodChaining("toConst",Const),addMethodChaining("toVarIntent",VarIntent);class SubBuildNode extends Node{static get type(){return"SubBuild"}constructor(e,t,n=null){super(n),this.node=e,this.name=t,this.isSubBuildNode=!0}getNodeType(e){if(this.nodeType!==null)return this.nodeType;e.addSubBuild(this.name);const t=this.node.getNodeType(e);return e.removeSubBuild(),t}build(e,...t){e.addSubBuild(this.name);const n=this.node.build(e,...t);return e.removeSubBuild(),n}}subBuild=(e,t,n=null)=>nodeObject(new SubBuildNode(nodeObject(e),t,n));class VaryingNode extends Node{static get type(){return"VaryingNode"}constructor(e,t=null){super(),this.node=e,this.name=t,this.isVaryingNode=!0,this.interpolationType=null,this.interpolationSampling=null,this.global=!0}setInterpolation(e,t=null){return this.interpolationType=e,this.interpolationSampling=t,this}getHash(e){return this.name||super.getHash(e)}getNodeType(e){return this.node.getNodeType(e)}setupVarying(e){const n=e.getNodeProperties(this);let t=n.varying;if(t===0[0]){const s=this.name,o=this.getNodeType(e),i=this.interpolationType,a=this.interpolationSampling;n.varying=t=e.getVaryingFromNode(this,s,o,i,a),n.node=subBuild(this.node,"VERTEX")}return t.needsInterpolation||(t.needsInterpolation=e.shaderStage==="fragment"),t}setup(e){this.setupVarying(e),e.flowNodeFromShaderStage(NodeShaderStage.VERTEX,this.node)}analyze(e){this.setupVarying(e),e.flowNodeFromShaderStage(NodeShaderStage.VERTEX,this.node)}generate(e){const n=e.getSubBuildProperty("property",e.currentStack),t=e.getNodeProperties(this),s=this.setupVarying(e);if(t[n]===0[0]){const i=this.getNodeType(e),o=e.getPropertyName(s,NodeShaderStage.VERTEX);e.flowNodeFromShaderStage(NodeShaderStage.VERTEX,t.node,i,o),t[n]=o}return e.getPropertyName(s)}}varying=nodeProxy(VaryingNode).setParameterLength(1,2),vertexStage=e=>varying(e),addMethodChaining("toVarying",varying),addMethodChaining("toVertexStage",vertexStage),addMethodChaining("varying",(...e)=>(warn("TSL: .varying() has been renamed to .toVarying()."),varying(...e))),addMethodChaining("vertexStage",(...e)=>(warn("TSL: .vertexStage() has been renamed to .toVertexStage()."),varying(...e))),sRGBTransferEOTF=Fn(([e])=>{const t=e.mul(.9478672986).add(.0521327014).pow(2.4),n=e.mul(.0773993808),s=e.lessThanEqual(.04045),o=mix(t,n,s);return o}).setLayout({name:"sRGBTransferEOTF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),sRGBTransferOETF=Fn(([e])=>{const t=e.pow(.41666).mul(1.055).sub(.055),n=e.mul(12.92),s=e.lessThanEqual(.0031308),o=mix(t,n,s);return o}).setLayout({name:"sRGBTransferOETF",type:"vec3",inputs:[{name:"color",type:"vec3"}]}),WORKING_COLOR_SPACE="WorkingColorSpace",OUTPUT_COLOR_SPACE="OutputColorSpace";class ColorSpaceNode extends TempNode{static get type(){return"ColorSpaceNode"}constructor(e,t,n){super("vec4"),this.colorNode=e,this.source=t,this.target=n}resolveColorSpace(e,t){return t===WORKING_COLOR_SPACE?ColorManagement.workingColorSpace:t===OUTPUT_COLOR_SPACE?e.context.outputColorSpace||e.renderer.outputColorSpace:t}setup(e){const{colorNode:o}=this,n=this.resolveColorSpace(e,this.source),s=this.resolveColorSpace(e,this.target);

53let t=o;return ColorManagement.enabled===!1||n===s||!n||!s?t:(ColorManagement.getTransfer(n)===SRGBTransfer&&(t=vec4(sRGBTransferEOTF(t.rgb),t.a)),ColorManagement.getPrimaries(n)!==ColorManagement.getPrimaries(s)&&(t=vec4(mat3(ColorManagement._getMatrix(new Matrix3,n,s)).mul(t.rgb),t.a)),ColorManagement.getTransfer(s)===SRGBTransfer&&(t=vec4(sRGBTransferOETF(t.rgb),t.a)),t)}}workingToColorSpace=(e,t)=>nodeObject(new ColorSpaceNode(nodeObject(e),WORKING_COLOR_SPACE,t)),colorSpaceToWorking=(e,t)=>nodeObject(new ColorSpaceNode(nodeObject(e),t,WORKING_COLOR_SPACE)),addMethodChaining("workingToColorSpace",workingToColorSpace),addMethodChaining("colorSpaceToWorking",colorSpaceToWorking),ReferenceElementNode$1=class ReferenceElementNode extends ArrayElementNode{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),n=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,n,s)}};class ReferenceBaseNode extends Node{static get type(){return"ReferenceBaseNode"}constructor(e,t,n=null,s=null){super(),this.property=e,this.uniformType=t,this.object=n,this.count=s,this.properties=e.split("."),this.reference=n,this.node=null,this.group=null,this.updateType=NodeUpdateType.OBJECT}setGroup(e){return this.group=e,this}element(e){return new ReferenceElementNode$1(this,nodeObject(e))}setNodeType(e){const t=uniform(null,e);this.group!==null&&t.setGroup(this.group),this.node=t}getNodeType(e){return this.node===null&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let n=e[t[0]];for(let e=1;e<t.length;e++)n=n[t[e]];return n}updateReference(e){return this.reference=this.object!==null?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){this.node===null&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}reference$1=(e,t,n)=>new ReferenceBaseNode(e,t,n);class RendererReferenceNode extends ReferenceBaseNode{static get type(){return"RendererReferenceNode"}constructor(e,t,n=null){super(e,t,n),this.renderer=n,this.setGroup(renderGroup)}updateReference(e){return this.reference=this.renderer!==null?this.renderer:e.renderer,this.reference}}rendererReference=(e,t,n=null)=>new RendererReferenceNode(e,t,n);class ToneMappingNode extends TempNode{static get type(){return"ToneMappingNode"}constructor(e,t=toneMappingExposure,n=null){super("vec3"),this._toneMapping=e,this.exposureNode=t,this.colorNode=n}customCacheKey(){return hash$1(this._toneMapping)}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup(e){const t=this.colorNode||e.context.color,n=this._toneMapping;if(n===NoToneMapping)return t;let s=null;const o=e.renderer.library.getToneMappingFunction(n);return o!==null?s=vec4(o(t.rgb,this.exposureNode),t.a):(error("ToneMappingNode: Unsupported Tone Mapping configuration.",n),s=t),s}}toneMapping=(e,t,n)=>nodeObject(new ToneMappingNode(e,nodeObject(t),nodeObject(n))),toneMappingExposure=rendererReference("toneMappingExposure","float"),addMethodChaining("toneMapping",(e,t,n)=>toneMapping(t,n,e)),_bufferLib=new WeakMap;function _getBufferAttribute(e,t){let n=_bufferLib.get(e);return n===0[0]&&(n=new InterleavedBuffer(e,t),_bufferLib.set(e,n)),n}class BufferAttributeNode extends InputNode{static get type(){return"BufferAttributeNode"}constructor(e,t=null,n=0,s=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferStride=n,this.bufferOffset=s,this.usage=StaticDrawUsage,this.instanced=!1,this.attribute=null,this.global=!0,e&&e.isBufferAttribute===!0&&e.itemSize<=4&&(this.attribute=e,this.usage=e.usage,this.instanced=e.isInstancedBufferAttribute)}getHash(e){if(this.bufferStride===0&&this.bufferOffset===0){let t=e.globalCache.getData(this.value);return t===0[0]&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getNodeType(e){return this.bufferType===null&&(this.bufferType=e.getTypeFromAttribute(this.attribute)),this.bufferType}setup(e){if(this.attribute!==null)return;const i=this.getNodeType(e),s=e.getTypeLength(i),t=this.value,o=this.bufferStride||s,a=this.bufferOffset;let n;t.isInterleavedBuffer===!0?n=t:t.isBufferAttribute===!0?n=_getBufferAttribute(t.array,o):n=_getBufferAttribute(t,o);const r=new InterleavedBufferAttribute(n,s,a);n.setUsage(this.usage),this.attribute=r,this.attribute.isInstancedBufferAttribute=this.instanced}generate(e){const n=this.getNodeType(e),o=e.getBufferAttributeFromNode(this,n),s=e.getPropertyName(o);let t=null;if(e.shaderStage==="vertex"||e.shaderStage==="compute")this.name=s,t=s;else{const s=varying(this);

53t=s.build(e,n)}return t}getInputType(){return"bufferAttribute"}setUsage(e){return this.usage=e,this.attribute&&this.attribute.isBufferAttribute===!0&&(this.attribute.usage=e),this}setInstanced(e){return this.instanced=e,this}}function createBufferAttribute(e,t=null,n=0,s=0,o=StaticDrawUsage,i=!1){return t==="mat3"||t===null&&e.itemSize===9?mat3(new BufferAttributeNode(e,"vec3",9,0).setUsage(o).setInstanced(i),new BufferAttributeNode(e,"vec3",9,3).setUsage(o).setInstanced(i),new BufferAttributeNode(e,"vec3",9,6).setUsage(o).setInstanced(i)):t==="mat4"||t===null&&e.itemSize===16?mat4(new BufferAttributeNode(e,"vec4",16,0).setUsage(o).setInstanced(i),new BufferAttributeNode(e,"vec4",16,4).setUsage(o).setInstanced(i),new BufferAttributeNode(e,"vec4",16,8).setUsage(o).setInstanced(i),new BufferAttributeNode(e,"vec4",16,12).setUsage(o).setInstanced(i)):new BufferAttributeNode(e,t,n,s)}bufferAttribute=(e,t=null,n=0,s=0)=>createBufferAttribute(e,t,n,s),instancedBufferAttribute=(e,t=null,n=0,s=0)=>createBufferAttribute(e,t,n,s,StaticDrawUsage,!0),instancedDynamicBufferAttribute=(e,t=null,n=0,s=0)=>createBufferAttribute(e,t,n,s,DynamicDrawUsage,!0),addMethodChaining("toAttribute",e=>bufferAttribute(e.value));class ComputeNode extends Node{static get type(){return"ComputeNode"}constructor(e,t){super("void"),this.isComputeNode=!0,this.computeNode=e,this.workgroupSize=t,this.count=null,this.version=1,this.name="",this.updateBeforeType=NodeUpdateType.OBJECT,this.onInitFunction=null}setCount(e){return this.count=e,this}getCount(){return this.count}dispose(){this.dispatchEvent({type:"dispose"})}setName(e){return this.name=e,this}label(e){return warn('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}onInit(e){return this.onInitFunction=e,this}updateBefore({renderer:e}){e.compute(this)}setup(e){const t=this.computeNode.build(e);if(t){const n=e.getNodeProperties(this);n.outputComputeNode=t.outputNode,t.outputNode=null}return t}generate(e,t){const{shaderStage:n}=e;if(n==="compute"){const t=this.computeNode.build(e,"void");t!==""&&e.addLineFlowCode(t,this)}else{const s=e.getNodeProperties(this),n=s.outputComputeNode;if(n)return n.build(e,t)}}}computeKernel=(e,t=[64])=>{(t.length===0||t.length>3)&&error("TSL: compute() workgroupSize must have 1, 2, or 3 elements");for(let e=0;e<t.length;e++){const n=t[e];(typeof n!="number"||n<=0||!Number.isInteger(n))&&error(`TSL: compute() workgroupSize element at index [ ${e} ] must be a positive integer`)}for(;t.length<3;)t.push(1);return nodeObject(new ComputeNode(nodeObject(e),t))}

53,compute=(e,t,n)=>computeKernel(e,n).setCount(t),addMethodChaining("compute",compute),addMethodChaining("computeKernel",computeKernel);class IsolateNode extends Node{static get type(){return"IsolateNode"}constructor(e,t=!0){super(),this.node=e,this.parent=t,this.isIsolateNode=!0}getNodeType(e){const t=e.getCache(),n=e.getCacheFromNode(this,this.parent);e.setCache(n);const s=this.node.getNodeType(e);return e.setCache(t),s}build(e,...t){const n=e.getCache(),s=e.getCacheFromNode(this,this.parent);e.setCache(s);const o=this.node.build(e,...t);return e.setCache(n),o}setParent(e){return this.parent=e,this}getParent(){return this.parent}}isolate=e=>new IsolateNode(nodeObject(e));function cache(e,t=!0){return warn('TSL: "cache()" has been deprecated. Use "isolate()" instead.'),isolate(e).setParent(t)}addMethodChaining("cache",cache),addMethodChaining("isolate",isolate);class BypassNode extends Node{static get type(){return"BypassNode"}constructor(e,t){super(),this.isBypassNode=!0,this.outputNode=e,this.callNode=t}getNodeType(e){return this.outputNode.getNodeType(e)}generate(e){const t=this.callNode.build(e,"void");return t!==""&&e.addLineFlowCode(t,this),this.outputNode.build(e)}}bypass=nodeProxy(BypassNode).setParameterLength(2),addMethodChaining("bypass",bypass);class RemapNode extends Node{static get type(){return"RemapNode"}constructor(e,t,n,s=float(0),o=float(1)){super(),this.node=e,this.inLowNode=t,this.inHighNode=n,this.outLowNode=s,this.outHighNode=o,this.doClamp=!0}setup(){const{node:s,inLowNode:t,inHighNode:o,outLowNode:n,outHighNode:i,doClamp:a}=this;let e=s.sub(t).div(o.sub(t));return a===!0&&(e=e.clamp()),e.mul(i.sub(n)).add(n)}}remap=nodeProxy(RemapNode,null,null,{doClamp:!1}).setParameterLength(3,5),remapClamp=nodeProxy(RemapNode).setParameterLength(3,5),addMethodChaining("remap",remap),addMethodChaining("remapClamp",remapClamp);class ExpressionNode extends Node{static get type(){return"ExpressionNode"}constructor(e="",t="void"){super(t),this.snippet=e}generate(e,t){const n=this.getNodeType(e),s=this.snippet;if(n==="void")e.addLineFlowCode(s,this);else return e.format(s,n,t)}}expression=nodeProxy(ExpressionNode).setParameterLength(1,2),Discard=e=>(e?select(e,expression("discard")):expression("discard")).toStack(),addMethodChaining("discard",Discard);class RenderOutputNode extends TempNode{static get type(){return"RenderOutputNode"}constructor(e,t,n){super("vec4"),this.colorNode=e,this._toneMapping=t,this.outputColorSpace=n,this.isRenderOutputNode=!0}setToneMapping(e){return this._toneMapping=e,this}getToneMapping(){return this._toneMapping}setup({context:e}){let t=this.colorNode||e.color;const s=(this._toneMapping!==null?this._toneMapping:e.toneMapping)||NoToneMapping,n=(this.outputColorSpace!==null?this.outputColorSpace:e.outputColorSpace)||NoColorSpace;return s!==NoToneMapping&&(t=t.toneMapping(s)),n!==NoColorSpace&&n!==ColorManagement.workingColorSpace&&(t=t.workingToColorSpace(n)),t}}renderOutput=(e,t=null,n=null)=>nodeObject(new RenderOutputNode(nodeObject(e),t,n)),addMethodChaining("renderOutput",renderOutput);class DebugNode extends TempNode{static get type(){return"DebugNode"}constructor(e,t=null){super(),this.node=e,this.callback=t}getNodeType(e){return this.node.getNodeType(e)}setup(e){return this.node.build(e)}analyze(e){return this.node.build(e)}generate(e){const n=this.callback,s=this.node.build(e),o="--- TSL debug - "+e.shaderStage+" shader ---",i="-".repeat(o.length);let t="";return t+="// #"+o+`#
54`,t+=e.flow.code.replace(/^\t/mg,"")+`
55`,t+="/* ... */ "+s+` /* ... */
56`,t+="// #"+i+`#
57`,n!==null?n(e,t):log(t),s}}debug=(e,t=null)=>nodeObject(new DebugNode(nodeObject(e),t)).toStack(),addMethodChaining("debug",debug);class InspectorBase{constructor(){this._renderer=null,this.currentFrame=null}get nodeFrame(){return this._renderer._nodes.nodeFrame}setRenderer(e){return this._renderer=e,this}getRenderer(){return this._renderer}init(){}begin(){}finish(){}inspect(){}computeAsync(){}beginCompute(){}finishCompute(){}beginRender(){}finishRender(){}copyTextureToTexture(){}copyFramebufferToTexture(){}}class InspectorNode extends Node{static get type(){return"InspectorNode"}constructor(e,t="",n=null){super(),this.node=e,this.name=t,this.callback=n,this.updateType=NodeUpdateType.FRAME,this.isInspectorNode=!0}getName(){return this.name||this.node.name}update(e){e.renderer.inspector.inspect(this)}getNodeType(e){return this.node.getNodeType(e)}setup(e){let t=this.node;

57return e.context.inspector===!0&&this.callback!==null&&(t=this.callback(t)),e.renderer.backend.isWebGPUBackend!==!0&&e.renderer.inspector.constructor!==InspectorBase&&warnOnce('TSL: ".toInspector()" is only available with WebGPU.'),t}}function inspector(e,t="",n=null){return e=nodeObject(e),e.before(new InspectorNode(e,t,n))}addMethodChaining("toInspector",inspector);class AttributeNode extends Node{static get type(){return"AttributeNode"}constructor(e,t=null){super(t),this.global=!0,this._attributeName=e}getHash(e){return this.getAttributeName(e)}getNodeType(e){let t=this.nodeType;if(t===null){const n=this.getAttributeName(e);if(e.hasGeometryAttribute(n)){const s=e.geometry.getAttribute(n);t=e.getTypeFromAttribute(s)}else t="float"}return t}setAttributeName(e){return this._attributeName=e,this}getAttributeName(){return this._attributeName}generate(e){const t=this.getAttributeName(e),n=this.getNodeType(e),s=e.hasGeometryAttribute(t);if(s===!0){const o=e.geometry.getAttribute(t),s=e.getTypeFromAttribute(o),i=e.getAttribute(t,s);if(e.shaderStage==="vertex")return e.format(i.name,s,n);const a=varying(this);return a.build(e,n)}else return warn(`AttributeNode: Vertex attribute "${t}" not found on geometry.`),e.generateConst(n)}serialize(e){super.serialize(e),e.global=this.global,e._attributeName=this._attributeName}deserialize(e){super.deserialize(e),this.global=e.global,this._attributeName=e._attributeName}}attribute=(e,t=null)=>new AttributeNode(e,t),uv$1=(e=0)=>attribute("uv"+(e>0?e:""),"vec2");class TextureSizeNode extends Node{static get type(){return"TextureSizeNode"}constructor(e,t=null){super("uvec2"),this.isTextureSizeNode=!0,this.textureNode=e,this.levelNode=t}generate(e,t){const n=this.textureNode.build(e,"property"),s=this.levelNode===null?"0":this.levelNode.build(e,"int");return e.format(`${e.getMethod("textureDimensions")}( ${n}, ${s} )`,this.getNodeType(e),t)}}textureSize=nodeProxy(TextureSizeNode).setParameterLength(1,2);class MaxMipLevelNode extends UniformNode{static get type(){return"MaxMipLevelNode"}constructor(e){super(0),this._textureNode=e,this.updateType=NodeUpdateType.FRAME}get textureNode(){return this._textureNode}get texture(){return this._textureNode.value}update(){const n=this.texture,e=n.images,t=e&&e.length>0?e[0]&&e[0].image||e[0]:n.image;if(t&&t.width!==0[0]){const{width:e,height:n}=t;this.value=Math.log2(Math.max(e,n))}}}maxMipLevel=nodeProxy(MaxMipLevelNode).setParameterLength(1),EmptyTexture$1=new Texture;class TextureNode extends UniformNode{static get type(){return"TextureNode"}constructor(e=EmptyTexture$1,t=null,n=null,s=null){super(e),this.isTextureNode=!0,this.uvNode=t,this.levelNode=n,this.biasNode=s,this.compareNode=null,this.depthNode=null,this.gradNode=null,this.offsetNode=null,this.sampler=!0,this.updateMatrix=!1,this.updateType=NodeUpdateType.NONE,this.referenceNode=null,this._value=e,this._matrixUniform=null,this._flipYUniform=null,this.setUpdateMatrix(t===null)}set value(e){this.referenceNode?this.referenceNode.value=e:this._value=e}get value(){return this.referenceNode?this.referenceNode.value:this._value}getUniformHash(){return this.value.uuid}getNodeType(){return this.value.isDepthTexture===!0?"float":this.value.type===UnsignedIntType?"uvec4":this.value.type===IntType?"ivec4":"vec4"}getInputType(){return"texture"}getDefaultUV(){return uv$1(this.value.channel)}updateReference(){return this.value}getTransformedUV(e){return this._matrixUniform===null&&(this._matrixUniform=uniform(this.value.matrix)),this._matrixUniform.mul(vec3(e,1)).xy}setUpdateMatrix(e){return this.updateMatrix=e,this}setupUV(e,t){return e.isFlipY()&&(this._flipYUniform===null&&(this._flipYUniform=uniform(!1)),t=t.toVar(),this.sampler?t=this._flipYUniform.select(t.flipY(),t):t=this._flipYUniform.select(t.setY(int(textureSize(this,this.levelNode).y).sub(t.y).sub(1)),t)),t}setup(e){const t=e.getNodeProperties(this);t.referenceNode=this.referenceNode;const s=this.value;if(!s||s.isTexture!==!0)throw new Error("THREE.TSL: `texture( value )` function expects a valid instance of THREE.Texture().");const o=Fn(()=>{let t=this.uvNode;return(t===null||e.context.forceUVContext===!0)&&e.context.getUV&&(t=e.context.getUV(this,e)),t||(t=this.getDefaultUV()),this.updateMatrix===!0&&(t=this.getTransformedUV(t)),t=this.setupUV(e,t),this.updateType=this._matrixUniform!==null||this._flipYUniform!==null?NodeUpdateType.OBJECT:NodeUpdateType.NONE,t})();let n=this.levelNode;n===null&&e.context.getTextureLevel&&(n=e.context.getTextureLevel(this)),t.uvNode=o,t.levelNode=n,t.biasNode=this.biasNode,t.compareNode=this.compareNode,t.gradNode=this.gradNode,t.depthNode=this.depthNode,t.offsetNode=this.offsetNode}generateUV(e,t){return t.build(e,this.sampler===!0?"vec2":"ivec2")}generateOffset(e,t){return t.build(e,"ivec2")}generateSnippet(e,t,n,s,o,i,a,r,c){const d=this.value;let l;return o?l=e.generateTextureBias(d,t,n,o,i,c):r?l=e.generateTextureGrad(d,t,n,r,i,c):a?l=e.generateTextureCompare(d,t,n,a,i,c):this.sampler===!1?l=e.generateTextureLoad(d,t,n,s,i,c):s?l=e.generateTextureLevel(d,t,n,s,i,c):l=e.generateTexture(d,t,n,i,c),l}generate(e,t){const r=this.value,c=e.getNodeProperties(this),s=super.generate(e,"property");if(/^sampler/.test(t))return s+"_sampler";if(e.isReference(t))return s;const o=e.getDataFromNode(this);let n=o.propertyName;if(n===0[0]){const{uvNode:m,levelNode:a,biasNode:r,compareNode:l,depthNode:d,gradNode:t,offsetNode:u}=c,y=this.generateUV(e,m),h=a?a.build(e,"float"):null,f=r?r.build(e,"float"):null,p=d?d.build(e,"int"):null,g=l?l.build(e,"float"):null,v=t?[t[0].build(e,"vec2"),t[1].build(e,"vec2")]:null,b=u?this.generateOffset(e,u):null,j=e.getVarFromNode(this);n=e.getPropertyName(j);const i=this.generateSnippet(e,s,y,h,f,p,g,v,b);e.addLineFlowCode(`${n} = ${i}`,this),o.snippet=i,o.propertyName=n}let i=n;const a=this.getNodeType(e);return e.needsToWorkingColorSpace(r)&&(i=colorSpaceToWorking(expression(i,a),r.colorSpace).setup(e).build(e,a)),e.format(i,a,t)}setSampler(e){return this.sampler=e,this}getSampler(){return this.sampler}uv(e){return warn("TextureNode: .uv() has been renamed. Use .sample() instead."),this.sample(e)}sample(e){const t=this.clone();return t.uvNode=nodeObject(e),t.referenceNode=this.getBase(),nodeObject(t)}load(e){return this.sample(e).setSampler(!1)}blur(e){const t=this.clone();t.biasNode=nodeObject(e).mul(maxMipLevel(t)),t.referenceNode=this.getBase();const n=t.value;return t.generateMipmaps===!1&&(n&&n.generateMipmaps===!1||n.minFilter===NearestFilter||n.magFilter===NearestFilter)&&(warn("TSL: texture().blur() requires mipmaps and sampling. Use .generateMipmaps=true and .minFilter/.magFilter=THREE.LinearFilter in the Texture."),t.biasNode=null),nodeObject(t)}level(e){const t=this.clone();return t.levelNode=nodeObject(e),t.referenceNode=this.getBase(),nodeObject(t)}size(e){return textureSize(this,e)}bias(e){const t=this.clone();return t.biasNode=nodeObject(e),t.referenceNode=this.getBase(),nodeObject(t)}getBase(){return this.referenceNode?this.referenceNode.getBase():this}compare(e){const t=this.clone();return t.compareNode=nodeObject(e),t.referenceNode=this.getBase(),nodeObject(t)}grad(e,t){const n=this.clone();return n.gradNode=[nodeObject(e),nodeObject(t)],n.referenceNode=this.getBase(),nodeObject(n)}depth(e){const t=this.clone();return t.depthNode=nodeObject(e),t.referenceNode=this.getBase(),nodeObject(t)}offset(e){const t=this.clone();return t.offsetNode=nodeObject(e),t.referenceNode=this.getBase(),nodeObject(t)}serialize(e){super.serialize(e),e.value=this.value.toJSON(e.meta).uuid,e.sampler=this.sampler,e.updateMatrix=this.updateMatrix,e.updateType=this.updateType}deserialize(e){super.deserialize(e),this.value=e.meta.textures[e.value],this.sampler=e.sampler,this.updateMatrix=e.updateMatrix,this.updateType=e.updateType}update(){const e=this.value,t=this._matrixUniform;t!==null&&(t.value=e.matrix),e.matrixAutoUpdate===!0&&e.updateMatrix();const n=this._flipYUniform;n!==null&&(n.value=e.image instanceof ImageBitmap&&e.flipY===!0||e.isRenderTargetTexture===!0||e.isFramebufferTexture===!0||e.isDepthTexture===!0)}clone(){const e=new this.constructor(this.value,this.uvNode,this.levelNode,this.biasNode);return e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}textureBase=nodeProxy(TextureNode).setParameterLength(1,4).setName("texture"),texture=(e=EmptyTexture$1,t=null,n=null,

57s=null)=>{let o;return e&&e.isTextureNode===!0?(o=nodeObject(e.clone()),o.referenceNode=e.getBase(),t!==null&&(o.uvNode=nodeObject(t)),n!==null&&(o.levelNode=nodeObject(n)),s!==null&&(o.biasNode=nodeObject(s))):o=textureBase(e,t,n,s),o},textureLoad=(...e)=>texture(...e).setSampler(!1);class BufferNode extends UniformNode{static get type(){return"BufferNode"}constructor(e,t,n=0){super(e,t),this.isBufferNode=!0,this.bufferType=t,this.bufferCount=n,this.updateRanges=[]}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}getElementType(e){return this.getNodeType(e)}getInputType(){return"buffer"}}buffer=(e,t,n)=>new BufferNode(e,t,n);class UniformArrayElementNode extends ArrayElementNode{static get type(){return"UniformArrayElementNode"}constructor(e,t){super(e,t),this.isArrayBufferElementNode=!0}generate(e){const t=super.generate(e),n=this.getNodeType(),s=this.node.getPaddedType();return e.format(t,s,n)}}class UniformArrayNode extends BufferNode{static get type(){return"UniformArrayNode"}constructor(e,t=null){super(null),this.array=e,this.elementType=t===null?getValueType(e[0]):t,this.paddedType=this.getPaddedType(),this.updateType=NodeUpdateType.RENDER,this.isArrayBufferNode=!0}getNodeType(){return this.paddedType}getElementType(){return this.elementType}getPaddedType(){const t=this.elementType;let e="vec4";return t==="mat2"?e="mat2":/mat/.test(t)===!0?e="mat4":t.charAt(0)==="i"?e="ivec4":t.charAt(0)==="u"&&(e="uvec4"),e}update(){const{array:t,value:e}=this,n=this.elementType;if(n==="float"||n==="int"||n==="uint")for(let n=0;n<t.length;n++){const s=n*4;e[s]=t[n]}else if(n==="color")for(let n=0;n<t.length;n++){const s=n*4,o=t[n];e[s]=o.r,e[s+1]=o.g,e[s+2]=o.b||0}else if(n==="mat2")for(let n=0;n<t.length;n++){const s=n*4,o=t[n];e[s]=o.elements[0],e[s+1]=o.elements[1],e[s+2]=o.elements[2],e[s+3]=o.elements[3]}else if(n==="mat3")for(let o=0;o<t.length;o++){const n=o*16,s=t[o];e[n]=s.elements[0],e[n+1]=s.elements[1],e[n+2]=s.elements[2],e[n+4]=s.elements[3],e[n+5]=s.elements[4],e[n+6]=s.elements[5],e[n+8]=s.elements[6],e[n+9]=s.elements[7],e[n+10]=s.elements[8],e[n+15]=1}else if(n==="mat4")for(let n=0;n<t.length;n++){const o=n*16,s=t[n];for(let t=0;t<s.elements.length;t++)e[o+t]=s.elements[t]}else for(let n=0;n<t.length;n++){const s=n*4,o=t[n];e[s]=o.x,e[s+1]=o.y,e[s+2]=o.z||0,e[s+3]=o.w||0}}setup(e){const n=this.array.length,s=this.elementType;let t=Float32Array;const o=this.paddedType,i=e.getTypeLength(o);return s.charAt(0)==="i"&&(t=Int32Array),s.charAt(0)==="u"&&(t=Uint32Array),this.value=new t(n*i),this.bufferCount=n,this.bufferType=o,super.setup(e)}element(e){return new UniformArrayElementNode(this,nodeObject(e))}}uniformArray=(e,t)=>new UniformArrayNode(e,t);class BuiltinNode extends Node{constructor(e){super("float"),this.name=e,this.isBuiltinNode=!0}generate(){return this.name}}builtin=nodeProxy(BuiltinNode).setParameterLength(1);class ScreenNode extends Node{static get type(){return"ScreenNode"}constructor(e){super(),this.scope=e,this._output=null,this.isViewportNode=!0}getNodeType(){return this.scope===ScreenNode.DPR?"float":this.scope===ScreenNode.VIEWPORT?"vec4":"vec2"}getUpdateType(){let e=NodeUpdateType.NONE;return(this.scope===ScreenNode.SIZE||this.scope===ScreenNode.VIEWPORT||this.scope===ScreenNode.DPR)&&(e=NodeUpdateType.RENDER),this.updateType=e,e}update({renderer:e}){const t=e.getRenderTarget();this.scope===ScreenNode.VIEWPORT?t!==null?_viewportVec.copy(t.viewport):(e.getViewport(_viewportVec),_viewportVec.multiplyScalar(e.getPixelRatio())):this.scope===ScreenNode.DPR?this._output.value=e.getPixelRatio():t!==null?(_screenSizeVec.width=t.width,_screenSizeVec.height=t.height):e.getDrawingBufferSize(_screenSizeVec)}setup(){const t=this.scope;let e=null;return t===ScreenNode.SIZE?e=uniform(_screenSizeVec||(_screenSizeVec=new Vector2)):t===ScreenNode.VIEWPORT?e=uniform(_viewportVec||(_viewportVec=new Vector4)):t===ScreenNode.DPR?e=uniform(1):e=vec2(screenCoordinate.div(screenSize)),this._output=e,e}generate(e){if(this.scope===ScreenNode.COORDINATE){let t=e.getFragCoord();if(e.isFlipY()){const n=e.getNodeProperties(screenSize).outputNode.build(e);t=`${e.getType("vec2")}( ${t}.x, ${n}.y - ${t}.y )`}return t}return super.generate(e)}}ScreenNode.COORDINATE="coordinate",ScreenNode.VIEWPORT="viewport",ScreenNode.SIZE="size",ScreenNode.UV="uv",ScreenNode.DPR="dpr",screenDPR=nodeImmutable(ScreenNode,ScreenNode.DPR),screenUV=nodeImmutable(ScreenNode,ScreenNode.UV),screenSize=nodeImmutable(ScreenNode,ScreenNode.SIZE),screenCoordinate=nodeImmutable(ScreenNode,ScreenNode.COORDINATE),viewport=nodeImmutable(ScreenNode,ScreenNode.VIEWPORT),viewportSize=viewport.zw,viewportCoordinate=screenCoordinate.sub(viewport.xy),cameraIndex=uniform(0,"uint").setName("u_cameraIndex").setGroup(sharedUniformGroup("cameraIndex")).toVarying("v_cameraIndex"),cameraNear=uniform("float").setName("cameraNear").setGroup(renderGroup).onRenderUpd

57ate(({camera:e})=>e.near),cameraFar=uniform("float").setName("cameraFar").setGroup(renderGroup).onRenderUpdate(({camera:e})=>e.far),cameraProjectionMatrix=Fn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const n=[];for(const t of e.cameras)n.push(t.projectionMatrix);const s=uniformArray(n).setGroup(renderGroup).setName("cameraProjectionMatrices");t=s.element(e.isMultiViewCamera?builtin("gl_ViewID_OVR"):cameraIndex).toConst("cameraProjectionMatrix")}else t=uniform("mat4").setName("cameraProjectionMatrix").setGroup(renderGroup).onRenderUpdate(({camera:e})=>e.projectionMatrix);return t}).once()(),cameraViewMatrix=Fn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const n=[];for(const t of e.cameras)n.push(t.matrixWorldInverse);const s=uniformArray(n).setGroup(renderGroup).setName("cameraViewMatrices");t=s.element(e.isMultiViewCamera?builtin("gl_ViewID_OVR"):cameraIndex).toConst("cameraViewMatrix")}else t=uniform("mat4").setName("cameraViewMatrix").setGroup(renderGroup).onRenderUpdate(({camera:e})=>e.matrixWorldInverse);return t}).once()(),cameraPosition=Fn(({camera:e})=>{let t;if(e.isArrayCamera&&e.cameras.length>0){const n=[];for(let t=0,s=e.cameras.length;t<s;t++)n.push(new Vector3);const s=uniformArray(n).setGroup(renderGroup).setName("cameraPositions").onRenderUpdate(({camera:e},t)=>{const n=e.cameras,s=t.array;for(let e=0,t=n.length;e<t;e++)s[e].setFromMatrixPosition(n[e].matrixWorld)});t=s.element(e.isMultiViewCamera?builtin("gl_ViewID_OVR"):cameraIndex).toConst("cameraPosition")}else t=uniform(new Vector3).setName("cameraPosition").setGroup(renderGroup).onRenderUpdate(({camera:e},t)=>t.value.setFromMatrixPosition(e.matrixWorld));return t}).once()(),_sphere2=new Sphere;class Object3DNode extends Node{static get type(){return"Object3DNode"}constructor(e,t=null){super(),this.scope=e,this.object3d=t,this.updateType=NodeUpdateType.OBJECT,this.uniformNode=new UniformNode(null)}getNodeType(){const e=this.scope;if(e===Object3DNode.WORLD_MATRIX)return"mat4";if(e===Object3DNode.POSITION||e===Object3DNode.VIEW_POSITION||e===Object3DNode.DIRECTION||e===Object3DNode.SCALE)return"vec3";if(e===Object3DNode.RADIUS)return"float"}update(e){const n=this.object3d,t=this.uniformNode,s=this.scope;if(s===Object3DNode.WORLD_MATRIX)t.value=n.matrixWorld;else if(s===Object3DNode.POSITION)t.value=t.value||new Vector3,t.value.setFromMatrixPosition(n.matrixWorld);else if(s===Object3DNode.SCALE)t.value=t.value||new Vector3,t.value.setFromMatrixScale(n.matrixWorld);else if(s===Object3DNode.DIRECTION)t.value=t.value||new Vector3,n.getWorldDirection(t.value);else if(s===Object3DNode.VIEW_POSITION){const s=e.camera;t.value=t.value||new Vector3,t.value.setFromMatrixPosition(n.matrixWorld),t.value.applyMatrix4(s.matrixWorldInverse)}else if(s===Object3DNode.RADIUS){const s=e.object.geometry;s.boundingSphere===null&&s.computeBoundingSphere(),_sphere2.copy(s.boundingSphere).applyMatrix4(n.matrixWorld),t.value=_sphere2.radius}}generate(e){const t=this.scope;return t===Object3DNode.WORLD_MATRIX?this.uniformNode.nodeType="mat4":t===Object3DNode.POSITION||t===Object3DNode.VIEW_POSITION||t===Object3DNode.DIRECTION||t===Object3DNode.SCALE?this.uniformNode.nodeType="vec3":t===Object3DNode.RADIUS&&(this.uniformNode.nodeType="float"),this.uniformNode.build(e)}serialize(e){super.serialize(e),e.scope=this.scope}deserialize(e){super.deserialize(e),this.scope=e.scope}}Object3DNode.WORLD_MATRIX="worldMatrix",Object3DNode.POSITION="position",Object3DNode.SCALE="scale",Object3DNode.VIEW_POSITION="viewPosition",Object3DNode.DIRECTION="direction",Object3DNode.RADIUS="radius",objectPosition=nodeProxy(Object3DNode,Object3DNode.POSITION).setParameterLength(1);class ModelNode extends Object3DNode{static get type(){return"ModelNode"}constructor(e){super(e)}update(e){this.object3d=e.object,super.update(e)}}modelDirection=nodeImmutable(ModelNode,ModelNode.DIRECTION),modelWorldMatrix=nodeImmutable(ModelNode,ModelNode.WORLD_MATRIX),modelPosition=nodeImmutable(ModelNode,ModelNode.POSITION),modelScale=nodeImmutable(ModelNode,ModelNode.SCALE),modelViewPosition=nodeImmutable(ModelNode,ModelNode.VIEW_POSITION),modelRadius=nodeImmutable(ModelNode,ModelNode.RADIUS),modelNormalMatrix=uniform(new Matrix3).onObjectUpdate(({object:e},t)=>t.value.getNormalMatrix(e.matrixWorld)),modelViewMatrix=Fn(e=>e.context.modelViewMatrix||mediumpModelViewMatrix).once()().toVar("modelViewMatrix"),mediumpModelViewMatrix=cameraViewMatrix.mul(modelWorldMatrix),highpModelViewMatrix=Fn(e=>

57(e.context.isHighPrecisionModelViewMatrix=!0,uniform("mat4").onObjectUpdate(({object:e,camera:t})=>e.modelViewMatrix.multiplyMatrices(t.matrixWorldInverse,e.matrixWorld)))).once()().toVar("highpModelViewMatrix"),highpModelNormalViewMatrix=Fn(e=>{const t=e.context.isHighPrecisionModelViewMatrix;return uniform("mat3").onObjectUpdate(({object:e,camera:n})=>(t!==!0&&e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix)))}).once()().toVar("highpModelNormalViewMatrix"),positionGeometry=attribute("position","vec3"),positionLocal=positionGeometry.toVarying("positionLocal"),positionPrevious=positionGeometry.toVarying("positionPrevious"),positionWorld=Fn(e=>modelWorldMatrix.mul(positionLocal).xyz.toVarying(e.getSubBuildProperty("v_positionWorld")),"vec3").once(["POSITION"])(),positionWorldDirection=Fn(()=>{const e=positionLocal.transformDirection(modelWorldMatrix).toVarying("v_positionWorldDirection");return e.normalize().toVar("positionWorldDirection")},"vec3").once(["POSITION"])(),positionView=Fn(e=>e.context.setupPositionView().toVarying("v_positionView"),"vec3").once(["POSITION"])(),positionViewDirection=Fn(e=>{let t;return e.camera.isOrthographicCamera?t=vec3(0,0,1):t=positionView.negate().toVarying("v_positionViewDirection").normalize(),t.toVar("positionViewDirection")},"vec3").once(["POSITION"])();class FrontFacingNode extends Node{static get type(){return"FrontFacingNode"}constructor(){super("bool"),this.isFrontFacingNode=!0}generate(e){if(e.shaderStage!=="fragment")return"true";const{material:t}=e;return t.side===BackSide?"false":e.getFrontFacing()}}frontFacing=nodeImmutable(FrontFacingNode),faceDirection=float(frontFacing).mul(2).sub(1),directionToFaceDirection=Fn(([e],{material:t})=>{const n=t.side;return n===BackSide?e=e.mul(-1):n===DoubleSide&&(e=e.mul(faceDirection)),e}),normalGeometry=attribute("normal","vec3"),normalLocal=Fn(e=>e.geometry.hasAttribute("normal")===!1?(warn('TSL: Vertex attribute "normal" not found on geometry.'),vec3(0,1,0)):normalGeometry,"vec3").once()().toVar("normalLocal"),normalFlat=positionView.dFdx().cross(positionView.dFdy()).normalize().toVar("normalFlat"),normalViewGeometry=Fn(e=>{let t;return e.material.flatShading===!0?t=normalFlat:t=transformNormalToView(normalLocal).toVarying("v_normalViewGeometry").normalize(),t},"vec3").once()().toVar("normalViewGeometry"),normalWorldGeometry=Fn(e=>{let t=normalViewGeometry.transformDirection(cameraViewMatrix);return e.material.flatShading!==!0&&(t=t.toVarying("v_normalWorldGeometry")),t.normalize().toVar("normalWorldGeometry")},"vec3").once()(),normalView=Fn(({subBuildFn:e,material:t,context:n})=>{let s;return e==="NORMAL"||e==="VERTEX"?(s=normalViewGeometry,t.flatShading!==!0&&(s=directionToFaceDirection(s))):s=n.setupNormal().context({getUV:null}),s},"vec3").once(["NORMAL","VERTEX"])().toVar("normalView"),normalWorld=normalView.transformDirection(cameraViewMatrix).toVar("normalWorld"),clearcoatNormalView=Fn(({subBuildFn:e,context:t})=>{let n;return e==="NORMAL"||e==="VERTEX"?n=normalView:n=t.setupClearcoatNormal().context({getUV:null}),n},"vec3").once(["NORMAL","VERTEX"])().toVar("clearcoatNormalView"),transformNormal=Fn(([e,t=modelWorldMatrix])=>{const n=mat3(t),s=e.div(vec3(n[0].dot(n[0]),n[1].dot(n[1]),n[2].dot(n[2])));return n.mul(s).xyz}),transformNormalToView=Fn(([e],t)=>{const n=t.context.modelNormalViewMatrix;if(n)return n.transformDirection(e);const s=modelNormalMatrix.mul(e);return cameraViewMatrix.transformDirection(s)}),transformedNormalView=Fn(()=>(warn('TSL: "transformedNormalView" is deprecated. Use "normalView" instead.'),normalView)).once(["NORMAL","VERTEX"])(),transformedNormalWorld=Fn(()=>(warn('TSL: "transformedNormalWorld" is deprecated. Use "normalWorld" instead.'),normalWorld)).once(["NORMAL","VERTEX"])(),transformedClearcoatNormalView=Fn(()=>(warn('TSL: "transformedClearcoatNormalView" is deprecated. Use "clearcoatNormalView" instead.'),clearcoatNormalView)).once(["NORMAL","VERTEX"])(),_e1$1=new Euler,_m1$12=new Matrix4,materialRefractionRatio=uniform(0).onReference(({material:e})=>e).onObjectUpdate(({material:e})=>e.refractionRatio),materialEnvIntensity=uniform(1).onReference(({material:e})=>e).onObjectUpdate(function({material:e,scene:t}){return e.envMap?e.envMapIntensity:t.environmentIntensity}),materialEnvRotation=uniform(new Matrix4).onReference(function(e){return e.material}).onObjectUpdate(function({material:e,scene:t}){const n=t.environment!==null&&e.envMap===null?t.environmentRotation:e.envMapRotation;return n?(_e1$1.copy(n),_m1$12.makeRotationFromEuler(_e1$1)):_m1$12.identity(),_m1$12}),reflectView=positionViewDirection.negate().reflect(normalView),refractView=positionViewDirection.negate().refract(normalView,materialRefractionRatio),reflectVector=reflectView.transformDirection(cameraViewMatrix).toVar("reflectVector"),refractVector=refractView.transformDirection(cameraViewMatrix).toVar("reflectVector"),EmptyTexture=new CubeTexture;class CubeTextureNode extends TextureNode{static get type(){return"CubeTextureNode"}

57constructor(e,t=null,n=null,s=null){super(e,t,n,s),this.isCubeTextureNode=!0}getInputType(){return this.value.isDepthTexture===!0?"cubeDepthTexture":"cubeTexture"}getDefaultUV(){const e=this.value;return e.mapping===CubeReflectionMapping?reflectVector:e.mapping===CubeRefractionMapping?refractVector:(error('CubeTextureNode: Mapping "%s" not supported.',e.mapping),vec3(0,0,0))}setUpdateMatrix(){}setupUV(e,t){const n=this.value;return n.isDepthTexture===!0?e.renderer.coordinateSystem===WebGPUCoordinateSystem?vec3(t.x,t.y.negate(),t.z):t:((e.renderer.coordinateSystem===WebGPUCoordinateSystem||!n.isRenderTargetTexture)&&(t=vec3(t.x.negate(),t.yz)),materialEnvRotation.mul(t))}generateUV(e,t){return t.build(e,this.sampler===!0?"vec3":"ivec3")}}cubeTextureBase=nodeProxy(CubeTextureNode).setParameterLength(1,4).setName("cubeTexture"),cubeTexture=(e=EmptyTexture,t=null,n=null,s=null)=>{let o;return e&&e.isCubeTextureNode===!0?(o=nodeObject(e.clone()),o.referenceNode=e,t!==null&&(o.uvNode=nodeObject(t)),n!==null&&(o.levelNode=nodeObject(n)),s!==null&&(o.biasNode=nodeObject(s))):o=cubeTextureBase(e,t,n,s),o};class ReferenceElementNode2 extends ArrayElementNode{static get type(){return"ReferenceElementNode"}constructor(e,t){super(e,t),this.referenceNode=e,this.isReferenceElementNode=!0}getNodeType(){return this.referenceNode.uniformType}generate(e){const t=super.generate(e),n=this.referenceNode.getNodeType(),s=this.getNodeType();return e.format(t,n,s)}}class ReferenceNode extends Node{static get type(){return"ReferenceNode"}constructor(e,t,n=null,s=null){super(),this.property=e,this.uniformType=t,this.object=n,this.count=s,this.properties=e.split("."),this.reference=n,this.node=null,this.group=null,this.name=null,this.updateType=NodeUpdateType.OBJECT}element(e){return new ReferenceElementNode2(this,nodeObject(e))}setGroup(e){return this.group=e,this}setName(e){return this.name=e,this}label(e){return warn('TSL: "label()" has been deprecated. Use "setName()" instead.'),this.setName(e)}setNodeType(e){let t=null;this.count!==null?t=buffer(null,e,this.count):Array.isArray(this.getValueFromReference())?t=uniformArray(null,e):e==="texture"?t=texture(null):e==="cubeTexture"?t=cubeTexture(null):t=uniform(null,e),this.group!==null&&t.setGroup(this.group),this.name!==null&&t.setName(this.name),this.node=t}getNodeType(e){return this.node===null&&(this.updateReference(e),this.updateValue()),this.node.getNodeType(e)}getValueFromReference(e=this.reference){const{properties:t}=this;let n=e[t[0]];for(let e=1;e<t.length;e++)n=n[t[e]];return n}updateReference(e){return this.reference=this.object!==null?this.object:e.object,this.reference}setup(){return this.updateValue(),this.node}update(){this.updateValue()}updateValue(){this.node===null&&this.setNodeType(this.uniformType);const e=this.getValueFromReference();Array.isArray(e)?this.node.array=e:this.node.value=e}}reference=(e,t,n)=>new ReferenceNode(e,t,n),referenceBuffer=(e,t,n,s)=>new ReferenceNode(e,t,s,n);class MaterialReferenceNode extends ReferenceNode{static get type(){return"MaterialReferenceNode"}constructor(e,t,n=null){super(e,t,n),this.material=n,this.isMaterialReferenceNode=!0}updateReference(e){return this.reference=this.material!==null?this.material:e.material,this.reference}}materialReference=(e,t,n=null)=>new MaterialReferenceNode(e,t,n),uv=uv$1(),q0=positionView.dFdx(),q1=positionView.dFdy(),st0=uv.dFdx(),st1=uv.dFdy(),N=normalView,q1perp=q1.cross(N),q0perp=N.cross(q0),T=q1perp.mul(st0.x).add(q0perp.mul(st1.x)),B=q1perp.mul(st0.y).add(q0perp.mul(st1.y)),det=T.dot(T).max(B.dot(B)),scale$1=det.equal(0).select(0,det.inverseSqrt()),tangentViewFrame=T.mul(scale$1).toVar("tangentViewFrame"),bitangentViewFrame=B.mul(scale$1).toVar("bitangentViewFrame"),tangentGeometry=attribute("tangent","vec4"),tangentLocal=tangentGeometry.xyz.toVar("tangentLocal"),tangentView=Fn(({subBuildFn:e,geometry:t,material:n})=>{let s;return e==="VERTEX"||t.hasAttribute("tangent")?s=modelViewMatrix.mul(vec4(tangentLocal,0)).xyz.toVarying("v_tangentView").normalize():s=tangentViewFrame,n.flatShading!==!0&&(s=directionToFaceDirection(s)),s},"vec3").once(["NORMAL","VERTEX"])().toVar("tangentView"),getBitangent=Fn(([e,t],{subBuildFn:n,material:s})=>{let o=e.mul(tangentGeometry.w).xyz;return n==="NORMAL"&&s.flatShading!==!0&&(o=o.toVarying(t)),o}).once(["NORMAL"]),bitangentView=Fn(({subBuildFn:e,geometry:t,material:n})=>{let s;return e==="VERTEX"||t.hasAttribute("tangent")?s=getBitangent(normalView.cross(tangentView),"v_bitangentView").normalize():s=bitangentViewFrame,n.flatShading!==!0&&(s=directionToFaceDirection(s)),s},"vec3").once(["NORMAL","VERTEX"])().toVar("bitangentView"),TBNViewMatrix=mat3(tangentView,bitangentView,normalView).toVar("TBNViewMatrix"),bentNormalView=Fn(()=>

57{let e=anisotropyB.cross(positionViewDirection);return e=e.cross(anisotropyB).normalize(),e=mix(e,normalView,anisotropy.mul(roughness.oneMinus()).oneMinus().pow2().pow2()).normalize(),e}).once()(),directionToColor=e=>nodeObject(e).mul(.5).add(.5),unpackNormal=e=>vec3(e,sqrt(saturate(float(1).sub(dot(e,e)))));class NormalMapNode extends TempNode{static get type(){return"NormalMapNode"}constructor(e,t=null){super("vec3"),this.node=e,this.scaleNode=t,this.normalMapType=TangentSpaceNormalMap,this.unpackNormalMode=NoNormalPacking}setup({material:e}){const{normalMapType:s,scaleNode:i,unpackNormalMode:n}=this;let t=this.node.mul(2).sub(1);if(s===TangentSpaceNormalMap?n===NormalRGPacking?t=unpackNormal(t.xy):n===NormalGAPacking?t=unpackNormal(t.yw):n!==NoNormalPacking&&console.error(`THREE.NodeMaterial: Unexpected unpack normal mode: ${n}`):n!==NoNormalPacking&&console.error(`THREE.NodeMaterial: Normal map type '${s}' is not compatible with unpack normal mode '${n}'`),i!==null){let n=i;e.flatShading===!0&&(n=directionToFaceDirection(n)),t=vec3(t.xy.mul(n),t.z)}let o=null;return s===ObjectSpaceNormalMap?o=transformNormalToView(t):s===TangentSpaceNormalMap?o=TBNViewMatrix.mul(t).normalize():(error(`NodeMaterial: Unsupported normal map type: ${s}`),o=normalView),o}}normalMap=nodeProxy(NormalMapNode).setParameterLength(1,2),dHdxy_fwd=Fn(({textureNode:e,bumpScale:t})=>{const n=t=>e.isolate().context({getUV:e=>t(e.uvNode||uv$1()),forceUVContext:!0}),s=float(n(e=>e));return vec2(float(n(e=>e.add(e.dFdx()))).sub(s),float(n(e=>e.add(e.dFdy()))).sub(s)).mul(t)}),perturbNormalArb=Fn(e=>{const{surf_pos:t,surf_norm:n,dHdxy:s}=e,o=t.dFdx().normalize(),c=t.dFdy().normalize(),i=n,a=c.cross(i),l=i.cross(o),r=o.dot(a).mul(faceDirection),d=r.sign().mul(s.x.mul(a).add(s.y.mul(l)));return r.abs().mul(n).sub(d).normalize()});class BumpMapNode extends TempNode{static get type(){return"BumpMapNode"}constructor(e,t=null){super("vec3"),this.textureNode=e,this.scaleNode=t}setup(){const e=this.scaleNode!==null?this.scaleNode:1,t=dHdxy_fwd({textureNode:this.textureNode,bumpScale:e});return perturbNormalArb({surf_pos:positionView,surf_norm:normalView,dHdxy:t})}}bumpMap=nodeProxy(BumpMapNode).setParameterLength(1,2),_propertyCache=new Map;class MaterialNode extends Node{static get type(){return"MaterialNode"}constructor(e){super(),this.scope=e}getCache(e,t){let n=_propertyCache.get(e);return n===0[0]&&(n=materialReference(e,t),_propertyCache.set(e,n)),n}getFloat(e){return this.getCache(e,"float")}getColor(e){return this.getCache(e,"color")}getTexture(e){return this.getCache(e==="map"?"map":e+"Map","texture")}setup(e){const s=e.context.material,t=this.scope;let n=null;if(t===MaterialNode.COLOR){const e=s.color!==0[0]?this.getColor(t):vec3();s.map&&s.map.isTexture===!0?n=e.mul(this.getTexture("map")):n=e}else if(t===MaterialNode.OPACITY){const e=this.getFloat(t);s.alphaMap&&s.alphaMap.isTexture===!0?n=e.mul(this.getTexture("alpha")):n=e}else if(t===MaterialNode.SPECULAR_STRENGTH)s.specularMap&&s.specularMap.isTexture===!0?n=this.getTexture("specular").r:n=float(1);else if(t===MaterialNode.SPECULAR_INTENSITY){const e=this.getFloat(t);s.specularIntensityMap&&s.specularIntensityMap.isTexture===!0?n=e.mul(this.getTexture(t).a):n=e}else if(t===MaterialNode.SPECULAR_COLOR){const e=this.getColor(t);s.specularColorMap&&s.specularColorMap.isTexture===!0?n=e.mul(this.getTexture(t).rgb):n=e}else if(t===MaterialNode.ROUGHNESS){const e=this.getFloat(t);s.roughnessMap&&s.roughnessMap.isTexture===!0?n=e.mul(this.getTexture(t).g):n=e}else if(t===MaterialNode.METALNESS){const e=this.getFloat(t);s.metalnessMap&&s.metalnessMap.isTexture===!0?n=e.mul(this.getTexture(t).b):n=e}else if(t===MaterialNode.EMISSIVE){const o=this.getFloat("emissiveIntensity"),e=this.getColor(t).mul(o);s.emissiveMap&&s.emissiveMap.isTexture===!0?n=e.mul(this.getTexture(t)):n=e}else if(t===MaterialNode.NORMAL)s.normalMap?(n=normalMap(this.getTexture("normal"),this.getCache("normalScale","vec2")),n.normalMapType=s.normalMapType,(s.normalMap.format==RGFormat||s.normalMap.format==RED_GREEN_RGTC2_Format||s.normalMap.format==RG11_EAC_Format)&&(n.unpackNormalMode=NormalRGPacking)):s.bumpMap?n=bumpMap(this.getTexture("bump").r,this.getFloat("bumpScale")):n=normalView;else if(t===MaterialNode.CLEARCOAT){const e=this.getFloat(t);s.clearcoatMap&&s.clearcoatMap.isTexture===!0?n=e.mul(this.getTexture(t).r):n=e}else if(t===MaterialNode.CLEARCOAT_ROUGHNESS){const e=this.getFloat(t);s.clearcoatRoughnessMap&&s.clearcoatRoughnessMap.isTexture===!0?n=e.mul(this.getTexture(t).r):n=e}else if(t===MaterialNode.CLEARCOAT_NORMAL)s.clearcoatNormalMap?n=normalMap(this.getTexture(t),this.getCache(t+"Scale","vec2")):n=normalView;else if(t===MaterialNode.SHEEN){const e=this.getColor("sheenColor").mul(this.getFloat("sheen"));s.sheenColorMap&&s.sheenColorMap.isTexture===!0?n=e.mul(this.getTexture("sheenColor").rgb):n=e}else if(t===MaterialNode.SHEEN_ROUGHNESS){const e=this.getFloat(t);s.sheenRoughnessMap&&s.sheenRoughnessMap.isTexture===!0?n=e.mul(this.getTexture(t).a):n=e,n=n.clamp(1e-4,1)}else if(t===MaterialNode.ANISOTROPY)if(s.anisotropyMap&&s.anisotropyMap.isTexture===!0){const e=this.getTexture(t),s=mat2(materialAnisotropyVector.x,materialAnisotropyVector.y,materialAnisotropyVector.y.negate(),materialAnisotropyVector.x);n=s.mul(e.rg.mul(2).sub(vec2(1)).normalize().mul(e.b))}else n=materialAnisotropyVector;else if(t===MaterialNode.IRIDESCENCE_THICKNESS){const e=reference("1","float",s.iridescenceThicknessRange);

57if(s.iridescenceThicknessMap){const o=reference("0","float",s.iridescenceThicknessRange);n=e.sub(o).mul(this.getTexture(t).g).add(o)}else n=e}else if(t===MaterialNode.TRANSMISSION){const e=this.getFloat(t);s.transmissionMap?n=e.mul(this.getTexture(t).r):n=e}else if(t===MaterialNode.THICKNESS){const e=this.getFloat(t);s.thicknessMap?n=e.mul(this.getTexture(t).g):n=e}else if(t===MaterialNode.IOR)n=this.getFloat(t);else if(t===MaterialNode.LIGHT_MAP)n=this.getTexture(t).rgb.mul(this.getFloat("lightMapIntensity"));else if(t===MaterialNode.AO)n=this.getTexture(t).r.sub(1).mul(this.getFloat("aoMapIntensity")).add(1);else if(t===MaterialNode.LINE_DASH_OFFSET)n=s.dashOffset?this.getFloat(t):float(0);else{const s=this.getNodeType(e);n=this.getCache(t,s)}return n}}MaterialNode.ALPHA_TEST="alphaTest",MaterialNode.COLOR="color",MaterialNode.OPACITY="opacity",MaterialNode.SHININESS="shininess",MaterialNode.SPECULAR="specular",MaterialNode.SPECULAR_STRENGTH="specularStrength",MaterialNode.SPECULAR_INTENSITY="specularIntensity",MaterialNode.SPECULAR_COLOR="specularColor",MaterialNode.REFLECTIVITY="reflectivity",MaterialNode.ROUGHNESS="roughness",MaterialNode.METALNESS="metalness",MaterialNode.NORMAL="normal",MaterialNode.CLEARCOAT="clearcoat",MaterialNode.CLEARCOAT_ROUGHNESS="clearcoatRoughness",MaterialNode.CLEARCOAT_NORMAL="clearcoatNormal",MaterialNode.EMISSIVE="emissive",MaterialNode.ROTATION="rotation",MaterialNode.SHEEN="sheen",MaterialNode.SHEEN_ROUGHNESS="sheenRoughness",MaterialNode.ANISOTROPY="anisotropy",MaterialNode.IRIDESCENCE="iridescence",MaterialNode.IRIDESCENCE_IOR="iridescenceIOR",MaterialNode.IRIDESCENCE_THICKNESS="iridescenceThickness",MaterialNode.IOR="ior",MaterialNode.TRANSMISSION="transmission",MaterialNode.THICKNESS="thickness",MaterialNode.ATTENUATION_DISTANCE="attenuationDistance",MaterialNode.ATTENUATION_COLOR="attenuationColor",MaterialNode.LINE_SCALE="scale",MaterialNode.LINE_DASH_SIZE="dashSize",MaterialNode.LINE_GAP_SIZE="gapSize",MaterialNode.LINE_WIDTH="linewidth",MaterialNode.LINE_DASH_OFFSET="dashOffset",MaterialNode.POINT_SIZE="size",MaterialNode.DISPERSION="dispersion",MaterialNode.LIGHT_MAP="light",MaterialNode.AO="ao",materialAlphaTest=nodeImmutable(MaterialNode,MaterialNode.ALPHA_TEST),materialColor=nodeImmutable(MaterialNode,MaterialNode.COLOR),materialShininess=nodeImmutable(MaterialNode,MaterialNode.SHININESS),materialEmissive=nodeImmutable(MaterialNode,MaterialNode.EMISSIVE),materialOpacity=nodeImmutable(MaterialNode,MaterialNode.OPACITY),materialSpecular=nodeImmutable(MaterialNode,MaterialNode.SPECULAR),materialSpecularIntensity=nodeImmutable(MaterialNode,MaterialNode.SPECULAR_INTENSITY),materialSpecularColor=nodeImmutable(MaterialNode,MaterialNode.SPECULAR_COLOR),materialSpecularStrength=nodeImmutable(MaterialNode,MaterialNode.SPECULAR_STRENGTH),materialReflectivity=nodeImmutable(MaterialNode,MaterialNode.REFLECTIVITY),materialRoughness=nodeImmutable(MaterialNode,MaterialNode.ROUGHNESS),materialMetalness=nodeImmutable(MaterialNode,MaterialNode.METALNESS),materialNormal=nodeImmutable(MaterialNode,MaterialNode.NORMAL),materialClearcoat=nodeImmutable(MaterialNode,MaterialNode.CLEARCOAT),materialClearcoatRoughness=nodeImmutable(MaterialNode,MaterialNode.CLEARCOAT_ROUGHNESS),materialClearcoatNormal=nodeImmutable(MaterialNode,MaterialNode.CLEARCOAT_NORMAL),materialRotation=nodeImmutable(MaterialNode,MaterialNode.ROTATION),materialSheen=nodeImmutable(MaterialNode,MaterialNode.SHEEN),materialSheenRoughness=nodeImmutable(MaterialNode,MaterialNode.SHEEN_ROUGHNESS),materialAnisotropy=nodeImmutable(MaterialNode,MaterialNode.ANISOTROPY),materialIridescence=nodeImmutable(MaterialNode,MaterialNode.IRIDESCENCE),materialIridescenceIOR=nodeImmutable(MaterialNode,MaterialNode.IRIDESCENCE_IOR),materialIridescenceThickness=nodeImmutable(MaterialNode,MaterialNode.IRIDESCENCE_THICKNESS),materialTransmission=nodeImmutable(MaterialNode,MaterialNode.TRANSMISSION),materialThickness=nodeImmutable(MaterialNode,MaterialNode.THICKNESS),materialIOR=nodeImmutable(MaterialNode,MaterialNode.IOR),materialAttenuationDistance=nodeImmutable(MaterialNode,MaterialNode.ATTENUATION_DISTANCE),materialAttenuationColor=nodeImmutable(MaterialNode,MaterialNode.ATTENUATION_COLOR),materialLineScale=nodeImmutable(MaterialNode,MaterialNode.LINE_SCALE),materialLineDashSize=nodeImmutable(MaterialNode,MaterialNode.LINE_DASH_SIZE),materialLineGapSize=nodeImmutable(MaterialNode,MaterialNode.LINE_GAP_SIZE),materialLineWidth=nodeImmutable(MaterialNode,MaterialNode.LINE_WIDTH),materialLineDashOffset=nodeImmutable(MaterialNode,MaterialNode.LINE_DASH_OFFSET),materialPointSize=nodeImmutable(MaterialNode,MaterialNode.POINT_SIZE),materialDispersion=nodeImmutable(MaterialNode,MaterialNode.DISPERSION),materialLightMap=nodeImmutable(MaterialNode,MaterialNode.LIGHT_MAP),materialAO=nodeImmutable(MaterialNode,MaterialNode.AO),materialAnisotropyVector=uniform(new Vector2).onReference(function(e){return e.material}

57).onRenderUpdate(function({material:e}){this.value.set(e.anisotropy*Math.cos(e.anisotropyRotation),e.anisotropy*Math.sin(e.anisotropyRotation))}),modelViewProjection=Fn(e=>e.context.setupModelViewProjection(),"vec4").once()().toVarying("v_modelViewProjection");class StorageArrayElementNode extends ArrayElementNode{static get type(){return"StorageArrayElementNode"}constructor(e,t){super(e,t),this.isStorageArrayElementNode=!0}set storageBufferNode(e){this.node=e}get storageBufferNode(){return this.node}getMemberType(e,t){const n=this.storageBufferNode.structTypeNode;return n?n.getMemberType(e,t):"void"}setup(e){return e.isAvailable("storageBuffer")===!1&&this.node.isPBO===!0&&e.setupPBO(this.node),super.setup(e)}generate(e,t){let n;const s=e.context.assign;if(e.isAvailable("storageBuffer")===!1?this.node.isPBO===!0&&s!==!0&&(this.node.value.isInstancedBufferAttribute||e.shaderStage!=="compute")?n=e.generatePBO(this):n=this.node.build(e):n=super.generate(e),s!==!0){const s=this.getNodeType(e);n=e.format(n,s,t)}return n}}storageElement=nodeProxy(StorageArrayElementNode).setParameterLength(2);class StorageBufferNode extends BufferNode{static get type(){return"StorageBufferNode"}constructor(e,t=null,n=0){let s,o=null;t&&t.isStruct?(s="struct",o=t.layout,(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(n=e.count)):t===null&&(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)?(s=getTypeFromLength(e.itemSize),n=e.count):s=t,super(e,s,n),this.isStorageBufferNode=!0,this.structTypeNode=o,this.access=NodeAccess.READ_WRITE,this.isAtomic=!1,this.isPBO=!1,this._attribute=null,this._varying=null,this.global=!0,e.isStorageBufferAttribute!==!0&&e.isStorageInstancedBufferAttribute!==!0&&(e.isInstancedBufferAttribute?e.isStorageInstancedBufferAttribute=!0:e.isStorageBufferAttribute=!0)}getHash(e){if(this.bufferCount===0){let t=e.globalCache.getData(this.value);return t===0[0]&&(t={node:this},e.globalCache.setData(this.value,t)),t.node.uuid}return this.uuid}getInputType(){return this.value.isIndirectStorageBufferAttribute?"indirectStorageBuffer":"storageBuffer"}element(e){return storageElement(this,e)}setPBO(e){return this.isPBO=e,this}getPBO(){return this.isPBO}setAccess(e){return this.access=e,this}toReadOnly(){return this.setAccess(NodeAccess.READ_ONLY)}setAtomic(e){return this.isAtomic=e,this}toAtomic(){return this.setAtomic(!0)}getAttributeData(){return this._attribute===null&&(this._attribute=bufferAttribute(this.value),this._varying=varying(this._attribute)),{attribute:this._attribute,varying:this._varying}}getNodeType(e){if(this.structTypeNode!==null)return this.structTypeNode.getNodeType(e);if(e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.getNodeType(e);const{attribute:t}=this.getAttributeData();return t.getNodeType(e)}getMemberType(e,t){return this.structTypeNode!==null?this.structTypeNode.getMemberType(e,t):"void"}generate(e){if(this.structTypeNode!==null&&this.structTypeNode.build(e),e.isAvailable("storageBuffer")||e.isAvailable("indirectStorageBuffer"))return super.generate(e);const{attribute:n,varying:s}=this.getAttributeData(),t=s.build(e);return e.registerTransform(t,n),t}}storage=(e,t=null,n=0)=>new StorageBufferNode(e,t,n);class IndexNode extends Node{static get type(){return"IndexNode"}constructor(e){super("uint"),this.scope=e,this.isIndexNode=!0}generate(e){const o=this.getNodeType(e),t=this.scope;let n;if(t===IndexNode.VERTEX)n=e.getVertexIndex();else if(t===IndexNode.INSTANCE)n=e.getInstanceIndex();else if(t===IndexNode.DRAW)n=e.getDrawIndex();else if(t===IndexNode.INVOCATION_LOCAL)n=e.getInvocationLocalIndex();else if(t===IndexNode.INVOCATION_SUBGROUP)n=e.getInvocationSubgroupIndex();else if(t===IndexNode.SUBGROUP)n=e.getSubgroupIndex();else throw new Error("THREE.IndexNode: Unknown scope: "+t);let s;if(e.shaderStage==="vertex"||e.shaderStage==="compute")s=n;else{const t=varying(this);s=t.build(e,o)}return s}}IndexNode.VERTEX="vertex",IndexNode.INSTANCE="instance",IndexNode.SUBGROUP="subgroup",IndexNode.INVOCATION_LOCAL="invocationLocal",IndexNode.INVOCATION_

57SUBGROUP="invocationSubgroup",IndexNode.DRAW="draw",vertexIndex=nodeImmutable(IndexNode,IndexNode.VERTEX),instanceIndex=nodeImmutable(IndexNode,IndexNode.INSTANCE),subgroupIndex=nodeImmutable(IndexNode,IndexNode.SUBGROUP),invocationSubgroupIndex=nodeImmutable(IndexNode,IndexNode.INVOCATION_SUBGROUP),invocationLocalIndex=nodeImmutable(IndexNode,IndexNode.INVOCATION_LOCAL),drawIndex=nodeImmutable(IndexNode,IndexNode.DRAW);class InstanceNode extends Node{static get type(){return"InstanceNode"}constructor(e,t,n=null){super("void"),this.count=e,this.instanceMatrix=t,this.instanceColor=n,this.instanceMatrixNode=null,this.instanceColorNode=null,this.updateType=NodeUpdateType.FRAME,this.buffer=null,this.bufferColor=null}get isStorageMatrix(){const{instanceMatrix:e}=this;return e&&e.isStorageInstancedBufferAttribute===!0}get isStorageColor(){const{instanceColor:e}=this;return e&&e.isStorageInstancedBufferAttribute===!0}setup(e){const{instanceMatrix:n,instanceColor:s,isStorageMatrix:a,isStorageColor:r}=this,{count:i}=n;let{instanceMatrixNode:t,instanceColorNode:o}=this;if(t===null){if(a)t=storage(n,"mat4",Math.max(i,1)).element(instanceIndex);else if(i<=1e3)t=buffer(n.array,"mat4",Math.max(i,1)).element(instanceIndex);else{const e=new InstancedInterleavedBuffer(n.array,16,1);this.buffer=e;const s=n.usage===DynamicDrawUsage?instancedDynamicBufferAttribute:instancedBufferAttribute,o=[s(e,"vec4",16,0),s(e,"vec4",16,4),s(e,"vec4",16,8),s(e,"vec4",16,12)];t=mat4(...o)}this.instanceMatrixNode=t}if(s&&o===null){if(r)o=storage(s,"vec3",Math.max(s.count,1)).element(instanceIndex);else{const e=new InstancedBufferAttribute(s.array,3),t=s.usage===DynamicDrawUsage?instancedDynamicBufferAttribute:instancedBufferAttribute;this.bufferColor=e,o=vec3(t(e,"vec3",3,0))}this.instanceColorNode=o}const c=t.mul(positionLocal).xyz;if(positionLocal.assign(c),e.hasGeometryAttribute("normal")){const e=transformNormal(normalLocal,t);normalLocal.assign(e)}this.instanceColorNode!==null&&varyingProperty("vec3","vInstanceColor").assign(this.instanceColorNode)}update(){this.buffer!==null&&this.isStorageMatrix!==!0&&(this.buffer.clearUpdateRanges(),this.buffer.updateRanges.push(...this.instanceMatrix.updateRanges),this.instanceMatrix.usage!==DynamicDrawUsage&&this.instanceMatrix.version!==this.buffer.version&&(this.buffer.version=this.instanceMatrix.version)),this.instanceColor&&this.bufferColor!==null&&this.isStorageColor!==!0&&(this.bufferColor.clearUpdateRanges(),this.bufferColor.updateRanges.push(...this.instanceColor.updateRanges),this.instanceColor.usage!==DynamicDrawUsage&&this.instanceColor.version!==this.bufferColor.version&&(this.bufferColor.version=this.instanceColor.version))}}class InstancedMeshNode extends InstanceNode{static get type(){return"InstancedMeshNode"}constructor(e){const{count:t,instanceMatrix:n,instanceColor:s}=e;super(t,n,s),this.instancedMesh=e}}instancedMesh=nodeProxy(InstancedMeshNode).setParameterLength(1);class BatchNode extends Node{static get type(){return"BatchNode"}constructor(e){super("void"),this.batchMesh=e,this.batchingIdNode=null}setup(e){this.batchingIdNode===null&&(e.getDrawIndex()===null?this.batchingIdNode=instanceIndex:this.batchingIdNode=drawIndex);const d=Fn(([e])=>{const t=int(textureSize(textureLoad(this.batchMesh._indirectTexture),0).x).toConst(),n=int(e).mod(t).toConst(),s=int(e).div(t).toConst();return textureLoad(this.batchMesh._indirectTexture,ivec2(n,s)).x}).setLayout({name:"getIndirectIndex",type:"uint",inputs:[{name:"id",type:"int"}]}),a=d(int(this.batchingIdNode)),n=this.batchMesh._matricesTexture,r=int(textureSize(textureLoad(n),0).x).toConst(),c=float(a).mul(4).toInt().toConst(),s=c.mod(r).toConst(),o=c.div(r).toConst(),l=mat4(textureLoad(n,ivec2(s,o)),textureLoad(n,ivec2(s.add(1),o)),textureLoad(n,ivec2(s.add(2),o)),textureLoad(n,ivec2(s.add(3),o))),i=this.batchMesh._colorsTexture;if(i!==null){const e=Fn(([e])=>{const t=int(textureSize(textureLoad(i),0).x).toConst(),n=e,s=n.mod(t).toConst(),o=n.div(t).toConst();return textureLoad(i,ivec2(s,o)).rgb}).setLayout({name:"getBatchingColor",type:"vec3",inputs:[{name:"id",type:"int"}]}),t=e(a);varyingProperty("vec3","vBatchColor").assign(t)}const t=mat3(l);positionLocal.assign(l.mul(positionLocal));const u=normalLocal.div(vec3(t[0].dot(t[0]),t[1].dot(t[1]),t[2].dot(t[2]))),h=t.mul(u).xyz;normalLocal.assign(h),e.hasGeometryAttribute("tangent")&&tangentLocal.mulAssign(t)}}batch=nodeProxy(BatchNode).setParameterLength(1),_frameId=new WeakMap;class SkinningNode extends Node{static get type(){return"SkinningNode"}constructor(e){super("void"),this.skinnedMesh=e,this.updateType=NodeUpdateType.OBJECT,this.skinIndexNode=attribute("skinIndex","uvec4"),this.skinWeightNode=attribute("skinWeight","vec4"),this.bindMatrixNode=reference("bindMatrix","mat4"),this.bindMatrixInverseNo

57de=reference("bindMatrixInverse","mat4"),this.boneMatricesNode=referenceBuffer("skeleton.boneMatrices","mat4",e.skeleton.bones.length),this.positionNode=positionLocal,this.toPositionNode=positionLocal,this.previousBoneMatricesNode=null}getSkinnedPosition(e=this.boneMatricesNode,t=this.positionNode){const{skinIndexNode:n,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:a}=this,r=e.element(n.x),c=e.element(n.y),l=e.element(n.z),d=e.element(n.w),o=i.mul(t),u=add(r.mul(s.x).mul(o),c.mul(s.y).mul(o),l.mul(s.z).mul(o),d.mul(s.w).mul(o));return a.mul(u).xyz}getSkinnedNormal(e=this.boneMatricesNode,t=normalLocal){const{skinIndexNode:n,skinWeightNode:s,bindMatrixNode:i,bindMatrixInverseNode:a}=this,r=e.element(n.x),c=e.element(n.y),l=e.element(n.z),d=e.element(n.w);let o=add(s.x.mul(r),s.y.mul(c),s.z.mul(l),s.w.mul(d));return o=a.mul(o).mul(i),o.transformDirection(t).xyz}getPreviousSkinnedPosition(e){const t=e.object;return this.previousBoneMatricesNode===null&&(t.skeleton.previousBoneMatrices=new Float32Array(t.skeleton.boneMatrices),this.previousBoneMatricesNode=referenceBuffer("skeleton.previousBoneMatrices","mat4",t.skeleton.bones.length)),this.getSkinnedPosition(this.previousBoneMatricesNode,positionPrevious)}needsPreviousBoneMatrices(e){const t=e.renderer.getMRT();return t&&t.has("velocity")||getDataFromObject(e.object).useVelocity===!0}setup(e){this.needsPreviousBoneMatrices(e)&&positionPrevious.assign(this.getPreviousSkinnedPosition(e));const t=this.getSkinnedPosition();if(this.toPositionNode&&this.toPositionNode.assign(t),e.hasGeometryAttribute("normal")){const t=this.getSkinnedNormal();normalLocal.assign(t),e.hasGeometryAttribute("tangent")&&tangentLocal.assign(t)}return t}generate(e,t){if(t!=="void")return super.generate(e,t)}update(e){const t=e.object&&e.object.skeleton?e.object.skeleton:this.skinnedMesh.skeleton;if(_frameId.get(t)===e.frameId)return;_frameId.set(t,e.frameId),this.previousBoneMatricesNode!==null&&(t.previousBoneMatrices===null&&(t.previousBoneMatrices=new Float32Array(t.boneMatrices)),t.previousBoneMatrices.set(t.boneMatrices)),t.update()}}skinning=e=>new SkinningNode(e);class LoopNode extends Node{static get type(){return"LoopNode"}constructor(e=[]){super("void"),this.params=e}getVarName(e){return String.fromCharCode(105+e)}getProperties(e){const t=e.getNodeProperties(this);if(t.stackNode!==0[0])return t;const n={};for(let e=0,o=this.params.length-1;e<o;e++){const t=this.params[e],s=t.isNode!==!0&&t.name||this.getVarName(e),i=t.isNode!==!0&&t.type||"int";n[s]=expression(s,i)}const i=e.addStack(),s=this.params[this.params.length-1](n);t.returnsNode=s.context({nodeLoop:s}),t.stackNode=i;const o=this.params[0];if(o.isNode!==!0&&typeof o.update=="function"){const e=Fn(this.params[0].update)(n);t.updateNode=e.context({nodeLoop:e})}return e.removeStack(),t}setup(e){if(this.getProperties(e),e.fnCall){const t=e.getDataFromNode(e.fnCall.shaderNode);t.hasLoop=!0}}generate(e){const t=this.getProperties(e),n=this.params,s=t.stackNode;for(let d=0,m=n.length-1;d<m;d++){const r=n[d];let h=!1,s=null,o=null,l=null,i=null,c=null,a=null;r.isNode?r.getNodeType(e)==="bool"?(h=!0,i="bool",o=r.build(e,i)):(i="int",l=this.getVarName(d),s="0",o=r.build(e,i),c="<"):(i=r.type||"int",l=r.name||this.getVarName(d),s=r.start,o=r.end,c=r.condition,a=r.update,typeof s=="number"?s=e.generateConst(i,s):s&&s.isNode&&(s=s.build(e,i)),typeof o=="number"?o=e.generateConst(i,o):o&&o.isNode&&(o=o.build(e,i)),s!==0[0]&&o===0[0]?(s=s+" - 1",o="0",c=">="):o!==0[0]&&s===0[0]&&(s="0",c="<"),c===0[0]&&(Number(s)>Number(o)?c=">=":c="<"));let u;if(h)u=`while ( ${o} )`;else{const d={start:s,end:o},h=d.start,m=d.end;let n;const r=()=>c.includes("<")?"+=":"-=";if(a!=null)switch(typeof a){case"function":const s=e.flowStagesNode(t.updateNode,"void"),o=s.code.replace(/\t|;/g,"");n=o;break;case"number":n=l+" "+r()+" "+e.generateConst(i,a);break;case"string":n=l+" "+a;break;default:a.isNode?n=l+" "+r()+" "+a.build(e):(error("TSL: 'Loop( { update: ... } )' is not a function, string or number."),n="break /* invalid update */")}else i==="int"||i==="uint"?a=c.includes("<")?"++":"--":a=r()+" 1.",n=l+" "+a;const f=e.getVar(i,l)+" = "+h,p=l+" "+c+" "+m;u=`for ( ${f}; ${p}; ${n} )`}e.addFlowCode((d===0?`
58`:"")+e.tab+u+` {
59
60`).addFlowTab()}const o=s.build(e,"void");t.returnsNode.build(e,"void"),e.removeFlowTab().addFlowCode(`
61`+e.tab+o);for(let t=0,n=this.params.length-1;t<n;t++)e.addFlowCode((t===0?"":e.tab)+`}
62
63`).removeFlowTab();e.addFlowTab()}}Loop=(...e)=>new LoopNode(nodeArray(e,"int")).toStack(),Break=()=>expression("break").toStack(),_morphTextures=new WeakMap,_morphVec4=new Vector4,getMorph=Fn(({bufferMap:e,influence:t,stride:n,width:s,depth:o,offset:i})=>{const a=int(vertexIndex).mul(n).add(i),r=a.div(s),c=a.sub(r.mul(s)),l=textureLoad(e,ivec2(c,r)).depth(o).xyz;return l.mul(t)});function getEntry(e){const s=e.morphAttributes.position!==0[0],o=e.morphAttributes.normal!==0[0],i=e.morphAttributes.color!==0[0],a=e.morphAttributes.position||e.morphAttributes.normal||e.morphAttributes.color,n=a!==0[0]?a.length:0;let t=_morphTextures.get(e);if(t===0[0]||t.count!==n){let h=function(){d.dispose(),_morphTextures.delete(e),e.removeEventListener("dispose",h)};t!==0[0]&&t.texture.dispose();const m=e.morphAttributes.position||[],f=e.morphAttributes.normal||[],p=e.morphAttributes.color||[];let c=0;s===!0&&(c=1),o===!0&&(c=2),i===!0&&(c=3);let r=e.attributes.position.count*c,l=1;const u=4096;r>u&&(l=Math.ceil(r/u),r=u);const a=new Float32Array(r*l*4*n),d=new DataArrayTexture(a,r,l,n);d.type=FloatType,d.needsUpdate=!0;const g=c*4;for(let t=0;t<n;t++){const c=m[t],u=f[t],d=p[t],e=r*l*4*t;for(let n=0;n<c.count;n++){const t=n*g;s===!0&&(_morphVec4.fromBufferAttribute(c,n),a[e+t+0]=_morphVec4.x,a[e+t+1]=_morphVec4.y,a[e+t+2]=_morphVec4.z,a[e+t+3]=0),o===!0&&(_morphVec4.fromBufferAttribute(u,n),a[e

63+t+4]=_morphVec4.x,a[e+t+5]=_morphVec4.y,a[e+t+6]=_morphVec4.z,a[e+t+7]=0),i===!0&&(_morphVec4.fromBufferAttribute(d,n),a[e+t+8]=_morphVec4.x,a[e+t+9]=_morphVec4.y,a[e+t+10]=_morphVec4.z,a[e+t+11]=d.itemSize===4?_morphVec4.w:1)}}t={count:n,texture:d,stride:c,size:new Vector2(r,l)},_morphTextures.set(e,t),e.addEventListener("dispose",h)}return t}class MorphNode extends Node{static get type(){return"MorphNode"}constructor(e){super("void"),this.mesh=e,this.morphBaseInfluence=uniform(1),this.updateType=NodeUpdateType.OBJECT}setup(e){const{geometry:t}=e,n=t.morphAttributes.position!==0[0],s=t.hasAttribute("normal")&&t.morphAttributes.normal!==0[0],o=t.morphAttributes.position||t.morphAttributes.normal||t.morphAttributes.color,c=o!==0[0]?o.length:0,{texture:i,stride:a,size:l}=getEntry(t);n===!0&&positionLocal.mulAssign(this.morphBaseInfluence),s===!0&&normalLocal.mulAssign(this.morphBaseInfluence);const r=int(l.width);Loop(c,({i:e})=>{const t=float(0).toVar();this.mesh.count>1&&this.mesh.morphTexture!==null&&this.mesh.morphTexture!==0[0]?t.assign(textureLoad(this.mesh.morphTexture,ivec2(int(e).add(1),int(instanceIndex))).r):t.assign(reference("morphTargetInfluences","float").element(e).toVar()),If(t.notEqual(0),()=>{n===!0&&positionLocal.addAssign(getMorph({bufferMap:i,influence:t,stride:a,width:r,depth:e,offset:int(0)})),s===!0&&normalLocal.addAssign(getMorph({bufferMap:i,influence:t,stride:a,width:r,depth:e,offset:int(1)}))})})}update(){const e=this.morphBaseInfluence;this.mesh.geometry.morphTargetsRelative?e.value=1:e.value=1-this.mesh.morphTargetInfluences.reduce((e,t)=>e+t,0)}}morphReference=nodeProxy(MorphNode).setParameterLength(1);class LightingNode extends Node{static get type(){return"LightingNode"}constructor(){super("vec3"),this.isLightingNode=!0}}class AONode extends LightingNode{static get type(){return"AONode"}constructor(e=null){super(),this.aoNode=e}setup(e){e.context.ambientOcclusion.mulAssign(this.aoNode)}}class LightingContextNode extends ContextNode{static get type(){return"LightingContextNode"}constructor(e,t=null,n=null,s=null){super(e),this.lightingModel=t,this.backdropNode=n,this.backdropAlphaNode=s,this._value=null}getContext(){const{backdropNode:e,backdropAlphaNode:t}=this,n=vec3().toVar("directDiffuse"),s=vec3().toVar("directSpecular"),o=vec3().toVar("indirectDiffuse"),i=vec3().toVar("indirectSpecular"),a={directDiffuse:n,directSpecular:s,indirectDiffuse:o,indirectSpecular:i},r={radiance:vec3().toVar("radiance"),irradiance:vec3().toVar("irradiance"),iblIrradiance:vec3().toVar("iblIrradiance"),ambientOcclusion:float(1).toVar("ambientOcclusion"),reflectedLight:a,backdrop:e,backdropAlpha:t};return r}setup(e){return this.value=this._value||(this._value=this.getContext()),this.value.lightingModel=this.lightingModel||e.context.lightingModel,super.setup(e)}}lightingContext=nodeProxy(LightingContextNode);class IrradianceNode extends LightingNode{static get type(){return"IrradianceNode"}constructor(e){super(),this.node=e}setup(e){e.context.irradiance.addAssign(this.node)}}_size$5=new Vector2;class ViewportTextureNode extends TextureNode{static get type(){return"ViewportTextureNode"}constructor(e=screenUV,t=null,n=null){let s=null;n===null?(s=new FramebufferTexture,s.minFilter=LinearMipmapLinearFilter,n=s):s=n,super(n,e,t),this.generateMipmaps=!1,this.defaultFramebuffer=s,this.isOutputTextureNode=!0,this.updateBeforeType=NodeUpdateType.FRAME,this._cacheTextures=new WeakMap}getTextureForReference(e=null){let n,t;if(this.referenceNode?(n=this.referenceNode.defaultFramebuffer,t=this.referenceNode._cacheTextures):(n=this.defaultFramebuffer,t=this._cacheTextures),e===null)return n;if(t.has(e)===!1){const s=n.clone();t.set(e,s)}return t.get(e)}updateReference(e){const t=e.renderer.getRenderTarget();return this.value=this.getTextureForReference(t),this.value}updateBefore(e){const s=e.renderer,n=s.getRenderTarget();n===null?s.getDrawingBufferSize(_size$5):_size$5.set(n.width,n.height);const t=this.getTextureForReference(n);(t.image.width!==_size$5.width||t.image.height!==_size$5.height)&&(t.image.width=_size$5.width,t.image.height=_size$5.height,t.needsUpdate=!0);const o=t.generateMipmaps;t.generateMipmaps=this.generateMipmaps,s.copyFramebufferToTexture(t),t.generateMipmaps=o}clone(){const e=new this.constructor(this.uvNode,this.levelNode,this.value);return e.generateMipmaps=this.generateMipmaps,e}}viewportMipTexture=nodeProxy(ViewportTextureNode,null,null,{generateMipmaps:!0}).setParameterLength(0,3),_sharedDepthbuffer=null;class ViewportDepthTextureNode extends ViewportTextureNode{static get type(){return"ViewportDepthTextureNode"}constructor(e=screenUV,t=null){_sharedDepthbuffer===null&&(_sharedDepthbuffer=new DepthTexture),super(e,t,_sharedDepthbuffer)}getTextureForReference(){return _sharedDepthbuffer}}viewportDepthTexture=nodeProxy(ViewportDepthTextureNode).setParameterLength(0,2);class ViewportDepthNode extends Node{static get type(){return"ViewportDepthNode"}constructor(e,t=null){super("float"),this.scope=e,this.valueNode=t,this.isViewportDepthNode=!0}generate(e){const{scope:t}=this;return t===ViewportDepthNode.DEPTH_BASE?e.getFragDepth():super.generate(e)}setup({camera:e}){const{scope:s}=this,n=this.valueNode;let t=null;if(s===ViewportDepthNode.DEPTH_BASE)n!==null&&(t=depthBase().assign(n));else if(s===ViewportDepthNode.DEPTH)e.isPerspectiveCamera?t=viewZToPerspectiveDepth(positionView.z,cameraNear,cameraFar):t=viewZToOrthographicDepth(positionView.z,cameraNear,cameraFar);else if(s===ViewportDepthNode.LINEAR_DEPTH)if(n!==null)if(e.isPerspectiveCamera){const e=perspectiveDepthToViewZ(n,cameraNear,cameraFar);t=viewZToOrthographicDepth(e,cameraNear,cameraFar)}else t=n;else t=viewZToOrthographicDepth(positionView.z,cameraNear,cameraFar);return t}}ViewportDepthNode.DEPTH_BASE="depthBase",ViewportDepthNode.DEPTH="depth",ViewportDepthNode.LINEAR_DEPTH="linearDepth",viewZToOrthographicDepth=(e,t,n)=>e.add(t).div(t.sub(n)),viewZToPerspectiveDepth=(e,t,n)=>t.add(e).mul(n).div(n.sub(t).mul(e)),perspectiveDepthToViewZ=(e,t,n)=>t.mul(n).div(n.sub(t).mul(e).sub(n)),viewZToLogarithmicDepth=(e,t,n)=>{t=t.max(1e-6).toVar();const s=log22(e.negate().div(t)),o=log22(n.div(t));return s.div(o)},depthBase=nodeProxy(ViewportDepthNode,ViewportDepthNode.DEPTH_BASE),depth=nodeImmutable(ViewportDepthNode,ViewportDepthNode.DEPTH),linearDepth=nodeProxy(ViewportDepthNode,ViewportDepthNode.LINEAR_DEPTH).setParameterLength(0,1),viewportLinearDepth=linearDepth(viewportDepthTexture()),depth.assign=e=>depthBase(e);class ClippingNode extends Node{static get type(){return"ClippingNode"}constructor(e=ClippingNode.DEFAULT){super(),this.scope=e}setup(e){super.setup(e);const s=e.clippingContext,{intersectionPlanes:n,unionPlanes:t}=s;return this.hardwareClipping=e.material.hardwareClipping,this.scope===ClippingNode.ALPHA_TO_COVERAGE?this.setupAlphaToCoverage(n,t):this.scope===ClippingNode.HARDWARE?this.setupHardwareClipping(t,e):this.setupDefault(n,t)}setupAlphaToCoverage(e,t){return Fn(()=>{const n=float().toVar("distanceToPlane"),s=float().toVar("distanceToGradient"),o=float(1).toVar("clipOpacity"),i=t.length;if(this.hardwareClipping===!1&&i>0){const e=uniformArray(t).setGroup(renderGroup);Loop(i,({i:t})=>{const i=e.element(t);n.assign(positionView.dot(i.xyz).negate().add(i.w)),s.assign(n.fwidth().div(2)),o.mulAssign(smoothstep2(s.negate(),s,n)

63)})}const a=e.length;if(a>0){const i=uniformArray(e).setGroup(renderGroup),t=float(1).toVar("intersectionClipOpacity");Loop(a,({i:e})=>{const o=i.element(e);n.assign(positionView.dot(o.xyz).negate().add(o.w)),s.assign(n.fwidth().div(2)),t.mulAssign(smoothstep2(s.negate(),s,n).oneMinus())}),o.mulAssign(t.oneMinus())}diffuseColor.a.mulAssign(o),diffuseColor.a.equal(0).discard()})()}setupDefault(e,t){return Fn(()=>{const n=t.length;if(this.hardwareClipping===!1&&n>0){const e=uniformArray(t).setGroup(renderGroup);Loop(n,({i:t})=>{const n=e.element(t);positionView.dot(n.xyz).greaterThan(n.w).discard()})}const s=e.length;if(s>0){const n=uniformArray(e).setGroup(renderGroup),t=bool(!0).toVar("clipped");Loop(s,({i:e})=>{const s=n.element(e);t.assign(positionView.dot(s.xyz).greaterThan(s.w).and(t))}),t.discard()}})()}setupHardwareClipping(e,t){const n=e.length;return t.enableHardwareClipping(n),Fn(()=>{const s=uniformArray(e).setGroup(renderGroup),o=builtin(t.getClipDistance());Loop(n,({i:e})=>{const t=s.element(e),n=positionView.dot(t.xyz).sub(t.w).negate();o.element(e).assign(n)})})()}}ClippingNode.ALPHA_TO_COVERAGE="alphaToCoverage",ClippingNode.DEFAULT="default",ClippingNode.HARDWARE="hardware",clipping=()=>new ClippingNode,clippingAlpha=()=>new ClippingNode(ClippingNode.ALPHA_TO_COVERAGE),hardwareClipping=()=>new ClippingNode(ClippingNode.HARDWARE),ALPHA_HASH_SCALE=.05,hash2D=Fn(([e])=>fract(mul(1e4,sin(mul(17,e.x).add(mul(.1,e.y)))).mul(add(.1,abs(sin(mul(13,e.y).add(e.x))))))),hash3D=Fn(([e])=>hash2D(vec2(hash2D(e.xy),e.z))),getAlphaHashThreshold=Fn(([e])=>{const c=max$1(length(dFdx(e.xyz)),length(dFdy(e.xyz))),o=float(1).div(float(ALPHA_HASH_SCALE).mul(c)).toVar("pixScale"),a=vec2(exp2(floor(log22(o))),exp2(ceil(log22(o)))),r=vec2(hash3D(floor(a.x.mul(e.xyz))),hash3D(floor(a.y.mul(e.xyz)))),s=fract(log22(o)),n=add(mul(s.oneMinus(),r.x),mul(s,r.y)),t=min$1(s,s.oneMinus()),i=vec3(n.mul(n).div(mul(2,t).mul(sub(1,t))),n.sub(mul(.5,t)).div(sub(1,t)),sub(1,sub(1,n).mul(sub(1,n)).div(mul(2,t).mul(sub(1,t))))),l=n.lessThan(t.oneMinus()).select(n.lessThan(t).select(i.x,i.y),i.z);return clamp2(l,1e-6,1)}).setLayout({name:"getAlphaHashThreshold",type:"float",inputs:[{name:"position",type:"vec3"}]});class VertexColorNode extends AttributeNode{static get type(){return"VertexColorNode"}constructor(e){super(null,"vec4"),this.isVertexColorNode=!0,this.index=e}getAttributeName(){const e=this.index;return"color"+(e>0?e:"")}generate(e){const n=this.getAttributeName(e),s=e.hasGeometryAttribute(n);let t;return s===!0?t=super.generate(e):t=e.generateConst(this.nodeType,new Vector4(1,1,1,1)),t}serialize(e){super.serialize(e),e.index=this.index}deserialize(e){super.deserialize(e),this.index=e.index}}vertexColor=(e=0)=>new VertexColorNode(e),premultiplyAlpha=Fn(([e])=>vec4(e.rgb.mul(e.a),e.a),{color:"vec4",return:"vec4"});class NodeMaterial extends Material{static get type(){return"NodeMaterial"}get type(){return this.constructor.type}set type(e){}constructor(){super(),this.isNodeMaterial=!0,this.fog=!0,this.lights=!1,this.hardwareClipping=!1,this.lightsNode=null,this.envNode=null,this.aoNode=null,this.colorNode=null,this.normalNode=null,this.opacityNode=null,this.backdropNode=null,this.backdropAlphaNode=null,this.alphaTestNode=null,this.maskNode=null,this.positionNode=null,this.geometryNode=null,this.depthNode=null,this.receivedShadowPositionNode=null,this.castShadowPositionNode=null,this.receivedShadowNode=null,this.castShadowNode=null,this.outputNode=null,this.mrtNode=null,this.fragmentNode=null,this.vertexNode=null,this.contextNode=null,Object.defineProperty(this,"shadowPositionNode",{get:()=>this.receivedShadowPositionNode,set:e=>{warn('NodeMaterial: ".shadowPositionNode" was renamed to ".receivedShadowPositionNode".'),this.receivedShadowPositionNode=e}})}_getNodeChildren(){const e=[];for(const t of Object.getOwnPropertyNames(this)){if(t.startsWith("_")===!0)continue;const n=this[t];n&&n.isNode===!0&&e.push({property:t,childNode:n})}return e}customProgramCacheKey(){const e=[];for(const{property:t,childNode:n}of this._getNodeChildren())e.push(hashString(t.slice(0,-4)),n.getCacheKey());return this.type+hashArray(e)}build(e){this.setup(e)}setupObserver(e){return new NodeMaterialObserver(e)}setup(e){e.context.setupNormal=()=>subBuild(this.setupNormal(e),"NORMAL","vec3"),e.context.setupPositionView=()=>this.setupPositionView(e),e.context.setupModelViewProjection=()=>this.setupModelViewProjection(e);const n=e.renderer,s=n.getRenderTarget();n.contextNode.isContextNode===!0?e.context={...e.context,...n.contextNode.getFlowContextData()}:error('NodeMaterial: "renderer.contextNode" must be an instance of `context()`.'),this.contextNode!==null&&(this.contextNode.isContextNode===!0?e.context={...e.context,...this.contextNode.getFlowContextData()}:error('NodeMaterial: "material.contextNode" must be an instance of `context()`.')),e.addStack();

63const i=subBuild(this.setupVertex(e),"VERTEX"),a=this.vertexNode||i;e.stack.outputNode=a,this.setupHardwareClipping(e),this.geometryNode!==null&&(e.stack.outputNode=e.stack.outputNode.bypass(this.geometryNode)),e.addFlow("vertex",e.removeStack()),e.addStack();let t;const o=this.setupClipping(e);if((this.depthWrite===!0||this.depthTest===!0)&&(s!==null?s.depthBuffer===!0&&this.setupDepth(e):n.depth===!0&&this.setupDepth(e)),this.fragmentNode===null){{this.setupDiffuseColor(e),this.setupVariants(e);const a=this.setupLighting(e);o!==null&&e.stack.addToStack(o);const r=vec4(a,diffuseColor.a).max(0);t=this.setupOutput(e,r),output.assign(t);const i=this.outputNode!==null;if(i&&(t=this.outputNode),e.context.getOutput&&(t=e.context.getOutput(t,e)),s!==null){const s=n.getMRT(),e=this.mrtNode;s!==null?(i&&output.assign(t),t=s,e!==null&&(t=s.merge(e))):e!==null&&(t=e)}}}else{let n=this.fragmentNode;n.isOutputStructNode!==!0&&(n=vec4(n)),t=this.setupOutput(e,n)}e.stack.outputNode=t,e.addFlow("fragment",e.removeStack()),e.observer=this.setupObserver(e)}setupClipping(e){if(e.clippingContext===null)return null;const{unionPlanes:n,intersectionPlanes:s}=e.clippingContext;let t=null;if(n.length>0||s.length>0){const n=e.renderer.currentSamples;this.alphaToCoverage&&n>1?t=clippingAlpha():e.stack.addToStack(clipping())}return t}setupHardwareClipping(e){if(this.hardwareClipping=!1,e.clippingContext===null)return;const t=e.clippingContext.unionPlanes.length;t>0&&t<=8&&e.isAvailable("clipDistance")&&(e.stack.addToStack(hardwareClipping()),this.hardwareClipping=!0)}setupDepth(e){const{renderer:n,camera:s}=e;let t=this.depthNode;if(t===null){const e=n.getMRT();e&&e.has("depth")?t=e.get("depth"):n.logarithmicDepthBuffer===!0&&(s.isPerspectiveCamera?t=viewZToLogarithmicDepth(positionView.z,cameraNear,cameraFar):t=viewZToOrthographicDepth(positionView.z,cameraNear,cameraFar))}t!==null&&depth.assign(t).toStack()}setupPositionView(){return modelViewMatrix.mul(positionLocal).xyz}setupModelViewProjection(){return cameraProjectionMatrix.mul(positionView)}setupVertex(e){return e.addStack(),this.setupPosition(e),e.context.vertex=e.removeStack(),modelViewProjection}setupPosition(e){const{object:t,geometry:n}=e;if((n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color)&&morphReference(t).toStack(),t.isSkinnedMesh===!0&&skinning(t).toStack(),this.displacementMap){const e=materialReference("displacementMap","texture"),t=materialReference("displacementScale","float"),n=materialReference("displacementBias","float");positionLocal.addAssign(normalLocal.normalize().mul(e.x.mul(t).add(n)))}return t.isBatchedMesh&&batch(t).toStack(),t.isInstancedMesh&&t.instanceMatrix&&t.instanceMatrix.isInstancedBufferAttribute===!0&&instancedMesh(t).toStack(),this.positionNode!==null&&positionLocal.assign(subBuild(this.positionNode,"POSITION","vec3")),positionLocal}setupDiffuseColor(e){const{object:s,geometry:o}=e;this.maskNode!==null&&bool(this.maskNode).not().discard();let t=this.colorNode?vec4(this.colorNode):materialColor;if(this.vertexColors===!0&&o.hasAttribute("color")&&(t=t.mul(vertexColor())),s.instanceColor){const e=varyingProperty("vec3","vInstanceColor");t=e.mul(t)}if(s.isBatchedMesh&&s._colorsTexture){const e=varyingProperty("vec3","vBatchColor");t=e.mul(t)}diffuseColor.assign(t);const i=this.opacityNode?float(this.opacityNode):materialOpacity;diffuseColor.a.assign(diffuseColor.a.mul(i));let n=null;(this.alphaTestNode!==null||this.alphaTest>0)&&(n=this.alphaTestNode!==null?float(this.alphaTestNode):materialAlphaTest,this.alphaToCoverage===!0?(diffuseColor.a=smoothstep2(n,n.add(fwidth(diffuseColor.a)),diffuseColor.a),diffuseColor.a.lessThanEqual(0).discard()):diffuseColor.a.lessThanEqual(n).discard()),this.alphaHash===!0&&diffuseColor.a.lessThan(getAlphaHashThreshold(positionLocal)).discard(),e.isOpaque()&&diffuseColor.a.assign(1)}setupVariants(){}setupOutgoingLight(){return this.lights===!0?vec3(0):diffuseColor.rgb}setupNormal(){return this.normalNode?vec3(this.normalNode):materialNormal}setupEnvironment(){let e=null;return this.envNode?e=this.envNode:this.envMap&&(e=this.envMap.isCubeTexture?materialReference("envMap","cubeTexture"):materialReference("envMap","texture")),e}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new IrradianceNode(materialLightMap)),t}setupLights(e){const n=[],s=this.setupEnvironment(e);s&&s.isLightingNode&&n.push(s);const o=this.setupLightMap(e);o&&o.isLightingNode&&n.push(o);let t=this.aoNode;t===null&&e.material.aoMap&&(t=materialAO),e.context.getAO&&(t=e.context.getAO(t,e)),t&&n.push(new AONode(t));let i=this.lightsNode||e.lightsNode;return n.length>0&&(i=e.renderer.lighting.createNode([...i.getLights(),...n])),i}setupLightingModel(){}setupLighting(e){const{material:a}=e,{backdropNode:n,backdropAlphaNode:o,emissiveNode:s}=this,r=this.lights===!0||this.lightsNode!==null,i=r?this.setupLights(e):null;let t=this.setupOutgoingLight(e);if(i&&i.getScope().hasLights){const s=this.setupLightingModel(e)||null;t=lightingContext(i,s,n,o)}else n!==null&&(t=vec3(o!==null?mix(t,n,o):n));return(s&&s.isNode===!0||a.emissive&&a.emissive.isColor===!0)&&(emissive.assign(vec3(s||materialEmissive)),t=t.add(emissive)),t}setupFog(e,t){const n=e.fogNode;return n&&(output.assign(t),t=vec4(n.toVar())),t}setupPremultipliedAlpha(e,t){return premultiplyAlpha(t)}setupOutput(e,t){return this.fog===!0&&(t=this.setupFog(e,t)),this.premultipliedAlpha===!0&&(t=this.setupPremultipliedAlpha(e,t)),t}setDefaultValues(e){for(const t in e){const n=e[t];this[t]===0[0]&&(this[t]=n,n&&n.clone&&(this[t]=n.clone()))}const t=Object.getOwnPropertyDescriptors(e.constructor.prototype);for(const e in t)Object.getOwnPropertyDescriptor(this.constructor.prototype,e)===0[0]&&t[e].get!==0[0]&&Object.defineProperty(this.constructor.prototype,e,t[e])}toJSON(e){const s=e===0[0]||typeof e=="string";s&&(e={textures:{},images:{},nodes:{}});const t=Material.prototype.toJSON.call(this,e);t.inputNodes={};for(const{property:n,childNode:s}of this._getNodeChildren())t.inputNodes[n]=s.toJSON(e).uuid;function n(e){const t=[];for(const s in e){const n=e[s];delete n.metadata,t.push(n)}return t}if(s){const s=n(e.textures),o=n(e.images),i=n(e.nodes);s.length>0&&(t.textures=s),o.length>0&&(t.images=o),i.length>0&&(t.nodes=i)}return t}copy(e){return this.lightsNode=e.lightsNode,this.envNode=e.envNode,this.aoNode=e.aoNode,this.colorNode=e.colorNode,this.normalNode=e.normalNode,this.opacityNode=e.opacityNode,this.backdropNode=e.backdropNode,this.backdropAlphaNode=e.backdropAlphaNode,this.alphaTestNode=e.alphaTestNode,this.maskNode=e.maskNode,this.positionNode=e.positionNode,this.geometryNode=e.geometryNode,this.depthNode=e.depthNode,this.receivedShadowPositionNode=e.receivedShadowPositionNode,this.castShadowPositionNode=e.castShadowPositionNode,this.receivedShadowNode=e.receivedShadowNode,this.castShadowNode=e.castShadowNode,this.outputNode=e.outputNode,this.mrtNode=e.mrtNode,this.fragmentNode=e.fragmentNode,this.vertexNode=e.vertexNode,this.contextNode=e.contextNode,super.copy(e)}}_defaultValues$d=new LineBasicMaterial;class LineBasicNodeMaterial extends NodeMaterial{static get type(){return"LineBasicNodeMaterial"}constructor(e){super(),this.isLineBasicNodeMaterial=!0,this.setDefaultValues(_defaultValues$d),this.setValues(e)}}_defaultValues$c=new LineDashedMaterial;class LineDashedNodeMaterial extends NodeMaterial{static get type(){return"LineDashedNodeMaterial"}constructor(e){super(),this.isLineDashedNodeMaterial=!0,this.setDefaultValues(_defaultValues$c),this.dashOffset=0,this.offsetNode=null,this.dashScaleNode=null,this.dashSizeNode=null,this.gapSizeNode=null,this.setValues(e)}setupVariants(){const e=this.offsetNode?float(this.offsetNode):materialLineDashOffset,n=this.dashScaleNode?float(this.dashScaleNode):materialLineScale,s=this.dashSizeNode?float(this.dashSizeNode):materialLineDashSize,o=this.gapSizeNode?float(this.gapSizeNode):materialLineGapSize;dashSize.assign(s),gapSize.assign(o);const t=varying(attribute("lineDistance").mul(n)),i=e?t.add(e):t;i.mod(dashSize.add(gapSize)).greaterThan(dashSize).discard()}}_defaultValues$a=new MeshNormalMaterial;class MeshNormalNodeMaterial extends NodeMaterial{static get type(){return"MeshNormalNodeMaterial"}constructor(e){super(),this.isMeshNormalNodeMaterial=!0,this.setDefaultValues(_defaultValues$a),this.setValues(e)}setupDiffuseColor(){const e=this.opacityNode?float(this.opacityNode):materialOpacity;diffuseColor.assign(colorSpaceToWorking(vec4(directionToColor(normalView),e),SRGBColorSpace))}}equirectUV=Fn(([e=positionWorldDirection])=>{const t=e.z.atan(e.x).mul(1/(Math.PI*2)).add(.5),n=e.y.clamp(-1,1).asin().mul(1/Math.PI).add(.5);return vec2(t,n)});

63class CubeRenderTarget extends WebGLCubeRenderTarget{constructor(e=1,t={}){super(e,t),this.isCubeRenderTarget=!0}fromEquirectangularTexture(e,t){const i=t.minFilter,a=t.generateMipmaps;t.generateMipmaps=!0,this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const r=new BoxGeometry(5,5,5),c=equirectUV(positionWorldDirection),n=new NodeMaterial;n.colorNode=texture(t,c,0),n.side=BackSide,n.blending=NoBlending;const s=new Mesh(r,n),o=new Scene;o.add(s),t.minFilter===LinearMipmapLinearFilter&&(t.minFilter=LinearFilter);const l=new CubeCamera(1,10,this),d=e.getMRT();return e.setMRT(null),l.update(e,o),e.setMRT(d),t.minFilter=i,t.currentGenerateMipmaps=a,s.geometry.dispose(),s.material.dispose(),this}}_cache$1=new WeakMap;class CubeMapNode extends TempNode{static get type(){return"CubeMapNode"}constructor(e){super("vec3"),this.envNode=e,this._cubeTexture=null,this._cubeTextureNode=cubeTexture(null);const t=new CubeTexture;t.isRenderTargetTexture=!0,this._defaultTexture=t,this.updateBeforeType=NodeUpdateType.RENDER}updateBefore(e){const{renderer:n,material:s}=e,t=this.envNode;if(t.isTextureNode||t.isMaterialReferenceNode){const e=t.isTextureNode?t.value:s[t.property];if(e&&e.isTexture){const t=e.mapping;if(t===EquirectangularReflectionMapping||t===EquirectangularRefractionMapping){if(_cache$1.has(e)){const t=_cache$1.get(e);mapTextureMapping(t,e.mapping),this._cubeTexture=t}else{const t=e.image;if(isEquirectangularMapReady$1(t)){const s=new CubeRenderTarget(t.height);s.fromEquirectangularTexture(n,e),mapTextureMapping(s.texture,e.mapping),this._cubeTexture=s.texture,_cache$1.set(e,s.texture),e.addEventListener("dispose",onTextureDispose)}else this._cubeTexture=this._defaultTexture}this._cubeTextureNode.value=this._cubeTexture}else this._cubeTextureNode=this.envNode}}}setup(e){return this.updateBefore(e),this._cubeTextureNode}}function isEquirectangularMapReady$1(e){return e!=null&&e.height>0}function onTextureDispose(e){const t=e.target;t.removeEventListener("dispose",onTextureDispose);const n=_cache$1.get(t);n!==0[0]&&(_cache$1.delete(t),n.dispose())}function mapTextureMapping(e,t){t===EquirectangularReflectionMapping?e.mapping=CubeReflectionMapping:t===EquirectangularRefractionMapping&&(e.mapping=CubeRefractionMapping)}cubeMapNode=nodeProxy(CubeMapNode).setParameterLength(1);class BasicEnvironmentNode extends LightingNode{static get type(){return"BasicEnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){e.context.environment=cubeMapNode(this.envNode)}}class BasicLightMapNode extends LightingNode{static get type(){return"BasicLightMapNode"}constructor(e=null){super(),this.lightMapNode=e}setup(e){const t=float(1/Math.PI);e.context.irradianceLightMap=this.lightMapNode.mul(t)}}class LightingModel{start(e){e.lightsNode.setupLights(e,e.lightsNode.getLightNodes(e)),this.indirect(e)}finish(){}direct(){}directRectArea(){}indirect(){}ambientOcclusion(){}}class BasicLightingModel extends LightingModel{constructor(){super()}indirect({context:e}){const s=e.ambientOcclusion,t=e.reflectedLight,n=e.irradianceLightMap;t.indirectDiffuse.assign(vec4(0)),n?t.indirectDiffuse.addAssign(n):t.indirectDiffuse.addAssign(vec4(1,1,1,0)),t.indirectDiffuse.mulAssign(s),t.indirectDiffuse.mulAssign(diffuseColor.rgb)}finish(e){const{material:s,context:o}=e,t=o.outgoingLight,n=e.context.environment;if(n)switch(s.combine){case MultiplyOperation:t.rgb.assign(mix(t.rgb,t.rgb.mul(n.rgb),materialSpecularStrength.mul(materialReflectivity)));break;case MixOperation:t.rgb.assign(mix(t.rgb,n.rgb,materialSpecularStrength.mul(materialReflectivity)));break;case AddOperation:t.rgb.addAssign(n.rgb.mul(materialSpecularStrength.mul(materialReflectivity)));break;default:warn("BasicLightingModel: Unsupported .combine value:",s.combine);break}}}_defaultValues$9=new MeshBasicMaterial;class MeshBasicNodeMaterial extends NodeMaterial{static get type(){return"MeshBasicNodeMaterial"}constructor(e){super(),this.isMeshBasicNodeMaterial=!0,this.lights=!0,this.setDefaultValues(_defaultValues$9),this.setValues(e)}setupNormal(){return directionToFaceDirection(normalViewGeometry)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new BasicEnvironmentNode(t):null}setupLightMap(e){let t=null;return e.material.lightMap&&(t=new BasicLightMapNode(materialLightMap)),t}setupOutgoingLight(){return diffuseColor.rgb}setupLightingModel(){return new BasicLightingModel}}F_Schlick=Fn(({f0:e,f90:t,dotVH:n})=>{const s=n.mul(-5.55473).sub(6.98316).mul(n).exp2();return e.mul(s.oneMinus()).add(t.mul(s))}),BRDF_Lambert=Fn(e=>e.diffuseColor.mul(1/Math.PI)),G_BlinnPhong_Implicit=()=>float(.25),D_BlinnPhong=Fn(({dotNH:e})=>shininess.mul(float(.5)).add(1).mul(float(1/Math.PI)).mul(e.pow(shinine

63ss))),BRDF_BlinnPhong=Fn(({lightDirection:e})=>{const t=e.add(positionViewDirection).normalize(),n=normalView.dot(t).clamp(),s=positionViewDirection.dot(t).clamp(),o=F_Schlick({f0:specularColor,f90:1,dotVH:s}),i=G_BlinnPhong_Implicit(),a=D_BlinnPhong({dotNH:n});return o.mul(i).mul(a)});class PhongLightingModel extends BasicLightingModel{constructor(e=!0){super(),this.specular=e}direct({lightDirection:e,lightColor:t,reflectedLight:n}){const o=normalView.dot(e).clamp(),s=o.mul(t);n.directDiffuse.addAssign(s.mul(BRDF_Lambert({diffuseColor:diffuseColor.rgb}))),this.specular===!0&&n.directSpecular.addAssign(s.mul(BRDF_BlinnPhong({lightDirection:e})).mul(materialSpecularStrength))}indirect(e){const{ambientOcclusion:n,irradiance:s,reflectedLight:t}=e.context;t.indirectDiffuse.addAssign(s.mul(BRDF_Lambert({diffuseColor}))),t.indirectDiffuse.mulAssign(n)}}_defaultValues$8=new MeshLambertMaterial;class MeshLambertNodeMaterial extends NodeMaterial{static get type(){return"MeshLambertNodeMaterial"}constructor(e){super(),this.isMeshLambertNodeMaterial=!0,this.lights=!0,this.setDefaultValues(_defaultValues$8),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new BasicEnvironmentNode(t):null}setupLightingModel(){return new PhongLightingModel(!1)}}_defaultValues$7=new MeshPhongMaterial;class MeshPhongNodeMaterial extends NodeMaterial{static get type(){return"MeshPhongNodeMaterial"}constructor(e){super(),this.isMeshPhongNodeMaterial=!0,this.lights=!0,this.shininessNode=null,this.specularNode=null,this.setDefaultValues(_defaultValues$7),this.setValues(e)}setupEnvironment(e){const t=super.setupEnvironment(e);return t?new BasicEnvironmentNode(t):null}setupLightingModel(){return new PhongLightingModel}setupVariants(){const e=(this.shininessNode?float(this.shininessNode):materialShininess).max(1e-4);shininess.assign(e);const t=this.specularNode||materialSpecular;specularColor.assign(t)}copy(e){return this.shininessNode=e.shininessNode,this.specularNode=e.specularNode,super.copy(e)}}getGeometryRoughness=Fn(e=>{if(e.geometry.hasAttribute("normal")===!1)return float(0);const t=normalViewGeometry.dFdx().abs().max(normalViewGeometry.dFdy().abs()),n=t.x.max(t.y).max(t.z);return n}),getRoughness=Fn(e=>{const{roughness:n}=e,s=getGeometryRoughness();let t=n.max(.0525);return t=t.add(s),t=t.min(1),t}),V_GGX_SmithCorrelated=Fn(({alpha:e,dotNL:t,dotNV:n})=>{const s=e.pow2(),o=t.mul(s.add(s.oneMinus().mul(n.pow2())).sqrt()),i=n.mul(s.add(s.oneMinus().mul(t.pow2())).sqrt());return div(.5,o.add(i).max(EPSILON))}).setLayout({name:"V_GGX_SmithCorrelated",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNL",type:"float"},{name:"dotNV",type:"float"}]}),V_GGX_SmithCorrelated_Anisotropic=Fn(({alphaT:e,alphaB:t,dotTV:n,dotBV:s,dotTL:o,dotBL:i,dotNV:a,dotNL:r})=>{const c=r.mul(vec3(e.mul(n),t.mul(s),a).length()),l=a.mul(vec3(e.mul(o),t.mul(i),r).length()),d=div(.5,c.add(l));return d}).setLayout({name:"V_GGX_SmithCorrelated_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotTV",type:"float",qualifier:"in"},{name:"dotBV",type:"float",qualifier:"in"},{name:"dotTL",type:"float",qualifier:"in"},{name:"dotBL",type:"float",qualifier:"in"},{name:"dotNV",type:"float",qualifier:"in"},{name:"dotNL",type:"float",qualifier:"in"}]}),D_GGX=Fn(({alpha:e,dotNH:t})=>{const n=e.pow2(),s=t.pow2().mul(n.oneMinus()).oneMinus();return n.div(s.pow2()).mul(1/Math.PI)}

63).setLayout({name:"D_GGX",type:"float",inputs:[{name:"alpha",type:"float"},{name:"dotNH",type:"float"}]}),RECIPROCAL_PI=float(1/Math.PI),D_GGX_Anisotropic=Fn(({alphaT:e,alphaB:t,dotNH:n,dotTH:s,dotBH:o})=>{const i=e.mul(t),a=vec3(t.mul(s),e.mul(o),i.mul(n)),r=a.dot(a),c=i.div(r);return RECIPROCAL_PI.mul(i.mul(c.pow2()))}).setLayout({name:"D_GGX_Anisotropic",type:"float",inputs:[{name:"alphaT",type:"float",qualifier:"in"},{name:"alphaB",type:"float",qualifier:"in"},{name:"dotNH",type:"float",qualifier:"in"},{name:"dotTH",type:"float",qualifier:"in"},{name:"dotBH",type:"float",qualifier:"in"}]}),BRDF_GGX=Fn(({lightDirection:e,f0:t,f90:n,roughness:s,f:o,normalView:i=normalView,USE_IRIDESCENCE:a,USE_ANISOTROPY:r})=>{const c=s.pow2(),l=e.add(positionViewDirection).normalize(),m=i.dot(e).clamp(),f=i.dot(positionViewDirection).clamp(),p=i.dot(l).clamp(),g=positionViewDirection.dot(l).clamp();let d=F_Schlick({f0:t,f90:n,dotVH:g}),u,h;if(defined(a)&&(d=iridescence.mix(d,o)),defined(r)){const t=anisotropyT.dot(e),n=anisotropyT.dot(positionViewDirection),s=anisotropyT.dot(l),o=anisotropyB.dot(e),i=anisotropyB.dot(positionViewDirection),a=anisotropyB.dot(l);u=V_GGX_SmithCorrelated_Anisotropic({alphaT,alphaB:c,dotTV:n,dotBV:i,dotTL:t,dotBL:o,dotNV:f,dotNL:m}),h=D_GGX_Anisotropic({alphaT,alphaB:c,dotNH:p,dotTH:s,dotBH:a})}else u=V_GGX_SmithCorrelated({alpha:c,dotNL:m,dotNV:f}),h=D_GGX({alpha:c,dotNH:p});return d.mul(u).mul(h)}),DATA=new Uint16Array([12469,15057,12620,14925,13266,14620,13807,14376,14323,13990,14545,13625,14713,13328,14840,12882,14931,12528,14996,12233,15039,11829,15066,11525,15080,11295,15085,10976,15082,10705,15073,10495,13880,14564,13898,14542,13977,14430,14158,14124,14393,13732,14556,13410,14702,12996,14814,12596,14891,12291,14937,11834,14957,11489,14958,11194,14943,10803,14921,10506,14893,10278,14858,9960,14484,14039,14487,14025,14499,13941,14524,13740,14574,13468,14654,13106,14743,12678,14818,12344,14867,11893,14889,11509,14893,11180,14881,10751,14852,10428,14812,10128,14765,9754,14712,9466,14764,13480,14764,13475,14766,13440,14766,13347,14769,13070,14786,12713,14816,12387,14844,11957,14860,11549,14868,11215,14855,10751,14825,10403,14782,10044,14729,9651,14666,9352,14599,9029,14967,12835,14966,12831,14963,12804,14954,12723,14936,12564,14917,12347,14900,11958,14886,11569,14878,11247,14859,10765,14828,10401,14784,10011,14727,9600,14660,9289,14586,8893,14508,8533,15111,12234,15110,12234,15104,12216,15092,12156,15067,12010,15028,11776,14981,11500,

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63).setLayout({name:"D_Charlie",type:"float",inputs:[{name:"roughness",type:"float"},{name:"dotNH",type:"float"}]}),V_Neubelt=Fn(({dotNV:e,dotNL:t})=>float(1).div(float(4).mul(t.add(e).sub(t.mul(e))))).setLayout({name:"V_Neubelt",type:"float",inputs:[{name:"dotNV",type:"float"},{name:"dotNL",type:"float"}]}),BRDF_Sheen=Fn(({lightDirection:e})=>{const t=e.add(positionViewDirection).normalize(),n=normalView.dot(e).clamp(),s=normalView.dot(positionViewDirection).clamp(),o=normalView.dot(t).clamp(),i=D_Charlie({roughness:sheenRoughness,dotNH:o}),a=V_Neubelt({dotNV:s,dotNL:n});return sheen.mul(i).mul(a)}),LTC_Uv=Fn(({N:e,V:t,roughness:n})=>{const s=64,i=(s-1)/s,a=.5/s,r=e.dot(t).saturate(),o=vec2(n,r.oneMinus().sqrt());return o.assign(o.mul(i).add(a)),o}).setLayout({name:"LTC_Uv",type:"vec2",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"roughness",type:"float"}]}),LTC_ClippedSphereFormFactor=Fn(({f:e})=>{const t=e.length();return max$1(t.mul(t).add(e.z).div(t.add(1)),0)}).setLayout({name:"LTC_ClippedSphereFormFactor",type:"float",inputs:[{name:"f",type:"vec3"}]}),LTC_EdgeVectorFormFactor=Fn(({v1:e,v2:t})=>{const n=e.dot(t),s=n.abs().toVar(),i=s.mul(.0145206).add(.4965155).mul(s).add(.8543985).toVar(),a=s.add(4.1616724).mul(s).add(3.417594).toVar(),o=i.div(a),r=n.greaterThan(0).select(o,max$1(n.mul(n).oneMinus(),1e-7).inverseSqrt().mul(.5).sub(o));return e.cross(t).mul(r)}).setLayout({name:"LTC_EdgeVectorFormFactor",type:"vec3",inputs:[{name:"v1",type:"vec3"},{name:"v2",type:"vec3"}]}),LTC_Evaluate=Fn(({N:e,V:t,P:n,mInv:s,p0:o,p1:i,p2:a,p3:r})=>{const l=i.sub(o).toVar(),d=r.sub(o).toVar(),u=l.cross(d),c=vec3().toVar();return If(u.dot(n.sub(o)).greaterThanEqual(0),()=>{const u=t.sub(e.mul(t.dot(e))).normalize(),g=e.cross(u).negate(),d=s.mul(mat3(u,g,e).transpose()).toVar(),h=d.mul(o.sub(n)).normalize().toVar(),m=d.mul(i.sub(n)).normalize().toVar(),f=d.mul(a.sub(n)).normalize().toVar(),p=d.mul(r.sub(n)).normalize().toVar(),l=vec3(0).toVar();l.addAssign(LTC_EdgeVectorFormFactor({v1:h,v2:m})),l.addAssign(LTC_EdgeVectorFormFactor({v1:m,v2:f})),l.addAssign(LTC_EdgeVectorFormFactor({v1:f,v2:p})),l.addAssign(LTC_EdgeVectorFormFactor({v1:p,v2:h})),c.assign(vec3(LTC_ClippedSphereFormFactor({f:l})))}),c}).setLayout({name:"LTC_Evaluate",type:"vec3",inputs:[{name:"N",type:"vec3"},{name:"V",type:"vec3"},{name:"P",type:"vec3"},{name:"mInv",type:"mat3"},{name:"p0",type:"vec3"},{name:"p1",type:"vec3"},{name:"p2",type:"vec3"},{name:"p3",type:"vec3"}]}),bC=1/6,w0=e=>mul(bC,mul(e,mul(e,e.negate().add(3)).sub(3)).add(1)),w1=e=>mul(bC,mul(e,mul(e,mul(3,e).sub(6))).add(4)),w2=e=>mul(bC,mul(e,mul(e,mul(-3,e).add(3)).add(3)).add(1)),w3=e=>mul(bC,pow(e,3)),g0=e=>w0(e).add(w1(e)),g1=e=>w2(e).add(w3(e)),h0=e=>add(-1,w1(e).div(w0(e).add(w1(e)))),h1=e=>add(1,w3(e).div(w2(e).add(w3(e)))),bicubic=(e,t,n)=>{const h=e.uvNode,u=mul(h,t.zw).add(.5),s=floor(u),o=fract(u),r=g0(o.x),c=g1(o.x),l=h0(o.x),d=h1(o.x),i=h0(o.y),a=h1(o.y),m=vec2(s.x.add(l),s.y.add(i)).sub(.5).mul(t.xy),f=vec2(s.x.add(d),s.y.add(i)).sub(.5).mul(t.xy),p=vec2(s.x.add(l),s.y.add(a)).sub(.5).mul(t.xy),g=vec2(s.x.add(d),s.y.add(a)).sub(.5).mul(t.xy),v=g0(o.y).mul(add(r.mul(e.sample(m).level(n)),c.mul(e.sample(f).level(n)))),b=g1(o.y).mul(add(r.mul(e.sample(p).level(n)),c.mul(e.sample(g).level(n))));return v.add(b)},textureBicubicLevel=Fn(([e,t])=>{const n=vec2(e.size(int(t))),s=vec2(e.size(int(t.add(1)))),o=div(1,n),i=div(1,s),a=bicubic(e,vec4(o,n),floor(t)),r=bicubic(e,vec4(i,s),ceil(t));return fract(t).mix(a,r)}),getVolumeTransmissionRay=Fn(([e,t,n,s,o])=>{const i=vec3(refract(t.negate(),normalize2(e),div(1,s))),a=vec3(length(o[0].xyz),length(o[1].xyz),length(o[2].xyz));return normalize2(i).mul(n.mul(a))}).setLayout({name:"getVolumeTransmissionRay",type:"vec3",inputs:[{name:"n",type:"vec3"},{name:"v",type:"vec3"},{name:"thickness",type:"float"},{name:"ior",type:"float"},{name:"modelMatrix",type:"mat4"}]}),applyIorToRoughness=Fn(([e,t])=>e.mul(clamp2(t.mul(2).sub(2),0,1))).setLayout({name:"applyIorToRoughness",type:"float",inputs:[{name:"roughness",type:"float"},{name:"ior",type:"float"}]}),viewportBackSideTexture=viewportMipTexture(),viewportFrontSideTexture=viewportMipTexture(),getTransmissionSample=Fn(([e,t,n],{material:s})=>{const o=s.side===BackSide?viewportBackSideTexture:viewportFrontSideTexture,i=o.sample(e),a=log22(screenSize.x).mul(applyIorToRoughness(t,n));return textureBicubicLevel(i,a)}),volumeAttenuation=Fn(([e,t,n])=>(If(n.notEqual(0),()=>{const s=log2(t).negate().div(n),o=exp(s.negate().mul(e));return o}

63),vec3(1))).setLayout({name:"volumeAttenuation",type:"vec3",inputs:[{name:"transmissionDistance",type:"float"},{name:"attenuationColor",type:"vec3"},{name:"attenuationDistance",type:"float"}]}),getIBLVolumeRefraction=Fn(([e,t,n,s,o,i,a,r,c,l,d,u,h,m,f])=>{let p,g;if(f){p=vec4().toVar(),g=vec3().toVar();const o=d.sub(1).mul(f.mul(.025)),i=vec3(d.sub(o),d,d.add(o));Loop({start:0,end:3},({i:o})=>{const f=i.element(o),v=getVolumeTransmissionRay(e,t,u,f,r),y=a.add(v),b=l.mul(c.mul(vec4(y,1))),d=vec2(b.xy.div(b.w)).toVar();d.addAssign(1),d.divAssign(2),d.assign(vec2(d.x,d.y.oneMinus()));const j=getTransmissionSample(d,n,f);p.element(o).assign(j.element(o)),p.a.addAssign(j.a),g.element(o).assign(s.element(o).mul(volumeAttenuation(length(v),h,m).element(o)))}),p.a.divAssign(3)}else{const i=getVolumeTransmissionRay(e,t,u,d,r),v=a.add(i),f=l.mul(c.mul(vec4(v,1))),o=vec2(f.xy.div(f.w)).toVar();o.addAssign(1),o.divAssign(2),o.assign(vec2(o.x,o.y.oneMinus())),p=getTransmissionSample(o,n,d),g=s.mul(volumeAttenuation(length(i),h,m))}const v=g.rgb.mul(p.rgb),b=e.dot(t).clamp(),j=vec3(EnvironmentBRDF({dotNV:b,specularColor:o,specularF90:i,roughness:n})),y=g.r.add(g.g,g.b).div(3);return vec4(j.oneMinus().mul(v),p.a.oneMinus().mul(y).oneMinus())}),XYZ_TO_REC709=mat3(3.2404542,-.969266,.0556434,-1.5371385,1.8760108,-.2040259,-.4985314,.041556,1.0572252),Fresnel0ToIor=e=>{const t=e.sqrt();return vec3(1).add(t).div(vec3(1).sub(t))},IorToFresnel0=(e,t)=>e.sub(t).div(e.add(t)).pow2(),evalSensitivity=(e,t)=>{const s=e.mul(2*Math.PI*1e-9),i=vec3(54856e-17,44201e-17,52481e-17),a=vec3(1681e3,1795300,2208400),o=vec3(43278e5,93046e5,66121e5),r=float(9747e-17*(2*Math.PI*45282e5)**.5).mul(s.mul(2239900).add(t.x).cos()).mul(s.pow2().mul(-45282e5).exp());let n=i.mul(o.mul(2*Math.PI).sqrt()).mul(a.mul(s).add(t).cos()).mul(s.pow2().negate().mul(o).exp());n=vec3(n.x.add(r),n.y,n.z).div(.10685e-6);const c=XYZ_TO_REC709.mul(n);return c},evalIridescence=Fn(({outsideIOR:e,eta2:t,cosTheta1:n,thinFilmThickness:s,baseF0:o})=>{const i=mix(e,t,smoothstep2(0,.03,s)),y=e.div(i).pow2().mul(n.pow2().oneMinus()),f=y.oneMinus();If(f.lessThan(0),()=>vec3(1));const d=f.sqrt(),v=IorToFresnel0(i,e),r=F_Schlick({f0:v,f90:1,dotVH:n}),u=r.oneMinus(),C=i.lessThan(e).select(Math.PI,0),x=float(Math.PI).sub(C),a=Fresnel0ToIor(o.clamp(0,.9999)),w=IorToFresnel0(a,i.toVec3()),l=F_Schlick({f0:w,f90:1,dotVH:d}),g=vec3(a.x.lessThan(i).select(Math.PI,0),a.y.lessThan(i).select(Math.PI,0),a.z.lessThan(i).select(Math.PI,0)),b=i.mul(s,d,2),j=vec3(x).add(g),c=r.mul(l).clamp(1e-5,.9999),_=c.sqrt(),p=u.pow2().mul(l).div(vec3(1).sub(c)),O=r.add(p),m=O.toVar(),h=p.sub(u).toVar();return Loop({start:1,end:2,condition:"<=",name:"m"},({m:e})=>{h.mulAssign(_);const t=evalSensitivity(float(e).mul(b),float(e).mul(j)).mul(2);m.addAssign(h.mul(t))}),m.max(vec3(0))}).setLayout({name:"evalIridescence",type:"vec3",inputs:[{name:"outsideIOR",type:"float"},{name:"eta2",type:"float"},{name:"cosTheta1",type:"float"},{name:"thinFilmThickness",type:"float"},{name:"baseF0",type:"vec3"}]}),IBLSheenBRDF=Fn(({normal:e,viewDir:t,roughness:n})=>{const i=e.dot(t).saturate(),s=n.mul(n),o=n.add(.1).reciprocal(),a=float(-1.9362).add(n.mul(1.0678)).add(s.mul(.4573)).sub(o.mul(.8469)),r=float(-.6014).add(n.mul(.5538)).sub(s.mul(.467)).sub(o.mul(.1255)),c=a.mul(i).add(r).exp();return c.saturate()}),clearcoatF0=vec3(.04),clearcoatF90=float(1);class PhysicalLightingModel extends LightingModel{constructor(e=!1,t=!1,n=!1,s=!1,o=!1,i=!1){super(),this.clearcoat=e,this.sheen=t,this.iridescence=n,this.anisotropy=s,this.transmission=o,this.dispersion=i,this.clearcoatRadiance=null,this.clearcoatSpecularDirect=null,this.clearcoatSpecularIndirect=null,this.sheenSpecularDirect=null,this.sheenSpecularIndirect=null,this.iridescenceFresnel=null,this.iridescenceF0=null,this.iridescenceF0Dielectric=null,this.iridescenceF0Metallic=null}start(e){if(this.clearcoat===!0&&(this.clearcoatRadiance=vec3().toVar("clearcoatRadiance"),this.clearcoatSpecularDirect=vec3().toVar("clearcoatSpecularDirect"),this.clearcoatSpecularIndirect=vec3().toVar("clearcoatSpecularIndirect")),this.sheen===!0&&(this.sheenSpecularDirect=vec3().toVar("sheenSpecularDirect"),this.sheenSpecularIndirect=vec3().toVar("sheenSpecularIndirect")),this.iridescence===!0){const e=normalView.dot(positionViewDirection).clamp(),t=evalIridescence({outsideIOR:float(1),eta2:iridescenceIOR,cosTheta1:e,thinFilmThickness:iridescenceThickness,baseF0:specularColor}),n=evalIridescence({outsideIOR:float(1),eta2:iridescenceIOR,cosTheta1:e,thinFilmThickness:iridescenceThickness,baseF0:diffuseColor.rgb});this.iridescenceFresnel=mix(t,n,metalness),this.iridescenceF0Dielectric=Schlick_to_F0({f:t,f90:1,dotVH:e}),this.iridescenceF0Metallic=Schlick_to_F0({f:n,f90:1,dotVH:e}),this.iridescenceF0=mix(this.iridescenceF0Dielectric,this.iridescenceF0Metallic,metalness)}if(this.transmission===!0){const n=positionWorld,s=cameraPosition.sub(positionWorld).normalize(),o=normalWorld,t=e.context;t.backdrop=getIBLVolumeRefraction(o,s,roughness,diffuseContribution,specularColorBlended,specularF90,n,modelWorldMatrix,cameraViewMatrix,cameraProjectionMatrix,ior,thickness,attenuationColor,attenuationDistance,this.dispersion?dispersion:null),t.backdropAlpha=transmission,diffuseColor.a.mulAssign(mix(1,t.backdrop.a,transmission))}super.start(e)}computeMultiscattering(e,t,n,s,o=null){const d=normalView.dot(positionViewDirection).clamp(),i=DFGLUT({roughness,dotNV:d}),a=o?iridescence.mix(s,o):s,r=a.mul(i.x).add(n.mul(i.y)),u=i.x.add(i.y),c=u.oneMinus(),l=a.add(a.oneMinus().mul(.047619)),h=r.mul(l).div(c.mul(l).oneMinus());e.addAssign(r),t.addAssign(h.mul(c))}direct({lightDirection:e,lightColor:t,reflectedLight:n}){const o=normalView.dot(e).clamp(),s=o.mul(t).toVar();if(this.sheen===!0){this.sheenSpecularDirect.addAssign(s.mul(BRDF_Sheen({lightDirection:e})));const t=IBLSheenBRDF({normal:normalView,viewDir:positionViewDirection,roughness:sheenRoughness}),n=IBLSheenBRDF({normal:normalView,viewDir:e,roughness:sheenRoughness}),o=sheen.r.max(sheen.g).max(sheen.b).mul(t.max(n)).oneMinus();s.mulAssign(o)}if(this.clearcoat===!0){const n=clearcoatNormalView.dot(e).clamp(),s=n.mul(t);this.clearcoatSpecularDirect.addAssign(s.mul(BRDF_GGX({lightDirection:e,f0:clearcoatF0,f90:clearcoatF90,roughness:clearcoatRoughness,normalView:clearcoatNormalView})))}n.directDiffuse.addAssign(s.mul(BRDF_Lambert({diffuseColor:diffuseContribution}))),n.directSpecular.addAssign(s.mul(BRDF_GGX_Multiscatter({lightDirection:e,f0:specularColorBlended,f90:1,roughness,f:this.iridescenceFresnel,USE_IRIDESCENCE:this.iridescence,USE_ANISOTROPY:this.anisotropy})))}directRectArea({lightColor:e,lightPosition:t,halfWidth:n,halfHeight:s,reflectedLight:o,ltc_1:i,ltc_2:a}){const d=t.add(n).sub(s),u=t.sub(n).sub(s),h=t.sub(n).add(s),m=t.add(n).add(s),c=normalView,l=positionViewDirection,f=positionView.toVar(),p=LTC_Uv({N:c,V:l,roughness}),r=i.sample(p).toVar(),g=a.sample(p).toVar(),v=mat3(vec3(r.x,0,r.y),vec3(0,1,0),vec3(r.z,0,r.w)).toVar(),b=specularColorBlended.mul(g.x).add(specularColorBlended.oneMinus().mul(g.y)).toVar();o.directSpecular.addAssign(e.mul(b).mul(LTC_Evaluate({N:c,V:l,P:f,mInv:v,p0:d,p1:u,p2:h,p3:m}))),o.directDiffuse.addAssign(e.mul(diffuseContribution).mul(LTC_Evaluate({N:c,V:l,P:f,mInv:mat3(1,0,0,0,1,0,0,0,1),p0:d,p1:u,p2:h,p3:m})))}indirect(e){this.indirectDiffuse(e),this.indirectSpecular(e),this.ambientOcclusion(e)}indirectDiffuse(e){const{irradiance:n,reflectedLight:s}=e.context,t=n.mul(BRDF_Lambert({diffuseColor:diffuseContribution})).toVar();if(this.sheen===!0){const e=IBLSheenBRDF({normal:normalView,viewDir:positionViewDirection,roughness:sheenRoughness}),n=sheen.r.max(sheen.g).max(sheen.b).mul(e).oneMinus();t.mulAssign(n)}s.indirectDiffuse.addAssign(t)}indirectSpecular(e){const{radiance:d,iblIrradiance:i,reflectedLight:o}=e.context;if(this.sheen===!0&&this.sheenSpecularIndirect.addAssign(i.mul(sheen,IBLSheenBRDF({normal:normalView,viewDir:positionViewDirection,roughness:sheenRoughness}))),this.clearcoat===!0){const e=clearcoatNormalView.dot(positionViewDirection).clamp(),t=EnvironmentBRDF({dotNV:e,specularColor:clearcoatF0,specularF90:clearcoatF90,roughness:clearcoatRoughness});this.clearcoatSpecularIndirect.addAssign(this.clearcoatRadiance.mul(t))}const t=vec3().toVar("singleScatteringDielectric"),n=vec3().toVar("multiScatteringDielectric"),a=vec3().toVar("singleScatteringMetallic"),s=vec3().toVar("multiScatteringMetallic");this.computeMultiscattering(t,n,specularF90,specularColor,this.iridescenceF0Dielectric),this.computeMultiscattering(a,s,specularF90,diffuseColor.rgb,this.iridescenceF0Metallic);const u=mix(t,a,metalness),h=mix(n,s,metalness),m=t.add(n),f=diffuseContribution.mul(m.oneMinus()),r=i.mul(1/Math.PI),c=d.mul(u).add(h.mul(r)).toVar(),l=f.mul(r).toVar();if(this.sheen===!0){const t=IBLSheenBRDF({normal:normalView,viewDir:positionViewDirection,roughness:sheenRoughness}),e=sheen.r.max(sheen.g).max(sheen.b).mul(t).oneMinus();c.mulAssign(e),l.mulAssign(e)}o.indirectSpecular.addAssign(c),o.indirectDiffuse.addAssign(l)}ambientOcclusion(e){const{ambientOcclusion:t,reflectedLight:n}=e.context,s=normalView.dot(positionViewDirection).clamp(),o=s.add(t),i=roughness.mul(-16).oneMinus().negate().exp2(),a=t.sub(o.pow(i).oneMinus()).clamp();this.clearcoat===!0&&this.clearcoatSpecularIndirect.mulAssign(t),this.sheen===!0&&this.sheenSpecularIndirect.mulAssign(t),n.indirectDiffuse.mulAssign(t),n.indirectSpecular.mulAssign(a)}finish({context:e}){const{outgoingLight:t}=e;if(this.clearcoat===!0){const e=clearcoatNormalView.dot(positionViewDirection).clamp(),n=F_Schlick({dotVH:e,f0:clearcoatF0,f90:clearcoatF90}),s=t.mul(clearcoat.mul(n).oneMinus()).add(this.clearcoatSpecularDirect.add(this.clearcoatSpecularIndirect).mul(clearcoat));t.assign(s)}if(this.sheen===!0){const e=t.add(this.sheenSpecularDirect,this.sheenSpecularIndirect.mul(1/Math.PI));t.assign(e)}}}cubeUV_r0=float(1),cubeUV_m0=float(-2),cubeUV_r1=float(.8),cubeUV_m1=float(-1),cubeUV_r4=float(.4),cubeUV_m4=float(2),cubeUV_r5=float(.305),cubeUV_m5=float(3),cubeUV_r6=float(.21),cubeUV_m6=float(4),cubeUV_minMipLevel=float(4),cubeUV_minTileSize=float(16),getFace=Fn(([e])=>{const t=vec3(abs(e)).toVar(),n=float(-1).toVar();return If(t.x.greaterThan(t.z),()=>{If(t.x.greaterThan(t.y),()=>{n.assign(select(e.x.greaterThan(0),0,3))}).Else(()=>{n.assign(select(e.y.greaterThan(0),1,4))})}).Else(()=>{If(t.z.greaterThan(t.y),()=>{n.assign(select(e.z.greaterThan(0),2,5))}).Else(()=>{n.assign(select(e.y.greaterThan(0),1,4))})}),n}).setLayout({name:"getFace",type:"float",inputs:[{name:"direction",type:"vec3"}]}),getUV=Fn(([e,t])=>{const n=vec2().toVar();return If(t.equal(0),()=>{n.assign(vec2(e.z,e.y).div(abs(e.x)))}).ElseIf(t.equal(1),()=>{n.assign(vec2(e.x.negate(),e.z.negate()).div(abs(e.y)))}).ElseIf(t.equal(2),()=>{n.assign(vec2(e.x.negate(),e.y).div(abs(e.z)))}).ElseIf(t.equal(3),()=>{n.assign(vec2(e.z.negate(),e.y).div(abs(e.x)))}).ElseIf(t.equal(4),()=>{n.assign(vec2(e.x.negate(),e.z).div(abs(e.y)))}).Else(()=>{n.assign(vec2(e.x,e.y).div(abs(e.z)))}),mul(.5,n.add(1))}).setLayout({name:"getUV",type:"vec2",inputs:[{name:"direction",type:"vec3"},{name:"face",type:"float"}]}),roughnessToMip=Fn(([e])=>{const t=float(0).toVar();return If(e.greaterThanEqual(cubeUV_r1),()=>{t.assign(cubeUV_r0.sub(e).mul(cubeUV_m1.sub(cubeUV_m0)).div(cubeUV_r0.sub(cubeUV_r1)).add(cubeUV_m0))}).ElseIf(e.greaterThanEqual(cubeUV_r4),()=>{t.assign(cubeUV_r1.sub(e).mul(cubeUV_m4.sub(cubeUV_m1)).div(cubeUV_r1.sub(cubeUV_r4)).add(cubeUV_m1))}).ElseIf(e.greaterThanEqual(cubeUV_r5),()=>{t.assign(cubeUV_r4.sub(e).mul(cubeUV_m5.sub(cubeUV_m4)).div(cubeUV_r4.sub(cubeUV_r5)).add(cubeUV_m4))}).ElseIf(e.greaterThanEqual(cubeUV_r6),()=>{t.assign(cubeUV_r5.sub(e).mul(cubeUV_m6.sub(cubeUV_m5)).div(cubeUV_r5.sub(cubeUV_r6)).add(cubeUV_m5))}).Else(()=>{t.assign(float(-2).mul(log22(mul(1.16,e))))}),t}).setLayout({name:"roughnessToMip",type:"float",inputs:[{name:"roughness",type:"float"}]}),getDirection=Fn(([e,t])=>{const s=e.toVar();s.assign(mul(2,s).sub(1));const n=vec3(s,1).toVar();return If(t.equal(0),()=>{n.assign(n.zyx)}).ElseIf(t.equal(1),()=>{n.assign(n.xzy),n.xz.mulAssign(-1)}).ElseIf(t.equal(2),()=>{n.x.mulAssign(-1)}

63).ElseIf(t.equal(3),()=>{n.assign(n.zyx),n.xz.mulAssign(-1)}).ElseIf(t.equal(4),()=>{n.assign(n.xzy),n.xy.mulAssign(-1)}).ElseIf(t.equal(5),()=>{n.z.mulAssign(-1)}),n}).setLayout({name:"getDirection",type:"vec3",inputs:[{name:"uv",type:"vec2"},{name:"face",type:"float"}]}),textureCubeUV=Fn(([e,t,n,s,o,i])=>{const u=float(n),r=vec3(t),c=clamp2(roughnessToMip(u),cubeUV_m0,i),l=fract(c),d=floor(c),a=vec3(bilinearCubeUV(e,r,d,s,o,i)).toVar();return If(l.notEqual(0),()=>{const t=vec3(bilinearCubeUV(e,r,d.add(1),s,o,i)).toVar();a.assign(mix(a,t,l))}),a}),bilinearCubeUV=Fn(([e,t,n,s,o,i])=>{const r=float(n).toVar(),d=vec3(t),c=float(getFace(d)).toVar(),u=float(max$1(cubeUV_minMipLevel.sub(r),0)).toVar();r.assign(max$1(r,cubeUV_minMipLevel));const l=float(exp2(r)).toVar(),a=vec2(getUV(d,c).mul(l.sub(2)).add(1)).toVar();return If(c.greaterThan(2),()=>{a.y.addAssign(l),c.subAssign(3)}),a.x.addAssign(c.mul(l)),a.x.addAssign(u.mul(mul(3,cubeUV_minTileSize))),a.y.addAssign(mul(4,exp2(i).sub(l))),a.x.mulAssign(s),a.y.mulAssign(o),e.sample(a).grad(vec2(),vec2())}),getSample=Fn(({envMap:e,mipInt:t,outputDirection:n,theta:s,axis:o,CUBEUV_TEXEL_WIDTH:i,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:r})=>{const c=cos(s),l=n.mul(c).add(o.cross(n).mul(sin(s))).add(o.mul(o.dot(n).mul(c.oneMinus())));return bilinearCubeUV(e,l,t,i,a,r)}),blur=Fn(({n:e,latitudinal:t,poleAxis:n,outputDirection:s,weights:o,samples:i,dTheta:a,mipInt:r,envMap:c,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:u})=>{const h=vec3(select(t,n,cross(n,s))).toVar();If(h.equal(vec3(0)),()=>{h.assign(vec3(s.z,0,s.x.negate()))}),h.assign(normalize2(h));const m=vec3().toVar();return m.addAssign(o.element(0).mul(getSample({theta:0,axis:h,outputDirection:s,mipInt:r,envMap:c,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:u}))),Loop({start:int(1),end:e},({i:e})=>{If(e.greaterThanEqual(i),()=>{Break()});const t=float(a.mul(float(e))).toVar();m.addAssign(o.element(e).mul(getSample({theta:t.mul(-1),axis:h,outputDirection:s,mipInt:r,envMap:c,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:u}))),m.addAssign(o.element(e).mul(getSample({theta:t,axis:h,outputDirection:s,mipInt:r,envMap:c,CUBEUV_TEXEL_WIDTH:l,CUBEUV_TEXEL_HEIGHT:d,CUBEUV_MAX_MIP:u})))}),vec4(m,1)}),radicalInverse_VdC=Fn(([e])=>{const t=uint(e).toVar();return t.assign(t.shiftLeft(uint(16)).bitOr(t.shiftRight(uint(16)))),t.assign(t.bitAnd(uint(1431655765)).shiftLeft(uint(1)).bitOr(t.bitAnd(uint(2863311530)).shiftRight(uint(1)))),t.assign(t.bitAnd(uint(858993459)).shiftLeft(uint(2)).bitOr(t.bitAnd(uint(3435973836)).shiftRight(uint(2)))),t.assign(t.bitAnd(uint(252645135)).shiftLeft(uint(4)).bitOr(t.bitAnd(uint(4042322160)).shiftRight(uint(4)))),t.assign(t.bitAnd(uint(16711935)).shiftLeft(uint(8)).bitOr(t.bitAnd(uint(4278255360)).shiftRight(uint(8)))),float(t).mul(.23283064365386963e-9)}),hammersley=Fn(([e,t])=>vec2(float(e).div(float(t)),radicalInverse_VdC(e))),importanceSampleGGX_VNDF=Fn(([e,t,n])=>{const r=vec3(t).toVar(),l=float(n),a=l.mul(l).toVar(),s=normalize2(vec3(a.mul(r.x),a.mul(r.y),r.z)).toVar(),d=s.x.mul(s.x).add(s.y.mul(s.y)),u=select(d.greaterThan(0),vec3(s.y.negate(),s.x,0).div(sqrt(d)),vec3(1,0,0)).toVar(),p=cross(s,u).toVar(),h=sqrt(e.x),m=mul(2,3.14159265359).mul(e.y),o=h.mul(cos(m)).toVar(),i=h.mul(sin(m)).toVar(),f=mul(.5,s.z.add(1));i.assign(f.oneMinus().mul(sqrt(o.mul(o).oneMinus())).add(f.mul(i)));const c=u.mul(o).add(p.mul(i)).add(s.mul(sqrt(max$1(0,o.mul(o).add(i.mul(i)).oneMinus()))));return normalize2(vec3(a.mul(c.x),a.mul(c.y),max$1(0,c.z)))}),ggxConvolution=Fn(({roughness:e,mipInt:t,envMap:n,N_immutable:s,GGX_SAMPLES:o,CUBEUV_TEXEL_WIDTH:i,CUBEUV_TEXEL_HEIGHT:a,CUBEUV_MAX_MIP:r})=>{const c=vec3(s).toVar(),l=vec3(0).toVar(),d=float(0).toVar();return If(e.lessThan(.001),()=>{l.assign(bilinearCubeUV(n,c,t,i,a,r))}).Else(()=>{const u=select(abs(c.z).lessThan(.999),vec3(0,0,1),vec3(1,0,0)),s=normalize2(cross(u,c)).toVar(),h=cross(c,s).toVar();Loop({start:uint(0),end:o},({i:u})=>{const v=hammersley(u,o),m=importanceSampleGGX_VNDF(v,vec3(0,0,1),e),p=normalize2(s.mul(m.x).add(h.mul(m.y)).add(c.mul(m.z))),g=normalize2(p.mul(dot(c,p).mul(2)).sub(c)),f=max$1(dot(c,g),0);If(f.greaterThan(0),()=>{const e=bilinearCubeUV(n,g,t,i,a,r);l.addAssign(e.mul(f)),d.addAssign(f)})}),If(d.greaterThan(0),()=>{l.assign(l.div(d))})}),vec4(l,1)}),LOD_MIN=4,EXTRA_LOD_SIGMA=[.125,.215,.35,.446,.526,.582],MAX_SAMPLES=20,GGX_SAMPLES=512,_flatCamera=new Orthogra

63phicCamera(-1,1,1,-1,0,1),_cubeCamera=new PerspectiveCamera(90,1),_clearColor$2=new Color,_oldTarget=null,_oldActiveCubeFace=0,_oldActiveMipmapLevel=0,_origin=new Vector3,_uniformsMap=new WeakMap,_faceLib=[3,1,5,0,4,2],_direction=getDirection(uv$1(),attribute("faceIndex")).normalize(),_outputDirection=vec3(_direction.x,_direction.y,_direction.z);class PMREMGenerator{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._sizeLods=[],this._sigmas=[],this._lodMeshes=[],this._blurMaterial=null,this._ggxMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._backgroundBox=null}get _hasInitialized(){return this._renderer.hasInitialized()}fromScene(e,t=0,n=.1,s=100,o={}){const{size:r=256,position:c=_origin,renderTarget:a=null}=o;if(this._setSize(r),this._hasInitialized===!1){warn('PMREMGenerator: ".fromScene()" called before the backend is initialized. Try using "await renderer.init()" instead.');const i=a||this._allocateTarget();return o.renderTarget=i,this.fromSceneAsync(e,t,n,s,o),i}_oldTarget=this._renderer.getRenderTarget(),_oldActiveCubeFace=this._renderer.getActiveCubeFace(),_oldActiveMipmapLevel=this._renderer.getActiveMipmapLevel();const i=a||this._allocateTarget();return i.depthBuffer=!0,this._init(i),this._sceneToCubeUV(e,n,s,i,c),t>0&&this._blur(i,0,0,t),this._applyPMREM(i),this._cleanup(i),i}async fromSceneAsync(e,t=0,n=.1,s=100,o={}){return warnOnce('PMREMGenerator: ".fromSceneAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this.fromScene(e,t,n,s,o)}fromEquirectangular(e,t=null){if(this._hasInitialized===!1){warn('PMREMGenerator: .fromEquirectangular() called before the backend is initialized. Try using "await renderer.init()" instead.'),this._setSizeFromTexture(e);const n=t||this._allocateTarget();return this.fromEquirectangularAsync(e,n),n}return this._fromTexture(e,t)}async fromEquirectangularAsync(e,t=null){return warnOnce('PMREMGenerator: ".fromEquirectangularAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}fromCubemap(e,t=null){if(this._hasInitialized===!1){warn("PMREMGenerator: .fromCubemap() called before the backend is initialized. Try using .fromCubemapAsync() instead."),this._setSizeFromTexture(e);const n=t||this._allocateTarget();return this.fromCubemapAsync(e,t),n}return this._fromTexture(e,t)}async fromCubemapAsync(e,t=null){return warnOnce('PMREMGenerator: ".fromCubemapAsync()" is deprecated. Use "await renderer.init()" instead.'),await this._renderer.init(),this._fromTexture(e,t)}async compileCubemapShader(){this._cubemapMaterial===null&&(this._cubemapMaterial=_getCubemapMaterial(),await this._compileMaterial(this._cubemapMaterial))}async compileEquirectangularShader(){this._equirectMaterial===null&&(this._equirectMaterial=_getEquirectMaterial(),await this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),this._cubemapMaterial!==null&&this._cubemapMaterial.dispose(),this._equirectMaterial!==null&&this._equirectMaterial.dispose(),this._backgroundBox!==null&&(this._backgroundBox.geometry.dispose(),this._backgroundBox.material.dispose())}_setSizeFromTexture(e){e.mapping===CubeReflectionMapping||e.mapping===CubeRefractionMapping?this._setSize(e.image.length===0?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4)}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=2**this._lodMax}_dispose(){this._blurMaterial!==null&&this._blurMaterial.dispose(),this._ggxMaterial!==null&&this._ggxMaterial.dispose(),this._pingPongRenderTarget!==null&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodMeshes.length;e++)this._lodMeshes[e].geometry.dispose()}_cleanup(e){this._renderer.setRenderTarget(_oldTarget,_oldActiveCubeFace,_oldActiveMipmapLevel),e.scissorTest=!1,_setViewport(e,0,0,e.width,e.height)}_fromTexture(e,t){this._setSizeFromTexture(e),_oldTarget=this._renderer.getRenderTarget(),_oldActiveCubeFace=this._renderer.getActiveCubeFace(),_oldActiveMipmapLevel=this._renderer.getActiveMipmapLevel();const n=t||this._allocateTarget();return this._init(n),this._textureToCubeUV(e,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTarget(){const e=3*Math.max(this._cubeSize,16*7),t=4*this._cubeSize,n=_createRenderTarget(e,t);return n}_init(e){if(this._pingPongRenderTarget===null||this._pingPongRenderTarget.width!==e.width||this._pingPongRenderTarget.height!==e.height){this._pingPongRenderTarget!==null&&this._dispose(),this._pingPongRenderTarget=_createRenderTarget(e.width,e.height);const{_lodMax:t}=this;({lodMeshes:this._lodMeshes,sizeLods:this._sizeLods,sigmas:this._sigmas}=_createPlanes(t),this._blurMaterial=_getBlurShader(t,e.width,e.height),this._ggxMaterial=_getGGXShader(t,e.width,e.height))}}async _compileMaterial(e){const t=new Mesh(new BufferGeometry,e);await this._renderer.compile(t,_flatCamera)}_sceneToCubeUV(e,t,n,s,o){const i=_cubeCamera;i.near=t,i.far=n;const c=[1,1,1,1,-1,1],l=[1,-1,1,-1,1,-1],a=this._renderer,m=a.autoClear;a.getClearColor(_clearColor$2),a.autoClear=!1,this._backgroundBox===null&&(this._backgroundBox=new Mesh(new BoxGeometry,new MeshBasicMaterial({name:"PMREM.Backgroun

63d",side:BackSide,depthWrite:!1,depthTest:!1})));const u=this._backgroundBox,h=u.material;let d=!1;const r=e.background;r?r.isColor&&(h.color.copy(r),e.background=null,d=!0):(h.color.copy(_clearColor$2),d=!0),a.setRenderTarget(s),a.clear(),d&&a.render(u,i);for(let t=0;t<6;t++){const r=t%3;r===0?(i.up.set(0,c[t],0),i.position.set(o.x,o.y,o.z),i.lookAt(o.x+l[t],o.y,o.z)):r===1?(i.up.set(0,0,c[t]),i.position.set(o.x,o.y,o.z),i.lookAt(o.x,o.y+l[t],o.z)):(i.up.set(0,c[t],0),i.position.set(o.x,o.y,o.z),i.lookAt(o.x,o.y,o.z+l[t]));const n=this._cubeSize;_setViewport(s,r*n,t>2?n:0,n,n),a.render(e,i)}a.autoClear=m,e.background=r}_textureToCubeUV(e,t){const n=this._renderer,s=e.mapping===CubeReflectionMapping||e.mapping===CubeRefractionMapping;s?this._cubemapMaterial===null&&(this._cubemapMaterial=_getCubemapMaterial(e)):this._equirectMaterial===null&&(this._equirectMaterial=_getEquirectMaterial(e));const o=s?this._cubemapMaterial:this._equirectMaterial;o.fragmentNode.value=e;const i=this._lodMeshes[0];i.material=o;const a=this._cubeSize;_setViewport(t,0,0,3*a,2*a),n.setRenderTarget(t),n.render(i,_flatCamera)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;const s=this._lodMeshes.length;for(let t=1;t<s;t++)this._applyGGXFilter(e,t-1,t);t.autoClear=n}_applyGGXFilter(e,t,n){const r=this._renderer,i=this._pingPongRenderTarget,u=this._ggxMaterial,c=this._lodMeshes[n];c.material=u;const o=_uniformsMap.get(u),l=n/(this._lodMeshes.length-1),d=t/(this._lodMeshes.length-1),g=(l*l-d*d)**.5,f=0+l*1.25,p=g*f,{_lodMax:a}=this,s=this._sizeLods[n],h=3*s*(n>a-LOD_MIN?n-a+LOD_MIN:0),m=4*(this._cubeSize-s);e.texture.frame=(e.texture.frame||0)+1,o.envMap.value=e.texture,o.roughness.value=p,o.mipInt.value=a-t,_setViewport(i,h,m,3*s,2*s),r.setRenderTarget(i),r.render(c,_flatCamera),i.texture.frame=(i.texture.frame||0)+1,o.envMap.value=i.texture,o.roughness.value=0,o.mipInt.value=a-n,_setViewport(e,h,m,3*s,2*s),r.setRenderTarget(e),r.render(c,_flatCamera)}_blur(e,t,n,s,o){const i=this._pingPongRenderTarget;this._halfBlur(e,i,t,n,s,"latitudinal",o),this._halfBlur(i,e,n,n,s,"longitudinal",o)}_halfBlur(e,t,n,s,o,i,a){const g=this._renderer,v=this._blurMaterial;i!=="latitudinal"&&i!=="longitudinal"&&error("blur direction must be either latitudinal or longitudinal!");const j=3,m=this._lodMeshes[s];m.material=v;const r=_uniformsMap.get(v),b=this._sizeLods[n]-1,p=isFinite(o)?Math.PI/(2*b):2*Math.PI/(2*MAX_SAMPLES-1),f=o/p,l=isFinite(o)?1+Math.floor(j*f):MAX_SAMPLES;l>MAX_SAMPLES&&warn(`sigmaRadians, ${o}, is too large and will clip, as it requested ${l} samples when the maximum is set to ${MAX_SAMPLES}`);const c=[];let h=0;for(let e=0;e<MAX_SAMPLES;++e){const n=e/f,t=Math.exp(-n*n/2);c.push(t),e===0?h+=t:e<l&&(h+=2*t)}for(let e=0;e<c.length;e++)c[e]=c[e]/h;e.texture.frame=(e.texture.frame||0)+1,r.envMap.value=e.texture,r.samples.value=l,r.weights.array=c,r.latitudinal.value=i==="latitudinal"?1:0,a&&(r.poleAxis.value=a);const{_lodMax:u}=this;r.dTheta.value=p,r.mipInt.value=u-n;const d=this._sizeLods[s],y=3*d*(s>u-LOD_MIN?s-u+LOD_MIN:0),_=4*(this._cubeSize-d);_setViewport(t,y,_,3*d,2*d),g.setRenderTarget(t),g.render(m,_flatCamera)}}function _createPlanes(e){const n=[],s=[],o=[];let t=e;const i=e-LOD_MIN+1+EXTRA_LOD_SIGMA.length;for(let l=0;l<i;l++){const m=2**t;n.push(m);let g=1/m;l>e-LOD_MIN?g=EXTRA_LOD_SIGMA[l-e+LOD_MIN-1]:l===0&&(g=0),s.push(g);const v=1/(m-2),r=-v,c=1+v,_=[r,r,c,r,c,c,r,r,c,c,r,c],u=6,a=6,h=3,f=2,p=1,b=new Float32Array(h*a*u),j=new Float32Array(f*a*u),y=new Float32Array(p*a*u);for(let s=0;s<u;s++){const t=s%3*2/3-1,n=s>2?0:-1,o=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0],e=_faceLib[s];b.set(o,h*a*e),j.set(_,f*a*e);const i=[e,e,e,e,e,e];y.set(i,p*a*e)}const d=new BufferGeometry;d.setAttribute("position",new BufferAttribute(b,h)),d.setAttribute("uv",new BufferAttribute(j,f)),d.setAttribute("faceIndex",new BufferAttribute(y,p)),o.push(new Mesh(d,null)),t>LOD_MIN&&t--}return{lodMeshes:o,sizeLods:n,sigmas:s}}function _createRenderTarget(e,t){const s={magFilter:LinearFilter,minFilter:LinearFilter,generateMipmaps:!1,type:HalfFloatType,format:RGBAFormat,colorSpace:LinearSRGBColorSpace},n=new RenderTarget(e,t,s);return n.texture.mapping=CubeUVReflectionMapping,n.texture.name="PMREM.cubeUv",n.texture.isPMREMTexture=!0,n.scissorTest=!0,n}function _setViewport(e,t,n,s,o){e.viewport.set(t,n,s,o),e.scissor.set(t,n,s,o)}

63function _getMaterial(e){const t=new NodeMaterial;return t.depthTest=!1,t.depthWrite=!1,t.blending=NoBlending,t.name=`PMREM_${e}`,t}function _getBlurShader(e,t,n){const l=uniformArray(new Array(MAX_SAMPLES).fill(0)),p=uniform(new Vector3(0,1,0)),f=uniform(0),r=float(MAX_SAMPLES),o=uniform(0),c=uniform(1),a=texture(),d=uniform(0),u=float(1/t),h=float(1/n),m=float(e),i={n:r,latitudinal:o,weights:l,poleAxis:p,outputDirection:_outputDirection,dTheta:f,samples:c,envMap:a,mipInt:d,CUBEUV_TEXEL_WIDTH:u,CUBEUV_TEXEL_HEIGHT:h,CUBEUV_MAX_MIP:m},s=_getMaterial("blur");return s.fragmentNode=blur({...i,latitudinal:o.equal(1)}),_uniformsMap.set(s,i),s}function _getGGXShader(e,t,n){const i=texture(),a=uniform(0),r=uniform(0),c=float(1/t),l=float(1/n),d=float(e),o={envMap:i,roughness:a,mipInt:r,CUBEUV_TEXEL_WIDTH:c,CUBEUV_TEXEL_HEIGHT:l,CUBEUV_MAX_MIP:d},s=_getMaterial("ggx");return s.fragmentNode=ggxConvolution({...o,N_immutable:_outputDirection,GGX_SAMPLES:uint(GGX_SAMPLES)}),_uniformsMap.set(s,o),s}function _getCubemapMaterial(e){const t=_getMaterial("cubemap");return t.fragmentNode=cubeTexture(e,_outputDirection),t}function _getEquirectMaterial(e){const t=_getMaterial("equirect");return t.fragmentNode=texture(e,equirectUV(_outputDirection),0),t}_cache2=new WeakMap;function _generateCubeUVSize(e){const t=Math.log2(e)-2,n=1/e,s=1/(3*Math.max(2**t,7*16));return{texelWidth:s,texelHeight:n,maxMip:t}}function _getPMREMFromTexture(e,t,n){const o=_getCache(t);let s=o.get(e);const i=s!==0[0]?s.pmremVersion:-1;if(i!==e.pmremVersion){const t=e.image;if(e.isCubeTexture)if(isCubeMapReady(t))s=n.fromCubemap(e,s);else return null;else if(isEquirectangularMapReady(t))s=n.fromEquirectangular(e,s);else return null;s.pmremVersion=e.pmremVersion,o.set(e,s)}return s.texture}function _getCache(e){let t=_cache2.get(e);return t===0[0]&&(t=new WeakMap,_cache2.set(e,t)),t}class PMREMNode extends TempNode{static get type(){return"PMREMNode"}constructor(e,t=null,n=null){super("vec3"),this._value=e,this._pmrem=null,this.uvNode=t,this.levelNode=n,this._generator=null;const s=new Texture;s.isRenderTargetTexture=!0,this._texture=texture(s),this._width=uniform(0),this._height=uniform(0),this._maxMip=uniform(0),this.updateBeforeType=NodeUpdateType.RENDER}set value(e){this._value=e,this._pmrem=null}get value(){return this._value}updateFromTexture(e){const t=_generateCubeUVSize(e.image.height);this._texture.value=e,this._width.value=t.texelWidth,this._height.value=t.texelHeight,this._maxMip.value=t.maxMip}updateBefore(e){let t=this._pmrem;const s=t?t.pmremVersion:-1,n=this._value;s!==n.pmremVersion&&(n.isPMREMTexture===!0?t=n:t=_getPMREMFromTexture(n,e.renderer,this._generator),t!==null&&(this._pmrem=t,this.updateFromTexture(t)))}setup(e){this._generator===null&&(this._generator=new PMREMGenerator(e.renderer)),this.updateBefore(e);let t=this.uvNode;t===null&&e.context.getUV&&(t=e.context.getUV(this,e)),t=materialEnvRotation.mul(vec3(t.x,t.y.negate(),t.z));let n=this.levelNode;return n===null&&e.context.getTextureLevel&&(n=e.context.getTextureLevel(this)),textureCubeUV(this._texture,t,n,this._width,this._height,this._maxMip)}dispose(){super.dispose(),this._generator!==null&&this._generator.dispose()}}function isCubeMapReady(e){if(e==null)return!1;let t=0;const n=6;for(let s=0;s<n;s++)e[s]!==0[0]&&t++;return t===n}function isEquirectangularMapReady(e){return e!=null&&e.height>0}pmremTexture=nodeProxy(PMREMNode).setParameterLength(1,3),_envNodeCache=new WeakMap;class EnvironmentNode extends LightingNode{static get type(){return"EnvironmentNode"}constructor(e=null){super(),this.envNode=e}setup(e){const{material:n}=e;let t=this.envNode;if(t.isTextureNode||t.isMaterialReferenceNode){const s=t.isTextureNode?t.value:n[t.property];let e=_envNodeCache.get(s);e===0[0]&&(e=pmremTexture(s),_envNodeCache.set(s,e)),t=e}const o=n.useAnisotropy===!0||n.anisotropy>0,i=o?bentNormalView:normalView,a=t.context(createRadianceContext(roughness,i)).mul(materialEnvIntensity),r=t.context(createIrradianceContext(normalWorld)).mul(Math.PI).mul(materialEnvIntensity),c=isolate(a),l=isolate(r);

63e.context.radiance.addAssign(c),e.context.iblIrradiance.addAssign(l);const s=e.context.lightingModel.clearcoatRadiance;if(s){const e=t.context(createRadianceContext(clearcoatRoughness,clearcoatNormalView)).mul(materialEnvIntensity),n=isolate(e);s.addAssign(n)}}}createRadianceContext=(e,t)=>{let n=null;return{getUV:()=>(n===null&&(n=positionViewDirection.negate().reflect(t),n=pow4(e).mix(n,t).normalize(),n=n.transformDirection(cameraViewMatrix)),n),getTextureLevel:()=>e}},createIrradianceContext=e=>({getUV:()=>e,getTextureLevel:()=>float(1)}),_defaultValues$6=new MeshStandardMaterial;class MeshStandardNodeMaterial extends NodeMaterial{static get type(){return"MeshStandardNodeMaterial"}constructor(e){super(),this.isMeshStandardNodeMaterial=!0,this.lights=!0,this.emissiveNode=null,this.metalnessNode=null,this.roughnessNode=null,this.setDefaultValues(_defaultValues$6),this.setValues(e)}setupEnvironment(e){let t=super.setupEnvironment(e);return t===null&&e.environmentNode&&(t=e.environmentNode),t?new EnvironmentNode(t):null}setupLightingModel(){return new PhysicalLightingModel}setupSpecular(){const e=mix(vec3(.04),diffuseColor.rgb,metalness);specularColor.assign(vec3(.04)),specularColorBlended.assign(e),specularF90.assign(1)}setupVariants(){const t=this.metalnessNode?float(this.metalnessNode):materialMetalness;metalness.assign(t);let e=this.roughnessNode?float(this.roughnessNode):materialRoughness;e=getRoughness({roughness:e}),roughness.assign(e),this.setupSpecular(),diffuseContribution.assign(diffuseColor.rgb.mul(t.oneMinus()))}copy(e){return this.emissiveNode=e.emissiveNode,this.metalnessNode=e.metalnessNode,this.roughnessNode=e.roughnessNode,super.copy(e)}}_defaultValues$5=new MeshPhysicalMaterial;class MeshPhysicalNodeMaterial extends MeshStandardNodeMaterial{static get type(){return"MeshPhysicalNodeMaterial"}constructor(e){super(),this.isMeshPhysicalNodeMaterial=!0,this.clearcoatNode=null,this.clearcoatRoughnessNode=null,this.clearcoatNormalNode=null,this.sheenNode=null,this.sheenRoughnessNode=null,this.iridescenceNode=null,this.iridescenceIORNode=null,this.iridescenceThicknessNode=null,this.specularIntensityNode=null,this.specularColorNode=null,this.iorNode=null,this.transmissionNode=null,this.thicknessNode=null,this.attenuationDistanceNode=null,this.attenuationColorNode=null,this.dispersionNode=null,this.anisotropyNode=null,this.setDefaultValues(_defaultValues$5),this.setValues(e)}get useClearcoat(){return this.clearcoat>0||this.clearcoatNode!==null}get useIridescence(){return this.iridescence>0||this.iridescenceNode!==null}get useSheen(){return this.sheen>0||this.sheenNode!==null}get useAnisotropy(){return this.anisotropy>0||this.anisotropyNode!==null}get useTransmission(){return this.transmission>0||this.transmissionNode!==null}get useDispersion(){return this.dispersion>0||this.dispersionNode!==null}setupSpecular(){const e=this.iorNode?float(this.iorNode):materialIOR;ior.assign(e),specularColor.assign(min$1(pow2(ior.sub(1).div(ior.add(1))).mul(materialSpecularColor),vec3(1)).mul(materialSpecularIntensity)),specularColorBlended.assign(mix(specularColor,diffuseColor.rgb,metalness)),specularF90.assign(mix(materialSpecularIntensity,1,metalness))}setupLightingModel(){return new PhysicalLightingModel(this.useClearcoat,this.useSheen,this.useIridescence,this.useAnisotropy,this.useTransmission,this.useDispersion)}setupVariants(e){if(super.setupVariants(e),this.useClearcoat){const e=this.clearcoatNode?float(this.clearcoatNode):materialClearcoat,t=this.clearcoatRoughnessNode?float(this.clearcoatRoughnessNode):materialClearcoatRoughness;clearcoat.assign(e),clearcoatRoughness.assign(getRoughness({roughness:t}))}if(this.useSheen){const e=this.sheenNode?vec3(this.sheenNode):materialSheen,t=this.sheenRoughnessNode?float(this.sheenRoughnessNode):materialSheenRoughness;sheen.assign(e),sheenRoughness.assign(t)}if(this.useIridescence){const e=this.iridescenceNode?float(this.iridescenceNode):materialIridescence,t=this.iridescenceIORNode?float(this.iridescenceIORNode):materialIridescenceIOR,n=this.iridescenceThicknessNode?float(this.iridescenceThicknessNode):materialIridescenceThickness;iridescence.assign(e),iridescenceIOR.assign(t),iridescenceThickness.assign(n)}if(this.useAnisotropy){const e=(this.anisotropyNode?vec2(this.anisotropyNode):materialAnisotropy).toVar();anisotropy.assign(e.length()),If(anisotropy.equal(0),()=>{e.assign(vec2(1,0))}).Else(()=>{e.divAssign(vec2(anisotropy)),anisotropy.assign(anisotropy.saturate())}),alphaT.assign(anisotropy.pow2().mix(roughness.pow2(),1)),anisotropyT.assign(TBNViewMatrix[0].mul(e.x).add(TBNViewMatrix[1].mul(e.y))),anisotropyB.assign(TBNViewMatrix[1].mul(e.x).sub(TBNViewMatrix[0].mul(e.y)))}if(this.useTransmission){const e=this.transmissionNode?float(this.transmissionNode):materialTransmission,t=this.thicknessNode?float(this.thicknessNode):materialThickness,n=this.attenuationDistanceNode?float(this.attenuationDistanceNode):materialAttenuationDistance,s=this.attenuationColorNode?vec3(this.attenuationColorNode):materialAttenuationColor;if(transmission.assign(e),thickness.assign(t),attenuationDistance.assign(n),attenuationColor.assign(s),this.useDispersion){const e=this.dispersionNode?float(this.dispersionNode):materialDispersion;dispersion.assign(e)}}}setupClearcoatNormal(){return this.clearcoatNormalNode?vec3(this.clearcoatNormalNode):materialClearcoatNormal}setup(e){e.context.setupClearcoatNormal=()=>subBuild(this.setupClearcoatNormal(e),"NORMAL","vec3"),super.setup(e)}copy(e){return this.clearcoatNode=e.clearcoatNode,this.clearcoatRoughnessNode=e.clearcoatRoughnessNode,this.clearcoatNormalNode=e.clearcoatNormalNode,this.sheenNode=e.sheenNode,this.sheenRoughnessNode=e.sheenRoughnessNode,this.iridescenceNode=e.iridescenceNode,this.iridescenceIORNode=e.iridescenceIORNode,this.iridescenceThicknessNode=e.iridescenceThicknessNode,this.specularIntensityNode=e.specularIntensityNode,this.specularColorNode=e.specularColorNode,this.transmissionNode=e.transmissionNode,this.thicknessNode=e.thicknessNode,this.attenuationDistanceNode=e.attenuationDistanceNode,this.attenuationColorNode=e.attenuationColorNode,this.dispersionNode=e.dis

63persionNode,this.anisotropyNode=e.anisotropyNode,super.copy(e)}}getGradientIrradiance=Fn(({normal:e,lightDirection:t,builder:n})=>{const i=e.dot(t),s=vec2(i.mul(.5).add(.5),0);if(n.material.gradientMap){const e=materialReference("gradientMap","texture").context({getUV:()=>s});return vec3(e.r)}const o=s.fwidth().mul(.5);return mix(vec3(.7),vec3(1),smoothstep2(float(.7).sub(o.x),float(.7).add(o.x),s.x))});class ToonLightingModel extends LightingModel{direct({lightDirection:e,lightColor:t,reflectedLight:n},s){const o=getGradientIrradiance({normal:normalGeometry,lightDirection:e,builder:s}).mul(t);n.directDiffuse.addAssign(o.mul(BRDF_Lambert({diffuseColor:diffuseColor.rgb})))}indirect(e){const{ambientOcclusion:n,irradiance:s,reflectedLight:t}=e.context;t.indirectDiffuse.addAssign(s.mul(BRDF_Lambert({diffuseColor}))),t.indirectDiffuse.mulAssign(n)}}_defaultValues$4=new MeshToonMaterial;class MeshToonNodeMaterial extends NodeMaterial{static get type(){return"MeshToonNodeMaterial"}constructor(e){super(),this.isMeshToonNodeMaterial=!0,this.lights=!0,this.setDefaultValues(_defaultValues$4),this.setValues(e)}setupLightingModel(){return new ToonLightingModel}}matcapUV=Fn(()=>{const e=vec3(positionViewDirection.z,0,positionViewDirection.x.negate()).normalize(),t=positionViewDirection.cross(e);return vec2(e.dot(normalView),t.dot(normalView)).mul(.495).add(.5)}).once(["NORMAL","VERTEX"])().toVar("matcapUV"),_defaultValues$3=new MeshMatcapMaterial;class MeshMatcapNodeMaterial extends NodeMaterial{static get type(){return"MeshMatcapNodeMaterial"}constructor(e){super(),this.isMeshMatcapNodeMaterial=!0,this.setDefaultValues(_defaultValues$3),this.setValues(e)}setupVariants(e){const n=matcapUV;let t;e.material.matcap?t=materialReference("matcap","texture").context({getUV:()=>n}):t=vec3(mix(.2,.8,n.y)),diffuseColor.rgb.mulAssign(t.rgb)}}class RotateNode extends TempNode{static get type(){return"RotateNode"}constructor(e,t){super(),this.positionNode=e,this.rotationNode=t}getNodeType(e){return this.positionNode.getNodeType(e)}setup(e){const{rotationNode:n,positionNode:s}=this,o=this.getNodeType(e);if(o==="vec2"){const e=n.cos(),t=n.sin(),o=mat2(e,t,t.negate(),e);return o.mul(s)}const t=n,i=mat4(vec4(1,0,0,0),vec4(0,cos(t.x),sin(t.x).negate(),0),vec4(0,sin(t.x),cos(t.x),0),vec4(0,0,0,1)),a=mat4(vec4(cos(t.y),0,sin(t.y),0),vec4(0,1,0,0),vec4(sin(t.y).negate(),0,cos(t.y),0),vec4(0,0,0,1)),r=mat4(vec4(cos(t.z),sin(t.z).negate(),0,0),vec4(sin(t.z),cos(t.z),0,0),vec4(0,0,1,0),vec4(0,0,0,1));return i.mul(a).mul(r).mul(vec4(s,1)).xyz}}rotate=nodeProxy(RotateNode).setParameterLength(2),_defaultValues$2=new SpriteMaterial;class SpriteNodeMaterial extends NodeMaterial{static get type(){return"SpriteNodeMaterial"}constructor(e){super(),this.isSpriteNodeMaterial=!0,this._useSizeAttenuation=!0,this.positionNode=null,this.rotationNode=null,this.scaleNode=null,this.transparent=!0,this.setDefaultValues(_defaultValues$2),this.setValues(e)}setupPositionView(e){const{object:s,camera:a}=e,{positionNode:r,rotationNode:c,scaleNode:i,sizeAttenuation:l}=this,o=modelViewMatrix.mul(vec3(r||0));let t=vec2(modelWorldMatrix[0].xyz.length(),modelWorldMatrix[1].xyz.length());i!==null&&(t=t.mul(vec2(i))),a.isPerspectiveCamera&&l===!1&&(t=t.mul(o.z.negate()));let n=positionGeometry.xy;if(s.center&&s.center.isVector2===!0){const e=reference$1("center","vec2",s);n=n.sub(e.sub(.5))}n=n.mul(t);const d=float(c||materialRotation),u=rotate(n,d);return vec4(o.xy.add(u),o.zw)}copy(e){return this.positionNode=e.positionNode,this.rotationNode=e.rotationNode,this.scaleNode=e.scaleNode,super.copy(e)}get sizeAttenuation(){return this._useSizeAttenuation}set sizeAttenuation(e){this._useSizeAttenuation!==e&&(this._useSizeAttenuation=e,this.needsUpdate=!0)}}_defaultValues$1=new PointsMaterial,_size$4=new Vector2;class PointsNodeMaterial extends SpriteNodeMaterial{static get type(){return"PointsNodeMaterial"}constructor(e){super(),this.sizeNode=null,this.isPointsNodeMaterial=!0,this.setDefaultValues(_defaultValues$1),this.setValues(e)}setupPositionView(){const{positionNode:e}=this;return modelViewMatrix.mul(vec3(e||positionLocal)).xyz}setupVertexSprite(e){const{material:r,camera:c}=e,{rotationNode:o,scaleNode:i,sizeNode:a,sizeAttenuation:l}=this;let s=super.setupVertex(e);if(r.isNodeMaterial!==!0)return s;let n=a!==null?vec2(a):materialPointSize;n=n.mul(screenDPR),c.isPerspectiveCamera&&l===!0&&(n=n.mul(scale.div(positionView.z.negate()))),i&&i.isNode&&(n=n.mul(ve

63c2(i)));let t=positionGeometry.xy;if(o&&o.isNode){const e=float(o);t=rotate(t,e)}return t=t.mul(n),t=t.div(viewportSize.div(2)),t=t.mul(s.w),s=s.add(vec4(t,0,0)),s}setupVertex(e){return e.object.isPoints?super.setupVertex(e):this.setupVertexSprite(e)}get alphaToCoverage(){return this._useAlphaToCoverage}set alphaToCoverage(e){this._useAlphaToCoverage!==e&&(this._useAlphaToCoverage=e,this.needsUpdate=!0)}}scale=uniform(1).onFrameUpdate(function({renderer:e}){const t=e.getSize(_size$4);this.value=.5*t.y});class ShadowMaskModel extends LightingModel{constructor(){super(),this.shadowNode=float(1).toVar("shadowMask")}direct({lightNode:e}){e.shadowNode!==null&&this.shadowNode.mulAssign(e.shadowNode)}finish({context:e}){diffuseColor.a.mulAssign(this.shadowNode.oneMinus()),e.outgoingLight.rgb.assign(diffuseColor.rgb)}}_defaultValues=new ShadowMaterial;class ShadowNodeMaterial extends NodeMaterial{static get type(){return"ShadowNodeMaterial"}constructor(e){super(),this.isShadowNodeMaterial=!0,this.lights=!0,this.transparent=!0,this.setDefaultValues(_defaultValues),this.setValues(e)}setupLightingModel(){return new ShadowMaskModel}}scatteringDensity=property("vec3"),linearDepthRay=property("vec3"),outgoingRayLight=property("vec3");class Animation{constructor(e,t,n){this.renderer=e,this.nodes=t,this.info=n,this._context=typeof self!="undefined"?self:null,this._animationLoop=null,this._requestId=null}start(){const e=(t,n)=>{this._requestId=this._context.requestAnimationFrame(e),this.info.autoReset===!0&&this.info.reset(),this.nodes.nodeFrame.update(),this.info.frame=this.nodes.nodeFrame.frameId,this.renderer._inspector.begin(),this._animationLoop!==null&&this._animationLoop(t,n),this.renderer._inspector.finish()};e()}stop(){this._context.cancelAnimationFrame(this._requestId),this._requestId=null}getAnimationLoop(){return this._animationLoop}setAnimationLoop(e){this._animationLoop=e}getContext(){return this._context}setContext(e){this._context=e}dispose(){this.stop()}}class ChainMap{constructor(){this.weakMaps={}}_getWeakMap(e){const n=e.length;let t=this.weakMaps[n];return t===0[0]&&(t=new WeakMap,this.weakMaps[n]=t),t}get(e){let t=this._getWeakMap(e);for(let n=0;n<e.length-1;n++)if(t=t.get(e[n]),t===0[0])return;return t.get(e[e.length-1])}set(e,t){let n=this._getWeakMap(e);for(let t=0;t<e.length-1;t++){const s=e[t];n.has(s)===!1&&n.set(s,new WeakMap),n=n.get(s)}return n.set(e[e.length-1],t),this}delete(e){let t=this._getWeakMap(e);for(let n=0;n<e.length-1;n++)if(t=t.get(e[n]),t===0[0])return!1;return t.delete(e[e.length-1])}}_id$a=0;function getKeys(e){const n=Object.keys(e);let t=Object.getPrototypeOf(e);for(;t;){const e=Object.getOwnPropertyDescriptors(t);for(const t in e)if(e[t]!==0[0]){const s=e[t];s&&typeof s.get=="function"&&n.push(t)}t=Object.getPrototypeOf(t)}return n}class RenderObject{constructor(e,t,n,s,o,i,a,r,c,l){this.id=_id$a++,this._nodes=e,this._geometries=t,this.renderer=n,this.object=s,this.material=o,this.scene=i,this.camera=a,this.lightsNode=r,this.context=c,this.geometry=s.geometry,this.version=o.version,this.drawRange=null,this.attributes=null,this.attributesId=null,this.pipeline=null,this.group=null,this.vertexBuffers=null,this.drawParams=null,this.bundle=null,this.clippingContext=l,this.clippingContextCacheKey=l!==null?l.cacheKey:"",this.initialNodesCacheKey=this.getDynamicCacheKey(),this.initialCacheKey=this.getCacheKey(),this._nodeBuilderState=null,this._bindings=null,this._monitor=null,this.onDispose=null,this.isRenderObject=!0,this.onMaterialDispose=()=>{this.dispose()},this.onGeometryDispose=()=>{this.attributes=null,this.attributesId=null},this.material.addEventListener("dispose",this.onMaterialDispose),this.geometry.addEventListener("dispose",this.onGeometryDispose)}updateClipping(e){this.clippingContext=e}get clippingNeedsUpdate(){return this.clippingContext!==null&&this.clippingContext.cacheKey!==this.clippingContextCacheKey&&(this.clippingContextCacheKey=this.clippingContext.cacheKey,!0)}get hardwareClippingPlanes(){return this.material.hardwareClipping===!0?this.clippingContext.unionClippingCount:0}getNodeBuilderState(){return this._nodeBuilderState||(this._nodeBuilderState=this._nodes.getForRender(this))}getMonitor(){return this._monitor||(this._monitor=this.getNodeBuilderState().observer)}getBindings(){return this._bindings||(this._bindings=this.getNodeBuilderState().createBindings())}getBindingGroup(e){for(const t of this.getBindings())if(t.name===e)return t}getIndex(){return this._geometries.getIndex(this)}getIndirect(){return this._geometries.getIndirect(this)}getIndirectOffset(){return this._geometries.getIndirectOffset(this)}getChainArray(){return[this.object,this.material,this.context,this.lightsNode]}setGeometry(e){this.geometry=e,this.attributes=null,this.attributesId=null}getAttributes(){if(this.attributes!==null)return this.attributes;const s=this.getNodeBuilderState().nodeAttributes,o=this.geometry,e=[],t=new Set,n={};for(const a of s){let i;if(a.node&&a.node.attribute?i=a.node.attribute:(i=o.getAttribute(a.name),n[a.name]=i.version),i===0[0])continue;e.push(i);const r=i.isInterleavedBufferAttribute?i.data:i;t.add(r)}return this.attributes=e,this.attributesId=n,this.vertexBuffers=Array.from(t.values()),e}getVertexBuffers(){return this.vertexBuffers===null&&this.getAttributes(),this.vertexBuffers}getDrawParameters(){const{object:e,material:f,geometry:c,group:i,drawRange:r}=this,n=this.drawParams||(this.drawParams={vertexCount:0,firstVertex:0,instanceCount:0,firstInstance:0}),h=this.getIndex(),m=h!==null;let a=1;if(c.isInstancedBufferGeometry===!0?a=c.instanceCount:e.count!==0[0]&&(a=Math.max(0,e.count)),a===0)return null;if(n.instanceCount=a,e.isBatchedMesh===!0)return n;let o=1;f.wireframe===!0&&!e.isPoints&&!e.isLineSegments&&!e.isLine&&!e.isLineLoop&&(o=2);let t=r.start*o,s=(r.start+r.count)*o;i!==null&&(t=Math.max(t,i.start*o),s=Math.min(s,(i.start+i.count)*o));const l=c.attributes.position;let d=1/0;m?d=h.count:l!=null&&(d=l.count),t=Math.max(t,0),s=Math.min(s,d);const u=s-t;return u<0||u===1/0?null:(n.vertexCount=u,n.firstVertex=t,n)}getGeometryCacheKey(){const{geometry:t}=this;let e="";for(const s of Object.keys(t.attributes).sort()){const n=t.attributes[s];e+=s+",",n.data&&(e+=n.data.stride+","),n.offset&&(e+=n.offset+","),n.itemSize&&(e+=n.itemSize+","),n.normalized&&(e+="n,")}for(const n of Object.keys(t.morphAttributes).sort()){const s=t.morphAttributes[n];e+="morph-"+n+",";for(let t=0,n=s.length;t<n;t++){const o=s[t];e+=o.id+","}}return t.index&&(e+="index,"),e}getMaterialCacheKey(){const{object:e,material:n,renderer:s}=this;let t=n.customProgramCacheKey();for(const i of getKeys(n)){if(/^(is[A-Z]|_)|^(visible|version|uuid|name|opacity|userData)$/.test(i))continue;const e=n[i];let o;if(e!==null){const t=typeof e;t==="number"?o=e!==0?"1":"0":t==="object"?(o="{",e.isTexture&&(o+=e.mapping,s.backend.isWebGPUBackend===!0&&(o+=e.magFilter,o+=e.minFilter,o+=e.wrapS,o+=e.wrapT,o+=e.wrapR)),o+="}"):o=String(e)}else o=String(e);t+=o+","}return t+=this.clippingContextCacheKey+",",e.geometry&&(t+=this.getGeometryCacheKey()),e.skeleton&&(t+=e.skeleton.bones.length+","),e.isBatchedMesh&&(t+=e._matricesTexture.uuid+",",e._colorsTexture!==null&&(t+=e._colorsTexture.uuid+",")),(e.isInstancedMesh||e.count>1||Array.isArray(e.morphTargetInfluences))&&(t+=e.uuid+","),t+=this.context.

63id+",",t+=e.receiveShadow+",",hashString(t)}get needsGeometryUpdate(){if(this.geometry.id!==this.object.geometry.id)return!0;if(this.attributes!==null){const e=this.attributesId;for(const t in e){const n=this.geometry.getAttribute(t);if(n===0[0]||e[t]!==n.id)return!0}}return!1}get needsUpdate(){return this.initialNodesCacheKey!==this.getDynamicCacheKey()||this.clippingNeedsUpdate}getDynamicCacheKey(){let e=0;return this.material.isShadowPassMaterial!==!0&&(e=this._nodes.getCacheKey(this.scene,this.lightsNode)),this.camera.isArrayCamera&&(e=hash$1(e,this.camera.cameras.length)),this.object.receiveShadow&&(e=hash$1(e,1)),e=hash$1(e,this.camera.id,this.renderer.contextNode.id,this.renderer.contextNode.version),e}getCacheKey(){return this.getMaterialCacheKey()+this.getDynamicCacheKey()}dispose(){this.material.removeEventListener("dispose",this.onMaterialDispose),this.geometry.removeEventListener("dispose",this.onGeometryDispose),this.onDispose()}}_chainKeys$5=[];class RenderObjects{constructor(e,t,n,s,o,i){this.renderer=e,this.nodes=t,this.geometries=n,this.pipelines=s,this.bindings=o,this.info=i,this.chainMaps={}}get(e,t,n,s,o,i,a,r){const l=this.getChainMap(r);_chainKeys$5[0]=e,_chainKeys$5[1]=t,_chainKeys$5[2]=i,_chainKeys$5[3]=o;let c=l.get(_chainKeys$5);return c===0[0]?(c=this.createRenderObject(this.nodes,this.geometries,this.renderer,e,t,n,s,o,i,a,r),l.set(_chainKeys$5,c)):(c.updateClipping(a),c.needsGeometryUpdate&&c.setGeometry(e.geometry),(c.version!==t.version||c.needsUpdate)&&(c.initialCacheKey!==c.getCacheKey()?(c.dispose(),c=this.get(e,t,n,s,o,i,a,r)):c.version=t.version)),_chainKeys$5.length=0,c}getChainMap(e="default"){return this.chainMaps[e]||(this.chainMaps[e]=new ChainMap)}dispose(){this.chainMaps={}}createRenderObject(e,t,n,s,o,i,a,r,c,l,d){const h=this.getChainMap(d),u=new RenderObject(e,t,n,s,o,i,a,r,c,l);return u.onDispose=()=>{this.pipelines.delete(u),this.bindings.deleteForRender(u),this.nodes.delete(u),h.delete(u.getChainArray())},u}}class DataMap{constructor(){this.data=new WeakMap}get(e){let t=this.data.get(e);return t===0[0]&&(t={},this.data.set(e,t)),t}delete(e){let t=null;return this.data.has(e)&&(t=this.data.get(e),this.data.delete(e)),t}has(e){return this.data.has(e)}dispose(){this.data=new WeakMap}}AttributeType={VERTEX:1,INDEX:2,STORAGE:3,INDIRECT:4},GPU_CHUNK_BYTES=16,BlendColorFactor=211,OneMinusBlendColorFactor=212;class Attributes extends DataMap{constructor(e){super(),this.backend=e}delete(e){const t=super.delete(e);return t!==null&&this.backend.destroyAttribute(e),t}update(e,t){const n=this.get(e);if(n.version===0[0])t===AttributeType.VERTEX?this.backend.createAttribute(e):t===AttributeType.INDEX?this.backend.createIndexAttribute(e):t===AttributeType.STORAGE?this.backend.createStorageAttribute(e):t===AttributeType.INDIRECT&&this.backend.createIndirectStorageAttribute(e),n.version=this._getBufferAttribute(e).version;else{const t=this._getBufferAttribute(e);(n.version<t.version||t.usage===DynamicDrawUsage)&&(this.backend.updateAttribute(e),n.version=t.version)}}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}function getWireframeVersion(e){return e.index!==null?e.index.version:e.attributes.position.version}function getWireframeIndex(e){const t=[],n=e.index,o=e.attributes.position;if(n!==null){const e=n.array;for(let n=0,a=e.length;n<a;n+=3){const s=e[n+0],o=e[n+1],i=e[n+2];t.push(s,o,o,i,i,s)}}else{const e=o.array;for(let n=0,a=e.length/3-1;n<a;n+=3){const s=n+0,o=n+1,i=n+2;t.push(s,o,o,i,i,s)}}const s=new(arrayNeedsUint32(t)?Uint32BufferAttribute:Uint16BufferAttribute)(t,1);return s.version=getWireframeVersion(e),s}class Geometries extends DataMap{constructor(e,t){super(),this.attributes=e,this.info=t,this.wireframes=new WeakMap,this.attributeCall=new WeakMap,this._geometryDisposeListeners=new Map}has(e){const t=e.geometry;return super.has(t)&&this.get(t).initialized===!0}updateForRender(e){this.has(e)===!1&&this.initGeometry(e),this.updateAttributes(e)}initGeometry(e){const t=e.geometry,s=this.get(t);s.initialized=!0,this.info.memory.geometries++;const n=()=>{this.info.memory.geometries--;const s=t.index,i=e.getAttributes();s!==null&&this.attributes.delete(s);for(const e of i)this.attributes.delete(e);const o=this.wireframes.get(t);o!==0[0]&&this.attributes.delete(o),t.removeEventListener("dispose",n),this._geometryDisposeListeners.delete(t)};t.addEventListener("dispose",n),this._geometryDisposeListeners.set(t,n)}updateAttributes(e){const s=e.getAttributes();for(const e of s)e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute?this.updateAttribute(e,AttributeType.STORAGE):this.updateAttribute(e,AttributeType.VERTEX);const t=this.getIndex(e);t!==null&&this.updateAttribute(t,AttributeType.INDEX);const n=e.geometry.indirect;n!==null&&this.updateAttribute(n,AttributeType.INDIRECT)}updateAttribute(e,t){const n=this.info.render.calls;e.isInterleavedBufferAttribute?this.attributeCall.get(e)===0[0]?(this.attributes.update(e,t),this.attributeCall.set(e,n)):this.attributeCall.get(e.data)!==n&&(this.attributes.update(e,t),this.attributeCall.set(e.data,n),this.attributeCall.set(e,n)):this.attributeCall.get(e)!==n&&(this.attributes.update(e,t),this.attributeCall.set(e,n))}getIndirect(e){return e.geometry.indirect}getIndirectOffset(e){return e.geometry.indirectOffset}getIndex(e){const{geometry:t,material:s}=e;let n=t.index;if(s.wireframe===!0){const s=this.wireframes;let e=s.get(t);e===0[0]?(e=getWireframeIndex(t),s.set(t,e)):e.version!==getWireframeVersion(t)&&(this.attributes.delete(e),e=getWireframeIndex(t),s.set(t,e)),n=e}return n}dispose(){for(const[e,t]of this._geometryDisposeListeners.entries())e.removeEventListener("dispose",t);this._geometryDisposeListeners.clear()}}class Info{constructor(){this.autoReset=!0,this.frame=0,this.calls=0,this.render={calls:0,frameCalls:0,drawCalls:0,triangles:0,points:0,lines:0,timestamp:0},this.compute={calls:0,frameCalls:0,timestamp:0},this.memory={geometries:0,textures:0}}update(e,t,n){this.render.drawCalls++,e.isMesh||e.isSprite?this.render.triangles+=n*(t/3):e.isPoints?this.render.points+=n*t:e.isLineSegments?this.render.lines+=n*(t/2):e.isLine?this.render.lines+=n*(t-1):error("WebGPUInfo: Unknown object type.")}reset(){this.render.drawCalls=0,this.render.frameCalls=0,this.compute.frameCalls=0,this.render.triangles=0,this.render.points=0,this.render.lines=0}dispose(){this.reset(),this.calls=0,this.render.calls=0,this.compute.calls=0,this.render.timestamp=0,this.compute.timestamp=0,this.memory.geometries=0,this.memory.textures=0}}class Pipeline{constructor(e){this.cacheKey=e,this.usedTimes=0}}class RenderPipeline extends Pipeline{constructor(e,t,n){super(e),this.vertexProgram=t,this.fragmentProgram=n}}class ComputePipeline extends Pipeline{constructor(e,t){super(e),this.computeProgram=t,this.isComputePipeline=!0}}_id$9=0;class ProgrammableStage{constructor(e,t,n,s=null,o=null){this.id=_id$9++,this.code=e,this.stage=t,this.name=n,this.transforms=s,this.attributes=o,this.usedTimes=0}}class Pipelines extends DataMap{constructor(e,t){super(),this.backend=e,this.nodes=t,this.bindings=null,this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}getForCompute(e,t){const{backend:s}=this,n=this.get(e);if(this._needsComputeUpdate(e)){const o=n.pipeline;o&&(o.usedTimes--,o.computeProgram.usedTimes--);const a=this.nodes.getForCompute(e);let i=this.programs.compute.get(a.computeShader);i===0[0]&&(o&&o.computeProgram.usedTimes===0&&this._releaseProgram(o.computeProgram),i=new ProgrammableStage(a.computeShader,"compute",e.name,a.transforms,a.nodeAttributes),this.programs.compute.set(a.computeShader,i),s.createProgram(i));const c=this._getComputeCacheKey(e,i);let r=this.caches.get(c);r===0[0]&&(o&&o.usedTimes===0&&this._releasePipeline(o),r=this._getComputePipeline(e,i,c,t)),r.usedTimes++,i.usedTimes++,n.version=e.version,n.pipeline=r}return n.pipeline}getForRender(e,t=null){const{backend:s}=this,n=this.get(e);

63if(this._needsRenderUpdate(e)){const o=n.pipeline;o&&(o.usedTimes--,o.vertexProgram.usedTimes--,o.fragmentProgram.usedTimes--);const r=e.getNodeBuilderState(),l=e.material?e.material.name:"";let i=this.programs.vertex.get(r.vertexShader);i===0[0]&&(o&&o.vertexProgram.usedTimes===0&&this._releaseProgram(o.vertexProgram),i=new ProgrammableStage(r.vertexShader,"vertex",l),this.programs.vertex.set(r.vertexShader,i),s.createProgram(i));let a=this.programs.fragment.get(r.fragmentShader);a===0[0]&&(o&&o.fragmentProgram.usedTimes===0&&this._releaseProgram(o.fragmentProgram),a=new ProgrammableStage(r.fragmentShader,"fragment",l),this.programs.fragment.set(r.fragmentShader,a),s.createProgram(a));const d=this._getRenderCacheKey(e,i,a);let c=this.caches.get(d);c===0[0]?(o&&o.usedTimes===0&&this._releasePipeline(o),c=this._getRenderPipeline(e,i,a,d,t)):e.pipeline=c,c.usedTimes++,i.usedTimes++,a.usedTimes++,n.pipeline=c}return n.pipeline}delete(e){const t=this.get(e).pipeline;return t&&(t.usedTimes--,t.usedTimes===0&&this._releasePipeline(t),t.isComputePipeline?(t.computeProgram.usedTimes--,t.computeProgram.usedTimes===0&&this._releaseProgram(t.computeProgram)):(t.fragmentProgram.usedTimes--,t.vertexProgram.usedTimes--,t.vertexProgram.usedTimes===0&&this._releaseProgram(t.vertexProgram),t.fragmentProgram.usedTimes===0&&this._releaseProgram(t.fragmentProgram))),super.delete(e)}dispose(){super.dispose(),this.caches=new Map,this.programs={vertex:new Map,fragment:new Map,compute:new Map}}updateForRender(e){this.getForRender(e)}_getComputePipeline(e,t,n,s){n=n||this._getComputeCacheKey(e,t);let o=this.caches.get(n);return o===0[0]&&(o=new ComputePipeline(n,t),this.caches.set(n,o),this.backend.createComputePipeline(o,s)),o}_getRenderPipeline(e,t,n,s,o){s=s||this._getRenderCacheKey(e,t,n);let i=this.caches.get(s);return i===0[0]&&(i=new RenderPipeline(s,t,n),this.caches.set(s,i),e.pipeline=i,this.backend.createRenderPipeline(e,o)),i}_getComputeCacheKey(e,t){return e.id+","+t.id}_getRenderCacheKey(e,t,n){return t.id+","+n.id+","+this.backend.getRenderCacheKey(e)}_releasePipeline(e){this.caches.delete(e.cacheKey)}_releaseProgram(e){const t=e.code,n=e.stage;this.programs[n].delete(t)}_needsComputeUpdate(e){const t=this.get(e);return t.pipeline===0[0]||t.version!==e.version}_needsRenderUpdate(e){const t=this.get(e);return t.pipeline===0[0]||this.backend.needsRenderUpdate(e)}}class Bindings extends DataMap{constructor(e,t,n,s,o,i){super(),this.backend=e,this.textures=n,this.pipelines=o,this.attributes=s,this.nodes=t,this.info=i,this.pipelines.bindings=this}getForRender(e){const t=e.getBindings();for(const e of t){const n=this.get(e);n.bindGroup===0[0]&&(this._init(e),this.backend.createBindings(e,t,0),n.bindGroup=e)}return t}getForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t){const n=this.get(e);n.bindGroup===0[0]&&(this._init(e),this.backend.createBindings(e,t,0),n.bindGroup=e)}return t}updateForCompute(e){this._updateBindings(this.getForCompute(e))}updateForRender(e){this._updateBindings(this.getForRender(e))}deleteForCompute(e){const t=this.nodes.getForCompute(e).bindings;for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}deleteForRender(e){const t=e.getBindings();for(const e of t)this.backend.deleteBindGroupData(e),this.delete(e)}_updateBindings(e){for(const t of e)this._update(t,e)}_init(e){for(const t of e.bindings)if(t.isSampledTexture)this.textures.updateTexture(t.texture);else if(t.isSampler)this.textures.updateSampler(t.texture);else if(t.isStorageBuffer){const e=t.attribute,n=e.isIndirectStorageBufferAttribute?AttributeType.INDIRECT:AttributeType.STORAGE;this.attributes.update(e,n)}}_update(e,t){const{backend:i}=this;let s=!1,n=!0,o=0,a=0;for(const t of e.bindings){const r=this.nodes.updateGroup(t);if(r===!1)continue;if(t.isStorageBuffer){const e=t.attribute,n=e.isIndirectStorageBufferAttribute?AttributeType.INDIRECT:AttributeType.STORAGE;this.attributes.update(e,n)}if(t.isUniformBuffer){const e=t.update();e&&i.updateBinding(t)}else if(t.isSampledTexture){{const c=t.update(),e=t.texture,r=this.textures.get(e);c&&(this.textures.updateTexture(e),t.generation!==r.generation&&(t.generation=r.generation,s=!0,n=!1));const l=i.get(e);if(l.externalTexture!==0[0]||r.isDefaultTexture?n=!1:(o=o*10+e.id,a+=e.version),e.isStorageTexture===!0&&e.mipmapsAutoUpdate===!0){const n=this.get(e);t.store===!0?n.needsMipmap=!0:this.textures.needsMipmaps(e)&&n.needsMipmap===!0&&(this.backend.generateMipmaps(e),n.needsMipmap=!1)}}}

63else if(t.isSampler){const e=t.update();if(e){const e=this.textures.updateSampler(t.texture);t.samplerKey!==e&&(t.samplerKey=e,s=!0,n=!1)}}}s===!0&&this.backend.updateBindings(e,t,n?o:0,a)}}function painterSortStable(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?e.z-t.z:e.id-t.id}function reversePainterSortStable(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function needsDoublePass(e){const t=e.transmission>0||e.transmissionNode&&e.transmissionNode.isNode;return t&&e.side===DoubleSide&&e.forceSinglePass===!1}class RenderList{constructor(e,t,n){this.renderItems=[],this.renderItemsIndex=0,this.opaque=[],this.transparentDoublePass=[],this.transparent=[],this.bundles=[],this.lightsNode=e.getNode(t,n),this.lightsArray=[],this.scene=t,this.camera=n,this.occlusionQueryCount=0}begin(){return this.renderItemsIndex=0,this.opaque.length=0,this.transparentDoublePass.length=0,this.transparent.length=0,this.bundles.length=0,this.lightsArray.length=0,this.occlusionQueryCount=0,this}getNextRenderItem(e,t,n,s,o,i,a){let r=this.renderItems[this.renderItemsIndex];return r===0[0]?(r={id:e.id,object:e,geometry:t,material:n,groupOrder:s,renderOrder:e.renderOrder,z:o,group:i,clippingContext:a},this.renderItems[this.renderItemsIndex]=r):(r.id=e.id,r.object=e,r.geometry=t,r.material=n,r.groupOrder=s,r.renderOrder=e.renderOrder,r.z=o,r.group=i,r.clippingContext=a),this.renderItemsIndex++,r}push(e,t,n,s,o,i,a){const r=this.getNextRenderItem(e,t,n,s,o,i,a);e.occlusionTest===!0&&this.occlusionQueryCount++,n.transparent===!0||n.transmission>0||n.transmissionNode&&n.transmissionNode.isNode||n.backdropNode&&n.backdropNode.isNode?(needsDoublePass(n)&&this.transparentDoublePass.push(r),this.transparent.push(r)):this.opaque.push(r)}unshift(e,t,n,s,o,i,a){const r=this.getNextRenderItem(e,t,n,s,o,i,a);n.transparent===!0||n.transmission>0||n.transmissionNode&&n.transmissionNode.isNode||n.backdropNode&&n.backdropNode.isNode?(needsDoublePass(n)&&this.transparentDoublePass.unshift(r),this.transparent.unshift(r)):this.opaque.unshift(r)}pushBundle(e){this.bundles.push(e)}pushLight(e){this.lightsArray.push(e)}sort(e,t){this.opaque.length>1&&this.opaque.sort(e||painterSortStable),this.transparentDoublePass.length>1&&this.transparentDoublePass.sort(t||reversePainterSortStable),this.transparent.length>1&&this.transparent.sort(t||reversePainterSortStable)}finish(){this.lightsNode.setLights(this.lightsArray);for(let t=this.renderItemsIndex,n=this.renderItems.length;t<n;t++){const e=this.renderItems[t];if(e.id===null)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.groupOrder=null,e.renderOrder=null,e.z=null,e.group=null,e.clippingContext=null}}}_chainKeys$4=[];class RenderLists{constructor(e){this.lighting=e,this.lists=new ChainMap}get(e,t){const s=this.lists;_chainKeys$4[0]=e,_chainKeys$4[1]=t;let n=s.get(_chainKeys$4);return n===0[0]&&(n=new RenderList(this.lighting,e,t),s.set(_chainKeys$4,n)),_chainKeys$4.length=0,n}dispose(){this.lists=new ChainMap}}_id$8=0;class RenderContext{constructor(){this.id=_id$8++,this.color=!0,this.clearColor=!0,this.clearColorValue={r:0,g:0,b:0,a:1},this.depth=!0,this.clearDepth=!0,this.clearDepthValue=1,this.stencil=!1,this.clearStencil=!0,this.clearStencilValue=1,this.viewport=!1,this.viewportValue=new Vector4,this.scissor=!1,this.scissorValue=new Vector4,this.renderTarget=null,this.textures=null,this.depthTexture=null,this.activeCubeFace=0,this.activeMipmapLevel=0,this.sampleCount=1,this.width=0,this.height=0,this.occlusionQueryCount=0,this.clippingContext=null,this.isRenderContext=!0}getCacheKey(){return getCacheKey(this)}}function getCacheKey(e){const{textures:n,activeCubeFace:s,activeMipmapLevel:o}=e,t=[s,o];for(const e of n)t.push(e.id);return hashArray(t)}_chainKeys$3=[],_defaultScene=new Scene,_defaultCamera=new Camera;class RenderContexts{constructor(){this.chainMaps={}}get(e,t,n=null,s=null){_chainKeys$3[0]=e,_chainKeys$3[1]=t,s!==null&&(_chainKeys$3[2]=s);let i;if(n===null)i="default";else{const e=n.texture.format,t=n.textures.length;i=`${t}:${e}:${n.samples}:${n.depthBuffer}:${n.stencilBuffer}`}const a=this._getChainMap(i);let o=a.get(_chainKeys$3);return o===0[0]&&(o=new RenderContext,a.set(_chainKeys$3,o)),_chainKeys$3.length=0,n!==null&&(o.sampleCount=n.samples===0?1:n.samples),o}getForClear(e=null){return this.get(_defaultScene,_defaultCamera,e)}_getChainMap(e){return this.chainMaps[e]||(this.chainMaps[e]=new ChainMap)}dispose(){this.chainMaps={}}}_size$3=new Vector3;class Textures extends DataMap{constructor(e,t,n){super(),this.renderer=e,this.backend=t,this.info=n}updateRenderTarget(e,t=0){const s=this.get(e),a=e.samples===0?1:e.samples,c=s.depthTextureMips||(s.depthTextureMips={}),i=e.textures,o=this.getSize(i[0]),l=o.width>>t,d=o.height>>t;let n=e.depthTexture||c[t];const h=e.depthBuffer===!0||e.stencilBuffer===!0;let r=!1;n===0[0]&&h&&(n=new DepthTexture,n.format=e.stencilBuffer?DepthStencilFormat:DepthFormat,n.type=e.stencilBuffer?UnsignedInt248Type:UnsignedIntType,n.image.width=l,n.image.height=d,n.image.depth=o.depth,n.renderTarget=e,n.isArrayTexture=e.multiview===!0&&o.depth>1,c[t]=n),(s.width!==o.width||o.height!==s.height)&&(r=!0,n&&(n.needsUpdate=!0,n.image.width=l,n.image.height=d,n.image.depth=n.isArrayTexture?n.image.depth:1)),s.width=o.width,s.height=o.height,s.textures=i,s.depthTexture=n||null,s.depth=e.depthBuffer,s.stencil=e.stencilBuffer,s.renderTarget=e,s.sampleCount!==a&&(r=!0,n&&(n.needsUpdate=!0),s.sampleCount=a);

63const u={sampleCount:a};if(e.isXRRenderTarget!==!0){for(let e=0;e<i.length;e++){const t=i[e];r&&(t.needsUpdate=!0),this.updateTexture(t,u)}n&&this.updateTexture(n,u)}s.initialized!==!0&&(s.initialized=!0,s.onDispose=()=>{this._destroyRenderTarget(e)},e.addEventListener("dispose",s.onDispose))}updateTexture(e,t={}){const n=this.get(e);if(n.initialized===!0&&n.version===e.version)return;const o=e.isRenderTargetTexture||e.isDepthTexture||e.isFramebufferTexture,s=this.backend;if(o&&n.initialized===!0&&s.destroyTexture(e),e.isFramebufferTexture){const t=this.renderer.getRenderTarget();t?e.type=t.texture.type:e.type=UnsignedByteType}const{width:i,height:a,depth:r}=this.getSize(e);if(t.width=i,t.height=a,t.depth=r,t.needsMipmaps=this.needsMipmaps(e),t.levels=t.needsMipmaps?this.getMipLevels(e,i,a):1,e.isCubeTexture&&e.mipmaps.length>0&&t.levels++,o||e.isStorageTexture===!0||e.isExternalTexture===!0)s.createTexture(e,t),n.generation=e.version;else if(e.version>0){const o=e.image;if(o===0[0])warn("Renderer: Texture marked for update but image is undefined.");else if(o.complete===!1)warn("Renderer: Texture marked for update but image is incomplete.");else{if(e.images){const n=[];for(const t of e.images)n.push(t);t.images=n}else t.image=o;(n.isDefaultTexture===0[0]||n.isDefaultTexture===!0)&&(s.createTexture(e,t),n.isDefaultTexture=!1,n.generation=e.version),e.source.dataReady===!0&&s.updateTexture(e,t);const i=e.isStorageTexture===!0&&e.mipmapsAutoUpdate===!1;t.needsMipmaps&&e.mipmaps.length===0&&!i&&s.generateMipmaps(e),e.onUpdate&&e.onUpdate(e)}}else s.createDefaultTexture(e),n.isDefaultTexture=!0,n.generation=e.version;n.initialized!==!0&&(n.initialized=!0,n.generation=e.version,this.info.memory.textures++,e.isVideoTexture&&ColorManagement.enabled===!0&&ColorManagement.getTransfer(e.colorSpace)!==SRGBTransfer&&warn("WebGPURenderer: Video textures must use a color space with a sRGB transfer function, e.g. SRGBColorSpace."),n.onDispose=()=>{this._destroyTexture(e)},e.addEventListener("dispose",n.onDispose)),n.version=e.version}updateSampler(e){return this.backend.updateSampler(e)}getSize(e,t=_size$3){let n=e.images?e.images[0]:e.image;return n?(n.image!==0[0]&&(n=n.image),typeof HTMLVideoElement!="undefined"&&n instanceof HTMLVideoElement?(t.width=n.videoWidth||1,t.height=n.videoHeight||1,t.depth=1):typeof VideoFrame!="undefined"&&n instanceof VideoFrame?(t.width=n.displayWidth||1,t.height=n.displayHeight||1,t.depth=1):(t.width=n.width||1,t.height=n.height||1,t.depth=e.isCubeTexture?6:n.depth||1)):t.width=t.height=t.depth=1,t}getMipLevels(e,t,n){let s;return e.mipmaps.length>0?s=e.mipmaps.length:e.isCompressedTexture===!0?s=1:s=Math.floor(Math.log2(Math.max(t,n)))+1,s}needsMipmaps(e){return e.generateMipmaps===!0||e.mipmaps.length>0}_destroyRenderTarget(e){if(this.has(e)===!0){const t=this.get(e),n=t.textures,s=t.depthTexture;e.removeEventListener("dispose",t.onDispose);for(let e=0;e<n.length;e++)this._destroyTexture(n[e]);s&&this._destroyTexture(s),this.delete(e),this.backend.delete(e)}}_destroyTexture(e){if(this.has(e)===!0){const t=this.get(e);e.removeEventListener("dispose",t.onDispose);const n=t.isDefaultTexture;this.backend.destroyTexture(e,n),this.delete(e),this.info.memory.textures--}}}class Color4 extends Color{constructor(e,t,n,s=1){super(e,t,n),this.a=s}set(e,t,n,s=1){return this.a=s,super.set(e,t,n)}copy(e){return e.a!==0[0]&&(this.a=e.a),super.copy(e)}clone(){return new this.constructor(this.r,this.g,this.b,this.a)}}class ParameterNode extends PropertyNode{static get type(){return"ParameterNode"}constructor(e,t=null){super(e,t),this.isParameterNode=!0}getMemberType(e,t){const s=this.getNodeType(e),o=e.getStructTypeNode(s);let n;return o!==null?n=o.getMemberType(e,t):(error(`TSL: Member "${t}" not found in struct "${s}".`),n="float"),n}getHash(){return this.uuid}generate(){return this.name}}class StackNode extends Node{static get type(){return"StackNode"}constructor(e=null){super(),this.nodes=[],this.outputNode=null,this.parent=e,this._currentCond=null,this._expressionNode=null,this._currentNode=null,this.isStackNode=!0}getElementType(e){return this.hasOutput?this.outputNode.getElementType(e):"void"}getNodeType(e){return this.hasOutput?this.outputNode.getNodeType(e):"void"}getMemberType(e,t){return this.hasOutput?this.outputNode.getMemberType(e,t):"void"}addToStack(e,t=this.nodes.length){return e.isNode!==!0?(error("TSL: Invalid node added to stack."),this):(this.nodes.splice(t,0,e),this)}addToStackBefore(e){const t=this._currentNode?this.nodes.indexOf(this._currentNode):0;return this.addToStack(e,t)}If(e,t){const n=new ShaderNode(t);return this._currentCond=select(e,n),this.addToStack(this._currentCond)}ElseIf(e,t){const s=new ShaderNode(t),n=select(e,s);return this._currentCond.elseNode=n,this._currentCond=n,this}Else(e){return this._currentCond.elseNode=new ShaderNode(e),this}Switch(e){return this._expressionNode=nodeObject(e),this}Case(...e){const t=[];if(e.length>=2)for(let n=0;n<e.length-1;n++)t.push(this._expressionNode.equal(nodeObject(e[n])));else error("TSL: Invalid parameter length. Case() requires at least two parameters.");const o=e[e.length-1],i=new ShaderNode(o);let n=t[0];for(let e=1;e<t.length;e++)n=n.or(t[e]);const s=select(n,i);return this._currentCond===null?(this._currentCond=s,this.addToStack(this._currentCond)):(this._currentCond.elseNode=s,this._currentCond=s,this)}Default(e){return this.Else(e),this}setup(e){const t=e.getNodeProperties(this);let n=0;for(const s of this.getChildren()){if(s.isVarNode&&s.isIntent(e)&&s.isAssign(e)!==!0)continue;t["node"+n++]=s}return t.outputNode||null}get hasOutput(){return this.outputNode&&this.outputNode.isNode}build(e,...s){const a=getCurrentStack(),t=e.buildStage;setCurrentStack(this),e.setActiveStack(this);const o=n=>{if(this._currentNode=n,n.isVarNode&&n.isIntent(e)&&n.isAssign(e)!==!0)return;if(t==="setup")n.build(e);else if(t==="analyze")n.build(e,this);else if(t==="generate"){const s=e.getDataFromNode(n,"any").stages,t=s&&s[e.shaderStage];if(n.isVarNode&&t&&t.length===1&&t[0]&&t[0].isStackNode)return;n.build(e,"void")}},i=[...this.nodes];for(const e of i)o(e);this._currentNode=null;const r=this.nodes.filter(e=>i.indexOf(e)===-1);for(const e of r)o(e);let n;return this.hasOutput?n=this.outputNode.build(e,...s):n=super.build(e,...s),setCurrentStack(a),e.removeActiveStack(this),n}}stack=nodeProxy(StackNode).setParameterLength(0,1);class BitcastNode extends TempNode{static get type(){return"BitcastNode"}constructor(e,t,n=null){super(),this.valueNode=e,this.conversionType=t,this.inputType=n,this.isBitcastNode=!0}getNodeType(e){if(this.inputType!==null){const t=this.valueNode.getNodeType(e),n=e.getTypeLength(t);return e.getTypeFromLength(n,this.conversionType)}return this.conversionType}generate(e){const n=this.getNodeType(e);let t="";if(this.inputType!==null){const n=this.valueNode.getNodeType(e),s=e.getTypeLength(n);t=s===1?this.inputType:e.changeComponentType(n,this.inputType)}else t=this.valueNode.getNodeType(e);return`${e.getBitcastMethod(n,t)}( ${this.valueNode.build(e,t)} )`}}bitcast=nodeProxyIntent(BitcastNode).setParameterLength(2),floatBitsToUint=e=>new BitcastNode(e,"uint","float"),registeredBitcountFunctions={};class BitcountNode extends MathNode{static get type(){return"BitcountNode"}constructor(e,t){super(e,t),this.isBitcountNode=!0}_resolveElementType(e,t,n){n==="int"?t.assign(bitcast(e,"uint")):t.assign(e)}_returnDataNode(e){switch(e){case"uint":return uint;case"int":return int;case"uvec2":return uvec2;case"uvec3":return uvec3;case"uvec4":return uvec4;case"ivec2":return ivec2;case"ivec3":return ivec3;case"ivec4":return ivec4}}_createTrailingZerosBaseLayout(e,t){const n=this._returnDataNode(t),s=Fn(([e])=>{const s=uint(0);this._resolveElementType(e,s,t);const o=float(s.bitAnd(negate(s))),i=floatBitsToUint(o),a=i.shiftRight(23).sub(127);return n(a)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]});return s}_createLeadingZerosBaseLayout(e,t){const n=this._returnDataNode(t),s=Fn(([e])=>{If(e.equal(uint(0)),()=>uint(32));const s=uint(0),o=uint(0);return this._resolveElementType(e,s,t),If(s.shiftRight(16).equal(0),()=>{o.addAssign(16),s.shiftLeftAssign(16)}),If(s.shiftRight(24).equal(0),()=>{o.addAssign(8),s.shiftLeftAssign(8)}),If(s.shiftRight(28).equal(0),()=>{o.addAssign(4),s.shiftLeftAssign(4)}),If(s.shiftRight(30).equal(0),()=>{o.addAssign(2),s.shiftLeftAssign(2)}),If(s.shiftRight(31).equal(0),()=>{o.addAssign(1)}),n(o)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]});return s}_createOneBitsBaseLayout(e,t){const n=this._returnDataNode(t),s=Fn(([e])=>{const s=uint(0);this._resolveElementType(e,s,t),s.assign(s.sub(s.shiftRight(uint(1)).bitAnd(uint(1431655765)))),s.assign(s.bitAnd(uint(858993459)).add(s.shiftRight(uint(2)).bitAnd(uint(858993459))));const o=s.add(s.shiftRight(uint(4))).bitAnd(uint(252645135)).mul(uint(16843009)).shiftRight(uint(24));return n(o)}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]});return s}_createMainLayout(e,t,n,s){const o=this._returnDataNode(t),i=Fn(([e])=>{if(n===1)return o(s(e));const t=o(0),i=["x","y","z","w"];for(let o=0;o<n;o++){const a=i[o];t[a].assign(s(e[a]))}return t}).setLayout({name:e,type:t,inputs:[{name:"value",type:t}]});return i}setup(e){const{method:a,aNode:c}=this,{renderer:l}=e;if(l.backend.isWebGPUBackend)return super.setup(e);const s=this.getInputType(e),o=e.getElementType(s),d=e.getTypeLength(s),n=`${a}_base_${o}`,r=`${a}_${s}`;let t=registeredBitcountFunctions[n];if(t===0[0]){switch(a){case BitcountNode.COUNT_LEADING_ZEROS:{t=this._createLeadingZerosBaseLayout(n,o);break}case BitcountNode.COUNT_TRAILING_ZEROS:{t=this._createTrailingZerosBaseLayout(n,o);break}case BitcountNode.COUNT_ONE_BITS:{t=this._createOneBitsBaseLayout(n,o);break}}registeredBitcountFunctions[n]=t}let i=registeredBitcountFunctions[r];i===0[0]&&(i=this._createMainLayout(r,s,d,t),registeredBitcountFunctions[r]=i);const u=Fn(()=>i(c));return u()}}

63BitcountNode.COUNT_TRAILING_ZEROS="countTrailingZeros",BitcountNode.COUNT_LEADING_ZEROS="countLeadingZeros",BitcountNode.COUNT_ONE_BITS="countOneBits",_reflectorPlane=new Plane,_normal=new Vector3,_reflectorWorldPosition=new Vector3,_cameraWorldPosition=new Vector3,_rotationMatrix=new Matrix4,_lookAtPosition=new Vector3(0,0,-1),clipPlane=new Vector4,_view=new Vector3,_target2=new Vector3,_q=new Vector4,_size$2=new Vector2,_defaultRT=new RenderTarget,_defaultUV=screenUV.flipX(),_defaultRT.depthTexture=new DepthTexture(1,1),_camera=new OrthographicCamera(-1,1,1,-1,0,1);class QuadGeometry extends BufferGeometry{constructor(e=!1){super();const t=e===!1?[0,-1,0,1,2,1]:[0,2,0,0,2,0];this.setAttribute("position",new Float32BufferAttribute([-1,3,0,-1,-1,0,3,-1,0],3)),this.setAttribute("uv",new Float32BufferAttribute(t,2))}}_geometry=new QuadGeometry;class QuadMesh extends Mesh{constructor(e=null){super(_geometry,e),this.camera=_camera,this.isQuadMesh=!0}async renderAsync(e){warnOnce('QuadMesh: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await e.init(),e.render(this,_camera)}render(e){e.render(this,_camera)}}interleavedGradientNoise=Fn(([e])=>fract(float(52.9829189).mul(fract(dot(e,vec2(.06711056,.00583715)))))).setLayout({name:"interleavedGradientNoise",type:"float",inputs:[{name:"position",type:"vec2"}]}),vogelDiskSample=Fn(([e,t,n])=>{const o=float(2.399963229728653),i=sqrt(float(e).add(.5).div(float(t))),s=float(e).mul(o).add(n);return vec2(cos(s),sin(s)).mul(i)}).setLayout({name:"vogelDiskSample",type:"vec2",inputs:[{name:"sampleIndex",type:"int"},{name:"samplesCount",type:"int"},{name:"phi",type:"float"}]});class EventNode extends Node{static get type(){return"EventNode"}constructor(e,t){super("void"),this.eventType=e,this.callback=t,e===EventNode.OBJECT?this.updateType=NodeUpdateType.OBJECT:e===EventNode.MATERIAL?this.updateType=NodeUpdateType.RENDER:e===EventNode.BEFORE_OBJECT?this.updateBeforeType=NodeUpdateType.OBJECT:e===EventNode.BEFORE_MATERIAL&&(this.updateBeforeType=NodeUpdateType.RENDER)}update(e){this.callback(e)}updateBefore(e){this.callback(e)}}EventNode.OBJECT="object",EventNode.MATERIAL="material",EventNode.BEFORE_OBJECT="beforeObject",EventNode.BEFORE_MATERIAL="beforeMaterial",_e1=new Euler,_m12=new Matrix4;class SceneNode extends Node{static get type(){return"SceneNode"}constructor(e=SceneNode.BACKGROUND_BLURRINESS,t=null){super(),this.scope=e,this.scene=t}setup(e){const t=this.scope,n=this.scene!==null?this.scene:e.scene;let s;return t===SceneNode.BACKGROUND_BLURRINESS?s=reference("backgroundBlurriness","float",n):t===SceneNode.BACKGROUND_INTENSITY?s=reference("backgroundIntensity","float",n):t===SceneNode.BACKGROUND_ROTATION?s=uniform("mat4").setName("backgroundRotation").setGroup(renderGroup).onRenderUpdate(()=>{const e=n.background;return e!==null&&e.isTexture&&e.mapping!==UVMapping?(_e1.copy(n.backgroundRotation),_e1.x*=-1,_e1.y*=-1,_e1.z*=-1,_m12.makeRotationFromEuler(_e1)):_m12.identity(),_m12}):error("SceneNode: Unknown scope:",t),s}}SceneNode.BACKGROUND_BLURRINESS="backgroundBlurriness",SceneNode.BACKGROUND_INTENSITY="backgroundIntensity",SceneNode.BACKGROUND_ROTATION="backgroundRotation",backgroundBlurriness=nodeImmutable(SceneNode,SceneNode.BACKGROUND_BLURRINESS),backgroundIntensity=nodeImmutable(SceneNode,SceneNode.BACKGROUND_INTENSITY),backgroundRotation=nodeImmutable(SceneNode,SceneNode.BACKGROUND_ROTATION),normal=Fn(({texture:e,uv:t})=>{const s=1e-4,n=vec3().toVar();return If(t.x.lessThan(s),()=>{n.assign(vec3(1,0,0))}).ElseIf(t.y.lessThan(s),()=>{n.assign(vec3(0,1,0))}).ElseIf(t.z.lessThan(s),()=>{n.assign(vec3(0,0,1))}).ElseIf(t.x.greaterThan(1-s),()=>{n.assign(vec3(-1,0,0))}).ElseIf(t.y.greaterThan(1-s),()=>{n.assign(vec3(0,-1,0))}).ElseIf(t.z.greaterThan(1-s),()=>{n.assign(vec3(0,0,-1))}).Else(()=>{const s=.01,o=e.sample(t.add(vec3(-s,0,0))).r.sub(e.sample(t.add(vec3(s,0,0))).r),i=e.sample(t.add(vec3(0,-s,0))).r.sub(e.sample(t.add(vec3(0,s,0))).r),a=e.sample(t.add(vec3(0,0,-s))).r.sub(e.sample(t.add(vec3(0,0,s))).r);n.assign(vec3(o,i,a))}),n.normalize()});class Texture3DNode extends TextureNode{static get type(){return"Texture3DNode"}constructor(e,t=null,n=null){super(e,t,n),this.isTexture3DNode=!0}getInputType(){return"texture3D"}getDefaultUV(){return vec3(.5,.5,.5)}setUpdateMatrix(){}setupUV(e,t){const n=this.value;return e.isFlipY()&&(n.isRenderTargetTexture===!0||n.isFramebufferTexture===!0)&&(this.sampler?t=t.flipY():t=t.setY(int(textureSize(this,this.levelNode).y).sub(t.y).sub(1))),t}generateUV(e,t){return t.build(e,this.sampler===!0?"vec3":"ivec3")}generateOffset(e,t){return t.build(e,"ivec3")}normal(e){return normal({texture:this,uv:e})}}texture3D=nodeProxy(Texture3DNode).setParameterLength(1,3),_objectData=new WeakMap,_size=new Vector2;class PassTextureNode extends TextureNode{static get type(){return"PassTextureNode"}constructor(e,t){super(t),this.passNode=e,this.setUpdateMatrix(!1)}setup(e){return this.passNode.build(e),super.setup(e)}clone(){return new this.constructor(this.passNode,this.value)}}class PassMultipleTextureNode extends PassTextureNode{static get type(){return"PassMultipleTextureNode"}constructor(e,t,n=!1){super(e,null),this.textureName=t,this.previousTexture=n}updateTexture(){this.value=this.previousTexture?this.passNode.getPreviousTexture(this.textureName):this.passNode.getTexture(this.textureName)}setup(e){return this.updateTexture(),super.setup(e)}clone(){const e=new this.constructor(this.passNode,this.textureName,this.previousTexture);return e.uvNode=this.uvNode,e.levelNode=this.levelNode,e.biasNode=this.biasNode,e.sampler=this.sampler,e.depthNode=this.depthNode,e.compareNode=this.compareNode,e.gradNode=this.gradNode,e.offsetNode=this.offsetNode,e}}class PassNode extends TempNode{static get type(){return"PassNode"}constructor(e,t,n,s={}){super("vec4"),this.scope=e,this.scene=t,this.camera=n,this.options=s,this._pixelRatio=1,this._width=1,this._height=1;const o=new DepthTexture;o.isRenderTargetTexture=!0,o.name="depth";const i=new RenderTarget(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:HalfFloatType,...s});i.texture.name="output",i.depthTexture=o,this.renderTarget=i,this.overrideMaterial=null,this.transparent=!0,this.opaque=!0,this.contextNode=null,this._contextNodeCache=null,this._textures={output:i.texture,depth:o},this._textureNodes={},this._linearDepthNodes={},this._viewZNodes={},this._previousTextures={},this._previousTextureNodes={},this._cameraNear=uniform(0),this._cameraFar=uniform(0),this._mrt=null,this._layers=null,this._resolutionScale=1,this._viewport=null,this._scissor=null,this.isPassNode=!0,this.updateBeforeType=NodeUpdateType.FRAME,this.global=!0}setResolutionScale(e){return this._resolutionScale=e,this}getResolutionScale(){return this._resolutionScale}setResolution(e){return warn("PassNode: .setResolution() is deprecated. Use .setRe

63solutionScale() instead."),this.setResolutionScale(e)}getResolution(){return warn("PassNode: .getResolution() is deprecated. Use .getResolutionScale() instead."),this.getResolutionScale()}setLayers(e){return this._layers=e,this}getLayers(){return this._layers}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getTexture(e){let t=this._textures[e];if(t===0[0]){const n=this.renderTarget.texture;t=n.clone(),t.name=e,this._textures[e]=t,this.renderTarget.textures.push(t)}return t}getPreviousTexture(e){let t=this._previousTextures[e];return t===0[0]&&(t=this.getTexture(e).clone(),this._previousTextures[e]=t),t}toggleTexture(e){const t=this._previousTextures[e];if(t!==0[0]){const n=this._textures[e],s=this.renderTarget.textures.indexOf(n);this.renderTarget.textures[s]=t,this._textures[e]=t,this._previousTextures[e]=n,this._textureNodes[e].updateTexture(),this._previousTextureNodes[e].updateTexture()}}getTextureNode(e="output"){let t=this._textureNodes[e];return t===0[0]&&(t=new PassMultipleTextureNode(this,e),t.updateTexture(),this._textureNodes[e]=t),t}getPreviousTextureNode(e="output"){let t=this._previousTextureNodes[e];return t===0[0]&&(this._textureNodes[e]===0[0]&&this.getTextureNode(e),t=new PassMultipleTextureNode(this,e,!0),t.updateTexture(),this._previousTextureNodes[e]=t),t}getViewZNode(e="depth"){let t=this._viewZNodes[e];if(t===0[0]){const n=this._cameraNear,s=this._cameraFar;this._viewZNodes[e]=t=perspectiveDepthToViewZ(this.getTextureNode(e),n,s)}return t}getLinearDepthNode(e="depth"){let t=this._linearDepthNodes[e];if(t===0[0]){const n=this._cameraNear,s=this._cameraFar,o=this.getViewZNode(e);this._linearDepthNodes[e]=t=viewZToOrthographicDepth(o,n,s)}return t}async compileAsync(e){const t=e.getRenderTarget(),n=e.getMRT();e.setRenderTarget(this.renderTarget),e.setMRT(this._mrt),await e.compileAsync(this.scene,this.camera),e.setRenderTarget(t),e.setMRT(n)}setup({renderer:e}){return this.renderTarget.samples=this.options.samples===0[0]?e.samples:this.options.samples,this.renderTarget.texture.type=e.getOutputBufferType(),this.scope===PassNode.COLOR?this.getTextureNode():this.getLinearDepthNode()}updateBefore(e){const{renderer:t}=e,{scene:s}=this;let n,i;const o=t.getOutputRenderTarget();o&&o.isXRRenderTarget===!0?(i=1,n=t.xr.getCamera(),t.xr.updateCamera(n),_size.set(o.width,o.height)):(n=this.camera,i=t.getPixelRatio(),t.getSize(_size)),this._pixelRatio=i,this.setSize(_size.width,_size.height);const r=t.getRenderTarget(),a=t.getMRT(),c=t.autoClear,l=t.transparent,d=t.opaque,u=n.layers.mask,h=t.contextNode,m=s.overrideMaterial;this._cameraNear.value=n.near,this._cameraFar.value=n.far,this._layers!==null&&(n.layers.mask=this._layers.mask);for(const e in this._previousTextures)this.toggleTexture(e);this.overrideMaterial!==null&&(s.overrideMaterial=this.overrideMaterial),t.setRenderTarget(this.renderTarget),t.setMRT(this._mrt),t.autoClear=!0,t.transparent=this.transparent,t.opaque=this.opaque,this.contextNode!==null&&((this._contextNodeCache===null||this._contextNodeCache.version!==this.version)&&(this._contextNodeCache={version:this.version,context:context({...t.contextNode.getFlowContextData(),...this.contextNode.getFlowContextData()})}),t.contextNode=this._contextNodeCache.context);const f=s.name;s.name=this.name?this.name:s.name,t.render(s,n),s.name=f,s.overrideMaterial=m,t.setRenderTarget(r),t.setMRT(a),t.autoClear=c,t.transparent=l,t.opaque=d,t.contextNode=h,n.layers.mask=u}setSize(e,t){this._width=e,this._height=t;const n=Math.floor(this._width*this._pixelRatio*this._resolutionScale),s=Math.floor(this._height*this._pixelRatio*this._resolutionScale);this.renderTarget.setSize(n,s),this._scissor!==null&&this.renderTarget.scissor.copy(this._scissor),this._viewport!==null&&this.renderTarget.viewport.copy(this._viewport)}setScissor(e,t,n,s){e===null?this._scissor=null:(this._scissor===null&&(this._scissor=new Vector4),e.isVector4?this._scissor.copy(e):this._scissor.set(e,t,n,s),this._scissor.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setViewport(e,t,n,s){e===null?this._viewport=null:(this._viewport===null&&(this._viewport=new Vector4),e.isVector4?this._viewport.copy(e):this._viewport.set(e,t,n,s),this._viewport.multiplyScalar(this._pixelRatio*this._resolutionScale).floor())}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget.dispose()}}PassNode.COLOR="color",PassNode.DEPTH="depth",linearToneMapping=Fn(([e,t])=>

63e.mul(t).clamp()).setLayout({name:"linearToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),reinhardToneMapping=Fn(([e,t])=>(e=e.mul(t),e.div(e.add(1)).clamp())).setLayout({name:"reinhardToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),cineonToneMapping=Fn(([e,t])=>{e=e.mul(t),e=e.sub(.004).max(0);const n=e.mul(e.mul(6.2).add(.5)),s=e.mul(e.mul(6.2).add(1.7)).add(.06);return n.div(s).pow(2.2)}).setLayout({name:"cineonToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),RRTAndODTFit=Fn(([e])=>{const t=e.mul(e.add(.0245786)).sub(90537e-9),n=e.mul(e.add(.432951).mul(.983729)).add(.238081);return t.div(n)}),acesFilmicToneMapping=Fn(([e,t])=>{const n=mat3(.59719,.35458,.04823,.076,.90834,.01566,.0284,.13383,.83777),s=mat3(1.60475,-.53108,-.07367,-.10208,1.10813,-.00605,-.00327,-.07276,1.07602);return e=e.mul(t).div(.6),e=n.mul(e),e=RRTAndODTFit(e),e=s.mul(e),e.clamp()}).setLayout({name:"acesFilmicToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),LINEAR_REC2020_TO_LINEAR_SRGB=mat3(vec3(1.6605,-.1246,-.0182),vec3(-.5876,1.1329,-.1006),vec3(-.0728,-.0083,1.1187)),LINEAR_SRGB_TO_LINEAR_REC2020=mat3(vec3(.6274,.0691,.0164),vec3(.3293,.9195,.088),vec3(.0433,.0113,.8956)),agxDefaultContrastApprox=Fn(([e])=>{const t=vec3(e).toVar(),n=vec3(t.mul(t)).toVar(),s=vec3(n.mul(n)).toVar();return float(15.5).mul(s.mul(n)).sub(mul(40.14,s.mul(t))).add(mul(31.96,s).sub(mul(6.868,n.mul(t))).add(mul(.4298,n).add(mul(.1191,t).sub(.00232))))}),agxToneMapping=Fn(([e,t])=>{const n=vec3(e).toVar(),o=mat3(vec3(.856627153315983,.137318972929847,.11189821299995),vec3(.0951212405381588,.761241990602591,.0767994186031903),vec3(.0482516061458583,.101439036467562,.811302368396859)),i=mat3(vec3(1.1271005818144368,-.1413297634984383,-.14132976349843826),vec3(-.11060664309660323,1.157823702216272,-.11060664309660294),vec3(-.016493938717834573,-.016493938717834257,1.2519364065950405)),s=float(-12.47393),a=float(4.026069);return n.mulAssign(t),n.assign(LINEAR_SRGB_TO_LINEAR_REC2020.mul(n)),n.assign(o.mul(n)),n.assign(max$1(n,.1e-9)),n.assign(log22(n)),n.assign(n.sub(s).div(a.sub(s))),n.assign(clamp2(n,0,1)),n.assign(agxDefaultContrastApprox(n)),n.assign(i.mul(n)),n.assign(pow(max$1(vec3(0),n),vec3(2.2))),n.assign(LINEAR_REC2020_TO_LINEAR_SRGB.mul(n)),n.assign(clamp2(n,0,1)),n}).setLayout({name:"agxToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]}),neutralToneMapping=Fn(([e,t])=>{const o=float(.8-.04),r=float(.15);e=e.mul(t);const n=min$1(e.r,min$1(e.g,e.b)),c=select(n.lessThan(.08),n.sub(mul(6.25,n.mul(n))),.04);e.subAssign(c);const s=max$1(e.r,max$1(e.g,e.b));If(s.lessThan(o),()=>e);const i=sub(1,o),a=sub(1,i.mul(i).div(s.add(i.sub(o))));e.mulAssign(a.div(s));const l=sub(1,div(1,r.mul(s.sub(a)).add(1)));return mix(e,vec3(a),l)}).setLayout({name:"neutralToneMapping",type:"vec3",inputs:[{name:"color",type:"vec3"},{name:"exposure",type:"float"}]});class CodeNode extends Node{static get type(){return"CodeNode"}constructor(e="",t=[],n=""){super("code"),this.isCodeNode=!0,this.global=!0,this.code=e,this.includes=t,this.language=n}setIncludes(e){return this.includes=e,this}getIncludes(){return this.includes}generate(e){const n=this.getIncludes(e);for(const t of n)t.build(e);const t=e.getCodeFromNode(this,this.getNodeType(e));return t.code=this.code,t.code}serialize(e){super.serialize(e),e.code=this.code,e.language=this.language}deserialize(e){super.deserialize(e),this.code=e.code,this.language=e.language}}class FunctionNode extends CodeNode{static get type(){return"FunctionNode"}constructor(e="",t=[],n=""){super(e,t,n)}getNodeType(e){return this.getNodeFunction(e).type}getMemberType(e,t){const n=this.getNodeType(e),s=e.getStructTypeNode(n);return s.getMemberType(e,t)}getInputs(e){return this.getNodeFunction(e).inputs}getNodeFunction(e){const n=e.getDataFromNode(this);let t=n.nodeFunction;return t===0[0]&&(t=e.parser.parseFunction(this.code),n.nodeFunction=t),t}generate(e,t){super.generate(e);const o=this.getNodeFunction(e),i=o.name,a=o.type,n=e.getCodeFromNode(this,a);i!==""&&(n.name=i);const s=e.getPropertyName(n),r=this.getNodeFunction(e).getCode(s);return n.code=r+`
64`,t==="property"?s:e.format(`${s}()`,a,t)}}class Resources extends Map{get(e,t=null,...n){if(this.has(e))return super.get(e);if(t!==null){const s=t(...n);return this.set(e,s),s}}}ScriptableNodeResources=new Resources;function getViewZNode(e){let t;const n=e.context.getViewZ;return n!==0[0]&&(t=n(this)),(t||positionView.z).negate()}rangeFogFactor=Fn(([e,t],n)=>{const s=getViewZNode(n);

64return smoothstep2(e,t,s)}),densityFogFactor=Fn(([e],t)=>{const n=getViewZNode(t);return e.mul(e,n,n).negate().exp().oneMinus()}),fog=Fn(([e,t])=>vec4(t.toFloat().mix(output.rgb,e.toVec3()),output.a));class BarrierNode extends Node{constructor(e){super(),this.scope=e}generate(e){const{scope:t}=this,{renderer:n}=e;n.backend.isWebGLBackend===!0?e.addFlowCode(`	// ${t}Barrier 
65`):e.addLineFlowCode(`${t}Barrier()`,this)}}barrier=nodeProxy(BarrierNode);class AtomicFunctionNode extends Node{static get type(){return"AtomicFunctionNode"}constructor(e,t,n){super("uint"),this.method=e,this.pointerNode=t,this.valueNode=n,this.parents=!0}getInputType(e){return this.pointerNode.getNodeType(e)}getNodeType(e){return this.getInputType(e)}generate(e){const t=e.getNodeProperties(this),n=t.parents,c=this.method,o=this.getNodeType(e),i=this.getInputType(e),l=this.pointerNode,a=this.valueNode,s=[];s.push(`&${l.build(e,i)}`),a!==null&&s.push(a.build(e,i));const r=`${e.getMethod(c,o)}( ${s.join(", ")} )`,d=!!n&&n.length===1&&n[0].isStackNode===!0;if(d)e.addLineFlowCode(r,this);else return t.constNode===0[0]&&(t.constNode=expression(r,o).toConst()),t.constNode.build(e)}}AtomicFunctionNode.ATOMIC_LOAD="atomicLoad",AtomicFunctionNode.ATOMIC_STORE="atomicStore",AtomicFunctionNode.ATOMIC_ADD="atomicAdd",AtomicFunctionNode.ATOMIC_SUB="atomicSub",AtomicFunctionNode.ATOMIC_MAX="atomicMax",AtomicFunctionNode.ATOMIC_MIN="atomicMin",AtomicFunctionNode.ATOMIC_AND="atomicAnd",AtomicFunctionNode.ATOMIC_OR="atomicOr",AtomicFunctionNode.ATOMIC_XOR="atomicXor",atomicNode=nodeProxy(AtomicFunctionNode);class SubgroupFunctionNode extends TempNode{static get type(){return"SubgroupFunctionNode"}constructor(e,t=null,n=null){super(),this.method=e,this.aNode=t,this.bNode=n}getInputType(e){const t=this.aNode?this.aNode.getNodeType(e):null,n=this.bNode?this.bNode.getNodeType(e):null,s=e.isMatrix(t)?0:e.getTypeLength(t),o=e.isMatrix(n)?0:e.getTypeLength(n);return s>o?t:n}getNodeType(e){const t=this.method;return t===SubgroupFunctionNode.SUBGROUP_ELECT?"bool":t===SubgroupFunctionNode.SUBGROUP_BALLOT?"uvec4":this.getInputType(e)}generate(e,t){const n=this.method,o=this.getNodeType(e),r=this.getInputType(e),a=this.aNode,i=this.bNode,s=[];if(n===SubgroupFunctionNode.SUBGROUP_BROADCAST||n===SubgroupFunctionNode.SUBGROUP_SHUFFLE||n===SubgroupFunctionNode.QUAD_BROADCAST){const t=i.getNodeType(e);

65s.push(a.build(e,o),i.build(e,t==="float"?"int":o))}else n===SubgroupFunctionNode.SUBGROUP_SHUFFLE_XOR||n===SubgroupFunctionNode.SUBGROUP_SHUFFLE_DOWN||n===SubgroupFunctionNode.SUBGROUP_SHUFFLE_UP?s.push(a.build(e,o),i.build(e,"uint")):(a!==null&&s.push(a.build(e,r)),i!==null&&s.push(i.build(e,r)));const c=s.length===0?"()":`( ${s.join(", ")} )`;return e.format(`${e.getMethod(n,o)}${c}`,o,t)}serialize(e){super.serialize(e),e.method=this.method}deserialize(e){super.deserialize(e),this.method=e.method}}SubgroupFunctionNode.SUBGROUP_ELECT="subgroupElect",SubgroupFunctionNode.SUBGROUP_BALLOT="subgroupBallot",SubgroupFunctionNode.SUBGROUP_ADD="subgroupAdd",SubgroupFunctionNode.SUBGROUP_INCLUSIVE_ADD="subgroupInclusiveAdd",SubgroupFunctionNode.SUBGROUP_EXCLUSIVE_AND="subgroupExclusiveAdd",SubgroupFunctionNode.SUBGROUP_MUL="subgroupMul",SubgroupFunctionNode.SUBGROUP_INCLUSIVE_MUL="subgroupInclusiveMul",SubgroupFunctionNode.SUBGROUP_EXCLUSIVE_MUL="subgroupExclusiveMul",SubgroupFunctionNode.SUBGROUP_AND="subgroupAnd",SubgroupFunctionNode.SUBGROUP_OR="subgroupOr",SubgroupFunctionNode.SUBGROUP_XOR="subgroupXor",SubgroupFunctionNode.SUBGROUP_MIN="subgroupMin",SubgroupFunctionNode.SUBGROUP_MAX="subgroupMax",SubgroupFunctionNode.SUBGROUP_ALL="subgroupAll",SubgroupFunctionNode.SUBGROUP_ANY="subgroupAny",SubgroupFunctionNode.SUBGROUP_BROADCAST_FIRST="subgroupBroadcastFirst",SubgroupFunctionNode.QUAD_SWAP_X="quadSwapX",SubgroupFunctionNode.QUAD_SWAP_Y="quadSwapY",SubgroupFunctionNode.QUAD_SWAP_DIAGONAL="quadSwapDiagonal",SubgroupFunctionNode.SUBGROUP_BROADCAST="subgroupBroadcast",SubgroupFunctionNode.SUBGROUP_SHUFFLE="subgroupShuffle",SubgroupFunctionNode.SUBGROUP_SHUFFLE_XOR="subgroupShuffleXor",SubgroupFunctionNode.SUBGROUP_SHUFFLE_UP="subgroupShuffleUp",SubgroupFunctionNode.SUBGROUP_SHUFFLE_DOWN="subgroupShuffleDown",SubgroupFunctionNode.QUAD_BROADCAST="quadBroadcast";function getLightData(e){uniformsLib=uniformsLib||new WeakMap;let t=uniformsLib.get(e);return t===0[0]&&uniformsLib.set(e,t={}),t}function lightShadowMatrix(e){const t=getLightData(e);return t.shadowMatrix||(t.shadowMatrix=uniform("mat4").setGroup(renderGroup).onRenderUpdate(t=>((e.castShadow!==!0||t.renderer.shadowMap.enabled===!1)&&(e.shadow.camera.coordinateSystem!==t.camera.coordinateSystem&&(e.shadow.camera.coordinateSystem=t.camera.coordinateSystem,e.shadow.camera.updateProjectionMatrix()),e.shadow.updateMatrices(e)),e.shadow.matrix)))}function lightProjectionUV(e,t=positionWorld){const n=lightShadowMatrix(e).mul(t),s=n.xyz.div(n.w);return s}function lightPosition(e){const t=getLightData(e);return t.position||(t.position=uniform(new Vector3).setGroup(renderGroup).onRenderUpdate((t,n)=>n.value.setFromMatrixPosition(e.matrixWorld)))}function lightTargetPosition(e){const t=getLightData(e);return t.targetPosition||(t.targetPosition=uniform(new Vector3).setGroup(renderGroup).onRenderUpdate((t,n)=>n.value.setFromMatrixPosition(e.target.matrixWorld)))}function lightViewPosition(e){const t=getLightData(e);return t.viewPosition||(t.viewPosition=uniform(new Vector3).setGroup(renderGroup).onRenderUpdate(({camera:t},n)=>{n.value=n.value||new Vector3,n.value.setFromMatrixPosition(e.matrixWorld),n.value.applyMatrix4(t.matrixWorldInverse)}))}lightTargetDirection=e=>cameraViewMatrix.transformDirection(lightPosition(e).sub(lightTargetPosition(e))),sortLights=e=>e.sort((e,t)=>e.id-t.id),getLightNodeById=(e,t)=>{for(const n of t)if(n.isAnalyticLightNode&&n.light.id===e)return n;return null},_lightsNodeRef=new WeakMap,_hashData=[];class LightsNode extends Node{static get type(){return"LightsNode"}constructor(){super("vec3"),this.totalDiffuseNode=property("vec3","totalDiffuse"),this.totalSpecularNode=property("vec3","totalSpecular"),this.outgoingLightNode=property("vec3","outgoingLight"),this._lights=[],this._lightNodes=null,this._lightNodesHash=null,this.global=!0}customCacheKey(){const e=this._lights;for(let n=0;n<e.length;n++){const t=e[n];if(_hashData.push(t.id),_hashData.push(t.castShadow?1:0),t.isSpotLight===!0){const e=t.map!==null?t.map.id:-1,n=t.colorNode?t.colorNode.getCacheKey():-1;_hashData.push(e,n)}}const t=hashArray(_hashData);return _hashData.length=0,t}getHash(e){if(this._lightNodesHash===null){this._lightNodes===null&&this.setupLightsNode(e);const t=[];for(const e of this._lightNodes)t.push(e.getHash());this._lightNodesHash="lights-"+t.join(",")}return this._lightNodesHash}analyze(e){const t=e.getNodeProperties(this);for(const n of t.nodes)n.build(e);t.outputNode.build(e)}setupLightsNode(e){const t=[],n=this._lightNodes,s=sortLights(this._lights),o=e.renderer.library;for(const e of s)if(e.isNode)t.push(nodeObject(e));else{let s=null;if(n!==null&&(s=getLightNodeById(e.id,n)),s===null){const s=o.getLightNodeClass(e.constructor);if(s===null){warn(`LightsNode.setupNodeLights: Light node not found for ${e.constructor.name}`);continue}let n=null;_lightsNodeRef.has(e)?n=_lightsNodeRef.get(e):(n=new s(e),_lightsNodeRef.set(e,n)),t.push(n)}}this._lightNodes=t}setupDirectLight(e,t,n){const{lightingModel:s,reflectedLight:o}=e.context;s.direct({...n,lightNode:t,reflectedLight:o},e)}setupDirectRectAreaLight(e,t,n){const{lightingModel:s,reflectedLight:o}=e.context;s.directRectArea({...n,lightNode:t,reflectedLight:o},e)}setupLights(e,t){for(const n of t)n.build(e)}getLightNodes(e){return this._lightNodes===null&&this.setupLightsNode(e),this._lightNodes}setup(e){const i=e.lightsNode;e.lightsNode=this;let t=this.outgoingLightNode;const n=e.context,s=n.lightingModel,o=e.getNodeProperties(this);if(s){const{totalDiffuseNode:r,totalSpecularNode:c}=this;n.outgoingLight=t;const d=e.addStack();o.nodes=d.nodes,s.start(e);const{backdrop:a,backdropAlpha:l}=n,{directDiffuse:u,directSpecular:h,indirectDiffuse:m,indirectSpecular:f}=n.reflectedLight;let i=u.add(m);a!==null&&(l!==null?i=vec3(l.mix(i,a)):i=vec3(a)),r.assign(i),c.assign(h.add(f)),t.assign(r.add(c)),s.finish(e),t=t.bypass(e.removeStack())}else o.nodes=[];return e.lightsNode=i,t}setLights(e){return this._lights=e,this._lightNodes=null,this._lightNodesHash=null,this}getLights(){return this._lights}get hasLights(){return this._lights.length>0}}class ShadowBaseNode extends Node{static get type(){return"ShadowBaseNode"}constructor(e){super(),this.light=e,this.updateBeforeType=NodeUpdateType.RENDER,this.isShadowBaseNode=!0}setupShadowPosition({context:e,material:t}){shadowPositionWorld.assign(t.receivedShadowPositionNode||e.shadowPositionWorld||positionWorld)}}shadowPositionWorld=property("vec3","shadowPositionWorld");function saveRendererState(e,t={}){return t.toneMapping=e.toneMapping,t.toneMappingExposure=e.toneMappingExposure,t.outputColorSpace

65=e.outputColorSpace,t.renderTarget=e.getRenderTarget(),t.activeCubeFace=e.getActiveCubeFace(),t.activeMipmapLevel=e.getActiveMipmapLevel(),t.renderObjectFunction=e.getRenderObjectFunction(),t.pixelRatio=e.getPixelRatio(),t.mrt=e.getMRT(),t.clearColor=e.getClearColor(t.clearColor||new Color),t.clearAlpha=e.getClearAlpha(),t.autoClear=e.autoClear,t.scissorTest=e.getScissorTest(),t}function resetRendererState(e,t){return t=saveRendererState(e,t),e.setMRT(null),e.setRenderObjectFunction(null),e.setClearColor(0,1),e.autoClear=!0,t}function restoreRendererState(e,t){e.toneMapping=t.toneMapping,e.toneMappingExposure=t.toneMappingExposure,e.outputColorSpace=t.outputColorSpace,e.setRenderTarget(t.renderTarget,t.activeCubeFace,t.activeMipmapLevel),e.setRenderObjectFunction(t.renderObjectFunction),e.setPixelRatio(t.pixelRatio),e.setMRT(t.mrt),e.setClearColor(t.clearColor,t.clearAlpha),e.autoClear=t.autoClear,e.setScissorTest(t.scissorTest)}function saveSceneState(e,t={}){return t.background=e.background,t.backgroundNode=e.backgroundNode,t.overrideMaterial=e.overrideMaterial,t}function resetSceneState(e,t){return t=saveSceneState(e,t),e.background=null,e.backgroundNode=null,e.overrideMaterial=null,t}function restoreSceneState(e,t){e.background=t.background,e.backgroundNode=t.backgroundNode,e.overrideMaterial=t.overrideMaterial}function resetRendererAndSceneState(e,t,n){return n=resetRendererState(e,n),n=resetSceneState(t,n),n}function restoreRendererAndSceneState(e,t,n){restoreRendererState(e,n),restoreSceneState(t,n)}shadowMaterialLib=new WeakMap,BasicShadowFilter=Fn(({depthTexture:e,shadowCoord:t,depthLayer:n})=>{let s=texture(e,t.xy).setName("t_basic");return e.isArrayTexture&&(s=s.depth(n)),s.compare(t.z)}),PCFShadowFilter=Fn(({depthTexture:e,shadowCoord:t,shadow:n,depthLayer:s})=>{const o=(t,n)=>{let o=texture(e,t);return e.isArrayTexture&&(o=o.depth(s)),o.compare(n)},r=reference("mapSize","vec2",n).setGroup(renderGroup),c=reference("radius","float",n).setGroup(renderGroup),l=vec2(1).div(r),i=c.mul(l.x),a=interleavedGradientNoise(screenCoordinate.xy).mul(6.28318530718);return add(o(t.xy.add(vogelDiskSample(0,5,a).mul(i)),t.z),o(t.xy.add(vogelDiskSample(1,5,a).mul(i)),t.z),o(t.xy.add(vogelDiskSample(2,5,a).mul(i)),t.z),o(t.xy.add(vogelDiskSample(3,5,a).mul(i)),t.z),o(t.xy.add(vogelDiskSample(4,5,a).mul(i)),t.z)).mul(1/5)}),PCFSoftShadowFilter=Fn(({depthTexture:e,shadowCoord:t,shadow:n,depthLayer:s})=>{const i=(t,n)=>{let o=texture(e,t);return e.isArrayTexture&&(o=o.depth(s)),o.compare(n)},d=reference("mapSize","vec2",n).setGroup(renderGroup),l=vec2(1).div(d),a=l.x,r=l.y,o=t.xy,c=fract(o.mul(d).add(.5));return o.subAssign(c.mul(l)),add(i(o,t.z),i(o.add(vec2(a,0)),t.z),i(o.add(vec2(0,r)),t.z),i(o.add(l),t.z),mix(i(o.add(vec2(a.negate(),0)),t.z),i(o.add(vec2(a.mul(2),0)),t.z),c.x),mix(i(o.add(vec2(a.negate(),r)),t.z),i(o.add(vec2(a.mul(2),r)),t.z),c.x),mix(i(o.add(vec2(0,r.negate())),t.z),i(o.add(vec2(0,r.mul(2))),t.z),c.y),mix(i(o.add(vec2(a,r.negate())),t.z),i(o.add(vec2(a,r.mul(2))),t.z),c.y),mix(mix(i(o.add(vec2(a.negate(),r.negate())),t.z),i(o.add(vec2(a.mul(2),r.negate())),t.z),c.x),mix(i(o.add(vec2(a.negate(),r.mul(2))),t.z),i(o.add(vec2(a.mul(2),r.mul(2))),t.z),c.x),c.y)).mul(1/9)}),VSMShadowFilter=Fn(({depthTexture:e,shadowCoord:t,depthLayer:n})=>{let s=texture(e).sample(t.xy);e.isArrayTexture&&(s=s.depth(n)),s=s.rg;const i=s.x,a=max$1(1e-7,s.y.mul(s.y)),r=step(t.z,i);If(r.equal(1),()=>float(1));const c=t.z.sub(i);let o=a.div(a.add(c.mul(c)));return o=clamp2(sub(o,.3).div(.65)),max$1(r,o)}),linearDistance=Fn(([e,t,n])=>{let s=positionWorld.sub(e).length();return s=s.sub(t).div(n.sub(t)),s=s.saturate(),s}),linearShadowDistance=e=>{const t=e.shadow.camera,n=reference("near","float",t).setGroup(renderGroup),s=reference("far","float",t).setGroup(renderGroup),o=objectPosition(e);return linearDistance(o,n,s)},getShadowMaterial=e=>{let t=shadowMaterialLib.get(e);if(t===0[0]){const n=e.isPointLight?linearShadowDistance(e):null;t=new NodeMaterial,t.colorNode=vec4(0,0,0,1),t.depthNode=n,t.isShadowPassMaterial=!0,t.name="ShadowMaterial",t.fog=!1,shadowMaterialLib.set(e,t)}return t},disposeShadowMaterial=e=>{const t=shadowMaterialLib.get(e);t!==0[0]&&(t.dispose(),shadowMaterialLib.delete(e))},_shadowRenderObjectLibrary=new ChainMap,_shadowRenderObjectKeys=[],getShadowRenderObjectFunction=(e,t,n,s)=>{_shadowRenderObjectKeys[0]=e,_shadowRenderObjectKeys[1]=t;let o=_shadowRenderObjectLibrary.get(_shadowRenderObjectKeys);return(o===0[0]||o.shadowType!==n||o.useVelocity!==s)&&(o=(o,i,a,r,c,l,...d)=>{(o.castShadow===!0||o.receiveShadow&&n===VSMShadowMap)&&(s&&(getDataFromObject(o).useVelocity=!0),o.onBeforeShadow(e,o,a,t.camera,r,i.overrideMaterial,l),e.renderObject(o,i,a,r,c,l,...d),o.onAfterShadow(e,o,a,t.camera,r,i.overrideMaterial,l))},o.shadowType=n,o.useVelocity=s,_shadowRenderObjectLibrary.set(_shadowRenderObjectKeys,o)),_shadowRenderObjectKeys[0]=null,_shadowRenderObjectKeys[1]=null,o}

65,VSMPassVertical=Fn(({samples:e,radius:t,size:n,shadowPass:s,depthLayer:o})=>{const i=float(0).toVar("meanVertical"),a=float(0).toVar("squareMeanVertical"),r=e.lessThanEqual(float(1)).select(float(0),float(2).div(e.sub(1))),c=e.lessThanEqual(float(1)).select(float(0),float(-1));Loop({start:int(0),end:int(e),type:"int",condition:"<"},({i:e})=>{const d=c.add(float(e).mul(r));let l=s.sample(add(screenCoordinate.xy,vec2(0,d).mul(t)).div(n));s.value.isArrayTexture&&(l=l.depth(o)),l=l.x,i.addAssign(l),a.addAssign(l.mul(l))}),i.divAssign(e),a.divAssign(e);const l=sqrt(a.sub(i.mul(i)).max(0));return vec2(i,l)}),VSMPassHorizontal=Fn(({samples:e,radius:t,size:n,shadowPass:s,depthLayer:o})=>{const i=float(0).toVar("meanHorizontal"),a=float(0).toVar("squareMeanHorizontal"),r=e.lessThanEqual(float(1)).select(float(0),float(2).div(e.sub(1))),c=e.lessThanEqual(float(1)).select(float(0),float(-1));Loop({start:int(0),end:int(e),type:"int",condition:"<"},({i:e})=>{const d=c.add(float(e).mul(r));let l=s.sample(add(screenCoordinate.xy,vec2(d,0).mul(t)).div(n));s.value.isArrayTexture&&(l=l.depth(o)),i.addAssign(l.x),a.addAssign(add(l.y.mul(l.y),l.x.mul(l.x)))}),i.divAssign(e),a.divAssign(e);const l=sqrt(a.sub(i.mul(i)).max(0));return vec2(i,l)}),_shadowFilterLib=[BasicShadowFilter,PCFShadowFilter,PCFSoftShadowFilter,VSMShadowFilter],_quadMesh=new QuadMesh;class ShadowNode extends ShadowBaseNode{static get type(){return"ShadowNode"}constructor(e,t=null){super(e),this.shadow=t||e.shadow,this.shadowMap=null,this.vsmShadowMapVertical=null,this.vsmShadowMapHorizontal=null,this.vsmMaterialVertical=null,this.vsmMaterialHorizontal=null,this._node=null,this._currentShadowType=null,this._cameraFrameId=new WeakMap,this.isShadowNode=!0,this.depthLayer=0}setupShadowFilter(e,{filterFn:t,depthTexture:n,shadowCoord:s,shadow:o,depthLayer:i}){const a=s.x.greaterThanEqual(0).and(s.x.lessThanEqual(1)).and(s.y.greaterThanEqual(0)).and(s.y.lessThanEqual(1)).and(s.z.lessThanEqual(1)),r=t({depthTexture:n,shadowCoord:s,shadow:o,depthLayer:i});return a.select(r,float(1))}setupShadowCoord(e,t){const{shadow:o}=this,{renderer:i}=e,a=reference("bias","float",o).setGroup(renderGroup);let n=t,s;if(o.camera.isOrthographicCamera||i.logarithmicDepthBuffer!==!0)n=n.xyz.div(n.w),s=n.z,i.coordinateSystem===WebGPUCoordinateSystem&&(s=s.mul(2).sub(1));else{const e=n.w;n=n.xy.div(e);const t=reference("near","float",o.camera).setGroup(renderGroup),i=reference("far","float",o.camera).setGroup(renderGroup);s=viewZToLogarithmicDepth(e.negate(),t,i)}return n=vec3(n.x,n.y.oneMinus(),s.add(a)),n}getShadowFilterFn(e){return _shadowFilterLib[e]}setupRenderTarget(e,t){const n=new DepthTexture(e.mapSize.width,e.mapSize.height);n.name="ShadowDepthTexture",n.compareFunction=LessCompare;const s=t.createRenderTarget(e.mapSize.width,e.mapSize.height);return s.texture.name="ShadowMap",s.texture.type=e.mapType,s.depthTexture=n,{shadowMap:s,depthTexture:n}}setupShadow(e){const{renderer:l,camera:v}=e,{light:p,shadow:t}=this,r=l.shadowMap.type,{depthTexture:o,shadowMap:n}=this.setupRenderTarget(t,e);

65if(t.camera.coordinateSystem=v.coordinateSystem,t.camera.updateProjectionMatrix(),r===VSMShadowMap&&t.isPointLightShadow!==!0){o.compareFunction=null,n.depth>1?(n._vsmShadowMapVertical||(n._vsmShadowMapVertical=e.createRenderTarget(t.mapSize.width,t.mapSize.height,{format:RGFormat,type:HalfFloatType,depth:n.depth,depthBuffer:!1}),n._vsmShadowMapVertical.texture.name="VSMVertical"),this.vsmShadowMapVertical=n._vsmShadowMapVertical,n._vsmShadowMapHorizontal||(n._vsmShadowMapHorizontal=e.createRenderTarget(t.mapSize.width,t.mapSize.height,{format:RGFormat,type:HalfFloatType,depth:n.depth,depthBuffer:!1}),n._vsmShadowMapHorizontal.texture.name="VSMHorizontal"),this.vsmShadowMapHorizontal=n._vsmShadowMapHorizontal):(this.vsmShadowMapVertical=e.createRenderTarget(t.mapSize.width,t.mapSize.height,{format:RGFormat,type:HalfFloatType,depthBuffer:!1}),this.vsmShadowMapHorizontal=e.createRenderTarget(t.mapSize.width,t.mapSize.height,{format:RGFormat,type:HalfFloatType,depthBuffer:!1}));let i=texture(o);o.isArrayTexture&&(i=i.depth(this.depthLayer));let a=texture(this.vsmShadowMapVertical.texture);o.isArrayTexture&&(a=a.depth(this.depthLayer));const r=reference("blurSamples","float",t).setGroup(renderGroup),c=reference("radius","float",t).setGroup(renderGroup),l=reference("mapSize","vec2",t).setGroup(renderGroup);let s=this.vsmMaterialVertical||(this.vsmMaterialVertical=new NodeMaterial);s.fragmentNode=VSMPassVertical({samples:r,radius:c,size:l,shadowPass:i,depthLayer:this.depthLayer}).context(e.getSharedContext()),s.name="VSMVertical",s=this.vsmMaterialHorizontal||(this.vsmMaterialHorizontal=new NodeMaterial),s.fragmentNode=VSMPassHorizontal({samples:r,radius:c,size:l,shadowPass:a,depthLayer:this.depthLayer}).context(e.getSharedContext()),s.name="VSMHorizontal"}const h=reference("intensity","float",t).setGroup(renderGroup),d=reference("normalBias","float",t).setGroup(renderGroup),u=lightShadowMatrix(p).mul(shadowPositionWorld.add(normalWorld.mul(d))),i=this.setupShadowCoord(e,u),c=t.filterNode||this.getShadowFilterFn(l.shadowMap.type)||null;if(c===null)throw new Error("THREE.WebGPURenderer: Shadow map type not supported yet.");const m=r===VSMShadowMap&&t.isPointLightShadow!==!0?this.vsmShadowMapHorizontal.texture:o,f=this.setupShadowFilter(e,{filterFn:c,shadowTexture:n.texture,depthTexture:m,shadowCoord:i,shadow:t,depthLayer:this.depthLayer});let s;n.texture.isCubeTexture?s=cubeTexture(n.texture,i.xyz):(s=texture(n.texture,i),o.isArrayTexture&&(s=s.depth(this.depthLayer)));const g=mix(1,f.rgb.mix(s,1),h.mul(s.a)).toVar();this.shadowMap=n,this.shadow.map=n;const a=`${this.light.type} Shadow [ ${this.light.name||"ID: "+this.light.id} ]`;return g.toInspector(`${a} / Color`,()=>this.shadowMap.texture.isCubeTexture?cubeTexture(this.shadowMap.texture):texture(this.shadowMap.texture)).toInspector(`${a} / Depth`,()=>this.shadowMap.texture.isCubeTexture?cubeTexture(this.shadowMap.texture).r.oneMinus():textureLoad(this.shadowMap.depthTexture,uv$1().mul(textureSize(texture(this.shadowMap.depthTexture)))).r.oneMinus())}setup(e){if(e.renderer.shadowMap.enabled===!1)return;return Fn(()=>{const n=e.renderer.shadowMap.type;this._currentShadowType!==n&&(this._reset(),this._node=null);let t=this._node;return this.setupShadowPosition(e),t===null&&(this._node=t=this.setupShadow(e),this._currentShadowType=n),e.material.shadowNode&&warn('NodeMaterial: ".shadowNode" is deprecated. Use ".castShadowNode" instead.'),e.material.receivedShadowNode&&(t=e.material.receivedShadowNode(t)),t})()}renderShadow(e){const{shadow:t,shadowMap:o,light:s}=this,{renderer:i,scene:n}=e;t.updateMatrices(s),o.setSize(t.mapSize.width,t.mapSize.height,o.depth);const a=n.name;n.name=`Shadow Map [ ${s.name||"ID: "+s.id} ]`,i.render(n,t.camera),n.name=a}updateShadow(e){const{shadowMap:o,light:r,shadow:n}=this,{renderer:t,scene:s,camera:c}=e,i=t.shadowMap.type,l=o.depthTexture.version;this._depthVersionCached=l;const d=n.camera.layers.mask;(n.camera.layers.mask&4294967294)===0&&(n.camera.layers.mask=c.layers.mask);const u=t.getRenderObjectFunction(),a=t.getMRT(),h=!!a&&a.has("velocity");_rendererState=resetRendererAndSceneState(t,s,_rendererState),s.overrideMaterial=getShadowMaterial(r),t.setRenderObjectFunction(getShadowRenderObjectFunction(t,n,i,h)),t.setClearColor(0,0),t.setRenderTarget(o),this.renderShadow(e),t.setRenderObjectFunction(u),i===VSMShadowMap&&n.isPointLightShadow!==!0&&this.vsmPass(t),n.camera.layers.mask=d,restoreRendererAndSceneState(t,s,_rendererState)}vsmPass(e){const{shadow:t}=this,n=this.shadowMap.depth;this.vsmShadowMapVertical.setSize(t.mapSize.width,t.mapSize.height,n),this.vsmShadowMapHorizontal.setSize(t.mapSize.width,t.mapSize.height,n),e.setRenderTarget(this.vsmShadowMapVertical),_quadMesh.material=this.vsmMaterialVertical,_quadMesh.render(e),e.setRenderTarget(this.vsmShadowMapHorizontal),_quadMesh.material=this.vsmMaterialHorizontal,_quadMesh.render(e)}dispose(){this._reset(),super.dispose()}_reset(){this._currentShadowType=null,disposeShadowMaterial(this.light),this.shadowMap&&(this.shadowMap.dispose(),this.shadowMap=null),this.vsmShadowMapVertical!==null&&(this.vsmShadowMapVertical.dispose(),this.vsmShadowMapVertical=null,this.vsmMaterialVertical.dispose(),this.vsmMaterialVertical=null),this.vsmShadowMapHorizontal!==null&&(this.vsmShadowMapHorizontal.dispose(),this.vsmShadowMapHorizontal=null,this.vsmMaterialHorizontal.dispose(),this.vsmMaterialHorizontal=null)}updateBefore(e){const{shadow:t}=this;let n=t.needsUpdate||t.autoUpdate;n&&(this._cameraFrameId[e.camera]===e.frameId&&(n=!1),this._cameraFrameId[e.camera]=e.frameId),n&&(this.updateShadow(e),this.shadowMap.depthTexture.version===this._depthVersionCached&&(t.needsUpdate=!1))}}shadow=(e,t)=>new ShadowNode(e,t),_clearColor$1=new Color,_projScreenMatrix$12=new Matrix4,_lightPositionWorld2=new Vector3,_lookTarget2=new Vector3,_cubeDirectionsWebGPU=[new Vector3(1,0,0),new Vector3(-1,0,0),new Vector3(0,-1,0),new Vector3(0,1,0),new Vector3(0,0,1),new Vector3(0,0,-1)],_cubeUpsWebGPU=[new Vector3(0,-1,0),new Vector3(0,-1,0),new Vector3(0,0,-1),new Vector3(0,0,1),new Vector3(0,-1,0),new Vector3(0,-1,0)],_cubeDirectionsWebGL=[new Vector3(1,0,0),new Vector3(-1,0,0),new Vector3(0,1,0),new Vector3(0,-1,0),new Vector3(0,0,1),new Vector3(0,0,-1)],_cubeUpsWebGL=[new Vector3(0,-1,0),new Vector3(0,-1,0),new Vector3(0,0,1),new Vector3(0,0,-1),new Vector3(0,-1,0),new Vector3(0,-1,0)],BasicPointShadowFilter=Fn(({depthTexture:e,bd3D:t,dp:n})=>cubeTexture(e,t).compare(n)),PointShadowFilter=Fn(({depthTexture:e,bd3D:t,dp:n,shadow:s})=>{const f=reference("radius","float",s).setGroup(renderGroup),p=reference("mapSize","vec2",s).setGroup(renderGroup),i=f.div(p.x),c=abs(t),o=normalize2(cross(t,c.x.greaterThan(c.z).select(vec3(0,1,0),vec3(1,0,0)))),a=cross(t,o),r=interleavedGradientNoise(screenCoordinate.xy).mul(6.28318530718),l=vogelDiskSample(0,5,r),d=vogelDiskSample(1,5,r),u=vogelDiskSample(2,5,r),h=vogelDiskSample(3,5,r),m=vogelDiskSample(4,5,r);return cubeTexture(e,t.add(o.mul(l.x).add(a.mul(l.y)).mul(i))).compare(n).add(cubeTexture(e,t.add(o.mul(d.x).add(a.mul(d.y)).mul(i))).compare(n)).add(cubeTexture(e,t.add(o.mul(u.x).add(a.mul(u.y)).mul(i))).compare(n)).add(cubeTexture(e,t.add(o.mul(h.x).add(a.mul(h.y)).mul(i))).compare(n)).add(cubeTexture(e,t.add(o.mul(m.x).add(a.mul(m.y)).mul(i))).compare(n)).mul(1/5)}),pointShadowFilter=Fn(({filterFn:e,depthTexture:t,shadowCoord:n,shadow:s})=>{const a=n.xyz.toVar(),o=a.length(),i=uniform("float").setGroup(renderGroup).onRenderUpd

65ate(()=>s.camera.near),r=uniform("float").setGroup(renderGroup).onRenderUpdate(()=>s.camera.far),l=reference("bias","float",s).setGroup(renderGroup),c=float(1).toVar();return If(o.sub(r).lessThanEqual(0).and(o.sub(i).greaterThanEqual(0)),()=>{const n=o.sub(i).div(r.sub(i)).toVar();n.addAssign(l);const d=a.normalize();c.assign(e({depthTexture:t,bd3D:d,dp:n,shadow:s}))}),c});class PointShadowNode extends ShadowNode{static get type(){return"PointShadowNode"}constructor(e,t=null){super(e,t)}getShadowFilterFn(e){return e===BasicShadowMap?BasicPointShadowFilter:PointShadowFilter}setupShadowCoord(e,t){return t}setupShadowFilter(e,{filterFn:t,depthTexture:n,shadowCoord:s,shadow:o}){return pointShadowFilter({filterFn:t,depthTexture:n,shadowCoord:s,shadow:o})}setupRenderTarget(e,t){const n=new CubeDepthTexture(e.mapSize.width);n.name="PointShadowDepthTexture",n.compareFunction=LessCompare;const s=t.createCubeRenderTarget(e.mapSize.width);return s.texture.name="PointShadowMap",s.depthTexture=n,{shadowMap:s,depthTexture:n}}renderShadow(e){const{shadow:s,shadowMap:r,light:o}=this,{renderer:n,scene:i}=e,t=s.camera,c=s.matrix,a=n.coordinateSystem===WebGPUCoordinateSystem,l=a?_cubeDirectionsWebGPU:_cubeDirectionsWebGL,d=a?_cubeUpsWebGPU:_cubeUpsWebGL;r.setSize(s.mapSize.width,s.mapSize.width);const u=n.autoClear,h=n.getClearColor(_clearColor$1),m=n.getClearAlpha();n.autoClear=!1,n.setClearColor(s.clearColor,s.clearAlpha);for(let e=0;e<6;e++){n.setRenderTarget(r,e),n.clear();const a=o.distance||t.far;a!==t.far&&(t.far=a,t.updateProjectionMatrix()),_lightPositionWorld2.setFromMatrixPosition(o.matrixWorld),t.position.copy(_lightPositionWorld2),_lookTarget2.copy(t.position),_lookTarget2.add(l[e]),t.up.copy(d[e]),t.lookAt(_lookTarget2),t.updateMatrixWorld(),c.makeTranslation(-_lightPositionWorld2.x,-_lightPositionWorld2.y,-_lightPositionWorld2.z),_projScreenMatrix$12.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),s._frustum.setFromProjectionMatrix(_projScreenMatrix$12,t.coordinateSystem,t.reversedDepth);const u=i.name;i.name=`Point Light Shadow [ ${o.name||"ID: "+o.id} ] - Face ${e+1}`,n.render(i,t),i.name=u}n.autoClear=u,n.setClearColor(h,m)}}pointShadow=(e,t)=>new PointShadowNode(e,t);class AnalyticLightNode extends LightingNode{static get type(){return"AnalyticLightNode"}constructor(e=null){super(),this.light=e,this.color=new Color,this.colorNode=e&&e.colorNode||uniform(this.color).setGroup(renderGroup),this.baseColorNode=null,this.shadowNode=null,this.shadowColorNode=null,this.isAnalyticLightNode=!0,this.updateType=NodeUpdateType.FRAME,e&&e.shadow&&(this._shadowDisposeListener=()=>{this.disposeShadow()},e.addEventListener("dispose",this._shadowDisposeListener))}dispose(){this._shadowDisposeListener&&this.light.removeEventListener("dispose",this._shadowDisposeListener),super.dispose()}disposeShadow(){this.shadowNode!==null&&(this.shadowNode.dispose(),this.shadowNode=null),this.shadowColorNode=null,this.baseColorNode!==null&&(this.colorNode=this.baseColorNode,this.baseColorNode=null)}getHash(){return this.light.uuid}getLightVector(e){return lightViewPosition(this.light).sub(e.context.positionView||positionView)}setupDirect(){}setupDirectRectArea(){}setupShadowNode(){return shadow(this.light)}setupShadow(e){const{renderer:n}=e;if(n.shadowMap.enabled===!1)return;let t=this.shadowColorNode;if(t===null){const n=this.light.shadow.shadowNode;let e;n!==0[0]?e=nodeObject(n):e=this.setupShadowNode(),this.shadowNode=e,this.shadowColorNode=t=this.colorNode.mul(e),this.baseColorNode=this.colorNode}e.context.getShadow&&(t=e.context.getShadow(this,e)),this.colorNode=t}setup(e){this.colorNode=this.baseColorNode||this.colorNode,this.light.castShadow?e.object.receiveShadow&&this.setupShadow(e):this.shadowNode!==null&&(this.shadowNode.dispose(),this.shadowNode=null,this.shadowColorNode=null);const t=this.setupDirect(e),n=this.setupDirectRectArea(e);t&&e.lightsNode.setupDirectLight(e,this,t),n&&e.lightsNode.setupDirectRectAreaLight(e,this,n)}update(){const{light:e}=this;this.color.copy(e.color).multiplyScalar(e.intensity)}}getDistanceAttenuation=Fn(({lightDistance:e,cutoffDistance:t,decayExponent:n})=>{const s=e.pow(n).max(.01).reciprocal();return t.greaterThan(0).select(s.mul(e.div(t).pow4().oneMinus().clamp().pow2()),s)}),directPointLight=({color:e,lightVector:t,cutoffDistance:n,decayExponent:s})=>{const o=t.normalize(),i=t.length(),a=getDistanceAttenuation({lightDistance:i,cutoffDistance:n,decayExponent:s}),r=e.mul(a);return{lightDirection:o,lightColor:r}};class PointLightNode extends AnalyticLightNode{static get type(){return"PointLightNode"}constructor(e=null){super(e),this.cutoffDistanceNode=uniform(0).setGroup(renderGroup),this.decayExponentNode=uniform(2).setGroup(renderGroup)}update(e){const{light:t}=this;super.update(e),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}setupShadowNode(){return pointShadow(this.light)}setupDirect(e){return directPointLight({color:this.colorNode,lightVector:this.getLightVector(e),cutoffDistance:this.cutoffDistanceNode,decayExponent:this.decayExponentNode})}}shapeCircle=Fn(([e=uv$1()],{renderer:t,material:n})=>{const s=lengthSq(e.mul(2).sub(1));let o;if(n.alphaToCoverage&&t.currentSamples>0){const e=float(s.fwidth()).toVar();o=smoothstep2(e.oneMinus(),e.add(1),s).oneMinus()}else o=select(s.greaterThan(1),0,1);return o}

65),getShIrradianceAt=Fn(([e,t])=>{const{x:s,y:o,z:i}=e;let n=t.element(0).mul(.886227);return n=n.add(t.element(1).mul(2*.511664).mul(o)),n=n.add(t.element(2).mul(2*.511664).mul(i)),n=n.add(t.element(3).mul(2*.511664).mul(s)),n=n.add(t.element(4).mul(2*.429043).mul(s).mul(o)),n=n.add(t.element(5).mul(2*.429043).mul(o).mul(i)),n=n.add(t.element(6).mul(i.mul(i).mul(.743125).sub(.247708))),n=n.add(t.element(7).mul(2*.429043).mul(s).mul(i)),n=n.add(t.element(8).mul(.429043).mul(mul(s,s).sub(mul(o,o)))),n}),_clearColor=new Color4;class Background extends DataMap{constructor(e,t){super(),this.renderer=e,this.nodes=t}update(e,t,n){const s=this.renderer,o=this.nodes.getBackgroundNode(e)||e.background;let i=!1;if(o===null)s._clearColor.getRGB(_clearColor),_clearColor.a=s._clearColor.a;else if(o.isColor===!0)o.getRGB(_clearColor),_clearColor.a=1,i=!0;else if(o.isNode===!0){const i=this.get(e),a=o;_clearColor.copy(s._clearColor);let n=i.backgroundMesh;if(n===0[0]){let s=function(){o.removeEventListener("dispose",s),n.material.dispose(),n.geometry.dispose()};const r=vec4(a).mul(backgroundIntensity).context({getUV:()=>backgroundRotation.mul(normalWorldGeometry),getTextureLevel:()=>backgroundBlurriness}

65),c=cameraProjectionMatrix.element(3).element(3).equal(1),l=div(1,cameraProjectionMatrix.element(1).element(1)).mul(3),d=c.select(positionLocal.mul(l),positionLocal);let t=cameraProjectionMatrix.mul(modelViewMatrix.mul(vec4(d,0)));t=t.setZ(t.w);const e=new NodeMaterial;e.name="Background.material",e.side=BackSide,e.depthTest=!1,e.depthWrite=!1,e.allowOverride=!1,e.fog=!1,e.lights=!1,e.vertexNode=t,e.colorNode=r,i.backgroundMeshNode=r,i.backgroundMesh=n=new Mesh(new SphereGeometry(1,32,32),e),n.frustumCulled=!1,n.name="Background.mesh",o.addEventListener("dispose",s)}const r=a.getCacheKey();i.backgroundCacheKey!==r&&(i.backgroundMeshNode.node=vec4(a).mul(backgroundIntensity),i.backgroundMeshNode.needsUpdate=!0,n.material.needsUpdate=!0,i.backgroundCacheKey=r),t.unshift(n,n.geometry,n.material,0,0,null,null)}else error("Renderer: Unsupported background configuration.",o);const a=s.xr.getEnvironmentBlendMode();if(a==="additive"?_clearColor.set(0,0,0,1):a==="alpha-blend"&&_clearColor.set(0,0,0,0),s.autoClear===!0||i===!0){const e=n.clearColorValue;e.r=_clearColor.r,e.g=_clearColor.g,e.b=_clearColor.b,e.a=_clearColor.a,(s.backend.isWebGLBackend===!0||s.alpha===!0)&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),n.depthClearValue=s._clearDepth,n.stencilClearValue=s._clearStencil,n.clearColor=s.autoClearColor===!0,n.clearDepth=s.autoClearDepth===!0,n.clearStencil=s.autoClearStencil===!0}else n.clearColor=!1,n.clearDepth=!1,n.clearStencil=!1}}_id$7=0;class BindGroup{constructor(e="",t=[],n=0,s=[]){this.name=e,this.bindings=t,this.index=n,this.bindingsReference=s,this.id=_id$7++}}class NodeBuilderState{constructor(e,t,n,s,o,i,a,r,c,l=[]){this.vertexShader=e,this.fragmentShader=t,this.computeShader=n,this.transforms=l,this.nodeAttributes=s,this.bindings=o,this.updateNodes=i,this.updateBeforeNodes=a,this.updateAfterNodes=r,this.observer=c,this.usedTimes=0}createBindings(){const e=[];for(const t of this.bindings){const n=t.bindings[0].groupNode.shared;if(n!==!0){const n=new BindGroup(t.name,[],t.index,t.bindingsReference);e.push(n);for(const e of t.bindings)n.bindings.push(e.clone())}else e.push(t)}return e}}class NodeAttribute{constructor(e,t,n=null){this.isNodeAttribute=!0,this.name=e,this.type=t,this.node=n}}class NodeUniform{constructor(e,t,n){this.isNodeUniform=!0,this.name=e,this.type=t,this.node=n}get value(){return this.node.value}set value(e){this.node.value=e}get id(){return this.node.id}get groupNode(){return this.node.groupNode}}class NodeVar{constructor(e,t,n=!1,s=null){this.isNodeVar=!0,this.name=e,this.type=t,this.readOnly=n,this.count=s}}class NodeVarying extends NodeVar{constructor(e,t,n=null,s=null){super(e,t),this.needsInterpolation=!1,this.isNodeVarying=!0,this.interpolationType=n,this.interpolationSampling=s}}class NodeCode{constructor(e,t,n=""){this.name=e,this.type=t,this.code=n,Object.defineProperty(this,"isNodeCode",{value:!0})}}_id$6=0;class NodeCache{constructor(e=null){this.id=_id$6++,this.nodesData=new WeakMap,this.parent=e}getData(e){let t=this.nodesData.get(e);return t===0[0]&&this.parent!==null&&(t=this.parent.getData(e)),t}setData(e,t){this.nodesData.set(e,t)}}class StructType{constructor(e,t){this.name=e,this.members=t,this.output=!1}}class Uniform2{constructor(e,t){this.name=e,this.value=t,this.boundary=0,this.itemSize=0,this.offset=0}setValue(e){this.value=e}getValue(){return this.value}}class NumberUniform extends Uniform2{constructor(e,t=0){super(e,t),this.isNumberUniform=!0,this.boundary=4,this.itemSize=1}}class Vector2Uniform extends Uniform2{constructor(e,t=new Vector2){super(e,t),this.isVector2Uniform=!0,this.boundary=8,this.itemSize=2}}class Vector3Uniform extends Uniform2{constructor(e,t=new Vector3){super(e,t),this.isVector3Uniform=!0,this.boundary=16,this.itemSize=3}}class Vector4Uniform extends Uniform2{constructor(e,t=new Vector4){super(e,t),this.isVector4Uniform=!0,this.boundary=16,this.itemSize=4}}class ColorUniform extends Uniform2{constructor(e,t=new Color){super(e,t),this.isColorUniform=!0,this.boundary=16,this.itemSize=3}}class Matrix2Uniform extends Uniform2{constructor(e,t=new Matrix2){super(e,t),this.isMatrix2Uniform=!0,this.boundary=8,this.itemSize=4}}class Matrix3Uniform extends Uniform2{constructor(e,t=new Matrix3){super(e,t),this.isMatrix3Uniform=!0,this.boundary=48,this.itemSize=12}}class Matrix4Uniform extends Uniform2{constructor(e,t=new Matrix4){super(e,t),this.isMatrix4Uniform=!0,this.boundary=64,this.itemSize=16}}class NumberNodeUniform extends NumberUniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class Vector2NodeUniform extends Vector2Uniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class Vector3NodeUniform extends Vector3Uniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class Vector4NodeUniform extends Vector4Uniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class ColorNodeUniform extends ColorUniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}

65class Matrix2NodeUniform extends Matrix2Uniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class Matrix3NodeUniform extends Matrix3Uniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}class Matrix4NodeUniform extends Matrix4Uniform{constructor(e){super(e.name,e.value),this.nodeUniform=e}getValue(){return this.nodeUniform.value}getType(){return this.nodeUniform.type}}_id$5=0,sharedNodeData=new WeakMap,rendererCache=new WeakMap,typeFromArray=new Map([[Int8Array,"int"],[Int16Array,"int"],[Int32Array,"int"],[Uint8Array,"uint"],[Uint16Array,"uint"],[Uint32Array,"uint"],[Float32Array,"float"]]),toFloat=e=>/e/g.test(e)?String(e).replace(/\+/g,""):(e=Number(e),e+(e%1?"":".0"));class NodeBuilder{constructor(e,t,n){this.object=e,this.material=e&&e.material||null,this.geometry=e&&e.geometry||null,this.renderer=t,this.parser=n,this.scene=null,this.camera=null,this.nodes=[],this.sequentialNodes=[],this.updateNodes=[],this.updateBeforeNodes=[],this.updateAfterNodes=[],this.hashNodes={},this.observer=null,this.lightsNode=null,this.environmentNode=null,this.fogNode=null,this.clippingContext=null,this.vertexShader=null,this.fragmentShader=null,this.computeShader=null,this.flowNodes={vertex:[],fragment:[],compute:[]},this.flowCode={vertex:"",fragment:"",compute:""},this.uniforms={vertex:[],fragment:[],compute:[],index:0},this.structs={vertex:[],fragment:[],compute:[],index:0},this.types={vertex:[],fragment:[],compute:[],index:0},this.bindings={vertex:{},fragment:{},compute:{}},this.bindingsIndexes={},this.bindGroups=null,this.attributes=[],this.bufferAttributes=[],this.varyings=[],this.codes={},this.vars={},this.declarations={},this.flow={code:""},this.chaining=[],this.stack=stack(),this.stacks=[],this.tab="	",this.currentFunctionNode=null,this.context={material:this.material},this.cache=new NodeCache,this.globalCache=this.cache,this.flowsData=new WeakMap,this.shaderStage=null,this.buildStage=null,this.subBuildLayers=[],this.activeStacks=[],this.subBuildFn=null,this.fnCall=null,Object.defineProperty(this,"id",{value:_id$5++})}isOpaque(){const e=this.material;return e.transparent===!1&&e.blending===NormalBlending&&e.alphaToCoverage===!1}getBindGroupsCache(){let e=rendererCache.get(this.renderer);return e===0[0]&&(e=new ChainMap,rendererCache.set(this.renderer,e)),e}createRenderTarget(e,t,n){return new RenderTarget(e,t,n)}createCubeRenderTarget(e,t){return new CubeRenderTarget(e,t)}includes(e){return this.nodes.includes(e)}getOutputStructName(){}_getBindGroup(e,t){const i=this.getBindGroupsCache(),n=[];let o=!0;for(const e of t)n.push(e),o=o&&e.groupNode.shared!==!0;let s;return o?(s=i.get(n),s===0[0]&&(s=new BindGroup(e,n,this.bindingsIndexes[e].group,n),i.set(n,s))):s=new BindGroup(e,n,this.bindingsIndexes[e].group,n),s}getBindGroupArray(e,t){const s=this.bindings[t];let n=s[e];return n===0[0]&&(this.bindingsIndexes[e]===0[0]&&(this.bindingsIndexes[e]={binding:0,group:Object.keys(this.bindingsIndexes).length}),s[e]=n=[]),n}getBindings(){let e=this.bindGroups;if(e===null){const t={},n=this.bindings;for(const e of shaderStages)for(const s in n[e]){const o=n[e][s],i=t[s]||(t[s]=[]);i.push(...o)}e=[];for(const n in t){const s=t[n],o=this._getBindGroup(n,s);e.push(o)}this.bindGroups=e}return e}sortBindingGroups(){const e=this.getBindings();e.sort((e,t)=>e.bindings[0].groupNode.order-t.bindings[0].groupNode.order);for(let t=0;t<e.length;t++){const n=e[t];this.bindingsIndexes[n.name].group=t,n.index=t}}setHashNode(e,t){this.hashNodes[t]=e}addNode(e){this.nodes.includes(e)===!1&&(this.nodes.push(e),this.setHashNode(e,e.getHash(this)))}addSequentialNode(e){this.sequentialNodes.includes(e)===!1&&this.sequentialNodes.push(e)}buildUpdateNodes(){for(const e of this.nodes){const t=e.getUpdateType();t!==NodeUpdateType.NONE&&this.updateNodes.push(e)}for(const e of this.sequentialNodes){const t=e.getUpdateBeforeType(),n=e.getUpdateAfterType();t!==NodeUpdateType.NONE&&this.updateBeforeNodes.push(e),n!==NodeUpdateType.NONE&&this.updateAfterNodes.push(e)}}get currentNode(){return this.chaining[this.chaining.length-1]}isFilteredTexture(e){return e.magFilter===LinearFilter||e.magFilter===LinearMipmapNearestFilter||e.magFilter===NearestMipmapLinearFilter||e.magFilter===LinearMipmapLinearFilter||e.minFilter===LinearFilter||e.minFilter===LinearMipmapNearestFilter||e.minFilter===NearestMipmapLinearFilter||e.minFilter===LinearMipmapLinearFilter}addChain(e){this.chaining.push(e)}removeChain(e){const t=this.chaining.pop();if(t!==e)throw new Error("NodeBuilder: Invalid node chaining!")}getMethod(e){return e}getTernary(){return null}getNodeFromHash(e){return this.hashNodes[e]}addFlow(e,t){return this.flowNodes[e].push(t),t}setContext(e){this.context=e}getContext(){return this.context}addContext(e){const t=this.getContext();return this.setContext({...this.context,...e}),t}getSharedContext(){const e={...this.context};return delete e.material,delete e.getUV,delete e.getOutput,delete e.getTextureLevel,delete e.getAO,delete e.getShadow,e}setCache(e){this.cache=e}getCache(){return this.cache}getCacheFromNode(e,t=!0){const n=this.getDataFromNode(e);

65return n.cache===0[0]&&(n.cache=new NodeCache(t?this.getCache():null)),n.cache}isAvailable(){return!1}getVertexIndex(){warn("Abstract function.")}getInstanceIndex(){warn("Abstract function.")}getDrawIndex(){warn("Abstract function.")}getFrontFacing(){warn("Abstract function.")}getFragCoord(){warn("Abstract function.")}isFlipY(){return!1}increaseUsage(e){const t=this.getDataFromNode(e);return t.usageCount=t.usageCount===0[0]?1:t.usageCount+1,t.usageCount}generateTexture(){warn("Abstract function.")}generateTextureLod(){warn("Abstract function.")}generateArrayDeclaration(e,t){return this.getType(e)+"[ "+t+" ]"}generateArray(e,t,n=null){let s=this.generateArrayDeclaration(e,t)+"( ";for(let o=0;o<t;o++){const i=n?n[o]:null;i!==null?s+=i.build(this,e):s+=this.generateConst(e),o<t-1&&(s+=", ")}return s+=" )",s}generateStruct(e,t,n=null){const s=[];for(const i of t){const{name:e,type:o}=i;n&&n[e]&&n[e].isNode?s.push(n[e].build(this,o)):s.push(this.generateConst(o))}return e+"( "+s.join(", ")+" )"}generateConst(e,t=null){if(t===null&&(e==="float"||e==="int"||e==="uint"?t=0:e==="bool"?t=!1:e==="color"?t=new Color:e==="vec2"||e==="uvec2"||e==="ivec2"?t=new Vector2:e==="vec3"||e==="uvec3"||e==="ivec3"?t=new Vector3:(e==="vec4"||e==="uvec4"||e==="ivec4")&&(t=new Vector4)),e==="float")return toFloat(t);if(e==="int")return`${Math.round(t)}`;if(e==="uint")return t>=0?`${Math.round(t)}u`:"0u";if(e==="bool")return t?"true":"false";if(e==="color")return`${this.getType("vec3")}

65( ${toFloat(t.r)}, ${toFloat(t.g)}, ${toFloat(t.b)} )`;const s=this.getTypeLength(e),o=this.getComponentType(e),n=e=>this.generateConst(o,e);if(s===2)return`${this.getType(e)}( ${n(t.x)}, ${n(t.y)} )`;if(s===3)return`${this.getType(e)}( ${n(t.x)}, ${n(t.y)}, ${n(t.z)} )`;if(s===4&&e!=="mat2")return`${this.getType(e)}( ${n(t.x)}, ${n(t.y)}, ${n(t.z)}, ${n(t.w)} )`;if(s>=4&&t&&(t.isMatrix2||t.isMatrix3||t.isMatrix4))return`${this.getType(e)}( ${t.elements.map(n).join(", ")} )`;if(s>4)return`${this.getType(e)}()`;throw new Error(`NodeBuilder: Type '${e}' not found in generate constant attempt.`)}getType(e){return e==="color"?"vec3":e}hasGeometryAttribute(e){return this.geometry&&this.geometry.getAttribute(e)!==0[0]}getAttribute(e,t){const s=this.attributes;for(const t of s)if(t.name===e)return t;const n=new NodeAttribute(e,t);return this.registerDeclaration(n),s.push(n),n}getPropertyName(e){return e.name}isVector(e){return/vec\d/.test(e)}isMatrix(e){return/mat\d/.test(e)}isReference(e){return e==="void"||e==="property"||e==="sampler"||e==="samplerComparison"||e==="texture"||e==="cubeTexture"||e==="storageTexture"||e==="depthTexture"||e==="texture3D"}needsToWorkingColorSpace(){return!1}getComponentTypeFromTexture(e){const t=e.type;if(e.isDataTexture){if(t===IntType)return"int";if(t===UnsignedIntType)return"uint"}return"float"}getElementType(e){return e==="mat2"?"vec2":e==="mat3"?"vec3":e==="mat4"?"vec4":this.getComponentType(e)}getComponentType(e){if(e=this.getVectorType(e),e==="float"||e==="bool"||e==="int"||e==="uint")return e;const t=/(b|i|u|)(vec|mat)([2-4])/.exec(e);return t===null?null:t[1]==="b"?"bool":t[1]==="i"?"int":t[1]==="u"?"uint":"float"}getVectorType(e){return e==="color"?"vec3":e==="texture"||e==="cubeTexture"||e==="storageTexture"||e==="texture3D"?"vec4":e}getTypeFromLength(e,t="float"){if(e===1)return t;let n=getTypeFromLength(e);const s=t==="float"?"":t[0];return/mat2/.test(t)===!0&&(n=n.replace("vec","mat")),s+n}getTypeFromArray(e){return typeFromArray.get(e.constructor)}isInteger(e){return/int|uint|(i|u)vec/.test(e)}getTypeFromAttribute(e){let t=e;e.isInterleavedBufferAttribute&&(t=e.data);const s=t.array,o=e.itemSize,i=e.normalized;let n;return!(e instanceof Float16BufferAttribute)&&i!==!0&&(n=this.getTypeFromArray(s)),this.getTypeFromLength(o,n)}getTypeLength(e){const t=this.getVectorType(e),n=/vec([2-4])/.exec(t);return n!==null?Number(n[1]):t==="float"||t==="bool"||t==="int"||t==="uint"?1:/mat2/.test(e)===!0?4:/mat3/.test(e)===!0?9:/mat4/.test(e)===!0?16:0}getVectorFromMatrix(e){return e.replace("mat","vec")}changeComponentType(e,t){return this.getTypeFromLength(this.getTypeLength(e),t)}getIntegerType(e){const t=this.getComponentType(e);return t==="int"||t==="uint"?e:this.changeComponentType(e,"int")}setActiveStack(e){this.activeStacks.push(e)}removeActiveStack(e){if(this.activeStacks[this.activeStacks.length-1]===e)this.activeStacks.pop();else throw new Error("NodeBuilder: Invalid active stack removal.")}getActiveStack(){return this.activeStacks[this.activeStacks.length-1]}getBaseStack(){return this.activeStacks[0]}addStack(){this.stack=stack(this.stack);const e=getCurrentStack();return this.stacks.push(e),setCurrentStack(this.stack),this.stack}removeStack(){const e=this.stack;for(const t of e.nodes){const n=this.getDataFromNode(t);n.stack=e}return this.stack=e.parent,setCurrentStack(this.stacks.pop()),e}getDataFromNode(e,t=this.shaderStage,n=null){n=n===null?e.isGlobal(this)?this.globalCache:this.cache:n;let s=n.getData(e);s===0[0]&&(s={},n.setData(e,s)),s[t]===0[0]&&(s[t]={});let o=s[t];const a=s.any?s.any.subBuilds:null,i=this.getClosestSubBuild(a);return i&&(o.subBuildsCache===0[0]&&(o.subBuildsCache={}),o=o.subBuildsCache[i]||(o.subBuildsCache[i]={}),o.subBuilds=a),o}getNodeProperties(e,t="any"){const n=this.getDataFromNode(e,t);return n.properties||(n.properties={outputNode:null})}getBufferAttributeFromNode(e,t){const s=this.getDataFromNode(e,"vertex");let n=s.bufferAttribute;if(n===0[0]){const o=this.uniforms.index++;n=new NodeAttribute("nodeAttribute"+o,t,e),this.bufferAttributes.push(n),s.bufferAttribute=n}return n}getStructTypeNode(e,t=this.shaderStage){return this.types[t][e]||null}

65getStructTypeFromNode(e,t,n=null,s=this.shaderStage){const i=this.getDataFromNode(e,s,this.globalCache);let o=i.structType;if(o===0[0]){const a=this.structs.index++;n===null&&(n="StructType"+a),o=new StructType(n,t),this.structs[s].push(o),this.types[s][n]=e,i.structType=o}return o}getOutputStructTypeFromNode(e,t){const n=this.getStructTypeFromNode(e,t,"OutputType","fragment");return n.output=!0,n}getUniformFromNode(e,t,n=this.shaderStage,s=null){const i=this.getDataFromNode(e,n,this.globalCache);let o=i.uniform;if(o===0[0]){const a=this.uniforms.index++;o=new NodeUniform(s||"nodeUniform"+a,t,e),this.uniforms[n].push(o),this.registerDeclaration(o),i.uniform=o}return o}getVarFromNode(e,t=null,n=e.getNodeType(this),s=this.shaderStage,o=!1){const a=this.getDataFromNode(e,s),r=this.getSubBuildProperty("variable",a.subBuilds);let i=a[r];if(i===0[0]){const c=o?"_const":"_var",l=this.vars[s]||(this.vars[s]=[]),d=this.vars[c]||(this.vars[c]=0);t===null&&(t=(o?"nodeConst":"nodeVar")+d,this.vars[c]++),r!=="variable"&&(t=this.getSubBuildProperty(t,a.subBuilds));const u=e.getArrayCount(this);i=new NodeVar(t,n,o,u),o||l.push(i),this.registerDeclaration(i),a[r]=i}return i}isDeterministic(e){if(e.isMathNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode))&&(!e.cNode||this.isDeterministic(e.cNode));if(e.isOperatorNode)return this.isDeterministic(e.aNode)&&(!e.bNode||this.isDeterministic(e.bNode));if(e.isArrayNode){if(e.values!==null)for(const t of e.values)if(!this.isDeterministic(t))return!1;return!0}return!!e.isConstNode}getVaryingFromNode(e,t=null,n=e.getNodeType(this),s=null,o=null){const a=this.getDataFromNode(e,"any"),r=this.getSubBuildProperty("varying",a.subBuilds);let i=a[r];if(i===0[0]){const e=this.varyings,c=e.length;t===null&&(t="nodeVarying"+c),r!=="varying"&&(t=this.getSubBuildProperty(t,a.subBuilds)),i=new NodeVarying(t,n,s,o),e.push(i),this.registerDeclaration(i),a[r]=i}return i}registerDeclaration(e){const s=this.shaderStage,o=this.declarations[s]||(this.declarations[s]={}),n=this.getPropertyName(e);let i=1,t=n;for(;o[t]!==0[0];)t=n+"_"+i++;i>1&&(e.name=t,warn(`TSL: Declaration name '${n}' of '${e.type}' already in use. Renamed to '${t}'.`)),o[t]=e}getCodeFromNode(e,t,n=this.shaderStage){const o=this.getDataFromNode(e);let s=o.code;if(s===0[0]){const e=this.codes[n]||(this.codes[n]=[]),i=e.length;s=new NodeCode("nodeCode"+i,t),e.push(s),o.code=s}return s}addFlowCodeHierarchy(e,t){const{flowCodes:o,flowCodeBlock:i}=this.getDataFromNode(e);let s=!0,n=t;for(;n;){if(i.get(n)===!0){s=!1;break}n=this.getDataFromNode(n).parentNodeBlock}if(s)for(const e of o)this.addLineFlowCode(e)}addLineFlowCodeBlock(e,t,n){const s=this.getDataFromNode(e),o=s.flowCodes||(s.flowCodes=[]),i=s.flowCodeBlock||(s.flowCodeBlock=new WeakMap);o.push(t),i.set(n,!0)}addLineFlowCode(e,t=null){return e===""?this:(t!==null&&this.context.nodeBlock&&this.addLineFlowCodeBlock(t,e,this.context.nodeBlock),e=this.tab+e,/;\s*$/.test(e)||(e=e+`;
66`),this.flow.code+=e,this)}addFlowCode(e){return this.flow.code+=e,this}addFlowTab(){return this.tab+="	",this}removeFlowTab(){return this.tab=this.tab.slice(0,-1),this}getFlowData(e){return this.flowsData.get(e)}flowNode(e){const n=e.getNodeType(this),t=this.flowChildNode(e,n);return this.flowsData.set(e,t),t}addInclude(e){this.currentFunctionNode!==null&&this.currentFunctionNode.includes.push(e)}buildFunctionNode(e){const t=new FunctionNode,n=this.currentFunctionNode;return this.currentFunctionNode=t,t.code=this.buildFunctionCode(e),this.currentFunctionNode=n,t}flowShaderNode(e){const t=e.layout,n={[Symbol.iterator](){let e=0;const t=Object.values(this);return{next:()=>({value:t[e],done:e++>=t.length})}}};for(const e of t.inputs)n[e.name]=new ParameterNode(e.type,e.name);e.layout=null;const s=e.call(n),o=this.flowStagesNode(s,t.type);return e.layout=t,o}flowBuildStage(e,t,n=null){const s=this.getBuildStage();this.setBuildStage(t);const o=e.build(this,n);return this.setBuildStage(s),o}flowStagesNode(e,t=null){const s=this.flow,o=this.vars,i=this.declarations,a=this.cache,r=this.buildStage,c=this.stack,n={code:""};this.flow=n,this.vars={},this.declarations={}

66,this.cache=new NodeCache,this.stack=stack();for(const s of defaultBuildStages)this.setBuildStage(s),n.result=e.build(this,t);return n.vars=this.getVars(this.shaderStage),this.flow=s,this.vars=o,this.declarations=i,this.cache=a,this.stack=c,this.setBuildStage(r),n}getFunctionOperator(){return null}buildFunctionCode(){warn("Abstract function.")}flowChildNode(e,t=null){const s=this.flow,n={code:""};return this.flow=n,n.result=e.build(this,t),this.flow=s,n}flowNodeFromShaderStage(e,t,n=null,s=null){const a=this.tab,r=this.cache,c=this.shaderStage,l=this.context;this.setShaderStage(e);const i={...this.context};delete i.nodeBlock,this.cache=this.globalCache,this.tab="	",this.context=i;let o=null;if(this.buildStage==="generate"){const i=this.flowChildNode(t,n);s!==null&&(i.code+=`${this.tab+s} = ${i.result};
67`),this.flowCode[e]=this.flowCode[e]+i.code,o=i}else o=t.build(this);return this.setShaderStage(c),this.cache=r,this.tab=a,this.context=l,o}getAttributesArray(){return this.attributes.concat(this.bufferAttributes)}getAttributes(){warn("Abstract function.")}getVaryings(){warn("Abstract function.")}getVar(e,t,n=null){return`${n!==null?this.generateArrayDeclaration(e,n):this.getType(e)} ${t}`}getVars(e){let t="";const n=this.vars[e];if(n!==0[0])for(const e of n)t+=`${this.getVar(e.type,e.name)}; `;return t}getUniforms(){warn("Abstract function.")}getCodes(e){const t=this.codes[e];let n="";if(t!==0[0])for(const e of t)n+=e.code+`
68`;return n}getHash(){return this.vertexShader+this.fragmentShader+this.computeShader}setShaderStage(e){this.shaderStage=e}getShaderStage(){return this.shaderStage}setBuildStage(e){this.buildStage=e}getBuildStage(){return this.buildStage}buildCode(){warn("Abstract function.")}get subBuild(){return this.subBuildLayers[this.subBuildLayers.length-1]||null}addSubBuild(e){this.subBuildLayers.push(e)}removeSubBuild(){return this.subBuildLayers.pop()}getClosestSubBuild(e){let t;if(e&&e.isNode?e.isShaderCallNodeInternal?t=e.shaderNode.subBuilds:e.isStackNode?t=[e.subBuild]:t=this.getDataFromNode(e,"any").subBuilds:e instanceof Set?t=[...e]:t=e,!t)return null;const n=this.subBuildLayers;for(let e=t.length-1;e>=0;e--){const s=t[e];if(n.includes(s))return s}return null}getSubBuildOutput(e){return this.getSubBuildProperty("outputNode",e)}getSubBuildProperty(e="",t=null){let n;t!==null?n=this.getClosestSubBuild(t):n=this.subBuildFn;let s;return n?s=e?n+"_"+e:n:s=e,s}build(){const{object:t,material:e,renderer:n}=this;if(e!==null){let t=n.library.fromMaterial(e);t===null&&(error(`NodeMaterial: Material "${e.type}" is not compatible.`),t=new NodeMaterial),t.build(this)}else this.addFlow("compute",t);for(const e of defaultBuildStages){this.setBuildStage(e),this.context.vertex&&this.context.vertex.isNode&&this.flowNodeFromShaderStage("vertex",this.context.vertex);for(const t of shaderStages){this.setShaderStage(t);const n=this.flowNodes[t];for(const t of n)e==="generate"?this.flowNode(t):t.build(this)}}return this.setBuildStage(null),this.setShaderStage(null),this.buildCode(),this.buildUpdateNodes(),this}getSharedDataFromNode(e){let t=sharedNodeData.get(e);return t===0[0]&&(t={}),t}getNodeUniform(e,t){const s=this.getSharedDataFromNode(e);let n=s.cache;if(n===0[0]){if(t==="float"||t==="int"||t==="uint")n=new NumberNodeUniform(e);else if(t==="vec2"||t==="ivec2"||t==="uvec2")n=new Vector2NodeUniform(e);else if(t==="vec3"||t==="ivec3"||t==="uvec3")n=new Vector3NodeUniform(e);else if(t==="vec4"||t==="ivec4"||t==="uvec4")n=new Vector4NodeUniform(e);else if(t==="color")n=new ColorNodeUniform(e);else if(t==="mat2")n=new Matrix2NodeUniform(e);else if(t==="mat3")n=new Matrix3NodeUniform(e);else if(t==="mat4")n=new Matrix4NodeUniform(e);else throw new Error(`Uniform "${t}" not implemented.`);s.cache=n}return n}format(e,t,n){if(t=this.getVectorType(t),n=this.getVectorType(n),t===n||n===null||this.isReference(n))return e;const o=this.getTypeLength(t),s=this.getTypeLength(n);return o===16&&s===9?`${this.getType(n)}( ${e}[ 0 ].xyz, ${e}[ 1 ].xyz, ${e}[ 2 ].xyz )`:o===9&&s===4?`${this.getType(n)}( ${e}[ 0 ].xy, ${e}[ 1 ].xy )`:o>4?e:s>4||s===0?e:o===s?`${this.getType(n)}( ${e} )`:o>s?(e=n==="bool"?`all( ${e} )`:`${e}.${"xyz".slice(0,s)}`,this.format(e,this.getTypeFromLength(s,this.getComponentType(t)),n)):s===4&&o>1?`${this.getType(n)}( ${this.format(e,t,"vec3")}, 1.0 )`:o===2?`${this.getType(n)}( ${this.format(e,t,"vec2")}, 0.0 )`:(o===1&&s>1&&t!==this.getComponentType(n)&&(e=`${this.getType(this.getComponentType(n))}( ${e} )`),`${this.getType(n)}( ${e} )`)}getSignature(){return`// Three.js r${REVISION} - Node System
69`}}class NodeFrame{constructor(){this.time=0,this.deltaTime=0,this.frameId=0,this.renderId=0,this.updateMap=new WeakMap,this.updateBeforeMap=new WeakMap,this.updateAfterMap=new WeakMap,this.renderer=null,this.material=null,this.camera=null,this.object=null,this.scene=null}_getMaps(e,t){let n=e.get(t);return n===0[0]&&(n={renderId:0,frameId:0},e.set(t,n)),n}updateBeforeNode(e){const t=e.getUpdateBeforeType(),n=e.updateReference(this);if(t===NodeUpdateType.FRAME){{const t=this._getMaps(this.updateBeforeMap,n);if(t.frameId!==this.frameId){const n=t.frameId;t.frameId=this.frameId,e.updateBefore(this)===!1&&(t.frameId=n)}}}else if(t===NodeUpdateType.RENDER){{const t=this._getMaps(this.updateBeforeMap,n);if(t.renderId!==this.renderId){const n=t.renderId;t.renderId=this.renderId,e.updateBefore(this)===!1&&(t.renderId=n)}}}else t===NodeUpdateType.OBJECT&&e.updateBefore(this)}updateAfterNode(e){const t=e.getUpdateAfterType(),n=e.updateReference(this);if(t===NodeUpdateType.FRAME){const t=this._getMaps(this.updateAfterMap,n);t.frameId!==this.frameId&&e.updateAfter(this)!==!1&&(t.frameId=this.frameId)}else if(t===NodeUpdateType.RENDER){const t=this._getMaps(this.updateAfterMap,n);t.renderId!==this.renderId&&e.updateAfter(this)!==!1&&(t.renderId=this.renderId)}else t===NodeUpdateType.OBJECT&&e.updateAfter(this)}updateNode(e){const t=e.getUpdateType(),n=e.updateReference(this);if(t===NodeUpdateType.FRAME){const t=this._getMaps(this.updateMap,n);t.frameId!==this.frameId&&e.update(this)!==!1&&(t.frameId=this.frameId)}else if(t===NodeUpdateType.RENDER){const t=this._getMaps(this.updateMap,n);t.renderId!==this.renderId&&e.update(this)!==!1&&(t.renderId=this.renderId)}else t===NodeUpdateType.OBJECT&&e.update(this)}update(){this.frameId++,this.lastTime===0[0]&&(this.lastTime=performance.now()),this.deltaTime=(performance.now()-this.lastTime)/1e3,this.lastTime=performance.now(),this.time+=this.deltaTime}}

69class NodeFunctionInput{constructor(e,t,n=null,s="",o=!1){this.type=e,this.name=t,this.count=n,this.qualifier=s,this.isConst=o}}NodeFunctionInput.isNodeFunctionInput=!0;class DirectionalLightNode extends AnalyticLightNode{static get type(){return"DirectionalLightNode"}constructor(e=null){super(e)}setupDirect(){const e=this.colorNode,t=lightTargetDirection(this.light);return{lightDirection:t,lightColor:e}}}_matrix41=new Matrix4,_matrix42=new Matrix4,_ltcLib=null;class RectAreaLightNode extends AnalyticLightNode{static get type(){return"RectAreaLightNode"}constructor(e=null){super(e),this.halfHeight=uniform(new Vector3).setGroup(renderGroup),this.halfWidth=uniform(new Vector3).setGroup(renderGroup),this.updateType=NodeUpdateType.RENDER}update(e){super.update(e);const{light:t}=this,n=e.camera.matrixWorldInverse;_matrix42.identity(),_matrix41.copy(t.matrixWorld),_matrix41.premultiply(n),_matrix42.extractRotation(_matrix41),this.halfWidth.value.set(t.width*.5,0,0),this.halfHeight.value.set(0,t.height*.5,0),this.halfWidth.value.applyMatrix4(_matrix42),this.halfHeight.value.applyMatrix4(_matrix42)}setupDirectRectArea(e){let t,n;e.isAvailable("float32Filterable")?(t=texture(_ltcLib.LTC_FLOAT_1),n=texture(_ltcLib.LTC_FLOAT_2)):(t=texture(_ltcLib.LTC_HALF_1),n=texture(_ltcLib.LTC_HALF_2));const{colorNode:s,light:o}=this,i=lightViewPosition(o);return{lightColor:s,lightPosition:i,halfWidth:this.halfWidth,halfHeight:this.halfHeight,ltc_1:t,ltc_2:n}}static setLTC(e){_ltcLib=e}}class SpotLightNode extends AnalyticLightNode{static get type(){return"SpotLightNode"}constructor(e=null){super(e),this.coneCosNode=uniform(0).setGroup(renderGroup),this.penumbraCosNode=uniform(0).setGroup(renderGroup),this.cutoffDistanceNode=uniform(0).setGroup(renderGroup),this.decayExponentNode=uniform(0).setGroup(renderGroup),this.colorNode=uniform(this.color).setGroup(renderGroup)}update(e){super.update(e);const{light:t}=this;this.coneCosNode.value=Math.cos(t.angle),this.penumbraCosNode.value=Math.cos(t.angle*(1-t.penumbra)),this.cutoffDistanceNode.value=t.distance,this.decayExponentNode.value=t.decay}getSpotAttenuation(e,t){const{coneCosNode:n,penumbraCosNode:s}=this;return smoothstep2(n,s,t)}getLightCoord(e){const n=e.getNodeProperties(this);let t=n.projectionUV;return t===0[0]&&(t=lightProjectionUV(this.light,e.context.positionWorld),n.projectionUV=t),t}setupDirect(e){const{colorNode:u,cutoffDistanceNode:m,decayExponentNode:h,light:t}=this,i=this.getLightVector(e),a=i.normalize(),r=a.dot(lightTargetDirection(t)),c=this.getSpotAttenuation(e,r),l=i.length(),d=getDistanceAttenuation({lightDistance:l,cutoffDistance:m,decayExponent:h});let s=u.mul(c).mul(d),o,n;if(t.colorNode?(n=this.getLightCoord(e),o=t.colorNode(n)):t.map&&(n=this.getLightCoord(e),o=texture(t.map,n.xy).onRenderUpdate(()=>t.map)),o){const e=n.mul(2).sub(1).abs().lessThan(1).all();s=e.select(s.mul(o),s)}return{lightColor:s,lightDirection:a}}}class IESSpotLightNode extends SpotLightNode{static get type(){return"IESSpotLightNode"}getSpotAttenuation(e,t){const n=this.light.iesMap;let s=null;if(n&&n.isTexture===!0){const e=t.acos().mul(1/Math.PI);s=texture(n,vec2(e,0),0).r}else s=super.getSpotAttenuation(t);return s}}sdBox=Fn(([e,t])=>{const n=e.abs().sub(t);return length(max$1(n,0)).add(min$1(max$1(n.x,n.y),0))});class ProjectorLightNode extends SpotLightNode{static get type(){return"ProjectorLightNode"}update(e){super.update(e);const t=this.light;if(this.penumbraCosNode.value=Math.min(Math.cos(t.angle*(1-t.penumbra)),.99999),t.aspect===null){let e=1;t.map!==null&&(e=t.map.width/t.map.height),t.shadow.aspect=e}else t.shadow.aspect=t.aspect}getSpotAttenuation(e){const n=float(0),s=this.penumbraCosNode,t=lightShadowMatrix(this.light).mul(e.context.positionWorld||positionWorld);return If(t.w.greaterThan(0),()=>{const e=t.xyz.div(t.w),o=sdBox(e.xy.sub(vec2(.5)),vec2(.5)),i=div(-1,sub(1,acos(s)).sub(1));n.assign(saturate(o.mul(-2).mul(i)))}),n}}class AmbientLightNode extends AnalyticLightNode{static get type(){return"AmbientLightNode"}constructor(e=null){super(e)}setup({context:e}){e.irradiance.addAssign(this.colorNode)}}class HemisphereLightNode extends AnalyticLightNode{static get type(){return"HemisphereLightNode"}constructor(e=null){super(e),this.lightPositionNode=lightPosition(e),this.lightDirectionNode=this.lightPositionNode.normalize(),this.groundColorNode=uniform(new Color).setGroup(renderGroup)}update(e){const{light:t}=this;super.update(e),this.lightPositionNode.object3d=t,this.groundColorNode.value.copy(t.groundColor).multiplyScalar(t.intensity)}setup(e){const{colorNode:t,groundColorNode:n,lightDirectionNode:s}=this,o=normalWorld.dot(s),i=o.mul(.5).add(.5),a=mix(n,t,i);

69e.context.irradiance.addAssign(a)}}class LightProbeNode extends AnalyticLightNode{static get type(){return"LightProbeNode"}constructor(e=null){super(e);const t=[];for(let e=0;e<9;e++)t.push(new Vector3);this.lightProbe=uniformArray(t)}update(e){const{light:t}=this;super.update(e);for(let e=0;e<9;e++)this.lightProbe.array[e].copy(t.sh.coefficients[e]).multiplyScalar(t.intensity)}setup(e){const t=getShIrradianceAt(normalWorld,this.lightProbe);e.context.irradiance.addAssign(t)}}class NodeParser{parseFunction(){warn("Abstract function.")}}class NodeFunction{constructor(e,t,n="",s=""){this.type=e,this.inputs=t,this.name=n,this.precision=s}getCode(){warn("Abstract function.")}}NodeFunction.isNodeFunction=!0,declarationRegexp$1=/^\s*(highp|mediump|lowp)?\s*([a-z_0-9]+)\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)/i,propertiesRegexp$1=/[a-z_0-9]+/ig,pragmaMain="#pragma main",parse$1=e=>{e=e.trim();const n=e.indexOf(pragmaMain),s=n!==-1?e.slice(n+pragmaMain.length):e,t=s.match(declarationRegexp$1);if(t!==null&&t.length===5){const a=t[4],i=[];let r=null;for(;(r=propertiesRegexp$1.exec(a))!==null;)i.push(r);const c=[];let o=0;for(;o<i.length;){const n=i[o][0]==="const";n===!0&&o++;let e=i[o][0];e==="in"||e==="out"||e==="inout"?o++:e="";const s=i[o++][0];let t=Number.parseInt(i[o][0]);Number.isNaN(t)===!1?o++:t=null;const a=i[o++][0];c.push(new NodeFunctionInput(s,a,t,e,n))}const l=s.substring(t[0].length),d=t[3]!==0[0]?t[3]:"",u=t[2],h=t[1]!==0[0]?t[1]:"",m=n!==-1?e.slice(0,n):"";return{type:u,inputs:c,name:d,precision:h,inputsCode:a,blockCode:l,headerCode:m}}throw new Error("FunctionNode: Function is not a GLSL code.")};class GLSLNodeFunction extends NodeFunction{constructor(e){const{type:t,inputs:n,name:s,precision:o,inputsCode:i,blockCode:a,headerCode:r}=parse$1(e);super(t,n,s,o),this.inputsCode=i,this.blockCode=a,this.headerCode=r}getCode(e=this.name){let t;const n=this.blockCode;if(n!==""){const{type:i,inputsCode:a,headerCode:r,precision:o}=this;let s=`${i} ${e} ( ${a.trim()} )`;o!==""&&(s=`${o} ${s}`),t=r+s+n}else t="";return t}}class GLSLNodeParser extends NodeParser{parseFunction(e){return new GLSLNodeFunction(e)}}_outputNodeMap=new WeakMap,_chainKeys$2=[],_cacheKeyValues=[];class Nodes extends DataMap{constructor(e,t){super(),this.renderer=e,this.backend=t,this.nodeFrame=new NodeFrame,this.nodeBuilderCache=new Map,this.callHashCache=new ChainMap,this.groupsData=new ChainMap,this.cacheLib={}}updateGroup(e){const t=e.groupNode,s=t.name;if(s===objectGroup.name)return!0;if(s===renderGroup.name){const t=this.get(e),n=this.nodeFrame.renderId;return t.renderId!==n&&(t.renderId=n,!0)}if(s===frameGroup.name){const t=this.get(e),n=this.nodeFrame.frameId;return t.frameId!==n&&(t.frameId=n,!0)}_chainKeys$2[0]=t,_chainKeys$2[1]=e;let n=this.groupsData.get(_chainKeys$2);return n===0[0]&&this.groupsData.set(_chainKeys$2,n={}),_chainKeys$2.length=0,n.version!==t.version&&(n.version=t.version,!0)}getForRenderCacheKey(e){return e.initialCacheKey}getForRender(e){const n=this.get(e);let t=n.nodeBuilderState;if(t===0[0]){const{nodeBuilderCache:s}=this,o=this.getForRenderCacheKey(e);if(t=s.get(o),t===0[0]){const i=t=>{const n=this.backend.createNodeBuilder(e.object,this.renderer);return n.scene=e.scene,n.material=t,n.camera=e.camera,n.context.material=t,n.lightsNode=e.lightsNode,n.environmentNode=this.getEnvironmentNode(e.scene),n.fogNode=this.getFogNode(e.scene),n.clippingContext=e.clippingContext,!!this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview&&n.enableMultiview(),n};let n=i(e.material);try{n.build()}catch(e){n=i(new NodeMaterial),n.build(),error("TSL: "+e)}t=this._createNodeBuilderState(n),s.set(o,t)}t.usedTimes++,n.nodeBuilderState=t}return t}delete(e){if(e.isRenderObject){const t=this.get(e).nodeBuilderState;t.usedTimes--,t.usedTimes===0&&this.nodeBuilderCache.delete(this.getForRenderCacheKey(e))}return super.delete(e)}getForCompute(e){const n=this.get(e);let t=n.nodeBuilderState;if(t===0[0]){const s=this.backend.createNodeBuilder(e,this.renderer);s.build(),t=this._createNodeBuilderState(s),n.nodeBuilderState=t}return t}_createNodeBuilderState(e){return new NodeBuilderState(e.vertexShader,e.fragmentShader,e.computeShader,e.getAttributesArray(),e.getBindings(),e.updateNodes,e.updateBeforeNodes,e.updateAfterNodes,e.observer,e.transforms)}getEnvironmentNode(e){this.updateEnvironment(e);let t=null;if(e.environmentNode&&e.environmentNode.isNode)t=e.environmentNode;else{const n=this.get(e);n.environmentNode&&(t=n.environmentNode)}return t}

69getBackgroundNode(e){this.updateBackground(e);let t=null;if(e.backgroundNode&&e.backgroundNode.isNode)t=e.backgroundNode;else{const n=this.get(e);n.backgroundNode&&(t=n.backgroundNode)}return t}getFogNode(e){return this.updateFog(e),e.fogNode||this.get(e).fogNode||null}getCacheKey(e,t){_chainKeys$2[0]=e,_chainKeys$2[1]=t;const s=this.renderer.info.calls,n=this.callHashCache.get(_chainKeys$2)||{};if(n.callId!==s){const o=this.getEnvironmentNode(e),i=this.getFogNode(e);t&&_cacheKeyValues.push(t.getCacheKey(!0)),o&&_cacheKeyValues.push(o.getCacheKey()),i&&_cacheKeyValues.push(i.getCacheKey()),_cacheKeyValues.push(this.renderer.getOutputRenderTarget()&&this.renderer.getOutputRenderTarget().multiview?1:0),_cacheKeyValues.push(this.renderer.shadowMap.enabled?1:0),_cacheKeyValues.push(this.renderer.shadowMap.type),n.callId=s,n.cacheKey=hashArray(_cacheKeyValues),this.callHashCache.set(_chainKeys$2,n),_cacheKeyValues.length=0}return _chainKeys$2.length=0,n.cacheKey}get isToneMappingState(){return!this.renderer.getRenderTarget()}

69updateBackground(e){const n=this.get(e),t=e.background;if(t){{const s=e.backgroundBlurriness===0&&n.backgroundBlurriness>0||e.backgroundBlurriness>0&&n.backgroundBlurriness===0;if(n.background!==t||s){const o=this.getCacheNode("background",t,()=>{if(t.isCubeTexture===!0||t.mapping===EquirectangularReflectionMapping||t.mapping===EquirectangularRefractionMapping||t.mapping===CubeUVReflectionMapping){if(e.backgroundBlurriness>0||t.mapping===CubeUVReflectionMapping)return pmremTexture(t);let n;return t.isCubeTexture===!0?n=cubeTexture(t):n=texture(t),cubeMapNode(n)}else if(t.isTexture===!0)return texture(t,screenUV.flipY()).setUpdateMatrix(!0);else t.isColor!==!0&&error("WebGPUNodes: Unsupported background configuration.",t)},s);n.backgroundNode=o,n.background=t,n.backgroundBlurriness=e.backgroundBlurriness}}}else n.backgroundNode&&(delete n.backgroundNode,delete n.background)}getCacheNode(e,t,n,s=!1){const i=this.cacheLib[e]||(this.cacheLib[e]=new WeakMap);let o=i.get(t);return(o===0[0]||s)&&(o=n(),i.set(t,o)),o}updateFog(e){const n=this.get(e),t=e.fog;if(t){if(n.fog!==t){const e=this.getCacheNode("fog",t,()=>{if(t.isFogExp2){const e=reference("color","color",t).setGroup(renderGroup),n=reference("density","float",t).setGroup(renderGroup);return fog(e,densityFogFactor(n))}if(t.isFog){const e=reference("color","color",t).setGroup(renderGroup),n=reference("near","float",t).setGroup(renderGroup),s=reference("far","float",t).setGroup(renderGroup);return fog(e,rangeFogFactor(n,s))}error("Renderer: Unsupported fog configuration.",t)});n.fogNode=e,n.fog=t}}else delete n.fogNode,delete n.fog}updateEnvironment(e){const n=this.get(e),t=e.environment;if(t){if(n.environment!==t){const e=this.getCacheNode("environment",t,()=>{if(t.isCubeTexture===!0)return cubeTexture(t);if(t.isTexture===!0)return texture(t);error("Nodes: Unsupported environment configuration.",t)});n.environmentNode=e,n.environment=t}}else n.environmentNode&&(delete n.environmentNode,delete n.environment)}getNodeFrame(e=this.renderer,t=null,n=null,s=null,o=null){const i=this.nodeFrame;return i.renderer=e,i.scene=t,i.object=n,i.camera=s,i.material=o,i}getNodeFrameForRender(e){return this.getNodeFrame(e.renderer,e.scene,e.object,e.camera,e.material)}getOutputCacheKey(){const e=this.renderer;return e.toneMapping+","+e.currentColorSpace+","+e.xr.isPresenting}hasOutputChange(e){const t=_outputNodeMap.get(e);return t!==this.getOutputCacheKey()}getOutputNode(e){const t=this.renderer,n=this.getOutputCacheKey(),s=e.isArrayTexture?texture3D(e,vec3(screenUV,builtin("gl_ViewID_OVR"))).renderOutput(t.toneMapping,t.currentColorSpace):texture(e,screenUV).renderOutput(t.toneMapping,t.currentColorSpace);return _outputNodeMap.set(e,n),s}updateBefore(e){const t=e.getNodeBuilderState();for(const n of t.updateBeforeNodes)this.getNodeFrameForRender(e).updateBeforeNode(n)}updateAfter(e){const t=e.getNodeBuilderState();for(const n of t.updateAfterNodes)this.getNodeFrameForRender(e).updateAfterNode(n)}updateForCompute(e){const t=this.getNodeFrame(),n=this.getForCompute(e);for(const e of n.updateNodes)t.updateNode(e)}updateForRender(e){const t=this.getNodeFrameForRender(e),n=e.getNodeBuilderState();for(const e of n.updateNodes)t.updateNode(e)}needsRefresh(e){const t=this.getNodeFrameForRender(e),n=e.getMonitor();return n.needsRefresh(e,t)}dispose(){super.dispose(),this.nodeFrame=new NodeFrame,this.nodeBuilderCache=new Map,this.cacheLib={}}}_plane=new Plane;class ClippingContext{constructor(e=null){this.version=0,this.clipIntersection=null,this.cacheKey="",this.shadowPass=!1,this.viewNormalMatrix=new Matrix3,this.clippingGroupContexts=new WeakMap,this.intersectionPlanes=[],this.unionPlanes=[],this.parentVersion=null,e!==null&&(this.viewNormalMatrix=e.viewNormalMatrix,this.clippingGroupContexts=e.clippingGroupContexts,this.shadowPass=e.shadowPass,this.viewMatrix=e.viewMatrix)}projectPlanes(e,t,n){const s=e.length;for(let o=0;o<s;o++){_plane.copy(e[o]).applyMatrix4(this.viewMatrix,this.viewNormalMatrix);const i=t[n+o],a=_plane.normal;i.x=-a.x,i.y=-a.y,i.z=-a.z,i.w=_plane.constant}}updateGlobal(e,t){this.shadowPass=e.overrideMaterial!==null&&e.overrideMaterial.isShadowPassMaterial,this.viewMatrix=t.matrixWorldInverse,this.viewNormalMatrix.getNormalMatrix(this.viewMatrix)}update(e,t){let i=!1;e.version!==this.parentVersion&&(this.intersectionPlanes=Array.from(e.intersectionPlanes),this.unionPlanes=Array.from(e.unionPlanes),this.parentVersion=e.version),this.clipIntersection!==t.clipIntersection&&(this.clipIntersection=t.clipIntersection,this.clipIntersection?this.unionPlanes.length=e.unionPlanes.length:this.intersectionPlanes.length=e.intersectionPlanes.length);const a=t.clippingPlanes,o=a.length;let n,s;if(this.clipIntersection?(n=this.intersectionPlanes,s=e.intersectionPlanes.length):(n=this.unionPlanes,s=e.unionPlanes.length),n.length!==s+o){n.length=s+o;for(let e=0;e<o;e++)n[s+e]=new Vector4;i=!0}this.projectPlanes(a,n,s),i&&(this.version++,this.cacheKey=`${this.intersectionPlanes.length}:${this.unionPlanes.length}`)}

69getGroupContext(e){if(this.shadowPass&&!e.clipShadows)return this;let t=this.clippingGroupContexts.get(e);return t===0[0]&&(t=new ClippingContext(this),this.clippingGroupContexts.set(e,t)),t.update(this,e),t}get unionClippingCount(){return this.unionPlanes.length}}class RenderBundle{constructor(e,t){this.bundleGroup=e,this.camera=t}}_chainKeys$1=[];class RenderBundles{constructor(){this.bundles=new ChainMap}get(e,t){const s=this.bundles;_chainKeys$1[0]=e,_chainKeys$1[1]=t;let n=s.get(_chainKeys$1);return n===0[0]&&(n=new RenderBundle(e,t),s.set(_chainKeys$1,n)),_chainKeys$1.length=0,n}dispose(){this.bundles=new ChainMap}}class NodeLibrary{constructor(){this.lightNodes=new WeakMap,this.materialNodes=new Map,this.toneMappingNodes=new Map}fromMaterial(e){if(e.isNodeMaterial)return e;let t=null;const n=this.getMaterialNodeClass(e.type);if(n!==null){t=new n;for(const n in e)t[n]=e[n]}return t}addToneMapping(e,t){this.addType(e,t,this.toneMappingNodes)}getToneMappingFunction(e){return this.toneMappingNodes.get(e)||null}getMaterialNodeClass(e){return this.materialNodes.get(e)||null}addMaterial(e,t){this.addType(e,t,this.materialNodes)}getLightNodeClass(e){return this.lightNodes.get(e)||null}addLight(e,t){this.addClass(e,t,this.lightNodes)}addType(e,t,n){if(n.has(t)){warn(`Redefinition of node ${t}`);return}if(typeof e!="function")throw new Error(`Node class ${e.name} is not a class.`);if(typeof t=="function"||typeof t=="object")throw new Error(`Base class ${t} is not a class.`);n.set(t,e)}addClass(e,t,n){if(n.has(t)){warn(`Redefinition of node ${t.name}`);return}if(typeof e!="function")throw new Error(`Node class ${e.name} is not a class.`);if(typeof t!="function")throw new Error(`Base class ${t.name} is not a class.`);n.set(t,e)}}_defaultLights=new LightsNode,_chainKeys=[];class Lighting extends ChainMap{constructor(){super()}createNode(e=[]){return(new LightsNode).setLights(e)}getNode(e,t){if(e.isQuadMesh)return _defaultLights;_chainKeys[0]=e,_chainKeys[1]=t;let n=this.get(_chainKeys);return n===0[0]&&(n=this.createNode(),this.set(_chainKeys,n)),_chainKeys.length=0,n}}class XRRenderTarget extends RenderTarget{constructor(e=1,t=1,n={}){super(e,t,n),this.isXRRenderTarget=!0,this._hasExternalTextures=!1,this._autoAllocateDepthBuffer=!0,this._isOpaqueFramebuffer=!1}copy(e){return super.copy(e),this._hasExternalTextures=e._hasExternalTextures,this._autoAllocateDepthBuffer=e._autoAllocateDepthBuffer,this._isOpaqueFramebuffer=e._isOpaqueFramebuffer,this}}_cameraLPos=new Vector3,_cameraRPos=new Vector3;class XRManager extends EventDispatcher{constructor(e,t=!1){super(),this.enabled=!1,this.isPresenting=!1,this.cameraAutoUpdate=!0,this._renderer=e,this._cameraL=new PerspectiveCamera,this._cameraL.viewport=new Vector4,this._cameraR=new PerspectiveCamera,this._cameraR.viewport=new Vector4,this._cameras=[this._cameraL,this._cameraR],this._cameraXR=new ArrayCamera,this._currentDepthNear=null,this._currentDepthFar=null,this._controllers=[],this._controllerInputSources=[],this._xrRenderTarget=null,this._layers=[],this._sessionUsesLayers=!1,this._supportsGlBinding=typeof XRWebGLBinding!="undefined",this._frameBufferTargets=null,this._createXRLayer=createXRLayer.bind(this),this._gl=null,this._currentAnimationContext=null,this._currentAnimationLoop=null,this._currentPixelRatio=null,this._currentSize=new Vector2,this._onSessionEvent=onSessionEvent.bind(this),this._onSessionEnd=onSessionEnd.bind(this),this._onInputSourcesChange=onInputSourcesChange.bind(this),this._onAnimationFrame=onAnimationFrame.bind(this),this._referenceSpace=null,this._referenceSpaceType="local-floor",this._customReferenceSpace=null,this._framebufferScaleFactor=1,this._foveation=1,this._session=null,this._glBaseLayer=null,this._glBinding=null,this._glProjLayer=null,this._xrFrame=null,this._supportsLayers=this._supportsGlBinding&&"createProjectionLayer"in XRWebGLBinding.prototype,this._useMultiviewIfPossible=t,this._useMultiview=!1}getController(e){const t=this._getController(e);return t.getTargetRaySpace()}getControllerGrip(e){const t=this._getController(e);return t.getGripSpace()}getHand(e){const t=this._getController(e);return t.getHandSpace()}getFoveation(){if(this._glProjLayer===null&&this._glBaseLayer===null)return;return this._foveation}setFoveation(e){this._foveation=e,this._glProjLayer!==null&&(this._glProjLayer.fixedFoveation=e),this._glBaseLayer!==null&&this._glBaseLayer.fixedFoveation!==0[0]&&(this._glBaseLayer.fixedFoveation=e)}getFramebufferScaleFactor(){return this._framebufferScaleFactor}setFramebufferScaleFactor(e){this._framebufferScaleFactor=e,this.isPresenting===!0&&warn("XRManager: Cannot change framebuffer scale while presenting.")}getReferenceSpaceType(){return this._referenceSpaceType}setReferenceSpaceType(e){this._referenceSpaceType=e,this.isPresenting===!0&&warn("XRManager: Cannot change reference space type while presenting.")}getReferenceSpace(){return this._customReferenceSpace||this._referenceSpace}setReferenceSpace(e){this._customReferenceSpace=e}getCamera(){return this._cameraXR}getEnvironmentBlendMode(){if(this._session!==null)return this._session.environmentBlendMode}getBinding(){return this._glBinding===null&&this._supportsGlBinding&&(this._glBinding=new XRWebGLBinding(this._session,this._gl)),this._glBinding}getFrame(){return this._xrFrame}useMultiview(){return this._useMultiview}createQuadLayer(e,t,n,s,o,i,a,r={}){const h=new PlaneGeometry(e,t),d=new XRRenderTarget(o,i,{format:RGBAFormat,type:UnsignedByteType,depthTexture:new DepthTexture(o,i,r.stencil?UnsignedInt248Type:UnsignedIntType,0[0],0[0],0[0],0[0],0[0],0[0],r.stencil?DepthStencilFormat:DepthFormat),stencilBuffer:r.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});d._autoAllocateDepthBuffer=!0;const l=new MeshBasicMaterial({color:16777215,side:FrontSide});l.map=d.texture,l.map.offset.y=1,l.map.repeat.y=-1;const u=new Mesh(h,l);u.position.copy(n),u.quaternion.copy(s);const c={type:"quad",width:e,height:t,translation:n,quaternion:s,pixelwidth:o,pixelheight:i,plane:u,material:l,rendercall:a,renderTarget:d};if(this._layers.push(c),this._session!==null){c.plane.material=new MeshBasicMaterial({color:16777215,side:FrontSide}),c.plane.material.blending=CustomBlending,c.plane.material.blendEquation=AddEquation,c.plane.material.blendSrc=ZeroFactor,c.plane.material.blendDst=ZeroFactor,c.xrlayer=this._createXRLayer(c);const e=this._session.renderState.layers;e.unshift(c.xrlayer),this._session.updateRenderState({layers:e})}else d.isXRRenderTarget=!1;return u}createCylinderLayer(e,t,n,s,o,i,a,r,c={}){const m=new CylinderGeometry(e,e,e*t/n,64,64,!0,Math.PI-t/2,t),u=new XRRenderTarget(i,a,{format:RGBAFormat,type:UnsignedByteType,depthTexture:new DepthTexture(i,a,c.stencil?UnsignedInt248Type:UnsignedIntType,0[0],0[0],0[0],0[0],0[0],0[0],c.stencil?DepthStencilFormat:DepthFormat),stencilBuffer:c.stencil,resolveDepthBuffer:!1,resolveStencilBuffer:!1});u._autoAllocateDepthBuffer=!0;const d=new MeshBasicMaterial({color:16777215,side:BackSide});d.map=u.texture,d.map.offset.y=1,d.map.repeat.y=-1;const h=new Mesh(m,d);h.position.copy(s),h.quaternion.copy(o);

69const l={type:"cylinder",radius:e,centralAngle:t,aspectratio:n,translation:s,quaternion:o,pixelwidth:i,pixelheight:a,plane:h,material:d,rendercall:r,renderTarget:u};if(this._layers.push(l),this._session!==null){l.plane.material=new MeshBasicMaterial({color:16777215,side:BackSide}),l.plane.material.blending=CustomBlending,l.plane.material.blendEquation=AddEquation,l.plane.material.blendSrc=ZeroFactor,l.plane.material.blendDst=ZeroFactor,l.xrlayer=this._createXRLayer(l);const e=this._session.renderState.layers;e.unshift(l.xrlayer),this._session.updateRenderState({layers:e})}else u.isXRRenderTarget=!1;return h}renderLayers(){const n=new Vector3,s=new Quaternion,e=this._renderer,o=this.isPresenting,i=e.getOutputRenderTarget(),a=e._frameBufferTarget;this.isPresenting=!1;const t=new Vector2;e.getSize(t);const r=e._quad;for(const t of this._layers)if(t.renderTarget.isXRRenderTarget=this._session!==null,t.renderTarget._hasExternalTextures=t.renderTarget.isXRRenderTarget,t.renderTarget.isXRRenderTarget&&this._sessionUsesLayers){t.xrlayer.transform=new XRRigidTransform(t.plane.getWorldPosition(n),t.plane.getWorldQuaternion(s));const i=this._glBinding.getSubImage(t.xrlayer,this._xrFrame);e.backend.setXRRenderTargetTextures(t.renderTarget,i.colorTexture,0[0]),e._setXRLayerSize(t.renderTarget.width,t.renderTarget.height),e.setOutputRenderTarget(t.renderTarget),e.setRenderTarget(null),e._frameBufferTarget=null,this._frameBufferTargets||(this._frameBufferTargets=new WeakMap);const{frameBufferTarget:o,quad:a}=this._frameBufferTargets.get(t.renderTarget)||{frameBufferTarget:null,quad:null};o?(e._frameBufferTarget=o,e._quad=a):(e._quad=new QuadMesh(new NodeMaterial),this._frameBufferTargets.set(t.renderTarget,{frameBufferTarget:e._getFrameBufferTarget(),quad:e._quad})),t.rendercall(),e._frameBufferTarget=null}else e.setRenderTarget(t.renderTarget),t.rendercall();e.setRenderTarget(null),e.setOutputRenderTarget(i),e._frameBufferTarget=a,e._setXRLayerSize(t.x,t.y),e._quad=r,this.isPresenting=o}getSession(){return this._session}async setSession(e){const t=this._renderer,s=t.backend;this._gl=t.getContext();const n=this._gl,o=n.getContextAttributes();if(this._session=e,e!==null){if(s.isWebGPUBackend===!0)throw new Error('THREE.XRManager: XR is currently not supported with a WebGPU backend. Use WebGL by passing "{ forceWebGL: true }" to the constructor of the renderer.');if(e.addEventListener("select",this._onSessionEvent),e.addEventListener("selectstart",this._onSessionEvent),e.addEventListener("selectend",this._onSessionEvent),e.addEventListener("squeeze",this._onSessionEvent),e.addEventListener("squeezestart",this._onSessionEvent),e.addEventListener("squeezeend",this._onSessionEvent),e.addEventListener("end",this._onSessionEnd),e.addEventListener("inputsourceschange",this._onInputSourcesChange),await s.makeXRCompatible(),this._currentPixelRatio=t.getPixelRatio(),t.getSize(this._currentSize),this._currentAnimationContext=t._animation.getContext(),this._currentAnimationLoop=t._animation.getAnimationLoop(),t._animation.stop(),this._supportsLayers===!0){let i=null,a=null,r=null;t.depth&&(r=t.stencil?n.DEPTH24_STENCIL8:n.DEPTH_COMPONENT24,i=t.stencil?DepthStencilFormat:DepthFormat,a=t.stencil?UnsignedInt248Type:UnsignedIntType);const c={colorFormat:n.RGBA8,depthFormat:r,scaleFactor:this._framebufferScaleFactor,clearOnAccess:!1};this._useMultiviewIfPossible&&t.hasFeature("OVR_multiview2")&&(c.textureType="texture-array",this._useMultiview=!0),this._glBinding=this.getBinding();const s=this._glBinding.createProjectionLayer(c),l=[s];this._glProjLayer=s,t.setPixelRatio(1),t._setXRLayerSize(s.textureWidth,s.textureHeight);const d=this._useMultiview?2:1,u=new DepthTexture(s.textureWidth,s.textureHeight,a,0[0],0[0],0[0],0[0],0[0],0[0],i,d);if(this._xrRenderTarget=new XRRenderTarget(s.textureWidth,s.textureHeight,{format:RGBAFormat,type:UnsignedByteType,colorSpace:t.outputColorSpace,depthTexture:u,stencilBuffer:t.stencil,samples:o.antialias?4:0,resolveDepthBuffer:s.ignoreDepthValues===!1,resolveStencilBuffer:s.ignoreDepthValues===!1,depth:this._useMultiview?2

69:1,multiview:this._useMultiview}),this._xrRenderTarget._hasExternalTextures=!0,this._xrRenderTarget.depth=this._useMultiview?2:1,this._sessionUsesLayers=e.enabledFeatures.includes("layers"),this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType()),this._sessionUsesLayers)for(const e of this._layers)e.plane.material=new MeshBasicMaterial({color:16777215,side:e.type==="cylinder"?BackSide:FrontSide}),e.plane.material.blending=CustomBlending,e.plane.material.blendEquation=AddEquation,e.plane.material.blendSrc=ZeroFactor,e.plane.material.blendDst=ZeroFactor,e.xrlayer=this._createXRLayer(e),l.unshift(e.xrlayer);e.updateRenderState({layers:l})}else{const o={antialias:t.currentSamples>0,alpha:!0,depth:t.depth,stencil:t.stencil,framebufferScaleFactor:this.getFramebufferScaleFactor()},s=new XRWebGLLayer(e,n,o);this._glBaseLayer=s,e.updateRenderState({baseLayer:s}),t.setPixelRatio(1),t._setXRLayerSize(s.framebufferWidth,s.framebufferHeight),this._xrRenderTarget=new XRRenderTarget(s.framebufferWidth,s.framebufferHeight,{format:RGBAFormat,type:UnsignedByteType,colorSpace:t.outputColorSpace,stencilBuffer:t.stencil,resolveDepthBuffer:s.ignoreDepthValues===!1,resolveStencilBuffer:s.ignoreDepthValues===!1}),this._xrRenderTarget._isOpaqueFramebuffer=!0,this._referenceSpace=await e.requestReferenceSpace(this.getReferenceSpaceType())}this.setFoveation(this.getFoveation()),t._animation.setAnimationLoop(this._onAnimationFrame),t._animation.setContext(e),t._animation.start(),this.isPresenting=!0,this.dispatchEvent({type:"sessionstart"})}}updateCamera(e){const a=this._session;if(a===null)return;const r=e.near,c=e.far,t=this._cameraXR,n=this._cameraL,s=this._cameraR;t.near=s.near=n.near=r,t.far=s.far=n.far=c,t.isMultiViewCamera=this._useMultiview,(this._currentDepthNear!==t.near||this._currentDepthFar!==t.far)&&(a.updateRenderState({depthNear:t.near,depthFar:t.far}),this._currentDepthNear=t.near,this._currentDepthFar=t.far),t.layers.mask=e.layers.mask|6,n.layers.mask=t.layers.mask&3,s.layers.mask=t.layers.mask&5;const o=e.parent,i=t.cameras;updateCamera(t,o);for(let e=0;e<i.length;e++)updateCamera(i[e],o);i.length===2?setProjectionFromUnion(t,n,s):t.projectionMatrix.copy(n.projectionMatrix),updateUserCamera(e,t,o)}_getController(e){let t=this._controllers[e];return t===0[0]&&(t=new WebXRController,this._controllers[e]=t),t}}function setProjectionFromUnion(e,t,n){_cameraLPos.setFromMatrixPosition(t.matrixWorld),_cameraRPos.setFromMatrixPosition(n.matrixWorld);const d=_cameraLPos.distanceTo(_cameraRPos),s=t.projectionMatrix.elements,l=n.projectionMatrix.elements,i=s[14]/(s[10]-1),a=s[14]/(s[10]+1),p=(s[9]+1)/s[5],h=(s[9]-1)/s[5],c=(s[8]-1)/s[0],u=(l[8]+1)/l[0],f=i*c,m=i*u,o=d/(-c+u),r=o*-c;if(t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(r),e.translateZ(o),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert(),s[10]===-1)e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse);else{const t=i+o,n=a+o,s=f-r,c=m+(d-r),l=p*a/n*t,u=h*a/n*t;e.projectionMatrix.makePerspective(s,c,l,u,t,n),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}}function updateCamera(e,t){t===null?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function updateUserCamera(e,t,n){n===null?e.matrix.copy(t.matrixWorld):(e.matrix.copy(n.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld)),e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=RAD2DEG*2*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}function onSessionEvent(e){const n=this._controllerInputSources.indexOf(e.inputSource);if(n===-1)return;const t=this._controllers[n];if(t!==0[0]){const n=this.getReferenceSpace();t.update(e.inputSource,e.frame,n),t.dispatchEvent({type:e.type,data:e.inputSource})}}function onSessionEnd(){const e=this._session,t=this._renderer;e.removeEventListener("select",this._onSessionEvent),e.removeEventListener("selectstart",this._onSessionEvent),e.removeEventListener("selectend",this._onSessionEvent),e.removeEventListener("squeeze",this._onSessionEvent),e.removeEventListener("squeezestart",this._onSessionEvent),e.removeEventListener("squeezeend",this._onSessionEvent),e.removeEventListener("end",this._onSessionEnd),e.removeEventListener("inputsourceschange",this._onInputSourcesChange);for(let e=0;e<this._controllers.length;e++){const t=this._controllerInputSources[e];if(t===null)continue;this._controllerInputSources[e]=null,this._controllers[e].disconnect(t)}if(this._currentDepthNear=null,this._currentDepthFar=null,t._resetXRState(),this._session=null,this._xrRenderTarget=null,this._glBinding=null,this._glBaseLayer=null,this._glProjLayer=null,this._sessionUsesLayers===!0)for(const e of this._layers)e.renderTarget=new XRRenderTarget(e.pixelwidth,e.pixelheight,{format:RGBAFormat,type:UnsignedByteType,depthTexture:new DepthTexture(e.pixelwidth,e.pixelheight,e.stencilBuffer?UnsignedInt248Type:UnsignedIntType,0[0],0[0],0[0],0[0],0[0],0[0],e.stencilBuffer?DepthStencilFormat:DepthFormat),stencilBuffer:e.stencilBuffer,resolveDepthBuffer:!1,resolveStencilBuffer:!1}),e.renderTarget.isXRRenderTarget=!1,e.plane.material=e.material,e.material.map=e.renderTarget.texture,e.material.map.offset.y=1,e.material.map.repeat.y=-1,delete e.xrlayer;this.isPresenting=!1,this._useMultiview=!1,t._animation.stop(),t._animation.setAnimationLoop(this._currentAnimationLoop),t._animation.setContext(this._currentAnimationContext),t._animation.start(),t.setPixelRatio(this._currentPixelRatio),t.setSize(this._currentSize.width,this._currentSize.height,!1),this.dispatchEvent({type:"sessionend"})}function onInputSourcesChange(e){const n=this._controllers,t=this._controllerInputSources;for(let s=0;s<e.removed.length;s++){const i=e.removed[s],o=t.indexOf(i);o>=0&&(t[o]=null,n[o].disconnect(i))}for(let i=0;i<e.added.length;i++){const o=e.added[i];let s=t.indexOf(o);if(s===-1){for(let e=0;e<n.length;e++){if(e>=t.length){t.push(o),s=e;break}if(t[e]===null){t[e]=o,s=e;break}}if(s===-1)break}const a=n[s];a&&a.connect(o)}}function createXRLayer(e){return e.type==="quad"?this._glBinding.createQuadLayer({transform:new XRRigidTransform(e.translation,e.quaternion),width:e.width/2,height:e.height/2,space

69:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1}):this._glBinding.createCylinderLayer({transform:new XRRigidTransform(e.translation,e.quaternion),radius:e.radius,centralAngle:e.centralAngle,aspectRatio:e.aspectRatio,space:this._referenceSpace,viewPixelWidth:e.pixelwidth,viewPixelHeight:e.pixelheight,clearOnAccess:!1})}function onAnimationFrame(e,t){if(t===0[0])return;const n=this._cameraXR,s=this._renderer,o=s.backend,i=this._glBaseLayer,a=this.getReferenceSpace(),r=t.getViewerPose(a);if(this._xrFrame=t,r!==null){const e=r.views;this._glBaseLayer!==null&&o.setXRTarget(i.framebuffer);let t=!1;e.length!==n.cameras.length&&(n.cameras.length=0,t=!0);for(let a=0;a<e.length;a++){const c=e[a];let r;if(this._supportsLayers===!0){const e=this._glBinding.getViewSubImage(this._glProjLayer,c);r=e.viewport,a===0&&o.setXRRenderTargetTextures(this._xrRenderTarget,e.colorTexture,this._glProjLayer.ignoreDepthValues&&!this._useMultiview?0[0]:e.depthStencilTexture)}else r=i.getViewport(c);let s=this._cameras[a];s===0[0]&&(s=new PerspectiveCamera,s.layers.enable(a),s.viewport=new Vector4,this._cameras[a]=s),s.matrix.fromArray(c.transform.matrix),s.matrix.decompose(s.position,s.quaternion,s.scale),s.projectionMatrix.fromArray(c.projectionMatrix),s.projectionMatrixInverse.copy(s.projectionMatrix).invert(),s.viewport.set(r.x,r.y,r.width,r.height),a===0&&(n.matrix.copy(s.matrix),n.matrix.decompose(n.position,n.quaternion,n.scale)),t===!0&&n.cameras.push(s)}s.setOutputRenderTarget(this._xrRenderTarget)}for(let e=0;e<this._controllers.length;e++){const n=this._controllerInputSources[e],s=this._controllers[e];n!==null&&s!==0[0]&&s.update(n,t,a)}this._currentAnimationLoop&&this._currentAnimationLoop(e,t),t.detectedPlanes&&this.dispatchEvent({type:"planesdetected",data:t}),this._xrFrame=null}class CanvasTarget extends EventDispatcher{constructor(e){super(),this.domElement=e,this._pixelRatio=1,this._width=this.domElement.width,this._height=this.domElement.height,this._viewport=new Vector4(0,0,this._width,this._height),this._scissor=new Vector4(0,0,this._width,this._height),this._scissorTest=!1,this.colorTexture=new FramebufferTexture,this.depthTexture=new DepthTexture}getPixelRatio(){return this._pixelRatio}getDrawingBufferSize(e){return e.set(this._width*this._pixelRatio,this._height*this._pixelRatio).floor()}getSize(e){return e.set(this._width,this._height)}setPixelRatio(e=1){if(this._pixelRatio===e)return;this._pixelRatio=e,this.setSize(this._width,this._height,!1)}setDrawingBufferSize(e,t,n){if(this.xr&&this.xr.isPresenting)return;this._width=e,this._height=t,this._pixelRatio=n,this.domElement.width=Math.floor(e*n),this.domElement.height=Math.floor(t*n),this.setViewport(0,0,e,t),this._dispatchResize()}setSize(e,t,n=!0){if(this.xr&&this.xr.isPresenting)return;this._width=e,this._height=t,this.domElement.width=Math.floor(e*this._pixelRatio),this.domElement.height=Math.floor(t*this._pixelRatio),n===!0&&(this.domElement.style.width=e+"px",this.domElement.style.height=t+"px"),this.setViewport(0,0,e,t),this._dispatchResize()}getScissor(e){const t=this._scissor;return e.x=t.x,e.y=t.y,e.width=t.width,e.height=t.height,e}setScissor(e,t,n,s){const o=this._scissor;e.isVector4?o.copy(e):o.set(e,t,n,s)}getScissorTest(){return this._scissorTest}setScissorTest(e){this._scissorTest=e}getViewport(e){return e.copy(this._viewport)}setViewport(e,t,n,s,o=0,i=1){const a=this._viewport;e.isVector4?a.copy(e):a.set(e,t,n,s),a.minDepth=o,a.maxDepth=i}_dispatchResize(){this.dispatchEvent({type:"resize"})}dispose(){this.dispatchEvent({type:"dispose"})}}_scene=new Scene,_drawingBufferSize=new Vector2,_screen=new Vector4,_frustum=new Frustum,_frustumArray=new FrustumArray,_projScreenMatrix2=new Matrix4,_vector4=new Vector4;class Renderer{constructor(e,t={}){this.isRenderer=!0;const{logarithmicDepthBuffer:n=!1,alpha:s=!0,depth:o=!0,stencil:i=!1,antialias:a=!1,samples:r=0,getFallback:c=null,outputBufferType:l=HalfFloatType,multiview:d=!1}=t;this.backend=e,this.autoClear=!0,this.autoClearColor=!0,this.autoClearDepth=!0,this.autoClearStencil=!0,this.alpha=s,this.logarithmicDepthBuffer=n,this.outputColorSpace

69=SRGBColorSpace,this.toneMapping=NoToneMapping,this.toneMappingExposure=1,this.sortObjects=!0,this.depth=o,this.stencil=i,this.info=new Info,this.contextNode=context(),this.library=new NodeLibrary,this.lighting=new Lighting,this._samples=r||a===!0?4:0,this._onCanvasTargetResize=this._onCanvasTargetResize.bind(this),this._canvasTarget=new CanvasTarget(e.getDomElement()),this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize),this._canvasTarget.isDefaultCanvasTarget=!0,this._inspector=new InspectorBase,this._inspector.setRenderer(this),this._getFallback=c,this._attributes=null,this._geometries=null,this._nodes=null,this._animation=null,this._bindings=null,this._objects=null,this._pipelines=null,this._bundles=null,this._renderLists=null,this._renderContexts=null,this._textures=null,this._background=null,this._quad=new QuadMesh(new NodeMaterial),this._quad.name="Output Color Transform",this._quad.material.name="outputColorTransform",this._currentRenderContext=null,this._opaqueSort=null,this._transparentSort=null,this._frameBufferTarget=null;const u=this.alpha===!0?0:1;this._clearColor=new Color4(0,0,0,u),this._clearDepth=1,this._clearStencil=0,this._renderTarget=null,this._activeCubeFace=0,this._activeMipmapLevel=0,this._outputRenderTarget=null,this._mrt=null,this._renderObjectFunction=null,this._currentRenderObjectFunction=null,this._currentRenderBundle=null,this._handleObjectFunction=this._renderObjectDirect,this._isDeviceLost=!1,this.onDeviceLost=this._onDeviceLost,this._outputBufferType=l,this._cacheShadowNodes=new WeakMap,this._initialized=!1,this._initPromise=null,this._compilationPromises=null,this.transparent=!0,this.opaque=!0,this.shadowMap={enabled:!1,type:PCFShadowMap},this.xr=new XRManager(this,d),this.debug={checkShaderErrors:!0,onShaderError:null,getShaderAsync:async(e,t,n)=>{await this.compileAsync(e,t);const o=this._renderLists.get(e,t),s=this._renderContexts.get(e,t,this._renderTarget,this._mrt),i=e.overrideMaterial||n.material,a=this._objects.get(n,i,e,t,o.lightsNode,s,s.clippingContext),{fragmentShader:r,vertexShader:c}=a.getNodeBuilderState();return{fragmentShader:r,vertexShader:c}}}}

69async init(){return this._initPromise!==null?this._initPromise:(this._initPromise=new Promise(async(e,t)=>{let n=this.backend;try{await n.init(this)}catch(e){if(this._getFallback!==null)try{this.backend=n=this._getFallback(e),await n.init(this)}catch(e){t(e);return}else{t(e);return}}this._nodes=new Nodes(this,n),this._animation=new Animation(this,this._nodes,this.info),this._attributes=new Attributes(n),this._background=new Background(this,this._nodes),this._geometries=new Geometries(this._attributes,this.info),this._textures=new Textures(this,n,this.info),this._pipelines=new Pipelines(n,this._nodes),this._bindings=new Bindings(n,this._nodes,this._textures,this._attributes,this._pipelines,this.info),this._objects=new RenderObjects(this,this._nodes,this._geometries,this._pipelines,this._bindings,this.info),this._renderLists=new RenderLists(this.lighting),this._bundles=new RenderBundles,this._renderContexts=new RenderContexts,this._animation.start(),this._initialized=!0,this._inspector.init(),e(this)}),this._initPromise)}get domElement(){return this._canvasTarget.domElement}get coordinateSystem(){return this.backend.coordinateSystem}async compileAsync(e,t,n=null){if(this._isDeviceLost===!0)return;this._initialized===!1&&await this.init();const r=this._nodes.nodeFrame,g=r.renderId,p=this._currentRenderContext,m=this._currentRenderObjectFunction,h=this._compilationPromises,i=e.isScene===!0?e:_scene;n===null&&(n=e);const a=this._renderTarget,s=this._renderContexts.get(n,t,a,this._mrt),f=this._activeMipmapLevel,c=[];this._currentRenderContext=s,this._currentRenderObjectFunction=this.renderObject,this._handleObjectFunction=this._createObjectPipeline,this._compilationPromises=c,r.renderId++,r.update(

69),s.depth=this.depth,s.stencil=this.stencil,s.clippingContext||(s.clippingContext=new ClippingContext),s.clippingContext.updateGlobal(i,t),i.onBeforeRender(this,e,t,a);const o=this._renderLists.get(e,t);if(o.begin(),this._projectObject(e,t,0,o,s.clippingContext),n!==e&&n.traverseVisible(function(e){e.isLight&&e.layers.test(t.layers)&&o.pushLight(e)}),o.finish(),a!==null){this._textures.updateRenderTarget(a,f);const e=this._textures.get(a);s.textures=e.textures,s.depthTexture=e.depthTexture}else s.textures=null,s.depthTexture=null;this._background.update(i,o,s);const l=o.opaque,d=o.transparent,v=o.transparentDoublePass,u=o.lightsNode;this.opaque===!0&&l.length>0&&this._renderObjects(l,t,i,u),this.transparent===!0&&d.length>0&&this._renderTransparents(d,v,t,i,u),r.renderId=g,this._currentRenderContext=p,this._currentRenderObjectFunction=m,this._compilationPromises=h,this._handleObjectFunction=this._renderObjectDirect,await Promise.all(c)}async renderAsync(e,t){warnOnce('Renderer: "renderAsync()" has been deprecated. Use "render()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.render(e,t)}async waitForGPU(){error("Renderer: waitForGPU() has been removed. Read https://github.com/mrdoob/three.js/issues/32012 for more information.")}set inspector(e){this._inspector!==null&&this._inspector.setRenderer(null),this._inspector=e,this._inspector.setRenderer(this)}get inspector(){return this._inspector}set highPrecision(e){const t=this.contextNode.value;e===!0?(t.modelViewMatrix=highpModelViewMatrix,t.modelNormalViewMatrix=highpModelNormalViewMatrix):this.highPrecision&&(delete t.modelViewMatrix,delete t.modelNormalViewMatrix)}get highPrecision(){const e=this.contextNode.value;return e.modelViewMatrix===highpModelViewMatrix&&e.modelNormalViewMatrix===highpModelNormalViewMatrix}setMRT(e){return this._mrt=e,this}getMRT(){return this._mrt}getOutputBufferType(){return this._outputBufferType}getColorBufferType(){return warnOnce('Renderer: ".getColorBufferType()" has been renamed to ".getOutputBufferType()".'),this.getOutputBufferType()}_onDeviceLost(e){let t=`THREE.WebGPURenderer: ${e.api} Device Lost:
70
71Message: ${e.message}`;e.reason&&(t+=`
72Reason: ${e.reason}`),error(t),this._isDeviceLost=!0}_renderBundle(e,t,n){const{bundleGroup:a,camera:r,renderList:l}=e,o=this._currentRenderContext,i=this._bundles.get(a,r),s=this.backend.get(i);s.renderContexts===0[0]&&(s.renderContexts=new Set);const c=a.version!==s.version,d=s.renderContexts.has(o)===!1||c;if(s.renderContexts.add(o),d){this.backend.beginBundle(o),(s.renderObjects===0[0]||c)&&(s.renderObjects=[]),this._currentRenderBundle=i;const{transparentDoublePass:u,transparent:e,opaque:d}=l;this.opaque===!0&&d.length>0&&this._renderObjects(d,r,t,n),this.transparent===!0&&e.length>0&&this._renderTransparents(e,u,r,t,n),this._currentRenderBundle=null,this.backend.finishBundle(o,i),s.version=a.version}else{const{renderObjects:e}=s;for(let n=0,s=e.length;n<s;n++){const t=e[n];this._nodes.needsRefresh(t)&&(this._nodes.updateBefore(t),this._nodes.updateForRender(t),this._bindings.updateForRender(t),this._nodes.updateAfter(t))}}this.backend.addBundle(o,i)}render(e,t){if(this._initialized===!1)throw new Error('Renderer: .render() called before the backend is initialized. Use "await renderer.init();" before rendering.');this._renderScene(e,t)}get initialized(){return this._initialized}_getFrameBufferTarget(){const{currentToneMapping:r,currentColorSpace:c}=this,l=r!==NoToneMapping,d=c!==ColorManagement.workingColorSpace;if(l===!1&&d===!1)return null;const{width:s,height:o}=this.getDrawingBufferSize(_drawingBufferSize),{depth:i,stencil:a}=this;let e=this._frameBufferTarget;e===null&&(e=new RenderTarget(s,o,{depthBuffer:i,stencilBuffer:a,type:this._outputBufferType,format:RGBAFormat,colorSpace:ColorManagement.workingColorSpace,generateMipmaps:!1,minFilter:LinearFilter,magFilter:LinearFilter,samples:this.samples}),e.isPostProcessingRenderTarget=!0,this._frameBufferTarget=e);const t=this.getOutputRenderTarget();e.depthBuffer=i,e.stencilBuffer=a,t!==null?e.setSize(t.width,t.height,t.depth):e.setSize(s,o,1);const n=this._canvasTarget;return e.viewport.copy(n._viewport),e.scissor.copy(n._scissor),e.viewport.multiplyScalar(n._pixelRatio),e.scissor.multiplyScalar(n._pixelRatio),e.scissorTest=n._scissorTest,e.multiview=t!==null&&t.multiview,e.resolveDepthBuffer=t===null||t.resolveDepthBuffer,e._autoAllocateDepthBuffer=t!==null&&t._autoAllocateDepthBuffer,e}

72_renderScene(e,t,n=!0){if(this._isDeviceLost===!0)return;const h=n?this._getFrameBufferTarget():null,f=this._nodes.nodeFrame,k=f.renderId,E=this._currentRenderContext,w=this._currentRenderObjectFunction,r=e.isScene===!0?e:_scene,g=this._renderTarget||this._outputRenderTarget,v=this._activeCubeFace,i=this._activeMipmapLevel;let o;h!==null?(o=h,this.setRenderTarget(o)):o=g;const s=this._renderContexts.get(e,t,o,this._mrt);this._currentRenderContext=s,this._currentRenderObjectFunction=this._renderObjectFunction||this.renderObject,this.info.calls++,this.info.render.calls++,this.info.render.frameCalls++,f.renderId=this.info.calls,this.backend.updateTimeStampUID(s),this.inspector.beginRender(this.backend.getTimestampUID(s),e,t,o);const p=this.coordinateSystem,l=this.xr;if(t.coordinateSystem!==p&&l.isPresenting===!1&&(t.coordinateSystem=p,t.updateProjectionMatrix(),t.isArrayCamera))for(const e of t.cameras)e.coordinateSystem=p,e.updateProjectionMatrix();e.matrixWorldAutoUpdate===!0&&e.updateMatrixWorld(),t.parent===null&&t.matrixWorldAutoUpdate===!0&&t.updateMatrixWorld(),l.enabled===!0&&l.isPresenting===!0&&(l.cameraAutoUpdate===!0&&l.updateCamera(t),t=l.getCamera());const d=this._canvasTarget;let c=d._viewport,b=d._scissor,u=d._pixelRatio;o!==null&&(c=o.viewport,b=o.scissor,u=1),this.getDrawingBufferSize(_drawingBufferSize),_screen.set(0,0,_drawingBufferSize.width,_drawingBufferSize.height);const O=c.minDepth===0[0]?0:c.minDepth,x=c.maxDepth===0[0]?1:c.maxDepth;s.viewportValue.copy(c).multiplyScalar(u).floor(),s.viewportValue.width>>=i,s.viewportValue.height>>=i,s.viewportValue.minDepth=O,s.viewportValue.maxDepth=x,s.viewport=s.viewportValue.equals(_screen)===!1,s.scissorValue.copy(b).multiplyScalar(u).floor(),s.scissor=d._scissorTest&&s.scissorValue.equals(_screen)===!1,s.scissorValue.width>>=i,s.scissorValue.height>>=i,s.clippingContext||(s.clippingContext=new ClippingContext),s.clippingContext.updateGlobal(r,t),r.onBeforeRender(this,e,t,o);const C=t.isArrayCamera?_frustumArray:_frustum;t.isArrayCamera||(_projScreenMatrix2.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),C.setFromProjectionMatrix(_projScreenMatrix2,t.coordinateSystem,t.reversedDepth));const a=this._renderLists.get(e,t);if(a.begin(),this._projectObject(e,t,0,a,s.clippingContext),a.finish(),this.sortObjects===!0&&a.sort(this._opaqueSort,this._transparentSort),o!==null){this._textures.updateRenderTarget(o,i);const e=this._textures.get(o);s.textures=e.textures,s.depthTexture=e.depthTexture,s.width=e.width,s.height=e.height,s.renderTarget=o,s.depth=o.depthBuffer,s.stencil=o.stencilBuffer}else s.textures=null,s.depthTexture=null,s.width=_drawingBufferSize.width,s.height=_drawingBufferSize.height,s.depth=this.depth,s.stencil=this.stencil;s.width>>=i,s.height>>=i,s.activeCubeFace=v,s.activeMipmapLevel=i,s.occlusionQueryCount=a.occlusionQueryCount,s.scissorValue.max(_vector4.set(0,0,0,0)),s.scissorValue.x+s.scissorValue.width>s.width&&(s.scissorValue.width=Math.max(s.width-s.scissorValue.x,0)),s.scissorValue.y+s.scissorValue.height>s.height&&(s.scissorValue.height=Math.max(s.height-s.scissorValue.y,0)),this._background.update(r,a,s),s.camera=t,this.backend.beginRender(s);const{bundles:j,lightsNode:m,transparentDoublePass:A,transparent:y,opaque:_}=a;return j.length>0&&this._renderBundles(j,r,m),this.opaque===!0&&_.length>0&&this._renderObjects(_,t,r,m),this.transparent===!0&&y.length>0&&this._renderTransparents(y,A,t,r,m),this.backend.finishRender(s),f.renderId=k,this._currentRenderContext=E,this._currentRenderObjectFunction=w,h!==null&&(this.setRenderTarget(g,v,i),this._renderOutput(o)),r.onAfterRender(this,e,t,o),this.inspector.finishRender(this.backend.getTimestampUID(s)),s}_setXRLayerSize(e,t){this._canvasTarget._width=e,this._canvasTarget._height=t,this.setViewport(0,0,e,t)}_renderOutput(e){const t=this._quad;this._nodes.hasOutputChange(e.texture)&&(t.material.fragmentNode=this._nodes.getOutputNode(e.texture),t.material.needsUpdate=!0);const n=this.autoClear,s=this.xr.enabled;this.autoClear=!1,this.xr.enabled=!1,this._renderScene(t,t.camera,!1),this.autoClear=n,this.xr.enabled=s}getMaxAnisotropy(){return this.backend.getMaxAnisotropy()}getActiveCubeFace(){return this._activeCubeFace}getActiveMipmapLevel(){return this._activeMipmapLevel}async setAnimationLoop(e){this._initialized===!1&&await this.init(),this._animation.setAnimationLoop(e)}getAnimationLoop(){return this._animation.getAnimationLoop()}async getArrayBufferAsync(e){return await this.backend.getArrayBufferAsync(e)}getContext(){return this.backend.getContext()}getPixelRatio(){return this._canvasTarget.getPixelRatio()}getDrawingBufferSize(e){return this._canvasTarget.getDrawingBufferSize(e)}getSize(e){return this._canvasTarget.getSize(e)}setPixelRatio(e=1){this._canvasTarget.setPixelRatio(e)}setDrawingBufferSize(e,t,n){if(this.xr&&this.xr.isPresenting)return;this._canvasTarget.setDrawingBufferSize(e,t,n)}setSize(e,t,n=!0){if(this.xr&&this.xr.isPresenting)return;this._canvasTarget.setSize(e,t,n)}setOpaqueSort(e){this._opaqueSort=e}setTransparentSort(e){this._transparentSort=e}getScissor(e){return this._canvasTarget.getScissor(e)}setScissor(e,t,n,s){this._canvasTarget.setScissor(e,t,n,s)}getScissorTest(){return this._canvasTarget.getScissorTest()}setScissorTest(e){this._canvasTarget.setScissorTest(e),this.backend.setScissorTest(e)}getViewport(e){return this._canvasTarget.getViewport(e)}setViewport(e,t,n,s,o=0,i=1){this._canvasTarget.setViewport(e,t,n,s,o,i)}getClearColor(e){return e.copy(this._clearColor)}

72setClearColor(e,t=1){this._clearColor.set(e),this._clearColor.a=t}getClearAlpha(){return this._clearColor.a}setClearAlpha(e){this._clearColor.a=e}getClearDepth(){return this._clearDepth}setClearDepth(e){this._clearDepth=e}getClearStencil(){return this._clearStencil}setClearStencil(e){this._clearStencil=e}isOccluded(e){const t=this._currentRenderContext;return t&&this.backend.isOccluded(t,e)}clear(e=!0,t=!0,n=!0){if(this._initialized===!1)throw new Error('Renderer: .clear() called before the backend is initialized. Use "await renderer.init();" before before using this method.');const o=this._renderTarget||this._getFrameBufferTarget();let s=null;if(o!==null){this._textures.updateRenderTarget(o);const e=this._textures.get(o);s=this._renderContexts.getForClear(o),s.textures=e.textures,s.depthTexture=e.depthTexture,s.width=e.width,s.height=e.height,s.renderTarget=o,s.depth=o.depthBuffer,s.stencil=o.stencilBuffer,s.clearColorValue=this.backend.getClearColor(),s.activeCubeFace=this.getActiveCubeFace(),s.activeMipmapLevel=this.getActiveMipmapLevel()}this.backend.clear(e,t,n,s),o!==null&&this._renderTarget===null&&this._renderOutput(o)}clearColor(){this.clear(!0,!1,!1)}clearDepth(){this.clear(!1,!0,!1)}clearStencil(){this.clear(!1,!1,!0)}async clearAsync(e=!0,t=!0,n=!0){warnOnce('Renderer: "clearAsync()" has been deprecated. Use "clear()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.clear(e,t,n)}async clearColorAsync(){warnOnce('Renderer: "clearColorAsync()" has been deprecated. Use "clearColor()" and "await renderer.init();" when creating the renderer.'),this.clear(!0,!1,!1)}async clearDepthAsync(){warnOnce('Renderer: "clearDepthAsync()" has been deprecated. Use "clearDepth()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!0,!1)}async clearStencilAsync(){warnOnce('Renderer: "clearStencilAsync()" has been deprecated. Use "clearStencil()" and "await renderer.init();" when creating the renderer.'),this.clear(!1,!1,!0)}get needsFrameBufferTarget(){const e=this.currentToneMapping!==NoToneMapping,t=this.currentColorSpace!==ColorManagement.workingColorSpace;return e||t}get samples(){return this._samples}get currentSamples(){let e=this._samples;return this._renderTarget!==null?e=this._renderTarget.samples:this.needsFrameBufferTarget&&(e=0),e}get currentToneMapping(){return this.isOutputTarget?this.toneMapping:NoToneMapping}get currentColorSpace(){return this.isOutputTarget?this.outputColorSpace:ColorManagement.workingColorSpace}get isOutputTarget(){return this._renderTarget===this._outputRenderTarget||this._renderTarget===null}dispose(){this._initialized===!0&&(this.info.dispose(),this.backend.dispose(),this._animation.dispose(),this._objects.dispose(),this._geometries.dispose(),this._pipelines.dispose(),this._nodes.dispose(),this._bindings.dispose(),this._renderLists.dispose(),this._renderContexts.dispose(),this._textures.dispose(),this._frameBufferTarget!==null&&this._frameBufferTarget.dispose(),Object.values(this.backend.timestampQueryPool).forEach(e=>{e!==null&&e.dispose()})),this.setRenderTarget(null),this.setAnimationLoop(null)}setRenderTarget(e,t=0,n=0){this._renderTarget=e,this._activeCubeFace=t,this._activeMipmapLevel=n}getRenderTarget(){return this._renderTarget}setOutputRenderTarget(e){this._outputRenderTarget=e}getOutputRenderTarget(){return this._outputRenderTarget}setCanvasTarget(e){this._canvasTarget.removeEventListener("resize",this._onCanvasTargetResize),this._canvasTarget=e,this._canvasTarget.addEventListener("resize",this._onCanvasTargetResize)}getCanvasTarget(){return this._canvasTarget}_resetXRState(){this.backend.setXRTarget(null),this.setOutputRenderTarget(null),this.setRenderTarget(null),this._frameBufferTarget.dispose(),this._frameBufferTarget=null}setRenderObjectFunction(e){this._renderObjectFunction=e}getRenderObjectFunction(){return this._renderObjectFunction}compute(e,t=null){if(this._isDeviceLost===!0)return;if(this._initialized===!1)return warn("Renderer: .compute() called before the backend is initialized. Try using .computeAsync() instead."),this.computeAsync(e,t);const n=this._nodes.nodeFrame,c=n.renderId;this.info.calls++,this.info.compute.calls++,this.info.compute.frameCalls++,n.renderId=this.info.calls,this.backend.updateTimeStampUID(e),this.inspector.beginCompute(this.backend.getTimestampUID(e),e);const s=this.backend,o=this._pipelines,i=this._bindings,r=this._nodes,a=Array.isArray(e)?e:[e];if(a[0]===0[0]||a[0].isComputeNode!==!0)throw new Error("THREE.Renderer: .compute() expects a ComputeNode.");s.beginCompute(e);for(const n of a){if(o.has(n)===!1){const e=()=>{n.removeEventListener("dispose",e),o.delete(n),i.deleteForCompute(n),r.delete(n)};n.addEventListener("dispose",e);const t=n.onInitFunction;t!==null&&t.call(n,{renderer:this})}r.updateForCompute(n),i.updateForCompute(n);const c=i.getForCompute(n),l=o.getForCompute(n,c);s.compute(e,n,c,l,t)}s.finishCompute(e),n.renderId=c,this.inspector.finishCompute(this.backend.getTimestampUID(e))}async computeAsync(e,t=null){this._initialized===!1&&await this.init(),this.compute(e,t)}async hasFeatureAsync(e){return warnOnce('Renderer: "hasFeatureAsync()" has been deprecated. Use "hasFeature()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.hasFeature(e)}async resolveTimestampsAsync(e="render"){return this._initialized===!1&&await this.init(),this.backend.resolveTimestampsAsync(e)}hasFeature(e){if(this._initialized===!1)throw new Error('Renderer: .hasFeature() called before the backend is initialized. Use "await renderer.init();" before before using this method.');return this.backend.hasFeature(e)}hasInitialized(){return this._initialized}async initTextureAsync(e){warnOnce('Renderer: "initTextureAsync()" has been deprecated. Use "initTexture()" and "await renderer.init();" when creating the renderer.'),await this.init(),this.initTexture(e)}initTexture(e){if(this._initialized===!1)throw new Error('Renderer: .initTexture() called before the backend is initialized. Use "await renderer.init();" before before using this method.');this._textures.updateTexture(e)}

72copyFramebufferToTexture(e,t=null){if(t!==null)if(t.isVector2)t=_vector4.set(t.x,t.y,e.image.width,e.image.height).floor();else if(t.isVector4)t=_vector4.copy(t).floor();else{error("Renderer.copyFramebufferToTexture: Invalid rectangle.");return}else t=_vector4.set(0,0,e.image.width,e.image.height);let s=this._currentRenderContext,n;s!==null?n=s.renderTarget:(n=this._renderTarget||this._getFrameBufferTarget(),n!==null&&(this._textures.updateRenderTarget(n),s=this._textures.get(n))),this._textures.updateTexture(e,{renderTarget:n}),this.backend.copyFramebufferToTexture(e,s,t),this._inspector.copyFramebufferToTexture(e)}copyTextureToTexture(e,t,n=null,s=null,o=0,i=0){this._textures.updateTexture(e),this._textures.updateTexture(t),this.backend.copyTextureToTexture(e,t,n,s,o,i),this._inspector.copyTextureToTexture(e,t)}async readRenderTargetPixelsAsync(e,t,n,s,o,i=0,a=0){return this.backend.copyTextureToBuffer(e.textures[i],t,n,s,o,a)}_projectObject(e,t,n,s,o){if(e.visible===!1)return;const a=e.layers.test(t.layers);if(a)if(e.isGroup)n=e.renderOrder,e.isClippingGroup&&e.enabled&&(o=o.getGroupContext(e));else if(e.isLOD)e.autoUpdate===!0&&e.update(t);else if(e.isLight)s.pushLight(e);else if(e.isSprite){{const i=t.isArrayCamera?_frustumArray:_frustum;if(!e.frustumCulled||i.intersectsSprite(e,t)){this.sortObjects===!0&&_vector4.setFromMatrixPosition(e.matrixWorld).applyMatrix4(_projScreenMatrix2);const{geometry:i,material:t}=e;t.visible&&s.push(e,i,t,n,_vector4.z,null,o)}}}else if(e.isLineLoop)error("Renderer: Objects of type THREE.LineLoop are not supported. Please use THREE.Line or THREE.LineSegments.");else if(e.isMesh||e.isLine||e.isPoints){const i=t.isArrayCamera?_frustumArray:_frustum;if(!e.frustumCulled||i.intersectsObject(e,t)){const{geometry:t,material:i}=e;if(this.sortObjects===!0&&(t.boundingSphere===null&&t.computeBoundingSphere(),_vector4.copy(t.boundingSphere.center).applyMatrix4(e.matrixWorld).applyMatrix4(_projScreenMatrix2)),Array.isArray(i)){const a=t.groups;for(let r=0,d=a.length;r<d;r++){const l=a[r],c=i[l.materialIndex];c&&c.visible&&s.push(e,t,c,n,_vector4.z,l,o)}}else i.visible&&s.push(e,t,i,n,_vector4.z,null,o)}}if(e.isBundleGroup===!0&&this.backend.beginBundle!==0[0]){const n=s;s=this._renderLists.get(e,t),s.begin(),n.pushBundle({bundleGroup:e,camera:t,renderList:s}),s.finish()}const i=e.children;for(let e=0,a=i.length;e<a;e++)this._projectObject(i[e],t,n,s,o)}_renderBundles(e,t,n){for(const s of e)this._renderBundle(s,t,n)}_renderTransparents(e,t,n,s,o){if(t.length>0){for(const{material:e}of t)e.side=BackSide;this._renderObjects(t,n,s,o,"backSide");for(const{material:e}of t)e.side=FrontSide;this._renderObjects(e,n,s,o);for(const{material:e}of t)e.side=DoubleSide}else this._renderObjects(e,n,s,o)}_renderObjects(e,t,n,s,o=null){for(let i=0,a=e.length;i<a;i++){const{object:r,geometry:c,material:l,group:d,clippingContext:u}=e[i];this._currentRenderObjectFunction(r,n,t,c,l,d,s,u,o)}}_getShadowNodes(e){const n=e.version;let t=this._cacheShadowNodes.get(e);if(t===0[0]||t.version!==n){const o=e.map!==null,i=e.colorNode&&e.colorNode.isNode,a=e.castShadowNode&&e.castShadowNode.isNode;let s=null,r=null,c=null;if(o||i||a){let n,t;a?(n=e.castShadowNode.rgb,t=e.castShadowNode.a):(n=vec3(0),t=float(1)),o&&(t=t.mul(reference("map","texture",e).a)),i&&(t=t.mul(e.colorNode.a)),r=vec4(n,t)}e.depthNode&&e.depthNode.isNode&&(c=e.depthNode),e.castShadowPositionNode&&e.castShadowPositionNode.isNode?s=e.castShadowPositionNode:e.positionNode&&e.positionNode.isNode&&(s=e.positionNode),t={version:n,colorNode:r,depthNode:c,positionNode:s},this._cacheShadowNodes.set(e,t)}return t}renderObject(e,t,n,s,o,i,a,r=null,c=null){let l=!1,d,u,h,m;if(e.onBeforeRender(this,t,n,s,o,i),o.allowOverride===!0&&t.overrideMaterial!==null){const e=t.overrideMaterial;if(l=!0,d=t.overrideMaterial.colorNode,u=t.overrideMaterial.depthNode,h=t.overrideMaterial.positionNode,m=t.overrideMaterial.side,o.positionNode&&o.positionNode.isNode&&(e.positionNode=o.positionNode),e.alphaTest=o.alphaTest,e.alphaMap=o.alphaMap,e.transparent=o.transparent||o.transmission>0||o.transmissionNode&&o.transmissionNode.isNode||o.backdropNode&&o.backdropNode.isNode,e.isShadowPassMaterial){const{colorNode:t,depthNode:n,positionNode:s}=this._getShadowNodes(o);e.side=o.shadowSide===null?o.side:o.shadowSide,t!==null&&(e.colorNode=t),n!==null&&(e.depthNode=n),s!==null&&(e.positionNode=s)}o=e}o.transparent===!0&&o.side===DoubleSide&&o.forceSinglePass===!1?(o.side=BackSide,this._handleObjectFunction(e,o,t,n,a,i,r,"backSide"),o.side=FrontSide,this._handleObjectFunction(e,o,t,n,a,i,r,c),o.side=DoubleSide):this._handleObjectFunction(e,o,t,n,a,i,r,c),l&&(t.overrideMaterial.colorNode=d,t.overrideMaterial.depthNode=u,t.overrideMaterial.positionNode=h,t.overrideMaterial.side=m),e.onAfterRender(this,t,n,s,o,i)}_renderObjectDirect(e,t,n,s,o,i,a,r){const c=this._objects.get(e,t,n,s,o,this._currentRenderContext,a,r);c.drawRange=e.geometry.drawRange,c.group=i;const l=this._nodes.needsRefresh(c);if(l&&(this._nodes.updateBefore(c),this._geometries.updateForRender(c),this._nodes.updateForRender(c),this._bindings.updateForRender(c)),this._pipelines.updateForRender(c),this._currentRenderBundle!==null){const e=this.backend.get(this._currentRenderBundle);e.renderObjects.push(c),c.bundle=this._currentRenderBundle.bundleGroup}this.backend.draw(c,this.info),l&&this._nodes.updateAfter(c)}_createObjectPipeline(e,t,n,s,o,i,a,r){const c=this._objects.get(e,t,n,s,o,this._currentRenderContext,a,r);c.drawRange=e.geometry.drawRange,c.group=i,this._nodes.updateBefore(c),this._geometries.updateForRender(c),this._nodes.updateForRender(c),this._bindings.updateForRender(c),this._pipelines.getForRender(c,this._compilationPromises),this._nodes.updateAfter(c)}_onCanvasTargetResize(){this._initialized&&this.backend.updateSize()}get compile(){return this.compileAsync}}class Binding{constructor(e=""){this.name=e,this.visibility=0}setVisibility(e){this.visibility|=e}getVisibility(){return this.visibility}clone(){return Object.assign(new this.constructor,this)}}function getFloatLength(e){return e+(GPU_CHUNK_BYTES-e%GPU_CHUNK_BYTES)%GPU_CHUNK_BYTES}class Buffer2 extends Binding{constructor(e,t=null){super(e),this.isBuffer=!0,this.bytesPerElement=Float32Array.BYTES_PER_ELEMENT,this._buffer=t,this._updateRanges=[]}get updateRanges(){return this._updateRanges}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}get byteLength(){return getFloatLength(this._buffer.byteLength)}get buffer(){return this._buffer}update(){return!0}}class UniformBuffer extends Buffer2{constructor(e,t=null){super(e,t),this.isUniformBuffer=!0}}_id$4=0;class NodeUniformBuffer extends UniformBuffer{constructor(e,t){super("UniformBuffer_"+_id$4++,e?e.value:null),this.nodeUniform=e,this.groupNode=t,this.isNodeUniformBuffer=!0}set updateRanges(e){this.nodeUniform.updateRanges=e}get updateRanges(){return this.nodeUniform.updateRanges}addUpdateRange(e,t){this.nodeUniform.addUpdateRange(e,t)}clearUpdateRanges(){this.nodeUniform.clearUpdateRanges()}get buffer(){return this.nodeUniform.value}}class UniformsGroup2 extends UniformBuffer{constructor(e){super(e),this.isUniformsGroup=!0,this._values=null,this.uniforms=[]}addUniform(e){return this.uniforms.push(e),this}removeUniform(e){const t=this.uniforms.indexOf(e);return t!==-1&&this.uniforms.splice(t,1),this}get values(){return this._values===null&&(this._values=Array.from(this.buffer)),this._values}get buffer(){let e=this._buffer;if(e===null){const t=this.byteLength;

72e=new Float32Array(new ArrayBuffer(t)),this._buffer=e}return e}get byteLength(){const t=this.bytesPerElement;let e=0;for(let n=0,c=this.uniforms.length;n<c;n++){const s=this.uniforms[n],l=s.boundary,i=s.itemSize*t,a=e%GPU_CHUNK_BYTES,r=a%l,o=a+r;e+=r,o!==0&&GPU_CHUNK_BYTES-o<i&&(e+=GPU_CHUNK_BYTES-o),s.offset=e/t,e+=i}return Math.ceil(e/GPU_CHUNK_BYTES)*GPU_CHUNK_BYTES}update(){let e=!1;for(const t of this.uniforms)this.updateByType(t)===!0&&(e=!0);return e}updateByType(e){if(e.isNumberUniform)return this.updateNumber(e);if(e.isVector2Uniform)return this.updateVector2(e);if(e.isVector3Uniform)return this.updateVector3(e);if(e.isVector4Uniform)return this.updateVector4(e);if(e.isColorUniform)return this.updateColor(e);if(e.isMatrix3Uniform)return this.updateMatrix3(e);if(e.isMatrix4Uniform)return this.updateMatrix4(e);error("WebGPUUniformsGroup: Unsupported uniform type.",e)}updateNumber(e){let n=!1;const s=this.values,o=e.getValue(),t=e.offset,i=e.getType();if(s[t]!==o){const e=this._getBufferForType(i);e[t]=s[t]=o,n=!0}return n}updateVector2(e){let o=!1;const n=this.values,s=e.getValue(),t=e.offset,i=e.getType();if(n[t+0]!==s.x||n[t+1]!==s.y){const e=this._getBufferForType(i);e[t+0]=n[t+0]=s.x,e[t+1]=n[t+1]=s.y,o=!0}return o}updateVector3(e){let o=!1;const n=this.values,s=e.getValue(),t=e.offset,i=e.getType();if(n[t+0]!==s.x||n[t+1]!==s.y||n[t+2]!==s.z){const e=this._getBufferForType(i);e[t+0]=n[t+0]=s.x,e[t+1]=n[t+1]=s.y,e[t+2]=n[t+2]=s.z,o=!0}return o}updateVector4(e){let o=!1;const n=this.values,s=e.getValue(),t=e.offset,i=e.getType();if(n[t+0]!==s.x||n[t+1]!==s.y||n[t+2]!==s.z||n[t+4]!==s.w){const e=this._getBufferForType(i);e[t+0]=n[t+0]=s.x,e[t+1]=n[t+1]=s.y,e[t+2]=n[t+2]=s.z,e[t+3]=n[t+3]=s.w,o=!0}return o}updateColor(e){let o=!1;const n=this.values,s=e.getValue(),t=e.offset;if(n[t+0]!==s.r||n[t+1]!==s.g||n[t+2]!==s.b){const e=this.buffer;e[t+0]=n[t+0]=s.r,e[t+1]=n[t+1]=s.g,e[t+2]=n[t+2]=s.b,o=!0}return o}updateMatrix3(e){let o=!1;const n=this.values,s=e.getValue().elements,t=e.offset;if(n[t+0]!==s[0]||n[t+1]!==s[1]||n[t+2]!==s[2]||n[t+4]!==s[3]||n[t+5]!==s[4]||n[t+6]!==s[5]||n[t+8]!==s[6]||n[t+9]!==s[7]||n[t+10]!==s[8]){const e=this.buffer;e[t+0]=n[t+0]=s[0],e[t+1]=n[t+1]=s[1],e[t+2]=n[t+2]=s[2],e[t+4]=n[t+4]=s[3],e[t+5]=n[t+5]=s[4],e[t+6]=n[t+6]=s[5],e[t+8]=n[t+8]=s[6],e[t+9]=n[t+9]=s[7],e[t+10]=n[t+10]=s[8],o=!0}return o}updateMatrix4(e){let s=!1;const o=this.values,t=e.getValue().elements,n=e.offset;if(arraysEqual(o,t,n)===!1){const e=this.buffer;e.set(t,n),setArray(o,t,n),s=!0}return s}_getBufferForType(e){return e==="int"||e==="ivec2"||e==="ivec3"||e==="ivec4"?new Int32Array(this.buffer.buffer):e==="uint"||e==="uvec2"||e==="uvec3"||e==="uvec4"?new Uint32Array(this.buffer.buffer):this.buffer}}function setArray(e,t,n){for(let s=0,o=t.length;s<o;s++)e[n+s]=t[s]}function arraysEqual(e,t,n){for(let s=0,o=t.length;s<o;s++)if(e[n+s]!==t[s])return!1;return!0}_id$3=0;class NodeUniformsGroup extends UniformsGroup2{constructor(e,t){super(e),this.id=_id$3++,this.groupNode=t,this.isNodeUniformsGroup=!0}}class Sampler extends Binding{constructor(e,t){super(e),this._texture=null,this._onTextureDispose=()=>{this.generation=null,this.version=0},this.texture=t,this.version=t?t.version:0,this.generation=null,this.samplerKey="",this.isSampler=!0}set texture(e){if(this._texture===e)return;this._texture&&this._texture.removeEventListener("dispose",this._onTextureDispose),this._texture=e,this.generation=null,this.version=0,this._texture&&this._texture.addEventListener("dispose",this._onTextureDispose)}get texture(){return this._texture}update(){const{texture:e,version:t}=this;return t!==e.version&&(this.version=e.version,!0)}clone(){const e=super.clone();return e._texture=null,e._onTextureDispose=()=>{e.generation=null,e.version=0},e.texture=this.texture,e}}_id$22=0;class SampledTexture extends Sampler{constructor(e,t){super(e,t),this.id=_id$22++,this.store=!1,this.mipLevel=0,this.isSampledTexture=!0}}class NodeSampledTexture extends SampledTexture{constructor(e,t,n,s=null){super(e,t?t.value:null),this.textureNode=t,this.groupNode=n,this.access=s}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update(

72)}}class NodeSampledCubeTexture extends NodeSampledTexture{constructor(e,t,n,s=null){super(e,t,n,s),this.isSampledCubeTexture=!0}}class NodeSampledTexture3D extends NodeSampledTexture{constructor(e,t,n,s=null){super(e,t,n,s),this.isSampledTexture3D=!0}}glslPolyfills={bitcast_int_uint:new CodeNode("uint tsl_bitcast_int_to_uint ( int x ) { return floatBitsToUint( intBitsToFloat ( x ) ); }"),bitcast_uint_int:new CodeNode("uint tsl_bitcast_uint_to_int ( uint x ) { return floatBitsToInt( uintBitsToFloat ( x ) ); }")},glslMethods={textureDimensions:"textureSize",equals:"equal",bitcast_float_int:"floatBitsToInt",bitcast_int_float:"intBitsToFloat",bitcast_uint_float:"uintBitsToFloat",bitcast_float_uint:"floatBitsToUint",bitcast_uint_int:"tsl_bitcast_uint_to_int",bitcast_int_uint:"tsl_bitcast_int_to_uint",floatpack_snorm_2x16:"packSnorm2x16",floatpack_unorm_2x16:"packUnorm2x16",floatpack_float16_2x16:"packHalf2x16",floatunpack_snorm_2x16:"unpackSnorm2x16",floatunpack_unorm_2x16:"unpackUnorm2x16",floatunpack_float16_2x16:"unpackHalf2x16"},precisionLib={low:"lowp",medium:"mediump",high:"highp"},supports$1={swizzleAssign:!0,storageBuffer:!1},interpolationTypeMap={perspective:"smooth",linear:"noperspective"},interpolationModeMap={centroid:"centroid"},defaultPrecisions=`
73precision highp float;
74precision highp int;
75precision highp sampler2D;
76precision highp sampler3D;
77precision highp samplerCube;
78precision highp sampler2DArray;
79
80precision highp usampler2D;
81precision highp usampler3D;
82precision highp usamplerCube;
83precision highp usampler2DArray;
84
85precision highp isampler2D;
86precision highp isampler3D;
87precision highp isamplerCube;
88precision highp isampler2DArray;
89
90precision lowp sampler2DShadow;
91precision lowp sampler2DArrayShadow;
92precision lowp samplerCubeShadow;
93`;class GLSLNodeBuilder extends NodeBuilder{constructor(e,t){super(e,t,new GLSLNodeParser),this.uniformGroups={},this.transforms=[],this.extensions={},this.builtins={vertex:[],fragment:[],compute:[]}}needsToWorkingColorSpace(e){return e.isVideoTexture===!0&&e.colorSpace!==NoColorSpace}_include(e){const t=glslPolyfills[e];return t.build(this),this.addInclude(t),t}getMethod(e){return glslPolyfills[e]!==0[0]&&this._include(e),glslMethods[e]||e}getBitcastMethod(e,t){return this.getMethod(`bitcast_${t}_${e}`)}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}getTernary(e,t,n){return`${e} ? ${t} : ${n}`}getOutputStructName(){return""}buildFunctionCode(e){const t=e.layout,n=this.flowShaderNode(e),s=[];for(const e of t.inputs)s.push(this.getType(e.type)+" "+e.name);const o=`${this.getType(t.type)} ${t.name}( ${s.join(", ")} ) {
94
95	${n.vars}
96
97${n.code}
98	return ${n.result};
99
100}`;return o}setupPBO(e){const t=e.value;if(t.pbo===0[0]){const l=t.array,a=t.count*t.itemSize,{itemSize:e}=t,n=t.array.constructor.name.toLowerCase().includes("int");let s=n?RedIntegerFormat:RedFormat;e===2?s=n?RGIntegerFormat:RGFormat:e===3?s=n?RGBIntegerFormat:RGBFormat:e===4&&(s=n?RGBAIntegerFormat:RGBAFormat);const u={Float32Array:FloatType,Uint8Array:UnsignedByteType,Uint16Array:UnsignedShortType,Uint32Array:UnsignedIntType,Int8Array:ByteType,Int16Array:ShortType,Int32Array:IntType,Uint8ClampedArray:UnsignedByteType},o=2**Math.ceil(Math.log2((a/e)**.5));let i=Math.ceil(a/e/o);o*i*e<a&&i++;const h=o*i*e,d=new l.constructor(h);d.set(l,0),t.array=d;const r=new DataTexture(t.array,o,i,s,u[t.array.constructor.name]||FloatType);r.needsUpdate=!0,r.isPBOTexture=!0;const c=new TextureNode(r,null,null);c.setPrecision("high"),t.pboNode=c,t.pbo=c.value,this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName)}}getPropertyName(e,t=this.shaderStage){return e.isNodeUniform&&e.node.isTextureNode!==!0&&e.node.isBufferNode!==!0?t.charAt(0)+"_"+e.name:super.getPropertyName(e,t)}generatePBO(e){const{node:s,indexNode:o}=e,t=s.value;if(this.renderer.backend.has(t)){const e=this.renderer.backend.get(t);e.pbo=t.pbo}const c=this.getUniformFromNode(t.pboNode,"texture",this.shaderStage,this.context.nodeName),i=this.getPropertyName(c);this.increaseUsage(o);const a=o.build(this,"uint"),r=this.getDataFromNode(e);let n=r.propertyName;if(n===0[0]){const d=this.getVarFromNode(e);n=this.getPropertyName(d);const l=this.getDataFromNode(s);let o=l.propertySizeName;o===0[0]&&(o=n+"Size",this.getVarFromNode(s,o,"uint"),this.addLineFlowCode(`${o} = uint( textureSize( ${i}, 0 ).x )`,e),l.propertySizeName=o);const{itemSize:u}=t,h="."+vectorComponents.join("").slice(0,u),m=`ivec2(${a} % ${o}, ${a} / ${o})`,f=this.generateTextureLoad(null,i,m,"0",null,null);let c="vec4";t.pbo.type===UnsignedIntType?c="uvec4":t.pbo.type===IntType&&(c="ivec4"),this.addLineFlowCode(`${n} = ${c}(${f})${h}`,e),r.propertyName=n}return n}generateTextureLoad(e,t,n,s,o,i){s===null&&(s="0");let a;return o?i?a=`texelFetchOffset( ${t}, ivec3( ${n}, ${o} ), ${s}, ${i} )`:a=`texelFetch( ${t}, ivec3( ${n}, ${o} ), ${s} )`:i?a=`texelFetchOffset( ${t}, ${n}, ${s}, ${i} )`:a=`texelFetch( ${t}, ${n}, ${s} )`,e!==null&&e.isDepthTexture&&(a+=".x"),a}generateTexture(e,t,n,s,o){return s&&(n=`vec3( ${n}, ${s} )`),e.isDepthTexture?o?`textureOffset( ${t}, ${n}, ${o} ).x`:`texture( ${t}, ${n} ).x`:o?`textureOffset( ${t}, ${n}, ${o} )`:`texture( ${t}, ${n} )`}generateTextureLevel(e,t,n,s,o){return o?`textureLodOffset( ${t}, ${n}, ${s}, ${o} )`:`textureLod( ${t}, ${n}, ${s} )`}generateTextureBias(e,t,n,s,o){return o?`textureOffset( ${t}, ${n}, ${o}, ${s} )`:`texture( ${t}, ${n}, ${s} )`}generateTextureGrad(e,t,n,s,o){return o?`textureGradOffset( ${t}, ${n}, ${s[0]}, ${s[1]}, ${o} )`:`textureGrad( ${t}, ${n}, ${s[0]}, ${s[1]} )`}generateTextureCompare(e,t,n,s,o,i,a=this.shaderStage){if(a==="fragment")return e.isCubeTexture?`texture( ${t}, vec4( ${n}, ${s} ) )`:o?i?`textureOffset( ${t}, vec4( ${n}, ${o}, ${s} ), ${i} )`:`texture( ${t}, vec4( ${n}, ${o}, ${s} ) )`:i?`textureOffset( ${t}, vec3( ${n}, ${s} ), ${i} )`:`texture( ${t}, vec3( ${n}, ${s} ) )`;error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}getVars(e){const t=[],n=this.vars[e];if(n!==0[0])for(const e of n)t.push(`${this.getVar(e.type,e.name,e.count)};`);return t.join(`
101	`)}getUniforms(e){const o=this.uniforms[e],s=[],t={};for(const n of o){let i=null,a=!1;if(n.type==="texture"||n.type==="texture3D"){const e=n.node.value;let t="";(e.isDataTexture===!0||e.isData3DTexture===!0)&&(e.type===UnsignedIntType?t="u":e.type===IntType&&(t="i")),n.type==="texture3D"&&e.isArrayTexture===!1?i=`${t}sampler3D ${n.name};`:e.compareFunction?e.isArrayTexture===!0?i=`sampler2DArrayShadow ${n.name};`:i=`sampler2DShadow ${n.name};`:e.isArrayTexture===!0||e.isDataArrayTexture===!0||e.isCompressedArrayTexture===!0?i=`${t}sampler2DArray ${n.name};`:i=`${t}sampler2D ${n.name};`}else if(n.type==="cubeTexture")i=`samplerCube ${n.name};`;else if(n.type==="cubeDepthTexture")i=`samplerCubeShadow ${n.name};`;else if(n.type==="buffer"){const e=n.node,s=this.getType(e.bufferType),t=e.bufferCount,o=t>0?t:"";i=`${e.name} {
102	${s} ${n.name}[${o}];
103};
104`}else{const t=this.getVectorType(n.type);i=`${t} ${this.getPropertyName(n,e)};`,a=!0}const r=n.node.precision;if(r!==null&&(i=precisionLib[r]+" "+i),a){i="	"+i;const e=n.groupNode.name,s=t[e]||(t[e]=[]);s.push(i)}else i="uniform "+i,s.push(i)}let n="";for(const s in t){const o=t[s];n+=this._getGLSLUniformStruct(e+"_"+s,o.join(`
105`))+`
106`}return n+=s.join(`
107`),n}getTypeFromAttribute(e){let t=super.getTypeFromAttribute(e);

107if(/^[iu]/.test(t)&&e.gpuType!==IntType){let n=e;e.isInterleavedBufferAttribute&&(n=e.data);const s=n.array;(s instanceof Uint32Array||s instanceof Int32Array)===!1&&(t=t.slice(1))}return t}getAttributes(e){let t="";if(e==="vertex"||e==="compute"){const e=this.getAttributesArray();let n=0;for(const s of e)t+=`layout( location = ${n++} ) in ${s.type} ${s.name};
108`}return t}getStructMembers(e){const t=[];for(const n of e.members)t.push(`	${n.type} ${n.name};`);return t.join(`
109`)}getStructs(e){const n=[],s=this.structs[e],t=[];for(const e of s)if(e.output)for(const n of e.members)t.push(`layout( location = ${n.index} ) out ${n.type} ${n.name};`);else{let t="struct "+e.name+` {
110`;t+=this.getStructMembers(e),t+=`
111};
112`,n.push(t)}return t.length===0&&t.push("layout( location = 0 ) out vec4 fragColor;"),`
113`+t.join(`
114`)+`
115
116`+n.join(`
117`)}getVaryings(e){let t="";const n=this.varyings;if(e==="vertex"||e==="compute")for(const s of n){e==="compute"&&(s.needsInterpolation=!0);const o=this.getType(s.type);if(s.needsInterpolation)if(s.interpolationType){const e=interpolationTypeMap[s.interpolationType]||s.interpolationType,n=interpolationModeMap[s.interpolationSampling]||"";t+=`${e} ${n} out ${o} ${s.name};
118`}else{const e=o.includes("int")||o.includes("uv")||o.includes("iv")?"flat ":"";t+=`${e}out ${o} ${s.name};
119`}else t+=`${o} ${s.name};
120`}else if(e==="fragment")for(const e of n)if(e.needsInterpolation){const n=this.getType(e.type);if(e.interpolationType){const s=interpolationTypeMap[e.interpolationType]||e.interpolationType,o=interpolationModeMap[e.interpolationSampling]||"";t+=`${s} ${o} in ${n} ${e.name};
121`}else{const s=n.includes("int")||n.includes("uv")||n.includes("iv")?"flat ":"";t+=`${s}in ${n} ${e.name};
122`}}for(const n of this.builtins[e])t+=`${n};
123`;return t}getVertexIndex(){return"uint( gl_VertexID )"}getInstanceIndex(){return"uint( gl_InstanceID )"}getInvocationLocalIndex(){const e=this.object.workgroupSize,t=e.reduce((e,t)=>e*t,1);return`uint( gl_InstanceID ) % ${t}u`}getSubgroupSize(){error("GLSLNodeBuilder: WebGLBackend does not support the subgroupSize node")}getInvocationSubgroupIndex(){error("GLSLNodeBuilder: WebGLBackend does not support the invocationSubgroupIndex node")}getSubgroupIndex(){error("GLSLNodeBuilder: WebGLBackend does not support the subgroupIndex node")}getDrawIndex(){const e=this.renderer.backend.extensions;return e.has("WEBGL_multi_draw")?"uint( gl_DrawID )":null}getFrontFacing(){return"gl_FrontFacing"}getFragCoord(){return"gl_FragCoord.xy"}getFragDepth(){return"gl_FragDepth"}enableExtension(e,t,n=this.shaderStage){const s=this.extensions[n]||(this.extensions[n]=new Map);s.has(e)===!1&&s.set(e,{name:e,behavior:t})}getExtensions(e){const t=[];if(e==="vertex"){const t=this.renderer.backend.extensions,n=this.object.isBatchedMesh;n&&t.has("WEBGL_multi_draw")&&this.enableExtension("GL_ANGLE_multi_draw","require",e)}const n=this.extensions[e];if(n!==0[0])for(const{name:e,behavior:s}of n.values())t.push(`#extension ${e} : ${s}`);return t.join(`
124`)}getClipDistance(){return"gl_ClipDistance"}isAvailable(e){let t=supports$1[e];if(t===0[0]){let n;switch(t=!1,e){case"float32Filterable":n="OES_texture_float_linear";break;case"clipDistance":n="WEBGL_clip_cull_distance";break}if(n!==0[0]){const e=this.renderer.backend.extensions;e.has(n)&&(e.get(n),t=!0)}supports$1[e]=t}return t}isFlipY(){return!0}enableHardwareClipping(e){this.enableExtension("GL_ANGLE_clip_cull_distance","require"),this.builtins.vertex.push(`out float gl_ClipDistance[ ${e} ]`)}

124enableMultiview(){this.enableExtension("GL_OVR_multiview2","require","fragment"),this.enableExtension("GL_OVR_multiview2","require","vertex"),this.builtins.vertex.push("layout(num_views = 2) in")}registerTransform(e,t){this.transforms.push({varyingName:e,attributeNode:t})}getTransforms(){const e=this.transforms;let t="";for(let n=0;n<e.length;n++){const s=e[n],o=this.getPropertyName(s.attributeNode);o&&(t+=`${s.varyingName} = ${o};
125	`)}return t}_getGLSLUniformStruct(e,t){return`
126layout( std140 ) uniform ${e} {
127${t}
128};`}_getGLSLVertexCode(e){return`#version 300 es
129
130${this.getSignature()}
131
132// extensions
133${e.extensions}
134
135// precision
136${defaultPrecisions}
137
138// uniforms
139${e.uniforms}
140
141// varyings
142${e.varyings}
143
144// attributes
145${e.attributes}
146
147// codes
148${e.codes}
149
150void main() {
151
152	// vars
153	${e.vars}
154
155	// transforms
156	${e.transforms}
157
158	// flow
159	${e.flow}
160
161	gl_PointSize = 1.0;
162
163}
164`}_getGLSLFragmentCode(e){return`#version 300 es
165
166${this.getSignature()}
167
168// extensions
169${e.extensions}
170
171// precision
172${defaultPrecisions}
173
174// structs
175${e.structs}
176
177// uniforms
178${e.uniforms}
179
180// varyings
181${e.varyings}
182
183// codes
184${e.codes}
185
186void main() {
187
188	// vars
189	${e.vars}
190
191	// flow
192	${e.flow}
193
194}
195`}buildCode(){const e=this.material!==null?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){let n=`// code
196
197`;n+=this.flowCode[t];const o=this.flowNodes[t],i=o[o.length-1];for(const e of o){const s=this.getFlowData(e),a=e.name;a&&(n.length>0&&(n+=`
198`),n+=`	// flow -> ${a}
199	`),n+=`${s.code}
200	`,e===i&&t!=="compute"&&(n+=`// result
201	`,t==="vertex"?(n+="gl_Position = ",n+=`${s.result};`):t==="fragment"&&(e.outputNode.isOutputStructNode||(n+="fragColor = ",n+=`${s.result};`)))}const s=e[t];s.extensions=this.getExtensions(t),s.uniforms=this.getUniforms(t),s.attributes=this.getAttributes(t),s.varyings=this.getVaryings(t),s.vars=this.getVars(t),s.structs=this.getStructs(t),s.codes=this.getCodes(t),s.transforms=this.getTransforms(t),s.flow=n}this.material!==null?(this.vertexShader=this._getGLSLVertexCode(e.vertex),this.fragmentShader=this._getGLSLFragmentCode(e.fragment)):this.computeShader=this._getGLSLVertexCode(e.compute)}getUniformFromNode(e,t,n,s=null){const i=super.getUniformFromNode(e,t,n,s),a=this.getDataFromNode(e,n,this.globalCache);let o=a.uniformGPU;if(o===0[0]){const s=e.groupNode,c=s.name,r=this.getBindGroupArray(c,n);if(t==="texture")o=new NodeSampledTexture(i.name,i.node,s),r.push(o);else if(t==="cubeTexture"||t==="cubeDepthTexture")o=new NodeSampledCubeTexture(i.name,i.node,s),r.push(o);else if(t==="texture3D")o=new NodeSampledTexture3D(i.name,i.node,s),r.push(o);else if(t==="buffer"){i.name=`buffer${e.id}`;const n=this.getSharedDataFromNode(e);let t=n.buffer;t===0[0]&&(e.name=`NodeBuffer_${e.id}`,t=new NodeUniformBuffer(e,s),t.name=e.name,n.buffer=t),r.push(t),o=t}else{const a=this.uniformGroups[n]||(this.uniformGroups[n]={});let e=a[c];e===0[0]&&(e=new NodeUniformsGroup(n+"_"+c,s),a[c]=e,r.push(e)),o=this.getNodeUniform(i,t),e.addUniform(o)}a.uniformGPU=o}return i}}_vector22=null,_color4=null;class Backend{constructor(e={}){this.parameters=Object.assign({},e),this.data=new WeakMap,this.renderer=null,this.domElement=null,this.timestampQueryPool={[TimestampQuery.RENDER]:null,[TimestampQuery.COMPUTE]:null},this.trackTimestamp=e.trackTimestamp===!0}async init(e){this.renderer=e}get coordinateSystem(){}beginRender(){}finishRender(){}beginCompute(){}finishCompute(){}draw(){}compute(){}createProgram(){}destroyProgram(){}createBindings(){}updateBindings(){}updateBinding(){}createRenderPipeline(){}createComputePipeline(){}needsRenderUpdate(){}getRenderCacheKey(){}createNodeBuilder(){}updateSampler(){}createDefaultTexture(){}createTexture(){}updateTexture(){}generateMipmaps(){}destroyTexture(){}async copyTextureToBuffer(){}copyTextureToTexture(){}copyFramebufferToTexture(){}createAttribute(){}createIndexAttribute(){}createStorageAttribute(){}updateAttribute(){}destroyAttribute(){}getContext(){}updateSize(){}updateViewport(){}updateTimeStampUID(e){const n=this.get(e),s=this.renderer.info.frame;let t;e.isComputeNode===!0?t="c:"+this.renderer.info.compute.frameCalls:t="r:"+this.renderer.info.render.frameCalls,n.timestampUID=t+":"+e.id+":f"+s}getTimestampUID(e){return this.get(e).timestampUID}getTimestampFrames(e){const t=this.timestampQueryPool[e];return t?t.getTimestampFrames():[]}_getQueryPool(e){const t=e.startsWith("c:")?TimestampQuery.COMPUTE:TimestampQuery.RENDER,n=this.timestampQueryPool[t];return n}getTimestamp(e){const t=this._getQueryPool(e);return t.getTimestamp(e)}hasTimestamp(e){const t=this._getQueryPool(e);return t.hasTimestamp(e)}isOccluded(){}async resolveTimestampsAsync(e="render"){if(!this.trackTimestamp){warnOnce("WebGPURenderer: Timestamp tracking is disabled.");return}const t=this.timestampQueryPool[e];if(!t)return;const n=await t.resolveQueriesAsync();return this.renderer.info[e].timestamp=n,n}async getArrayBufferAsync(){}async hasFeatureAsync(){}hasFeature(){}getMaxAnisotropy(){}getDrawingBufferSize(){return _vector22=_vector22||new Vector2,this.renderer.getDrawingBufferSize(_vector22)}setScissorTest(){}getClearColor(){const e=this.renderer;return _color4=_color4||new Color4,e.getClearColor(_color4),_color4.getRGB(_color4),_color4}getDomElement(){let e=this.domElement;return e===null&&(e=this.parameters.canvas!==0[0]?this.parameters.canvas:createCanvasElement(),"setAttribute"in e&&e.setAttribute("data-engine",`three.js r${REVISION} webgpu`),this.domElement=e),e}set(e,t){this.data.set(e,t)}get(e){let t=this.data.get(e);return t===0[0]&&(t={},this.data.set(e,t)),t}has(e){return this.data.has(e)}delete(e){this.data.delete(e)}deleteBindGroupData(){}dispose(){}}_id$12=0;class DualAttributeData{constructor(e,t){this.buffers=[e.bufferGPU,t],this.type=e.type,this.bufferType=e.bufferType,this.pbo=e.pbo,this.byteLength=e.byteLength,this.bytesPerElement=e.BYTES_PER_ELEMENT,this.version=e.version,this.isInteger=e.isInteger,this.activeBufferIndex=0,this.baseId=e.id}get id(){return`${this.baseId}|${this.activeBufferIndex}`}get bufferGPU(){return this.buffers[this.activeBufferIndex]}get transformBuffer(){return this.buffers[this.activeBufferIndex^1]}switchBuffers(){this.activeBufferIndex^=1}}class WebGLAttributeUtils{constructor(e){this.backend=e}createAttribute(e,t){const r=this.backend,{gl:n}=r,s=e.array,l=e.usage||n.STATIC_DRAW,d=e.isInterleavedBufferAttribute?e.data:e,i=r.get(d);let a=i.bufferGPU;a===0[0]&&(a=this._createBuffer(n,t,s,l),i.bufferGPU=a,i.bufferType=t,i.version=d.version);let o;if(s instanceof Float32Array)o=n.FLOAT;else if(typeof Float16Array!="undefined"&&s instanceof Float16Array)o=n.HALF_FLOAT;else if(s instanceof Uint16Array)e.isFloat16BufferAttribute?o=n.HALF_FLOAT:o=n.UNSIGNED_SHORT;else if(s instanceof Int16Array)o=n.SHORT;else if(s instanceof Uint32Array)o=n.UNSIGNED_INT;else if(s instanceof Int32Array)o=n.INT;else if(s instanceof Int8Array)o=n.BYTE;else if(s instanceof Uint8Array)o=n.UNSIGNED_BYTE;else if(s instanceof Uint8ClampedArray)o=n.UNSIGNED_BYTE;else throw new Error("THREE.WebGLBackend: Unsupported buffer data format: "+s);let c={bufferGPU:a,bufferType:t,type:o,byteLength:s.byteLength,bytesPerElement:s.BYTES_PER_ELEMENT,version:e.version,pbo:e.pbo,isInteger:o===n.INT||o===n.UNSIGNED_INT||e.gpuType===IntType,id:_id$12++};if(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute){const e=this._createBuffer(n,t,s,l);c=new DualAttributeData(c,e)}r.set(e,c)}updateAttribute(e){const r=this.backend,{gl:t}=r,s=e.array,o=e.isInterleavedBufferAttribute?e.data:e,i=r.get(o),n=i.bufferType,a=e.isInterleavedBufferAttribute?e.data.updateRanges:e.updateRanges;if(t.bindBuffer(n,i.bufferGPU),a.length===0)t.bufferSubData(n,0,s);else{for(let e=0,i=a.length;e<i;e++){const o=a[e];t.bufferSubData(n,o.start*s.BYTES_PER_ELEMENT,s,o.start,o.count)}o.clearUpdateRanges()}t.bindBuffer(n,null),i.version=o.version}destroyAttribute(e){const t=this.backend,{gl:n}=t;e.isInterleavedBufferAttribute&&t.delete(e.data);const s=t.get(e);n.deleteBuffer(s.bufferGPU),t.delete(e)}async getArrayBufferAsync(e){const n=this.backend,{gl:t}=n,r=e.isInterleavedBufferAttribute?e.data:e,{bufferGPU:c}=n.get(r),o=e.array,i=o.byteLength;t.bindBuffer(t.COPY_READ_BUFFER,c);const s=t.createBuffer();t.bindBuffer(t.COPY_WRITE_BUFFER,s),t.bufferData(t.COPY_WRITE_BUFFER,i,t.STREAM_READ),t.copyBufferSubData(t.COPY_READ_BUFFER,t.COPY_WRITE_BUFFER,0,0,i),await n.utils._clientWaitAsync();const a=new e.array.constructor(o.length);return t.bindBuffer(t.COPY_WRITE_BUFFER,s),t.getBufferSubData(t.COPY_WRITE_BUFFER,0,a),t.deleteBuffer(s),t.bindBuffer(t.COPY_READ_BUFFER,null),t.bindBuffer(t.COPY_WRITE_BUFFER,null),a.buffer}_createBuffer(e,t,n,s){const o=e.createBuffer();return e.bindBuffer(t,o),e.bufferData(t,n,s),e.bindBuffer(t,null),o}}class WebGLState{constructor(e){this.backend=e,this.gl=this.backend.gl,this.enabled={},this.currentFlipSided=null,this.currentCullFace=null,this.currentProgram=null,this.currentBlendingEnabled=!1,this.currentBlending=null,this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentPremultipledAlpha=null,this.currentPolygonOffsetFactor=null,this.currentPolygonOffsetUnits=null,this.currentColorMask=null,this.currentDepthFunc=null,this.currentDepthMask=null,this.currentStencilFunc=null,this.currentStencilRef=null,this.currentStencilFuncMask=null,this.currentStencilFail=null,this.currentStencilZFail=null,this.currentStencilZPass=null,this.currentStencilMask=null,this.currentLineWidth=null,this.currentClippingPlanes=0,this.currentVAO=null,this.currentIndex=null,this.currentBoundFramebuffers={},this.currentDrawbuffers=new WeakMap,this.maxTextures=this.gl.getParameter(this.gl.MAX_TEXTURE_IMAGE_UNITS),this.currentTextureSlot=null,this.currentBoundTextures={},this.currentBoundBufferBases={},this._init()}_init(){const e=this.gl;equationToGL={[AddEquation]:e.FUNC_ADD,[SubtractEquation]:e.FUNC_SUBTRACT,[ReverseSubtractEquation]:e.FUNC_REVERSE_SUBTRACT},factorToGL={[ZeroFactor]:e.ZERO,[OneFactor]:e.ONE,[SrcColorFactor]:e.SRC_COLOR,[SrcAlphaFactor]:e.SRC_ALPHA,[SrcAlphaSaturateFactor]:e.SRC_ALPHA_SATURATE,[DstColorFactor]:e.DST_COLOR,[DstAlphaFactor]:e.DST_ALPHA,[OneMinusSrcColorFactor]:e.ONE_MINUS_SRC_COLOR,[OneMinusSrcAlphaFactor]:e.ONE_MINUS_SRC_ALPHA,[OneMinusDstColorFactor]:e.ONE_MINUS_DST_COLOR,[OneMinusDstAlphaFactor]:e.ONE_MINUS_DST_ALPHA};const t=e.getParameter(e.SCISSOR_BOX),n=e.getParameter(e.VIEWPORT);this.currentScissor=(new Vector4).fromArray(t),this.currentViewport=(new Vector4).fromArray(n),this._tempVec4=new Vector4}enable(e){const{enabled:t}=this;t[e]!==!0&&(this.gl.enable(e),t[e]=!0)}disable(e){const{enabled:t}=this;t[e]!==!1&&(this.gl.disable(e),t[e]=!1)}setFlipSided(e){if(this.currentFlipSided!==e){const{gl:t}=this;e?t.frontFace(t.CW):t.frontFace(t.CCW),this.currentFlipSided=e}}setCullFace(e){const{gl:t}=this;e!==CullFaceNone?(this.enable(t.CULL_FACE),e!==this.currentCullFace&&(e===CullFaceBack?t.cullFace(t.BACK):e===CullFaceFront?t.cullFace(t.FRONT):t.cullFace(t.FRONT_AND_BACK))):this.disable(t.CULL_FACE),this.currentCullFace=e}setLineWidth(e){const{currentLineWidth:t,gl:n}=this;e!==t&&(n.lineWidth(e),this.currentLineWidth=e)}setMRTBlending(e){const t=this.gl,n=this.backend.drawBuffersIndexedExt;if(!n)return;for(let s=1;s<e.length;s++)n.blendFuncSeparateiOES(s,t.ONE,t.ZERO,t.ONE,t.ZERO)}setBlending(e,t,n,s,o,i,a,r){const{gl:c}=this;if(e===NoBlending){this.currentBlendingEnabled===!0&&(this.disable(c.BLEND),this.currentBlendingEnabled=!1);return}if(this.currentBlendingEnabled===!1&&(this.enable(c.BLEND),this.currentBlendingEnabled=!0),e!==CustomBlending){if(e!==this.currentBlending||r!==this.currentPremultipledAlpha){if((this.currentBlendEquation!==AddEquation||this.currentBlendEquationAlpha!==AddEquation)&&(c.blendEquation(c.FUNC_ADD),this.currentBlendEquation=AddEquation,this.currentBlendEquationAlpha=AddEquation),r)switch(e){case NormalBlending:c.blendFuncSeparate(c.ONE,c.ONE_MINUS_SRC_ALPHA,c.ONE,c.ONE_MINUS_SRC_ALPHA);break;case AdditiveBlending:c.blendFunc(c.ONE,c.ONE);break;case SubtractiveBlending:c.blendFuncSeparate(c.ZERO,c.ONE_MINUS_SRC_COLOR,c.ZERO,c.ONE);break;case MultiplyBlending:c.blendFuncSeparate(c.DST_COLOR,c.ONE_MINUS_SRC_ALPHA,c.ZERO,c.ONE);break;default:error("WebGLState: Invalid blending: ",e);break}else switch(e){case NormalBlending:c.blendFuncSeparate(c.SRC_ALPHA,c.ONE_MINUS_SRC_ALPHA,c.ONE,c.ONE_MINUS_SRC_ALPHA);break;case AdditiveBlending:c.blendFuncSeparate(c.SRC_ALPHA,c.ONE,c.ONE,c.ONE);break;case SubtractiveBlending:error("WebGLState: SubtractiveBlending requires material.premultipliedAlpha = true");break;case MultiplyBlending:error("WebGLState: MultiplyBlending requires material.premultipliedAlpha = true");break;default:error("WebGLState: Invalid blending: ",e);break}this.currentBlendSrc=null,this.currentBlendDst=null,this.currentBlendSrcAlpha=null,this.currentBlendDstAlpha=null,this.currentBlending=e,this.currentPremultipledAlpha=r}return}o=o||t,i=i||n,a=a||s,(t!==this.currentBlendEquation||o!==this.currentBlendEquationAlpha)&&(c.blendEquationSeparate(equationToGL[t],equationToGL[o]),this.currentBlendEquation=t,this.currentBlendEquationAlpha=o),(n!==this.currentBlendSrc||s!==this.currentBlendDst||i!==this.currentBlendSrcAlpha||a!==this.currentBlendDstAlpha)&&(c.blendFuncSeparate(factorToGL[n],factorToGL[s],factorToGL[i],factorToGL[a]),this.currentBlendSrc=n,this.currentBlendDst=s,this.currentBlendSrcAlpha=i,this.currentBlendDstAlpha=a),this.currentBlending=e,this.currentPremultipledAlpha=!1}setColorMask(e){this.currentColorMask!==e&&(this.gl.colorMask(e,e,e,e),this.currentColorMask=e)}setDepthTest(e){const{gl:t}=this;e?this.enable(t.DEPTH_TEST):this.disable(t.DEPTH_TEST)}setDepthMask(e){this.currentDepthMask!==e&&(this.gl.depthMask(e),this.currentDepthMask=e)}setDepthFunc(e){if(this.currentDepthFunc!==e){const{gl:t}=this;switch(e){case NeverDepth:t.depthFunc(t.NEVER);break;case AlwaysDepth:t.depthFunc(t.ALWAYS);break;case LessDepth:t.depthFunc(t.LESS);break;case LessEqualDepth:t.depthFunc(t.LEQUAL);break;case EqualDepth:t.depthFunc(t.EQUAL);break;case GreaterEqualDepth:t.depthFunc(t.GEQUAL);break;case GreaterDepth:t.depthFunc(t.GREATER);break;case NotEqualDepth:t.depthFunc(t.NOTEQUAL);break;default:t.depthFunc(t.LEQUAL)}this.currentDepthFunc=e}}scissor(e,t,n,s){const o=this._tempVec4.set(e,t,n,s);if(this.currentScissor.equals(o)===!1){const{gl:e}=this;e.scissor(o.x,o.y,o.z,o.w),this.currentScissor.copy(o)}}viewport(e,t,n,s){const o=this._tempVec4.set(e,t,n,s);if(this.currentViewport.equals(o)===!1){const{gl:e}=this;e.viewport(o.x,o.y,o.z,o.w),this.currentViewport.copy(o)}}setScissorTest(e){const t=this.gl;e?this.enable(t.SCISSOR_TEST):this.disable(t.SCISSOR_TEST)}setStencilTest(e){const{gl:t}=this;e?this.enable(t.STENCIL_TEST):this.disable(t.STENCIL_TEST)}setStencilMask(e){this.currentStencilMask!==e&&(this.gl.stencilMask(e),this.currentStencilMask=e)}setStencilFunc(e,t,n){(this.currentStencilFunc!==e||this.currentStencilRef!==t||this.currentStencilFuncMask!==n)&&(this.gl.stencilFunc(e,t,n),this.currentStencilFunc=e,this.currentStencilRef=t,this.currentStencilFuncMask=n)}setStencilOp(e,t,n){(this.currentStencilFail!==e||this.currentStencilZFail!==t||this.currentStencilZPass!==n)&&(this.gl.stencilOp(e,t,n),this.currentStencilFail=e,this.currentStencilZFail=t,this.currentStencilZPass=n)}setMaterial(e,t,n){const{gl:s}=this;e.side===DoubleSide?this.disable(s.CULL_FACE):this.enable(s.CULL_FACE);let o=e.side===BackSide;t&&(o=!o),this.setFlipSided(o),e.blending===NormalBlending&&e.transparent===!1?this.setBlending(NoBlending):this.setBlending(e.blending,e.blendEquation,e.blendSrc,e.blendDst,e.blendEquationAlpha,e.blendSrcAlpha,e.blendDstAlpha,e.premultipliedAlpha),this.setDepthFunc(e.depthFunc),this.setDepthTest(e.depthTest),this.setDepthMask(e.depthWrite),this.setColorMask(e.colorWrite);const i=e.stencilWrite;if(this.setStencilTest(i),i&&(this.setStencilMask(e.stencilWriteMask),this.setStencilFunc(e.stencilFunc,e.stencilRef,e.stencilFuncMask),this.setStencilOp(e.stencilFail,e.stencilZFail,e.stencilZPass)),this.setPolygonOffset(e.polygonOffset,e.polygonOffsetFactor,e.polygonOffsetUnits),e.alphaToCoverage===!0&&this.backend.renderer.currentSamples>0?this.enable(s.SAMPLE_ALPHA_TO_COVERAGE):this.disable(s.SAMPLE_ALPHA_TO_COVERAGE),n>0&&this.currentClippingPlanes!==n){const e=

20112288;for(let t=0;t<8;t++)t<n?this.enable(e+t):this.disable(e+t)}}setPolygonOffset(e,t,n){const{gl:s}=this;e?(this.enable(s.POLYGON_OFFSET_FILL),(this.currentPolygonOffsetFactor!==t||this.currentPolygonOffsetUnits!==n)&&(s.polygonOffset(t,n),this.currentPolygonOffsetFactor=t,this.currentPolygonOffsetUnits=n)):this.disable(s.POLYGON_OFFSET_FILL)}useProgram(e){return this.currentProgram!==e&&(this.gl.useProgram(e),this.currentProgram=e,!0)}setVertexState(e,t=null){const n=this.gl;return(this.currentVAO!==e||this.currentIndex!==t)&&(n.bindVertexArray(e),t!==null&&n.bindBuffer(n.ELEMENT_ARRAY_BUFFER,t),this.currentVAO=e,this.currentIndex=t,!0)}resetVertexState(){const e=this.gl;e.bindVertexArray(null),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,null),this.currentVAO=null,this.currentIndex=null}bindFramebuffer(e,t){const{gl:n,currentBoundFramebuffers:s}=this;return s[e]!==t&&(n.bindFramebuffer(e,t),s[e]=t,e===n.DRAW_FRAMEBUFFER&&(s[n.FRAMEBUFFER]=t),e===n.FRAMEBUFFER&&(s[n.DRAW_FRAMEBUFFER]=t),!0)}drawBuffers(e,t){const{gl:s}=this;let n=[],o=!1;if(e.textures!==null){{n=this.currentDrawbuffers.get(t),n===0[0]&&(n=[],this.currentDrawbuffers.set(t,n));const i=e.textures;if(n.length!==i.length||n[0]!==s.COLOR_ATTACHMENT0){for(let e=0,t=i.length;e<t;e++)n[e]=s.COLOR_ATTACHMENT0+e;n.length=i.length,o=!0}}}else n[0]!==s.BACK&&(n[0]=s.BACK,o=!0);o&&s.drawBuffers(n)}activeTexture(e){const{gl:t,currentTextureSlot:n,maxTextures:s}=this;e===0[0]&&(e=t.TEXTURE0+s-1),n!==e&&(t.activeTexture(e),this.currentTextureSlot=e)}bindTexture(e,t,n){const{gl:o,currentTextureSlot:i,currentBoundTextures:a,maxTextures:r}=this;n===0[0]&&(i===null?n=o.TEXTURE0+r-1:n=i);let s=a[n];s===0[0]&&(s={type:0[0],texture:0[0]},a[n]=s),(s.type!==e||s.texture!==t)&&(i!==n&&(o.activeTexture(n),this.currentTextureSlot=n),o.bindTexture(e,t),s.type=e,s.texture=t)}bindBufferBase(e,t,n){const{gl:o}=this,s=`${e}-${t}`;return this.currentBoundBufferBases[s]!==n&&(o.bindBufferBase(e,t,n),this.currentBoundBufferBases[s]=n,!0)}unbindTexture(){const{gl:t,currentTextureSlot:n,currentBoundTextures:s}=this,e=s[n];e!==0[0]&&e.type!==0[0]&&(t.bindTexture(e.type,null),e.type=0[0],e.texture=0[0])}}class WebGLUtils{constructor(e){this.backend=e,this.gl=this.backend.gl,this.extensions=e.extensions}convert(e,t=NoColorSpace){const{gl:s,extensions:i}=this;let n;const o=ColorManagement.getTransfer(t);if(e===UnsignedByteType)return s.UNSIGNED_BYTE;if(e===UnsignedShort4444Type)return s.UNSIGNED_SHORT_4_4_4_4;if(e===UnsignedShort5551Type)return s.UNSIGNED_SHORT_5_5_5_1;if(e===UnsignedInt5999Type)return s.UNSIGNED_INT_5_9_9_9_REV;if(e===UnsignedInt101111Type)return s.UNSIGNED_INT_10F_11F_11F_REV;if(e===ByteType)return s.BYTE;if(e===ShortType)return s.SHORT;if(e===UnsignedShortType)return s.UNSIGNED_SHORT;if(e===IntType)return s.INT;if(e===UnsignedIntType)return s.UNSIGNED_INT;if(e===FloatType)return s.FLOAT;if(e===HalfFloatType)return s.HALF_FLOAT;if(e===AlphaFormat)return s.ALPHA;if(e===RGBFormat)return s.RGB;if(e===RGBAFormat)return s.RGBA;if(e===DepthFormat)return s.DEPTH_COMPONENT;if(e===DepthStencilFormat)return s.DEPTH_STENCIL;if(e===RedFormat)return s.RED;if(e===RedIntegerFormat)return s.RED_INTEGER;if(e===RGFormat)return s.RG;if(e===RGIntegerFormat)return s.RG_INTEGER;if(e===RGBAIntegerFormat)return s.RGBA_INTEGER;if(e===RGB_S3TC_DXT1_Format||e===RGBA_S3TC_DXT1_Format||e===RGBA_S3TC_DXT3_Format||e===RGBA_S3TC_DXT5_Format)if(o===SRGBTransfer)if(n=i.get("WEBGL_compressed_texture_s3tc_srgb"),n!==null){{if(e===RGB_S3TC_DXT1_Format)return n.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(e===RGBA_S3TC_DXT1_Format)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(e===RGBA_S3TC_DXT3_Format)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(e===RGBA_S3TC_DXT5_Format)return n.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}}else return null;else if(n=i.get("WEBGL_compressed_texture_s3tc"),n!==null){{if(e===RGB_S3TC_DXT1_Format)return n.COMPRESSED_RGB_S3TC_DXT1_EXT;if(e===RGBA_S3TC_DXT1_Format)return n.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(e===RGBA_S3TC_DXT3_Format)return n.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(e===RGBA_S3TC_DXT5_Format)return n.COMPRESSED_RGBA_S3TC_DXT5_EXT}}else return null;if(e===RGB_PVRTC_4BPPV1_Format||e===RGB_PVRTC_2BPPV1_Format||e===RGBA_PVRTC_4BPPV1_Format||e===RGBA_PVRTC_2BPPV1_Format)if(n=i.get("WEBGL_compressed_texture_pvrtc"),n!==null){{if(e===RGB_PVRTC_4BPPV1_Format)return n.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(e===RGB_PVRTC_2BPPV1_Format)return n.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(e===RGBA_PVRTC_4BPPV1_Format)return n.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(e===RGBA_PVRTC_2BPPV1_Format)return n.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}}else return null;if(e===RGB_ETC1_Format||e===RGB_ETC2_Format||e===RGBA_ETC2_EAC_Format||e===R11_EAC_Format||e===SIGNED_R11_EAC_Format||e===RG11_EAC_Format||e===SIGNED_RG11_EAC_Format)if(n=i.get("WEBGL_compressed_texture_etc"),n!==null){{if(e===RGB_ETC1_Format||e===RGB_ETC2_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ETC2:n.COMPRESSED_RGB8_ETC2;if(e===RGBA_ETC2_EAC_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:n.COMPRESSED_RGBA8_ETC2_EAC;

201if(e===R11_EAC_Format)return n.COMPRESSED_R11_EAC;if(e===SIGNED_R11_EAC_Format)return n.COMPRESSED_SIGNED_R11_EAC;if(e===RG11_EAC_Format)return n.COMPRESSED_RG11_EAC;if(e===SIGNED_RG11_EAC_Format)return n.COMPRESSED_SIGNED_RG11_EAC}}else return null;if(e===RGBA_ASTC_4x4_Format||e===RGBA_ASTC_5x4_Format||e===RGBA_ASTC_5x5_Format||e===RGBA_ASTC_6x5_Format||e===RGBA_ASTC_6x6_Format||e===RGBA_ASTC_8x5_Format||e===RGBA_ASTC_8x6_Format||e===RGBA_ASTC_8x8_Format||e===RGBA_ASTC_10x5_Format||e===RGBA_ASTC_10x6_Format||e===RGBA_ASTC_10x8_Format||e===RGBA_ASTC_10x10_Format||e===RGBA_ASTC_12x10_Format||e===RGBA_ASTC_12x12_Format)if(n=i.get("WEBGL_compressed_texture_astc"),n!==null){{if(e===RGBA_ASTC_4x4_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:n.COMPRESSED_RGBA_ASTC_4x4_KHR;if(e===RGBA_ASTC_5x4_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:n.COMPRESSED_RGBA_ASTC_5x4_KHR;if(e===RGBA_ASTC_5x5_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:n.COMPRESSED_RGBA_ASTC_5x5_KHR;if(e===RGBA_ASTC_6x5_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:n.COMPRESSED_RGBA_ASTC_6x5_KHR;if(e===RGBA_ASTC_6x6_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:n.COMPRESSED_RGBA_ASTC_6x6_KHR;if(e===RGBA_ASTC_8x5_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:n.COMPRESSED_RGBA_ASTC_8x5_KHR;if(e===RGBA_ASTC_8x6_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:n.COMPRESSED_RGBA_ASTC_8x6_KHR;if(e===RGBA_ASTC_8x8_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:n.COMPRESSED_RGBA_ASTC_8x8_KHR;if(e===RGBA_ASTC_10x5_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:n.COMPRESSED_RGBA_ASTC_10x5_KHR;if(e===RGBA_ASTC_10x6_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:n.COMPRESSED_RGBA_ASTC_10x6_KHR;if(e===RGBA_ASTC_10x8_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:n.COMPRESSED_RGBA_ASTC_10x8_KHR;if(e===RGBA_ASTC_10x10_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:n.COMPRESSED_RGBA_ASTC_10x10_KHR;if(e===RGBA_ASTC_12x10_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:n.COMPRESSED_RGBA_ASTC_12x10_KHR;if(e===RGBA_ASTC_12x12_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:n.COMPRESSED_RGBA_ASTC_12x12_KHR}}else return null;if(e===RGBA_BPTC_Format)if(n=i.get("EXT_texture_compression_bptc"),n!==null){if(e===RGBA_BPTC_Format)return o===SRGBTransfer?n.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:n.COMPRESSED_RGBA_BPTC_UNORM_EXT}else return null;if(e===RED_RGTC1_Format||e===SIGNED_RED_RGTC1_Format||e===RED_GREEN_RGTC2_Format||e===SIGNED_RED_GREEN_RGTC2_Format)if(n=i.get("EXT_texture_compression_rgtc"),n!==null){{if(e===RED_RGTC1_Format)return n.COMPRESSED_RED_RGTC1_EXT;if(e===SIGNED_RED_RGTC1_Format)return n.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(e===RED_GREEN_RGTC2_Format)return n.COMPRESSED_RED_GREEN_RGTC2_EXT;if(e===SIGNED_RED_GREEN_RGTC2_Format)return n.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}}else return null;return e===UnsignedInt248Type?s.UNSIGNED_INT_24_8:s[e]!==0[0]?s[e]:null}_clientWaitAsync(){const{gl:e}=this,t=e.fenceSync(e.SYNC_GPU_COMMANDS_COMPLETE,0);return e.flush(),new Promise((n,s)=>{function o(){const i=e.clientWaitSync(t,e.SYNC_FLUSH_COMMANDS_BIT,0);if(i===e.WAIT_FAILED){e.deleteSync(t),s();return}if(i===e.TIMEOUT_EXPIRED){requestAnimationFrame(o);return}e.deleteSync(t),n()}o()})}}initialized=!1;class WebGLTextureUtils{constructor(e){this.backend=e,this.gl=e.gl,this.extensions=e.extensions,this.defaultTextures={},this._srcFramebuffer=null,this._dstFramebuffer=null,initialized===!1&&(this._init(),initialized=!0)}_init(){const e=this.gl;wrappingToGL={[RepeatWrapping]:e.REPEAT,[ClampToEdgeWrapping]:e.CLAMP_TO_EDGE,[MirroredRepeatWrapping]:e.MIRRORED_REPEAT},filterToGL={[NearestFilter]:e.NEAREST,[NearestMipmapNearestFilter]:e.NEAREST_MIPMAP_NEAREST,[NearestMipmapLinearFilter]:e.NEAREST_MIPMAP_LINEAR,[LinearFilter]:e.LINEAR,[LinearMipmapNearestFilter]:e.LINEAR_MIPMAP_NEAREST,[

201LinearMipmapLinearFilter]:e.LINEAR_MIPMAP_LINEAR},compareToGL={[NeverCompare]:e.NEVER,[AlwaysCompare]:e.ALWAYS,[LessCompare]:e.LESS,[LessEqualCompare]:e.LEQUAL,[EqualCompare]:e.EQUAL,[GreaterEqualCompare]:e.GEQUAL,[GreaterCompare]:e.GREATER,[NotEqualCompare]:e.NOTEQUAL}}getGLTextureType(e){const{gl:n}=this;let t;return e.isCubeTexture===!0?t=n.TEXTURE_CUBE_MAP:e.isArrayTexture===!0||e.isDataArrayTexture===!0||e.isCompressedArrayTexture===!0?t=n.TEXTURE_2D_ARRAY:e.isData3DTexture===!0?t=n.TEXTURE_3D:t=n.TEXTURE_2D,t}getInternalFormat(e,t,n,s,o=!1){const{gl:i,extensions:r}=this;if(e!==null){if(i[e]!==0[0])return i[e];warn("WebGLBackend: Attempt to use non-existing WebGL internal format '"+e+"'")}let a=t;if(t===i.RED&&(n===i.FLOAT&&(a=i.R32F),n===i.HALF_FLOAT&&(a=i.R16F),n===i.UNSIGNED_BYTE&&(a=i.R8),n===i.UNSIGNED_SHORT&&(a=i.R16),n===i.UNSIGNED_INT&&(a=i.R32UI),n===i.BYTE&&(a=i.R8I),n===i.SHORT&&(a=i.R16I),n===i.INT&&(a=i.R32I)),t===i.RED_INTEGER&&(n===i.UNSIGNED_BYTE&&(a=i.R8UI),n===i.UNSIGNED_SHORT&&(a=i.R16UI),n===i.UNSIGNED_INT&&(a=i.R32UI),n===i.BYTE&&(a=i.R8I),n===i.SHORT&&(a=i.R16I),n===i.INT&&(a=i.R32I)),t===i.RG&&(n===i.FLOAT&&(a=i.RG32F),n===i.HALF_FLOAT&&(a=i.RG16F),n===i.UNSIGNED_BYTE&&(a=i.RG8),n===i.UNSIGNED_SHORT&&(a=i.RG16),n===i.UNSIGNED_INT&&(a=i.RG32UI),n===i.BYTE&&(a=i.RG8I),n===i.SHORT&&(a=i.RG16I),n===i.INT&&(a=i.RG32I)),t===i.RG_INTEGER&&(n===i.UNSIGNED_BYTE&&(a=i.RG8UI),n===i.UNSIGNED_SHORT&&(a=i.RG16UI),n===i.UNSIGNED_INT&&(a=i.RG32UI),n===i.BYTE&&(a=i.RG8I),n===i.SHORT&&(a=i.RG16I),n===i.INT&&(a=i.RG32I)),t===i.RGB){const e=o?LinearTransfer:ColorManagement.getTransfer(s);n===i.FLOAT&&(a=i.RGB32F),n===i.HALF_FLOAT&&(a=i.RGB16F),n===i.UNSIGNED_BYTE&&(a=i.RGB8),n===i.UNSIGNED_SHORT&&(a=i.RGB16),n===i.UNSIGNED_INT&&(a=i.RGB32UI),n===i.BYTE&&(a=i.RGB8I),n===i.SHORT&&(a=i.RGB16I),n===i.INT&&(a=i.RGB32I),n===i.UNSIGNED_BYTE&&(a=e===SRGBTransfer?i.SRGB8:i.RGB8),n===i.UNSIGNED_SHORT_5_6_5&&(a=i.RGB565),n===i.UNSIGNED_SHORT_5_5_5_1&&(a=i.RGB5_A1),n===i.UNSIGNED_SHORT_4_4_4_4&&(a=i.RGB4),n===i.UNSIGNED_INT_5_9_9_9_REV&&(a=i.RGB9_E5),n===i.UNSIGNED_INT_10F_11F_11F_REV&&(a=i.R11F_G11F_B10F)}if(t===i.RGB_INTEGER&&(n===i.UNSIGNED_BYTE&&(a=i.RGB8UI),n===i.UNSIGNED_SHORT&&(a=i.RGB16UI),n===i.UNSIGNED_INT&&(a=i.RGB32UI),n===i.BYTE&&(a=i.RGB8I),n===i.SHORT&&(a=i.RGB16I),n===i.INT&&(a=i.RGB32I)),t===i.RGBA){const e=o?LinearTransfer:ColorManagement.getTransfer(s);n===i.FLOAT&&(a=i.RGBA32F),n===i.HALF_FLOAT&&(a=i.RGBA16F),n===i.UNSIGNED_BYTE&&(a=i.RGBA8),n===i.UNSIGNED_SHORT&&(a=i.RGBA16),n===i.UNSIGNED_INT&&(a=i.RGBA32UI),n===i.BYTE&&(a=i.RGBA8I),n===i.SHORT&&(a=i.RGBA16I),n===i.INT&&(a=i.RGBA32I),n===i.UNSIGNED_BYTE&&(a=e===SRGBTransfer?i.SRGB8_ALPHA8:i.RGBA8),n===i.UNSIGNED_SHORT_4_4_4_4&&(a=i.RGBA4),n===i.UNSIGNED_SHORT_5_5_5_1&&(a=i.RGB5_A1)}return t===i.RGBA_INTEGER&&(n===i.UNSIGNED_BYTE&&(a=i.RGBA8UI),n===i.UNSIGNED_SHORT&&(a=i.RGBA16UI),n===i.UNSIGNED_INT&&(a=i.RGBA32UI),n===i.BYTE&&(a=i.RGBA8I),n===i.SHORT&&(a=i.RGBA16I),n===i.INT&&(a=i.RGBA32I)),t===i.DEPTH_COMPONENT&&(n===i.UNSIGNED_SHORT&&(a=i.DEPTH_COMPONENT16),n===i.UNSIGNED_INT&&(a=i.DEPTH_COMPONENT24),n===i.FLOAT&&(a=i.DEPTH_COMPONENT32F)),t===i.DEPTH_STENCIL&&n===i.UNSIGNED_INT_24_8&&(a=i.DEPTH24_STENCIL8),(a===i.R16F||a===i.R32F||a===i.RG16F||a===i.RG32F||a===i.RGBA16F||a===i.RGBA32F)&&r.get("EXT_color_buffer_float"),a}setTextureParameters(e,t){const{gl:n,extensions:s,backend:o}=this,i=ColorManagement.getPrimaries(ColorManagement.workingColorSpace),a=t.colorSpace===NoColorSpace?null:ColorManagement.getPrimaries(t.colorSpace),r=t.colorSpace===NoColorSpace||i===a?n.NONE:n.BROWSER_DEFAULT_WEBGL;n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,t.flipY),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),n.pixelStorei(n.UNPACK_ALIGNMENT,t.unpackAlignment),n.pixelStorei(n.UNPACK_COLORSPACE_CONVERSION_WEBGL,r),n.texParameteri(e,n.TEXTURE_WRAP_S,wrappingToGL[t.wrapS]),n.texParameteri(e,n.TEXTURE_WRAP_T,wrappingToGL[t.wrapT]),(e===n.TEXTURE_3D||e===n.TEXTURE_2D_ARRAY)&&(t.isArrayTexture||n.texParameteri(e,n.TEXTURE_WRAP_R,wrappingToGL[t.wrapR])),n.texParameteri(e,n.TEXTURE_MAG_FILTER,filterToGL[t.magFilter]);const c=t.mipmaps!==0[0]&&t.mipmaps.length>0,l=t.minFilter===LinearFilter&&c?LinearMipmapLinearFilter:t.minFilter;if(n.texParameteri(e,n.TEXTURE_MIN_FILTER,filterToGL[l]),t.compareFunction&&(n.texParameteri(e,n.TEXTURE_COMPARE_MODE,n.COMPARE_REF_TO_TEXTURE),n.texParameteri(e,n.TEXTURE_COMPARE_FUNC,compareToGL[t.compareFunction])),s.has("EXT_texture_filter_anisotropic")===!0){if(t.magFilter===NearestFilter)return;if(t.minFilter!==NearestMipmapLinearFilter&&t.minFilter!==LinearMipmapLinearFilter)return;if(t.type===FloatType&&s.has("OES_texture_float_linear")===!1)return;if(t.anisotropy>1){const i=s.get("EXT_texture_filter_anisotropic");n.texParameterf(e,i.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(t.anisotropy,o.getMaxAnisotropy()))}}}createDefaultTexture(e){const{gl:t,backend:o,defaultTextures:i}=this,n=this.getGLTextureType(e);let s=i[n];s===0[0]&&(s=t.createTexture(),o.state.bindTexture(n,s),t.texParameteri(n,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(n,t.TEXTURE_MAG_FILTER,t.NEAREST),i[n]=s),o.set(e,{textureGPU:s,glTextureType:n})}createTexture(e,t){const{gl:n,backend:s}=this,{levels:a,width:r,height:c,depth:l}=t,d=s.utils.convert(e.format,e.colorSpace),u=s.utils.convert(e.type),o=this.getInternalFormat(e.internalFormat,d,u,e.colorSpace,e.isVideoTexture),h=n.createTexture(),i=this.getGLTextureType(e);s.state.bindTexture(i,h),this.setTextureParameters(i,e),e.isArrayTexture||e.isDataArrayTexture||e.isCompressedArrayTexture?n.texStorage3D(n.TEXTURE_2D_ARRAY,a,o,r,c,l):e.isData3DTexture?n.texStorage3D(n.TEXTURE_3D,a,o,r,c,l):e.isVideoTexture||n.texStorage2D(i,a,o,r,c),s.set(e,{textureGPU:h,glTextureType:i,glFormat:d,glType:u,glInternalFormat:o})}copyBufferToTexture(e,t){const{gl:n,backend:s}=this,{textureGPU:i,glTextureType:o,glFormat:a,glType:r}=s.get(t),{width:c,height:l}=t.source.data;n.bindBuffer(n.PIXEL_UNPACK_BUFFER,e),s.state.bindTexture(o,i),n.pixelStorei(n.UNPACK_FLIP_Y_WEBGL,!1),n.pixelStorei(n.UNPACK_PREMULTIPLY_ALPHA_WEBGL,!1),n.texSubImage2D(o,0,0,0,c,l,a,r,0),n.bindBuffer(n.PIXEL_UNPACK_BUFFER,null),s.state.unbindTexture()}updateTexture(e,t){const{gl:n}=this,{width:a,height:r}=t,{textureGPU:c,glTextureType:i,glFormat:s,glType:o,glInternalFormat:l}=this.backend.get(e);if(e.isRenderTargetTexture||c===0[0])return;if(this.backend.state.bindTexture(i,c),this.setTextureParameters(i,e),e.isCompressedTexture){const i=e.mipmaps,a=t.image;for(let r=0;r<i.length;r++){const t=i[r];e.isCompressedArrayTexture?e.format!==n.RGBA?s!==null?n.compressedTexSubImage3D(n.TEXTURE_2D_ARRAY,r,0,0,0,t.width,t.height,a.depth,s,t.data):warn("WebGLBackend: Attempt to load unsupported compressed texture format in .uploadTexture()"):n.texSubImage3D(n.TEXTURE_2D_ARRAY,r,0,0,0,t.width,t.height,a.depth,s,o,t.data):s!==null?n.compressedTexSubImage2D(n.TEXTURE_2D,r,0,0,t.width,t.height,s,t.data):warn("WebGLBackend: Unsupported compressed texture format")}}else if(e.isCubeTexture){const c=t.images,i=e.mipmaps;for(let e=0;e<6;e++){const t=getImage(c[e]);n.texSubImage2D(n.TEXTURE_CUBE_MAP_POSITIVE_X+e,0,0,0,a,r,s,o,t);for(let t=0;t<i.length;t++){const r=i[t],a=getImage(r.images[e]);n.texSubImage2D(n.TEXTURE_CUBE_MAP_POSITIVE_X+e,t+1,0,0,a.width,a.height,s,o,a)}}}else if(e.isDataArrayTexture||e.isArrayTexture){const i=t.image;if(e.layerUpdates.size>0){const t=getByteLength(i.width,i.height,e.format,e.type);for(const a of e.layerUpdates){const r=i.data.subarray(a*t/i.data.BYTES_PER_ELEMENT,(a+1)*t/i.data.BYTES_PER_ELEMENT);n.texSubImage3D(n.TEXTURE_2D_ARRAY,0,0,0,a,i.width,i.height,1,s,o,r)}e.clearLayerUpdates()}else n.texSubImage3D(n.TEXTURE_2D_ARRAY,0,0,0,0,i.width,i.height,i.depth,s,o,i.data)}else if(e.isData3DTexture){const e=t.image;n.texSubImage3D(n.TEXTURE_3D,0,0,0,0,e.width,e.height,e.depth,s,o,e.data)}

201else if(e.isVideoTexture)e.update(),n.texImage2D(i,0,l,s,o,t.image);else{const c=e.mipmaps;if(c.length>0)for(let e=0,a=c.length;e<a;e++){const t=c[e],r=getImage(t);n.texSubImage2D(i,e,0,0,t.width,t.height,s,o,r)}else{const e=getImage(t.image);n.texSubImage2D(i,0,0,0,a,r,s,o,e)}}}generateMipmaps(e){const{gl:s,backend:t}=this,{textureGPU:o,glTextureType:n}=t.get(e);t.state.bindTexture(n,o),s.generateMipmap(n)}deallocateRenderBuffers(e){const{gl:t,backend:n}=this;if(e){const s=n.get(e);if(s.renderBufferStorageSetup=0[0],s.framebuffers){for(const e in s.framebuffers)t.deleteFramebuffer(s.framebuffers[e]);delete s.framebuffers}if(s.depthRenderbuffer&&(t.deleteRenderbuffer(s.depthRenderbuffer),delete s.depthRenderbuffer),s.stencilRenderbuffer&&(t.deleteRenderbuffer(s.stencilRenderbuffer),delete s.stencilRenderbuffer),s.msaaFrameBuffer&&(t.deleteFramebuffer(s.msaaFrameBuffer),delete s.msaaFrameBuffer),s.msaaRenderbuffers){for(let e=0;e<s.msaaRenderbuffers.length;e++)t.deleteRenderbuffer(s.msaaRenderbuffers[e]);delete s.msaaRenderbuffers}}}destroyTexture(e,t=!1){const{gl:s,backend:n}=this,{textureGPU:o,renderTarget:i}=n.get(e);this.deallocateRenderBuffers(i),t===!1&&s.deleteTexture(o),n.delete(e)}copyTextureToTexture(e,t,n=null,s=null,o=0,i=0){const{gl:a,backend:b}=this,{state:h}=this.backend,{textureGPU:w,glTextureType:v,glType:_,glFormat:j}=b.get(t);h.bindTexture(v,w);let c,l,m,p,g,y,d,u,f;const r=e.isCompressedTexture?e.mipmaps[i]:e.image;if(n!==null)c=n.max.x-n.min.x,l=n.max.y-n.min.y,m=n.isBox3?n.max.z-n.min.z:1,p=n.min.x,g=n.min.y,y=n.isBox3?n.min.z:0;else{const t=2**-o;c=Math.floor(r.width*t),l=Math.floor(r.height*t),e.isDataArrayTexture||e.isArrayTexture?m=r.depth:e.isData3DTexture?m=Math.floor(r.depth*t):m=1,p=0,g=0,y=0}s!==null?(d=s.x,u=s.y,f=s.z):(d=0,u=0,f=0),a.pixelStorei(a.UNPACK_FLIP_Y_WEBGL,t.flipY),a.pixelStorei(a.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),a.pixelStorei(a.UNPACK_ALIGNMENT,t.unpackAlignment);const C=a.getParameter(a.UNPACK_ROW_LENGTH),E=a.getParameter(a.UNPACK_IMAGE_HEIGHT),k=a.getParameter(a.UNPACK_SKIP_PIXELS),A=a.getParameter(a.UNPACK_SKIP_ROWS),S=a.getParameter(a.UNPACK_SKIP_IMAGES);a.pixelStorei(a.UNPACK_ROW_LENGTH,r.width),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,r.height),a.pixelStorei(a.UNPACK_SKIP_PIXELS,p),a.pixelStorei(a.UNPACK_SKIP_ROWS,g),a.pixelStorei(a.UNPACK_SKIP_IMAGES,y);const x=e.isDataArrayTexture||e.isData3DTexture||t.isArrayTexture,O=t.isDataArrayTexture||t.isData3DTexture||t.isArrayTexture;if(e.isDepthTexture){const n=b.get(e),s=b.get(t),r=b.get(n.renderTarget),v=b.get(s.renderTarget),j=r.framebuffers[n.cacheKey],_=v.framebuffers[s.cacheKey];h.bindFramebuffer(a.READ_FRAMEBUFFER,j),h.bindFramebuffer(a.DRAW_FRAMEBUFFER,_);for(let e=0;e<m;e++)x&&(a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,n.textureGPU,o,y+e),a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,w,i,f+e)),a.blitFramebuffer(p,g,c,l,d,u,c,l,a.DEPTH_BUFFER_BIT,a.NEAREST);h.bindFramebuffer(a.READ_FRAMEBUFFER,null),h.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else if(o!==0||e.isRenderTargetTexture||b.has(e)){const t=b.get(e);this._srcFramebuffer===null&&(this._srcFramebuffer=a.createFramebuffer()),this._dstFramebuffer===null&&(this._dstFramebuffer=a.createFramebuffer()),h.bindFramebuffer(a.READ_FRAMEBUFFER,this._srcFramebuffer),h.bindFramebuffer(a.DRAW_FRAMEBUFFER,this._dstFramebuffer);for(let e=0;e<m;e++)x?a.framebufferTextureLayer(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,t.textureGPU,o,y+e):a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,t.textureGPU,o),O?a.framebufferTextureLayer(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,w,i,f+e):a.framebufferTexture2D(a.DRAW_FRAMEBUFFER,a.COLOR_ATTACHMENT0,a.TEXTURE_2D,w,i),o!==0?a.blitFramebuffer(p,g,c,l,d,u,c,l,a.COLOR_BUFFER_BIT,a.NEAREST):O?a.copyTexSubImage3D(v,i,d,u,f+e,p,g,c,l):a.copyTexSubImage2D(v,i,d,u,p,g,c,l);h.bindFramebuffer(a.READ_FRAMEBUFFER,null),h.bindFramebuffer(a.DRAW_FRAMEBUFFER,null)}else O?e.isDataTexture||e.isData3DTexture?a.texSubImage3D(v,i,d,u,f,c,l,m,j,_,r.data):t.isCompressedArrayTexture?a.compressedTexSubImage3D(v,i,d,u,f,c,l,m,j,r.data):a.texSubImage3D(v,i,d,u,f,c,l,m,j,_,r):e.isDataTexture?a.texSubImage2D(a.TEXTURE_2D,i,d,u,c,l,j,_,r.data):e.isCompressedTexture?a.compressedTexSubImage2D(a.TEXTURE_2D,i,d,u,r.width,r.height,j,r.data):a.texSubImage2D(a.TEXTURE_2D,i,d,u,c,l,j,_,r);a.pixelStorei(a.UNPACK_ROW_LENGTH,C),a.pixelStorei(a.UNPACK_IMAGE_HEIGHT,E),a.pixelStorei(a.UNPACK_SKIP_PIXELS,k),a.pixelStorei(a.UNPACK_SKIP_ROWS,A),a.pixelStorei(a.UNPACK_SKIP_IMAGES,S),i===0&&t.generateMipmaps&&a.generateMipmap(v),h.unbindTexture()}copyFramebufferToTexture(e,t,n){const{gl:s}=this,{state:o}=this.backend,{textureGPU:c}=this.backend.get(e),{x:a,y:l,z:r,w:i}=n,u=e.isDepthTexture===!0||t.renderTarget&&t.renderTarget.samples>0,d=t.renderTarget?t.renderTarget.height:this.backend.getDrawingBufferSize().y;if(u){const h=a!==0||l!==0;let n,u;if(e.isDepthTexture===!0?(n=s.DEPTH_BUFFER_BIT,u=s.DEPTH_ATTACHMENT,t.stencil&&(n|=s.STENCIL_BUFFER_BIT)):(n=s.COLOR_BUFFER_BIT,u=s.COLOR_ATTACHMENT0),h){const u=this.backend.get(t.renderTarget),h=u.framebuffers[t.getCacheKey()],m=u.msaaFrameBuffer;o.bindFramebuffer(s.DRAW_FRAMEBUFFER,h),o.bindFramebuffer(s.READ_FRAMEBUFFER,m);const e=d-l-i;s.blitFramebuffer(a,e,a+r,e+i,a,e,a+r,e+i,n,s.NEAREST),o.bindFramebuffer(s.READ_FRAMEBUFFER,h),o.bindTexture(s.TEXTURE_2D,c),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,e,r,i),o.unbindTexture()}else{const e=s.createFramebuffer();o.bindFramebuffer(s.DRAW_FRAMEBUFFER,e),s.framebufferTexture2D(s.DRAW_FRAMEBUFFER,u,s.TEXTURE_2D,c,0),s.blitFramebuffer(0,0,r,i,0,0,r,i,n,s.NEAREST),s.deleteFramebuffer(e)}}else o.bindTexture(s.TEXTURE_2D,c),s.copyTexSubImage2D(s.TEXTURE_2D,0,0,0,a,d-i-l,r,i),o.unbindTexture();e.generateMipmaps&&this.generateMipmaps(e),this.backend._setFramebuffer(t)}setupRenderBufferStorage(e,t,n,s=!1){const{gl:o}=this,c=t.renderTarget,{depthTexture:r,depthBuffer:l,stencilBuffer:d,width:i,height:a}=c;

201if(o.bindRenderbuffer(o.RENDERBUFFER,e),l&&!d){let t=o.DEPTH_COMPONENT24;if(s===!0){const e=this.extensions.get("WEBGL_multisampled_render_to_texture");e.renderbufferStorageMultisampleEXT(o.RENDERBUFFER,c.samples,t,i,a)}else n>0?(r&&r.isDepthTexture&&r.type===o.FLOAT&&(t=o.DEPTH_COMPONENT32F),o.renderbufferStorageMultisample(o.RENDERBUFFER,n,t,i,a)):o.renderbufferStorage(o.RENDERBUFFER,t,i,a);o.framebufferRenderbuffer(o.FRAMEBUFFER,o.DEPTH_ATTACHMENT,o.RENDERBUFFER,e)}else l&&d&&(n>0?o.renderbufferStorageMultisample(o.RENDERBUFFER,n,o.DEPTH24_STENCIL8,i,a):o.renderbufferStorage(o.RENDERBUFFER,o.DEPTH_STENCIL,i,a),o.framebufferRenderbuffer(o.FRAMEBUFFER,o.DEPTH_STENCIL_ATTACHMENT,o.RENDERBUFFER,e));o.bindRenderbuffer(o.RENDERBUFFER,null)}async copyTextureToBuffer(e,t,n,s,o,i){const{backend:c,gl:a}=this,{textureGPU:b,glFormat:u,glType:r}=this.backend.get(e),h=a.createFramebuffer();c.state.bindFramebuffer(a.READ_FRAMEBUFFER,h);const p=e.isCubeTexture?a.TEXTURE_CUBE_MAP_POSITIVE_X+i:a.TEXTURE_2D;a.framebufferTexture2D(a.READ_FRAMEBUFFER,a.COLOR_ATTACHMENT0,p,b,0);const m=this._getTypedArrayType(r),v=this._getBytesPerTexel(r,u),g=s*o,l=g*v,f=a.createBuffer();a.bindBuffer(a.PIXEL_PACK_BUFFER,f),a.bufferData(a.PIXEL_PACK_BUFFER,l,a.STREAM_READ),a.readPixels(t,n,s,o,u,r,0),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),await c.utils._clientWaitAsync();const d=new m(l/m.BYTES_PER_ELEMENT);return a.bindBuffer(a.PIXEL_PACK_BUFFER,f),a.getBufferSubData(a.PIXEL_PACK_BUFFER,0,d),a.bindBuffer(a.PIXEL_PACK_BUFFER,null),c.state.bindFramebuffer(a.READ_FRAMEBUFFER,null),a.deleteFramebuffer(h),d}_getTypedArrayType(e){const{gl:t}=this;if(e===t.UNSIGNED_BYTE)return Uint8Array;

201if(e===t.UNSIGNED_SHORT_4_4_4_4)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_5_5_1)return Uint16Array;if(e===t.UNSIGNED_SHORT_5_6_5)return Uint16Array;if(e===t.UNSIGNED_SHORT)return Uint16Array;if(e===t.UNSIGNED_INT)return Uint32Array;if(e===t.HALF_FLOAT)return Uint16Array;if(e===t.FLOAT)return Float32Array;throw new Error(`Unsupported WebGL type: ${e}`)}_getBytesPerTexel(e,t){const{gl:n}=this;let s=0;if(e===n.UNSIGNED_BYTE&&(s=1),(e===n.UNSIGNED_SHORT_4_4_4_4||e===n.UNSIGNED_SHORT_5_5_5_1||e===n.UNSIGNED_SHORT_5_6_5||e===n.UNSIGNED_SHORT||e===n.HALF_FLOAT)&&(s=2),(e===n.UNSIGNED_INT||e===n.FLOAT)&&(s=4),t===n.RGBA)return s*4;if(t===n.RGB)return s*3;if(t===n.ALPHA)return s}dispose(){const{gl:e}=this;this._srcFramebuffer!==null&&e.deleteFramebuffer(this._srcFramebuffer),this._dstFramebuffer!==null&&e.deleteFramebuffer(this._dstFramebuffer)}}function getImage(e){return e.isDataTexture?e.image.data:typeof HTMLImageElement!="undefined"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement!="undefined"&&e instanceof HTMLCanvasElement||typeof ImageBitmap!="undefined"&&e instanceof ImageBitmap||typeof OffscreenCanvas!="undefined"&&e instanceof OffscreenCanvas?e:e.data}class WebGLExtensions{constructor(e){this.backend=e,this.gl=this.backend.gl,this.availableExtensions=this.gl.getSupportedExtensions(),this.extensions={}}get(e){let t=this.extensions[e];return t===0[0]&&(t=this.gl.getExtension(e),this.extensions[e]=t),t}has(e){return this.availableExtensions.includes(e)}}class WebGLCapabilities{constructor(e){this.backend=e,this.maxAnisotropy=null}getMaxAnisotropy(){if(this.maxAnisotropy!==null)return this.maxAnisotropy;const t=this.backend.gl,e=this.backend.extensions;if(e.has("EXT_texture_filter_anisotropic")===!0){const n=e.get("EXT_texture_filter_anisotropic");this.maxAnisotropy=t.getParameter(n.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else this.maxAnisotropy=0;return this.maxAnisotropy}}GLFeatureName={WEBGL_multi_draw:"WEBGL_multi_draw",WEBGL_compressed_texture_astc:"texture-compression-astc",WEBGL_compressed_texture_etc:"texture-compression-etc2",WEBGL_compressed_texture_etc1:"texture-compression-etc1",WEBGL_compressed_texture_pvrtc:"texture-compression-pvrtc",WEBGL_compressed_texture_s3tc:"texture-compression-s3tc",EXT_texture_compression_bptc:"texture-compression-bc",EXT_disjoint_timer_query_webgl2:"timestamp-query",OVR_multiview2:"OVR_multiview2"};class WebGLBufferRenderer{constructor(e){this.gl=e.gl,this.extensions=e.extensions,this.info=e.renderer.info,this.mode=null,this.index=0,this.type=null,this.object=null}render(e,t){const{gl:n,mode:s,object:o,type:i,info:a,index:r}=this;r!==0?n.drawElements(s,t,i,e):n.drawArrays(s,e,t),a.update(o,t,1)}renderInstances(e,t,n){const{gl:s,mode:o,type:i,index:a,object:r,info:c}=this;if(n===0)return;a!==0?s.drawElementsInstanced(o,t,i,e,n):s.drawArraysInstanced(o,e,t,n),c.update(r,t,n)}renderMultiDraw(e,t,n){const{extensions:i,mode:o,object:a,info:r}=this;if(n===0)return;const s=i.get("WEBGL_multi_draw");if(s===null)for(let s=0;s<n;s++)this.render(e[s],t[s]);else{this.index!==0?s.multiDrawElementsWEBGL(o,t,0,this.type,e,0,n):s.multiDrawArraysWEBGL(o,e,0,t,0,n);let i=0;for(let e=0;e<n;e++)i+=t[e];r.update(a,i,1)}}renderMultiDrawInstances(e,t,n,s){const{extensions:a,mode:i,object:r,info:c}=this;if(n===0)return;const o=a.get("WEBGL_multi_draw");if(o===null)for(let o=0;o<n;o++)this.renderInstances(e[o],t[o],s[o]);else{this.index!==0?o.multiDrawElementsInstancedWEBGL(i,t,0,this.type,e,0,s,0,n):o.multiDrawArraysInstancedWE

201BGL(i,e,0,t,0,s,0,n);let a=0;for(let e=0;e<n;e++)a+=t[e]*s[e];c.update(r,a,1)}}}class TimestampQueryPool{constructor(e=256){this.trackTimestamp=!0,this.maxQueries=e,this.currentQueryIndex=0,this.queryOffsets=new Map,this.isDisposed=!1,this.lastValue=0,this.frames=[],this.pendingResolve=!1,this.timestamps=new Map}getTimestampFrames(){return this.frames}getTimestamp(e){let t=this.timestamps.get(e);return t===0[0]&&(warn(`TimestampQueryPool: No timestamp available for uid ${e}.`),t=0),t}hasTimestamp(e){return this.timestamps.has(e)}allocateQueriesForContext(){}async resolveQueriesAsync(){}dispose(){}}class WebGLTimestampQueryPool extends TimestampQueryPool{constructor(e,t,n=2048){if(super(n),this.gl=e,this.type=t,this.ext=e.getExtension("EXT_disjoint_timer_query_webgl2")||e.getExtension("EXT_disjoint_timer_query"),!this.ext){warn("EXT_disjoint_timer_query not supported; timestamps will be disabled."),this.trackTimestamp=!1;return}this.queries=[];for(let t=0;t<this.maxQueries;t++)this.queries.push(e.createQuery());this.activeQuery=null,this.queryStates=new Map}allocateQueriesForContext(e){if(!this.trackTimestamp)return null;if(this.currentQueryIndex+2>this.maxQueries)return warnOnce(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryStates.set(t,"inactive"),this.queryOffsets.set(e,t),t}beginQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(t==null)return;if(this.activeQuery!==null)return;const n=this.queries[t];if(!n)return;try{this.queryStates.get(t)==="inactive"&&(this.gl.beginQuery(this.ext.TIME_ELAPSED_EXT,n),this.activeQuery=t,this.queryStates.set(t,"started"))}catch(e){error("Error in beginQuery:",e),this.activeQuery=null,this.queryStates.set(t,"inactive")}}endQuery(e){if(!this.trackTimestamp||this.isDisposed)return;const t=this.queryOffsets.get(e);if(t==null)return;if(this.activeQuery!==t)return;try{this.gl.endQuery(this.ext.TIME_ELAPSED_EXT),this.queryStates.set(t,"ended"),this.activeQuery=null}catch(e){error("Error in endQuery:",e),this.queryStates.set(t,"inactive"),this.activeQuery=null}}async resolveQueriesAsync(){if(!this.trackTimestamp||this.pendingResolve)return this.lastValue;this.pendingResolve=!0;try{const n=new Map;for(const[t,e]of this.queryOffsets){const s=this.queryStates.get(e);if(s==="ended"){const s=this.queries[e];n.set(t,this.resolveQuery(s))}}if(n.size===0)return this.lastValue;const t={},e=[];for(const[o,a]of n){const r=o.match(/^(.*):f(\d+)$/),s=parseInt(r[2]);e.includes(s)===!1&&e.push(s),t[s]===0[0]&&(t[s]=0);const i=await a;this.timestamps.set(o,i),t[s]+=i}const s=t[e[e.length-1]];return this.lastValue=s,this.frames=e,this.currentQueryIndex=0,this.queryOffsets.clear(),this.queryStates.clear(),this.activeQuery=null,s}catch(e){return error("Error resolving queries:",e),this.lastValue}finally{this.pendingResolve=!1}}async resolveQuery(e){return new Promise(t=>{if(this.isDisposed){t(this.lastValue);return}let n,s=!1;const a=()=>{n&&(clearTimeout(n),n=null)},o=e=>{s||(s=!0,a(),t(e))},i=()=>{if(this.isDisposed){o(this.lastValue);return}try{const s=this.gl.getParameter(this.ext.GPU_DISJOINT_EXT);if(s){o(this.lastValue);return}const a=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT_AVAILABLE);if(!a){n=setTimeout(i,1);return}const r=this.gl.getQueryParameter(e,this.gl.QUERY_RESULT);t(Number(r)/1e6)}catch(e){error("Error checking query:",e),t(this.lastValue)}};i()})}dispose(){if(this.isDisposed)return;if(this.isDisposed=!0,!this.trackTimestamp)return;for(const e of this.queries)this.gl.deleteQuery(e);this.queries=[],this.queryStates.clear(),this.queryOffsets.clear(),this.lastValue=0,this.activeQuery=null}}class WebGLBackend extends Backend{constructor(e={}){super(e),this.isWebGLBackend=!0,this.attributeUtils=null,this.extensions=null,this.capabilities=null,this.textureUtils=null,this.bufferRenderer=null,this.gl=null,this.state=null,this.utils=null,this.vaoCache={},this.transformFeedbackCache={},this.discard=!1,this.disjoint=null,this.parallel=null,this._currentContext=null,this._knownBindings=new WeakSet,this._supportsInvalidateFramebuffer=typeof navigator!="undefined"&&/OculusBrowser/g.test(navigator.userAgent),this._xrFramebuffer=null}init(e){super.init(e);const t=this.parameters,s={antialias:e.currentSamples>0,alpha:!0,depth:e.depth,stencil:e.stencil},o=t.context!==0[0]?t.context:e.domElement.getContext("webgl2",s);function n(t){t.preventDefault();const n={api:"WebGL",message:t.statusMessage||"Unknown reason",reason:null,originalEvent:t};e.onDeviceLost(n)}this._onContextLost=n,e.domElement.addEventListener("webglcontextlost",n,!1),this.gl=o,this.extensions=new WebGLExtensions(this),this.capabilities=new WebGLCapabilities(this),this.attributeUtils=new WebGLAttributeUtils(this),this.textureUtils=new WebGLTextureUtils(this),this.bufferRenderer=new WebGLBufferRenderer(this),this.state=new WebGLState(this),this.utils=new WebGLUtils(this),this.extensions.get("EXT_color_buffer_float"),this.extensions.get("WEBGL_clip_cull_distance"),this.extensions.get("OES_texture_float_linear"),this.extensions.get("EXT_color_buffer_half_float"),this.extensions.get("WEBGL_multisampled_render_to_texture"),this.extensions.get("WEBGL_render_shared_exponent"),this.extensions.get("WEBGL_multi_draw"),this.extensions.get("OVR_multiview2"),this.disjoint=this.extensions.get("EXT_disjoint_timer_query_webgl2"),this.parallel=this.extensions.get("KHR_parallel_shader_compile"),this.drawBuffersIndexedExt=this.extensions.get("OES_draw_buffers_indexed")}get coordinateSystem(){return WebGLCoordinateSystem}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}async makeXRCompatible(){const e=this.gl.getContextAttributes();e.xrCompatible!==!0&&await this.gl.makeXRCompatible()}setXRTarget(e){this._xrFramebuffer=e}setXRRenderTargetTextures(e,t,n=null){const s=this.gl;if(this.set(e.texture,{textureGPU:t,glInternalFormat:s.RGBA8}),n!==null){const t=e.stencilBuffer?s.DEPTH24_STENCIL8:s.DEPTH_COMPONENT24;this.set(e.depthTexture,{textureGPU:n,glInternalFormat:t}),this.extensions.has("WEBGL_multisampled_render_to_texture")===!0&&e._autoAllocateDepthBuffer===!0&&e.multiview===!1&&warn("WebGLBackend: Render-to-texture extension was disabled because an external texture was provided"),e._autoAllocateDepthBuffer=!1}}initTimestampQuery(e,t){if(!this.disjoint||!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new WebGLTimestampQueryPool(this.gl,e,2048));const n=this.timestampQueryPool[e],s=n.allocateQueriesForContext(t);s!==null&&n.beginQuery(t)}prepareTimestampBuffer(e,t){if(!this.disjoint||!this.trackTimestamp)return;const n=this.timestampQueryPool[e];n.endQuery(t)}getContext(){return this.gl}beginRender(e){const{state:s}=this,t=this.get(e);if(e.viewport)this.updateViewport(e);else{const{width:e,height:t}=this.getDrawingBufferSize();s.viewport(0,0,e,t)}if(e.scissor){const{x:n,y:o,width:i,height:t}=e.scissorValue;s.scissor(n,e.height-t-o,i,t)}this.initTimestampQuery(TimestampQuery.RENDER,this.getTimestampUID(e)),t.previousContext=this._currentContext,this._currentContext=e,this._setFramebuffer(e),this.clear(e.clearColor,e.clearDepth,e.clearStencil,e,!1);const n=e.occlusionQueryCount;n>0&&(t.currentOcclusionQueries=t.occlusionQueries,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,t.lastOcclusionObject=null,t.occlusionQueries=new Array(n),t.occlusionQueryObjects=new Array(n),t.occlusionQueryIndex=0)}finishRender(e){const{gl:s,state:o}=this,i=this.get(e),t=i.previousContext;o.resetVertexState();const a=e.occlusionQueryCount;a>0&&(a>i.occlusionQueryIndex&&s.endQuery(s.ANY_SAMPLES_PASSED),this.resolveOccludedAsync(e));const n=e.textures;if(n!==null)for(let e=0;e<n.length;e++){const t=n[e];t.generateMipmaps&&this.generateMipmaps(t)}if(this._currentContext=t,this._resolveRenderTarget(e),t!==null)if(this._setFramebuffer(t),t.viewport)this.updateViewport(t);else{const{width:e,height:t}=this.getDrawingBufferSize();o.viewport(0,0,e,t)}this.prepareTimestampBuffer(TimestampQuery.RENDER,this.getTimestampUID(e))}resolveOccludedAsync(e){const n=this.get(e),{currentOcclusionQueries:t,currentOcclusionQueryObjects:s}=n;if(t&&s){const o=new WeakSet,{gl:e}=this;n.currentOcclusionQueryObjects=null,n.currentOcclusionQueries=null;const i=()=>{let a=0;for(let n=0;n<t.length;n++){const i=t[n];if(i===null)continue;e.getQueryParameter(i,e.QUERY_RESULT_AVAILABLE)&&(e.getQueryParameter(i,e.QUERY_RESULT)===0&&o.add(s[n]),t[n]=null,e.deleteQuery(i),a++)}a<t.length?requestAnimationFrame(i):n.occluded=o};i()}}isOccluded(e,t){const n=this.get(e);return n.occluded&&n.occluded.has(t)}updateViewport(e){const{state:n}=this,{x:s,y:o,width:i,height:t}=e.viewportValue;n.viewport(s,e.height-t-o,i,t)}setScissorTest(e){const t=this.state;t.setScissorTest(e)}getClearColor(){const e=super.getClearColor();return e.r*=e.a,e.g*=e.a,e.b*=e.a,e}clear(e,t,n,s=null,o=!0,i=!0){const{gl:a,renderer:c}=this;if(s===null){const e=this.getClearColor();s={textures:null,clearColorValue:e}}let r=0;if(e&&(r|=a.COLOR_BUFFER_BIT),t&&(r|=a.DEPTH_BUFFER_BIT),n&&(r|=a.STENCIL_BUFFER_BIT),r!==0){let l;s.clearColorValue?l=s.clearColorValue:l=this.getClearColor();const d=c.getClearDepth(),u=c.getClearStencil();if(t&&this.state.setDepthMask(!0),s.textures===null)a.clearColor(l.r,l.g,l.b,l.a),a.clear(r);else{if(o&&this._setFramebuffer(s),e)for(let e=0;e<s.textures.length;

201e++)e===0?a.clearBufferfv(a.COLOR,e,[l.r,l.g,l.b,l.a]):a.clearBufferfv(a.COLOR,e,[0,0,0,1]);t&&n?a.clearBufferfi(a.DEPTH_STENCIL,0,d,u):t?a.clearBufferfv(a.DEPTH,0,[d]):n&&a.clearBufferiv(a.STENCIL,0,[u]),o&&i&&this._resolveRenderTarget(s)}}}beginCompute(e){const{state:t,gl:n}=this;t.bindFramebuffer(n.FRAMEBUFFER,null),this.initTimestampQuery(TimestampQuery.COMPUTE,this.getTimestampUID(e))}compute(e,t,n,s,o=null){const{state:a,gl:i}=this;this.discard===!1&&(a.enable(i.RASTERIZER_DISCARD),this.discard=!0);const{programGPU:u,transformBuffers:r,attributes:c}=this.get(s),l=this._getVaoKey(c),d=this.vaoCache[l];d===0[0]?this.vaoCache[l]=this._createVao(c):a.setVertexState(d),a.useProgram(u),this._bindUniforms(n);const h=this._getTransformFeedback(r);i.bindTransformFeedback(i.TRANSFORM_FEEDBACK,h),i.beginTransformFeedback(i.POINTS),o=o!==null?o:t.count,Array.isArray(o)?(warnOnce("WebGLBackend.compute(): The count parameter must be a single number, not an array."),o=o[0]):o&&typeof o=="object"&&o.isIndirectStorageBufferAttribute&&(warnOnce("WebGLBackend.compute(): The count parameter must be a single number, not IndirectStorageBufferAttribute"),o=t.count),c[0].isStorageInstancedBufferAttribute?i.drawArraysInstanced(i.POINTS,0,1,o):i.drawArrays(i.POINTS,0,o),i.endTransformFeedback(),i.bindTransformFeedback(i.TRANSFORM_FEEDBACK,null);for(let t=0;t<r.length;t++){const e=r[t];e.pbo&&this.has(e.pbo)&&this.textureUtils.copyBufferToTexture(e.transformBuffer,e.pbo),e.switchBuffers()}}finishCompute(e){const{state:t,gl:n}=this;this.discard=!1,t.disable(n.RASTERIZER_DISCARD),this.prepareTimestampBuffer(TimestampQuery.COMPUTE,this.getTimestampUID(e)),this._currentContext&&this._setFramebuffer(this._currentContext)}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.isArrayTexture&&e.camera.isArrayCamera}draw(e){const{object:t,pipeline:w,material:m,context:l,hardwareClippingPlanes:_}=e,{programGPU:y}=this.get(w),{gl:n,state:i}=this,a=this.get(l),u=e.getDrawParameters();if(u===null)return;this._bindUniforms(e.getBindings());const b=t.isMesh&&t.matrixWorld.determinant()<0;i.setMaterial(m,b,_),l.textures!==null&&l.textures.length>1&&i.setMRTBlending(l.textures),i.useProgram(y);const h=e.getAttributes(),f=this.get(h);let o=f.vaoGPU;if(o===0[0]){const e=this._getVaoKey(h);o=this.vaoCache[e],o===0[0]&&(o=this._createVao(h),this.vaoCache[e]=o,f.vaoGPU=o)}const r=e.getIndex(),j=r!==null?this.get(r).bufferGPU:null;i.setVertexState(o,j);const c=a.lastOcclusionObject;if(c!==t&&c!==0[0]){if(c!==null&&c.occlusionTest===!0&&(n.endQuery(n.ANY_SAMPLES_PASSED),a.occlusionQueryIndex++),t.occlusionTest===!0){const e=n.createQuery();n.beginQuery(n.ANY_SAMPLES_PASSED,e),a.occlusionQueries[a.occlusionQueryIndex]=e,a.occlusionQueryObjects[a.occlusionQueryIndex]=t}a.lastOcclusionObject=t}const s=this.bufferRenderer;t.isPoints?s.mode=n.POINTS:t.isLineSegments?s.mode=n.LINES:t.isLine?s.mode=n.LINE_STRIP:t.isLineLoop?s.mode=n.LINE_LOOP:m.wireframe===!0?(i.setLineWidth(m.wireframeLinewidth*this.renderer.getPixelRatio()),s.mode=n.LINES):s.mode=n.TRIANGLES;const{vertexCount:g,instanceCount:p}=u;let{firstVertex:d}=u;if(s.object=t,r!==null){d*=r.array.BYTES_PER_ELEMENT;const e=this.get(r);s.index=r.count,s.type=e.type}else s.index=0;const v=()=>{t.isBatchedMesh?t._multiDrawInstances!==null?(warnOnce("WebGLBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection."),s.renderMultiDrawInstances(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount,t._multiDrawInstances)):this.hasFeature("WEBGL_multi_draw")?s.renderMultiDraw(t._multiDrawStarts,t._multiDrawCounts,t._multiDrawCount):warnOnce("WebGLBackend: WEBGL_multi_draw not supported."):p>1?s.renderInstances(d,g,p):s.render(d,g)};if(e.camera.isArrayCamera===!0&&e.camera.cameras.length>0&&e.camera.isMultiViewCamera===!1){const o=this.get(e.camera),s=e.camera.cameras,d=e.getBindingGroup("cameraIndex").bindings[0];if(o.indexesGPU===0[0]||o.indexesGPU.length!==s.length){const e=new Uint32Array([0,0,0,0]),t=[];for(let o=0,a=s.length;o<a;o++){const i=n.createBuffer();e[0]=o,n.bindBuffer(n.UNIFORM_BUFFER,i),n.bufferData(n.UNIFORM_BUFFER,e,n.STATIC_DRAW),t.push(i)}o.indexesGPU=t}const u=this.get(d),a=this.renderer.getPixelRatio(),c=this._currentContext.renderTarget,l=this._isRenderCameraDepthArray(this._currentContext),r=this._currentContext.activeCubeFace;if(l){const e=this.get(c.depthTexture);if(e.clearedRenderId!==this.renderer._nodes.nodeFrame.renderId){e.clearedRenderId=this.renderer._nodes.nodeFrame.renderId;const{stencilBuffer:t}=c;for(let e=0,n=s.length;e<n;e++)this.renderer._activeCubeFace=e,this._currentContext.activeCubeFace=e,this._setFramebuffer(this._currentContext),this.clear(!1,!0,t,this._currentContext,!1,!1);this.renderer._activeCubeFace=r,this._currentContext.activeCubeFace=r}}for(let c=0,h=s.length;c<h;c++){const d=s[c];if(t.layers.test(d.layers)){l&&(this.renderer._activeCubeFace=c,this._currentContext.activeCubeFace=c,this._setFramebuffer(this._currentContext));const t=d.viewport;if(t!==0[0]){const s=t.x*a,o=t.y*a,r=t.width*a,n=t.height*a;i.viewport(Math.floor(s),Math.floor(e.context.height-n-o),Math.floor(r),Math.floor(n))}i.bindBufferBase(n.UNIFORM_BUFFER,u.index,o.indexesGPU[c]),v()}this._currentContext.activeCubeFace=r,this.renderer._activeCubeFace=r}}else v()}

201needsRenderUpdate(){return!1}getRenderCacheKey(){return""}createDefaultTexture(e){this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,n,s,o,i){return this.textureUtils.copyTextureToBuffer(e,t,n,s,o,i)}updateSampler(){return""}createNodeBuilder(e,t){return new GLSLNodeBuilder(e,t)}createProgram(e){const t=this.gl,{stage:s,code:o}=e,n=s==="fragment"?t.createShader(t.FRAGMENT_SHADER):t.createShader(t.VERTEX_SHADER);t.shaderSource(n,o),t.compileShader(n),this.set(e,{shaderGPU:n})}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){const n=this.gl,o=e.pipeline,{fragmentProgram:r,vertexProgram:c}=o,s=n.createProgram(),i=this.get(r).shaderGPU,a=this.get(c).shaderGPU;if(n.attachShader(s,i),n.attachShader(s,a),n.linkProgram(s),this.set(o,{programGPU:s,fragmentShader:i,vertexShader:a}),t!==null&&this.parallel){const i=new Promise(t=>{const a=this.parallel,i=()=>{n.getProgramParameter(s,a.COMPLETION_STATUS_KHR)?(this._completeCompile(e,o),t()):requestAnimationFrame(i)};i()});t.push(i);return}this._completeCompile(e,o)}_handleSource(e,t){const n=e.split(`
202`),s=[],o=Math.max(t-6,0),i=Math.min(t+6,n.length);for(let e=o;e<i;e++){const a=e+1;s.push(`${a===t?">":" "} ${a}: ${n[e]}`)}return s.join(`
203`)}

203_getShaderErrors(e,t,n){const i=e.getShaderParameter(t,e.COMPILE_STATUS),a=e.getShaderInfoLog(t)||"",s=a.trim();if(i&&s==="")return"";const o=/ERROR: 0:(\d+)/.exec(s);if(o){const i=parseInt(o[1]);return n.toUpperCase()+`
204
205`+s+`
206
207`+this._handleSource(e.getShaderSource(t),i)}return s}_logProgramError(e,t,n){if(this.renderer.debug.checkShaderErrors){const s=this.gl,i=s.getProgramInfoLog(e)||"",o=i.trim();if(s.getProgramParameter(e,s.LINK_STATUS)===!1)if(typeof this.renderer.debug.onShaderError=="function")this.renderer.debug.onShaderError(s,e,n,t);else{const i=this._getShaderErrors(s,n,"vertex"),a=this._getShaderErrors(s,t,"fragment");error("THREE.WebGLProgram: Shader Error "+s.getError()+" - VALIDATE_STATUS "+s.getProgramParameter(e,s.VALIDATE_STATUS)+`
208
209`+"Program Info Log: "+o+`
210`+i+`
211`+a)}else o!==""&&warn("WebGLProgram: Program Info Log:",o)}}_completeCompile(e,t){const{state:o,gl:s}=this,i=this.get(t),{programGPU:n,fragmentShader:a,vertexShader:r}=i;s.getProgramParameter(n,s.LINK_STATUS)===!1&&this._logProgramError(n,a,r),o.useProgram(n);const c=e.getBindings();this._setupBindings(c,n),this.set(t,{programGPU:n})}createComputePipeline(e,t){const{state:f,gl:n}=this,a={stage:"fragment",code:`#version 300 es
212precision highp float;
213void main() {}`};this.createProgram(a);const{computeProgram:i}=e,s=n.createProgram(),r=this.get(a).shaderGPU,c=this.get(i).shaderGPU,l=i.transforms,d=[],o=[];for(let e=0;e<l.length;e++){const t=l[e];d.push(t.varyingName),o.push(t.attributeNode)}n.attachShader(s,r),n.attachShader(s,c),n.transformFeedbackVaryings(s,d,n.SEPARATE_ATTRIBS),n.linkProgram(s),n.getProgramParameter(s,n.LINK_STATUS)===!1&&this._logProgramError(s,r,c),f.useProgram(s),this._setupBindings(t,s);const u=i.attributes,h=[],m=[];for(let e=0;e<u.length;e++){const t=u[e].node.attribute;h.push(t),this.has(t)||this.attributeUtils.createAttribute(t,n.ARRAY_BUFFER)}for(let e=0;e<o.length;e++){const t=o[e].attribute;this.has(t)||this.attributeUtils.createAttribute(t,n.ARRAY_BUFFER);const s=this.get(t);m.push(s)}this.set(e,{programGPU:s,transformBuffers:m,attributes:h})}createBindings(e,t){if(this._knownBindings.has(t)===!1){this._knownBindings.add(t);let e=0,n=0;for(const s of t){this.set(s,{textures:n,uniformBuffers:e});for(const t of s.bindings)t.isUniformBuffer&&e++,t.isSampledTexture&&n++}}this.updateBindings(e,t)}updateBindings(e){const{gl:t}=this,n=this.get(e);let s=n.uniformBuffers,o=n.textures;for(const n of e.bindings){const i=this.get(n);if(n.isUniformsGroup||n.isUniformBuffer){const e=n.buffer;let{bufferGPU:o}=this.get(e);o===0[0]?(o=t.createBuffer(),t.bindBuffer(t.UNIFORM_BUFFER,o),t.bufferData(t.UNIFORM_BUFFER,e.byteLength,t.DYNAMIC_DRAW),this.set(e,{bufferGPU:o})):t.bindBuffer(t.UNIFORM_BUFFER,o);const a=n.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,o),a.length===0)t.bufferData(t.UNIFORM_BUFFER,e,t.DYNAMIC_DRAW);else{const n=isTypedArray(e),s=n?1:e.BYTES_PER_ELEMENT;for(let o=0,c=a.length;o<c;o++){const i=a[o],r=i.start*s,l=i.count*s,d=r*(n?e.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,d,e,r,l)}}i.index=s++,i.bufferGPU=o,this.set(n,i)}else if(n.isSampledTexture){const{textureGPU:e,glTextureType:t}=this.get(n.texture);i.index=o++,i.textureGPU=e,i.glTextureType=t,this.set(n,i)}}}updateBinding(e){const t=this.gl;if(e.isUniformsGroup||e.isUniformBuffer){const o=this.get(e),i=o.bufferGPU,n=e.buffer,s=e.updateRanges;if(t.bindBuffer(t.UNIFORM_BUFFER,i),s.length===0)t.bufferData(t.UNIFORM_BUFFER,n,t.DYNAMIC_DRAW);else{const e=isTypedArray(n),o=e?1:n.BYTES_PER_ELEMENT;for(let i=0,c=s.length;i<c;i++){const a=s[i],r=a.start*o,l=a.count*o,d=r*(e?n.BYTES_PER_ELEMENT:1);t.bufferSubData(t.UNIFORM_BUFFER,d,n,r,l)}}}}createIndexAttribute(e){const t=this.gl;this.attributeUtils.createAttribute(e,t.ELEMENT_ARRAY_BUFFER)}createAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}createStorageAttribute(e){if(this.has(e))return;const t=this.gl;this.attributeUtils.createAttribute(e,t.ARRAY_BUFFER)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}hasFeature(e){const t=Object.keys(GLFeatureName).filter(t=>GLFeatureName[t]===e),n=this.extensions;for(let e=0;e<t.length;e++)if(n.has(t[e]))return!0;return!1}getMaxAnisotropy(){return this.capabilities.getMaxAnisotropy()}

213copyTextureToTexture(e,t,n=null,s=null,o=0,i=0){this.textureUtils.copyTextureToTexture(e,t,n,s,o,i)}copyFramebufferToTexture(e,t,n){this.textureUtils.copyFramebufferToTexture(e,t,n)}_setFramebuffer(e){const{gl:t,state:n}=this;let s=null;if(e.textures!==null){const i=e.renderTarget,o=this.get(i),{samples:r,depthBuffer:y,stencilBuffer:l}=i,v=i.isWebGLCubeRenderTarget===!0,j=i.isRenderTarget3D===!0,b=i.depth>1,p=i.isXRRenderTarget===!0,g=p===!0&&i._hasExternalTextures===!0;let h=o.msaaFrameBuffer,m=o.depthRenderbuffer;const u=this.extensions.get("WEBGL_multisampled_render_to_texture"),f=this.extensions.get("OVR_multiview2"),c=this._useMultisampledExtension(i),d=getCacheKey(e);let a;if(v?(o.cubeFramebuffers||(o.cubeFramebuffers={}),a=o.cubeFramebuffers[d]):p&&g===!1?a=this._xrFramebuffer:(o.framebuffers||(o.framebuffers={}),a=o.framebuffers[d]),a===0[0]){a=t.createFramebuffer(),n.bindFramebuffer(t.FRAMEBUFFER,a);const h=e.textures,m=[];if(v){o.cubeFramebuffers[d]=a;const{textureGPU:e}=this.get(h[0]),n=this.renderer._activeCubeFace,s=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_CUBE_MAP_POSITIVE_X+n,e,s)}else{o.framebuffers[d]=a;for(let s=0;s<h.length;s++){const a=h[s],n=this.get(a);n.renderTarget=e.renderTarget,n.cacheKey=d;const o=t.COLOR_ATTACHMENT0+s;if(i.multiview)f.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,o,n.textureGPU,0,r,0,2);else if(j||b){const e=this.renderer._activeCubeFace,s=this.renderer._activeMipmapLevel;t.framebufferTextureLayer(t.FRAMEBUFFER,o,n.textureGPU,s,e)}else if(c)u.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,o,t.TEXTURE_2D,n.textureGPU,0,r);else{const e=this.renderer._activeMipmapLevel;t.framebufferTexture2D(t.FRAMEBUFFER,o,t.TEXTURE_2D,n.textureGPU,e)}}}const s=l?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(i._autoAllocateDepthBuffer===!0){const n=t.createRenderbuffer();this.textureUtils.setupRenderBufferStorage(n,e,0,c),o.xrDepthRenderbuffer=n,m.push(l?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT),t.bindRenderbuffer(t.RENDERBUFFER,n),t.framebufferRenderbuffer(t.FRAMEBUFFER,s,t.RENDERBUFFER,n)}else if(e.depthTexture!==null){m.push(l?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT);const n=this.get(e.depthTexture);if(n.renderTarget=e.renderTarget,n.cacheKey=d,i.multiview)f.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,s,n.textureGPU,0,r,0,2);else if(g&&c)u.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,s,t.TEXTURE_2D,n.textureGPU,0,r);else if(e.depthTexture.isArrayTexture){const e=this.renderer._activeCubeFace;t.framebufferTextureLayer(t.FRAMEBUFFER,s,n.textureGPU,0,e)}else if(e.depthTexture.isCubeTexture){const e=this.renderer._activeCubeFace;t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_CUBE_MAP_POSITIVE_X+e,n.textureGPU,0)}else t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,n.textureGPU,0)}o.depthInvalidationArray=m}else{const s=this._isRenderCameraDepthArray(e);if(s){n.bindFramebuffer(t.FRAMEBUFFER,a);const s=this.renderer._activeCubeFace,o=this.get(e.depthTexture),i=l?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;t.framebufferTextureLayer(t.FRAMEBUFFER,i,o.textureGPU,0,s)}if((p||c||i.multiview)&&i._isOpaqueFramebuffer!==!0){n.bindFramebuffer(t.FRAMEBUFFER,a);const d=this.get(e.textures[0]);i.multiview?f.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,d.textureGPU,0,r,0,2):c?u.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,d.textureGPU,0,r):t.framebufferTexture2D(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,d.textureGPU,0);const s=l?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;if(i._autoAllocateDepthBuffer===!0){const e=o.xrDepthRenderbuffer;t.bindRenderbuffer(t.RENDERBUFFER,e),t.framebufferRenderbuffer(t.FRAMEBUFFER,s,t.RENDERBUFFER,e)}else{const n=this.get(e.depthTexture);i.multiview?f.framebufferTextureMultisampleMultiviewOVR(t.FRAMEBUFFER,s,n.textureGPU,0,r,0,2):c?u.framebufferTexture2DMultisampleEXT(t.FRAMEBUFFER,s,t.TEXTURE_2D,n.textureGPU,0,r):t.framebufferTexture2D(t.FRAMEBUFFER,s,t.TEXTURE_2D,n.textureGPU,0)}}}if(r>0&&c===!1&&!i.multiview){if(h===0[0]){const i=[];h=t.createFramebuffer(),n.bindFramebuffer(t.FRAMEBUFFER,h);const s=[],a=e.textures;for(let n=0;n<a.length;n++){s[n]=t.createRenderbuffer(),t.bindRenderbuffer(t.RENDERBUFFER,s[n]),i.push(t.COLOR_ATTACHMENT0+n);const o=e.textures[n],c=this.get(o);t.renderbufferStorageMultisample(t.RENDERBUFFER,r,c.glInternalFormat,e.width,e.height),t.framebufferRenderbuffer(t.FRAMEBUFFER,t.COLOR_ATTACHMENT0+n,t.RENDERBUFFER,s[n])}if(t.bindRenderbuffer(t.RENDERBUFFER,null),o.msaaFrameBuffer=h,o.msaaRenderbuffers=s,y&&m===0[0]){m=t.createRenderbuffer(),this.textureUtils.setupRenderBufferStorage(m,e,r),o.depthRenderbuffer=m;const n=l?t.DEPTH_STENCIL_ATTACHMENT:t.DEPTH_ATTACHMENT;i.push(n)}o.invalidationArray=i}s=o.msaaFrameBuffer}else s=a;n.drawBuffers(e,a)}n.bindFramebuffer(t.FRAMEBUFFER,s)}_getVaoKey(e){let t="";for(let n=0;n<e.length;n++){const s=this.get(e[n]);t+=":"+s.id}return t}_createVao(e){const{gl:t}=this,n=t.createVertexArray();t.bindVertexArray(n);for(let s=0;s<e.length;s++){const n=e[s],o=this.get(n);t.bindBuffer(t.ARRAY_BUFFER,o.bufferGPU),t.enableVertexAttribArray(s);let i,a;n.isInterleavedBufferAttribute===!0?(i=n.data.stride*o.bytesPerElement,a=n.offset*o.bytesPerElement):(i=0,a=0),o.isInteger?t.vertexAttribIPointer(s,n.itemSize,o.type,i,a):t.vertexAttribPointer(s,n.itemSize,o.type,n.normalized,i,a),n.isInstancedBufferAttribute&&!n.isInterleavedBufferAttribute?t.vertexAttribDivisor(s,n.meshPerAttribute):n.isInterleavedBufferAttribute&&n.data.isInstancedInterleavedBuffer&&t.vertexAttribDivisor(s,n.data.meshPerAttribute)}return t.bindBuffer(t.ARRAY_BUFFER,null),n}_getTransformFeedback(e){let s="";for(let t=0;t<e.length;t++)s+=":"+e[t].id;let n=this.transformFeedbackCache[s];if(n!==0[0])return n;const{gl:t}=this;

213n=t.createTransformFeedback(),t.bindTransformFeedback(t.TRANSFORM_FEEDBACK,n);for(let n=0;n<e.length;n++){const s=e[n];t.bindBufferBase(t.TRANSFORM_FEEDBACK_BUFFER,n,s.transformBuffer)}return t.bindTransformFeedback(t.TRANSFORM_FEEDBACK,null),this.transformFeedbackCache[s]=n,n}_setupBindings(e,t){const n=this.gl;for(const s of e)for(const e of s.bindings){const i=this.get(e),o=i.index;if(e.isUniformsGroup||e.isUniformBuffer){const s=n.getUniformBlockIndex(t,e.name);n.uniformBlockBinding(t,s,o)}else if(e.isSampledTexture){const s=n.getUniformLocation(t,e.name);n.uniform1i(s,o)}}}_bindUniforms(e){const{gl:t,state:n}=this;for(const s of e)for(const e of s.bindings){const o=this.get(e),i=o.index;e.isUniformsGroup||e.isUniformBuffer?n.bindBufferBase(t.UNIFORM_BUFFER,i,o.bufferGPU):e.isSampledTexture&&n.bindTexture(o.glTextureType,o.textureGPU,t.TEXTURE0+i)}}_resolveRenderTarget(e){const{gl:t,state:s}=this,n=e.renderTarget;if(e.textures!==null&&n){const o=this.get(n);if(n.samples>0&&this._useMultisampledExtension(n)===!1){const l=o.framebuffers[e.getCacheKey()];let a=t.COLOR_BUFFER_BIT;n.resolveDepthBuffer&&(n.depthBuffer&&(a|=t.DEPTH_BUFFER_BIT),n.stencilBuffer&&n.resolveStencilBuffer&&(a|=t.STENCIL_BUFFER_BIT));const d=o.msaaFrameBuffer,c=o.msaaRenderbuffers,i=e.textures,r=i.length>1;if(s.bindFramebuffer(t.READ_FRAMEBUFFER,d),s.bindFramebuffer(t.DRAW_FRAMEBUFFER,l),r)for(let e=0;e<i.length;e++)t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,null),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,null,0);for(let n=0;n<i.length;n++){if(r){const{textureGPU:e}=this.get(i[n]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.RENDERBUFFER,c[n]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0,t.TEXTURE_2D,e,0)}if(e.scissor){const{x:n,y:r,width:i,height:o}=e.scissorValue,s=e.height-o-r;t.blitFramebuffer(n,s,n+i,s+o,n,s,n+i,s+o,a,t.NEAREST)}else t.blitFramebuffer(0,0,e.width,e.height,0,0,e.width,e.height,a,t.NEAREST)}if(r)for(let e=0;e<i.length;e++){const{textureGPU:n}=this.get(i[e]);t.framebufferRenderbuffer(t.READ_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.RENDERBUFFER,c[e]),t.framebufferTexture2D(t.DRAW_FRAMEBUFFER,t.COLOR_ATTACHMENT0+e,t.TEXTURE_2D,n,0)}this._supportsInvalidateFramebuffer===!0&&t.invalidateFramebuffer(t.READ_FRAMEBUFFER,o.invalidationArray)}else if(n.resolveDepthBuffer===!1&&o.framebuffers){const n=o.framebuffers[e.getCacheKey()];s.bindFramebuffer(t.DRAW_FRAMEBUFFER,n),t.invalidateFramebuffer(t.DRAW_FRAMEBUFFER,o.depthInvalidationArray)}}}_useMultisampledExtension(e){return e.multiview===!0||e.samples>0&&this.extensions.has("WEBGL_multisampled_render_to_texture")===!0&&e._autoAllocateDepthBuffer!==!1}dispose(){this.textureUtils!==null&&this.textureUtils.dispose();const e=this.extensions.get("WEBGL_lose_context");e&&e.loseContext(),this.renderer.domElement.removeEventListener("webglcontextlost",this._onContextLost)}}GPUPrimitiveTopology={PointList:"point-list",LineList:"line-list",LineStrip:"line-strip",TriangleList:"triangle-list",TriangleStrip:"triangle-strip"},GPUShaderStage=typeof self!="undefined"?self.GPUShaderStage:{VERTEX:1,FRAGMENT:2,COMPUTE:4},GPUCompareFunction={Never:"never",Less:"less",Equal:"equal",LessEqual:"less-equal",Greater:"greater",NotEqual:"not-equal",GreaterEqual:"greater-equal",Always:"always"},GPUStoreOp={Store:"store"},GPULoadOp={Load:"load",Clear:"clear"},GPUFrontFace={CCW:"ccw",CW:"cw"},GPUCullMode={None:"none",Back:"back"},GPUIndexFormat={Uint16:"uint16",Uint32:"uint32"},GPUTextureFormat={R8Unorm:"r8unorm",R8Snorm:"r8snorm",R8Uint:"r8uint",R8Sint:"r8sint",R16Uint:"r16uint",R16Sint:"r16sint",R16Float:"r16float",RG8Unorm:"rg8unorm",RG8Snorm:"rg8snorm",RG8Uint:"rg8uint",RG8Sint:"rg8sint",R32Uint:"r32uint",R32Sint:"r32sint",R32Float:"r32float",RG16Uint:"rg16uint",RG16Sint:"rg16sint",RG16Float:"rg16float",RGBA8Unorm:"rgba8unorm",RGBA8UnormSRGB:"rgba8unorm-srgb",RGBA8Snorm:"rgba8snorm",RGBA8Uint:"rgba8uint",RGBA8Sint:"rgba8sint",BGRA8Unorm:"bgra8unorm",BGRA8UnormSRGB:"bgra8unorm-srgb",RGB9E5UFloat:"rgb9e5ufloat",RGB10A2Unorm:"rgb10a2unorm",RG11B10UFloat:"rg11b10ufloat",RG32Uint:"rg32uint",RG32Sint:"rg32sint",RG32Float:"rg32float",RGBA16Uint:"rgba16uint",RGBA16Sint:"rgba16sint",RGBA16Float:"rgba16float",RGBA32Uint:"rgba32uint",RGBA32Sint:"rgba32sint",RGBA32Float:"rgba32float",Depth16Unorm:"depth16unorm",Depth24Plus:"depth24plus",Depth24PlusStencil8:"depth24plus-stencil8",Depth32Float:"depth32float",Depth32FloatStencil8:"depth32float-stencil8",BC1RGBAUnorm:"bc1-rgba-unorm",BC1RGBAUnormSRGB:"bc1-rgba-unorm-srgb",BC2RGBAUnorm:"bc2-rgba-unorm",BC2RGBAUnormSRGB:"bc2-rgba-unorm-srgb",BC3RGBAUnorm:"bc3-rgba-unorm",BC3RGBAUnormSRGB:"bc3-rgba-unorm-srgb",BC4RUnorm:"bc4-r-unorm",BC4RSnorm:"bc4-r-snorm",BC5RGUnorm:"bc5-rg-unorm",BC5RGSnorm:"bc5-rg-snorm",BC6HRGBUFloat:"bc6h-rgb-ufloat",BC6HRGBFloat:"bc6h-rgb-float",BC7RGBAUnorm:"bc7-rgba-unorm",BC7RGBAUnormSRGB:"bc7-rgba-unorm-srgb",ETC2RGB8Unorm:"etc2-rgb8unorm",ETC2RGB8UnormSRGB:"etc2-rgb8unorm-srgb",ETC2RGB8A1Unorm:"etc2-rgb8a1unorm",ETC2RGB8A1UnormSRGB:"etc2-rgb8a1unorm-srgb",ETC2RGBA8Unorm:"etc2-rgba8unorm",ETC2RGBA8UnormSRGB:"etc2-rgba8unorm-srgb",EACR11Unorm:"eac-r11unorm",EACR11Snorm:"eac-r11snorm",EACRG11Unorm:"eac-rg11unorm",EACRG11Snorm:"eac-rg11snorm",ASTC4x4Unorm:"astc-4x4-unorm",ASTC4x4UnormSRGB:"astc-4x4-unorm-srgb",ASTC5x4Unorm:"astc-5x4-unorm",ASTC5x4UnormSRGB:"astc-5x4-unorm-srgb",ASTC5x5Unorm:"astc-5x5-unorm",ASTC5x5UnormSRGB:"astc-5x5-unorm-srgb",ASTC6x5Unorm:"astc-6x5-unorm",ASTC6x5UnormSRGB:"astc-6x5-unorm-srgb",ASTC6x6Unorm:"astc-6x6-unorm",ASTC6x6UnormSRGB:"astc-6x6-unorm-srgb",ASTC8x5Unorm:"astc-8x5-unorm",ASTC8x5UnormSRGB:"astc-8x5-unorm-srgb",ASTC8x6Unorm:"astc-8x6-unorm",ASTC8x6UnormSRGB:"astc-8x6-unorm-srgb",ASTC8x8Unorm:"astc-8x8-unorm",ASTC8x8UnormSRGB:"astc-8x8-unorm-srgb",ASTC10x5Unorm:"astc-10x5-unorm",ASTC10x5UnormSRGB:"astc-10x5-unorm-srgb",ASTC10x6Unorm:"astc-10x6-unorm",ASTC10x6UnormSRGB:"astc-10x6-unorm-srgb",ASTC10x8Unorm:"astc-10x8-unorm",ASTC10x8UnormSRGB:"astc-10x8-unorm-srgb",ASTC10x10Unorm:"astc-10x10-unorm",ASTC10x10UnormSRGB:"astc-10x10-unorm-srgb",ASTC12x10Unorm:"astc-12x10-unorm",ASTC12x10UnormSRGB:"astc-12x10-unorm-srgb",ASTC12x12Unorm:"astc-12x12-unorm",ASTC12x12UnormSRGB:"astc-12x12-unorm-srgb"},GPUAddressMode={ClampToEdge:"clamp-to-edge",Repeat:"repeat",MirrorRepeat:"mirror-repeat"},GPUFilterMode={Linear:"linear",Nearest:"nearest"},GPUBlendFactor={Zero:"zero",One:"one",Src:"src",OneMinusSrc:"one-minus-src",SrcAlpha:"src-alpha",OneMinusSrcAlpha:"one-minus-src-alpha",Dst:"dst",OneMinusDst:"one-minus-dst",DstAlpha:"dst-alpha",OneMinusDstAlpha:"one-minus-dst-alpha",SrcAlphaSaturated:"src-alpha-saturated",Constant:"constant",OneMinusConstant:"one-minus-constant"},GPUBlendOperation={Add:"add",Subtract:"subtract",ReverseSubtract:"reverse-subtract",Min:"min",Max:"max"},GPUColorWriteFlags={None:0,All:15},GPUStencilOperation={Keep:"keep",Zero:"zero",Replace:"replace",Invert:"invert",IncrementClamp:"increment-clamp",DecrementClamp:"decrement-clamp",IncrementWrap:"increment-wrap",DecrementWrap:"decrement-wrap"},GPUBufferBindingType={Storage:"storage",ReadOnlyStorage:"read-only-storage"},GPUStorageTextureAccess={WriteOnly:"write-only",ReadOnly:"read-only",ReadWrite:"read-write"},GPUSamplerBindingType={NonFiltering:"non-filtering",Comparison:"comparison"},GPUTextureSampleType={Float:"float",UnfilterableFloat:"unfilterable-float",Depth:"depth",SInt:"sint",UInt:"uint"},GPUTextureDimension={TwoD:"2d",ThreeD:"3d"},GPUTextureViewDimension={TwoD:"2d",TwoDArray:"2d-array",Cube:"cube",ThreeD:"3d"},GPUTextureAspect={All:"all"},GPUInputStepMode={Vertex:"vertex",Instance:"instance"},GPUFeatureName={CoreFeaturesAndLimits:"core-features-and-limits",DepthClipControl:"depth-clip-control",Depth32FloatStencil8:"depth32float-stencil8",TextureCompressionBC:"texture-compression-bc",TextureCompressionBCSliced3D:"texture-compression-bc-sliced-3d",TextureCompressionETC2:"texture-compression-etc2",TextureCompressionASTC:"texture-compression-astc",TextureCompressionASTCSliced3D:"texture-compression-astc-sliced-3d",TimestampQuery:"timestamp-query",IndirectFirstInstance:"indirect-first-instance",ShaderF16:"shader-f16",RG11B10UFloat:"rg11b10ufloat-renderable",BGRA8UNormStorage:"bgra8unorm-storage",Float32Filterable:"float32-filterable",Float32Blendable:"float32-blendable",ClipDistances:"clip-distances",DualSourceBlending:"dual-source-blending",Subgroups:"subgroups",TextureFormatsTier1:"texture-formats-tier1",TextureFormatsTier2:"texture-formats-tier2"},GPUFeatureMap={"texture-compression-s3tc":"texture-compression-bc","texture-compression-etc1":"texture-compression-etc2"};class NodeSampler extends Sampler{constructor(e,t,n){super(e,t?t.value:null),this.textureNode=t,this.groupNode=n}update(){const{textureNode:e}=this;return this.texture!==e.value?(this.texture=e.value,!0):super.update(

213)}}class StorageBuffer extends Buffer2{constructor(e,t){super(e,t?t.array:null),this.attribute=t,this.isStorageBuffer=!0}}_id=0;class NodeStorageBuffer extends StorageBuffer{constructor(e,t){super("StorageBuffer_"+_id++,e?e.value:null),this.nodeUniform=e,this.access=e?e.access:NodeAccess.READ_WRITE,this.groupNode=t}get buffer(){return this.nodeUniform.value}}class WebGPUTexturePassUtils extends DataMap{constructor(e){super(),this.device=e;const t=`
214struct VarysStruct {
215	@builtin( position ) Position: vec4<f32>,
216	@location( 0 ) vTex : vec2<f32>
217};
218
219@vertex
220fn main( @builtin( vertex_index ) vertexIndex : u32 ) -> VarysStruct {
221
222	var Varys : VarysStruct;
223
224	var pos = array< vec2<f32>, 4 >(
225		vec2<f32>( -1.0,  1.0 ),
226		vec2<f32>(  1.0,  1.0 ),
227		vec2<f32>( -1.0, -1.0 ),
228		vec2<f32>(  1.0, -1.0 )
229	);
230
231	var tex = array< vec2<f32>, 4 >(
232		vec2<f32>( 0.0, 0.0 ),
233		vec2<f32>( 1.0, 0.0 ),
234		vec2<f32>( 0.0, 1.0 ),
235		vec2<f32>( 1.0, 1.0 )
236	);
237
238	Varys.vTex = tex[ vertexIndex ];
239	Varys.Position = vec4<f32>( pos[ vertexIndex ], 0.0, 1.0 );
240
241	return Varys;
242
243}
244`,n=`
245@group( 0 ) @binding( 0 )
246var imgSampler : sampler;
247
248@group( 0 ) @binding( 1 )
249var img : texture_2d<f32>;
250
251@fragment
252fn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {
253
254	return textureSample( img, imgSampler, vTex );
255
256}
257`,s=`
258@group( 0 ) @binding( 0 )
259var imgSampler : sampler;
260
261@group( 0 ) @binding( 1 )
262var img : texture_2d<f32>;
263
264@fragment
265fn main( @location( 0 ) vTex : vec2<f32> ) -> @location( 0 ) vec4<f32> {
266
267	return textureSample( img, imgSampler, vec2( vTex.x, 1.0 - vTex.y ) );
268
269}
270`;this.mipmapSampler=e.createSampler({minFilter:GPUFilterMode.Linear}),this.flipYSampler=e.createSampler({minFilter:GPUFilterMode.Nearest}),this.transferPipelines={},this.flipYPipelines={},this.mipmapVertexShaderModule=e.createShaderModule({label:"mipmapVertex",code:t}),this.mipmapFragmentShaderModule=e.createShaderModule({label:"mipmapFragment",code:n}),this.flipYFragmentShaderModule=e.createShaderModule({label:"flipYFragment",code:s})}getTransferPipeline(e){let t=this.transferPipelines[e];return t===0[0]&&(t=this.device.createRenderPipeline({label:`mipmap-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.mipmapFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:GPUPrimitiveTopology.TriangleStrip,stripIndexFormat:GPUIndexFormat.Uint32},layout:"auto"}),this.transferPipelines[e]=t),t}getFlipYPipeline(e){let t=this.flipYPipelines[e];return t===0[0]&&(t=this.device.createRenderPipeline({label:`flipY-${e}`,vertex:{module:this.mipmapVertexShaderModule,entryPoint:"main"},fragment:{module:this.flipYFragmentShaderModule,entryPoint:"main",targets:[{format:e}]},primitive:{topology:GPUPrimitiveTopology.TriangleStrip,stripIndexFormat:GPUIndexFormat.Uint32},layout:"auto"}),this.flipYPipelines[e]=t),t}flipY(e,t,n=0){const s=t.format,{width:l,height:d}=t.size,u=this.getTransferPipeline(s),h=this.getFlipYPipeline(s),o=this.device.createTexture({size:{width:l,height:d,depthOrArrayLayers:1},format:s,usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.TEXTURE_BINDING}),i=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:GPUTextureViewDimension.TwoD,baseArrayLayer:n}),a=o.createView({baseMipLevel:0,mipLevelCount:1,dimension:GPUTextureViewDimension.TwoD,baseArrayLayer:0}),r=this.device.createCommandEncoder({}),c=(e,t,n)=>{const o=e.getBindGroupLayout(0),i=this.device.createBindGroup({layout:o,entries:[{binding:0,resource:this.flipYSampler},{binding:1,resource:t}]}),s=r.beginRenderPass({colorAttachments:[{view:n,loadOp:GPULoadOp.Clear,storeOp:GPUStoreOp.Store,clearValue:[0,0,0,0]}]});s.setPipeline(e),s.setBindGroup(0,i),s.draw(4,1,0,0),s.end()};c(u,i,a),c(h,a,i),this.device.queue.submit([r.finish()]),o.destroy()}generateMipmaps(e,t,n=0,s=null){const o=this.get(e);o.layers===0[0]&&(o.layers=[]);const i=o.layers[n]||this._mipmapCreateBundles(e,t,n),a=s||this.device.createCommandEncoder({label:"mipmapEncoder"});this._mipmapRunBundles(a,i),s===null&&this.device.queue.submit([a.finish()]),o.layers[n]=i}

270_mipmapCreateBundles(e,t,n){const s=this.getTransferPipeline(t.format),a=s.getBindGroupLayout(0);let o=e.createView({baseMipLevel:0,mipLevelCount:1,dimension:GPUTextureViewDimension.TwoD,baseArrayLayer:n});const i=[];for(let c=1;c<t.mipLevelCount;c++){const d=this.device.createBindGroup({layout:a,entries:[{binding:0,resource:this.mipmapSampler},{binding:1,resource:o}]}),l=e.createView({baseMipLevel:c,mipLevelCount:1,dimension:GPUTextureViewDimension.TwoD,baseArrayLayer:n}),u={colorAttachments:[{view:l,loadOp:GPULoadOp.Clear,storeOp:GPUStoreOp.Store,clearValue:[0,0,0,0]}]},r=this.device.createRenderBundleEncoder({colorFormats:[t.format]});r.setPipeline(s),r.setBindGroup(0,d),r.draw(4,1,0,0),i.push({renderBundles:[r.finish()],passDescriptor:u}),o=l}return i}_mipmapRunBundles(e,t){const n=t.length;for(let s=0;s<n;s++){const o=t[s],i=e.beginRenderPass(o.passDescriptor);i.executeBundles(o.renderBundles),i.end()}}}_compareToWebGPU={[NeverCompare]:"never",[LessCompare]:"less",[EqualCompare]:"equal",[LessEqualCompare]:"less-equal",[GreaterCompare]:"greater",[GreaterEqualCompare]:"greater-equal",[AlwaysCompare]:"always",[NotEqualCompare]:"not-equal"},_flipMap=[0,1,3,2,4,5];class WebGPUTextureUtils{constructor(e){this.backend=e,this._passUtils=null,this.defaultTexture={},this.defaultCubeTexture={},this.defaultVideoFrame=null,this._samplerCache=new Map}updateSampler(e){const o=this.backend,s=e.minFilter+"-"+e.magFilter+"-"+e.wrapS+"-"+e.wrapT+"-"+(e.wrapR||"0")+"-"+e.anisotropy+"-"+(e.compareFunction||0);let t=this._samplerCache.get(s);if(t===0[0]){const n={addressModeU:this._convertAddressMode(e.wrapS),addressModeV:this._convertAddressMode(e.wrapT),addressModeW:this._convertAddressMode(e.wrapR),magFilter:this._convertFilterMode(e.magFilter),minFilter:this._convertFilterMode(e.minFilter),mipmapFilter:this._convertFilterMode(e.minFilter),maxAnisotropy:1};n.magFilter===GPUFilterMode.Linear&&n.minFilter===GPUFilterMode.Linear&&n.mipmapFilter===GPUFilterMode.Linear&&(n.maxAnisotropy=e.anisotropy),e.isDepthTexture&&e.compareFunction!==null&&(n.compare=_compareToWebGPU[e.compareFunction]);const i=o.device.createSampler(n);t={sampler:i,usedTimes:0},this._samplerCache.set(s,t)}const n=o.get(e);if(n.sampler!==t.sampler){if(n.sampler!==0[0]){const e=this._samplerCache.get(n.samplerKey);e.usedTimes--,e.usedTimes===0&&this._samplerCache.delete(n.samplerKey)}n.samplerKey=s,n.sampler=t.sampler,t.usedTimes++}

270return s}createDefaultTexture(e){let t;const n=getFormat(e);e.isCubeTexture?t=this._getDefaultCubeTextureGPU(n):t=this._getDefaultTextureGPU(n),this.backend.get(e).texture=t}createTexture(e,t={}){const s=this.backend,n=s.get(e);if(n.initialized)throw new Error("WebGPUTextureUtils: Texture already initialized.");if(e.isExternalTexture){n.texture=e.sourceTexture,n.initialized=!0;return}t.needsMipmaps===0[0]&&(t.needsMipmaps=!1),t.levels===0[0]&&(t.levels=1),t.depth===0[0]&&(t.depth=1);const{width:f,height:m,depth:l,levels:c}=t;e.isFramebufferTexture&&(t.renderTarget?t.format=this.backend.utils.getCurrentColorFormat(t.renderTarget):t.format=this.backend.utils.getPreferredCanvasFormat());const r=this._getDimension(e),i=e.internalFormat||t.format||getFormat(e,s.device);n.format=i;const{samples:d,primarySamples:u,isMSAA:h}=s.utils.getTextureSampleData(e);let a=GPUTextureUsage.TEXTURE_BINDING|GPUTextureUsage.COPY_DST|GPUTextureUsage.COPY_SRC;e.isStorageTexture===!0&&(a|=GPUTextureUsage.STORAGE_BINDING),e.isCompressedTexture!==!0&&e.isCompressedArrayTexture!==!0&&i!==GPUTextureFormat.RGB9E5UFloat&&(a|=GPUTextureUsage.RENDER_ATTACHMENT);const o={label:e.name,size:{width:f,height:m,depthOrArrayLayers:l},mipLevelCount:c,sampleCount:u,dimension:r,format:i,usage:a};if(i===0[0]){warn("WebGPURenderer: Texture format not supported."),this.createDefaultTexture(e);return}if(e.isCubeTexture&&(o.textureBindingViewDimension=GPUTextureViewDimension.Cube),n.texture=s.device.createTexture(o),h){const e=Object.assign({},o);e.label=e.label+"-msaa",e.sampleCount=d,e.mipLevelCount=1,n.msaaTexture=s.device.createTexture(e)}n.initialized=!0,n.textureDescriptorGPU=o}destroyTexture(e,t=!1){const s=this.backend,n=s.get(e);n.texture!==0[0]&&t===!1&&n.texture.destroy(),n.msaaTexture!==0[0]&&n.msaaTexture.destroy(),s.delete(e)}generateMipmaps(e,t=null){const n=this.backend.get(e);if(e.isCubeTexture)for(let e=0;e<6;e++)this._generateMipmaps(n.texture,n.textureDescriptorGPU,e,t);else{const s=e.image.depth||1;for(let e=0;e<s;e++)this._generateMipmaps(n.texture,n.textureDescriptorGPU,e,t)}}getColorBuffer(){const e=this.backend,r=e.renderer.getCanvasTarget(),{width:s,height:o}=e.getDrawingBufferSize(),a=e.renderer.currentSamples,t=r.colorTexture,i=e.get(t);if(t.width===s&&t.height===o&&t.samples===a)return i.texture;let n=i.texture;return n&&n.destroy(),n=e.device.createTexture({label:"colorBuffer",size:{width:s,height:o,depthOrArrayLayers:1},sampleCount:e.utils.getSampleCount(e.renderer.currentSamples),format:e.utils.getPreferredCanvasFormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC}),t.source.width=s,t.source.height=o,t.samples=a,i.texture=n,n}getDepthBuffer(e=!0,t=!1){const s=this.backend,d=s.renderer.getCanvasTarget(),{width:o,height:i}=s.getDrawingBufferSize(),c=s.renderer.currentSamples,n=d.depthTexture;if(n.width===o&&n.height===i&&n.samples===c&&n.depth===e&&n.stencil===t)return s.get(n).texture;const l=s.get(n).texture;let a,r;if(t?(a=DepthStencilFormat,r=UnsignedInt248Type):e&&(a=DepthFormat,r=UnsignedIntType),l!==0[0]){if(n.image.width===o&&n.image.height===i&&n.format===a&&n.type===r&&n.samples===c)return l;this.destroyTexture(n)}return n.name="depthBuffer",n.format=a,n.type=r,n.image.width=o,n.image.height=i,n.samples=c,this.createTexture(n,{width:o,height:i}),s.get(n).texture}updateTexture(e,t){const n=this.backend.get(e),o=e.mipmaps,{textureDescriptorGPU:s}=n;if(e.isRenderTargetTexture||s===0[0])return;if(e.isDataTexture)if(o.length>0)for(let t=0,i=o.length;t<i;t++){const a=o[t];this._copyBufferToTexture(a,n.texture,s,0,e.flipY,0,t)}else this._copyBufferToTexture(t.image,n.texture,s,0,e.flipY);else if(e.isArrayTexture||e.isDataArrayTexture||e.isData3DTexture)for(let o=0;o<t.image.depth;o++)this._copyBufferToTexture(t.image,n.texture,s,o,e.flipY,o);else if(e.isCompressedTexture||e.isCompressedArrayTexture)this._copyCompressedBufferToTexture(e.mipmaps,n.texture,s);else if(e.isCubeTexture)this._copyCubeMapToTexture(e,n.texture,s);else if(o.length>0)for(let t=0,i=o.length;t<i;t++){const a=o[t];this._copyImageToTexture(a,n.texture,s,0,e.flipY,e.premultiplyAlpha,t)}else this._copyImageToTexture(t.image,n.texture,s,0,e.flipY,e.premultiplyAlpha);n.version=e.version}async copyTextureToBuffer(e,t,n,s,o,i){const r=this.backend.device,l=this.backend.get(e),m=l.texture,d=l.textureDescriptorGPU.format,u=this._getBytesPerTexel(d);let a=s*u;a=Math.ceil(a/256)*256;const c=r.createBuffer({size:(o-1)*a+s*u,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),h=r.createCommandEncoder();h.copyTextureToBuffer({texture:m,origin:{x:t,y:n,z:i}},{buffer:c,bytesPerRow:a},{width:s,height:o});const f=this._getTypedArrayType(d);r.queue.submit([h.finish()]),await c.mapAsync(GPUMapMode.READ);const p=c.getMappedRange();return new f(p)}dispose(){this._samplerCache.clear()}_getDefaultTextureGPU(e){let t=this.defaultTexture[e];if(t===0[0]){const n=new Texture;n.minFilter=NearestFilter,n.magFilter=NearestFilter,this.createTexture(n,{width:1,height:1,format:e}),this.defaultTexture[e]=t=n}return this.backend.get(t).texture}_getDefaultCubeTextureGPU(e){let t=this.defaultCubeTexture[e];if(t===0[0]){const n=new CubeTexture;n.minFilter=NearestFilter,n.magFilter=NearestFilter,this.createTexture(n,{width:1,height:1,depth:6}),this.defaultCubeTexture[e]=t=n}return this.backend.get(t).texture}_copyCubeMapToTexture(e,t,n){const o=e.images,s=e.mipmaps;for(let i=0;i<6;i++){const r=o[i],a=e.flipY===!0?_flipMap[i]:i;r.isDataTexture?this._copyBufferToTexture(r.image,t,n,a,e.flipY):this._copyImageToTexture(r,t,n,a,e.flipY,e.premultiplyAlpha);for(let o=0;o<s.length;o++){const c=s[o],r=c.images[i];r.isDataTexture?this._copyBufferToTexture(r.image,t,n,a,e.flipY,0,o+1):this._copyImageToTexture(r,t,n,a,e.flipY,e.premultiplyAlpha,o+1)}}}_copyImageToTexture(e,t,n,s,o,i,a=0){const r=this.backend.device,c=a>0?e.width:n.size.width,l=a>0?e.height:n.size.height;try{r.queue.copyExternalImageToTexture({source:e,flipY:o},{texture:t,mipLevel:a,origin:{x:0,y:0,z:s},premultipliedAlpha:i},{width:c,height:l,depthOrArrayLayers:1})}catch{}}_getPassUtils(){let e=this._passUtils;return e===null&&(this._passUtils=e=new WebGPUTexturePassUtils(this.backend.device)),e}_generateMipmaps(e,t,n=0,s=null){this._getPassUtils().generateMipmaps(e,t,n,s)}_flipY(e,t,n=0){this._getPassUtils().flipY(e,t,n)}_copyBufferToTexture(e,t,n,s,o,i=0,a=0){const c=this.backend.device,l=e.data,r=this._getBytesPerTexel(n.format),d=e.width*r;c.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:s}},l,{offset:e.width*e.height*r*i,bytesPerRow:d},{width:e.width,height:e.height,depthOrArrayLayers:1}),o===!0&&this._flipY(t,n,s)}_copyCompressedBufferToTexture(e,t,n){const o=this.backend.device,s=this._getBlockData(n.format),i=n.size.depthOrArrayLayers>1;for(let a=0;a<e.length;a++){const r=e[a],l=r.width,c=r.height,u=i?n.size.depthOrArrayLayers:1,d=Math.ceil(l/s.width)*s.byteLength,h=d*Math.ceil(c/s.height);for(let e=0;e<u;e++)o.queue.writeTexture({texture:t,mipLevel:a,origin:{x:0,y:0,z:e}},r.data,{offset:e*h,bytesPerRow:d,rowsPerImage:Math.ceil(c/s.height)},{width:Math.ceil(l/s.width)*s.width,height:Math.ceil(c/s.height)*s.height,depthOrArrayLayers:1})}}_getBlockData(e){if(e===GPUTextureFormat.BC1RGBAUnorm||e===GPUTextureFormat.BC1RGBAUnormSRGB)return{byteLength:8,width:4,height:4};if(e===GPUTextureFormat.BC2RGBAUnorm||e===GPUTextureFormat.BC2RGBAUnormSRGB)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.BC3RGBAUnorm||e===GPUTextureFormat.BC3RGBAUnormSRGB)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.BC4RUnorm||e===GPUTextureFormat.BC4RSnorm)return{byteLength:8,width:4,height:4};

270if(e===GPUTextureFormat.BC5RGUnorm||e===GPUTextureFormat.BC5RGSnorm)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.BC6HRGBUFloat||e===GPUTextureFormat.BC6HRGBFloat)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.BC7RGBAUnorm||e===GPUTextureFormat.BC7RGBAUnormSRGB)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.ETC2RGB8Unorm||e===GPUTextureFormat.ETC2RGB8UnormSRGB)return{byteLength:8,width:4,height:4};if(e===GPUTextureFormat.ETC2RGB8A1Unorm||e===GPUTextureFormat.ETC2RGB8A1UnormSRGB)return{byteLength:8,width:4,height:4};if(e===GPUTextureFormat.ETC2RGBA8Unorm||e===GPUTextureFormat.ETC2RGBA8UnormSRGB)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.EACR11Unorm)return{byteLength:8,width:4,height:4};if(e===GPUTextureFormat.EACR11Snorm)return{byteLength:8,width:4,height:4};if(e===GPUTextureFormat.EACRG11Unorm)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.EACRG11Snorm)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.ASTC4x4Unorm||e===GPUTextureFormat.ASTC4x4UnormSRGB)return{byteLength:16,width:4,height:4};if(e===GPUTextureFormat.ASTC5x4Unorm||e===GPUTextureFormat.ASTC5x4UnormSRGB)return{byteLength:16,width:5,height:4};if(e===GPUTextureFormat.ASTC5x5Unorm||e===GPUTextureFormat.ASTC5x5UnormSRGB)return{byteLength:16,width:5,height:5};if(e===GPUTextureFormat.ASTC6x5Unorm||e===GPUTextureFormat.ASTC6x5UnormSRGB)return{byteLength:16,width:6,height:5};if(e===GPUTextureFormat.ASTC6x6Unorm||e===GPUTextureFormat.ASTC6x6UnormSRGB)return{byteLength:16,width:6,height:6};if(e===GPUTextureFormat.ASTC8x5Unorm||e===GPUTextureFormat.ASTC8x5UnormSRGB)return{byteLength:16,width:8,height:5};if(e===GPUTextureFormat.ASTC8x6Unorm||e===GPUTextureFormat.ASTC8x6UnormSRGB)return{byteLength:16,width:8,height:6};if(e===GPUTextureFormat.ASTC8x8Unorm||e===GPUTextureFormat.ASTC8x8UnormSRGB)return{byteLength:16,width:8,height:8};if(e===GPUTextureFormat.ASTC10x5Unorm||e===GPUTextureFormat.ASTC10x5UnormSRGB)return{byteLength:16,width:10,height:5};if(e===GPUTextureFormat.ASTC10x6Unorm||e===GPUTextureFormat.ASTC10x6UnormSRGB)return{byteLength:16,width:10,height:6};if(e===GPUTextureFormat.ASTC10x8Unorm||e===GPUTextureFormat.ASTC10x8UnormSRGB)return{byteLength:16,width:10,height:8};if(e===GPUTextureFormat.ASTC10x10Unorm||e===GPUTextureFormat.ASTC10x10UnormSRGB)return{byteLength:16,width:10,height:10};if(e===GPUTextureFormat.ASTC12x10Unorm||e===GPUTextureFormat.ASTC12x10UnormSRGB)return{byteLength:16,width:12,height:10};if(e===GPUTextureFormat.ASTC12x12Unorm||e===GPUTextureFormat.ASTC12x12UnormSRGB)return{byteLength:16,width:12,height:12}}_convertAddressMode(e){let t=GPUAddressMode.ClampToEdge;return e===RepeatWrapping?t=GPUAddressMode.Repeat:e===MirroredRepeatWrapping&&(t=GPUAddressMode.MirrorRepeat),t}_convertFilterMode(e){let t=GPUFilterMode.Linear;return(e===NearestFilter||e===NearestMipmapNearestFilter||e===NearestMipmapLinearFilter)&&(t=GPUFilterMode.Nearest),t}_getBytesPerTexel(e){if(e===GPUTextureFormat.R8Unorm||e===GPUTextureFormat.R8Snorm||e===GPUTextureFormat.R8Uint||e===GPUTextureFormat.R8Sint)return 1;if(e===GPUTextureFormat.R16Uint||e===GPUTextureFormat.R16Sint||e===GPUTextureFormat.R16Float||e===GPUTextureFormat.RG8Unorm||e===GPUTextureFormat.RG8Snorm||e===GPUTextureFormat.RG8Uint||e===GPUTextureFormat.RG8Sint)return 2;if(e===GPUTextureFormat.R32Uint||e===GPUTextureFormat.R32Sint||e===GPUTextureFormat.R32Float||e===GPUTextureFormat.RG16Uint||e===GPUTextureFormat.RG16Sint||e===GPUTextureFormat.RG16Float||e===GPUTextureFormat.RGBA8Unorm||e===GPUTextureFormat.RGBA8UnormSRGB||e===GPUTextureFormat.RGBA8Snorm||e===GPUTextureFormat.RGBA8Uint||e===GPUTextureFormat.RGBA8Sint||e===GPUTextureFormat.BGRA8Unorm||e===GPUTextureFormat.BGRA8UnormSRGB||e===GPUTextureFormat.RGB9E5UFloat||e===GPUTextureFormat.RGB10A2Unorm||e===GPUTextureFormat.RG11B10UFloat||e===GPUTextureFormat.Depth32Float||e===GPUTextureFormat.Depth24Plus||e===GPUTextureFormat.Depth24PlusStencil8||e===GPUTextureFormat.Depth32FloatStencil8)return 4;if(e===GPUTextureFormat.RG32Uint||e===GPUTextureFormat.RG32Sint||e===GPUTextureFormat.RG32Float||e===GPUTextureFormat.RGBA16Uint||e===GPUTextureFormat.RGBA16Sint||e===GPUTextureFormat.RGBA16Float)return 8;if(e===GPUTextureFormat.RGBA32Uint||e===GPUTextureFormat.RGBA32Sint||e===GPUTextureFormat.RGBA32Float)return 16}_getTypedArrayType(e){if(e===GPUTextureFormat.R8Uint)return Uint8Array;

270if(e===GPUTextureFormat.R8Sint)return Int8Array;if(e===GPUTextureFormat.R8Unorm)return Uint8Array;if(e===GPUTextureFormat.R8Snorm)return Int8Array;if(e===GPUTextureFormat.RG8Uint)return Uint8Array;if(e===GPUTextureFormat.RG8Sint)return Int8Array;if(e===GPUTextureFormat.RG8Unorm)return Uint8Array;if(e===GPUTextureFormat.RG8Snorm)return Int8Array;if(e===GPUTextureFormat.RGBA8Uint)return Uint8Array;if(e===GPUTextureFormat.RGBA8Sint)return Int8Array;if(e===GPUTextureFormat.RGBA8Unorm||e===GPUTextureFormat.RGBA8UnormSRGB)return Uint8Array;if(e===GPUTextureFormat.RGBA8Snorm)return Int8Array;if(e===GPUTextureFormat.R16Uint)return Uint16Array;if(e===GPUTextureFormat.R16Sint)return Int16Array;if(e===GPUTextureFormat.RG16Uint)return Uint16Array;if(e===GPUTextureFormat.RG16Sint)return Int16Array;if(e===GPUTextureFormat.RGBA16Uint)return Uint16Array;if(e===GPUTextureFormat.RGBA16Sint)return Int16Array;if(e===GPUTextureFormat.R16Float)return Uint16Array;if(e===GPUTextureFormat.RG16Float)return Uint16Array;if(e===GPUTextureFormat.RGBA16Float)return Uint16Array;if(e===GPUTextureFormat.R32Uint)return Uint32Array;if(e===GPUTextureFormat.R32Sint)return Int32Array;if(e===GPUTextureFormat.R32Float)return Float32Array;if(e===GPUTextureFormat.RG32Uint)return Uint32Array;if(e===GPUTextureFormat.RG32Sint)return Int32Array;if(e===GPUTextureFormat.RG32Float)return Float32Array;if(e===GPUTextureFormat.RGBA32Uint)return Uint32Array;if(e===GPUTextureFormat.RGBA32Sint)return Int32Array;if(e===GPUTextureFormat.RGBA32Float)return Float32Array;if(e===GPUTextureFormat.BGRA8Unorm||e===GPUTextureFormat.BGRA8UnormSRGB)return Uint8Array;

270if(e===GPUTextureFormat.RGB10A2Unorm)return Uint32Array;if(e===GPUTextureFormat.RGB9E5UFloat)return Uint32Array;if(e===GPUTextureFormat.RG11B10UFloat)return Uint32Array;if(e===GPUTextureFormat.Depth32Float)return Float32Array;if(e===GPUTextureFormat.Depth24Plus)return Uint32Array;if(e===GPUTextureFormat.Depth24PlusStencil8)return Uint32Array;if(e===GPUTextureFormat.Depth32FloatStencil8)return Float32Array}_getDimension(e){let t;return e.is3DTexture||e.isData3DTexture?t=GPUTextureDimension.ThreeD:t=GPUTextureDimension.TwoD,t}}function getFormat(e,t=null){const i=e.format,o=e.type,a=e.colorSpace,s=ColorManagement.getTransfer(a);let n;if(e.isCompressedTexture===!0||e.isCompressedArrayTexture===!0)switch(i){case RGB_S3TC_DXT1_Format:case RGBA_S3TC_DXT1_Format:n=s===SRGBTransfer?GPUTextureFormat.BC1RGBAUnormSRGB:GPUTextureFormat.BC1RGBAUnorm;break;case RGBA_S3TC_DXT3_Format:n=s===SRGBTransfer?GPUTextureFormat.BC2RGBAUnormSRGB:GPUTextureFormat.BC2RGBAUnorm;break;case RGBA_S3TC_DXT5_Format:n=s===SRGBTransfer?GPUTextureFormat.BC3RGBAUnormSRGB:GPUTextureFormat.BC3RGBAUnorm;break;case RED_RGTC1_Format:n=GPUTextureFormat.BC4RUnorm;break;case SIGNED_RED_RGTC1_Format:n=GPUTextureFormat.BC4RSnorm;break;case RED_GREEN_RGTC2_Format:n=GPUTextureFormat.BC5RGUnorm;break;case SIGNED_RED_GREEN_RGTC2_Format:n=GPUTextureFormat.BC5RGSnorm;break;case RGBA_BPTC_Format:n=s===SRGBTransfer?GPUTextureFormat.BC7RGBAUnormSRGB:GPUTextureFormat.BC7RGBAUnorm;break;case RGB_ETC2_Format:case RGB_ETC1_Format:n=s===SRGBTransfer?GPUTextureFormat.ETC2RGB8UnormSRGB:GPUTextureFormat.ETC2RGB8Unorm;break;case RGBA_ETC2_EAC_Format:n=s===SRGBTransfer?GPUTextureFormat.ETC2RGBA8UnormSRGB:GPUTextureFormat.ETC2RGBA8Unorm;break;case R11_EAC_Format:n=GPUTextureFormat.EACR11Unorm;break;case SIGNED_R11_EAC_Format:n=GPUTextureFormat.EACR11Snorm;break;case RG11_EAC_Format:n=GPUTextureFormat.EACRG11Unorm;break;case SIGNED_RG11_EAC_Format:n=GPUTextureFormat.EACRG11Snorm;break;case RGBA_ASTC_4x4_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC4x4UnormSRGB:GPUTextureFormat.ASTC4x4Unorm;break;case RGBA_ASTC_5x4_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC5x4UnormSRGB:GPUTextureFormat.ASTC5x4Unorm;break;case RGBA_ASTC_5x5_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC5x5UnormSRGB:GPUTextureFormat.ASTC5x5Unorm;break;case RGBA_ASTC_6x5_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC6x5UnormSRGB:GPUTextureFormat.ASTC6x5Unorm;break;case RGBA_ASTC_6x6_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC6x6UnormSRGB:GPUTextureFormat.ASTC6x6Unorm;break;case RGBA_ASTC_8x5_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC8x5UnormSRGB:GPUTextureFormat.ASTC8x5Unorm;break;case RGBA_ASTC_8x6_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC8x6UnormSRGB:GPUTextureFormat.ASTC8x6Unorm;break;case RGBA_ASTC_8x8_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC8x8UnormSRGB:GPUTextureFormat.ASTC8x8Unorm;break;case RGBA_ASTC_10x5_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC10x5UnormSRGB:GPUTextureFormat.ASTC10x5Unorm;break;case RGBA_ASTC_10x6_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC10x6UnormSRGB:GPUTextureFormat.ASTC10x6Unorm;break;case RGBA_ASTC_10x8_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC10x8UnormSRGB:GPUTextureFormat.ASTC10x8Unorm;break;case RGBA_ASTC_10x10_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC10x10UnormSRGB:GPUTextureFormat.ASTC10x10Unorm;break;case RGBA_ASTC_12x10_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC12x10UnormSRGB:GPUTextureFormat.ASTC12x10Unorm;break;case RGBA_ASTC_12x12_Format:n=s===SRGBTransfer?GPUTextureFormat.ASTC12x12UnormSRGB:GPUTextureFormat.ASTC12x12Unorm;break;case RGBAFormat:n=s===SRGBTransfer?GPUTextureFormat.RGBA8UnormSRGB:GPUTextureFormat.RGBA8Unorm;break;default:error("WebGPURenderer: Unsupported texture format.",i)}else switch(i){case RGBAFormat:switch(o){case ByteType:n=GPUTextureFormat.RGBA8Snorm;break;case ShortType:n=GPUTextureFormat.RGBA16Sint;break;case UnsignedShortType:n=GPUTextureFormat.RGBA16Uint;break;case UnsignedIntType:n=GPUTextureFormat.RGBA32Uint;break;case IntType:n=GPUTextureFormat.RGBA32Sint;break;case UnsignedByteType:n=s===SRGBTransfer?GPUTextureFormat.RGBA8UnormSRGB:GPUTextureFormat.RGBA8Unorm;break;case HalfFloatType:n=GPUTextureFormat.RGBA16Float;break;case FloatType:n=GPUTextureFormat.RGBA32Float;break;default:error("WebGPURenderer: Unsupported texture type with RGBAFormat.",o)}break;case RGBFormat:switch(o){case UnsignedInt5999Type:n=GPUTextureFormat.RGB9E5UFloat;break;case UnsignedInt101111Type:n=GPUTextureFormat.RG11B10UFloat;break;default:error("WebGPURenderer: Unsupported texture type with RGBFormat.",o)}break;case RedFormat:switch(o){case ByteType:n=GPUTextureFormat.R8Snorm;break;case ShortType:n=GPUTextureFormat.R16Sint;break;case UnsignedShortType:n=GPUTextureFormat.R16Uint;break;case UnsignedIntType:n=GPUTextureFormat.R32Uint;break;case IntType:n=GPUTextureFormat.R32Sint;break;case UnsignedByteType:n=GPUTextureFormat.R8Unorm;break;case HalfFloatType:n=GPUTextureFormat.R16Float;break;case FloatType:n=GPUTextureFormat.R32Float;break;default:error("WebGPURenderer: Unsupported texture type with RedFormat.",o)}break;case RGFormat:switch(o){case ByteType:n=GPUTextureFormat.RG8Snorm;break;case ShortType:n=GPUTextureFormat.RG16Sint;break;case UnsignedShortType:n=GPUTextureFormat.RG16Uint;break;case UnsignedIntType:n=GPUTextureFormat.RG32Uint;break;case IntType:n=GPUTextureFormat.RG32Sint;break;case UnsignedByteType:n=GPUTextureFormat.RG8Unorm;break;case HalfFloatType:n=GPUTextureFormat.RG16Float;break;case FloatType:n=GPUTextureFormat.RG32Float;break;default:error("WebGPURenderer: Unsupported texture type with RGFormat.",o)}break;case DepthFormat:switch(o){case UnsignedShortType:n=GPUTextureFormat.Depth16Unorm;break;case UnsignedIntType:n=GPUTextureFormat.Depth24Plus;break;case FloatType:n=GPUTextureFormat.Depth32Float;break;default:error("WebGPURenderer: Unsupported texture type with DepthFormat.",o)}break;case DepthStencilFormat:switch(o){case UnsignedInt248Type:n=GPUTextureFormat.Depth24PlusStencil8;break;case FloatType:t&&t.features.has(GPUFeatureName.Depth32FloatStencil8)===!1&&error('WebGPURenderer: Depth textures with DepthStencilFormat + FloatType can only be used with the "depth32float-stencil8" GPU feature.'),n=GPUTextureFormat.Depth32FloatStencil8;break;default:error("WebGPURenderer: Unsupported texture type with DepthStencilFormat.",o)}break;case RedIntegerFormat:switch(o){case IntType:n=GPUTextureFormat.R32Sint;break;case UnsignedIntType:n=GPUTextureFormat.R32Uint;break;default:error("WebGPURenderer: Unsupported texture type with RedIntegerFormat.",o)}break;case RGIntegerFormat:switch(o){case IntType:n=GPUTextureFormat.RG32Sint;break;case UnsignedIntType:n=GPUTextureFormat.RG32Uint;break;default:error("WebGPURenderer: Unsupported texture type with RGIntegerFormat.",o)}break;case RGBAIntegerFormat:switch(o){case IntType:n=GPUTextureFormat.RGBA32Sint;break;case UnsignedIntType:n=GPUTextureFormat.RGBA32Uint;break;default:error("WebGPURenderer: Unsupported texture type with RGBAIntegerFormat.",o)}break;default:error("WebGPURenderer: Unsupported texture format.",i)}return n}declarationRegexp=/^[fn]*\s*([a-z_0-9]+)?\s*\(([\s\S]*?)\)\s*[->]*\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/i,propertiesRegexp=/([a-z_0-9]+)\s*:\s*([a-z_0-9]+(?:<[\s\S]+?>)?)/ig,wgslTypeLib$1={f32:"float",i32:"int",u32:"uint",bool:"bool","vec2<f32>":"vec2","vec2<i32>":"ivec2","vec2<u32>":"uvec2","vec2<bool>":"bvec2",vec2f:"vec2",vec2i:"ivec2",vec2u:"uvec2",vec2b:"bvec2","vec3<f32>":"vec3","vec3<i32>":"ivec3","vec3<u32>":"uvec3","vec3<bool>":"bvec3",vec3f:"vec3",vec3i:"ivec3",vec3u:"uvec3",vec3b:"bvec3","vec4<f32>":"vec4","vec4<i32>":"ivec4","vec4<u32>":"uvec4","vec4<bool>":"bvec4",vec4f:"vec4",vec4i:"ivec4",vec4u:"uvec4",vec4b:"bvec4","mat2x2<f32>":"mat2",mat2x2f:"mat2","mat3x3<f32>":"mat3",mat3x3f:"mat3","mat4x4<f32>

270":"mat4",mat4x4f:"mat4",sampler:"sampler",texture_1d:"texture",texture_2d:"texture",texture_2d_array:"texture",texture_multisampled_2d:"cubeTexture",texture_depth_2d:"depthTexture",texture_depth_2d_array:"depthTexture",texture_depth_multisampled_2d:"depthTexture",texture_depth_cube:"depthTexture",texture_depth_cube_array:"depthTexture",texture_3d:"texture3D",texture_cube:"cubeTexture",texture_cube_array:"cubeTexture",texture_storage_1d:"storageTexture",texture_storage_2d:"storageTexture",texture_storage_2d_array:"storageTexture",texture_storage_3d:"storageTexture"},parse=e=>{e=e.trim();const t=e.match(declarationRegexp);if(t!==null&&t.length===4){const i=t[2],n=[];let s=null;for(;(s=propertiesRegexp.exec(i))!==null;)n.push({name:s[1],type:s[2]});const a=[];for(let t=0;t<n.length;t++){const{name:o,type:s}=n[t];let e=s;e.startsWith("ptr")?e="pointer":(e.startsWith("texture")&&(e=s.split("<")[0]),e=wgslTypeLib$1[e]),a.push(new NodeFunctionInput(e,o))}const r=e.substring(t[0].length),o=t[3]||"void",c=t[1]!==0[0]?t[1]:"",l=wgslTypeLib$1[o]||o;return{type:l,inputs:a,name:c,inputsCode:i,blockCode:r,outputType:o}}throw new Error("FunctionNode: Function is not a WGSL code.")};class WGSLNodeFunction extends NodeFunction{constructor(e){const{type:t,inputs:n,name:s,inputsCode:o,blockCode:i,outputType:a}=parse(e);super(t,n,s),this.inputsCode=o,this.blockCode=i,this.outputType=a}getCode(e=this.name){const t=this.outputType!=="void"?"-> "+this.outputType:"";return`fn ${e} ( ${this.inputsCode.trim()} ) ${t}`+this.blockCode}}class WGSLNodeParser extends NodeParser{parseFunction(e){return new WGSLNodeFunction(e)}}accessNames={[NodeAccess.READ_ONLY]:"read",[NodeAccess.WRITE_ONLY]:"write",[NodeAccess.READ_WRITE]:"read_write"},wrapNames={[RepeatWrapping]:"repeat",[ClampToEdgeWrapping]:"clamp",[MirroredRepeatWrapping]:"mirror"},gpuShaderStageLib={vertex:GPUShaderStage.VERTEX,fragment:GPUShaderStage.FRAGMENT,compute:GPUShaderStage.COMPUTE},supports={instance:!0,swizzleAssign:!1,storageBuffer:!0},wgslFnOpLib={"^^":"tsl_xor"},wgslTypeLib={float:"f32",int:"i32",uint:"u32",bool:"bool",color:"vec3<f32>",vec2:"vec2<f32>",ivec2:"vec2<i32>",uvec2:"vec2<u32>",bvec2:"vec2<bool>",vec3:"vec3<f32>",ivec3:"vec3<i32>",uvec3:"vec3<u32>",bvec3:"vec3<bool>",vec4:"vec4<f32>",ivec4:"vec4<i32>",uvec4:"vec4<u32>",bvec4:"vec4<bool>",mat2:"mat2x2<f32>",mat3:"mat3x3<f32>",mat4:"mat4x4<f32>"},wgslCodeCache={},wgslPolyfill={tsl_xor:new CodeNode("fn tsl_xor( a : bool, b : bool ) -> bool { return ( a || b ) && !( a && b ); }"),mod_float:new CodeNode("fn tsl_mod_float( x : f32, y : f32 ) -> f32 { return x - y * floor( x / y ); }"),mod_vec2:new CodeNode("fn tsl_mod_vec2( x : vec2f, y : vec2f ) -> vec2f { return x - y * floor( x / y ); }"),mod_vec3:new CodeNode("fn tsl_mod_vec3( x : vec3f, y : vec3f ) -> vec3f { return x - y * floor( x / y ); }"),mod_vec4:new CodeNode("fn tsl_mod_vec4( x : vec4f, y : vec4f ) -> vec4f { return x - y * floor( x / y ); }"),equals_bool:new CodeNode("fn tsl_equals_bool( a : bool, b : bool ) -> bool { return a == b; }"),equals_bvec2:new CodeNode("fn tsl_equals_bvec2( a : vec2f, b : vec2f ) -> vec2<bool> { return vec2<bool>( a.x == b.x, a.y == b.y ); }"),equals_bvec3:new CodeNode("fn tsl_equals_bvec3( a : vec3f, b : vec3f ) -> vec3<bool> { return vec3<bool>( a.x == b.x, a.y == b.y, a.z == b.z ); }"),equals_bvec4:new CodeNode("fn tsl_equals_bvec4( a : vec4f, b : vec4f ) -> vec4<bool> { return vec4<bool>( a.x == b.x, a.y == b.y, a.z == b.z, a.w == b.w ); }"),repeatWrapping_float:new CodeNode("fn tsl_repeatWrapping_float( coord: f32 ) -> f32 { return fract( coord ); }"),mirrorWrapping_float:new CodeNode("fn tsl_mirrorWrapping_float( coord: f32 ) -> f32 { let mirrored = fract( coord * 0.5 ) * 2.0; return 1.0 - abs( 1.0 - mirrored ); }"),clampWrapping_float:new CodeNode("fn tsl_clampWrapping_float( coord: f32 ) -> f32 { return clamp( coord, 0.0, 1.0 ); }"),biquadraticTexture:new CodeNode(`
271fn tsl_biquadraticTexture( map : texture_2d<f32>, coord : vec2f, iRes : vec2u, level : u32 ) -> vec4f {
272
273	let res = vec2f( iRes );
274
275	let uvScaled = coord * res;
276	let uvWrapping = ( ( uvScaled % res ) + res ) % res;
277
278	// https://www.shadertoy.com/view/WtyXRy
279
280	let uv = uvWrapping - 0.5;
281	let iuv = floor( uv );
282	let f = fract( uv );
283
284	let rg1 = textureLoad( map, vec2u( iuv + vec2( 0.5, 0.5 ) ) % iRes, level );
285	let rg2 = textureLoad( map, vec2u( iuv + vec2( 1.5, 0.5 ) ) % iRes, level );
286	let rg3 = textureLoad( map, vec2u( iuv + vec2( 0.5, 1.5 ) ) % iRes, level );
287	let rg4 = textureLoad( map, vec2u( iuv + vec2( 1.5, 1.5 ) ) % iRes, level );
288
289	return mix( mix( rg1, rg2, f.x ), mix( rg3, rg4, f.x ), f.y );
290
291}
292`)},wgslMethods={dFdx:"dpdx",dFdy:"- dpdy",mod_float:"tsl_mod_float",mod_vec2:"tsl_mod_vec2",mod_vec3:"tsl_mod_vec3",mod_vec4:"tsl_mod_vec4",equals_bool:"tsl_equals_bool",equals_bvec2:"tsl_equals_bvec2",equals_bvec3:"tsl_equals_bvec3",equals_bvec4:"tsl_equals_bvec4",inversesqrt:"inverseSqrt",bitcast:"bitcast<f32>",floatpack_snorm_2x16:"pack2x16snorm",floatpack_unorm_2x16:"pack2x16unorm",floatpack_float16_2x16:"pack2x16float",floatunpack_snorm_2x16:"unpack2x16snorm",floatunpack_unorm_2x16:"unpack2x16unorm",floatunpack_float16_2x16:"unpack2x16float"},diagnostics="",(typeof navigator!="undefined"&&/Firefox|Deno/g.test(navigator.userAgent))!==!0&&(diagnostics+=`diagnostic( off, derivative_uniformity );
293`);class WGSLNodeBuilder extends NodeBuilder{constructor(e,t){super(e,t,new WGSLNodeParser),this.uniformGroups={},this.builtins={},this.directives={},this.scopedArrays=new Map}_generateTextureSample(e,t,n,s,o,i=this.shaderStage){return i==="fragment"?s?o?`textureSample( ${t}, ${t}_sampler, ${n}, ${s}, ${o} )`:`textureSample( ${t}, ${t}_sampler, ${n}, ${s} )`:o?`textureSample( ${t}, ${t}_sampler, ${n}, ${o} )`:`textureSample( ${t}, ${t}_sampler, ${n} )`:this.generateTextureSampleLevel(e,t,n,"0",s)}generateTextureSampleLevel(e,t,n,s,o,i){return this.isUnfilterable(e)===!1?i?`textureSampleLevel( ${t}, ${t}_sampler, ${n}, ${s}, ${i} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${n}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,n,i,s):this.generateTextureLod(e,t,n,o,i,s)}generateWrapFunction(e){const t=`tsl_coord_${wrapNames[e.wrapS]}S_${wrapNames[e.wrapT]}_${e.is3DTexture||e.isData3DTexture?"3d":"2d"}T`;let n=wgslCodeCache[t];if(n===0[0]){const o=[],i=e.is3DTexture||e.isData3DTexture?"vec3f":"vec2f";let s=`fn ${t}( coord : ${i} ) -> ${i} {
294
295	return ${i}(
296`;const a=(e,t)=>{e===RepeatWrapping?(o.push(wgslPolyfill.repeatWrapping_float),s+=`		tsl_repeatWrapping_float( coord.${t} )`):e===ClampToEdgeWrapping?(o.push(wgslPolyfill.clampWrapping_float),s+=`		tsl_

296clampWrapping_float( coord.${t} )`):e===MirroredRepeatWrapping?(o.push(wgslPolyfill.mirrorWrapping_float),s+=`		tsl_mirrorWrapping_float( coord.${t} )`):(s+=`		coord.${t}`,warn(`WebGPURenderer: Unsupported texture wrap type "${e}" for vertex shader.`))};a(e.wrapS,"x"),s+=`,
297`,a(e.wrapT,"y"),(e.is3DTexture||e.isData3DTexture)&&(s+=`,
298`,a(e.wrapR,"z")),s+=`
299	);
300
301}
302`,wgslCodeCache[t]=n=new CodeNode(s,o)}return n.build(this),t}generateArrayDeclaration(e,t){return`array< ${this.getType(e)}, ${t} >`}generateTextureDimension(e,t,n){const s=this.getDataFromNode(e,this.shaderStage,this.globalCache);s.dimensionsSnippet===0[0]&&(s.dimensionsSnippet={});let o=s.dimensionsSnippet[n];if(s.dimensionsSnippet[n]===0[0]){let i,a;const{primarySamples:r}=this.renderer.backend.utils.getTextureSampleData(e),c=r>1;e.is3DTexture||e.isData3DTexture?a="vec3<u32>":a="vec2<u32>",c||e.isStorageTexture?i=t:i=`${t}${n?`, u32( ${n} )`:""}`,o=new VarNode(new ExpressionNode(`textureDimensions( ${i} )`,a)),s.dimensionsSnippet[n]=o,(e.isArrayTexture||e.isDataArrayTexture||e.is3DTexture||e.isData3DTexture)&&(s.arrayLayerCount=new VarNode(new ExpressionNode(`textureNumLayers(${t})`,"u32"))),e.isTextureCube&&(s.cubeFaceCount=new VarNode(new ExpressionNode("6u","u32")))}return o.build(this)}generateFilteredTexture(e,t,n,s,o="0u"){this._include("biquadraticTexture");const a=this.generateWrapFunction(e),i=this.generateTextureDimension(e,t,o);return s&&(n=`${n} + vec2<f32>(${s}) / ${i}`),`tsl_biquadraticTexture( ${t}, ${a}( ${n} ), ${i}, u32( ${o} ) )`}generateTextureLod(e,t,n,s,o,i="0u"){const c=this.generateWrapFunction(e),r=this.generateTextureDimension(e,t,i),a=e.is3DTexture||e.isData3DTexture?"vec3":"vec2";o&&(n=`${n} + ${a}<f32>(${o}) / ${a}<f32>( ${r} )`);const l=`${a}<u32>( ${c}( ${n} ) * ${a}<f32>( ${r} ) )`;return this.generateTextureLoad(e,t,l,i,s,null)}generateTextureLoad(e,t,n,s,o,i){s===null&&(s="0u"),i&&(n=`${n} + ${i}`);let a;return o?a=`textureLoad( ${t}, ${n}, ${o}, u32( ${s} ) )`:(a=`textureLoad( ${t}, ${n}, u32( ${s} ) )`,this.renderer.backend.compatibilityMode&&e.isDepthTexture&&(a+=".x")),a}generateTextureStore(e,t,n,s,o){let i;return s?i=`textureStore( ${t}, ${n}, ${s}, ${o} )`:i=`textureStore( ${t}, ${n}, ${o} )`,i}isSampleCompare(e){return e.isDepthTexture===!0&&e.compareFunction!==null}isUnfilterable(e){return this.getComponentTypeFromTexture(e)!=="float"||!this.isAvailable("float32Filterable")&&e.isDataTexture===!0&&e.type===FloatType||this.isSampleCompare(e)===!1&&e.minFilter===NearestFilter&&e.magFilter===NearestFilter||this.renderer.backend.utils.getTextureSampleData(e).primarySamples>1}generateTexture(e,t,n,s,o,i=this.shaderStage){let a=null;return this.isUnfilterable(e)?a=this.generateTextureLod(e,t,n,s,o,"0",i):a=this._generateTextureSample(e,t,n,s,o,i),a}generateTextureGrad(e,t,n,s,o,i,a=this.shaderStage){if(a==="fragment")return i?`textureSampleGrad( ${t}, ${t}_sampler, ${n},  ${s[0]}, ${s[1]}, ${i} )`:`textureSampleGrad( ${t}, ${t}_sampler, ${n},  ${s[0]}, ${s[1]} )`;error(`WebGPURenderer: THREE.TextureNode.gradient() does not support ${a} shader.`)}generateTextureCompare(e,t,n,s,o,i,a=this.shaderStage){if(a==="fragment")return e.isDepthTexture===!0&&e.isArrayTexture===!0?i?`textureSampleCompare( ${t}, ${t}_sampler, ${n}, ${o}, ${s}, ${i} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${n}, ${o}, ${s} )`:i?`textureSampleCompare( ${t}, ${t}_sampler, ${n}, ${s}, ${i} )`:`textureSampleCompare( ${t}, ${t}_sampler, ${n}, ${s} )`;error(`WebGPURenderer: THREE.DepthTexture.compareFunction() does not support ${a} shader.`)}generateTextureLevel(e,t,n,s,o,i){return this.isUnfilterable(e)===!1?i?`textureSampleLevel( ${t}, ${t}_sampler, ${n}, ${s}, ${i} )`:`textureSampleLevel( ${t}, ${t}_sampler, ${n}, ${s} )`:this.isFilteredTexture(e)?this.generateFilteredTexture(e,t,n,i,s):this.generateTextureLod(e,t,n,o,i,s)}generateTextureBias(e,t,n,s,o,i,a=this.shaderStage){if(a==="fragment")return i?`textureSampleBias( ${t}, ${t}_sampler, ${n}, ${s}, ${i} )`:`textureSampleBias( ${t}, ${t}_sampler, ${n}, ${s} )`;error(`WebGPURenderer: THREE.TextureNode.biasNode does not support ${a} shader.`)}getPropertyName(e,t=this.shaderStage){if(e.isNodeVarying===!0&&e.needsInterpolation===!0){if(t==="vertex")return`varyings.${e.name}`}else if(e.isNodeUniform===!0){const n=e.name,t=e.type;return t==="texture"||t==="cubeTexture"||t==="cubeDepthTexture"||t==="storageTexture"||t==="texture3D"?n:t==="buffer"||t==="storageBuffer"||t==="indirectStorageBuffer"?this.isCu

302stomStruct(e)?n:n+".value":e.groupNode.name+"."+n}return super.getPropertyName(e)}getOutputStructName(){return"output"}getFunctionOperator(e){const t=wgslFnOpLib[e];return t!==0[0]?(this._include(t),t):null}getNodeAccess(e,t){return t!=="compute"?e.isAtomic===!0?(warn("WebGPURenderer: Atomic operations are only supported in compute shaders."),NodeAccess.READ_WRITE):NodeAccess.READ_ONLY:e.access}getStorageAccess(e,t){return accessNames[this.getNodeAccess(e,t)]}getUniformFromNode(e,t,n,s=null){const o=super.getUniformFromNode(e,t,n,s),i=this.getDataFromNode(e,n,this.globalCache);if(i.uniformGPU===0[0]){let r;const a=e.groupNode,c=a.name,l=this.getBindGroupArray(c,n);if(t==="texture"||t==="cubeTexture"||t==="cubeDepthTexture"||t==="storageTexture"||t==="texture3D"){let s=null;const i=this.getNodeAccess(e,n);if(t==="texture"||t==="storageTexture"?e.value.is3DTexture===!0?s=new NodeSampledTexture3D(o.name,o.node,a,i):s=new NodeSampledTexture(o.name,o.node,a,i):t==="cubeTexture"||t==="cubeDepthTexture"?s=new NodeSampledCubeTexture(o.name,o.node,a,i):t==="texture3D"&&(s=new NodeSampledTexture3D(o.name,o.node,a,i)),s.store=e.isStorageTextureNode===!0,s.mipLevel=s.store?e.mipLevel:0,s.setVisibility(gpuShaderStageLib[n]),this.isUnfilterable(e.value)===!1&&s.store===!1){const e=new NodeSampler(`${o.name}_sampler`,o.node,a);e.setVisibility(gpuShaderStageLib[n]),l.push(e,s),r=[e,s]}else l.push(s),r=[s]}else if(t==="buffer"||t==="storageBuffer"||t==="indirectStorageBuffer"){const c=this.getSharedDataFromNode(e);let i=c.buffer;if(i===0[0]){const n=t==="buffer"?NodeUniformBuffer:NodeStorageBuffer;i=new n(e,a),c.buffer=i}i.setVisibility(i.getVisibility()|gpuShaderStageLib[n]),l.push(i),r=i,o.name=s||"NodeBuffer_"+o.id}else{const s=this.uniformGroups[n]||(this.uniformGroups[n]={});let e=s[c];e===0[0]&&(e=new NodeUniformsGroup(c,a),e.setVisibility(gpuShaderStageLib[n]),s[c]=e,l.push(e)),r=this.getNodeUniform(o,t),e.addUniform(r)}i.uniformGPU=r}return o}getBuiltin(e,t,n,s=this.shaderStage){const o=this.builtins[s]||(this.builtins[s]=new Map);return o.has(e)===!1&&o.set(e,{name:e,property:t,type:n}),t}hasBuiltin(e,t=this.shaderStage){return this.builtins[t]!==0[0]&&this.builtins[t].has(e)}getVertexIndex(){return this.shaderStage==="vertex"?this.getBuiltin("vertex_index","vertexIndex","u32","attribute"):"vertexIndex"}buildFunctionCode(e){const n=e.layout,t=this.flowShaderNode(e),o=[];for(const e of n.inputs)o.push(e.name+" : "+this.getType(e.type));let s=`fn ${n.name}( ${o.join(", ")} ) -> ${this.getType(n.type)} {
303${t.vars}
304${t.code}
305`;return t.result&&(s+=`	return ${t.result};
306`),s+=`
307}
308`,s}getInstanceIndex(){return this.shaderStage==="vertex"?this.getBuiltin("instance_index","instanceIndex","u32","attribute"):"instanceIndex"}getInvocationLocalIndex(){return this.getBuiltin("local_invocation_index","invocationLocalIndex","u32","attribute")}getSubgroupSize(){return this.enableSubGroups(),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute")}getInvocationSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_invocation_id","invocationSubgroupIndex","u32","attribute")}getSubgroupIndex(){return this.enableSubGroups(),this.getBuiltin("subgroup_id","subgroupIndex","u32","attribute")}getDrawIndex(){return null}getFrontFacing(){return this.getBuiltin("front_facing","isFront","bool")}getFragCoord(){return this.getBuiltin("position","fragCoord","vec4<f32>")+".xy"}getFragDepth(){return"output."+this.getBuiltin("frag_depth","depth","f32","output")}getClipDistance(){return"varyings.hw_clip_distances"}isFlipY(){return!1}enableDirective(e,t=this.shaderStage){const n=this.directives[t]||(this.directives[t]=new Set);n.add(e)}getDirectives(e){const t=[],n=this.directives[e];if(n!==0[0])for(const e of n)t.push(`enable ${e};`);return t.join(`
309`)}enableSubGroups(){this.enableDirective("subgroups")}enableSubgroupsF16(){this.enableDirective("subgroups-f16")}enableClipDistances(){this.enableDirective("clip_distances")}enableShaderF16(){this.enableDirective("f16")}enableDualSourceBlending(){this.enableDirective("dual_source_blending")}enableHardwareClipping(e){this.enableClipDistances(),this.getBuiltin("clip_distances","hw_clip_distances",`array<f32, ${e} >`,"vertex")}getBuiltins(e){const t=[],n=this.builtins[e];if(n!==0[0])for(const{name:e,property:s,type:o}of n.values())t.push(`@builtin( ${e} ) ${s} : ${o}`);return t.join(`,
310	`)}getScopedArray(e,t,n,s){return this.scopedArrays.has(e)===!1&&this.scopedArrays.set(e,{name:e,scope:t,bufferType:n,bufferCount:s}),e}getScopedArrays(e){if(e!=="compute")return;const t=[];for(const{name:e,scope:n,bufferType:s,bufferCount:o}of this.scopedArrays.values()){const i=this.getType(s);t.push(`var<${n}> ${e}: array< ${i}, ${o} >;`)}return t.join(`
311`)}getAttributes(e){const t=[];if(e==="compute"&&(this.getBuiltin("global_invocation_id","globalId","vec3<u32>","attribute"),this.getBuiltin("workgroup_id","workgroupId","vec3<u32>","attribute"),this.getBuiltin("local_invocation_id","localId","vec3<u32>","attribute"),this.getBuiltin("num_workgroups","numWorkgroups","vec3<u32>","attribute"),this.renderer.hasFeature("subgroups")&&(this.enableDirective("subgroups",e),this.getBuiltin("subgroup_size","subgroupSize","u32","attribute"))),e==="vertex"||e==="compute"){const e=this.getBuiltins("attribute");e&&t.push(e);const n=this.getAttributesArray();for(let e=0,o=n.length;e<o;e++){const s=n[e],i=s.name,a=this.getType(s.type);t.push(`@location( ${e} ) ${i} : ${a}`)}}return t.join(`,
312	`)}getStructMembers(e){const t=[];for(const n of e.members){const o=e.output?"@location( "+n.index+" ) ":"";let s=this.getType(n.type);n.atomic&&(s="atomic< "+s+" >"),t.push(`	${o+n.name} : ${s}`)}return e.output&&t.push(`	${this.getBuiltins("output")}`),t.join(`,
313`)}getStructs(e){let t="";const n=this.structs[e];if(n.length>0){const e=[];for(const s of n){let t=`struct ${s.name} {
314`;t+=this.getStructMembers(s),t+=`
315};`,e.push(t)}t=`
316`+e.join(`
317
318`)+`
319`}return t}getVar(e,t,n=null){let s=`var ${t} : `;return n!==null?s+=this.generateArrayDeclaration(e,n):s+=this.getType(e),s}getVars(e){const t=[],n=this.vars[e];if(n!==0[0])for(const e of n)t.push(`	${this.getVar(e.type,e.name,e.count)};`);return`
320${t.join(`
321`)}
322`}getVaryings(e){const t=[];if(e==="vertex"&&this.getBuiltin("position","Vertex","vec4<f32>","vertex"),e==="vertex"||e==="fragment"){const n=this.varyings,s=this.vars[e];for(let i=0;i<n.length;i++){const o=n[i];if(o.needsInterpolation){let e=`@location( ${i} )`;if(o.interpolationType){const t=o.interpolationSampling!==null?`, ${o.interpolationSampling} )`:" )";e+=` @interpolate( ${o.interpolationType}${t}`}

322else/^(int|uint|ivec|uvec)/.test(o.type)&&(e+=` @interpolate( ${this.renderer.backend.compatibilityMode?"flat, either":"flat"} )`);t.push(`${e} ${o.name} : ${this.getType(o.type)}`)}else e==="vertex"&&s.includes(o)===!1&&s.push(o)}}const n=this.getBuiltins(e);n&&t.push(n);const s=t.join(`,
323	`);return e==="vertex"?this._getWGSLStruct("VaryingsStruct","	"+s):s}isCustomStruct(e){const n=e.value,t=e.node,s=(n.isBufferAttribute||n.isInstancedBufferAttribute)&&t.structTypeNode!==null,o=t.value&&t.value.array&&typeof t.value.itemSize=="number"&&t.value.array.length>t.value.itemSize;return s&&!o}getUniforms(e){const i=this.uniforms[e],t=[],s=[],o=[],n={};for(const o of i){const r=o.groupNode.name,a=this.bindingsIndexes[r];if(o.type==="texture"||o.type==="cubeTexture"||o.type==="cubeDepthTexture"||o.type==="storageTexture"||o.type==="texture3D"){const n=o.node.value;this.isUnfilterable(n)===!1&&o.node.isStorageTextureNode!==!0&&(this.isSampleCompare(n)?t.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${o.name}_sampler : sampler_comparison;`):t.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${o.name}_sampler : sampler;`));let s,i="";const{primarySamples:r}=this.renderer.backend.utils.getTextureSampleData(n);if(r>1&&(i="_multisampled"),n.isCubeTexture===!0&&n.isDepthTexture===!0)s="texture_depth_cube";else if(n.isCubeTexture===!0)s="texture_cube<f32>";else if(n.isDepthTexture===!0)this.renderer.backend.compatibilityMode&&n.compareFunction===null?s=`texture${i}_2d<f32>`:s=`texture_depth${i}_2d${n.isArrayTexture===!0?"_array":""}`;else if(o.node.isStorageTextureNode===!0){const t=getFormat(n),i=this.getStorageAccess(o.node,e),a=o.node.value.is3DTexture,r=o.node.value.isArrayTexture,c=a?"3d":`2d${r?"_array":""}`;s=`texture_storage_${c}<${t}, ${i}>`}else if(n.isArrayTexture===!0||n.isDataArrayTexture===!0||n.isCompressedArrayTexture===!0)s="texture_2d_array<f32>";else if(n.is3DTexture===!0||n.isData3DTexture===!0)s="texture_3d<f32>";else{const e=this.getComponentTypeFromTexture(n).charAt(0);s=`texture${i}_2d<${e}32>`}t.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var ${o.name} : ${s};`)}else if(o.type==="buffer"||o.type==="storageBuffer"||o.type==="indirectStorageBuffer"){const t=o.node,n=this.getType(t.getNodeType(this)),i=t.bufferCount,c=i>0&&o.type==="buffer"?", "+i:"",r=t.isStorageBufferNode?`storage, ${this.getStorageAccess(t,e)}`:"uniform";if(this.isCustomStruct(o))s.push(`@binding( ${a.binding++} ) @group( ${a.group} ) var<${r}> ${o.name} : ${n};`);else{const e=t.isAtomic?`atomic<${n}>`:`${n}`,i=`	value : array< ${e}${c} >`;s.push(this._getWGSLStructBinding(o.name,i,r,a.binding++,a.group))}}else{const t=this.getType(this.getVectorType(o.type)),e=o.groupNode.name,s=n[e]||(n[e]={index:a.binding++,id:a.group,snippets:[]});s.snippets.push(`	${o.name} : ${t}`)}}for(const t in n){const e=n[t];o.push(this._getWGSLStructBinding(t,e.snippets.join(`,
324`),"uniform",e.index,e.id))}const a=[...t,...s,...o].join(`
325`);return a}buildCode(){const e=this.material!==null?{fragment:{},vertex:{}}:{compute:{}};this.sortBindingGroups();for(const t in e){this.shaderStage=t;const n=e[t];n.uniforms=this.getUniforms(t),n.attributes=this.getAttributes(t),n.varyings=this.getVaryings(t),n.structs=this.getStructs(t),n.vars=this.getVars(t),n.codes=this.getCodes(t),n.directives=this.getDirectives(t),n.scopedArrays=this.getScopedArrays(t);let s=`// code
326
327`;s+=this.flowCode[t];const o=this.flowNodes[t],a=o[o.length-1],i=a.outputNode,r=i!==0[0]&&i.isOutputStructNode===!0;for(const c of o){const e=this.getFlowData(c),l=c.name;if(l&&(s.length>0&&(s+=`
328`),s+=`	// flow -> ${l}
329`),s+=`${e.code}
330	`,c===a&&t!=="compute")if(s+=`// result
331
332	`,t==="vertex")s+=`varyings.Vertex = ${e.result};`;else if(t==="fragment")if(r)n.returnType=i.getNodeType(this),n.structs+="var<private> output : "+n.returnType+";",s+=`return ${e.result};`;else{let t="	@location(0) color: vec4<f32>";const o=this.getBuiltins("output");o&&(t+=`,
333	`+o),n.returnType="OutputStruct",n.structs+=this._getWGSLStruct("OutputStruct",t),n.structs+=`
334var<private> output : OutputStruct;`,s+=`output.color = ${e.result};
335
336	return output;`}}n.flow=s}if(this.shaderStage=null,this.material!==null)this.vertexShader=this._getWGSLVertexCode(e.vertex),this.fragmentShader=this._getWGSLFragmentCode(e.fragment);else{const t=this.object.workgroupSize;this.computeShader=this._getWGSLComputeCode(e.compute,t)}}getMethod(e,t=null){let n;return t!==null&&(n=this._getWGSLMethod(e+"_"+t)),n===0[0]&&(n=this._getWGSLMethod(e)),n||e}getBitcastMethod(e){const t=this.getType(e);return`bitcast<${t}>`}getFloatPackingMethod(e){return this.getMethod(`floatpack_${e}_2x16`)}getFloatUnpackingMethod(e){return this.getMethod(`floatunpack_${e}_2x16`)}

336getTernary(e,t,n){return`select( ${n}, ${t}, ${e} )`}getType(e){return wgslTypeLib[e]||e}isAvailable(e){let t=supports[e];return t===0[0]&&(e==="float32Filterable"?t=this.renderer.hasFeature("float32-filterable"):e==="clipDistance"&&(t=this.renderer.hasFeature("clip-distances")),supports[e]=t),t}_getWGSLMethod(e){return wgslPolyfill[e]!==0[0]&&this._include(e),wgslMethods[e]}_include(e){const t=wgslPolyfill[e];return t.build(this),this.addInclude(t),t}_getWGSLVertexCode(e){return`${this.getSignature()}
337// directives
338${e.directives}
339
340// structs
341${e.structs}
342
343// uniforms
344${e.uniforms}
345
346// varyings
347${e.varyings}
348var<private> varyings : VaryingsStruct;
349
350// codes
351${e.codes}
352
353@vertex
354fn main( ${e.attributes} ) -> VaryingsStruct {
355
356	// vars
357	${e.vars}
358
359	// flow
360	${e.flow}
361
362	return varyings;
363
364}
365`}_getWGSLFragmentCode(e){return`${this.getSignature()}
366// global
367${diagnostics}
368
369// structs
370${e.structs}
371
372// uniforms
373${e.uniforms}
374
375// codes
376${e.codes}
377
378@fragment
379fn main( ${e.varyings} ) -> ${e.returnType} {
380
381	// vars
382	${e.vars}
383
384	// flow
385	${e.flow}
386
387}
388`}_getWGSLComputeCode(e,t){const[n,s,o]=t;

388return`${this.getSignature()}
389// directives
390${e.directives}
391
392// system
393var<private> instanceIndex : u32;
394
395// locals
396${e.scopedArrays}
397
398// structs
399${e.structs}
400
401// uniforms
402${e.uniforms}
403
404// codes
405${e.codes}
406
407@compute @workgroup_size( ${n}, ${s}, ${o} )
408fn main( ${e.attributes} ) {
409
410	// system
411	instanceIndex = globalId.x
412		+ globalId.y * ( ${n} * numWorkgroups.x )
413		+ globalId.z * ( ${n} * numWorkgroups.x ) * ( ${s} * numWorkgroups.y );
414
415	// vars
416	${e.vars}
417
418	// flow
419	${e.flow}
420
421}
422`}_getWGSLStruct(e,t){return`
423struct ${e} {
424${t}
425};`}_getWGSLStructBinding(e,t,n,s=0,o=0){const i=e+"Struct",a=this._getWGSLStruct(i,t);return`${a}
426@binding( ${s} ) @group( ${o} )
427var<${n}> ${e} : ${i};`}}class WebGPUUtils{constructor(e){this.backend=e}getCurrentDepthStencilFormat(e){let t;return e.depthTexture!==null?t=this.getTextureFormatGPU(e.depthTexture):e.depth&&e.stencil?t=GPUTextureFormat.Depth24PlusStencil8:e.depth&&(t=GPUTextureFormat.Depth24Plus),t}getTextureFormatGPU(e){return this.backend.get(e).format}getTextureSampleData(e){let t;if(e.isFramebufferTexture)t=1;else if(e.isDepthTexture&&!e.renderTarget){const e=this.backend.renderer,n=e.getRenderTarget();t=n?n.samples:e.currentSamples}else e.renderTarget&&(t=e.renderTarget.samples);t=t||1;const n=t>1&&e.renderTarget!==null&&e.isDepthTexture!==!0&&e.isFramebufferTexture!==!0,s=n?1:t;return{samples:t,primarySamples:s,isMSAA:n}}getCurrentColorFormat(e){let t;return e.textures!==null?t=this.getTextureFormatGPU(e.textures[0]):t=this.getPreferredCanvasFormat(),t}getCurrentColorFormats(e){return e.textures!==null?e.textures.map(e=>this.getTextureFormatGPU(e)):[this.getPreferredCanvasFormat()]}getCurrentColorSpace(e){return e.textures!==null?e.textures[0].colorSpace:this.backend.renderer.outputColorSpace}getPrimitiveTopology(e,t){if(e.isPoints)return GPUPrimitiveTopology.PointList;if(e.isLineSegments||e.isMesh&&t.wireframe===!0)return GPUPrimitiveTopology.LineList;if(e.isLine)return GPUPrimitiveTopology.LineStrip;if(e.isMesh)return GPUPrimitiveTopology.TriangleList}getSampleCount(e){return e>=4?4:1}

427getSampleCountRenderContext(e){return e.textures!==null?this.getSampleCount(e.sampleCount):this.getSampleCount(this.backend.renderer.currentSamples)}getPreferredCanvasFormat(){const t=this.backend.parameters,e=t.outputType;if(e===0[0])return navigator.gpu.getPreferredCanvasFormat();if(e===UnsignedByteType)return GPUTextureFormat.BGRA8Unorm;if(e===HalfFloatType)return GPUTextureFormat.RGBA16Float;throw new Error("Unsupported output buffer type.")}}typedArraysToVertexFormatPrefix=new Map([[Int8Array,["sint8","snorm8"]],[Uint8Array,["uint8","unorm8"]],[Int16Array,["sint16","snorm16"]],[Uint16Array,["uint16","unorm16"]],[Int32Array,["sint32","snorm32"]],[Uint32Array,["uint32","unorm32"]],[Float32Array,["float32"]]]),typeof Float16Array!="undefined"&&typedArraysToVertexFormatPrefix.set(Float16Array,["float16"]),typedAttributeToVertexFormatPrefix=new Map([[Float16BufferAttribute,["float16"]]]),typeArraysToVertexFormatPrefixForItemSize1=new Map([[Int32Array,"sint32"],[Int16Array,"sint32"],[Uint32Array,"uint32"],[Uint16Array,"uint32"],[Float32Array,"float32"]]);class WebGPUAttributeUtils{constructor(e){this.backend=e}createAttribute(e,t){const n=this._getBufferAttribute(e),i=this.backend,o=i.get(n);let s=o.buffer;if(s===0[0]){const c=i.device;let a=n.array;if(e.normalized===!1)if(a.constructor===Int16Array||a.constructor===Int8Array)a=new Int32Array(a);else if((a.constructor===Uint16Array||a.constructor===Uint8Array)&&(a=new Uint32Array(a),t&GPUBufferUsage.INDEX))for(let e=0;e<a.length;e++)a[e]===65535&&(a[e]=4294967295);if(n.array=a,(n.isStorageBufferAttribute||n.isStorageInstancedBufferAttribute)&&n.itemSize===3){a=new a.constructor(n.count*4);for(let e=0;e<n.count;e++)a.set(n.array.subarray(e*3,e*3+3),e*4);n.itemSize=4,n.array=a,o._force3to4BytesAlignment=!0}const r=a.byteLength,l=r+(4-r%4)%4;s=c.createBuffer({label:n.name,size:l,usage:t,mappedAtCreation:!0}),new a.constructor(s.getMappedRange()).set(a),s.unmap(),o.buffer=s}}updateAttribute(e){const t=this._getBufferAttribute(e),s=this.backend,i=s.device,a=s.get(t),r=s.get(t).buffer;let n=t.array;if(a._force3to4BytesAlignment===!0){n=new n.constructor(t.count*4);for(let e=0;e<t.count;e++)n.set(t.array.subarray(e*3,e*3+3),e*4);t.array=n}const o=t.updateRanges;if(o.length===0)i.queue.writeBuffer(r,0,n,0);else{const s=isTypedArray(n),e=s?1:n.BYTES_PER_ELEMENT;for(let l=0,u=o.length;l<u;l++){const t=o[l];let c,d;if(a._force3to4BytesAlignment===!0){const n=Math.floor(t.start/3),s=Math.ceil(t.count/3);c=n*4*e,d=s*4*e}else c=t.start*e,d=t.count*e;const h=c*(s?n.BYTES_PER_ELEMENT:1);i.queue.writeBuffer(r,h,n,c,d)}t.clearUpdateRanges()}}createShaderVertexBuffers(e){const n=e.getAttributes(),t=new Map;for(let s=0;s<n.length;s++){const e=n[s],i=e.array.BYTES_PER_ELEMENT,a=this._getBufferAttribute(e);let o=t.get(a);if(o===0[0]){let n,s;e.isInterleavedBufferAttribute===!0?(n=e.data.stride*i,s=e.data.isInstancedInterleavedBuffer?GPUInputStepMode.Instance:GPUInputStepMode.Vertex):(n=e.itemSize*i,s=e.isInstancedBufferAttribute?GPUInputStepMode.Instance:GPUInputStepMode.Vertex),e.normalized===!1&&(e.array.constructor===Int16Array||e.array.constructor===Uint16Array)&&(n=4),o={arrayStride:n,attributes:[],stepMode:s},t.set(a,o)}const r=this._getVertexFormat(e),c=e.isInterleavedBufferAttribute===!0?e.offset*i:0;o.attributes.push({shaderLocation:s,offset:c,format:r})}return Array.from(t.values())}destroyAttribute(e){const t=this.backend,n=t.get(this._getBufferAttribute(e));n.buffer.destroy(),t.delete(e)}async getArrayBufferAsync(e){const s=this.backend,n=s.device,r=s.get(this._getBufferAttribute(e)),o=r.buffer,i=o.size,t=n.createBuffer({label:`${e.name}_readback`,size:i,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ}),a=n.createCommandEncoder({label:`readback_encoder_${e.name}`});a.copyBufferToBuffer(o,0,t,0,i);const c=a.finish();n.queue.submit([c]),await t.mapAsync(GPUMapMode.READ);const l=t.getMappedRange(),d=new e.array.constructor(l.slice(0));return t.unmap(),d.buffer}_getVertexFormat(e){const{itemSize:s,normalized:o}=e,t=e.array.constructor,i=e.constructor;let n;if(s===1)n=typeArraysToVertexFormatPrefixForItemSize1.get(t);else{const a=typedAttributeToVertexFormatPrefix.get(i)||typedArraysToVertexFormatPrefix.get(t),e=a[o?1:0];if(e){const i=t.BYTES_PER_ELEMENT*s,a=Math.floor((i+3)/4)*4,o=a/t.BYTES_PER_ELEMENT;if(o%1)throw new Error("THREE.WebGPUAttributeUtils: Bad vertex format item size.");n=`${e}x${o}`}}return n||error("WebGPUAttributeUtils: Vertex format not supported yet."),n}_getBufferAttribute(e){return e.isInterleavedBufferAttribute&&(e=e.data),e}}class BindGroupLayout{constructor(e){this.layoutGPU=e,this.usedTimes=0}}class WebGPUBindingUtils{constructor(e){this.backend=e,this._bindGroupLayoutCache=new Map}createBindingsLayout(e){const o=this.backend,a=o.device,n=o.get(e);if(n.layout)return n.layout.layoutGPU;const i=this._createLayoutEntries(e),s=JSON.stringify(i);let t=this._bindGroupLayoutCache.get(s);return t===0[0]&&(t=new BindGroupLayout(a.createBindGroupLayout({entries:i})),this._bindGroupLayoutCache.set(s,t)),t.usedTimes++,n.layout=t,n.layoutKey=s,t.layoutGPU}createBindings(e,t,n,s=0){const{backend:a}=this,o=a.get(e),r=this.createBindingsLayout(e);let i;n>0&&(o.groups===0[0]&&(o.groups=[],o.versions=[]),o.versions[n]===s&&(i=o.groups[n])),i===0[0]&&(i=this.createBindGroup(e,r),n>0&&(o.groups[n]=i,o.versions[n]=s)),o.group=i}updateBinding(e){const s=this.backend,o=s.device,t=e.buffer,i=s.get(e).buffer,n=e.updateRanges;if(n.length===0)o.queue.writeBuffer(i,0,t,0);else{const s=isTypedArray(t),a=s?1:t.BYTES_PER_ELEMENT;for(let e=0,l=n.length;e<l;e++){const r=n[e],c=r.start*a,d=r.count*a,u=c*(s?t.BYTES_PER_ELEMENT:1);o.queue.writeBuffer(i,u,t,c,d)}e.clearUpdateRanges()}}createBindGroupIndex(e,t){const i=this.backend,n=i.device,a=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,s=e[0],o=n.createBuffer({label:"bindingCameraIndex_"+s,size:16,usage:a});n.queue.writeBuffer(o,0,e,0);const r=[{binding:0,resource:{buffer:o}}];return n.createBindGroup({label:"bindGroupCameraIndex_"+s,layout:t,entries:r})}createBindGroup(e,t){const n=this.backend,i=n.device;let s=0;const o=[];for(const t of e.bindings){if(t.isUniformBuffer){const e=n.get(t);if(e.buffer===0[0]){const s=t.byteLength,o=GPUBufferUsage.UNIFORM|GPUBufferUsage.COPY_DST,n=[];t.visibility&GPUShaderStage.VERTEX&&n.push("vertex"),t.visibility&GPUShaderStage.FRAGMENT&&n.push("fragment"),t.visibility&GPUShaderStage.COMPUTE&&n.push("compute");const a=`(${n.join(",")})`,r=i.createBuffer({label:`bindingBuffer${t.id}_${t.name}_${a}`,size:s,usage:o});e.buffer=r}o.push({binding:s,resource:{buffer:e.buffer}})}else if(t.isStorageBuffer){const e=n.get(t);if(e.buffer===0[0]){const s=t.attribute;e.buffer=n.get(s).buffer}o.push({binding:s,resource:{buffer:e.buffer}})}else if(t.isSampledTexture){const e=n.get(t.texture);let a;if(e.externalTexture!==0[0])a=i.importExternalTexture({source:e.externalTexture});else{const s=t.store?1:e.texture.mipLevelCount,o=t.store?t.mipLevel:0;let n=`view-${e.texture.width}-${e.texture.height}`;if(e.texture.depthOrArrayLayers>1&&(n+=`-${e.texture.depthOrArrayLayers}`),n+=`-${s}-${o}`,a=e[n],a===0[0]){const r=GPUTextureAspect.All;let i;t.isSampledCubeTexture?i=GPUTextureViewDimension.Cube:t.isSampledTexture3D?i=GPUTextureViewDimension.ThreeD:t.texture.isArrayTexture||t.texture.isDataArrayTexture||t.texture.isCompressedArrayTexture?i=GPUTextureViewDimension.TwoDArray:i=GPUTextureViewDimension.TwoD,a=e[n]=e.texture.createView({aspect:r,dimension:i,mipLevelCount:s,baseMipLevel:o})}}o.push({binding:s,resource:a})}else if(t.isSampler){const e=n.get(t.texture);o.push({binding:s,resource:e.sampler})}s++}return i.createBindGroup({label:"bindGroup_"+e.name,layout:t,entries:o})}_createLayoutEntries(e){const t=[];let n=0;for(const s of e.bindings){const i=this.backend,o={binding:n,visibility:s.visibility};if(s.isUniformBuffer||s.isStorageBuffer){const e={};s.isStorageBuffer&&(s.visibility&GPUShaderStage.COMPUTE?s.access===NodeAccess.READ_WRITE||s.access===NodeAccess.WRITE_ONLY?e.type=GPUBufferBindingType.Storage:e.type=GPUBufferBindingType.ReadOnlyStorage:e.type=GPUBufferBindingType.ReadOnlyStorage),o.buffer=e}else if(s.isSampledTexture&&s.store){const e={};e.format=this.backend.get(s.texture).texture.format;const t=s.access;t===NodeAccess.READ_WRITE?e.access=GPUStorageTextureAccess.ReadWrite:t===NodeAccess.WRITE_ONLY?e.access=GPUStorageTextureAccess.WriteOnly:e.access=GPUStorageTextureAccess.ReadOnly,s.texture.isArrayTexture?e.viewDimension=GPUTextureViewDimension.TwoDArray:s.texture.is3DTexture&&(e.viewDimension=GPUTextureViewDimension.ThreeD),o.storageTexture=e}else if(s.isSampledTexture){const e={},{primarySamples:t}=i.utils.getTextureSampleData(s.texture);if(t>1&&(e.multisampled=!0,s.texture.isDepthTexture||(e.sampleType=GPUTextureSampleType.UnfilterableFloat)),s.texture.isDepthTexture)i.compatibilityMode&&s.texture.compareFunction===null?e.sampleType=GPUTextureSampleType.UnfilterableFloat:e.sampleType=GPUTextureSampleType.Depth;else if(s.texture.isDataTexture||s.texture.isDataArrayTexture||s.texture.isData3DTexture){const t=s.texture.type;t===IntType?e.sampleType=GPUTextureSampleType.SInt:t===UnsignedIntType?e.sampleType=GPUTextureSampleType.UInt:t===FloatType&&(this.backend.hasFeature("float32-filterable")?e.sampleType=GPUTextureSampleType.Float:e.sampleType=GPUTextureSampleType.UnfilterableFloat)}s.isSampledCubeTexture?e.viewDimension=GPUTextureViewDimension.Cube:s.texture.isArrayTexture||s.texture.isDataArrayTexture||s.texture.isCompressedArrayTexture?e.viewDimension=GPUTextureViewDimension.TwoDArray:s.isSampledTexture3D&&(e.viewDimension=GPUTextureViewDimension.ThreeD),o.texture=e}else if(s.isSampler){const e={};s.texture.isDepthTexture&&(s.texture.compareFunction!==null?e.type=GPUSamplerBindingType.Comparison:i.compatibilityMode&&(e.type=GPUSamplerBindingType.NonFiltering)),o.sampler=e}else error(`WebGPUBindingUtils: Unsupported binding "${s}".`);t.push(o),n++}return t}deleteBindGroupData(e){const{backend:n}=this,t=n.get(e);t.layout&&(t.layout.usedTimes--,t.layout.usedTimes===0&&this._bindGroupLayoutCache.delete(t.layoutKey),t.layout=0[0],t.layoutKey=0[0])}dispose(){this._bindGroupLayoutCache.clear()}}class WebGPUPipelineUtils{constructor(e){this.backend=e,this._activePipelines=new WeakMap}setPipeline(e,t){const n=this._activePipelines.get(e);n!==t&&(e.setPipeline(t),this._activePipelines.set(e,t))}

427_getSampleCount(e){return this.backend.utils.getSampleCountRenderContext(e)}createRenderPipeline(e,t){const{object:x,material:n,geometry:C,pipeline:v}=e,{vertexProgram:k,fragmentProgram:E}=v,o=this.backend,i=o.device,l=o.utils,r=o.get(v),f=[];for(const t of e.getBindings()){const n=o.get(t),{layoutGPU:s}=n.layout;f.push(s)}const b=o.attributeUtils.createShaderVertexBuffers(e);let c;n.blending!==NoBlending&&(n.blending!==NormalBlending||n.transparent!==!1)&&(c=this._getBlending(n));let g={};n.stencilWrite===!0&&(g={compare:this._getStencilCompare(n),failOp:this._getStencilOperation(n.stencilFail),depthFailOp:this._getStencilOperation(n.stencilZFail),passOp:this._getStencilOperation(n.stencilZPass)});const u=this._getColorWriteMask(n),a=[];if(e.context.textures!==null){const t=e.context.textures;for(let e=0;e<t.length;e++){const n=l.getTextureFormatGPU(t[e]);e===0?a.push({format:n,blend:c,writeMask:u}):a.push({format:n,writeMask:u})}}else{const t=l.getCurrentColorFormat(e.context);a.push({format:t,blend:c,writeMask:u})}const O=o.get(k).module,j=o.get(E).module,y=this._getPrimitiveState(x,C,n),_=this._getDepthCompare(n),w=l.getCurrentDepthStencilFormat(e.context),h=this._getSampleCount(e.context),d={label:`renderPipeline_${n.name||n.type}_${n.id}`,vertex:Object.assign({},O,{buffers:b}),fragment:Object.assign({},j,{targets:a}),primitive:y,multisample:{count:h,alphaToCoverageEnabled:n.alphaToCoverage&&h>1},layout:i.createPipelineLayout({bindGroupLayouts:f})},s={},p=e.context.depth,m=e.context.stencil;if((p===!0||m===!0)&&(p===!0&&(s.format=w,s.depthWriteEnabled=n.depthWrite,s.depthCompare=_),m===!0&&(s.stencilFront=g,s.stencilBack={},s.stencilReadMask=n.stencilFuncMask,s.stencilWriteMask=n.stencilWriteMask),n.polygonOffset===!0&&(s.depthBias=n.polygonOffsetUnits,s.depthBiasSlopeScale=n.polygonOffsetFactor,s.depthBiasClamp=0),d.depthStencil=s),i.pushErrorScope("validation"),t===null)r.pipeline=i.createRenderPipeline(d),i.popErrorScope().then(e=>{e!==null&&(r.error=!0,error(e.message))});else{const e=new Promise(async e=>{try{r.pipeline=await i.createRenderPipelineAsync(d)}catch{}const t=await i.popErrorScope();t!==null&&(r.error=!0,error(t.message)),e()});t.push(e)}}createBundleEncoder(e,t="renderBundleEncoder"){const s=this.backend,{utils:n,device:o}=s,i=n.getCurrentDepthStencilFormat(e),a=n.getCurrentColorFormats(e),r=this._getSampleCount(e),c={label:t,colorFormats:a,depthStencilFormat:i,sampleCount:r};return o.createRenderBundleEncoder(c)}createComputePipeline(e,t){const n=this.backend,s=n.device,i=n.get(e.computeProgram).module,a=n.get(e),o=[];for(const e of t){const s=n.get(e),{layoutGPU:i}=s.layout;o.push(i)}a.pipeline=s.createComputePipeline({compute:i,layout:s.createPipelineLayout({bindGroupLayouts:o})})}_getBlending(e){let t,n;const s=e.blending,o=e.blendSrc,i=e.blendDst,a=e.blendEquation;if(s===CustomBlending){const s=e.blendSrcAlpha!==null?e.blendSrcAlpha:o,r=e.blendDstAlpha!==null?e.blendDstAlpha:i,c=e.blendEquationAlpha!==null?e.blendEquationAlpha:a;t={srcFactor:this._getBlendFactor(o),dstFactor:this._getBlendFactor(i),operation:this._getBlendOperation(a)},n={srcFactor:this._getBlendFactor(s),dstFactor:this._getBlendFactor(r),operation:this._getBlendOperation(c)}}else{const i=e.premultipliedAlpha,o=(e,s,o,i)=>{t={srcFactor:e,dstFactor:s,operation:GPUBlendOperation.Add},n={srcFactor:o,dstFactor:i,operation:GPUBlendOperation.Add}};if(i)switch(s){case NormalBlending:o(GPUBlendFactor.One,GPUBlendFactor.OneMinusSrcAlpha,GPUBlendFactor.One,GPUBlendFactor.OneMinusSrcAlpha);break;case AdditiveBlending:o(GPUBlendFactor.One,GPUBlendFactor.One,GPUBlendFactor.One,GPUBlendFactor.One);break;case SubtractiveBlending:o(GPUBlendFactor.Zero,GPUBlendFactor.OneMinusSrc,GPUBlendFactor.Zero,GPUBlendFactor.One);break;case MultiplyBlending:o(GPUBlendFactor.Dst,GPUBlendFactor.OneMinusSrcAlpha,GPUBlendFactor.Zero,GPUBlendFactor.One);break}else switch(s){case NormalBlending:o(GPUBlendFactor.SrcAlpha,GPUBlendFactor.OneMinusSrcAlpha,GPUBlendFactor.One,GPUBlendFactor.OneMinusSrcAlpha);break;case AdditiveBlending:o(GPUBlendFactor.SrcAlpha,GPUBlendFactor.One,GPUBlendFactor.One,GPUBlendFactor.One);break;case SubtractiveBlending:error("WebGPURenderer: SubtractiveBlending requires material.premultipliedAlpha = true");break;case MultiplyBlending:error("WebGPURenderer: MultiplyBlending requires material.premultipliedAlpha = true");break}}if(t!==0[0]&&n!==0[0])return{color:t,alpha:n};error("WebGPURenderer: Invalid blending: ",s)}_getBlendFactor(e){let t;switch(e){case ZeroFactor:t=GPUBlendFactor.Zero;break;case OneFactor:t=GPUBlendFactor.One;break;case SrcColorFactor:t=GPUBlendFactor.Src;break;case OneMinusSrcColorFactor:t=GPUBlendFactor.OneMinusSrc;break;case SrcAlphaFactor:t=GPUBlendFactor.SrcAlpha;break;case OneMinusSrcAlphaFactor:t=GPUBlendFactor.OneMinusSrcAlpha;break;case DstColorFactor:t=GPUBlendFactor.Dst;break;case OneMinusDstColorFactor:t=GPUBlendFactor.OneMinusDst;break;case DstAlphaFactor:t=GPUBlendFactor.DstAlpha;break;case OneMinusDstAlphaFactor:t=GPUBlendFactor.OneMinusDstAlpha;break;case SrcAlphaSaturateFactor:t=GPUBlendFactor.SrcAlphaSaturated;break;case BlendColorFactor:t=GPUBlendFactor.Constant;break;case OneMinusBlendColorFactor:t=GPUBlendFactor.OneMinusConstant;break;default:error("WebGPURenderer: Blend factor not supported.",e)}return t}_getStencilCompare(e){let t;const n=e.stencilFunc;switch(n){case NeverStencilFunc:t=GPUCompareFunction.Never;break;case AlwaysStencilFunc:t=GPUCompareFunction.Always;break;case LessStencilFunc:t=GPUCompareFunction.Less;break;case LessEqualStencilFunc:t=GPUCompareFunction.LessEqual;break;case EqualStencilFunc:t=GPUCompareFunction.Equal;break;case GreaterEqualStencilFunc:t=GPUCompareFunction.GreaterEqual;break;case GreaterStencilFunc:t=GPUCompareFunction.Greater;break;case NotEqualStencilFunc:t=GPUCompareFunction.NotEqual;break;default:error("WebGPURenderer: Invalid stencil function.",n)}return t}_getStencilOperation(e){let t;switch(e){case KeepStencilOp:t=GPUStencilOperation.Keep;break;case ZeroStencilOp:t=GPUStencilOperation.Zero;break;case ReplaceStencilOp:t=GPUStencilOperation.Replace;break;case InvertStencilOp:t=GPUStencilOperation.Invert;break;case IncrementStencilOp:t=GPUStencilOperation.IncrementClamp;break;case DecrementStencilOp:t=GPUStencilOperation.DecrementClamp;break;case IncrementWrapStencilOp:t=GPUStencilOperation.IncrementWrap;break;case DecrementWrapStencilOp:t=GPUStencilOperation.DecrementWrap;break;default:error("WebGPURenderer: Invalid stencil operation.",t)}return t}_getBlendOperation(e){let t;switch(e){case AddEquation:t=GPUBlendOperation.Add;break;case SubtractEquation:t=GPUBlendOperation.Subtract;break;case ReverseSubtractEquation:t=GPUBlendOperation.ReverseSubtract;break;case MinEquation:t=GPUBlendOperation.Min;break;case MaxEquation:t=GPUBlendOperation.Max;break;default:error("WebGPUPipelineUtils: Blend equation not supported.",e)}return t}_getPrimitiveState(e,t,n){const s={},i=this.backend.utils;

427s.topology=i.getPrimitiveTopology(e,n),t.index!==null&&e.isLine===!0&&e.isLineSegments!==!0&&(s.stripIndexFormat=t.index.array instanceof Uint16Array?GPUIndexFormat.Uint16:GPUIndexFormat.Uint32);let o=n.side===BackSide;return e.isMesh&&e.matrixWorld.determinant()<0&&(o=!o),s.frontFace=o===!0?GPUFrontFace.CW:GPUFrontFace.CCW,s.cullMode=n.side===DoubleSide?GPUCullMode.None:GPUCullMode.Back,s}_getColorWriteMask(e){return e.colorWrite===!0?GPUColorWriteFlags.All:GPUColorWriteFlags.None}_getDepthCompare(e){let t;if(e.depthTest===!1)t=GPUCompareFunction.Always;else{const n=e.depthFunc;switch(n){case NeverDepth:t=GPUCompareFunction.Never;break;case AlwaysDepth:t=GPUCompareFunction.Always;break;case LessDepth:t=GPUCompareFunction.Less;break;case LessEqualDepth:t=GPUCompareFunction.LessEqual;break;case EqualDepth:t=GPUCompareFunction.Equal;break;case GreaterEqualDepth:t=GPUCompareFunction.GreaterEqual;break;case GreaterDepth:t=GPUCompareFunction.Greater;break;case NotEqualDepth:t=GPUCompareFunction.NotEqual;break;default:error("WebGPUPipelineUtils: Invalid depth function.",n)}}return t}}class WebGPUTimestampQueryPool extends TimestampQueryPool{constructor(e,t,n=2048){super(n),this.device=e,this.type=t,this.querySet=this.device.createQuerySet({type:"timestamp",count:this.maxQueries,label:`queryset_global_timestamp_${t}`});const s=this.maxQueries*8;this.resolveBuffer=this.device.createBuffer({label:`buffer_timestamp_resolve_${t}`,size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.resultBuffer=this.device.createBuffer({label:`buffer_timestamp_result_${t}`,size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ})}allocateQueriesForContext(e){if(!this.trackTimestamp||this.isDisposed)return null;if(this.currentQueryIndex+2>this.maxQueries)return warnOnce(`WebGPUTimestampQueryPool [${this.type}]: Maximum number of queries exceeded, when using trackTimestamp it is necessary to resolves the queries via renderer.resolveTimestampsAsync( THREE.TimestampQuery.${this.type.toUpperCase()} ).`),null;const t=this.currentQueryIndex;return this.currentQueryIndex+=2,this.queryOffsets.set(e,t),t}async resolveQueriesAsync(){if(!this.trackTimestamp||this.currentQueryIndex===0||this.isDisposed)return this.lastValue;if(this.pendingResolve)return this.pendingResolve;this.pendingResolve=this._resolveQueries();try{const e=await this.pendingResolve;return e}finally{this.pendingResolve=null}}async _resolveQueries(){if(this.isDisposed)return this.lastValue;try{if(this.resultBuffer.mapState!=="unmapped")return this.lastValue;const r=new Map(this.queryOffsets),o=this.currentQueryIndex,n=o*8;this.currentQueryIndex=0,this.queryOffsets.clear();const s=this.device.createCommandEncoder();s.resolveQuerySet(this.querySet,0,o,this.resolveBuffer,0),s.copyBufferToBuffer(this.resolveBuffer,0,this.resultBuffer,0,n);const c=s.finish();if(this.device.queue.submit([c]),this.resultBuffer.mapState!=="unmapped")return this.lastValue;if(await this.resultBuffer.mapAsync(GPUMapMode.READ,0,n),this.isDisposed)return this.resultBuffer.mapState==="mapped"&&this.resultBuffer.unmap(),this.lastValue;const i=new BigUint64Array(this.resultBuffer.getMappedRange(0,n)),t={},e=[];for(const[s,o]of r){const c=s.match(/^(.*):f(\d+)$/),n=parseInt(c[2]);e.includes(n)===!1&&e.push(n),t[n]===0[0]&&(t[n]=0);const l=i[o],d=i[o+1],a=Number(d-l)/1e6;this.timestamps.set(s,a),t[n]+=a}const a=t[e[e.length-1]];return this.resultBuffer.unmap(),this.lastValue=a,this.frames=e,a}catch(e){return error("Error resolving queries:",e),this.resultBuffer.mapState==="mapped"&&this.resultBuffer.unmap(),this.lastValue}}async dispose(){if(this.isDisposed)return;if(this.isDisposed=!0,this.pendingResolve)try{await this.pendingResolve}catch(e){error("Error waiting for pending resolve:",e)}if(this.resultBuffer&&this.resultBuffer.mapState==="mapped")try{this.resultBuffer.unmap()}catch(e){error("Error unmapping buffer:",e)}this.querySet&&(this.querySet.destroy(),this.querySet=null),this.resolveBuffer&&(this.resolveBuffer.destroy(),this.resolveBuffer=null),this.resultBuffer&&(this.resultBuffer.destroy(),this.resultBuffer=null),this.queryOffsets.clear(),this.pendingResolve=null}}class WebGPUBackend extends Backend{constructor(e={}){super(e),this.isWebGPUBackend=!0,this.parameters.alpha=e.alpha===0[0]||e.alpha,this.parameters.compatibilityMode=e.compatibilityMode!==0[0]&&e.compatibilityMode,this.parameters.requiredLimits=e.requiredLimits===0[0]?{}:e.requiredLimits,this.compatibilityMode=this.parameters.compatibilityMode,this.device=null,this.defaultRenderPassdescriptor=null,this.utils=new WebGPUUtils(this),this.attributeUtils=new WebGPUAttributeUtils(this),this.bindingUtils=new WebGPUBindingUtils(this),this.pipelineUtils=new WebGPUPipelineUtils(this),this.textureUtils=new WebGPUTextureUtils(this),this.occludedResolveCache=new Map}async init(e){await super.init(e);const t=this.parameters;let n;if(t.device===0[0]){const o={powerPreference:t.powerPreference,featureLevel:t.compatibilityMode?"compatibility":0[0]},e=typeof navigator!="undefined"?await navigator.gpu.requestAdapter(o):null;if(e===null)throw new Error("WebGPUBackend: Unable to create WebGPU adapter.");const i=Object.values(GPUFeatureName),s=[];for(const t of i)e.features.has(t)&&s.push(t);const a={requiredFeatures:s,requiredLimits:t.requiredLimits};n=await e.requestDevice(a)}else n=t.device;n.lost.then(t=>{if(t.reason==="destroyed")return;const n={api:"WebGPU",message:t.message||"Unknown reason",reason:t.reason||null,originalEvent:t};e.onDeviceLost(n)}),this.device=n,this.trackTimestamp=this.trackTimestamp&&this.hasFeature(GPUFeatureName.TimestampQuery),this.updateSize()}get context(){const t=this.renderer.getCanvasTarget(),n=this.get(t);let e=n.context;if(e===0[0]){const s=this.parameters;t.isDefaultCanvasTarget===!0&&s.context!==0[0]?e=s.context:e=t.domElement.getContext("webgpu"),"setAttribute"in t.domElement&&t.domElement.setAttribute("data-engine",`three.js r${REVISION} webgpu`);const o=s.alpha?"premultiplied":"opaque",i=s.outputType===HalfFloatType?"extended":"standard";e.configure({device:this.device,format:this.utils.getPreferredCanvasF

427ormat(),usage:GPUTextureUsage.RENDER_ATTACHMENT|GPUTextureUsage.COPY_SRC,alphaMode:o,toneMapping:{mode:i}}),n.context=e}return e}get coordinateSystem(){return WebGPUCoordinateSystem}async getArrayBufferAsync(e){return await this.attributeUtils.getArrayBufferAsync(e)}getContext(){return this.context}_getDefaultRenderPassDescriptor(){const t=this.renderer,i=t.getCanvasTarget(),n=this.get(i),s=t.currentSamples;let e=n.descriptor;if(e===0[0]||n.samples!==s){e={colorAttachments:[{view:null}]},(t.depth===!0||t.stencil===!0)&&(e.depthStencilAttachment={view:this.textureUtils.getDepthBuffer(t.depth,t.stencil).createView()});const o=e.colorAttachments[0];s>0?o.view=this.textureUtils.getColorBuffer().createView():o.resolveTarget=0[0],n.descriptor=e,n.samples=s}const o=e.colorAttachments[0];return s>0?o.resolveTarget=this.context.getCurrentTexture().createView():o.view=this.context.getCurrentTexture().createView(),e}_isRenderCameraDepthArray(e){return e.depthTexture&&e.depthTexture.image.depth>1&&e.camera.isArrayCamera}_getRenderPassDescriptor(e,t={}){const s=e.renderTarget,n=this.get(s);let i=n.descriptors;(i===0[0]||n.width!==s.width||n.height!==s.height||n.samples!==s.samples)&&(i={},n.descriptors=i);const r=e.getCacheKey();let o=i[r];if(o===0[0]){const t=e.textures,a=[];let c;const l=this._isRenderCameraDepthArray(e);for(let n=0;n<t.length;n++){const i=this.get(t[n]),o={label:`colorAttachment_${n}`,baseMipLevel:e.activeMipmapLevel,mipLevelCount:1,baseArrayLayer:e.activeCubeFace,arrayLayerCount:1,dimension:GPUTextureViewDimension.TwoD};if(s.isRenderTarget3D)c=e.activeCubeFace,o.baseArrayLayer=0,o.dimension=GPUTextureViewDimension.ThreeD,o.depthOrArrayLayers=t[n].image.depth;else if(s.isRenderTarget&&t[n].image.depth>1)if(l===!0){const t=e.camera.cameras;for(let e=0;e<t.length;e++){const n={...o,baseArrayLayer:e,arrayLayerCount:1,dimension:GPUTextureViewDimension.TwoD},s=i.texture.createView(n);a.push({view:s,resolveTarget:0[0],depthSlice:0[0]})}}else o.dimension=GPUTextureViewDimension.TwoDArray,o.depthOrArrayLayers=t[n].image.depth;if(l!==!0){const n=i.texture.createView(o);let e,t;i.msaaTexture!==0[0]?(e=i.msaaTexture.createView(),t=n):(e=n,t=0[0]),a.push({view:e,resolveTarget:t,depthSlice:c})}}if(o={textureViews:a},e.depth){const n=this.get(e.depthTexture),t={};(e.depthTexture.isArrayTexture||e.depthTexture.isCubeTexture)&&(t.dimension=GPUTextureViewDimension.TwoD,t.arrayLayerCount=1,t.baseArrayLayer=e.activeCubeFace),o.depthStencilView=n.texture.createView(t)}i[r]=o,n.width=s.width,n.height=s.height,n.samples=s.samples,n.activeMipmapLevel=e.activeMipmapLevel,n.activeCubeFace=e.activeCubeFace}const a={colorAttachments:[]};for(let e=0;e<o.textureViews.length;e++){const n=o.textureViews[e];let s={r:0,g:0,b:0,a:1};e===0&&t.clearValue&&(s=t.clearValue),a.colorAttachments.push({view:n.view,depthSlice:n.depthSlice,resolveTarget:n.resolveTarget,loadOp:t.loadOp||GPULoadOp.Load,storeOp:t.storeOp||GPUStoreOp.Store,clearValue:s})}return o.depthStencilView&&(a.depthStencilAttachment={view:o.depthStencilView}),a}beginRender(e){const t=this.get(e),a=this.device,o=e.occlusionQueryCount;let i;o>0&&(t.currentOcclusionQuerySet&&t.currentOcclusionQuerySet.destroy(),t.currentOcclusionQueryBuffer&&t.currentOcclusionQueryBuffer.destroy(),t.currentOcclusionQuerySet=t.occlusionQuerySet,t.currentOcclusionQueryBuffer=t.occlusionQueryBuffer,t.currentOcclusionQueryObjects=t.occlusionQueryObjects,i=a.createQuerySet({type:"occlusion",count:o,label:`occlusionQuerySet_${e.id}`}),t.occlusionQuerySet=i,t.occlusionQueryIndex=0,t.occlusionQueryObjects=new Array(o),t.lastOcclusionObject=null);let n;e.textures===null?n=this._getDefaultRenderPassDescriptor():n=this._getRenderPassDescriptor(e,{loadOp:GPULoadOp.Load}),this.initTimestampQuery(TimestampQuery.RENDER,this.getTimestampUID(e),n),n.occlusionQuerySet=i;const s=n.depthStencilAttachment;if(e.textures!==null){const t=n.colorAttachments;for(let n=0;n<t.length;n++){const s=t[n];e.clearColor?(s.clearValue=n===0?e.clearColorValue:{r:0,g:0,b:0,a:1},s.loadOp=GPULoadOp.Clear):s.loadOp=GPULoadOp.Load,s.storeOp=GPUStoreOp.Store}}else{const t=n.colorAttachments[0];e.clearColor?(t.clearValue=e.clearColorValue,t.loadOp=GPULoadOp.Clear):t.loadOp=GPULoadOp.Load,t.storeOp=GPUStoreOp.Store}e.depth&&(e.clearDepth?(s.depthClearValue=e.clearDepthValue,s.depthLoadOp=GPULoadOp.Clear):s.depthLoadOp=GPULoadOp.Load,s.depthStoreOp=GPUStoreOp.Store),e.stencil&&(e.clearStencil?(s.stencilClearValue=e.clearStencilValue,s.stencilLoadOp=GPULoadOp.Clear):s.stencilLoadOp=GPULoadOp.Load,s.stencilStoreOp=GPUStoreOp.Store);const r=a.createCommandEncoder({label:"renderContext_"+e.id});if(this._isRenderCameraDepthArray(e)===!0){const s=e.camera.cameras;!t.layerDescriptors||t.layerDescriptors.length!==s.length?this._createDepthLayerDescriptors(e,t,n,s):this._updateDepthLayerDescriptors(e,t,s),t.bundleEncoders=[],t.bundleSets=[];for(let n=0;n<s.length;n++){const o=this.pipelineUtils.createBundleEncoder(e,"renderBundleArrayCamera_"+n),i={attributes:{},bindingGroups:[],pipeline:null,index:null};t.bundleEncoders.push(o),t.bundleSets.push(i)}t.currentPass=null}else{const s=r.beginRenderPass(n);t.currentPass=s,e.viewport&&this.updateViewport(e),e.scissor&&this.updateScissor(e)}

427t.descriptor=n,t.encoder=r,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.renderBundles=[]}_createDepthLayerDescriptors(e,t,n,s){const o=n.depthStencilAttachment;t.layerDescriptors=[];const i=this.get(e.depthTexture);i.viewCache||(i.viewCache=[]);for(let r=0;r<s.length;r++){const a={...n,colorAttachments:[{...n.colorAttachments[0],view:n.colorAttachments[r].view}]};if(n.depthStencilAttachment){const t=r;i.viewCache[t]||(i.viewCache[t]=i.texture.createView({dimension:GPUTextureViewDimension.TwoD,baseArrayLayer:r,arrayLayerCount:1})),a.depthStencilAttachment={view:i.viewCache[t],depthLoadOp:o.depthLoadOp||GPULoadOp.Clear,depthStoreOp:o.depthStoreOp||GPUStoreOp.Store,depthClearValue:o.depthClearValue||1},e.stencil&&(a.depthStencilAttachment.stencilLoadOp=o.stencilLoadOp,a.depthStencilAttachment.stencilStoreOp=o.stencilStoreOp,a.depthStencilAttachment.stencilClearValue=o.stencilClearValue)}else a.depthStencilAttachment={...o};t.layerDescriptors.push(a)}}_updateDepthLayerDescriptors(e,t,n){for(let s=0;s<n.length;s++){const o=t.layerDescriptors[s];if(o.depthStencilAttachment){const t=o.depthStencilAttachment;e.depth&&(e.clearDepth?(t.depthClearValue=e.clearDepthValue,t.depthLoadOp=GPULoadOp.Clear):t.depthLoadOp=GPULoadOp.Load),e.stencil&&(e.clearStencil?(t.stencilClearValue=e.clearStencilValue,t.stencilLoadOp=GPULoadOp.Clear):t.stencilLoadOp=GPULoadOp.Load)}}}finishRender(e){const t=this.get(e),n=e.occlusionQueryCount;t.renderBundles.length>0&&t.currentPass.executeBundles(t.renderBundles),n>t.occlusionQueryIndex&&t.currentPass.endOcclusionQuery();const s=t.encoder;if(this._isRenderCameraDepthArray(e)===!0){{const n=[];for(let e=0;e<t.bundleEncoders.length;e++){const s=t.bundleEncoders[e];n.push(s.finish())}for(let o=0;o<t.layerDescriptors.length;o++)if(o<n.length){const a=t.layerDescriptors[o],i=s.beginRenderPass(a);if(e.viewport){const{x:t,y:n,width:s,height:o,minDepth:a,maxDepth:r}=e.viewportValue;i.setViewport(t,n,s,o,a,r)}if(e.scissor){const{x:t,y:n,width:s,height:o}=e.scissorValue;i.setScissorRect(t,n,s,o)}i.executeBundles([n[o]]),i.end()}}}else t.currentPass&&t.currentPass.end();if(n>0){const s=n*8;let o=this.occludedResolveCache.get(s);o===0[0]&&(o=this.device.createBuffer({size:s,usage:GPUBufferUsage.QUERY_RESOLVE|GPUBufferUsage.COPY_SRC}),this.occludedResolveCache.set(s,o));const i=this.device.createBuffer({size:s,usage:GPUBufferUsage.COPY_DST|GPUBufferUsage.MAP_READ});t.encoder.resolveQuerySet(t.occlusionQuerySet,0,n,o,0),t.encoder.copyBufferToBuffer(o,0,i,0,s),t.occlusionQueryBuffer=i,this.resolveOccludedAsync(e)}if(this.device.queue.submit([t.encoder.finish()]),e.textures!==null){const t=e.textures;for(let e=0;e<t.length;e++){const n=t[e];n.generateMipmaps===!0&&this.textureUtils.generateMipmaps(n)}}}isOccluded(e,t){const n=this.get(e);return n.occluded&&n.occluded.has(t)}async resolveOccludedAsync(e){const t=this.get(e),{currentOcclusionQueryBuffer:n,currentOcclusionQueryObjects:s}=t;if(n&&s){const e=new WeakSet;t.currentOcclusionQueryObjects=null,t.currentOcclusionQueryBuffer=null,await n.mapAsync(GPUMapMode.READ);const o=n.getMappedRange(),i=new BigUint64Array(o);for(let t=0;t<s.length;t++)i[t]===BigInt(0)&&e.add(s[t]);n.destroy(),t.occluded=e}}updateViewport(e){const{currentPass:t}=this.get(e),{x:n,y:s,width:o,height:i,minDepth:a,maxDepth:r}=e.viewportValue;t.setViewport(n,s,o,i,a,r)}updateScissor(e){const{currentPass:t}=this.get(e),{x:n,y:s,width:o,height:i}=e.scissorValue;t.setScissorRect(n,s,o,i)}getClearColor(){const e=super.getClearColor();return this.renderer.alpha===!0&&(e.r*=e.a,e.g*=e.a,e.b*=e.a),e}clear(e,t,n,s=null){const d=this.device,i=this.renderer;let c=[],o,l,a,r;if(e){const e=this.getClearColor();l={r:e.r,g:e.g,b:e.b,a:e.a}}if(s===null){a=i.depth,r=i.stencil;const t=this._getDefaultRenderPassDescriptor();if(e){c=t.colorAttachments;const e=c[0];e.clearValue=l,e.loadOp=GPULoadOp.Clear,e.storeOp=GPUStoreOp.Store}(a||r)&&(o=t.depthStencilAttachment)}else{a=s.depth,r=s.stencil;const d={loadOp:e?GPULoadOp.Clear:GPULoadOp.Load,clearValue:e?l:0[0]};a&&(d.depthLoadOp=t?GPULoadOp.Clear:GPULoadOp.Load,d.depthClearValue=t?i.getClearDepth():0[0],d.depthStoreOp=GPUStoreOp.Store),r&&(d.stencilLoadOp=n?GPULoadOp.Clear:GPULoadOp.Load,d.stencilClearValue=n?i.getClearStencil():0[0],d.stencilStoreOp=GPUStoreOp.Store);const u=this._getRenderPassDescriptor(s,d);c=u.colorAttachments,o=u.depthStencilAttachment}a&&o&&(t?(o.depthLoadOp=GPULoadOp.Clear,o.depthClearValue=i.getClearDepth(),o.depthStoreOp=GPUStoreOp.Store):(o.depthLoadOp=GPULoadOp.Load,o.depthStoreOp=GPUStoreOp.Store)),r&&o&&(n?(o.stencilLoadOp=GPULoadOp.Clear,o.stencilClearValue=i.getClearStencil(),o.stencilStoreOp=GPUStoreOp.Store):(o.stencilLoadOp=GPULoadOp.Load,o.stencilStoreOp=GPUStoreOp.Store));const u=d.createCommandEncoder({label:"clear"}),h=u.beginRenderPass({colorAttachments:c,depthStencilAttachment:o});h.end(),d.queue.submit([u.finish()])}beginCompute(e){const t=this.get(e),n={label:"computeGroup_"+e.id};this.initTimestampQuery(TimestampQuery.COMPUTE,this.getTimestampUID(e),n),t.cmdEncoderGPU=this.device.createCommandEncoder({label:"computeGroup_"+e.id}),t.passEncoderGPU=t.cmdEncoderGPU.beginComputePass(n)}compute(e,t,n,s,o=null){const i=this.get(t),{passEncoderGPU:a}=this.get(e),r=this.get(s).pipeline;this.pipelineUtils.setPipeline(a,r);for(let e=0,t=n.length;e<t;e++){const s=n[e],o=this.get(s);a.setBindGroup(e,o.group)}if(o===null&&(o=t.count),o&&typeof o=="object"&&o.isIndirectStorageBufferAttribute){const e=this.get(o).buffer;a.dispatchWorkgroupsIndirect(e,0);return}if(typeof o=="number"){const e=o;if(i.dispatchSize===0[0]||i.count!==e){i.dispatchSize=[0,1,1],i.count=e;const s=t.workgroupSize;let r=s[0];for(let e=1;e<s.length;e++)r*=s[e];const n=Math.ceil(e/r),a=this.device.limits.maxComputeWorkgroupsPerDimension;o=[n,1,1],n>a&&(o[0]=Math.min(n,a),o[1]=Math.ceil(n/a)),i.dispatchSize=o}o=i.dispatchSize}a.dispatchWorkgroups(o[0],o[1]||1,o[2]||1)}finishCompute(e){const t=this.get(e);t.passEncoderGPU.end(),this.device.queue.submit([t.cmdEncoderGPU.finish()])}draw(e,t){const{object:s,material:i,context:a,pipeline:m}=e,u=e.getBindings(),n=this.get(a),l=this.get(m),d=l.pipeline;if(l.error===!0)return;const o=e.getIndex(),c=o!==null,r=e.getDrawParameters();if(r===null)return;const f=(t,s)=>{this.pipelineUtils.setPipeline(t,d),s.pipeline=d;const r=s.bindingGroups;for(let n=0,s=u.length;n<s;n++){const e=u[n],o=this.get(e);r[e.index]!==e.id&&(t.setBindGroup(e.index,o.group),r[e.index]=e.id)}if(c===!0&&s.index!==o){const e=this.get(o).buffer,n=o.array instanceof Uint16Array?GPUIndexFormat.Uint16:GPUIndexFormat.Uint32;t.setIndexBuffer(e,n),s.index=o}const l=e.getVertexBuffers();for(let e=0,o=l.length;e<o;e++){const n=l[e];

427if(s.attributes[e]!==n){const o=this.get(n).buffer;t.setVertexBuffer(e,o),s.attributes[e]=n}}a.stencil===!0&&i.stencilWrite===!0&&n.currentStencilRef!==i.stencilRef&&(t.setStencilReference(i.stencilRef),n.currentStencilRef=i.stencilRef)},h=(n,i)=>{if(f(n,i),s.isBatchedMesh===!0){const a=s._multiDrawStarts,e=s._multiDrawCounts,r=s._multiDrawCount,i=s._multiDrawInstances;i!==null&&warnOnce("WebGPUBackend: renderMultiDrawInstances has been deprecated and will be removed in r184. Append to renderMultiDraw arguments and use indirection.");for(let l=0;l<r;l++){const d=i?i[l]:1,u=d>1?0:l;c===!0?n.drawIndexed(e[l],d,a[l]/o.array.BYTES_PER_ELEMENT,0,u):n.draw(e[l],d,a[l],u),t.update(s,e[l],d)}}else if(c===!0){const{vertexCount:o,instanceCount:i,firstVertex:c}=r,a=e.getIndirect();if(a!==null){const o=this.get(a).buffer,t=e.getIndirectOffset(),s=Array.isArray(t)?t:[t];for(let e=0;e<s.length;e++)n.drawIndexedIndirect(o,s[e])}else n.drawIndexed(o,i,c,0,0);t.update(s,o,i)}else{const{vertexCount:o,instanceCount:i,firstVertex:c}=r,a=e.getIndirect();if(a!==null){const o=this.get(a).buffer,t=e.getIndirectOffset(),s=Array.isArray(t)?t:[t];for(let e=0;e<s.length;e++)n.drawIndirect(o,s[e])}else n.draw(o,i,c,0);t.update(s,o,i)}};if(e.camera.isArrayCamera&&e.camera.cameras.length>0){{const t=this.get(e.camera),i=e.camera.cameras,o=e.getBindingGroup("cameraIndex");if(t.indexesGPU===0[0]||t.indexesGPU.length!==i.length){const s=this.get(o),e=[],n=new Uint32Array([0,0,0,0]);for(let t=0,o=i.length;t<o;t++){n[0]=t;const{layoutGPU:a}=s.layout,r=this.bindingUtils.createBindGroupIndex(n,a);e.push(r)}t.indexesGPU=e}const r=this.renderer.getPixelRatio();for(let e=0,l=i.length;e<l;e++){const c=i[e];if(s.layers.test(c.layers)){const s=c.viewport;let i=n.currentPass,l=n.currentSets;if(n.bundleEncoders){const t=n.bundleEncoders[e],s=n.bundleSets[e];i=t,l=s}s&&i.setViewport(Math.floor(s.x*r),Math.floor(s.y*r),Math.floor(s.width*r),Math.floor(s.height*r),a.viewportValue.minDepth,a.viewportValue.maxDepth),o&&t.indexesGPU&&(i.setBindGroup(o.index,t.indexesGPU[e]),l.bindingGroups[o.index]=o.id),h(i,l)}}}}else if(n.currentPass){if(n.occlusionQuerySet!==0[0]){const e=n.lastOcclusionObject;e!==s&&(e!==null&&e.occlusionTest===!0&&(n.currentPass.endOcclusionQuery(),n.occlusionQueryIndex++),s.occlusionTest===!0&&(n.currentPass.beginOcclusionQuery(n.occlusionQueryIndex),n.occlusionQueryObjects[n.occlusionQueryIndex]=s),n.lastOcclusionObject=s)}h(n.currentPass,n.currentSets)}}needsRenderUpdate(e){const t=this.get(e),{object:d,material:n}=e,s=this.utils,o=s.getSampleCountRenderContext(e.context),i=s.getCurrentColorSpace(e.context),a=s.getCurrentColorFormat(e.context),r=s.getCurrentDepthStencilFormat(e.context),c=s.getPrimitiveTopology(d,n);let l=!1;return(t.material!==n||t.materialVersion!==n.version||t.transparent!==n.transparent||t.blending!==n.blending||t.premultipliedAlpha!==n.premultipliedAlpha||t.blendSrc!==n.blendSrc||t.blendDst!==n.blendDst||t.blendEquation!==n.blendEquation||t.blendSrcAlpha!==n.blendSrcAlpha||t.blendDstAlpha!==n.blendDstAlpha||t.blendEquationAlpha!==n.blendEquationAlpha||t.colorWrite!==n.colorWrite||t.depthWrite!==n.depthWrite||t.depthTest!==n.depthTest||t.depthFunc!==n.depthFunc||t.stencilWrite!==n.stencilWrite||t.stencilFunc!==n.stencilFunc||t.stencilFail!==n.stencilFail||t.stencilZFail!==n.stencilZFail||t.stencilZPass!==n.stencilZPass||t.stencilFuncMask!==n.stencilFuncMask||t.stencilWriteMask!==n.stencilWriteMask||t.side!==n.side||t.alphaToCoverage!==n.alphaToCoverage||t.sampleCount!==o||t.colorSpace!==i||t.colorFormat!==a||t.depthStencilFormat!==r||t.primitiveTopology!==c||t.clippingContextCacheKey!==e.clippingContextCacheKey)&&(t.material=n,t.materialVersion=n.version,t.transparent=n.transparent,t.blending=n.blending,t.premultipliedAlpha=n.premultipliedAlpha,t.blendSrc=n.blendSrc,t.blendDst=n.blendDst,t.blendEquation=n.blendEquation,t.blendSrcAlpha=n.blendSrcAlpha,t.blendDstAlpha=n.blendDstAlpha,t.blendEquationAlpha=n.blendEquationAlpha,t.colorWrite=n.colorWrite,t.depthWrite=n.depthWrite,t.depthTest=n.depthTest,t.depthFunc=n.depthFunc,t.stencilWrite=n.stencilWrite,t.stencilFunc=n.stencilFunc,t.stencilFail=n.stencilFail,t.stencilZFail=n.stencilZFail,t.stencilZPass=n.stencilZPass,t.stencilFuncMask=n.stencilFuncMask,t.stencilWriteMask=n.stencilWriteMask,t.side=n.side,t.alphaToCoverage=n.alphaToCoverage,t.sampleC

427ount=o,t.colorSpace=i,t.colorFormat=a,t.depthStencilFormat=r,t.primitiveTopology=c,t.clippingContextCacheKey=e.clippingContextCacheKey,l=!0),l}getRenderCacheKey(e){const{object:o,material:t}=e,n=this.utils,s=e.context,i=o.isMesh&&o.matrixWorld.determinant()<0;return[t.transparent,t.blending,t.premultipliedAlpha,t.blendSrc,t.blendDst,t.blendEquation,t.blendSrcAlpha,t.blendDstAlpha,t.blendEquationAlpha,t.colorWrite,t.depthWrite,t.depthTest,t.depthFunc,t.stencilWrite,t.stencilFunc,t.stencilFail,t.stencilZFail,t.stencilZPass,t.stencilFuncMask,t.stencilWriteMask,t.side,i,n.getSampleCountRenderContext(s),n.getCurrentColorSpace(s),n.getCurrentColorFormat(s),n.getCurrentDepthStencilFormat(s),n.getPrimitiveTopology(o,t),e.getGeometryCacheKey(),e.clippingContextCacheKey].join()}updateSampler(e){return this.textureUtils.updateSampler(e)}createDefaultTexture(e){return this.textureUtils.createDefaultTexture(e)}createTexture(e,t){this.textureUtils.createTexture(e,t)}updateTexture(e,t){this.textureUtils.updateTexture(e,t)}generateMipmaps(e){this.textureUtils.generateMipmaps(e)}destroyTexture(e,t=!1){this.textureUtils.destroyTexture(e,t)}async copyTextureToBuffer(e,t,n,s,o,i){return this.textureUtils.copyTextureToBuffer(e,t,n,s,o,i)}initTimestampQuery(e,t,n){if(!this.trackTimestamp)return;this.timestampQueryPool[e]||(this.timestampQueryPool[e]=new WebGPUTimestampQueryPool(this.device,e,2048));const s=this.timestampQueryPool[e],o=s.allocateQueriesForContext(t);n.timestampWrites={querySet:s.querySet,beginningOfPassWriteIndex:o,endOfPassWriteIndex:o+1}}createNodeBuilder(e,t){return new WGSLNodeBuilder(e,t)}createProgram(e){const t=this.get(e);t.module={module:this.device.createShaderModule({code:e.code,label:e.stage+(e.name!==""?`_${e.name}`:"")}),entryPoint:"main"}}destroyProgram(e){this.delete(e)}createRenderPipeline(e,t){this.pipelineUtils.createRenderPipeline(e,t)}createComputePipeline(e,t){this.pipelineUtils.createComputePipeline(e,t)}beginBundle(e){const t=this.get(e);t._currentPass=t.currentPass,t._currentSets=t.currentSets,t.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.currentPass=this.pipelineUtils.createBundleEncoder(e)}finishBundle(e,t){const n=this.get(e),s=n.currentPass,o=s.finish();this.get(t).bundleGPU=o,n.currentSets=n._currentSets,n.currentPass=n._currentPass}addBundle(e,t){const n=this.get(e);n.renderBundles.push(this.get(t).bundleGPU)}createBindings(e,t,n,s){this.bindingUtils.createBindings(e,t,n,s)}updateBindings(e,t,n,s){this.bindingUtils.createBindings(e,t,n,s)}updateBinding(e){this.bindingUtils.updateBinding(e)}deleteBindGroupData(e){this.bindingUtils.deleteBindGroupData(e)}createIndexAttribute(e){let t=GPUBufferUsage.INDEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST;(e.isStorageBufferAttribute||e.isStorageInstancedBufferAttribute)&&(t|=GPUBufferUsage.STORAGE),this.attributeUtils.createAttribute(e,t)}createAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.VERTEX|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}createIndirectStorageAttribute(e){this.attributeUtils.createAttribute(e,GPUBufferUsage.STORAGE|GPUBufferUsage.INDIRECT|GPUBufferUsage.COPY_SRC|GPUBufferUsage.COPY_DST)}updateAttribute(e){this.attributeUtils.updateAttribute(e)}destroyAttribute(e){this.attributeUtils.destroyAttribute(e)}updateSize(){this.delete(this.renderer.getCanvasTarget())}getMaxAnisotropy(){return 16}hasFeature(e){return GPUFeatureMap[e]!==0[0]&&(e=GPUFeatureMap[e]),this.device.features.has(e)}copyTextureToTexture(e,t,n=null,s=null,o=0,i=0){let u=0,h=0,m=0,a=0,r=0,f=0,c=e.image.width,l=e.image.height,d=1;n!==null&&(n.isBox3===!0?(a=n.min.x,r=n.min.y,f=n.min.z,c=n.max.x-n.min.x,l=n.max.y-n.min.y,d=n.max.z-n.min.z):(a=n.min.x,r=n.min.y,c=n.max.x-n.min.x,l=n.max.y-n.min.y,d=1)),s!==null&&(u=s.x,h=s.y,m=s.z||0);const p=this.device.createCommandEncoder({label:"copyTextureToTexture_"+e.id+"_"+t.id}),g=this.get(e).texture,v=this.get(t).texture;p.copyTextureToTexture({texture:g,mipLevel:o,origin:{x:a,y:r,z:f}},{texture:v,mipLevel:i,origin:{x:u,y:h,z:m}},[c,l,d]),this.device.queue.submit([p.finish()]),i===0&&t.generateMipmaps&&this.textureUtils.generateMipmaps(t)}copyFramebufferToTexture(e,t,n){const s=this.get(t);let o=null;t.renderTarget?e.isDepthTexture?o=this.get(t.depthTexture).texture:o=this.get(t.textures[0]).texture:e.isDepthTexture?o=this.textureUtils.getDepthBuffer(t.depth,t.stencil):o=this.context.getCurrentTexture();const a=this.get(e).texture;if(o.format!==a.format){error("WebGPUBackend: copyFramebufferToTexture: Source and destination formats do not match.",o.format,a.format);return}let i;if(s.currentPass?(s.currentPass.end(),i=s.encoder):i=this.device.createCommandEncoder({label:"copyFramebufferToTexture_"+e.id}),i.copyTextureToTexture({texture:o,origin:[n.x,n.y,0]},{texture:a},[n.z,n.w]),e.generateMipmaps&&this.textureUtils.generateMipmaps(e,i),s.currentPass){const{descriptor:e}=s;for(let t=0;t<e.colorAttachments.length;t++)e.colorAttachments[t].loadOp=GPULoadOp.Load;t.depth&&(e.depthStencilAttachment.depthLoadOp=GPULoadOp.Load),t.stencil&&(e.depthStencilAttachment.stencilLoadOp=GPULoadOp.Load),s.currentPass=i.beginRenderPass(e),s.currentSets={attributes:{},bindingGroups:[],pipeline:null,index:null},t.viewport&&this.updateViewport(t),t.scissor&&this.updateScissor(t)}

427else this.device.queue.submit([i.finish()])}dispose(){if(this.bindingUtils.dispose(),this.textureUtils.dispose(),this.occludedResolveCache){for(const e of this.occludedResolveCache.values())e.destroy();this.occludedResolveCache.clear()}if(this.timestampQueryPool)for(const e of Object.values(this.timestampQueryPool))e!==null&&e.dispose();this.parameters.device===0[0]&&this.device!==null&&this.device.destroy()}}class IESSpotLight extends SpotLight{constructor(e,t,n,s,o,i){super(e,t,n,s,o,i),this.iesMap=null}copy(e,t){return super.copy(e,t),this.iesMap=e.iesMap,this}}class ProjectorLight extends SpotLight{constructor(e,t,n,s,o,i){super(e,t,n,s,o,i),this.aspect=null}copy(e,t){return super.copy(e,t),this.aspect=e.aspect,this}}class StandardNodeLibrary extends NodeLibrary{constructor(){super(),this.addMaterial(MeshPhongNodeMaterial,"MeshPhongMaterial"),this.addMaterial(MeshStandardNodeMaterial,"MeshStandardMaterial"),this.addMaterial(MeshPhysicalNodeMaterial,"MeshPhysicalMaterial"),this.addMaterial(MeshToonNodeMaterial,"MeshToonMaterial"),this.addMaterial(MeshBasicNodeMaterial,"MeshBasicMaterial"),this.addMaterial(MeshLambertNodeMaterial,"MeshLambertMaterial"),this.addMaterial(MeshNormalNodeMaterial,"MeshNormalMaterial"),this.addMaterial(MeshMatcapNodeMaterial,"MeshMatcapMaterial"),this.addMaterial(LineBasicNodeMaterial,"LineBasicMaterial"),this.addMaterial(LineDashedNodeMaterial,"LineDashedMaterial"),this.addMaterial(PointsNodeMaterial,"PointsMaterial"),this.addMaterial(SpriteNodeMaterial,"SpriteMaterial"),this.addMaterial(ShadowNodeMaterial,"ShadowMaterial"),this.addLight(PointLightNode,PointLight),this.addLight(DirectionalLightNode,DirectionalLight),this.addLight(RectAreaLightNode,RectAreaLight),this.addLight(SpotLightNode,SpotLight),this.addLight(AmbientLightNode,AmbientLight),this.addLight(HemisphereLightNode,HemisphereLight),this.addLight(LightProbeNode,LightProbe),this.addLight(IESSpotLightNode,IESSpotLight),this.addLight(ProjectorLightNode,ProjectorLight),this.addToneMapping(linearToneMapping,LinearToneMapping),this.addToneMapping(reinhardToneMapping,ReinhardToneMapping),this.addToneMapping(cineonToneMapping,CineonToneMapping),this.addToneMapping(acesFilmicToneMapping,ACESFilmicToneMapping),this.addToneMapping(agxToneMapping,AgXToneMapping),this.addToneMapping(neutralToneMapping,NeutralToneMapping)}}class WebGPURenderer extends Renderer{constructor(e={}){let t;e.forceWebGL?t=WebGLBackend:(t=WebGPUBackend,e.getFallback=()=>(warn("WebGPURenderer: WebGPU is not available, running under WebGL2 backend."),new WebGLBackend(e)));const n=new t(e);super(n,e),this.library=new StandardNodeLibrary,this.isWebGPURenderer=!0,typeof __THREE_DEVTOOLS__!="undefined"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}}alphahash_fragment=`#ifdef USE_ALPHAHASH
428	if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;
429#endif`,alphahash_pars_fragment=`#ifdef USE_ALPHAHASH
430	const float ALPHA_HASH_SCALE = 0.05;
431	float hash2D( vec2 value ) {
432		return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );
433	}
434	float hash3D( vec3 value ) {
435		return hash2D( vec2( hash2D( value.xy ), value.z ) );
436	}
437	float getAlphaHashThreshold( vec3 position ) {
438		float maxDeriv = max(
439			length( dFdx( position.xyz ) ),
440			length( dFdy( position.xyz ) )
441		);
442		float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );
443		vec2 pixScales = vec2(
444			exp2( floor( log2( pixScale ) ) ),
445			exp2( ceil( log2( pixScale ) ) )
446		);
447		vec2 alpha = vec2(
448			hash3D( floor( pixScales.x * position.xyz ) ),
449			hash3D( floor( pixScales.y * position.xyz ) )
450		);
451		float lerpFactor = fract( log2( pixScale ) );
452		float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;
453		float a = min( lerpFactor, 1.0 - lerpFactor );
454		vec3 cases = vec3(
455			x * x / ( 2.0 * a * ( 1.0 - a ) ),
456			( x - 0.5 * a ) / ( 1.0 - a ),
457			1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )
458		);
459		float threshold = ( x < ( 1.0 - a ) )
460			? ( ( x < a ) ? cases.x : cases.y )
461			: cases.z;
462		return clamp( threshold , 1.0e-6, 1.0 );
463	}
464#endif`,alphamap_fragment=`#ifdef USE_ALPHAMAP
465	diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;
466#endif`,alphamap_pars_fragment=`#ifdef USE_ALPHAMAP
467	uniform sampler2D alphaMap;
468#endif`,alphatest_fragment=`#ifdef USE_ALPHATEST
469	#ifdef ALPHA_TO_COVERAGE
470	diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );
471	if ( diffuseColor.a == 0.0 ) discard;
472	#else
473	if ( diffuseColor.a < alphaTest ) discard;
474	#endif
475#endif`,alphatest_pars_fragment=`#ifdef USE_ALPHATEST
476	uniform float alphaTest;
477#endif`,aomap_fragment=`#ifdef USE_AOMAP
478	float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;
479	reflectedLight.indirectDiffuse *= ambientOcclusion;
480	#if defined( USE_CLEARCOAT ) 
481		clearcoatSpecularIndirect *= ambientOcclusion;
482	#endif
483	#if defined( USE_SHEEN ) 
484		sheenSpecularIndirect *= ambientOcclusion;
485	#endif
486	#if defined( USE_ENVMAP ) && defined( STANDARD )

487		float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );
488		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
489	#endif
490#endif`,aomap_pars_fragment=`#ifdef USE_AOMAP
491	uniform sampler2D aoMap;
492	uniform float aoMapIntensity;
493#endif`,batching_pars_vertex=`#ifdef USE_BATCHING
494	#if ! defined( GL_ANGLE_multi_draw )
495	#define gl_DrawID _gl_DrawID
496	uniform int _gl_DrawID;
497	#endif
498	uniform highp sampler2D batchingTexture;
499	uniform highp usampler2D batchingIdTexture;
500	mat4 getBatchingMatrix( const in float i ) {
501		int size = textureSize( batchingTexture, 0 ).x;
502		int j = int( i ) * 4;
503		int x = j % size;
504		int y = j / size;
505		vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );
506		vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );
507		vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );
508		vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );
509		return mat4( v1, v2, v3, v4 );
510	}
511	float getIndirectIndex( const in int i ) {
512		int size = textureSize( batchingIdTexture, 0 ).x;
513		int x = i % size;
514		int y = i / size;
515		return float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );
516	}
517#endif
518#ifdef USE_BATCHING_COLOR
519	uniform sampler2D batchingColorTexture;
520	vec3 getBatchingColor( const in float i ) {
521		int size = textureSize( batchingColorTexture, 0 ).x;
522		int j = int( i );
523		int x = j % size;
524		int y = j / size;
525		return texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;
526	}
527#endif`,batching_vertex=`#ifdef USE_BATCHING
528	mat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );
529#endif`,begin_vertex=`vec3 transformed = vec3( position );
530#ifdef USE_ALPHAHASH
531	vPosition = vec3( position );
532#endif`,beginnormal_vertex=`vec3 objectNormal = vec3( normal );
533#ifdef USE_TANGENT
534	vec3 objectTangent = vec3( tangent.xyz );
535#endif`,bsdfs=`float G_BlinnPhong_Implicit( ) {
536	return 0.25;
537}
538float D_BlinnPhong( const in float shininess, const in float dotNH ) {
539	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
540}
541vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
542	vec3 halfDir = normalize( lightDir + viewDir );
543	float dotNH = saturate( dot( normal, halfDir ) );
544	float dotVH = saturate( dot( viewDir, halfDir ) );
545	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
546	float G = G_BlinnPhong_Implicit( );
547	float D = D_BlinnPhong( shininess, dotNH );
548	return F * ( G * D );
549} // validated`,iridescence_fragment=`#ifdef USE_IRIDESCENCE
550	const mat3 XYZ_TO_REC709 = mat3(
551		 3.2404542, -0.9692660,  0.0556434,
552		-1.5371385,  1.8760108, -0.2040259,
553		-0.4985314,  0.0415560,  1.0572252
554	);
555	vec3 Fresnel0ToIor( vec3 fresnel0 ) {
556		vec3 sqrtF0 = sqrt( fresnel0 );
557		return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );
558	}
559	vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {
560		return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );
561	}
562	float IorToFresnel0( float transmittedIor, float incidentIor ) {
563		return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));
564	}
565	vec3 evalSensitivity( float OPD, vec3 shift ) {
566		float phase = 2.0 * PI * OPD * 1.0e-9;
567		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );
568		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );
569		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );
570		vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );
571		xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );
572		xyz /= 1.0685e-7;
573		vec3 rgb = XYZ_TO_REC709 * xyz;
574		return rgb;
575	}
576	vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {
577		vec3 I;
578		float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );
579		float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );
580		float cosTheta2Sq = 1.0 - sinTheta2Sq;
581		if ( cosTheta2Sq < 0.0 ) {
582			return vec3( 1.0 );
583		}
584		float cosTheta2 = sqrt( cosTheta2Sq );
585		float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );

586		float R12 = F_Schlick( R0, 1.0, cosTheta1 );
587		float T121 = 1.0 - R12;
588		float phi12 = 0.0;
589		if ( iridescenceIOR < outsideIOR ) phi12 = PI;
590		float phi21 = PI - phi12;
591		vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );		vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );
592		vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );
593		vec3 phi23 = vec3( 0.0 );
594		if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;
595		if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;
596		if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;
597		float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;
598		vec3 phi = vec3( phi21 ) + phi23;
599		vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );
600		vec3 r123 = sqrt( R123 );
601		vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );
602		vec3 C0 = R12 + Rs;
603		I = C0;
604		vec3 Cm = Rs - T121;
605		for ( int m = 1; m <= 2; ++ m ) {
606			Cm *= r123;
607			vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );
608			I += Cm * Sm;
609		}
610		return max( I, vec3( 0.0 ) );
611	}
612#endif`,bumpmap_pars_fragment=`#ifdef USE_BUMPMAP
613	uniform sampler2D bumpMap;
614	uniform float bumpScale;
615	vec2 dHdxy_fwd() {
616		vec2 dSTdx = dFdx( vBumpMapUv );
617		vec2 dSTdy = dFdy( vBumpMapUv );
618		float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;
619		float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;
620		float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;
621		return vec2( dBx, dBy );
622	}
623	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {
624		vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );
625		vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );
626		vec3 vN = surf_norm;
627		vec3 R1 = cross( vSigmaY, vN );
628		vec3 R2 = cross( vN, vSigmaX );
629		float fDet = dot( vSigmaX, R1 ) * faceDirection;
630		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
631		return normalize( abs( fDet ) * surf_norm - vGrad );
632	}
633#endif`,clipping_planes_fragment=`#if NUM_CLIPPING_PLANES > 0
634	vec4 plane;
635	#ifdef ALPHA_TO_COVERAGE
636		float distanceToPlane, distanceGradient;
637		float clipOpacity = 1.0;
638		#pragma unroll_loop_start
639		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
640			plane = clippingPlanes[ i ];
641			distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
642			distanceGradient = fwidth( distanceToPlane ) / 2.0;
643			clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
644			if ( clipOpacity == 0.0 ) discard;
645		}
646		#pragma unroll_loop_end
647		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
648			float unionClipOpacity = 1.0;
649			#pragma unroll_loop_start
650			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
651				plane = clippingPlanes[ i ];
652				distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
653				distanceGradient = fwidth( distanceToPlane ) / 2.0;
654				unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
655			}
656			#pragma unroll_loop_end
657			clipOpacity *= 1.0 - unionClipOpacity;
658		#endif
659		diffuseColor.a *= clipOpacity;
660		if ( diffuseColor.a == 0.0 ) discard;
661	#else
662		#pragma unroll_loop_start
663		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
664			plane = clippingPlanes[ i ];
665			if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;
666		}
667		#pragma unroll_loop_end
668		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
669			bool clipped = true;
670			#pragma unroll_loop_start
671			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
672				plane = clippingPlanes[ i ];
673				clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;
674			}
675			#pragma unroll_loop_end
676			if ( clipped ) discard;
677		#endif
678	#endif
679#endif`,clipping_planes_pars_fragment=`#if NUM_CLIPPING_PLANES > 0
680	varying vec3 vClipPosition;
681	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
682#endif`,clipping_planes_pars_vertex=`#if NUM_CLIPPING_PLANES > 0
683	varying vec3 vClipPosition;
684#endif`,clipping_planes_vertex=`#if NUM_CLIPPING_PLANES > 0
685	vClipPosition = - mvPosition.xyz;
686#endif`,color_fragment=`#if defined( USE_COLOR_ALPHA )
687	diffuseColor *= vColor;
688#elif defined( USE_COLOR )
689	diffuseColor.rgb *= vColor;
690#endif`,color_pars_fragment=`#if defined( USE_COLOR_ALPHA )
691	varying vec4 vColor;
692#elif defined( USE_COLOR )
693	varying vec3 vColor;
694#endif`,color_pars_vertex=`#if defined( USE_COLOR_ALPHA )
695	varying vec4 vColor;
696#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )
697	varying vec3 vColor;
698#endif`,color_vertex=`#if defined( USE_COLOR_ALPHA )
699	vColor = vec4( 1.0 );
700#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )
701	vColor = vec3( 1.0 );
702#endif
703#ifdef USE_COLOR
704	vColor *= color;
705#endif
706#ifdef USE_INSTANCING_COLOR
707	vColor.xyz *= instanceColor.xyz;
708#endif
709#ifdef USE_BATCHING_COLOR
710	vec3 batchingColor = getBatchingColor( getIndirectIndex( gl_DrawID ) );
711	vColor.xyz *= batchingColor.xyz;
712#endif`,common=`#define PI 3.141592653589793
713#define PI2 6.283185307179586
714#define PI_HALF 1.5707963267948966
715#define RECIPROCAL_PI 0.3183098861837907
716#define RECIPROCAL_PI2 0.15915494309189535
717#define EPSILON 1e-6
718#ifndef saturate
719#define saturate( a ) clamp( a, 0.0, 1.0 )
720#endif
721#define whiteComplement( a ) ( 1.0 - saturate( a ) )
722float pow2( const in float x ) { return x*x; }
723vec3 pow2( const in vec3 x ) { return x*x; }
724float pow3( const in float x ) { return x*x*x; }
725float pow4( const in float x ) { float x2 = x*x; return x2*x2; }
726float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }
727float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }
728highp float rand( const in vec2 uv ) {
729	const highp float a = 12.9898, b = 78.233, c = 43758.5453;
730	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
731	return fract( sin( sn ) * c );
732}
733#ifdef HIGH_PRECISION
734	float precisionSafeLength( vec3 v ) { return length( v ); }
735#else
736	float precisionSafeLength( vec3 v ) {
737		float maxComponent = max3( abs( v ) );
738		return length( v / maxComponent ) * maxComponent;
739	}
740#endif
741struct IncidentLight {
742	vec3 color;
743	vec3 direction;
744	bool visible;
745};
746struct ReflectedLight {
747	vec3 directDiffuse;
748	vec3 directSpecular;
749	vec3 indirectDiffuse;
750	vec3 indirectSpecular;
751};
752#ifdef USE_ALPHAHASH
753	varying vec3 vPosition;
754#endif
755vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
756	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
757}
758vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
759	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz

759 );
760}
761bool isPerspectiveMatrix( mat4 m ) {
762	return m[ 2 ][ 3 ] == - 1.0;
763}
764vec2 equirectUv( in vec3 dir ) {
765	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;
766	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
767	return vec2( u, v );
768}
769vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
770	return RECIPROCAL_PI * diffuseColor;
771}
772vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {
773	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
774	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
775}
776float F_Schlick( const in float f0, const in float f90, const in float dotVH ) {
777	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
778	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
779} // validated`,cube_uv_reflection_fragment=`#ifdef ENVMAP_TYPE_CUBE_UV
780	#define cubeUV_minMipLevel 4.0
781	#define cubeUV_minTileSize 16.0
782	float getFace( vec3 direction ) {
783		vec3 absDirection = abs( direction );
784		float face = - 1.0;
785		if ( absDirection.x > absDirection.z ) {
786			if ( absDirection.x > absDirection.y )
787				face = direction.x > 0.0 ? 0.0 : 3.0;
788			else
789				face = direction.y > 0.0 ? 1.0 : 4.0;
790		} else {
791			if ( absDirection.z > absDirection.y )
792				face = direction.z > 0.0 ? 2.0 : 5.0;
793			else
794				face = direction.y > 0.0 ? 1.0 : 4.0;
795		}
796		return face;
797	}
798	vec2 getUV( vec3 direction, float face ) {
799		vec2 uv;
800		if ( face == 0.0 ) {
801			uv = vec2( direction.z, direction.y ) / abs( direction.x );
802		} else if ( face == 1.0 ) {
803			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );
804		} else if ( face == 2.0 ) {
805			uv = vec2( - direction.x, direction.y ) / abs( direction.z );
806		} else if ( face == 3.0 ) {
807			uv = vec2( - direction.z, direction.y ) / abs( direction.x );
808		} else if ( face == 4.0 ) {
809			uv = vec2( - direction.x, direction.z ) / abs( direction.y );
810		} else {
811			uv = vec2( direction.x, direction.y ) / abs( direction.z );
812		}
813		return 0.5 * ( uv + 1.0 );
814	}
815	vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {
816		float face = getFace( direction );
817		float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );
818		mipInt = max( mipInt, cubeUV_minMipLevel );
819		float faceSize = exp2( mipInt );
820		highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;
821		if ( face > 2.0 ) {
822			uv.y += faceSize;
823			face -= 3.0;
824		}
825		uv.x += face * faceSize;
826		uv.x += filterInt * 3.0 * cubeUV_minTileSize;
827		uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );
828		uv.x *= CUBEUV_TEXEL_WIDTH;
829		uv.y *= CUBEUV_TEXEL_HEIGHT;
830		#ifdef texture2DGradEXT
831			return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;
832		#else
833			return texture2D( envMap, uv ).rgb;
834		#endif
835	}
836	#define cubeUV_r0 1.0
837	#define cubeUV_m0 - 2.0
838	#define cubeUV_r1 0.8
839	#define cubeUV_m1 - 1.0
840	#define cubeUV_r4 0.4
841	#define cubeUV_m4 2.0
842	#define cubeUV_r5 0.305
843	#define cubeUV_m5 3.0
844	#define cubeUV_r6 0.21
845	#define cubeUV_m6 4.0
846	float roughnessToMip( float roughness ) {
847		float mip = 0.0;
848		if ( roughness >= cubeUV_r1 ) {
849			mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;
850		} else if ( roughness >= cubeUV_r4 ) {
851			mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;
852		} else if ( roughness >= cubeUV_r5 ) {
853			mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;
854		} else if ( roughness >= cubeUV_r6 ) {
855			mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;
856		} else {
857			mip = - 2.0 * log2( 1.16 * roughness );		}
858		return mip;
859	}
860	vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {
861		float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );
862		float mipF = fract( mip );
863		float mipInt = floor( mip );
864		vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );
865		if ( mipF == 0.0 ) {
866			return vec4( color0, 1.0 );
867		} else {
868			vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );
869			return vec4( mix( color0, color1, mipF ), 1.0 );
870		}
871	}
872#endif`,defaultnormal_vertex=`vec3 transformedNormal = objectNormal;
873#ifdef USE_TANGENT
874	vec3 transformedTangent = objectTangent;
875#endif
876#ifdef USE_BATCHING
877	mat3 bm = mat3( batchingMatrix );
878	transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );
879	transformedNormal = bm * transformedNormal;
880	#ifdef USE_TANGENT
881		transformedTangent = bm * transformedTangent;
882	#endif
883#endif
884#ifdef USE_INSTANCING
885	mat3 im = mat3( instanceMatrix );
886	transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );
887	transformedNormal = im * transformedNormal;
888	#ifdef USE_TANGENT
889		transformedTangent = im * transformedTangent;
890	#endif
891#endif
892transformedNormal = normalMatrix * transformedNormal;
893#ifdef FLIP_SIDED
894	transformedNormal = - transformedNormal;
895#endif
896#ifdef USE_TANGENT
897	transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;
898	#ifdef FLIP_SIDED
899		transformedTangent = - transformedTangent;
900	#endif
901#endif`,displacementmap_pars_vertex=`#ifdef USE_DISPLACEMENTMAP
902	uniform sampler2D displacementMap;
903	uniform float displacementScale;
904	uniform float displacementBias;
905#endif`,displacementmap_vertex=`#ifdef USE_DISPLACEMENTMAP
906	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );
907#endif`,emissivemap_fragment=`#ifdef USE_EMISSIVEMAP
908	vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );
909	

909#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE
910		emissiveColor = sRGBTransferEOTF( emissiveColor );
911	#endif
912	totalEmissiveRadiance *= emissiveColor.rgb;
913#endif`,emissivemap_pars_fragment=`#ifdef USE_EMISSIVEMAP
914	uniform sampler2D emissiveMap;
915#endif`,colorspace_fragment="gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment=`vec4 LinearTransferOETF( in vec4 value ) {
916	return value;
917}
918vec4 sRGBTransferEOTF( in vec4 value ) {
919	return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );
920}
921vec4 sRGBTransferOETF( in vec4 value ) {
922	return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );
923}`,envmap_fragment=`#ifdef USE_ENVMAP
924	#ifdef ENV_WORLDPOS
925		vec3 cameraToFrag;
926		if ( isOrthographic ) {
927			cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
928		} else {
929			cameraToFrag = normalize( vWorldPosition - cameraPosition );
930		}
931		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
932		#ifdef ENVMAP_MODE_REFLECTION
933			vec3 reflectVec = reflect( cameraToFrag, worldNormal );
934		#else
935			vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );
936		#endif
937	#else
938		vec3 reflectVec = vReflect;
939	#endif
940	#ifdef ENVMAP_TYPE_CUBE
941		vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );
942	#else
943		vec4 envColor = vec4( 0.0 );
944	#endif
945	#ifdef ENVMAP_BLENDING_MULTIPLY
946		outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );
947	#elif defined( ENVMAP_BLENDING_MIX )
948		outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );
949	#elif defined( ENVMAP_BLENDING_ADD )
950		outgoingLight += envColor.xyz * specularStrength * reflectivity;
951	#endif
952#endif`,envmap_common_pars_fragment=`#ifdef USE_ENVMAP
953	uniform float envMapIntensity;
954	uniform float flipEnvMap;
955	uniform mat3 envMapRotation;
956	#ifdef ENVMAP_TYPE_CUBE
957		uniform samplerCube envMap;
958	#else
959		uniform sampler2D envMap;
960	#endif
961#endif`,envmap_pars_fragment=`#ifdef USE_ENVMAP
962	uniform float reflectivity;
963	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
964		#define ENV_WORLDPOS
965	#endif
966	#ifdef ENV_WORLDPOS
967		varying vec3 vWorldPosition;
968		uniform float refractionRatio;
969	#else
970		varying vec3 vReflect;
971	#endif
972#endif`,envmap_pars_vertex=`#ifdef USE_ENVMAP
973	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
974		#define ENV_WORLDPOS
975	#endif
976	#ifdef ENV_WORLDPOS
977		
978		varying vec3 vWorldPosition;
979	#else
980		varying vec3 vReflect;
981		uniform float refractionRatio;
982	#endif
983#endif`,envmap_vertex=`#ifdef USE_ENVMAP
984	#ifdef ENV_WORLDPOS
985		vWorldPosition = worldPosition.xyz;
986	#else
987		vec3 cameraToVertex;
988		if ( isOrthographic ) {
989			cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
990		} else {

991			cameraToVertex = normalize( worldPosition.xyz - cameraPosition );
992		}
993		vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
994		#ifdef ENVMAP_MODE_REFLECTION
995			vReflect = reflect( cameraToVertex, worldNormal );
996		#else
997			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
998		#endif
999	#endif
1000#endif`,fog_vertex=`#ifdef USE_FOG
1001	vFogDepth = - mvPosition.z;
1002#endif`,fog_pars_vertex=`#ifdef USE_FOG
1003	varying float vFogDepth;
1004#endif`,fog_fragment=`#ifdef USE_FOG
1005	#ifdef FOG_EXP2
1006		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );
1007	#else
1008		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );
1009	#endif
1010	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
1011#endif`,fog_pars_fragment=`#ifdef USE_FOG
1012	uniform vec3 fogColor;
1013	varying float vFogDepth;
1014	#ifdef FOG_EXP2
1015		uniform float fogDensity;
1016	#else
1017		uniform float fogNear;
1018		uniform float fogFar;
1019	#endif
1020#endif`,gradientmap_pars_fragment=`#ifdef USE_GRADIENTMAP
1021	uniform sampler2D gradientMap;
1022#endif
1023vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
1024	float dotNL = dot( normal, lightDirection );
1025	vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
1026	#ifdef USE_GRADIENTMAP
1027		return vec3( texture2D( gradientMap, coord ).r );
1028	#else
1029		vec2 fw = fwidth( coord ) * 0.5;
1030		return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );
1031	#endif
1032}`,lightmap_pars_fragment=`#ifdef USE_LIGHTMAP
1033	uniform sampler2D lightMap;
1034	uniform float lightMapIntensity;
1035#endif`,lights_lambert_fragment=`LambertMaterial material;
1036material.diffuseColor = diffuseColor.rgb;
1037material.specularStrength = specularStrength;`,lights_lambert_pars_fragment=`varying vec3 vViewPosition;
1038struct LambertMaterial {
1039	vec3 diffuseColor;
1040	float specularStrength;
1041};
1042void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
1043	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1044	vec3 irradiance = dotNL * directLight.color;
1045	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1046}
1047void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
1048	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1049}
1050#define RE_Direct				RE_Direct_Lambert
1051#define RE_IndirectDiffuse		RE_IndirectDiffuse_Lambert`,lights_pars_begin=`uniform bool receiveShadow;
1052uniform vec3 ambientLightColor;
1053#if defined( USE_LIGHT_PROBES )
1054	uniform vec3 lightProbe[ 9 ];
1055#endif
1056vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
1057	float x = normal.x, y = normal.y, z = normal.z;
1058	vec3 result = shCoefficients[ 0 ] * 0.886227;
1059	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;
1060	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;
1061	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;
1062	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;
1063	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;
1064	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );
1065	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;
1066	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
1067	return result;
1068}
1069vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {
1070	vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
1071	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
1072	return irradiance;
1073}
1074vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {
1075	vec3 irradiance = ambientLightColor;
1076	return irradiance;
1077}
1078float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
1079	float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
1080	if ( cutoffDistance > 0.0 ) {
1081		distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
1082	}
1083	return distanceFalloff;
1084}
1085float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {
1086	return smoothstep( coneCosine, penumbraCosine, angleCosine );
1087}
1088#if NUM_DIR_LIGHTS > 0
1089	struct DirectionalLight {
1090		vec3 direction;
1091		vec3 color;
1092	};
1093	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];
1094	void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {
1095		light.color = directionalLight.color;
1096		light.direction = directionalLight.direction;
1097		light.visible = true;
1098	}
1099#endif
1100#if NUM_POINT_LIGHTS > 0
1101	struct PointLight {
1102		vec3 position;
1103		vec3 color;
1104		float distance;
1105		float decay;
1106	};
1107	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];
1108	void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {
1109		vec3 lVector = pointLight.position - geometryPosition;
1110		light.direction = normalize( lVector );
1111		float lightDistance = length( lVector );
1112		light.color = pointLight.color;
1113		light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );
1114		light.visible = ( light.color != vec3( 0.0 ) );
1115	}
1116#endif

1117#if NUM_SPOT_LIGHTS > 0
1118	struct SpotLight {
1119		vec3 position;
1120		vec3 direction;
1121		vec3 color;
1122		float distance;
1123		float decay;
1124		float coneCos;
1125		float penumbraCos;
1126	};
1127	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];
1128	void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {
1129		vec3 lVector = spotLight.position - geometryPosition;
1130		light.direction = normalize( lVector );
1131		float angleCos = dot( light.direction, spotLight.direction );
1132		float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );
1133		if ( spotAttenuation > 0.0 ) {
1134			float lightDistance = length( lVector );
1135			light.color = spotLight.color * spotAttenuation;
1136			light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );
1137			light.visible = ( light.color != vec3( 0.0 ) );
1138		} else {
1139			light.color = vec3( 0.0 );
1140			light.visible = false;
1141		}
1142	}
1143#endif
1144#if NUM_RECT_AREA_LIGHTS > 0
1145	struct RectAreaLight {
1146		vec3 color;
1147		vec3 position;
1148		vec3 halfWidth;
1149		vec3 halfHeight;
1150	};
1151	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;
1152	uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];
1153#endif
1154#if NUM_HEMI_LIGHTS > 0
1155	struct HemisphereLight {
1156		vec3 direction;
1157		vec3 skyColor;
1158		vec3 groundColor;
1159	};
1160	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];
1161	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {
1162		float dotNL = dot( normal, hemiLight.direction );
1163		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
1164		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
1165		return irradiance;
1166	}
1167#endif`,envmap_physical_pars_fragment=`#ifdef USE_ENVMAP
1168	vec3 getIBLIrradiance( const in vec3 normal ) {
1169		#ifdef ENVMAP_TYPE_CUBE_UV
1170			vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
1171			vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );
1172			return PI * envMapColor.rgb * envMapIntensity;
1173		#else
1174			return vec3( 0.0 );
1175		#endif
1176	}
1177	vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {
1178		#ifdef ENVMAP_TYPE_CUBE_UV
1179			vec3 reflectVec = reflect( - viewDir, normal );
1180			reflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );
1181			reflectVec = inverseTransformDirection( reflectVec, viewMatrix );
1182			vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );
1183			return envMapColor.rgb * envMapIntensity;
1184		#else
1185			return vec3( 0.0 );
1186		#endif
1187	}
1188	#ifdef USE_ANISOTROPY
1189		vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {
1190			#ifdef ENVMAP_TYPE_CUBE_UV
1191				vec3 bentNormal = cross( bitangent, viewDir );
1192				bentNormal = normalize( cross( bentNormal, bitangent ) );
1193				bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );
1194				return getIBLRadiance( viewDir, bentNormal, roughness );
1195			#else
1196				return vec3( 0.0 );
1197			#endif
1198		}
1199	#endif
1200#endif`,lights_toon_fragment=`ToonMaterial material;
1201material.diffuseColor = diffuseColor.rgb;`,lights_toon_pars_fragment=`varying vec3 vViewPosition;
1202struct ToonMaterial {
1203	vec3 diffuseColor;
1204};
1205void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
1206	vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;
1207	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1208}
1209void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
1210	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1211}
1212#define RE_Direct				RE_Direct_Toon
1213#define RE_IndirectDiffuse		RE_IndirectDiffuse_Toon`,lights_phong_fragment=`BlinnPhongMaterial material;
1214material.diffuseColor = diffuseColor.rgb;
1215material.specularColor = specular;
1216material.specularShininess = shininess;
1217material.specularStrength = specularStrength;`,lights_phong_pars_fragment=`varying vec3 vViewPosition;
1218struct BlinnPhongMaterial {
1219	vec3 diffuseColor;
1220	vec3 specularColor;
1221	float specularShininess;
1222	float specularStrength;
1223};
1224void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {

1225	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1226	vec3 irradiance = dotNL * directLight.color;
1227	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1228	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;
1229}
1230void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
1231	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1232}
1233#define RE_Direct				RE_Direct_BlinnPhong
1234#define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong`,lights_physical_fragment=`PhysicalMaterial material;
1235material.diffuseColor = diffuseColor.rgb;
1236material.diffuseContribution = diffuseColor.rgb * ( 1.0 - metalnessFactor );
1237material.metalness = metalnessFactor;
1238vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );
1239float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );
1240material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;
1241material.roughness = min( material.roughness, 1.0 );
1242#ifdef IOR
1243	material.ior = ior;
1244	#ifdef USE_SPECULAR
1245		float specularIntensityFactor = specularIntensity;
1246		vec3 specularColorFactor = specularColor;
1247		#ifdef USE_SPECULAR_COLORMAP
1248			specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;
1249		#endif
1250		#ifdef USE_SPECULAR_INTENSITYMAP
1251			specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;
1252		#endif
1253		material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );
1254	#else
1255		float specularIntensityFactor = 1.0;
1256		vec3 specularColorFactor = vec3( 1.0 );
1257		material.specularF90 = 1.0;
1258	#endif
1259	material.specularColor = min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor;
1260	material.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );
1261#else
1262	material.specularColor = vec3( 0.04 );
1263	material.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );
1264	material.specularF90 = 1.0;
1265#endif
1266#ifdef USE_CLEARCOAT
1267	material.clearcoat = clearcoat;
1268	material.clearcoatRoughness = clearcoatRoughness;
1269	material.clearcoatF0 = vec3( 0.04 );
1270	material.clearcoatF90 = 1.0;
1271	#ifdef USE_CLEARCOATMAP
1272		material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;
1273	#endif
1274	#ifdef USE_CLEARCOAT_ROUGHNESSMAP
1275		material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;
1276	#endif
1277	material.clearcoat = saturate( material.clearcoat );	material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );
1278	material.clearcoatRoughness += geometryRoughness;
1279	material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );
1280#endif
1281#ifdef USE_DISPERSION
1282	material.dispersion = dispersion;
1283#endif
1284#ifdef USE_IRIDESCENCE
1285	material.iridescence = iridescence;
1286	material.iridescenceIOR = iridescenceIOR;
1287	#ifdef USE_IRIDESCENCEMAP
1288		material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;
1289	#endif
1290	#ifdef USE_IRIDESCENCE_THICKNESSMAP
1291		material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;
1292	#else
1293		material.iridescenceThickness = iridescenceThicknessMaximum;
1294	#endif
1295#endif
1296#ifdef USE_SHEEN
1297	material.sheenColor = sheenColor;
1298	#ifdef USE_SHEEN_COLORMAP
1299		material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;
1300	#endif
1301	material.sheenRoughness = clamp( sheenRoughness, 0.0001, 1.0 );
1302	#ifdef USE_SHEEN_ROUGHNESSMAP
1303		material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;
1304	#endif
1305#endif
1306#ifdef USE_ANISOTROPY
1307	#ifdef USE_ANISOTROPYMAP
1308		mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );
1309		vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;
1310		vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;
1311	#else
1312		vec2 anisotropyV = anisotropyVector;
1313	#endif
1314	material.anisotropy = length( anisotropyV );
1315	if( material.anisotropy == 0.0 ) {
1316		anisotropyV = vec2( 1.0, 0.0 );
1317	} else {
1318		anisotropyV /= material.anisotropy;
1319		material.anisotropy = saturate( material.anisotropy );
1320	}
1321	material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );

1322	material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;
1323	material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;
1324#endif`,lights_physical_pars_fragment

1324=`uniform sampler2D dfgLUT;
1325struct PhysicalMaterial {
1326	vec3 diffuseColor;
1327	vec3 diffuseContribution;
1328	vec3 specularColor;
1329	vec3 specularColorBlended;
1330	float roughness;
1331	float metalness;
1332	float specularF90;
1333	float dispersion;
1334	#ifdef USE_CLEARCOAT
1335		float clearcoat;
1336		float clearcoatRoughness;
1337		vec3 clearcoatF0;
1338		float clearcoatF90;
1339	#endif
1340	#ifdef USE_IRIDESCENCE
1341		float iridescence;
1342		float iridescenceIOR;
1343		float iridescenceThickness;
1344		vec3 iridescenceFresnel;
1345		vec3 iridescenceF0;
1346		vec3 iridescenceFresnelDielectric;
1347		vec3 iridescenceFresnelMetallic;
1348	#endif
1349	#ifdef USE_SHEEN
1350		vec3 sheenColor;
1351		float sheenRoughness;
1352	#endif
1353	#ifdef IOR
1354		float ior;
1355	#endif
1356	#ifdef USE_TRANSMISSION
1357		float transmission;
1358		float transmissionAlpha;
1359		float thickness;
1360		float attenuationDistance;
1361		vec3 attenuationColor;
1362	#endif
1363	#ifdef USE_ANISOTROPY
1364		float anisotropy;
1365		float alphaT;
1366		vec3 anisotropyT;
1367		vec3 anisotropyB;
1368	#endif
1369};
1370vec3 clearcoatSpecularDirect = vec3( 0.0 );
1371vec3 clearcoatSpecularIndirect = vec3( 0.0 );
1372vec3 sheenSpecularDirect = vec3( 0.0 );
1373vec3 sheenSpecularIndirect = vec3(0.0 );
1374vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {
1375    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );
1376    float x2 = x * x;
1377    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );
1378    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );
1379}
1380float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
1381	float a2 = pow2( alpha );
1382	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
1383	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
1384	return 0.5 / max( gv + gl, EPSILON );
1385}
1386float D_GGX( const in float alpha, const in float dotNH ) {
1387	float a2 = pow2( alpha );
1388	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
1389	return RECIPROCAL_PI * a2 / pow2( denom );
1390}
1391#ifdef USE_ANISOTROPY
1392	float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {
1393		float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );
1394		float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );
1395		float v = 0.5 / ( gv + gl );
1396		return v;
1397	}
1398	float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {
1399		float a2 = alphaT * alphaB;
1400		highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );
1401		highp float v2 = dot( v, v );
1402		float w2 = a2 / v2;
1403		return RECIPROCAL_PI * a2 * pow2 ( w2 );
1404	}
1405#endif
1406#ifdef USE_CLEARCOAT
1407	vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {
1408		vec3 f0 = material.clearcoatF0;
1409		float f90 = material.clearcoatF90;
1410		float roughness = material.clearcoatRoughness;
1411		float alpha = pow2( roughness );
1412		vec3 halfDir = normalize( lightDir + viewDir );
1413		float dotNL = saturate( dot( normal, lightDir ) );
1414		float dotNV = saturate( dot( normal, viewDir ) );
1415		float dotNH = saturate( dot( normal, halfDir ) );
1416		float dotVH = saturate( dot( viewDir, halfDir ) );
1417		vec3 F = F_Schlick( f0, f90, dotVH );
1418		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1419		float D = D_GGX( alpha, dotNH );
1420		return F * ( V * D );
1421	}
1422#endif
1423vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1424	vec3 f0 = material.specularColorBlended;
1425	float f90 = material.specularF90;
1426	float roughness = material.roughness;
1427	float alpha = pow2( roughness );
1428	vec3 halfDir = normalize( lightDir + viewDir );
1429	float dotNL = saturate( dot( normal, lightDir ) );
1430	float dotNV = saturate( dot( normal, viewDir ) );
1431	float dotNH = saturate( dot( normal, halfDir ) );
1432	float dotVH = saturate( dot( viewDir, halfDir ) );
1433	vec3 F = F_Schlick( f0, f90, dotVH );
1434	#ifdef USE_IRIDESCENCE
1435		F = mix( F, material.iridescenceFresnel, material.iridescence );
1436	#endif
1437	#ifdef USE_ANISOTROPY
1438		float dotTL = dot( material.anisotropyT, lightDir );
1439		float dotTV = dot( material.anisotropyT, viewDir );
1440		float dotTH = dot( material.anisotropyT, halfDir );
1441		float dotBL = dot( material.anisotropyB, lightDir );
1442		float dotBV = dot( material.anisotropyB, viewDir );
1443		float dotBH = dot( material.anisotropyB, halfDir );
1444		float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );
1445		float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );
1446	#else
1447		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1448		float D = D_GGX( alpha, dotNH );
1449	#endif
1450	return F * ( V * D );
1451}
1452vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
1453	const float LUT_SIZE = 64.0;
1454	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
1455	const float LUT_BIAS = 0.5 / LUT_SIZE;
1456	float dotNV = saturate( dot( N, V ) );
1457	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
1458	uv = uv * LUT_SCALE + LUT_BIAS;
1459	return uv;
1460}
1461float LTC_ClippedSphereFormFactor( const in vec3 f ) {
1462	float l = length( f );
1463	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
1464}
1465vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
1466	float x = dot( v1, v2 );
1467	float y = abs( x );
1468	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
1469	float b = 3.4175940 + ( 4.1616724 + y ) * y;
1470	float v = a / b;
1471	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
1472	return cross( v1, v2 ) * theta_sintheta;
1473}
1474vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
1475	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
1476	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
1477	vec3 lightNormal = cross( v1, v2 );
1478	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
1479	vec3 T1, T2;
1480	T1 = normalize( V - N * dot( V, N ) );
1481	T2 = - cross( N, T1 );
1482	mat3 mat = mInv * transpose( mat3( T1, T2, N ) );
1483	vec3 coords[ 4 ];
1484	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
1485	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
1486	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
1487	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
1488	coords[ 0 ] = normalize( coords[ 0 ] );
1489	coords[ 1 ] = normalize( coords[ 1 ] );
1490	coords[ 2 ] = normalize( coords[ 2 ] );
1491	coords[ 3 ] = normalize( coords[ 3 ] );
1492	vec3 vectorFormFactor = vec3( 0.0 );
1493	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
1494	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
1495	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
1496	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
1497	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
1498	return vec3( result );
1499}
1500#if defined( USE_SHEEN )
1501float D_Charlie( float roughness, float dotNH ) {
1502	float alpha = pow2( roughness );
1503	float invAlpha = 1.0 / alpha;
1504	float cos2h = dotNH * dotNH;
1505	float sin2h = max( 1.0 - cos2h, 0.0078125 );
1506	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
1507}
1508float V_Neubelt( float dotNV, float dotNL ) {
1509	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
1510}
1511vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
1512	vec3 halfDir = normalize( lightDir + viewDir );
1513	float dotNL = saturate( dot( normal, lightDir ) );
1514	float dotNV = saturate( dot( normal, viewDir ) );
1515	float dotNH = saturate( dot( normal, halfDir ) );
1516	float D = D_Charlie( sheenRoughness, dotNH );
1517	float V = V_Neubelt( dotNV, dotNL );
1518	return sheenColor * ( D * V );
1519}
1520#endif
1521float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1522	float dotNV = saturate( dot( normal, viewDir ) );
1523	float r2 = roughness * roughness;
1524	float rInv = 1.0 / ( roughness + 0.1 );
1525	float a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;
1526	float b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;
1527	float DG = exp( a * dotNV + b );
1528	return saturate( DG );
1529}
1530vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
1531	float dotNV = saturate( dot( normal, viewDir ) );
1532	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1533	return specularColor * fab.x + specularF90 * fab.y;
1534}
1535#ifdef USE_IRIDESCENCE
1536void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {
1537#else
1538void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {
1539#endif
1540	float dotNV = saturate( dot( normal, viewDir ) );
1541	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1542	#ifdef USE_IRIDESCENCE
1543		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
1544	#else
1545		vec3 Fr = specularColor;
1546	#endif
1547	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
1548	float Ess = fab.x + fab.y;
1549	float Ems = 1.0 - Ess;
1550	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
1551	singleScatter += FssEss;
1552	multiScatter += Fms * Ems;
1553}
1554vec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1555	vec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );
1556	float dotNL = saturate( dot( normal, lightDir ) );
1557	float dotNV = saturate( dot( normal, viewDir ) );
1558	vec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;
1559	vec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;
1560	vec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;
1561	vec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;
1562	float Ess_V = dfgV.x + dfgV.y;
1563	float Ess_L = dfgL.x + dfgL.y;
1564	float Ems_V = 1.0 - Ess_V;
1565	float Ems_L = 1.0 - Ess_L;
1566	vec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;
1567	vec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );
1568	float compensationFactor = Ems_V * Ems_L;
1569	vec3 multiScatter = Fms * compensationFactor;
1570	return singleScatter + multiScatter;
1571}
1572#if NUM_RECT_AREA_LIGHTS > 0
1573	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1574		vec3 normal = geometryNormal;
1575		vec3 viewDir = geometryViewDir;
1576		vec3 position = geometryPosition;
1577		vec3 lightPos = rectAreaLight.position;
1578		vec3 halfWidth = rectAreaLight.halfWidth;
1579		vec3 halfHeight = rectAreaLight.halfHeight;
1580		vec3 lightColor = rectAreaLight.color;
1581		float roughness = material.roughness;
1582		vec3 rectCoords[ 4 ];
1583		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
1584		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
1585		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
1586		vec2 uv = LTC_Uv( normal, viewDir, roughness );
1587		vec4 t1 = texture2D( ltc_1, uv );
1588		vec4 t2 = texture2D( ltc_2, uv );
1589		mat3 mInv = mat3(
1590			vec3( t1.x, 0, t1.y ),
1591			vec3(    0, 1,    0 ),
1592			vec3( t1.z, 0, t1.w )
1593		);
1594		vec3 fresnel = ( material.specularColorBlended * t2.x + ( vec3( 1.0 ) - material.specularColorBlended ) * t2.y );
1595		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1596		reflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1597	}
1598#endif
1599void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1600	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1601	vec3 irradiance = dotNL * directLight.color;
1602	#ifdef USE_CLEARCOAT
1603		float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );
1604		vec3 ccIrradiance = dotNLcc * directLight.color;
1605		clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );
1606	#endif
1607	#ifdef USE_SHEEN
1608 
1609 		sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );
1610 
1611 		float sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1612 		float sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );
1613 
1614 		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );
1615 
1616 		irradiance *= sheenEnergyComp;
1617 
1618 	#endif
1619	reflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );
1620	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );
1621}
1622void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1623	vec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );
1624	#ifdef USE_SHEEN
1625		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1626		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1627		diffuse *= sheenEnergyComp;
1628	#endif
1629	reflectedLight.indirectDiffuse += diffuse;
1630}
1631void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
1632	#ifdef USE_CLEARCOAT
1633		clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1634	#endif
1635	#ifdef USE_SHEEN
1636		sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;
1637 	#endif
1638	vec3 singleScatteringDielectric = vec3( 0.0 );
1639	vec3 multiScatteringDielectric = vec3( 0.0 );
1640	vec3 singleScatteringMetallic = vec3( 0.0 );
1641	vec3 multiScatteringMetallic = vec3( 0.0 );
1642	#ifdef USE_IRIDESCENCE
1643		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1644		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1645	#else
1646		computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1647		computeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1648	#endif
1649	vec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );
1650	vec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );
1651	vec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;
1652	vec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );
1653	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1654	vec3 indirectSpecular = radiance * singleScattering;
1655	indirectSpecular += multiScattering * cosineWeightedIrradiance;
1656	vec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;
1657	#ifdef USE_SHEEN
1658		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1659		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1660		indirectSpecular *= sheenEnergyComp;
1661		indirectDiffuse *= sheenEnergyComp;
1662	#endif
1663	reflectedLight.indirectSpecular += indirectSpecular;
1664	reflectedLight.indirectDiffuse += indirectDiffuse;
1665}
1666#define RE_Direct				RE_Direct_Physical
1667#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1668#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1669#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1670float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1671	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1672}`,

1672lights_fragment_begin=`
1673vec3 geometryPosition = - vViewPosition;
1674vec3 geometryNormal = normal;
1675vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );
1676vec3 geometryClearcoatNormal = vec3( 0.0 );
1677#ifdef USE_CLEARCOAT
1678	geometryClearcoatNormal = clearcoatNormal;
1679#endif
1680#ifdef USE_IRIDESCENCE
1681	float dotNVi = saturate( dot( normal, geometryViewDir ) );
1682	if ( material.iridescenceThickness == 0.0 ) {
1683		material.iridescence = 0.0;
1684	} else {
1685		material.iridescence = saturate( material.iridescence );
1686	}
1687	if ( material.iridescence > 0.0 ) {
1688		material.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );
1689		material.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );
1690		material.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );
1691		material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );
1692	}
1693#endif
1694IncidentLight directLight;
1695#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )
1696	PointLight pointLight;
1697	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0
1698	PointLightShadow pointLightShadow;
1699	#endif
1700	#pragma unroll_loop_start
1701	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
1702		pointLight = pointLights[ i ];
1703		getPointLightInfo( pointLight, geometryPosition, directLight );
1704		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
1705		pointLightShadow = pointLightShadows[ i ];
1706		directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;
1707		#endif
1708		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1709	}
1710	#pragma unroll_loop_end
1711#endif
1712#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )
1713	SpotLight spotLight;
1714	vec4 spotColor;
1715	vec3 spotLightCoord;
1716	bool inSpotLightMap;
1717	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0
1718	SpotLightShadow spotLightShadow;
1719	#endif
1720	#pragma unroll_loop_start
1721	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
1722		spotLight = spotLights[ i ];
1723		getSpotLightInfo( spotLight, geometryPosition, directLight );
1724		#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1725		#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX
1726		#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1727		#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS
1728		#else
1729		#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1730		#endif
1731		#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )
1732			spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;
1733			inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );
1734			spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );
1735			directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;
1736		#endif
1737		#undef SPOT_LIGHT_MAP_INDEX
1738		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1739		spotLightShadow = spotLightShadows[ i ];
1740		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1741		#endif
1742		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1743	}
1744	#pragma unroll_loop_end
1745#endif
1746#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )
1747	DirectionalLight directionalLight;
1748	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0
1749	DirectionalLightShadow directionalLightShadow;
1750	#endif
1751	#pragma unroll_loop_start
1752	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
1753		directionalLight = directionalLights[ i ];
1754		getDirectionalLightInfo( directionalLight, directLight );
1755		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )
1756		directionalLightShadow = directionalLightShadows[ i ];
1757		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1758		#endif
1759		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1760	}
1761	#pragma unroll_loop_end
1762#endif
1763#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )
1764	RectAreaLight rectAreaLight;
1765	#pragma unroll_loop_start
1766	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {
1767		rectAreaLight = rectAreaLights[ i ];
1768		RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1769	}
1770	#pragma unroll_loop_end
1771#endif
1772#if defined( RE_IndirectDiffuse )
1773	vec3 iblIrradiance = vec3( 0.0 );
1774	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
1775	#if defined( USE_LIGHT_PROBES )
1776		irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );
1777	#endif
1778	#if ( NUM_HEMI_LIGHTS > 0 )
1779		#pragma unroll_loop_start
1780		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
1781			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );
1782		}
1783		#pragma unroll_loop_end
1784	#endif
1785#endif
1786#if defined( RE_IndirectSpecular )
1787	vec3 radiance = vec3( 0.0 );
1788	vec3 clearcoatRadiance = vec3( 0.0 );
1789#endif`,lights_fragment_maps=`#if defined( RE_IndirectDiffuse )
1790	#ifdef USE_LIGHTMAP
1791		vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );
1792		vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;
1793		irradiance += lightMapIrradiance;
1794	#endif
1795	#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )
1796		iblIrradiance += getIBLIrradiance( geometryNormal );
1797	#endif
1798#endif
1799#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )
1800	#ifdef USE_ANISOTROPY
1801		radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );
1802	#else
1803		radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );
1804	#endif
1805	#ifdef USE_CLEARCOAT
1806		clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );
1807	#endif
1808#endif`,lights_fragment_end=`#if defined( RE_IndirectDiffuse )
1809	RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1810#endif
1811#if defined( RE_IndirectSpecular )
1812	RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1813#endif`,logdepthbuf_fragment=`#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )
1814	gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;
1815#endif`,logdepthbuf_pars_fragment=`#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )
1816	uniform float logDepthBufFC;
1817	varying float vFragDepth;
1818	varying float vIsPerspective;
1819#endif`,logdepthbuf_pars_vertex=`#ifdef USE_LOGARITHMIC_DEPTH_BUFFER
1820	varying float vFragDepth;
1821	varying float vIsPerspective;
1822#endif`,logdepthbuf_vertex=`#ifdef USE_LOGARITHMIC_DEPTH_BUFFER
1823	vFragDepth = 1.0 + gl_Position.w;
1824	vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );
1825#endif`,map_fragment=`#ifdef USE_MAP
1826	vec4 sampledDiffuseColor = texture2D( map, vMapUv );
1827	#ifdef DECODE_VIDEO_TEXTURE
1828		sampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );
1829	#endif
1830	diffuseColor *= sampledDiffuseColor;
1831#endif`,map_pars_fragment=`#ifdef USE_MAP
1832	uniform sampler2D map;
1833#endif`,map_particle_fragment=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1834	#if defined( USE_POINTS_UV )
1835		vec2 uv = vUv;
1836	#else
1837		vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;
1838	#endif
1839#endif
1840#ifdef USE_MAP
1841	diffuseColor *= texture2D( map, uv );
1842#endif
1843#ifdef USE_ALPHAMAP
1844	diffuseColor.a *= texture2D( alphaMap, uv ).g;
1845#endif`,map_particle_pars_fragment=`#if defined( USE_POINTS_UV )
1846	varying vec2 vUv;
1847#else
1848	#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1849		uniform mat3 uvTransform;
1850	#endif
1851#endif
1852#ifdef USE_MAP
1853	uniform sampler2D map;
1854#endif
1855#ifdef USE_ALPHAMAP
1856	uniform sampler2D alphaMap;
1857#endif`,metalnessmap_fragment=`float metalnessFactor = metalness;
1858#ifdef USE_METALNESSMAP
1859	vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );
1860	metalnessFactor *= texelMetalness.b;
1861#endif`,metalnessmap_pars_fragment=`#ifdef USE_METALNESSMAP
1862	uniform sampler2D metalnessMap;
1863#endif`,morphinstance_vertex=`#ifdef USE_INSTANCING_MORPH
1864	float morphTargetInfluences[ MORPHTARGETS_COUNT ];
1865	float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;
1866	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1867		morphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;
1868	}
1869#endif`,morphcolor_vertex=`#if defined( USE_MORPHCOLORS )
1870	vColor *= morphTargetBaseInfluence;
1871	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1872		#if defined( USE_COLOR_ALPHA )
1873			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];
1874		#elif defined( USE_COLOR )
1875			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];
1876		#endif
1877	}
1878#endif`,morphnormal_vertex=`#ifdef USE_MORPHNORMALS
1879	objectNormal *= morphTargetBaseInfluence;
1880	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1881		if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];
1882	}
1883#endif`,morphtarget_pars_vertex=`#ifdef USE_MORPHTARGETS
1884	#ifndef USE_INSTANCING_MORPH
1885		uniform float morphTargetBaseInfluence;
1886		uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];
1887	#endif
1888	uniform sampler2DArray morphTargetsTexture;
1889	uniform ivec2 morphTargetsTextureSize;
1890	vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {
1891		int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;
1892		int y = texelIndex / morphTargetsTextureSize.x;
1893		int x = texelIndex - y * morphTargetsTextureSize.x;
1894		ivec3 morphUV = ivec3( x, y, morphTargetIndex );
1895		return texelFetch( morphTargetsTexture, morphUV, 0 );
1896	}
1897#endif`,morphtarget_vertex=`#ifdef USE_MORPHTARGETS
1898	transformed *= morphTargetBaseInfluence;
1899	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1900		if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];
1901	}
1902#endif`,normal_fragment_begin=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
1903#ifdef FLAT_SHADED
1904	vec3 fdx = dFdx( vViewPosition );
1905	vec3 fdy = dFdy( vViewPosition );
1906	vec3 normal = normalize( cross( fdx, fdy ) );
1907#else
1908	vec3 normal = normalize( vNormal );
1909	#ifdef DOUBLE_SIDED
1910		normal *= faceDirection;
1911	#endif
1912#endif
1913#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )
1914	#ifdef USE_TANGENT
1915		mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );
1916	#else
1917		mat3 tbn = getTangentFrame( - vViewPosition, normal,
1918		#if defined( USE_NORMALMAP )
1919			vNormalMapUv
1920		#elif defined( USE_CLEARCOAT_NORMALMAP )
1921			vClearcoatNormalMapUv
1922		#else
1923			vUv
1924		#endif
1925		);
1926	#endif
1927	#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )
1928		tbn[0] *= faceDirection;
1929		tbn[1] *= faceDirection;
1930	#endif
1931#endif
1932#ifdef USE_CLEARCOAT_NORMALMAP
1933	#ifdef USE_TANGENT
1934		mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );
1935	#else
1936		mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );
1937	#endif
1938	#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )
1939		tbn2[0] *= faceDirection;
1940		tbn2[1] *= faceDirection;
1941	#endif
1942#endif
1943vec3 nonPerturbedNormal = normal;`,normal_fragment_maps=`#ifdef USE_NORMALMAP_OBJECTSPACE
1944	normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;
1945	#ifdef FLIP_SIDED
1946		normal = - normal;
1947	#endif
1948	#ifdef DOUBLE_SIDED
1949		normal = normal * faceDirection;
1950	#endif
1951	normal = normalize( normalMatrix * normal );
1952#elif defined( USE_NORMALMAP_TANGENTSPACE )
1953	vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;
1954	mapN.xy *= normalScale;
1955	normal = normalize( tbn * mapN );
1956#elif defined( USE_BUMPMAP )

1957	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );
1958#endif`,normal_pars_fragment=`#ifndef FLAT_SHADED
1959	varying vec3 vNormal;
1960	#ifdef USE_TANGENT
1961		varying vec3 vTangent;
1962		varying vec3 vBitangent;
1963	#endif
1964#endif`,normal_pars_vertex=`#ifndef FLAT_SHADED
1965	varying vec3 vNormal;
1966	#ifdef USE_TANGENT
1967		varying vec3 vTangent;
1968		varying vec3 vBitangent;
1969	#endif
1970#endif`,normal_vertex=`#ifndef FLAT_SHADED
1971	vNormal = normalize( transformedNormal );
1972	#ifdef USE_TANGENT
1973		vTangent = normalize( transformedTangent );
1974		vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );
1975	#endif
1976#endif`,normalmap_pars_fragment=`#ifdef USE_NORMALMAP
1977	uniform sampler2D normalMap;
1978	uniform vec2 normalScale;
1979#endif
1980#ifdef USE_NORMALMAP_OBJECTSPACE
1981	uniform mat3 normalMatrix;
1982#endif
1983#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )
1984	mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {
1985		vec3 q0 = dFdx( eye_pos.xyz );
1986		vec3 q1 = dFdy( eye_pos.xyz );
1987		vec2 st0 = dFdx( uv.st );
1988		vec2 st1 = dFdy( uv.st );
1989		vec3 N = surf_norm;
1990		vec3 q1perp = cross( q1, N );
1991		vec3 q0perp = cross( N, q0 );
1992		vec3 T = q1perp * st0.x + q0perp * st1.x;
1993		vec3 B = q1perp * st0.y + q0perp * st1.y;
1994		float det = max( dot( T, T ), dot( B, B ) );
1995		float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );
1996		return mat3( T * scale, B * scale, N );
1997	}
1998#endif`,clearcoat_normal_fragment_begin=`#ifdef USE_CLEARCOAT
1999	vec3 clearcoatNormal = nonPerturbedNormal;
2000#endif`,clearcoat_normal_fragment_maps=`#ifdef USE_CLEARCOAT_NORMALMAP
2001	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;
2002	clearcoatMapN.xy *= clearcoatNormalScale;
2003	clearcoatNormal = normalize( tbn2 * clearcoatMapN );
2004#endif`,clearcoat_pars_fragment=`#ifdef USE_CLEARCOATMAP
2005	uniform sampler2D clearcoatMap;
2006#endif
2007#ifdef USE_CLEARCOAT_NORMALMAP
2008	uniform sampler2D clearcoatNormalMap;
2009	uniform vec2 clearcoatNormalScale;
2010#endif
2011#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2012	uniform sampler2D clearcoatRoughnessMap;
2013#endif`,iridescence_pars_fragment=`#ifdef USE_IRIDESCENCEMAP
2014	uniform sampler2D iridescenceMap;
2015#endif
2016#ifdef USE_IRIDESCENCE_THICKNESSMAP
2017	uniform sampler2D iridescenceThicknessMap;
2018#endif`,opaque_fragment=`#ifdef OPAQUE
2019diffuseColor.a = 1.0;
2020#endif
2021#ifdef USE_TRANSMISSION
2022diffuseColor.a *= material.transmissionAlpha;
2023#endif
2024gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,packing=`vec3 packNormalToRGB( const in vec3 normal ) {
2025	return normalize( normal ) * 0.5 + 0.5;
2026}
2027vec3 unpackRGBToNormal( const in vec3 rgb ) {
2028	return 2.0 * rgb.xyz - 1.0;
2029}
2030const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;
2031const float Inv255 = 1. / 255.;
2032const vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );
2033const vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );
2034const vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );
2035const vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );
2036vec4 packDepthToRGBA( const in float v ) {
2037	if( v <= 0.0 )
2038		return vec4( 0., 0., 0., 0. );
2039	if( v >= 1.0 )
2040		return vec4( 1., 1., 1., 1. );
2041	float vuf;
2042	float af = modf( v * PackFactors.a, vuf );
2043	float bf = modf( vuf * ShiftRight8, vuf );
2044	float gf = modf( vuf * ShiftRight8, vuf );
2045	return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );
2046}
2047vec3 packDepthToRGB( const in float v ) {
2048	if( v <= 0.0 )
2049		return vec3( 0., 0., 0. );
2050	if( v >= 1.0 )
2051		return vec3( 1., 1., 1. );
2052	float vuf;
2053	float bf = modf( v * PackFactors.b, vuf );
2054	float gf = modf( vuf * ShiftRight8, vuf );
2055	return vec3( vuf * Inv255, gf * PackUpscale, bf );
2056}
2057vec2 packDepthToRG( const in float v ) {
2058	if( v <= 0.0 )
2059		return vec2( 0., 0. );
2060	if( v >= 1.0 )
2061		return vec2( 1., 1. );
2062	float vuf;
2063	float gf = modf( v * 256., vuf );
2064	return vec2( vuf * Inv255, gf );
2065}
2066float unpackRGBAToDepth( const in vec4 v ) {
2067	return dot( v, UnpackFactors4 );
2068}
2069float unpackRGBToDepth( const in vec3 v ) {
2070	return dot( v, UnpackFactors3 );
2071}
2072float unpackRGToDepth( const in vec2 v ) {
2073	return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;
2074}
2075vec4 pack2HalfToRGBA( const in vec2 v ) {

2076	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );
2077	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );
2078}
2079vec2 unpackRGBATo2Half( const in vec4 v ) {
2080	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );
2081}
2082float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
2083	return ( viewZ + near ) / ( near - far );
2084}
2085float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {
2086	return depth * ( near - far ) - near;
2087}
2088float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {
2089	return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );
2090}
2091float perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {
2092	return ( near * far ) / ( ( far - near ) * depth - far );
2093}`,premultiplied_alpha_fragment=`#ifdef PREMULTIPLIED_ALPHA
2094	gl_FragColor.rgb *= gl_FragColor.a;
2095#endif`,project_vertex=`vec4 mvPosition = vec4( transformed, 1.0 );
2096#ifdef USE_BATCHING
2097	mvPosition = batchingMatrix * mvPosition;
2098#endif
2099#ifdef USE_INSTANCING
2100	mvPosition = instanceMatrix * mvPosition;
2101#endif
2102mvPosition = modelViewMatrix * mvPosition;
2103gl_Position = projectionMatrix * mvPosition;`,dithering_fragment=`#ifdef DITHERING
2104	gl_FragColor.rgb = dithering( gl_FragColor.rgb );
2105#endif`,dithering_pars_fragment=`#ifdef DITHERING
2106	vec3 dithering( vec3 color ) {
2107		float grid_position = rand( gl_FragCoord.xy );
2108		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
2109		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
2110		return color + dither_shift_RGB;
2111	}
2112#endif`,roughnessmap_fragment=`float roughnessFactor = roughness;
2113#ifdef USE_ROUGHNESSMAP
2114	vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );
2115	roughnessFactor *= texelRoughness.g;
2116#endif`,roughnessmap_pars_fragment=`#ifdef USE_ROUGHNESSMAP
2117	uniform sampler2D roughnessMap;
2118#endif`,shadowmap_pars_fragment=`#if NUM_SPOT_LIGHT_COORDS > 0
2119	varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
2120#endif
2121#if NUM_SPOT_LIGHT_MAPS > 0
2122	uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];
2123#endif
2124#ifdef USE_SHADOWMAP
2125	#if NUM_DIR_LIGHT_SHADOWS > 0
2126		#if defined( SHADOWMAP_TYPE_PCF )
2127			uniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
2128		#else
2129			uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
2130		#endif
2131		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
2132		struct DirectionalLightShadow {
2133			float shadowIntensity;
2134			float shadowBias;
2135			float shadowNormalBias;
2136			float shadowRadius;
2137			vec2 shadowMapSize;
2138		};
2139		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
2140	#endif
2141	#if NUM_SPOT_LIGHT_SHADOWS > 0
2142		#if defined( SHADOWMAP_TYPE_PCF )
2143			uniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
2144		#else
2145			uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
2146		#endif
2147		struct SpotLightShadow {
2148			float shadowIntensity;
2149			float shadowBias;
2150			float shadowNormalBias;
2151			float shadowRadius;
2152			vec2 shadowMapSize;
2153		};
2154		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
2155	#endif
2156	#if NUM_POINT_LIGHT_SHADOWS > 0
2157		#if defined( SHADOWMAP_TYPE_PCF )
2158			uniform samplerCubeShadow pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
2159		#elif defined( SHADOWMAP_TYPE_BASIC )
2160			uniform samplerCube pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
2161		#endif
2162		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
2163		struct PointLightShadow {
2164			float shadowIntensity;
2165			float shadowBias;
2166			float shadowNormalBias;
2167			float shadowRadius;
2168			vec2 shadowMapSize;
2169			float shadowCameraNear;
2170			float shadowCameraFar;
2171		};
2172		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
2173	#endif
2174	#if defined( SHADOWMAP_TYPE_PCF )
2175		float interleavedGradientNoise( vec2 position ) {
2176			return fract( 52.9829189 * fract( dot( position, vec2( 0.06711056, 0.00583715 ) ) ) );
2177		}
2178		vec2 vogelDiskSample( int sampleIndex, int samplesCount, float phi ) {
2179			const float goldenAngle = 2.399963229728653;
2180			float r = sqrt( ( float( sampleIndex ) + 0.5 ) / float( samplesCount ) );
2181			float theta = float( sampleIndex ) * goldenAngle + phi;
2182			return vec2( cos( theta ), sin( theta ) ) * r;
2183		}
2184	#endif
2185	#if defined( SHADOWMAP_TYPE_PCF )
2186		float getShadow( sampler2DShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
2187			float shadow = 1.0;
2188			shadowCoord.xyz /= shadowCoord.w;
2189			shadowCoord.z += shadowBias;
2190			bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
2191			bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
2192			if ( frustumTest ) {
2193				vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
2194				float radius = shadowRadius * texelSize.x;
2195				float phi = interleavedGradientNoise( gl_FragCoord.xy ) * 6.28318530718;
2196				shadow = (
2197					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 0, 5, phi ) * radius, shadowCoord.z ) ) +
2198					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 1, 5, phi ) * radius, shadowCoord.z ) ) +
2199					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 2, 5, phi ) * radius, shadowCoord.z ) ) +
2200					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 3, 5, phi ) * radius, shadowCoord.z ) ) +
2201					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 4, 5, phi ) * radius, shadowCoord.z ) )
2202				) * 0.2;
2203			}
2204			return mix( 1.0, shadow, shadowIntensity );
2205		}
2206	#elif defined( SHADOWMAP_TYPE_VSM )
2207		float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
2208			float shadow = 1.0;
2209			shadowCoord.xyz /= shadowCoord.w;
2210			shadowCoord.z += shadowBias;
2211			bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
2212			bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
2213			if ( frustumTest ) {
2214				vec2 distribution = texture2D( shadowMap, shadowCoord.xy ).rg;
2215				float mean = distribution.x;
2216				float variance = distribution.y * distribution.y;
2217				#ifdef USE_REVERSED_DEPTH_BUFFER
2218					float hard_shadow = step( mean, shadowCoord.z );
2219				#else
2220					float hard_shadow = step( shadowCoord.z, mean );
2221				#endif
2222				if ( hard_shadow == 1.0 ) {
2223					shadow = 1.0;
2224				} else {
2225					variance = max( variance, 0.0000001 );
2226					float d = shadowCoord.z - mean;
2227					float p_max = variance / ( variance + d * d );
2228					p_max = clamp( ( p_max - 0.3 ) / 0.65, 0.0, 1.0 );
2229					shadow = max( hard_shadow, p_max );
2230				}
2231			}
2232			return mix( 1.0, shadow, shadowIntensity );
2233		}
2234	#else
2235		float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
2236			float shadow = 1.0;
2237			shadowCoord.xyz /= shadowCoord.w;
2238			shadowCoord.z += shadowBias;
2239			bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
2240			bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
2241			if ( frustumTest ) {
2242				float depth = texture2D( shadowMap, shadowCoord.xy ).r;
2243				#ifdef USE_REVERSED_DEPTH_BUFFER
2244					shadow = step( depth, shadowCoord.z );
2245				#else
2246					shadow = step( shadowCoord.z, depth );
2247				#endif
2248			}
2249			return mix( 1.0, shadow, shadowIntensity );
2250		}
2251	#endif
2252	#if NUM_POINT_LIGHT_SHADOWS > 0
2253	#if defined( SHADOWMAP_TYPE_PCF )
2254	float getPointShadow( samplerCubeShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
2255		float shadow = 1.0;
2256		vec3 lightToPosition = shadowCoord.xyz;
2257		vec3 bd3D = normalize( lightToPosition );
2258		vec3 absVec = abs( lightToPosition );
2259		float viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );
2260		if ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {
2261			float dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );
2262			dp += shadowBias;
2263			float texelSize = shadowRadius / shadowMapSize.x;
2264			vec3 absDir = abs( bd3D );
2265			vec3 tangent = absDir.x > absDir.z ? vec3( 0.0, 1.0, 0.0 ) : vec3( 1.0, 0.0, 0.0 );
2266			tangent = normalize( cross( bd3D, tangent ) );
2267			vec3 bitangent = cross( bd3D, tangent );
2268			float phi = interleavedGradientNoise( gl_FragCoord.xy ) * 6.28318530718;
2269			shadow = (
2270				texture( shadowMap, vec4( bd3D + ( tangent * vogelDiskSample( 0, 5, phi ).x + bitangent * vogelDiskSample( 0, 5, phi ).y ) * texelSize, dp ) ) +
2271				texture( shadowMap, vec4( bd3D + ( tangent * vogelDiskSample( 1, 5, phi ).x + bitangent * vogelDiskSample( 1, 5, phi ).y ) * texelSize, dp ) ) +
2272				texture( shadowMap, vec4( bd3D + ( tangent * vogelDiskSample( 2, 5, phi ).x + bitangent * vogelDiskSample( 2, 5, phi ).y ) * texelSize, dp ) ) +
2273				texture( shadowMap, vec4( bd3D + ( tangent * vogelDiskSample( 3, 5, phi ).x + bitangent * vogelDiskSample( 3, 5, phi ).y ) * texelSize, dp ) ) +
2274				texture( shadowMap, vec4( bd3D + ( tangent * vogelDiskSample( 4, 5, phi ).x + bitangent * vogelDiskSample( 4, 5, phi ).y ) * texelSize, dp ) )
2275			) * 0.2;
2276		}
2277		return mix( 1.0, shadow, shadowIntensity );
2278	}
2279	#elif defined( SHADOWMAP_TYPE_BASIC )
2280	float getPointShadow( samplerCube shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
2281		float shadow = 1.0;
2282		vec3 lightToPosition = shadowCoord.xyz;
2283		vec3 bd3D = normalize( lightToPosition );
2284		vec3 absVec = abs( lightToPosition );
2285		float viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );
2286		if ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {
2287			float dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );
2288			dp += shadowBias;
2289			float depth = textureCube( shadowMap, bd3D ).r;
2290			#ifdef USE_REVERSED_DEPTH_BUFFER
2291				shadow = step( depth, dp );
2292			#else
2293				shadow = step( dp, depth );
2294			#endif
2295		}
2296		return mix( 1.0, shadow, shadowIntensity );
2297	}
2298	#endif
2299	#endif

2300#endif`,shadowmap_pars_vertex=`#if NUM_SPOT_LIGHT_COORDS > 0
2301	uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];
2302	varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
2303#endif
2304#ifdef USE_SHADOWMAP
2305	#if NUM_DIR_LIGHT_SHADOWS > 0
2306		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];
2307		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
2308		struct DirectionalLightShadow {
2309			float shadowIntensity;
2310			float shadowBias;
2311			float shadowNormalBias;
2312			float shadowRadius;
2313			vec2 shadowMapSize;
2314		};
2315		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
2316	#endif
2317	#if NUM_SPOT_LIGHT_SHADOWS > 0
2318		struct SpotLightShadow {
2319			float shadowIntensity;
2320			float shadowBias;
2321			float shadowNormalBias;
2322			float shadowRadius;
2323			vec2 shadowMapSize;
2324		};
2325		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
2326	#endif
2327	#if NUM_POINT_LIGHT_SHADOWS > 0
2328		uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];
2329		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
2330		struct PointLightShadow {
2331			float shadowIntensity;
2332			float shadowBias;
2333			float shadowNormalBias;
2334			float shadowRadius;
2335			vec2 shadowMapSize;
2336			float shadowCameraNear;
2337			float shadowCameraFar;
2338		};
2339		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
2340	#endif
2341#endif`,shadowmap_vertex=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )
2342	vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
2343	vec4 shadowWorldPosition;
2344#endif
2345#if defined( USE_SHADOWMAP )
2346	#if NUM_DIR_LIGHT_SHADOWS > 0
2347		#pragma unroll_loop_start
2348		for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
2349			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );
2350			vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;
2351		}
2352		#pragma unroll_loop_end
2353	#endif
2354	#if NUM_POINT_LIGHT_SHADOWS > 0
2355		#pragma unroll_loop_start
2356		for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
2357			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );
2358			vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;
2359		}
2360		#pragma unroll_loop_end
2361	#endif
2362#endif
2363#if NUM_SPOT_LIGHT_COORDS > 0
2364	#pragma unroll_loop_start
2365	for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {
2366		shadowWorldPosition = worldPosition;
2367		#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
2368			shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;
2369		#endif
2370		vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;
2371	}
2372	#pragma unroll_loop_end
2373#endif`,shadowmask_pars_fragment=`float getShadowMask() {
2374	float shadow = 1.0;
2375	#ifdef USE_SHADOWMAP
2376	#if NUM_DIR_LIGHT_SHADOWS > 0
2377	DirectionalLightShadow directionalLight;
2378	#pragma unroll_loop_start
2379	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
2380		directionalLight = directionalLightShadows[ i ];
2381		shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
2382	}
2383	#pragma unroll_loop_end
2384	#endif
2385	#if NUM_SPOT_LIGHT_SHADOWS > 0
2386	SpotLightShadow spotLight;
2387	#pragma unroll_loop_start
2388	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
2389		spotLight = spotLightShadows[ i ];
2390		shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
2391	}
2392	#pragma unroll_loop_end
2393	#endif
2394	#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
2395	PointLightShadow pointLight;
2396	#pragma unroll_loop_start
2397	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
2398		pointLight = pointLightShadows[ i ];
2399		shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
2400	}
2401	#pragma unroll_loop_end
2402	#endif
2403	#endif
2404	return shadow;
2405}`,skinbase_vertex=`#ifdef USE_SKINNING
2406	mat4 boneMatX = getBoneMatrix( skinIndex.x );
2407	mat4 boneMatY = getBoneMatrix( skinIndex.y );
2408	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
2409	mat4 boneMatW = getBoneMatrix( skinIndex.w );
2410#endif`,skinning_pars_vertex=`#ifdef USE_SKINNING
2411	uniform mat4 bindMatrix;
2412	uniform mat4 bindMatrixInverse;
2413	uniform highp sampler2D boneTexture;
2414	mat4 getBoneMatrix( const in float i ) {
2415		int size = textureSize( boneTexture, 0 ).x;
2416		int j = int( i ) * 4;
2417		int x = j % size;
2418		int y = j / size;
2419		vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );
2420		vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );
2421		vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );
2422		vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );
2423		return mat4( v1, v2, v3, v4 );
2424	}
2425#endif`,skinning_vertex=`#ifdef USE_SKINNING
2426	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
2427	vec4 skinned = vec4( 0.0 );
2428	skinned += boneMatX * skinVertex * skinWeight.x;
2429	skinned += boneMatY * skinVertex * skinWeight.y;
2430	skinned += boneMatZ * skinVertex * skinWeight.z;
2431	skinned += boneMatW * skinVertex * skinWeight.w;
2432	transformed = ( bindMatrixInverse * skinned ).xyz;
2433#endif`,skinnormal_vertex=`#ifdef USE_SKINNING
2434	mat4 skinMatrix = mat4( 0.0 );
2435	skinMatrix += skinWeight.x * boneMatX;
2436	skinMatrix += skinWeight.y * boneMatY;
2437	skinMatrix += skinWeight.z * boneMatZ;
2438	skinMatrix += skinWeight.w * boneMatW;
2439	skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;
2440	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;
2441	#ifdef USE_TANGENT
2442		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;
2443	#endif
2444#endif`,specularmap_fragment=`float specularStrength;
2445#ifdef USE_SPECULARMAP
2446	vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );
2447	specularStrength = texelSpecular.r;
2448#else
2449	specularStrength = 1.0;
2450#endif`,specularmap_pars_fragment=`#ifdef USE_SPECULARMAP
2451	uniform sampler2D specularMap;
2452#endif`,tonemapping_fragment=`#if defined( TONE_MAPPING )
2453	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
2454#endif`,tonemapping_pars_fragment=`#ifndef saturate
2455#define saturate( a ) clamp( a, 0.0, 1.0 )
2456#endif
2457uniform float toneMappingExposure;
2458vec3 LinearToneMapping( vec3 color ) {
2459	return saturate( toneMappingExposure * color );
2460}
2461vec3 ReinhardToneMapping( vec3 color ) {
2462	color *= toneMappingExposure;
2463	return saturate( color / ( vec3( 1.0 ) + color ) );
2464}
2465vec3 CineonToneMapping( vec3 color ) {
2466	color *= toneMappingExposure;
2467	color = max( vec3( 0.0 ), color - 0.004 );
2468	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
2469}
2470vec3 RRTAndODTFit( vec3 v ) {
2471	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;
2472	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;
2473	return a / b;
2474}
2475vec3 ACESFilmicToneMapping( vec3 color ) {
2476	const mat3 ACESInputMat = mat3(
2477		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),
2478		vec3( 0.04823, 0.01566, 0.83777 )
2479	);
2480	const mat3 ACESOutputMat = mat3(
2481		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),
2482		vec3( -0.07367, -0.00605,  1.07602 )
2483	);
2484	color *= toneMappingExposure / 0.6;
2485	color = ACESInputMat * color;
2486	color = RRTAndODTFit( color );
2487	color = ACESOutputMat * color;
2488	return saturate( color );
2489}
2490const mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(
2491	vec3( 1.6605, - 0.1246, - 0.0182 ),
2492	vec3( - 0.5876, 1.1329, - 0.1006 ),
2493	vec3( - 0.0728, - 0.0083, 1.1187 )
2494);
2495const mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(
2496	vec3( 0.6274, 0.0691, 0.0164 ),
2497	vec3( 0.3293, 0.9195, 0.0880 ),
2498	vec3( 0.0433, 0.0113, 0.8956 )
2499);
2500vec3 agxDefaultContrastApprox( vec3 x ) {
2501	vec3 x2 = x * x;
2502	vec3 x4 = x2 * x2;
2503	return + 15.5 * x4 * x2
2504		- 40.14 * x4 * x
2505		+ 31.96 * x4
2506		- 6.868 * x2 * x
2507		+ 0.4298 * x2
2508		+ 0.1191 * x
2509		- 0.00232;
2510}
2511vec3 AgXToneMapping( vec3 color ) {
2512	const mat3 AgXInsetMatrix = mat3(
2513		vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),
2514		vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),
2515		vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )
2516	);