polygonjs-engine/dist/all.js

node-based webgl 3D engine https://polygonjs.com

/*! For license information please see all.js.LICENSE.txt */
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r={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},s={h:0,s:0,l:0},o={h:0,s:0,l:0};function a(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function c(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function l(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}class u{constructor(t,e,n){return Object.defineProperty(this,"isColor",{value:!0}),void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}set(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,this}setRGB(t,e,n){return this.r=t,this.g=e,this.b=n,this}setHSL(t,e,n){if(t=i.a.euclideanModulo(t,1),e=i.a.clamp(e,0,1),n=i.a.clamp(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=a(r,i,t+1/3),this.g=a(r,i,t),this.b=a(r,i,t-1/3)}return this}setStyle(t){function e(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(t)){let t;const i=n[1],r=n[2];switch(i){case"rgb":case"rgba":if(t=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))return this.r=Math.min(255,parseInt(t[1],10))/255,this.g=Math.min(255,parseInt(t[2],10))/255,this.b=Math.min(255,parseInt(t[3],10))/255,e(t[4]),this;if(t=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r))return this.r=Math.min(100,parseInt(t[1],10))/100,this.g=Math.min(100,parseInt(t[2],10))/100,this.b=Math.min(100,parseInt(t[3],10))/100,e(t[4]),this;break;case"hsl":case"hsla":if(t=/^(\d*\.?\d+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(r)){const n=parseFloat(t[1])/360,i=parseInt(t[2],10)/100,r=parseInt(t[3],10)/100;return e(t[4]),this.setHSL(n,i,r)}}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(t)){const t=n[1],e=t.length;if(3===e)return this.r=parseInt(t.charAt(0)+t.charAt(0),16)/255,this.g=parseInt(t.charAt(1)+t.charAt(1),16)/255,this.b=parseInt(t.charAt(2)+t.charAt(2),16)/255,this;if(6===e)return this.r=parseInt(t.charAt(0)+t.charAt(1),16)/255,this.g=parseInt(t.charAt(2)+t.charAt(3),16)/255,this.b=parseInt(t.charAt(4)+t.charAt(5),16)/255,this}return t&&t.length>0?this.setColorName(t):this}setColorName(t){const e=r[t];return void 0!==e?this.setHex(e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copyGammaToLinear(t,e=2){return this.r=Math.pow(t.r,e),this.g=Math.pow(t.g,e),this.b=Math.pow(t.b,e),this}copyLinearToGamma(t,e=2){const n=e>0?1/e:1;return this.r=Math.pow(t.r,n),this.g=Math.pow(t.g,n),this.b=Math.pow(t.b,n),this}convertGammaToLinear(t){return this.copyGammaToLinear(this,t),this}convertLinearToGamma(t){return this.copyLinearToGamma(this,t),this}copySRGBToLinear(t){return this.r=c(t.r),this.g=c(t.g),this.b=c(t.b),this}copyLinearToSRGB(t){return this.r=l(t.r),this.g=l(t.g),this.b=l(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0}getHexString(){return("000000"+this.getHex().toString(16)).slice(-6)}getHSL(t){void 0===t&&(console.warn("THREE.Color: .getHSL() target is now required"),t={h:0,s:0,l:0});const e=this.r,n=this.g,i=this.b,r=Math.max(e,n,i),s=Math.min(e,n,i);let o,a;const c=(s+r)/2;if(s===r)o=0,a=0;else{const t=r-s;switch(a=c<=.5?t/(r+s):t/(2-r-s),r){case e:o=(n-i)/t+(n<i?6:0);break;case n:o=(i-e)/t+2;break;case i:o=(e-n)/t+4}o/=6}return t.h=o,t.s=a,t.l=c,t}getStyle(){return"rgb("+(255*this.r|0)+","+(255*this.g|0)+","+(255*this.b|0)+")"}offsetHSL(t,e,n){return this.getHSL(s),s.h+=t,s.s+=e,s.l+=n,this.setHSL(s.h,s.s,s.l),this}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpHSL(t,e){this.getHSL(s),t.getHSL(o);const n=i.a.lerp(s.h,o.h,e),r=i.a.lerp(s.s,o.s,e),a=i.a.lerp(s.l,o.l,e);return this.setHSL(n,r,a),this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),!0===t.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}u.NAMES=r,u.prototype.r=1,u.prototype.g=1,u.prototype.b=1},function(t,e,n){"use strict";n.d(e,"a",(function(){return w}));var i=n(1),r=n(29),s=n(24),o=n(3),a=n(31),c=n(2);class l{constructor(){this.vertices=[],this.normals=[],this.colors=[],this.uvs=[],this.uvs2=[],this.groups=[],this.morphTargets={},this.skinWeights=[],this.skinIndices=[],this.boundingBox=null,this.boundingSphere=null,this.verticesNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.uvsNeedUpdate=!1,this.groupsNeedUpdate=!1}computeGroups(t){const e=[];let n,i,r;const s=t.faces;for(i=0;i<s.length;i++){const t=s[i];t.materialIndex!==r&&(r=t.materialIndex,void 0!==n&&(n.count=3*i-n.start,e.push(n)),n={start:3*i,materialIndex:r})}void 0!==n&&(n.count=3*i-n.start,e.push(n)),this.groups=e}fromGeometry(t){const e=t.faces,n=t.vertices,i=t.faceVertexUvs,r=i[0]&&i[0].length>0,s=i[1]&&i[1].length>0,o=t.morphTargets,a=o.length;let l;if(a>0){l=[];for(let t=0;t<a;t++)l[t]={name:o[t].name,data:[]};this.morphTargets.position=l}const u=t.morphNormals,h=u.length;let _;if(h>0){_=[];for(let t=0;t<h;t++)_[t]={name:u[t].name,data:[]};this.morphTargets.normal=_}const d=t.skinIndices,p=t.skinWeights,m=d.length===n.length,f=p.length===n.length;n.length>0&&0===e.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(let t=0;t<e.length;t++){const g=e[t];this.vertices.push(n[g.a],n[g.b],n[g.c]);const v=g.vertexNormals;if(3===v.length)this.normals.push(v[0],v[1],v[2]);else{const t=g.normal;this.normals.push(t,t,t)}const y=g.vertexColors;if(3===y.length)this.colors.push(y[0],y[1],y[2]);else{const t=g.color;this.colors.push(t,t,t)}if(!0===r){const e=i[0][t];void 0!==e?this.uvs.push(e[0],e[1],e[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ",t),this.uvs.push(new c.a,new c.a,new c.a))}if(!0===s){const e=i[1][t];void 0!==e?this.uvs2.push(e[0],e[1],e[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ",t),this.uvs2.push(new c.a,new c.a,new c.a))}for(let t=0;t<a;t++){const e=o[t].vertices;l[t].data.push(e[g.a],e[g.b],e[g.c])}for(let e=0;e<h;e++){const n=u[e].vertexNormals[t];_[e].data.push(n.a,n.b,n.c)}m&&this.skinIndices.push(d[g.a],d[g.b],d[g.c]),f&&this.skinWeights.push(p[g.a],p[g.b],p[g.c])}return this.computeGroups(t),this.verticesNeedUpdate=t.verticesNeedUpdate,this.normalsNeedUpdate=t.normalsNeedUpdate,this.colorsNeedUpdate=t.colorsNeedUpdate,this.uvsNeedUpdate=t.uvsNeedUpdate,this.groupsNeedUpdate=t.groupsNeedUpdate,null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this}}var u=n(12),h=n(10),_=n(17),d=n(7),p=n(40);let m=1;const f=new h.a,g=new u.a,v=new i.a,y=new r.a,x=new r.a,b=new i.a;function w(){Object.defineProperty(this,"id",{value:m+=2}),this.uuid=d.a.generateUUID(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}w.prototype=Object.assign(Object.create(s.a.prototype),{constructor:w,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(t){return Array.isArray(t)?this.index=new(Object(p.a)(t)>65535?o.e:o.d)(t,1):this.index=t,this},getAttribute:function(t){return this.attributes[t]},setAttribute:function(t,e){return this.attributes[t]=e,this},deleteAttribute:function(t){return delete this.attributes[t],this},hasAttribute:function(t){return void 0!==this.attributes[t]},addGroup:function(t,e,n=0){this.groups.push({start:t,count:e,materialIndex:n})},clearGroups:function(){this.groups=[]},setDrawRange:function(t,e){this.drawRange.start=t,this.drawRange.count=e},applyMatrix4:function(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const e=(new _.a).getNormalMatrix(t);n.applyNormalMatrix(e),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(t),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(t){return f.makeRotationX(t),this.applyMatrix4(f),this},rotateY:function(t){return f.makeRotationY(t),this.applyMatrix4(f),this},rotateZ:function(t){return f.makeRotationZ(t),this.applyMatrix4(f),this},translate:function(t,e,n){return f.makeTranslation(t,e,n),this.applyMatrix4(f),this},scale:function(t,e,n){return f.makeScale(t,e,n),this.applyMatrix4(f),this},lookAt:function(t){return g.lookAt(t),g.updateMatrix(),this.applyMatrix4(g.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(v).negate(),this.translate(v.x,v.y,v.z),this},setFromObject:function(t){const e=t.geometry;if(t.isPoints||t.isLine){const t=new o.b(3*e.vertices.length,3),n=new o.b(3*e.colors.length,3);if(this.setAttribute("position",t.copyVector3sArray(e.vertices)),this.setAttribute("color",n.copyColorsArray(e.colors)),e.lineDistances&&e.lineDistances.length===e.vertices.length){const t=new o.b(e.lineDistances.length,1);this.setAttribute("lineDistance",t.copyArray(e.lineDistances))}null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone())}else t.isMesh&&e&&e.isGeometry&&this.fromGeometry(e);return this},setFromPoints:function(t){const e=[];for(let n=0,i=t.length;n<i;n++){const i=t[n];e.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new o.b(e,3)),this},updateFromObject:function(t){let e=t.geometry;if(t.isMesh){let t=e.__directGeometry;if(!0===e.elementsNeedUpdate&&(t=void 0,e.elementsNeedUpdate=!1),void 0===t)return this.fromGeometry(e);t.verticesNeedUpdate=e.verticesNeedUpdate,t.normalsNeedUpdate=e.normalsNeedUpdate,t.colorsNeedUpdate=e.colorsNeedUpdate,t.uvsNeedUpdate=e.uvsNeedUpdate,t.groupsNeedUpdate=e.groupsNeedUpdate,e.verticesNeedUpdate=!1,e.normalsNeedUpdate=!1,e.colorsNeedUpdate=!1,e.uvsNeedUpdate=!1,e.groupsNeedUpdate=!1,e=t}if(!0===e.verticesNeedUpdate){const t=this.attributes.position;void 0!==t&&(t.copyVector3sArray(e.vertices),t.needsUpdate=!0),e.verticesNeedUpdate=!1}if(!0===e.normalsNeedUpdate){const t=this.attributes.normal;void 0!==t&&(t.copyVector3sArray(e.normals),t.needsUpdate=!0),e.normalsNeedUpdate=!1}if(!0===e.colorsNeedUpdate){const t=this.attributes.color;void 0!==t&&(t.copyColorsArray(e.colors),t.needsUpdate=!0),e.colorsNeedUpdate=!1}if(e.uvsNeedUpdate){const t=this.attributes.uv;void 0!==t&&(t.copyVector2sArray(e.uvs),t.needsUpdate=!0),e.uvsNeedUpdate=!1}if(e.lineDistancesNeedUpdate){const t=this.attributes.lineDistance;void 0!==t&&(t.copyArray(e.lineDistances),t.needsUpdate=!0),e.lineDistancesNeedUpdate=!1}return e.groupsNeedUpdate&&(e.computeGroups(t.geometry),this.groups=e.groups,e.groupsNeedUpdate=!1),this},fromGeometry:function(t){return t.__directGeometry=(new l).fromGeometry(t),this.fromDirectGeometry(t.__directGeometry)},fromDirectGeometry:function(t){const e=new Float32Array(3*t.vertices.length);if(this.setAttribute("position",new o.a(e,3).copyVector3sArray(t.vertices)),t.normals.length>0){const e=new Float32Array(3*t.normals.length);this.setAttribute("normal",new o.a(e,3).copyVector3sArray(t.normals))}if(t.colors.length>0){const e=new Float32Array(3*t.colors.length);this.setAttribute("color",new o.a(e,3).copyColorsArray(t.colors))}if(t.uvs.length>0){const e=new Float32Array(2*t.uvs.length);this.setAttribute("uv",new o.a(e,2).copyVector2sArray(t.uvs))}if(t.uvs2.length>0){const e=new Float32Array(2*t.uvs2.length);this.setAttribute("uv2",new o.a(e,2).copyVector2sArray(t.uvs2))}this.groups=t.groups;for(const e in t.morphTargets){const n=[],i=t.morphTargets[e];for(let t=0,e=i.length;t<e;t++){const e=i[t],r=new o.b(3*e.data.length,3);r.name=e.name,n.push(r.copyVector3sArray(e.data))}this.morphAttributes[e]=n}if(t.skinIndices.length>0){const e=new o.b(4*t.skinIndices.length,4);this.setAttribute("skinIndex",e.copyVector4sArray(t.skinIndices))}if(t.skinWeights.length>0){const e=new o.b(4*t.skinWeights.length,4);this.setAttribute("skinWeight",e.copyVector4sArray(t.skinWeights))}return null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone()),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new r.a);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new i.a(-1/0,-1/0,-1/0),new i.a(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];y.setFromBufferAttribute(n),this.morphTargetsRelative?(b.addVectors(this.boundingBox.min,y.min),this.boundingBox.expandByPoint(b),b.addVectors(this.boundingBox.max,y.max),this.boundingBox.expandByPoint(b)):(this.boundingBox.expandByPoint(y.min),this.boundingBox.expandByPoint(y.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new a.a);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new i.a,1/0);if(t){const n=this.boundingSphere.center;if(y.setFromBufferAttribute(t),e)for(let t=0,n=e.length;t<n;t++){const n=e[t];x.setFromBufferAttribute(n),this.morphTargetsRelative?(b.addVectors(y.min,x.min),y.expandByPoint(b),b.addVectors(y.max,x.max),y.expandByPoint(b)):(y.expandByPoint(x.min),y.expandByPoint(x.max))}y.getCenter(n);let i=0;for(let e=0,r=t.count;e<r;e++)b.fromBufferAttribute(t,e),i=Math.max(i,n.distanceToSquared(b));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],o=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)b.fromBufferAttribute(s,e),o&&(v.fromBufferAttribute(t,e),b.add(v)),i=Math.max(i,n.distanceToSquared(b))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}},computeFaceNormals:function(){},computeVertexNormals:function(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let n=this.getAttribute("normal");if(void 0===n)n=new o.a(new Float32Array(3*e.count),3),this.setAttribute("normal",n);else for(let t=0,e=n.count;t<e;t++)n.setXYZ(t,0,0,0);const r=new i.a,s=new i.a,a=new i.a,c=new i.a,l=new i.a,u=new i.a,h=new i.a,_=new i.a;if(t)for(let i=0,o=t.count;i<o;i+=3){const o=t.getX(i+0),d=t.getX(i+1),p=t.getX(i+2);r.fromBufferAttribute(e,o),s.fromBufferAttribute(e,d),a.fromBufferAttribute(e,p),h.subVectors(a,s),_.subVectors(r,s),h.cross(_),c.fromBufferAttribute(n,o),l.fromBufferAttribute(n,d),u.fromBufferAttribute(n,p),c.add(h),l.add(h),u.add(h),n.setXYZ(o,c.x,c.y,c.z),n.setXYZ(d,l.x,l.y,l.z),n.setXYZ(p,u.x,u.y,u.z)}else for(let t=0,i=e.count;t<i;t+=3)r.fromBufferAttribute(e,t+0),s.fromBufferAttribute(e,t+1),a.fromBufferAttribute(e,t+2),h.subVectors(a,s),_.subVectors(r,s),h.cross(_),n.setXYZ(t+0,h.x,h.y,h.z),n.setXYZ(t+1,h.x,h.y,h.z),n.setXYZ(t+2,h.x,h.y,h.z);this.normalizeNormals(),n.needsUpdate=!0}},merge:function(t,e){if(!t||!t.isBufferGeometry)return void console.error("THREE.BufferGeometry.merge(): geometry not an instance of THREE.BufferGeometry.",t);void 0===e&&(e=0,console.warn("THREE.BufferGeometry.merge(): Overwriting original geometry, starting at offset=0. Use BufferGeometryUtils.mergeBufferGeometries() for lossless merge."));const n=this.attributes;for(const i in n){if(void 0===t.attributes[i])continue;const r=n[i].array,s=t.attributes[i],o=s.array,a=s.itemSize*e,c=Math.min(o.length,r.length-a);for(let t=0,e=a;t<c;t++,e++)r[e]=o[t]}return this},normalizeNormals:function(){const t=this.attributes.normal;for(let e=0,n=t.count;e<n;e++)b.fromBufferAttribute(t,e),b.normalize(),t.setXYZ(e,b.x,b.y,b.z)},toNonIndexed:function(){function t(t,e){const n=t.array,i=t.itemSize,r=t.normalized,s=new n.constructor(e.length*i);let a=0,c=0;for(let t=0,r=e.length;t<r;t++){a=e[t]*i;for(let t=0;t<i;t++)s[c++]=n[a++]}return new o.a(s,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): Geometry is already non-indexed."),this;const e=new w,n=this.index.array,i=this.attributes;for(const r in i){const s=t(i[r],n);e.setAttribute(r,s)}const r=this.morphAttributes;for(const i in r){const s=[],o=r[i];for(let e=0,i=o.length;e<i;e++){const i=t(o[e],n);s.push(i)}e.morphAttributes[i]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,n=s.length;t<n;t++){const n=s[t];e.addGroup(n.start,n.count,n.materialIndex)}return e},toJSON:function(){const t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const n in e)void 0!==e[n]&&(t[n]=e[n]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const n=this.attributes;for(const e in n){const i=n[e],r=i.toJSON(t.data);""!==i.name&&(r.name=i.name),t.data.attributes[e]=r}const i={};let r=!1;for(const e in this.morphAttributes){const n=this.morphAttributes[e],s=[];for(let e=0,i=n.length;e<i;e++){const i=n[e],r=i.toJSON(t.data);""!==i.name&&(r.name=i.name),s.push(r)}s.length>0&&(i[e]=s,r=!0)}r&&(t.data.morphAttributes=i,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const o=this.boundingSphere;return null!==o&&(t.data.boundingSphere={center:o.center.toArray(),radius:o.radius}),t},clone:function(){return(new w).copy(this)},copy:function(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const n=t.index;null!==n&&this.setIndex(n.clone(e));const i=t.attributes;for(const t in i){const n=i[t];this.setAttribute(t,n.clone(e))}const r=t.morphAttributes;for(const t in r){const n=[],i=r[t];for(let t=0,r=i.length;t<r;t++)n.push(i[t].clone(e));this.morphAttributes[t]=n}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const o=t.boundingBox;null!==o&&(this.boundingBox=o.clone());const a=t.boundingSphere;return null!==a&&(this.boundingSphere=a.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,this},dispose:function(){this.dispatchEvent({type:"dispose"})}})},function(t,e,n){"use strict";n.d(e,"a",(function(){return s}));var i=n(9),r=n(8);function s(t){i.a.call(this),this.type="ShaderMaterial",this.defines={},this.uniforms={},this.vertexShader="\nvoid main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}\n",this.fragmentShader="\nvoid main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}\n",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.skinning=!1,this.morphTargets=!1,this.morphNormals=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&(void 0!==t.attributes&&console.error("THREE.ShaderMaterial: attributes should now be defined in THREE.BufferGeometry instead."),this.setValues(t))}s.prototype=Object.create(i.a.prototype),s.prototype.constructor=s,s.prototype.isShaderMaterial=!0,s.prototype.copy=function(t){return i.a.prototype.copy.call(this,t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=Object(r.b)(t.uniforms)