var ogl=function(t){"use strict";function e(t){let e=t[0],i=t[1],r=t[2];return Math.sqrt(e*e+i*i+r*r)}function i(t,e){return t[0]=e[0],t[1]=e[1],t[2]=e[2],t}function r(t,e,i){return t[0]=e[0]+i[0],t[1]=e[1]+i[1],t[2]=e[2]+i[2],t}function s(t,e,i){return t[0]=e[0]-i[0],t[1]=e[1]-i[1],t[2]=e[2]-i[2],t}function n(t,e,i){return t[0]=e[0]*i,t[1]=e[1]*i,t[2]=e[2]*i,t}function a(t,e){let i=e[0],r=e[1],s=e[2],n=i*i+r*r+s*s;return n>0&&(n=1/Math.sqrt(n)),t[0]=e[0]*n,t[1]=e[1]*n,t[2]=e[2]*n,t}function h(t,e){return t[0]*e[0]+t[1]*e[1]+t[2]*e[2]}const o=function(){const t=[0,0,0],e=[0,0,0];return function(r,s){i(t,r),i(e,s),a(t,t),a(e,e);let n=h(t,e);return n>1?0:n<-1?Math.PI:Math.acos(n)}}();class l extends Array{constructor(t=0,e=t,i=t){return super(t,e,i),this}get x(){return this[0]}set x(t){this[0]=t}get y(){return this[1]}set y(t){this[1]=t}get z(){return this[2]}set z(t){this[2]=t}set(t,e=t,i=t){return t.length?this.copy(t):(function(t,e,i,r){t[0]=e,t[1]=i,t[2]=r}(this,t,e,i),this)}copy(t){return i(this,t),this}add(t,e){return e?r(this,t,e):r(this,this,t),this}sub(t,e){return e?s(this,t,e):s(this,this,t),this}multiply(t){var e,i,r;return t.length?(i=this,r=t,(e=this)[0]=i[0]*r[0],e[1]=i[1]*r[1],e[2]=i[2]*r[2]):n(this,this,t),this}divide(t){var e,i,r;return t.length?(i=this,r=t,(e=this)[0]=i[0]/r[0],e[1]=i[1]/r[1],e[2]=i[2]/r[2]):n(this,this,1/t),this}inverse(t=this){var e,i;return i=t,(e=this)[0]=1/i[0],e[1]=1/i[1],e[2]=1/i[2],this}len(){return e(this)}distance(t){return t?function(t,e){let i=e[0]-t[0],r=e[1]-t[1],s=e[2]-t[2];return Math.sqrt(i*i+r*r+s*s)}(this,t):e(this)}squaredLen(){return this.squaredDistance()}squaredDistance(t){return t?function(t,e){let i=e[0]-t[0],r=e[1]-t[1],s=e[2]-t[2];return i*i+r*r+s*s}(this,t):function(t){let e=t[0],i=t[1],r=t[2];return e*e+i*i+r*r}(this)}negate(t=this){var e,i;return i=t,(e=this)[0]=-i[0],e[1]=-i[1],e[2]=-i[2],this}cross(t,e){return function(t,e,i){let r=e[0],s=e[1],n=e[2],a=i[0],h=i[1],o=i[2];t[0]=s*o-n*h,t[1]=n*a-r*o,t[2]=r*h-s*a}(this,t,e),this}scale(t){return n(this,this,t),this}normalize(){return a(this,this),this}dot(t){return h(this,t)}equals(t){return i=t,(e=this)[0]===i[0]&&e[1]===i[1]&&e[2]===i[2];var e,i}applyMatrix4(t){return function(t,e,i){let r=e[0],s=e[1],n=e[2],a=i[3]*r+i[7]*s+i[11]*n+i[15];a=a||1,t[0]=(i[0]*r+i[4]*s+i[8]*n+i[12])/a,t[1]=(i[1]*r+i[5]*s+i[9]*n+i[13])/a,t[2]=(i[2]*r+i[6]*s+i[10]*n+i[14])/a}(this,this,t),this}applyQuaternion(t){return function(t,e,i){let r=e[0],s=e[1],n=e[2],a=i[0],h=i[1],o=i[2],l=h*n-o*s,u=o*r-a*n,c=a*s-h*r,d=h*c-o*u,g=o*l-a*c,p=a*u-h*l,m=2*i[3];l*=m,u*=m,c*=m,d*=2,g*=2,p*=2,t[0]=r+l+d,t[1]=s+u+g,t[2]=n+c+p}(this,this,t),this}angle(t){return o(this,t)}lerp(t,e){return function(t,e,i,r){let s=e[0],n=e[1],a=e[2];t[0]=s+r*(i[0]-s),t[1]=n+r*(i[1]-n),t[2]=a+r*(i[2]-a)}(this,this,t,e),this}clone(){return new l(this[0],this[1],this[2])}fromArray(t,e=0){return this[0]=t[e],this[1]=t[e+1],this[2]=t[e+2],this}toArray(t=[],e=0){return t[e]=this[0],t[e+1]=this[1],t[e+2]=this[2],t}transformDirection(t){const e=this[0],i=this[1],r=this[2];return this[0]=t[0]*e+t[4]*i+t[8]*r,this[1]=t[1]*e+t[5]*i+t[9]*r,this[2]=t[2]*e+t[6]*i+t[10]*r,this.normalize()}}const u=new l;let c=0,d=0;class g{constructor(t,e={}){this.gl=t,this.attributes=e,this.id=c++,this.VAOs={},this.drawRange={start:0,count:0},this.instancedCount=0,this.gl.renderer.bindVertexArray(null),this.gl.renderer.currentGeometry=null,this.glState=this.gl.renderer.state;for(let t in e)this.addAttribute(t,e[t])}addAttribute(t,e){if(this.attributes[t]=e,e.id=d++,e.size=e.size||1,e.type=e.type||(e.data.constructor===Float32Array?this.gl.FLOAT:e.data.constructor===Uint16Array?this.gl.UNSIGNED_SHORT:this.gl.UNSIGNED_INT),e.target="index"===t?this.gl.ELEMENT_ARRAY_BUFFER:this.gl.ARRAY_BUFFER,e.normalize=e.normalize||!1,e.buffer=this.gl.createBuffer(),e.count=e.data.length/e.size,e.divisor=e.instanced||0,e.needsUpdate=!1,this.updateAttribute(e),e.divisor){if(this.isInstanced=!0,this.instancedCount&&this.instancedCount!==e.count*e.divisor)return console.warn("geometry has multiple instanced buffers of different length"),this.instancedCount=Math.min(this.instancedCount,e.count*e.divisor);this.instancedCount=e.count*e.divisor}else"index"===t?this.drawRange.count=e.count:this.attributes.index||(this.drawRange.count=Math.max(this.drawRange.count,e.count))}updateAttribute(t){this.glState.boundBuffer!==t.id&&(this.gl.bindBuffer(t.target,t.buffer),this.glState.boundBuffer=t.id),this.gl.bufferData(t.target,t.data,this.gl.STATIC_DRAW),t.needsUpdate=!1}setIndex(t){this.addAttribute("index",t)}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}setInstancedCount(t){this.instancedCount=t}createVAO(t){this.VAOs[t.attributeOrder]=this.gl.renderer.createVertexArray(),this.gl.renderer.bindVertexArray(this.VAOs[t.attributeOrder]),this.bindAttributes(t)}bindAttributes(t){t.attributeLocations.forEach((t,e)=>{if(!this.attributes[e])return void console.warn(`active attribute ${e} not being supplied`);const i=this.attributes[e];this.gl.bindBuffer(i.target,i.buffer),this.glState.boundBuffer=i.id,this.gl.vertexAttribPointer(t,i.size,i.type,i.normalize,0,0),this.gl.enableVertexAttribArray(t),this.gl.renderer.vertexAttribDivisor(t,i.divisor)}),this.attributes.index&&this.gl.bindBuffer(this.gl.ELEMENT_ARRAY_BUFFER,this.attributes.index.buffer)}draw({program:t,mode:e=this.gl.TRIANGLES}){this.gl.renderer.currentGeometry!==`${this.id}_${t.attributeOrder}`&&(this.VAOs[t.attributeOrder]||this.createVAO(t),this.gl.renderer.bindVertexArray(this.VAOs[t.attributeOrder]),this.gl.renderer.currentGeometry=`${this.id}_${t.attributeOrder}`),t.attributeLocations.forEach((t,e)=>{const i=this.attributes[e];i.needsUpdate&&this.updateAttribute(i)}),this.isInstanced?this.attributes.index?this.gl.renderer.drawElementsInstanced(e,this.drawRange.count,this.attributes.index.type,this.drawRange.start,this.instancedCount):this.gl.renderer.drawArraysInstanced(e,this.drawRange.start,this.drawRange.count,this.instancedCount):this.attributes.index?this.gl.drawElements(e,this.drawRange.count,this.attributes.index.type,this.drawRange.start):this.gl.drawArrays(e,this.drawRange.start,this.drawRange.count)}computeBoundingBox(t){!t&&this.attributes.position&&(t=this.attributes.position.data),t||console.warn("No position buffer found to compute bounds"),this.bounds||(this.bounds={min:new l,max:new l,center:new l,scale:new l,radius:1/0});const e=this.bounds.min,i=this.bounds.max,r=this.bounds.center,s=this.bounds.scale;e.set(1/0),i.set(-1/0);for(let r=0,s=t.length;r<s;r+=3){const s=t[r],n=t[r+1],a=t[r+2];e.x=Math.min(s,e.x),e.y=Math.min(n,e.y),e.z=Math.min(a,e.z),i.x=Math.max(s,i.x),i.y=Math.max(n,i.y),i.z=Math.max(a,i.z)}s.sub(i,e),r.add(e,i).divide(2)}computeBoundingSphere(t){!t&&this.attributes.position&&(t=this.attributes.position.data),t||console.warn("No position buffer found to compute bounds"),this.bounds||this.computeBoundingBox(t);let e=0;for(let i=0,r=t.length;i<r;i+=3)u.fromArray(t,i),e=Math.max(e,this.bounds.center.squaredDistance(u));this.bounds.radius=Math.sqrt(e)}remove(){this.vao&&this.gl.renderer.deleteVertexArray(this.vao);for(let t in this.attributes)this.gl.deleteBuffer(this.attributes[t].buffer),delete this.attributes[t]}}let p=0;const m={};class f{constructor(t,{vertex:e,fragment:i,uniforms:r={},transparent:s=!1,cullFace:n=t.BACK,frontFace:a=t.CCW,depthTest:h=!0,depthWrite:o=!0,depthFunc:l=t.LESS}={}){this.gl=t,this.uniforms=r,this.id=p++,e||console.warn("vertex shader not supplied"),i||console.warn("fragment shader not supplied"),this.transparent=s,this.cullFace=n,this.frontFace=a,this.depthTest=h,this.depthWrite=o,this.depthFunc=l,this.blendFunc={},this.blendEquation={},this.transparent&&!this.blendFunc.src&&(this.gl.renderer.premultipliedAlpha?this.setBlendFunc(this.gl.ONE,this.gl.ONE_MINUS_SRC_ALPHA):this.setBlendFunc(this.gl.SRC_ALPHA,this.gl.ONE_MINUS_SRC_ALPHA));const u=t.createShader(t.VERTEX_SHADER);t.shaderSource(u,e),t.compileShader(u),""!==t.getShaderInfoLog(u)&&console.warn(`${t.getShaderInfoLog(u)}\nVertex Shader\n${w(e)}`);const c=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(c,i),t.compileShader(c),""!==t.getShaderInfoLog(c)&&console.warn(`${t.getShaderInfoLog(c)}\nFragment Shader\n${w(i)}`),this.program=t.createProgram(),t.attachShader(this.program,u),t.attachShader(this.program,c),t.linkProgram(this.program),!t.getProgramParameter(this.program,t.LINK_STATUS))return console.warn(t.getProgramInfoLog(this.program));t.deleteShader(u),t.deleteShader(c),this.uniformLocations=new Map;let d=t.getProgramParameter(this.program,t.ACTIVE_UNIFORMS);for(let e=0;e<d;e++){let i=t.getActiveUniform(this.program,e);this.uniformLocations.set(i,t.getUniformLocation(this.program,i.name));const r=i.name.match(/(\w+)/g);i.uniformName=r[0],3===r.length?(i.isStructArray=!0,i.structIndex=Number(r[1]),i.structProperty=r[2]):2===r.length&&isNaN(Number(r[1]))&&(i.isStruct=!0,i.structProperty=r[1])}this.attributeLocations=new Map;const g=[],m=t.getProgramParameter(this.program,t.ACTIVE_ATTRIBUTES);for(let e=0;e<m;e++){const i=t.getActiveAttrib(this.program,e),r=t.getAttribLocation(this.program,i.name);g[r]=i.name,this.attributeLocations.set(i.name,r)}this.attributeOrder=g.join("")}setBlendFunc(t,e,i,r){this.blendFunc.src=t,this.blendFunc.dst=e,this.blendFunc.srcAlpha=i,this.blendFunc.dstAlpha=r,t&&(this.transparent=!0)}setBlendEquation(t,e){this.blendEquation.modeRGB=t,this.blendEquation.modeAlpha=e}applyState(){this.depthTest?this.gl.renderer.enable(this.gl.DEPTH_TEST):this.gl.renderer.disable(this.gl.DEPTH_TEST),this.cullFace?this.gl.renderer.enable(this.gl.CULL_FACE):this.gl.renderer.disable(this.gl.CULL_FACE),this.blendFunc.src?this.gl.renderer.enable(this.gl.BLEND):this.gl.renderer.disable(this.gl.BLEND),this.cullFace&&this.gl.renderer.setCullFace(this.cullFace),this.gl.renderer.setFrontFace(this.frontFace),this.gl.renderer.setDepthMask(this.depthWrite),this.gl.renderer.setDepthFunc(this.depthFunc),this.blendFunc.src&&this.gl.renderer.setBlendFunc(this.blendFunc.src,this.blendFunc.dst,this.blendFunc.srcAlpha,this.blendFunc.dstAlpha),this.blendEquation.modeRGB&&this.gl.renderer.setBlendEquation(this.blendEquation.modeRGB,this.blendEquation.modeAlpha)}use({flipFaces:t=!1}={}){let e=-1;this.gl.renderer.currentProgram===this.id||(this.gl.useProgram(this.program),this.gl.renderer.currentProgram=this.id),this.uniformLocations.forEach((t,i)=>{let r=i.uniformName,s=this.uniforms[r];if(i.isStruct&&(s=s[i.structProperty],r+=`.${i.structProperty}`),i.isStructArray&&(s=s[i.structIndex][i.structProperty],r+=`[${i.structIndex}].${i.structProperty}`),!s)return M(`Active uniform ${r} has not been supplied`);if(s&&void 0===s.value)return M(`${r} uniform is missing a value parameter`);if(s.value.texture)return e+=1,s.value.update(e),x(this.gl,i.type,t,e);if(s.value.length&&s.value[0].texture){const r=[];return s.value.forEach(t=>{e+=1,t.update(e),r.push(e)}),x(this.gl,i.type,t,r)}x(this.gl,i.type,t,s.value)}),this.applyState(),t&&this.gl.renderer.setFrontFace(this.frontFace===this.gl.CCW?this.gl.CW:this.gl.CCW)}remove(){this.gl.deleteProgram(this.program)}}function x(t,e,i,r){r=r.length?function(t){const e=t.length,i=t[0].length;if(void 0===i)return t;const r=e*i;let s=m[r];s||(m[r]=s=new Float32Array(r));for(let r=0;r<e;r++)s.set(t[r],r*i);return s}(r):r;const s=t.renderer.state.uniformLocations.get(i);if(r.length)if(void 0===s)t.renderer.state.uniformLocations.set(i,r.slice(0));else{if(function(t,e){if(t.length!==e.length)return!1;for(let i=0,r=t.length;i<r;i++)if(t[i]!==e[i])return!1;return!0}(s,r))return;s.set(r),t.renderer.state.uniformLocations.set(i,s)}else{if(s===r)return;t.renderer.state.uniformLocations.set(i,r)}switch(e){case 5126:return r.length?t.uniform1fv(i,r):t.uniform1f(i,r);case 35664:return t.uniform2fv(i,r);case 35665:return t.uniform3fv(i,r);case 35666:return t.uniform4fv(i,r);case 35670:case 5124:case 35678:case 35680:return r.length?t.uniform1iv(i,r):t.uniform1i(i,r);case 35671:case 35667:return t.uniform2iv(i,r);case 35672:case 35668:return t.uniform3iv(i,r);case 35673:case 35669:return t.uniform4iv(i,r);case 35674:return t.uniformMatrix2fv(i,!1,r);case 35675:return t.uniformMatrix3fv(i,!1,r);case 35676:return t.uniformMatrix4fv(i,!1,r)}}function w(t){let e=t.split("\n");for(let t=0;t<e.length;t++)e[t]=t+1+": "+e[t];return e.join("\n")}let b=0;function M(t){b>100||(console.warn(t),++b>100&&console.warn("More than 100 program warnings - stopping logs."))}const v=new l;function A(t,e){return t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t}function E(t,e,i,r,s){return t[0]=e,t[1]=i,t[2]=r,t[3]=s,t}function y(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=i*i+r*r+s*s+n*n;return a>0&&(a=1/Math.sqrt(a)),t[0]=i*a,t[1]=r*a,t[2]=s*a,t[3]=n*a,t}function F(t,e,i){let r=e[0],s=e[1],n=e[2],a=e[3],h=i[0],o=i[1],l=i[2],u=i[3];return t[0]=r*u+a*h+s*l-n*o,t[1]=s*u+a*o+n*h-r*l,t[2]=n*u+a*l+r*o-s*h,t[3]=a*u-r*h-s*o-n*l,t}const T=A,_=E,R=function(t,e){return t[0]*e[0]+t[1]*e[1]+t[2]*e[2]+t[3]*e[3]},S=y;class N extends Array{constructor(t=0,e=0,i=0,r=1){return super(t,e,i,r),this.onChange=(()=>{}),this}get x(){return this[0]}set x(t){this[0]=t,this.onChange()}get y(){return this[1]}set y(t){this[1]=t,this.onChange()}get z(){return this[2]}set z(t){this[2]=t,this.onChange()}get w(){return this[3]}set w(t){this[3]=t,this.onChange()}identity(){var t;return(t=this)[0]=0,t[1]=0,t[2]=0,t[3]=1,this.onChange(),this}set(t,e,i,r){return t.length?this.copy(t):(_(this,t,e,i,r),this.onChange(),this)}rotateX(t){return function(t,e,i){i*=.5;let r=e[0],s=e[1],n=e[2],a=e[3],h=Math.sin(i),o=Math.cos(i);t[0]=r*o+a*h,t[1]=s*o+n*h,t[2]=n*o-s*h,t[3]=a*o-r*h}(this,this,t),this.onChange(),this}rotateY(t){return function(t,e,i){i*=.5;let r=e[0],s=e[1],n=e[2],a=e[3],h=Math.sin(i),o=Math.cos(i);t[0]=r*o-n*h,t[1]=s*o+a*h,t[2]=n*o+r*h,t[3]=a*o-s*h}(this,this,t),this.onChange(),this}rotateZ(t){return function(t,e,i){i*=.5;let r=e[0],s=e[1],n=e[2],a=e[3],h=Math.sin(i),o=Math.cos(i);t[0]=r*o+s*h,t[1]=s*o-r*h,t[2]=n*o+a*h,t[3]=a*o-n*h}(this,this,t),this.onChange(),this}inverse(t=this){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=i*i+r*r+s*s+n*n,h=a?1/a:0;t[0]=-i*h,t[1]=-r*h,t[2]=-s*h,t[3]=n*h}(this,t),this.onChange(),this}conjugate(t=this){var e,i;return i=t,(e=this)[0]=-i[0],e[1]=-i[1],e[2]=-i[2],e[3]=i[3],this.onChange(),this}copy(t){return T(this,t),this.onChange(),this}normalize(t=this){return S(this,t),this.onChange(),this}multiply(t,e){return e?F(this,t,e):F(this,this,t),this.onChange(),this}dot(t){return R(this,t)}fromMatrix3(t){return function(t,e){let i,r=e[0]+e[4]+e[8];if(r>0)i=Math.sqrt(r+1),t[3]=.5*i,i=.5/i,t[0]=(e[5]-e[7])*i,t[1]=(e[6]-e[2])*i,t[2]=(e[1]-e[3])*i;else{let r=0;e[4]>e[0]&&(r=1),e[8]>e[3*r+r]&&(r=2);let s=(r+1)%3,n=(r+2)%3;i=Math.sqrt(e[3*r+r]-e[3*s+s]-e[3*n+n]+1),t[r]=.5*i,i=.5/i,t[3]=(e[3*s+n]-e[3*n+s])*i,t[s]=(e[3*s+r]+e[3*r+s])*i,t[n]=(e[3*n+r]+e[3*r+n])*i}}(this,t),this.onChange(),this}fromEuler(t){return function(t,e,i="YXZ"){let r=Math.sin(.5*e[0]),s=Math.cos(.5*e[0]),n=Math.sin(.5*e[1]),a=Math.cos(.5*e[1]),h=Math.sin(.5*e[2]),o=Math.cos(.5*e[2]);"XYZ"===i?(t[0]=r*a*o+s*n*h,t[1]=s*n*o-r*a*h,t[2]=s*a*h+r*n*o,t[3]=s*a*o-r*n*h):"YXZ"===i?(t[0]=r*a*o+s*n*h,t[1]=s*n*o-r*a*h,t[2]=s*a*h-r*n*o,t[3]=s*a*o+r*n*h):"ZXY"===i?(t[0]=r*a*o-s*n*h,t[1]=s*n*o+r*a*h,t[2]=s*a*h+r*n*o,t[3]=s*a*o-r*n*h):"ZYX"===i?(t[0]=r*a*o-s*n*h,t[1]=s*n*o+r*a*h,t[2]=s*a*h-r*n*o,t[3]=s*a*o+r*n*h):"YZX"===i?(t[0]=r*a*o+s*n*h,t[1]=s*n*o+r*a*h,t[2]=s*a*h-r*n*o,t[3]=s*a*o-r*n*h):"XZY"===i&&(t[0]=r*a*o-s*n*h,t[1]=s*n*o-r*a*h,t[2]=s*a*h+r*n*o,t[3]=s*a*o+r*n*h)}(this,t,t.order),this}fromAxisAngle(t,e){return function(t,e,i){i*=.5;let r=Math.sin(i);t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=Math.cos(i)}(this,t,e),this}slerp(t,e){return function(t,e,i,r){let s,n,a,h,o,l=e[0],u=e[1],c=e[2],d=e[3],g=i[0],p=i[1],m=i[2],f=i[3];(n=l*g+u*p+c*m+d*f)<0&&(n=-n,g=-g,p=-p,m=-m,f=-f),1-n>1e-6?(s=Math.acos(n),a=Math.sin(s),h=Math.sin((1-r)*s)/a,o=Math.sin(r*s)/a):(h=1-r,o=r),t[0]=h*l+o*g,t[1]=h*u+o*p,t[2]=h*c+o*m,t[3]=h*d+o*f}(this,this,t,e),this}fromArray(t,e=0){return this[0]=t[e],this[1]=t[e+1],this[2]=t[e+2],this[3]=t[e+3],this}toArray(t=[],e=0){return t[e]=this[0],t[e+1]=this[1],t[e+2]=this[2],t[e+3]=this[3],t}}function L(t,e,i){let r=e[0],s=e[1],n=e[2],a=e[3],h=e[4],o=e[5],l=e[6],u=e[7],c=e[8],d=e[9],g=e[10],p=e[11],m=e[12],f=e[13],x=e[14],w=e[15],b=i[0],M=i[1],v=i[2],A=i[3];return t[0]=b*r+M*h+v*c+A*m,t[1]=b*s+M*o+v*d+A*f,t[2]=b*n+M*l+v*g+A*x,t[3]=b*a+M*u+v*p+A*w,b=i[4],M=i[5],v=i[6],A=i[7],t[4]=b*r+M*h+v*c+A*m,t[5]=b*s+M*o+v*d+A*f,t[6]=b*n+M*l+v*g+A*x,t[7]=b*a+M*u+v*p+A*w,b=i[8],M=i[9],v=i[10],A=i[11],t[8]=b*r+M*h+v*c+A*m,t[9]=b*s+M*o+v*d+A*f,t[10]=b*n+M*l+v*g+A*x,t[11]=b*a+M*u+v*p+A*w,b=i[12],M=i[13],v=i[14],A=i[15],t[12]=b*r+M*h+v*c+A*m,t[13]=b*s+M*o+v*d+A*f,t[14]=b*n+M*l+v*g+A*x,t[15]=b*a+M*u+v*p+A*w,t}class P extends Array{constructor(t=1,e=0,i=0,r=0,s=0,n=1,a=0,h=0,o=0,l=0,u=1,c=0,d=0,g=0,p=0,m=1){return super(t,e,i,r,s,n,a,h,o,l,u,c,d,g,p,m),this}set x(t){this[12]=t}get x(){return this[12]}set y(t){this[13]=t}get y(){return this[13]}set z(t){this[14]=t}get z(){return this[14]}set w(t){this[15]=t}get w(){return this[15]}set(t,e,i,r,s,n,a,h,o,l,u,c,d,g,p,m){return t.length?this.copy(t):(function(t,e,i,r,s,n,a,h,o,l,u,c,d,g,p,m,f){t[0]=e,t[1]=i,t[2]=r,t[3]=s,t[4]=n,t[5]=a,t[6]=h,t[7]=o,t[8]=l,t[9]=u,t[10]=c,t[11]=d,t[12]=g,t[13]=p,t[14]=m,t[15]=f}(this,t,e,i,r,s,n,a,h,o,l,u,c,d,g,p,m),this)}translate(t,e=this){return function(t,e,i){let r,s,n,a,h,o,l,u,c,d,g,p,m=i[0],f=i[1],x=i[2];e===t?(t[12]=e[0]*m+e[4]*f+e[8]*x+e[12],t[13]=e[1]*m+e[5]*f+e[9]*x+e[13],t[14]=e[2]*m+e[6]*f+e[10]*x+e[14],t[15]=e[3]*m+e[7]*f+e[11]*x+e[15]):(r=e[0],s=e[1],n=e[2],a=e[3],h=e[4],o=e[5],l=e[6],u=e[7],c=e[8],d=e[9],g=e[10],p=e[11],t[0]=r,t[1]=s,t[2]=n,t[3]=a,t[4]=h,t[5]=o,t[6]=l,t[7]=u,t[8]=c,t[9]=d,t[10]=g,t[11]=p,t[12]=r*m+h*f+c*x+e[12],t[13]=s*m+o*f+d*x+e[13],t[14]=n*m+l*f+g*x+e[14],t[15]=a*m+u*f+p*x+e[15])}(this,e,t),this}rotateX(t,e=this){return function(t,e,i){let r=Math.sin(i),s=Math.cos(i),n=e[4],a=e[5],h=e[6],o=e[7],l=e[8],u=e[9],c=e[10],d=e[11];e!==t&&(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[4]=n*s+l*r,t[5]=a*s+u*r,t[6]=h*s+c*r,t[7]=o*s+d*r,t[8]=l*s-n*r,t[9]=u*s-a*r,t[10]=c*s-h*r,t[11]=d*s-o*r}(this,e,t),this}rotateY(t,e=this){return function(t,e,i){let r=Math.sin(i),s=Math.cos(i),n=e[0],a=e[1],h=e[2],o=e[3],l=e[8],u=e[9],c=e[10],d=e[11];e!==t&&(t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=n*s-l*r,t[1]=a*s-u*r,t[2]=h*s-c*r,t[3]=o*s-d*r,t[8]=n*r+l*s,t[9]=a*r+u*s,t[10]=h*r+c*s,t[11]=o*r+d*s}(this,e,t),this}rotateZ(t,e=this){return function(t,e,i){let r=Math.sin(i),s=Math.cos(i),n=e[0],a=e[1],h=e[2],o=e[3],l=e[4],u=e[5],c=e[6],d=e[7];e!==t&&(t[8]=e[8],t[9]=e[9],t[10]=e[10],t[11]=e[11],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=n*s+l*r,t[1]=a*s+u*r,t[2]=h*s+c*r,t[3]=o*s+d*r,t[4]=l*s-n*r,t[5]=u*s-a*r,t[6]=c*s-h*r,t[7]=d*s-o*r}(this,e,t),this}scale(t,e=this){return function(t,e,i){let r=i[0],s=i[1],n=i[2];t[0]=e[0]*r,t[1]=e[1]*r,t[2]=e[2]*r,t[3]=e[3]*r,t[4]=e[4]*s,t[5]=e[5]*s,t[6]=e[6]*s,t[7]=e[7]*s,t[8]=e[8]*n,t[9]=e[9]*n,t[10]=e[10]*n,t[11]=e[11]*n,t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]}(this,e,"number"==typeof t?[t,t,t]:t),this}multiply(t,e){return e?L(this,t,e):L(this,this,t),this}identity(){var t;return(t=this)[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}copy(t){var e,i;return i=t,(e=this)[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}fromPerspective({fov:t,aspect:e,near:i,far:r}={}){return function(t,e,i,r,s){let n=1/Math.tan(e/2),a=1/(r-s);t[0]=n/i,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=(s+r)*a,t[11]=-1,t[12]=0,t[13]=0,t[14]=2*s*r*a,t[15]=0}(this,t,e,i,r),this}fromOrthogonal({left:t,right:e,bottom:i,top:r,near:s,far:n}){return function(t,e,i,r,s,n,a){let h=1/(e-i),o=1/(r-s),l=1/(n-a);t[0]=-2*h,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*o,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*l,t[11]=0,t[12]=(e+i)*h,t[13]=(s+r)*o,t[14]=(a+n)*l,t[15]=1}(this,t,e,i,r,s,n),this}fromQuaternion(t){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=i+i,h=r+r,o=s+s,l=i*a,u=r*a,c=r*h,d=s*a,g=s*h,p=s*o,m=n*a,f=n*h,x=n*o;t[0]=1-c-p,t[1]=u+x,t[2]=d-f,t[3]=0,t[4]=u-x,t[5]=1-l-p,t[6]=g+m,t[7]=0,t[8]=d+f,t[9]=g-m,t[10]=1-l-c,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1}(this,t),this}setPosition(t){return this.x=t[0],this.y=t[1],this.z=t[2],this}inverse(t=this){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=e[4],h=e[5],o=e[6],l=e[7],u=e[8],c=e[9],d=e[10],g=e[11],p=e[12],m=e[13],f=e[14],x=e[15],w=i*h-r*a,b=i*o-s*a,M=i*l-n*a,v=r*o-s*h,A=r*l-n*h,E=s*l-n*o,y=u*m-c*p,F=u*f-d*p,T=u*x-g*p,_=c*f-d*m,R=c*x-g*m,S=d*x-g*f,N=w*S-b*R+M*_+v*T-A*F+E*y;N&&(N=1/N,t[0]=(h*S-o*R+l*_)*N,t[1]=(s*R-r*S-n*_)*N,t[2]=(m*E-f*A+x*v)*N,t[3]=(d*A-c*E-g*v)*N,t[4]=(o*T-a*S-l*F)*N,t[5]=(i*S-s*T+n*F)*N,t[6]=(f*M-p*E-x*b)*N,t[7]=(u*E-d*M+g*b)*N,t[8]=(a*R-h*T+l*y)*N,t[9]=(r*T-i*R-n*y)*N,t[10]=(p*A-m*M+x*w)*N,t[11]=(c*M-u*A-g*w)*N,t[12]=(h*F-a*_-o*y)*N,t[13]=(i*_-r*F+s*y)*N,t[14]=(m*b-p*v-f*w)*N,t[15]=(u*v-c*b+d*w)*N)}(this,t),this}compose(t,e,i){return function(t,e,i,r){let s=e[0],n=e[1],a=e[2],h=e[3],o=s+s,l=n+n,u=a+a,c=s*o,d=s*l,g=s*u,p=n*l,m=n*u,f=a*u,x=h*o,w=h*l,b=h*u,M=r[0],v=r[1],A=r[2];t[0]=(1-(p+f))*M,t[1]=(d+b)*M,t[2]=(g-w)*M,t[3]=0,t[4]=(d-b)*v,t[5]=(1-(c+f))*v,t[6]=(m+x)*v,t[7]=0,t[8]=(g+w)*A,t[9]=(m-x)*A,t[10]=(1-(c+p))*A,t[11]=0,t[12]=i[0],t[13]=i[1],t[14]=i[2],t[15]=1}(this,t,e,i),this}getRotation(t){return function(t,e){let i=e[0]+e[5]+e[10],r=0;i>0?(r=2*Math.sqrt(i+1),t[3]=.25*r,t[0]=(e[6]-e[9])/r,t[1]=(e[8]-e[2])/r,t[2]=(e[1]-e[4])/r):e[0]>e[5]&&e[0]>e[10]?(r=2*Math.sqrt(1+e[0]-e[5]-e[10]),t[3]=(e[6]-e[9])/r,t[0]=.25*r,t[1]=(e[1]+e[4])/r,t[2]=(e[8]+e[2])/r):e[5]>e[10]?(r=2*Math.sqrt(1+e[5]-e[0]-e[10]),t[3]=(e[8]-e[2])/r,t[0]=(e[1]+e[4])/r,t[1]=.25*r,t[2]=(e[6]+e[9])/r):(r=2*Math.sqrt(1+e[10]-e[0]-e[5]),t[3]=(e[1]-e[4])/r,t[0]=(e[8]+e[2])/r,t[1]=(e[6]+e[9])/r,t[2]=.25*r)}(t,this),this}getTranslation(t){var e,i;return i=this,(e=t)[0]=i[12],e[1]=i[13],e[2]=i[14],this}getScaling(t){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[4],a=e[5],h=e[6],o=e[8],l=e[9],u=e[10];t[0]=Math.sqrt(i*i+r*r+s*s),t[1]=Math.sqrt(n*n+a*a+h*h),t[2]=Math.sqrt(o*o+l*l+u*u)}(t,this),this}getMaxScaleOnAxis(){return function(t){let e=t[0],i=t[1],r=t[2],s=t[4],n=t[5],a=t[6],h=t[8],o=t[9],l=t[10];const u=e*e+i*i+r*r,c=s*s+n*n+a*a,d=h*h+o*o+l*l;return Math.sqrt(Math.max(u,c,d))}(this)}lookAt(t,e,i){return function(t,e,i,r){let s=e[0],n=e[1],a=e[2],h=r[0],o=r[1],l=r[2],u=s-i[0],c=n-i[1],d=a-i[2],g=u*u+c*c+d*d;g>0&&(u*=g=1/Math.sqrt(g),c*=g,d*=g);let p=o*d-l*c,m=l*u-h*d,f=h*c-o*u;(g=p*p+m*m+f*f)>0&&(p*=g=1/Math.sqrt(g),m*=g,f*=g),t[0]=p,t[1]=m,t[2]=f,t[3]=0,t[4]=c*f-d*m,t[5]=d*p-u*f,t[6]=u*m-c*p,t[7]=0,t[8]=u,t[9]=c,t[10]=d,t[11]=0,t[12]=s,t[13]=n,t[14]=a,t[15]=1}(this,t,e,i),this}determinant(){return function(t){let e=t[0],i=t[1],r=t[2],s=t[3],n=t[4],a=t[5],h=t[6],o=t[7],l=t[8],u=t[9],c=t[10],d=t[11],g=t[12],p=t[13],m=t[14],f=t[15];return(e*a-i*n)*(c*f-d*m)-(e*h-r*n)*(u*f-d*p)+(e*o-s*n)*(u*m-c*p)+(i*h-r*a)*(l*f-d*g)-(i*o-s*a)*(l*m-c*g)+(r*o-s*h)*(l*p-u*g)}(this)}}const O=new P;class B extends Array{constructor(t=0,e=t,i=t,r="YXZ"){return super(t,e,i),this.order=r,this.onChange=(()=>{}),this}get x(){return this[0]}set x(t){this[0]=t,this.onChange()}get y(){return this[1]}set y(t){this[1]=t,this.onChange()}get z(){return this[2]}set z(t){this[2]=t,this.onChange()}set(t,e=t,i=t){return t.length?this.copy(t):(this[0]=t,this[1]=e,this[2]=i,this.onChange(),this)}copy(t){return this[0]=t[0],this[1]=t[1],this[2]=t[2],this}reorder(t){return this.order=t,this.onChange(),this}fromRotationMatrix(t,e=this.order){return function(t,e,i="YXZ"){"XYZ"===i?(t[1]=Math.asin(Math.min(Math.max(e[8],-1),1)),Math.abs(e[8])<.99999?(t[0]=Math.atan2(-e[9],e[10]),t[2]=Math.atan2(-e[4],e[0])):(t[0]=Math.atan2(e[6],e[5]),t[2]=0)):"YXZ"===i?(t[0]=Math.asin(-Math.min(Math.max(e[9],-1),1)),Math.abs(e[9])<.99999?(t[1]=Math.atan2(e[8],e[10]),t[2]=Math.atan2(e[1],e[5])):(t[1]=Math.atan2(-e[2],e[0]),t[2]=0)):"ZXY"===i?(t[0]=Math.asin(Math.min(Math.max(e[6],-1),1)),Math.abs(e[6])<.99999?(t[1]=Math.atan2(-e[2],e[10]),t[2]=Math.atan2(-e[4],e[5])):(t[1]=0,t[2]=Math.atan2(e[1],e[0]))):"ZYX"===i?(t[1]=Math.asin(-Math.min(Math.max(e[2],-1),1)),Math.abs(e[2])<.99999?(t[0]=Math.atan2(e[6],e[10]),t[2]=Math.atan2(e[1],e[0])):(t[0]=0,t[2]=Math.atan2(-e[4],e[5]))):"YZX"===i?(t[2]=Math.asin(Math.min(Math.max(e[1],-1),1)),Math.abs(e[1])<.99999?(t[0]=Math.atan2(-e[9],e[5]),t[1]=Math.atan2(-e[2],e[0])):(t[0]=0,t[1]=Math.atan2(e[8],e[10]))):"XZY"===i&&(t[2]=Math.asin(-Math.min(Math.max(e[4],-1),1)),Math.abs(e[4])<.99999?(t[0]=Math.atan2(e[6],e[5]),t[1]=Math.atan2(e[8],e[0])):(t[0]=Math.atan2(-e[9],e[10]),t[1]=0))}(this,t,e),this}fromQuaternion(t,e=this.order){return O.fromQuaternion(t),this.fromRotationMatrix(O,e)}}class C{constructor(){this.parent=null,this.children=[],this.visible=!0,this.matrix=new P,this.worldMatrix=new P,this.matrixAutoUpdate=!0,this.position=new l,this.quaternion=new N,this.scale=new l(1),this.rotation=new B,this.up=new l(0,1,0),this.rotation.onChange=(()=>this.quaternion.fromEuler(this.rotation)),this.quaternion.onChange=(()=>this.rotation.fromQuaternion(this.quaternion))}setParent(t,e=!0){e&&this.parent&&t!==this.parent&&this.parent.removeChild(this,!1),this.parent=t,e&&t&&t.addChild(this,!1)}addChild(t,e=!0){~this.children.indexOf(t)||this.children.push(t),e&&t.setParent(this,!1)}removeChild(t,e=!0){~this.children.indexOf(t)&&this.children.splice(this.children.indexOf(t),1),e&&t.setParent(null,!1)}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.worldMatrixNeedsUpdate||t)&&(null===this.parent?this.worldMatrix.copy(this.matrix):this.worldMatrix.multiply(this.parent.worldMatrix,this.matrix),this.worldMatrixNeedsUpdate=!1,t=!0);for(let e=0,i=this.children.length;e<i;e++)this.children[e].updateMatrixWorld(t)}updateMatrix(){this.matrix.compose(this.quaternion,this.position,this.scale),this.worldMatrixNeedsUpdate=!0}traverse(t){if(!t(this))for(let e=0,i=this.children.length;e<i;e++)this.children[e].traverse(t)}decompose(){this.matrix.getTranslation(this.position),this.matrix.getRotation(this.quaternion),this.matrix.getScaling(this.scale),this.rotation.fromQuaternion(this.quaternion)}lookAt(t,e=!1){e?this.matrix.lookAt(this.position,t,this.up):this.matrix.lookAt(t,this.position,this.up),this.matrix.getRotation(this.quaternion),this.rotation.fromQuaternion(this.quaternion)}}const D=new P,U=new l,z=new l;function I(t,e,i){let r=e[0],s=e[1],n=e[2],a=e[3],h=e[4],o=e[5],l=e[6],u=e[7],c=e[8],d=i[0],g=i[1],p=i[2],m=i[3],f=i[4],x=i[5],w=i[6],b=i[7],M=i[8];return t[0]=d*r+g*a+p*l,t[1]=d*s+g*h+p*u,t[2]=d*n+g*o+p*c,t[3]=m*r+f*a+x*l,t[4]=m*s+f*h+x*u,t[5]=m*n+f*o+x*c,t[6]=w*r+b*a+M*l,t[7]=w*s+b*h+M*u,t[8]=w*n+b*o+M*c,t}class q extends Array{constructor(t=1,e=0,i=0,r=0,s=1,n=0,a=0,h=0,o=1){return super(t,e,i,r,s,n,a,h,o),this}set(t,e,i,r,s,n,a,h,o){return t.length?this.copy(t):(function(t,e,i,r,s,n,a,h,o,l){t[0]=e,t[1]=i,t[2]=r,t[3]=s,t[4]=n,t[5]=a,t[6]=h,t[7]=o,t[8]=l}(this,t,e,i,r,s,n,a,h,o),this)}translate(t,e=this){return function(t,e,i){let r=e[0],s=e[1],n=e[2],a=e[3],h=e[4],o=e[5],l=e[6],u=e[7],c=e[8],d=i[0],g=i[1];t[0]=r,t[1]=s,t[2]=n,t[3]=a,t[4]=h,t[5]=o,t[6]=d*r+g*a+l,t[7]=d*s+g*h+u,t[8]=d*n+g*o+c}(this,e,t),this}rotate(t,e=this){return function(t,e,i){let r=e[0],s=e[1],n=e[2],a=e[3],h=e[4],o=e[5],l=e[6],u=e[7],c=e[8],d=Math.sin(i),g=Math.cos(i);t[0]=g*r+d*a,t[1]=g*s+d*h,t[2]=g*n+d*o,t[3]=g*a-d*r,t[4]=g*h-d*s,t[5]=g*o-d*n,t[6]=l,t[7]=u,t[8]=c}(this,e,t),this}scale(t,e=this){return function(t,e,i){let r=i[0],s=i[1];t[0]=r*e[0],t[1]=r*e[1],t[2]=r*e[2],t[3]=s*e[3],t[4]=s*e[4],t[5]=s*e[5],t[6]=e[6],t[7]=e[7],t[8]=e[8]}(this,e,t),this}multiply(t,e){return e?I(this,t,e):I(this,this,t),this}identity(){var t;return(t=this)[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=1,t[5]=0,t[6]=0,t[7]=0,t[8]=1,this}copy(t){var e,i;return i=t,(e=this)[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}fromMatrix4(t){var e,i;return i=t,(e=this)[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[4],e[4]=i[5],e[5]=i[6],e[6]=i[8],e[7]=i[9],e[8]=i[10],this}fromQuaternion(t){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=i+i,h=r+r,o=s+s,l=i*a,u=r*a,c=r*h,d=s*a,g=s*h,p=s*o,m=n*a,f=n*h,x=n*o;t[0]=1-c-p,t[3]=u-x,t[6]=d+f,t[1]=u+x,t[4]=1-l-p,t[7]=g-m,t[2]=d-f,t[5]=g+m,t[8]=1-l-c}(this,t),this}fromBasis(t,e,i){return this.set(t[0],t[1],t[2],e[0],e[1],e[2],i[0],i[1],i[2]),this}inverse(t=this){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=e[4],h=e[5],o=e[6],l=e[7],u=e[8],c=u*a-h*l,d=-u*n+h*o,g=l*n-a*o,p=i*c+r*d+s*g;p&&(p=1/p,t[0]=c*p,t[1]=(-u*r+s*l)*p,t[2]=(h*r-s*a)*p,t[3]=d*p,t[4]=(u*i-s*o)*p,t[5]=(-h*i+s*n)*p,t[6]=g*p,t[7]=(-l*i+r*o)*p,t[8]=(a*i-r*n)*p)}(this,t),this}getNormalMatrix(t){return function(t,e){let i=e[0],r=e[1],s=e[2],n=e[3],a=e[4],h=e[5],o=e[6],l=e[7],u=e[8],c=e[9],d=e[10],g=e[11],p=e[12],m=e[13],f=e[14],x=e[15],w=i*h-r*a,b=i*o-s*a,M=i*l-n*a,v=r*o-s*h,A=r*l-n*h,E=s*l-n*o,y=u*m-c*p,F=u*f-d*p,T=u*x-g*p,_=c*f-d*m,R=c*x-g*m,S=d*x-g*f,N=w*S-b*R+M*_+v*T-A*F+E*y;N&&(N=1/N,t[0]=(h*S-o*R+l*_)*N,t[1]=(o*T-a*S-l*F)*N,t[2]=(a*R-h*T+l*y)*N,t[3]=(s*R-r*S-n*_)*N,t[4]=(i*S-s*T+n*F)*N,t[5]=(r*T-i*R-n*y)*N,t[6]=(m*E-f*A+x*v)*N,t[7]=(f*M-p*E-x*b)*N,t[8]=(p*A-m*M+x*w)*N)}(this,t),this}}let G=0;class Y extends C{constructor(t,{geometry:e,program:i,mode:r=t.TRIANGLES,frustumCulled:s=!0,renderOrder:n=0}={}){super(t),this.gl=t,this.id=G++,this.geometry=e,this.program=i,this.mode=r,this.frustumCulled=s,this.renderOrder=n,this.modelViewMatrix=new P,this.normalMatrix=new q,this.program.uniforms.modelMatrix||Object.assign(this.program.uniforms,{modelMatrix:{value:null},viewMatrix:{value:null},modelViewMatrix:{value:null},normalMatrix:{value:null},projectionMatrix:{value:null},cameraPosition:{value:null}})}draw({camera:t}={}){this.onBeforeRender&&this.onBeforeRender({mesh:this,camera:t}),t&&(this.program.uniforms.projectionMatrix.value=t.projectionMatrix,this.program.uniforms.cameraPosition.value=t.position,this.program.uniforms.viewMatrix.value=t.viewMatrix,this.modelViewMatrix.multiply(t.viewMatrix,this.worldMatrix),this.normalMatrix.getNormalMatrix(this.modelViewMatrix),this.program.uniforms.modelMatrix.value=this.worldMatrix,this.program.uniforms.modelViewMatrix.value=this.modelViewMatrix,this.program.uniforms.normalMatrix.value=this.normalMatrix);let e=this.program.cullFace&&this.worldMatrix.determinant()<0;this.program.use({flipFaces:e}),this.geometry.draw({mode:this.mode,program:this.program}),this.onAfterRender&&this.onAfterRender({mesh:this,camera:t})}}const k=new Uint8Array(4);function V(t){return 0==(t&t-1)}let X=0;class W{constructor(t,{image:e,target:i=t.TEXTURE_2D,type:r=t.UNSIGNED_BYTE,format:s=t.RGBA,internalFormat:n=s,wrapS:a=t.CLAMP_TO_EDGE,wrapT:h=t.CLAMP_TO_EDGE,generateMipmaps:o=!0,minFilter:l=(o?t.NEAREST_MIPMAP_LINEAR:t.LINEAR),magFilter:u=t.LINEAR,premultiplyAlpha:c=!1,unpackAlignment:d=4,flipY:g=!0,level:p=0,width:m,height:f=m}={}){this.gl=t,this.id=X++,this.image=e,this.target=i,this.type=r,this.format=s,this.internalFormat=n,this.minFilter=l,this.magFilter=u,this.wrapS=a,this.wrapT=h,this.generateMipmaps=o,this.premultiplyAlpha=c,this.unpackAlignment=d,this.flipY=g,this.level=p,this.width=m,this.height=f,this.texture=this.gl.createTexture(),this.store={image:null},this.glState=this.gl.renderer.state,this.state={},this.state.minFilter=this.gl.NEAREST_MIPMAP_LINEAR,this.state.magFilter=this.gl.LINEAR,this.state.wrapS=this.gl.REPEAT,this.state.wrapT=this.gl.REPEAT}bind(){this.glState.textureUnits[this.glState.activeTextureUnit]!==this.id&&(this.gl.bindTexture(this.target,this.texture),this.glState.textureUnits[this.glState.activeTextureUnit]=this.id)}update(t=0){const e=!(this.image===this.store.image&&!this.needsUpdate);(e||this.glState.textureUnits[t]!==this.id)&&(this.gl.renderer.activeTexture(t),this.bind()),e&&(this.needsUpdate=!1,this.flipY!==this.glState.flipY&&(this.gl.pixelStorei(this.gl.UNPACK_FLIP_Y_WEBGL,this.flipY),this.glState.flipY=this.flipY),this.premultiplyAlpha!==this.glState.premultiplyAlpha&&(this.gl.pixelStorei(this.gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL,this.premultiplyAlpha),this.glState.premultiplyAlpha=this.premultiplyAlpha),this.unpackAlignment!==this.glState.unpackAlignment&&(this.gl.pixelStorei(this.gl.UNPACK_ALIGNMENT,this.unpackAlignment),this.glState.unpackAlignment=this.unpackAlignment),this.minFilter!==this.state.minFilter&&(this.gl.texParameteri(this.target,this.gl.TEXTURE_MIN_FILTER,this.minFilter),this.state.minFilter=this.minFilter),this.magFilter!==this.state.magFilter&&(this.gl.texParameteri(this.target,this.gl.TEXTURE_MAG_FILTER,this.magFilter),this.state.magFilter=this.magFilter),this.wrapS!==this.state.wrapS&&(this.gl.texParameteri(this.target,this.gl.TEXTURE_WRAP_S,this.wrapS),this.state.wrapS=this.wrapS),this.wrapT!==this.state.wrapT&&(this.gl.texParameteri(this.target,this.gl.TEXTURE_WRAP_T,this.wrapT),this.state.wrapT=this.wrapT),this.image?(this.image.width&&(this.width=this.image.width,this.height=this.image.height),this.gl.renderer.isWebgl2||ArrayBuffer.isView(this.image)?this.gl.texImage2D(this.target,this.level,this.internalFormat,this.width,this.height,0,this.format,this.type,this.image):this.gl.texImage2D(this.target,this.level,this.internalFormat,this.format,this.type,this.image),this.generateMipmaps&&(this.gl.renderer.isWebgl2||V(this.image.width)&&V(this.image.height)?this.gl.generateMipmap(this.target):(this.generateMipmaps=!1,this.wrapS=this.wrapT=this.gl.CLAMP_TO_EDGE,this.minFilter=this.gl.LINEAR))):this.width?this.gl.texImage2D(this.target,this.level,this.internalFormat,this.width,this.height,0,this.format,this.type,null):this.gl.texImage2D(this.target,0,this.gl.RGBA,1,1,0,this.gl.RGBA,this.gl.UNSIGNED_BYTE,k),this.store.image=this.image,this.onUpdate&&this.onUpdate())}}class j{constructor(t,{width:e=t.canvas.width,height:i=t.canvas.height,target:r=t.FRAMEBUFFER,color:s=1,depth:n=!0,stencil:a=!1,depthTexture:h=!1,wrapS:o=t.CLAMP_TO_EDGE,wrapT:l=t.CLAMP_TO_EDGE,minFilter:u=t.LINEAR,magFilter:c=u,type:d=t.UNSIGNED_BYTE,format:g=t.RGBA,internalFormat:p=g,unpackAlignment:m,premultiplyAlpha:f}={}){this.gl=t,this.width=e,this.height=i,this.buffer=this.gl.createFramebuffer(),this.target=r,this.gl.bindFramebuffer(this.target,this.buffer),this.textures=[];for(let r=0;r<s;r++)this.textures.push(new W(t,{width:e,height:i,wrapS:o,wrapT:l,minFilter:u,magFilter:c,type:d,format:g,internalFormat:p,unpackAlignment:m,premultiplyAlpha:f,flipY:!1,generateMipmaps:!1})),this.textures[r].update(),this.gl.framebufferTexture2D(this.target,this.gl.COLOR_ATTACHMENT0+r,this.gl.TEXTURE_2D,this.textures[r].texture,0);this.texture=this.textures[0],h&&(this.gl.renderer.isWebgl2||this.gl.renderer.getExtension("WEBGL_depth_texture"))?(this.depthTexture=new W(t,{width:e,height:i,wrapS:o,wrapT:l,minFilter:this.gl.NEAREST,magFilter:this.gl.NEAREST,flipY:!1,format:this.gl.DEPTH_COMPONENT,internalFormat:t.renderer.isWebgl2?this.gl.DEPTH_COMPONENT24:this.gl.DEPTH_COMPONENT,type:this.gl.UNSIGNED_INT,generateMipmaps:!1}),this.depthTexture.update(),this.gl.framebufferTexture2D(this.target,this.gl.DEPTH_ATTACHMENT,this.gl.TEXTURE_2D,this.depthTexture.texture,0)):(n&&!a&&(this.depthBuffer=this.gl.createRenderbuffer(),this.gl.bindRenderbuffer(this.gl.RENDERBUFFER,this.depthBuffer),this.gl.renderbufferStorage(this.gl.RENDERBUFFER,this.gl.DEPTH_COMPONENT16,e,i),this.gl.framebufferRenderbuffer(this.target,this.gl.DEPTH_ATTACHMENT,this.gl.RENDERBUFFER,this.depthBuffer)),a&&!n&&(this.stencilBuffer=this.gl.createRenderbuffer(),this.gl.bindRenderbuffer(this.gl.RENDERBUFFER,this.stencilBuffer),this.gl.renderbufferStorage(this.gl.RENDERBUFFER,this.gl.STENCIL_INDEX8,e,i),this.gl.framebufferRenderbuffer(this.target,this.gl.STENCIL_ATTACHMENT,this.gl.RENDERBUFFER,this.stencilBuffer)),n&&a&&(this.depthStencilBuffer=this.gl.createRenderbuffer(),this.gl.bindRenderbuffer(this.gl.RENDERBUFFER,this.depthStencilBuffer),this.gl.renderbufferStorage(this.gl.RENDERBUFFER,this.gl.DEPTH_STENCIL,e,i),this.gl.framebufferRenderbuffer(this.target,this.gl.DEPTH_STENCIL_ATTACHMENT,this.gl.RENDERBUFFER,this.depthStencilBuffer))),this.gl.bindFramebuffer(this.target,null)}}class H extends Array{constructor(t=0,e=0,i=0){return"string"==typeof t&&([t,e,i]=H.hexToRGB(t)),super(t,e,i),this}get r(){return this[0]}set r(t){this[0]=t}get g(){return this[1]}set g(t){this[1]=t}get b(){return this[2]}set b(t){this[2]=t}set(t,e,i){return"string"==typeof t&&([t,e,i]=H.hexToRGB(t)),t.length?this.copy(t):(this[0]=t,this[1]=e,this[2]=i,this)}copy(t){return this[0]=t[0],this[1]=t[1],this[2]=t[2],this}static hexToRGB(t){4===t.length&&(t=t[0]+t[1]+t[1]+t[2]+t[2]+t[3]+t[3]);const e=/^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(t);return e||console.warn(`Unable to convert hex string ${t} to rgb values`),[parseInt(e[1],16)/255,parseInt(e[2],16)/255,parseInt(e[3],16)/255]}}function Z(t,e,i){return t[0]=e[0]+i[0],t[1]=e[1]+i[1],t}function $(t,e,i){return t[0]=e[0]-i[0],t[1]=e[1]-i[1],t}function Q(t,e,i){return t[0]=e[0]*i,t[1]=e[1]*i,t}function K(t){var e=t[0],i=t[1];return Math.sqrt(e*e+i*i)}class J extends Array{constructor(t=0,e=t){return super(t,e),this}get x(){return this[0]}set x(t){this[0]=t}get y(){return this[1]}set y(t){this[1]=t}set(t,e=t){return t.length?this.copy(t):(function(t,e,i){t[0]=e,t[1]=i}(this,t,e),this)}copy(t){var e,i;return i=t,(e=this)[0]=i[0],e[1]=i[1],this}add(t,e){return e?Z(this,t,e):Z(this,this,t),this}sub(t,e){return e?$(this,t,e):$(this,this,t),this}multiply(t){var e,i,r;return t.length?(i=this,r=t,(e=this)[0]=i[0]*r[0],e[1]=i[1]*r[1]):Q(this,this,t),this}divide(t){var e,i,r;return t.length?(i=this,r=t,(e=this)[0]=i[0]/r[0],e[1]=i[1]/r[1]):Q(this,this,1/t),this}inverse(t=this){var e,i;return i=t,(e=this)[0]=1/i[0],e[1]=1/i[1],this}len(){return K(this)}distance(t){return t?(e=this,r=(i=t)[0]-e[0],s=i[1]-e[1],Math.sqrt(r*r+s*s)):K(this);var e,i,r,s}squaredLen(){return this.squaredDistance()}squaredDistance(t){return t?(e=this,r=(i=t)[0]-e[0],s=i[1]-e[1],r*r+s*s):function(t){var e=t[0],i=t[1];return e*e+i*i}(this);var e,i,r,s}negate(t=this){var e,i;return i=t,(e=this)[0]=-i[0],e[1]=-i[1],this}cross(t,e){return r=e,(i=t)[0]*r[1]-i[1]*r[0];var i,r}scale(t){return Q(this,this,t),this}normalize(){var t,e,i,r,s;return t=this,i=(e=this)[0],r=e[1],(s=i*i+r*r)>0&&(s=1/Math.sqrt(s)),t[0]=e[0]*s,t[1]=e[1]*s,this}dot(t){return i=t,(e=this)[0]*i[0]+e[1]*i[1];var e,i}equals(t){return i=t,(e=this)[0]===i[0]&&e[1]===i[1];var e,i}applyMatrix3(t){var e,i,r,s,n;return e=this,r=t,s=(i=this)[0],n=i[1],e[0]=r[0]*s+r[3]*n+r[6],e[1]=r[1]*s+r[4]*n+r[7],this}applyMatrix4(t){return function(t,e,i){let r=e[0],s=e[1];t[0]=i[0]*r+i[4]*s+i[12],t[1]=i[1]*r+i[5]*s+i[13]}(this,this,t),this}lerp(t,e){!function(t,e,i,r){var s=e[0],n=e[1];t[0]=s+r*(i[0]-s),t[1]=n+r*(i[1]-n)}(this,this,t,e)}clone(){return new J(this[0],this[1])}fromArray(t,e=0){return this[0]=t[e],this[1]=t[e+1],this}toArray(t=[],e=0){return t[e]=this[0],t[e+1]=this[1],t}}class tt extends g{constructor(t,{width:e=1,height:i=1,widthSegments:r=1,heightSegments:s=1,attributes:n={}}={}){const a=r,h=s,o=(a+1)*(h+1),l=a*h*6,u=new Float32Array(3*o),c=new Float32Array(3*o),d=new Float32Array(2*o),g=o>65536?new Uint32Array(l):new Uint16Array(l);tt.buildPlane(u,c,d,g,e,i,0,a,h),Object.assign(n,{position:{size:3,data:u},normal:{size:3,data:c},uv:{size:2,data:d},index:{data:g}}),super(t,n)}static buildPlane(t,e,i,r,s,n,a,h,o,l=0,u=1,c=2,d=1,g=-1,p=0,m=0){const f=p,x=s/h,w=n/o;for(let b=0;b<=o;b++){let M=b*w-n/2;for(let n=0;n<=h;n++,p++){let w=n*x-s/2;if(t[3*p+l]=w*d,t[3*p+u]=M*g,t[3*p+c]=a/2,e[3*p+l]=0,e[3*p+u]=0,e[3*p+c]=a>=0?1:-1,i[2*p]=n/h,i[2*p+1]=1-b/o,b===o||n===h)continue;let v=f+n+b*(h+1),A=f+n+(b+1)*(h+1),E=f+n+(b+1)*(h+1)+1,y=f+n+b*(h+1)+1;r[6*m]=v,r[6*m+1]=A,r[6*m+2]=y,r[6*m+3]=A,r[6*m+4]=E,r[6*m+5]=y,m++}}}}const et={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,DOLLY_PAN:3},it=new l,rt=new J,st=new J;const nt=new l,at=new l,ht=new l,ot=new P;const lt="\n    attribute vec2 uv;\n    attribute vec2 position;\n\n    varying vec2 vUv;\n\n    void main() {\n        vUv = uv;\n        gl_Position = vec4(position, 0, 1);\n    }\n",ut="\n    precision highp float;\n\n    uniform sampler2D tMap;\n    varying vec2 vUv;\n\n    void main() {\n        gl_FragColor = texture2D(tMap, vUv);\n    }\n",ct=new l,dt=new N,gt=new l,pt=new l,mt=new N,ft=new l;class xt{constructor({objects:t,data:e}){this.objects=t,this.data=e,this.elapsed=0,this.weight=1,this.duration=e.frames.length-1}update(t=1,e){const i=e?1:this.weight/t,r=this.elapsed%this.duration,s=Math.floor(r),n=r-s,a=this.data.frames[s],h=this.data.frames[(s+1)%this.duration];this.objects.forEach((t,e)=>{ct.fromArray(a.position,3*e),dt.fromArray(a.quaternion,4*e),gt.fromArray(a.scale,3*e),pt.fromArray(h.position,3*e),mt.fromArray(h.quaternion,4*e),ft.fromArray(h.scale,3*e),ct.lerp(pt,n),dt.slerp(mt,n),gt.lerp(ft,n),t.position.lerp(ct,i),t.quaternion.slerp(dt,i),t.scale.lerp(gt,i)})}}const wt=new P;const bt="\nprecision highp float;\nprecision highp int;\n\nattribute vec3 position;\nattribute vec3 normal;\n\nuniform mat3 normalMatrix;\nuniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\n\nvarying vec3 vNormal;\n\nvoid main() {\n    vNormal = normalize(normalMatrix * normal);\n    gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n}\n",Mt="\nprecision highp float;\nprecision highp int;\n\nvarying vec3 vNormal;\n\nvoid main() {\n    gl_FragColor.rgb = normalize(vNormal);\n    gl_FragColor.a = 1.0;\n}\n";const vt="\n    attribute vec2 uv;\n    attribute vec2 position;\n\n    varying vec2 vUv;\n\n    void main() {\n        vUv = uv;\n        gl_Position = vec4(position, 0, 1);\n    }\n",At="\n    precision highp float;\n\n    uniform sampler2D tMap;\n\n    uniform float uFalloff;\n    uniform float uAlpha;\n    uniform float uDissipation;\n\n    uniform float uAspect;\n    uniform vec2 uMouse;\n    uniform vec2 uVelocity;\n\n    varying vec2 vUv;\n\n    void main() {\n\n      vec2 cursor = vUv - uMouse;\n\n        vec4 color = texture2D(tMap, vUv) * uDissipation;\n\n        cursor.x *= uAspect;\n\n        vec3 stamp = vec3(uVelocity * vec2(1, -1), 1.0 - pow(1.0 - min(1.0, length(uVelocity)), 3.0));\n        float falloff = smoothstep(uFalloff, 0.0, length(cursor)) * uAlpha;\n\n        color.rgb = mix(color.rgb, stamp, vec3(falloff));\n\n        gl_FragColor = color;\n    }\n";const Et="\n    attribute vec2 uv;\n    attribute vec2 position;\n\n    varying vec2 vUv;\n\n    void main() {\n        vUv = uv;\n        gl_Position = vec4(position, 0, 1);\n    }\n",yt="\n    precision highp float;\n\n    uniform sampler2D tMap;\n    varying vec2 vUv;\n\n    void main() {\n        gl_FragColor = texture2D(tMap, vUv);\n    }\n";return t.Animation=xt,t.Box=class extends g{constructor(t,{width:e=1,height:i=1,depth:r=1,widthSegments:s=1,heightSegments:n=1,depthSegments:a=1,attributes:h={}}={}){const o=s,l=n,u=a,c=(o+1)*(l+1)*2+(o+1)*(u+1)*2+(l+1)*(u+1)*2,d=6*(o*l*2+o*u*2+l*u*2),g=new Float32Array(3*c),p=new Float32Array(3*c),m=new Float32Array(2*c),f=c>65536?new Uint32Array(d):new Uint16Array(d);let x=0,w=0;tt.buildPlane(g,p,m,f,r,i,e,u,l,2,1,0,-1,-1,x,w),tt.buildPlane(g,p,m,f,r,i,-e,u,l,2,1,0,1,-1,x+=(u+1)*(l+1),w+=u*l),tt.buildPlane(g,p,m,f,e,r,i,u,l,0,2,1,1,1,x+=(u+1)*(l+1),w+=u*l),tt.buildPlane(g,p,m,f,e,r,-i,u,l,0,2,1,1,-1,x+=(o+1)*(u+1),w+=o*u),tt.buildPlane(g,p,m,f,e,i,-r,o,l,0,1,2,-1,-1,x+=(o+1)*(u+1),w+=o*u),tt.buildPlane(g,p,m,f,e,i,r,o,l,0,1,2,1,-1,x+=(o+1)*(l+1),w+=o*l),Object.assign(h,{position:{size:3,data:g},normal:{size:3,data:p},uv:{size:2,data:m},index:{data:f}}),super(t,h)}},t.Camera=class extends C{constructor(t,{near:e=.1,far:i=100,fov:r=45,aspect:s=1,left:n,right:a,bottom:h,top:o}={}){super(t),this.near=e,this.far=i,this.fov=r,this.aspect=s,this.projectionMatrix=new P,this.viewMatrix=new P,this.projectionViewMatrix=new P,n||a?this.orthographic({left:n,right:a,bottom:h,top:o}):this.perspective()}perspective({near:t=this.near,far:e=this.far,fov:i=this.fov,aspect:r=this.aspect}={}){return this.projectionMatrix.fromPerspective({fov:i*(Math.PI/180),aspect:r,near:t,far:e}),this.type="perspective",this}orthographic({near:t=this.near,far:e=this.far,left:i=-1,right:r=1,bottom:s=-1,top:n=1}={}){return this.projectionMatrix.fromOrthogonal({left:i,right:r,bottom:s,top:n,near:t,far:e}),this.type="orthographic",this}updateMatrixWorld(){return super.updateMatrixWorld(),this.viewMatrix.inverse(this.worldMatrix),this.projectionViewMatrix.multiply(this.projectionMatrix,this.viewMatrix),this}lookAt(t){return super.lookAt(t,!0),this}project(t){return t.applyMatrix4(this.viewMatrix),t.applyMatrix4(this.projectionMatrix),this}unproject(t){return t.applyMatrix4(D.inverse(this.projectionMatrix)),t.applyMatrix4(this.worldMatrix),this}updateFrustum(){this.frustum||(this.frustum=[new l,new l,new l,new l,new l,new l]);const t=this.projectionViewMatrix;this.frustum[0].set(t[3]-t[0],t[7]-t[4],t[11]-t[8]).constant=t[15]-t[12],this.frustum[1].set(t[3]+t[0],t[7]+t[4],t[11]+t[8]).constant=t[15]+t[12],this.frustum[2].set(t[3]+t[1],t[7]+t[5],t[11]+t[9]).constant=t[15]+t[13],this.frustum[3].set(t[3]-t[1],t[7]-t[5],t[11]-t[9]).constant=t[15]-t[13],this.frustum[4].set(t[3]-t[2],t[7]-t[6],t[11]-t[10]).constant=t[15]-t[14],this.frustum[5].set(t[3]+t[2],t[7]+t[6],t[11]+t[10]).constant=t[15]+t[14];for(let t=0;t<6;t++){const e=1/this.frustum[t].distance();this.frustum[t].multiply(e),this.frustum[t].constant*=e}}frustumIntersectsMesh(t){if(!t.geometry.attributes.position)return!0;t.geometry.bounds&&t.geometry.bounds.radius!==1/0||t.geometry.computeBoundingSphere();const e=U;e.copy(t.geometry.bounds.center),e.applyMatrix4(t.worldMatrix);const i=t.geometry.bounds.radius*t.worldMatrix.getMaxScaleOnAxis();return this.frustumIntersectsSphere(e,i)}frustumIntersectsSphere(t,e){const i=z;for(let r=0;r<6;r++){const s=this.frustum[r];if(i.copy(s).dot(t)+s.constant<-e)return!1}return!0}},t.Color=H,t.Cylinder=class extends g{constructor(t,{radius:e=.5,height:i=1,radialSegments:r=16,heightSegments:s=1,attributes:n={}}={}){const a=r,h=s,o=(r+1)*(s+1)+2,u=r*(2+2*s)*3,c=new Float32Array(3*o),d=new Float32Array(3*o),g=new Float32Array(2*o),p=o>65536?new Uint32Array(u):new Uint16Array(u);let m,f,x,w=0,b=new l;m=0,f=-.5*i,x=0,c[3*w+0]=m,c[3*w+1]=f,c[3*w+2]=x,b.set(m,f,x).normalize(),d[3*w]=b.x,d[3*w+1]=b.y,d[3*w+2]=b.z,g[2*w]=0,g[2*w+1]=1;let M=w;m=0,f=.5*i,x=0,c[3*++w+0]=m,c[3*w+1]=f,c[3*w+2]=x,b.set(m,f,x).normalize(),d[3*w]=b.x,d[3*w+1]=b.y,d[3*w+2]=b.z,g[2*w]=0,g[2*w+1]=0;let v=w;w++;for(var A=0;A<a+1;A++){let t=A/a;for(var E=0;E<h+1;E++){let r=E/h;m=Math.cos(t*Math.PI*2)*e,f=(r-.5)*i,x=Math.sin(t*Math.PI*2)*e,c[3*w+0]=m,c[3*w+1]=f,c[3*w+2]=x,b.set(m,f,x).normalize(),d[3*w]=b.x,d[3*w+1]=b.y,d[3*w+2]=b.z,g[2*w]=t,g[2*w+1]=1-r,w++}}let y=0,F=h+1;for(A=0;A<a;A++){let t=A+1;for(p[3*y+0]=M,p[3*y+1]=2+A*F,p[3*y+2]=2+t*F,y++,E=0;E<h;E++)p[3*y+0]=2+A*F+(E+0),p[3*y+1]=2+A*F+(E+1),p[3*y+2]=2+t*F+(E+0),p[3*++y+0]=2+t*F+(E+0),p[3*y+1]=2+A*F+(E+1),p[3*y+2]=2+t*F+(E+1),y++;p[3*y+0]=2+t*F+h,p[3*y+1]=2+A*F+h,p[3*y+2]=v,y++}Object.assign(n,{position:{size:3,data:c},normal:{size:3,data:d},uv:{size:2,data:g},index:{data:p}}),super(t,n)}},t.Euler=B,t.Flowmap=class{constructor(t,{size:e=512,falloff:i=.3,alpha:r=1,dissipation:s=.96}={}){const n=this;this.gl=t,this.uniform={value:null},this.mask={read:null,write:null,swap:()=>{let t=n.mask.read;n.mask.read=n.mask.write,n.mask.write=t,n.uniform.value=n.mask.read.texture}},function(){let i=t.renderer.extensions[`OES_texture_${t.renderer.isWebgl2?"":"half_"}float_linear`];const r={width:e,height:e,type:t.renderer.isWebgl2?t.HALF_FLOAT:t.renderer.extensions.OES_texture_half_float?t.renderer.extensions.OES_texture_half_float.HALF_FLOAT_OES:t.UNSIGNED_BYTE,format:t.RGBA,internalFormat:t.renderer.isWebgl2?t.RGBA16F:t.RGBA,minFilter:i?t.LINEAR:t.NEAREST,depth:!1};n.mask.read=new j(t,r),n.mask.write=new j(t,r),n.mask.swap()}(),this.aspect=1,this.mouse=new J,this.velocity=new J,this.mesh=new Y(t,{geometry:new g(t,{position:{size:2,data:new Float32Array([-1,-1,3,-1,-1,3])},uv:{size:2,data:new Float32Array([0,0,2,0,0,2])}}),program:new f(t,{vertex:vt,fragment:At,uniforms:{tMap:n.uniform,uFalloff:{value:.5*i},uAlpha:{value:r},uDissipation:{value:s},uAspect:{value:1},uMouse:{value:n.mouse},uVelocity:{value:n.velocity}},depthTest:!1})})}update(){this.mesh.program.uniforms.uAspect.value=this.aspect,this.gl.renderer.render({scene:this.mesh,target:this.mask.write,clear:!1}),this.mask.swap()}},t.GPGPU=class{constructor(t,{data:e=new Float32Array(16),geometry:i=new g(t,{position:{size:2,data:new Float32Array([-1,-1,3,-1,-1,3])},uv:{size:2,data:new Float32Array([0,0,2,0,0,2])}})}){this.gl=t;const r=e;this.passes=[],this.geometry=i,this.dataLength=r.length/4,this.size=Math.pow(2,Math.ceil(Math.log(Math.ceil(Math.sqrt(this.dataLength)))/Math.LN2)),this.coords=new Float32Array(2*this.dataLength);for(let t=0;t<this.dataLength;t++){const e=t%this.size/this.size,i=Math.floor(t/this.size)/this.size;this.coords.set([e,i],2*t)}const s=(()=>{if(r.length===this.size*this.size*4)return r;{const t=new Float32Array(this.size*this.size*4);return t.set(r),t}})();this.uniform={value:new W(t,{image:s,target:t.TEXTURE_2D,type:t.FLOAT,format:t.RGBA,internalFormat:t.renderer.isWebgl2?t.RGBA32F:t.RGBA,wrapS:t.CLAMP_TO_EDGE,wrapT:t.CLAMP_TO_EDGE,generateMipmaps:!1,minFilter:t.NEAREST,magFilter:t.NEAREST,width:this.size,flipY:!1})};const n={width:this.size,height:this.size,type:t.renderer.isWebgl2?t.HALF_FLOAT:t.renderer.extensions.OES_texture_half_float?t.renderer.extensions.OES_texture_half_float.HALF_FLOAT_OES:t.UNSIGNED_BYTE,format:t.RGBA,internalFormat:t.renderer.isWebgl2?t.RGBA16F:t.RGBA,minFilter:t.NEAREST,depth:!1,unpackAlignment:1};this.fbo={read:new j(t,n),write:new j(t,n),swap:()=>{let t=this.fbo.read;this.fbo.read=this.fbo.write,this.fbo.write=t,this.uniform.value=this.fbo.read.texture}}}addPass({vertex:t=Et,fragment:e=yt,uniforms:i={},textureUniform:r="tMap",enabled:s=!0}={}){i[r]=this.uniform;const n=new f(this.gl,{vertex:t,fragment:e,uniforms:i}),a={mesh:new Y(this.gl,{geometry:this.geometry,program:n}),program:n,uniforms:i,enabled:s,textureUniform:r};return this.passes.push(a),a}render(){this.passes.filter(t=>t.enabled).forEach((t,e)=>{this.gl.renderer.render({scene:t.mesh,target:this.fbo.write,clear:!1}),this.fbo.swap()})}},t.Geometry=g,t.Mat3=q,t.Mat4=P,t.Mesh=Y,t.NormalProgram=function(t){return new f(t,{vertex:bt,fragment:Mt})},t.Orbit=function(t,{element:e=document,enabled:i=!0,target:r=new l,ease:s=.25,inertia:n=.85,enableRotate:a=!0,rotateSpeed:h=.1,enableZoom:o=!0,zoomSpeed:u=1,enablePan:c=!0,panSpeed:d=.1,minPolarAngle:g=0,maxPolarAngle:p=Math.PI,minAzimuthAngle:m=-1/0,maxAzimuthAngle:f=1/0,minDistance:x=0,maxDistance:w=1/0}={}){this.enabled=i,this.target=r,s=s||1,n=n||1,this.minDistance=x,this.maxDistance=w;const b={radius:1,phi:0,theta:0},M={radius:1,phi:0,theta:0},v={radius:1,phi:0,theta:0},A=new l,E=new l;E.copy(t.position).sub(this.target),v.radius=M.radius=E.distance(),v.theta=M.theta=Math.atan2(E.x,E.z),v.phi=M.phi=Math.acos(Math.min(Math.max(E.y/M.radius,-1),1)),this.update=(()=>{M.radius*=b.radius,M.theta+=b.theta,M.phi+=b.phi,M.theta=Math.max(m,Math.min(f,M.theta)),M.phi=Math.max(g,Math.min(p,M.phi)),M.radius=Math.max(this.minDistance,Math.min(this.maxDistance,M.radius)),v.phi+=(M.phi-v.phi)*s,v.theta+=(M.theta-v.theta)*s,v.radius+=(M.radius-v.radius)*s,this.target.add(A);let e=v.radius*Math.sin(Math.max(1e-6,v.phi));E.x=e*Math.sin(v.theta),E.y=v.radius*Math.cos(v.phi),E.z=e*Math.cos(v.theta),t.position.copy(this.target).add(E),t.lookAt(this.target),b.theta*=n,b.phi*=n,A.multiply(n),b.radius=1});const y=new J,F=new J,T=new J;let _=et.NONE;function R(){return Math.pow(.95,u)}this.mouseButtons={ORBIT:0,ZOOM:1,PAN:2};const S=(i,r)=>{let s=e===document?document.body:e;it.copy(t.position).sub(this.target);let 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et.ROTATE:if(!1===a)return;L(t.clientX,t.clientY);break;case et.DOLLY:if(!1===o)return;!function(t){rt.set(t.clientX,t.clientY),st.sub(rt,T),st.y>0?N(R()):st.y<0&&N(1/R()),T.copy(rt)}(t);break;case et.PAN:if(!1===c)return;P(t.clientX,t.clientY)}},C=()=>{this.enabled&&(document.removeEventListener("mousemove",B,!1),document.removeEventListener("mouseup",C,!1),_=et.NONE)},D=t=>{this.enabled&&o&&(_===et.NONE||_===et.ROTATE)&&(t.stopPropagation(),t.deltaY<0?N(1/R()):t.deltaY>0&&N(R()))},U=t=>{if(this.enabled)switch(t.preventDefault(),t.touches.length){case 1:if(!1===a)return;y.set(t.touches[0].pageX,t.touches[0].pageY),_=et.ROTATE;break;case 2:if(!1===o&&!1===c)return;!function(t){if(o){let e=t.touches[0].pageX-t.touches[1].pageX,i=t.touches[0].pageY-t.touches[1].pageY,r=Math.sqrt(e*e+i*i);T.set(0,r)}if(c){let 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