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Object.defineProperty(e.prototype,"width",{get:function(){return this._width},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"height",{get:function(){return this._height},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"texture",{get:function(){return this._texture},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"framebuffer",{get:function(){return this._framebuffer},enumerable:!0,configurable:!0}),e.prototype.resize=function(e,t,r){this._width=t,this._height=r,this.createFramebuffer(e)},e.prototype.createFramebuffer=function(e){this._texture=function(e,t,r){return l(e,t,r,{parameteri:[[e.TEXTURE_MAG_FILTER,e.LINEAR],[e.TEXTURE_MIN_FILTER,e.LINEAR],[e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE],[e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE]]})}(e,this._width,this._height),this._framebuffer=h(e,this.texture)},e}(),E=function(){function e(e,t,r){this._width=t,this._height=r,this.createFramebuffer(e)}return Object.defineProperty(e.prototype,"width",{get:function(){return this._width},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"height",{get:function(){return this._height},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"texture",{get:function(){return this.readableRenderTarget.texture},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"framebuffer",{get:function(){return this.writableRenderTarget.framebuffer},enumerable:!0,configurable:!0}),e.prototype.resize=function(e,t,r){this._width=t,this._height=r,this.createFramebuffer(e)},e.prototype.swap=function(){var e;e=[this.writableRenderTarget,this.readableRenderTarget],this.readableRenderTarget=e[0],this.writableRenderTarget=e[1]},e.prototype.createFramebuffer=function(e){this.readableRenderTarget=new w(e,this._width,this._height),this.writableRenderTarget=new w(e,this._width,this._height)},e}(),R="#version 300 es\n\nprecision highp float;\n\nin vec2 v_uv;\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\n\nvoid main(void) {\n o_color = vec4(texture(u_srcTexture, v_uv).rgb, 1.0);\n}",A=function(){function e(e){var t=f(e,g,e.VERTEX_SHADER),r=f(e,R,e.FRAGMENT_SHADER);this.program=new _(e,t,r,["u_srcTexture"])}return e.prototype.apply=function(e,t,r,n){e.bindFramebuffer(e.FRAMEBUFFER,r.framebuffer),e.viewport(0,0,r.width,r.height),e.useProgram(this.program.program),p(e,0,t.texture,this.program.getUniform("u_srcTexture")),e.drawArrays(e.TRIANGLES,0,6)},e}(),F="#version 300 es\n\nprecision highp float;\n\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\nuniform bool u_horizontal;\n\nconst float[5] weights = float[](0.2270270, 0.1945945, 0.1216216, 0.0540540, 0.0162162);\n\nivec2 clampCoord(ivec2 coord, ivec2 texSize) {\n return max(min(coord, texSize - 1), 0);\n}\n\nvoid main(void) {\n ivec2 coord = ivec2(gl_FragCoord.xy);\n ivec2 texSize = textureSize(u_srcTexture, 0);\n vec3 sum = weights[0] * texelFetch(u_srcTexture, coord, 0).rgb;\n for (int i = 1; i < 5; i++) {\n ivec2 offset = u_horizontal ? ivec2(i, 0) : ivec2(0, i);\n sum += weights[i] * texelFetch(u_srcTexture, clampCoord(coord + offset, texSize), 0).rgb;\n sum += weights[i] * texelFetch(u_srcTexture, clampCoord(coord - offset, texSize), 0).rgb;\n }\n o_color = vec4(sum, 1.0);\n}",M=function(){function e(e,t,r){var n=f(e,g,e.VERTEX_SHADER),i=f(e,F,e.FRAGMENT_SHADER);this.program=new _(e,n,i,["u_srcTexture","u_horizontal"]),this.renderTarget=new y(e,t,r),this.copyFilter=new A(e)}return e.prototype.apply=function(e,t,r){this.copyFilter.apply(e,t,this.renderTarget,r),this.renderTarget.swap(),e.viewport(0,0,this.renderTarget.width,this.renderTarget.height);for(var n=0;n<5;n++)e.bindFramebuffer(e.FRAMEBUFFER,this.renderTarget.framebuffer),e.useProgram(this.program.program),p(e,0,this.renderTarget.texture,this.program.getUniform("u_srcTexture")),e.uniform1i(this.program.getUniform("u_horizontal"),1),e.drawArrays(e.TRIANGLES,0,6),this.renderTarget.swap(),e.bindFramebuffer(e.FRAMEBUFFER,this.renderTarget.framebuffer),e.useProgram(this.program.program),p(e,0,this.renderTarget.texture,this.program.getUniform("u_srcTexture")),e.uniform1i(this.program.getUniform("u_horizontal"),0),e.drawArrays(e.TRIANGLES,0,6),this.renderTarget.swap();return this.renderTarget.texture},e}(),S="#version 300 es\n\nprecision highp float;\n\nin vec2 v_uv;\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\nuniform float u_threshold;\nuniform float u_intensity;\n\nvoid main(void) {\n o_color = vec4(u_intensity * max(texture(u_srcTexture, v_uv).rgb - u_threshold, 0.0) / (1.0 - u_threshold + 0.01), 1.0);\n}",P="#version 300 es\n\nprecision highp float;\n\nin vec2 v_uv;\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\nuniform sampler2D u_blurTexture0;\nuniform sampler2D u_blurTexture1;\nuniform sampler2D u_blurTexture2;\nuniform sampler2D u_blurTexture3;\n\nvoid main(void) {\n vec3 c = vec3(0.0);\n c += texture(u_srcTexture, v_uv).rgb;\n c += 2.0 * texture(u_blurTexture0, v_uv).rgb;\n c += 4.0 * texture(u_blurTexture1, v_uv).rgb;\n c += 6.0 * texture(u_blurTexture2, v_uv).rgb;\n c += 8.0 * texture(u_blurTexture3, v_uv).rgb;\n o_color = vec4(c, 1.0);\n}",z=function(){function e(e,t,r,n){var i=void 0===n?{}:n,o=i.threshold,a=void 0===o?1:o,u=i.intensity,s=void 0===u?.1:u;this.threshold=a,this.intensity=s;var c=f(e,g,e.VERTEX_SHADER),l=f(e,P,e.FRAGMENT_SHADER),h=f(e,S,e.FRAGMENT_SHADER);this.extractLuminanceProgram=new _(e,c,h,["u_srcTexture","u_threshold","u_intensity"]),this.bloomProgram=new _(e,c,l,["u_srcTexture","u_blurTexture0","u_blurTexture1","u_blurTexture2","u_blurTexture3"]),this.luminanceBuffer=new T(e,t,r),this.blurApplier0=new M(e,t/4,r/4),this.blurApplier1=new M(e,t/8,r/8),this.blurApplier2=new M(e,t/16,r/16),this.blurApplier3=new M(e,t/32,r/32)}return e.prototype.resize=function(e,t,r){this.luminanceBuffer=new T(e,t,r),this.blurApplier0=new M(e,t/4,r/4),this.blurApplier1=new M(e,t/8,r/8),this.blurApplier2=new M(e,t/16,r/16),this.blurApplier3=new M(e,t/32,r/32)},e.prototype.apply=function(e,t,r,n){var i=this;this.extractLuminance(e,t);var o=this.blurApplier0.apply(e,this.luminanceBuffer,n),a=this.blurApplier1.apply(e,this.luminanceBuffer,n),u=this.blurApplier2.apply(e,this.luminanceBuffer,n),s=this.blurApplier3.apply(e,this.luminanceBuffer,n);e.bindFramebuffer(e.FRAMEBUFFER,r.framebuffer),e.viewport(0,0,r.width,r.height),e.useProgram(this.bloomProgram.program),[[t.texture,"u_srcTexture"],[o,"u_blurTexture0"],[a,"u_blurTexture1"],[u,"u_blurTexture2"],[s,"u_blurTexture3"]].forEach(function(t,r){p(e,r,t[0],i.bloomProgram.getUniform(t[1]))}),e.drawArrays(e.TRIANGLES,0,6)},e.prototype.extractLuminance=function(e,t){e.bindFramebuffer(e.FRAMEBUFFER,this.luminanceBuffer.framebuffer),e.viewport(0,0,this.luminanceBuffer.width,this.luminanceBuffer.height),e.useProgram(this.extractLuminanceProgram.program),p(e,0,t.texture,this.extractLuminanceProgram.getUniform("u_srcTexture")),e.uniform1f(this.extractLuminanceProgram.getUniform("u_threshold"),this.threshold),e.uniform1f(this.extractLuminanceProgram.getUniform("u_intensity"),this.intensity),e.drawArrays(e.TRIANGLES,0,6)},e}(),B="#version 300 es\n\nprecision highp float;\n\nin vec2 v_uv;\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\nuniform sampler2D u_blurredSrcTexture;\nuniform sampler2D u_depthTexture;\nuniform float u_near;\nuniform float u_far;\nuniform float u_focalDistance;\nuniform float u_focalRegion;\nuniform float u_nearTransition;\nuniform float u_farTransition;\n\nfloat toLinearDepth(float depth, float near, float far) {\n float nz = near * depth;\n return -nz / (far * (depth - 1.0) - nz);\n}\n\nfloat toViewZ(float depth, float near, float far) {\n return near + (far - near) * toLinearDepth(depth, near, far);\n}\n\nvoid main(void) {\n vec3 col = texture(u_srcTexture, v_uv).rgb;\n vec3 blurredCol = texture(u_blurredSrcTexture, v_uv).rgb;\n float depth = texture(u_depthTexture, v_uv).x;\n\n float viewZ = toViewZ(depth, u_near, u_far);\n\n float nearTransStart = u_focalDistance - u_nearTransition;\n float nearTransEnd = u_focalDistance;\n float farTransStart = u_focalDistance + u_focalRegion;\n float farTransEnd = farTransStart + u_farTransition;\n\n // o_color = vec4(blurredCol, 1.0);\n // return;\n\n vec3 c;\n if (viewZ < nearTransEnd) {\n c = mix(blurredCol, col, smoothstep(nearTransStart, nearTransEnd, viewZ));\n } else if (viewZ < farTransStart) {\n c = col;\n } else {\n c = mix(col, blurredCol, smoothstep(farTransStart, farTransEnd, viewZ));\n }\n\n o_color = vec4(c, 1.0);\n}",U={srcTexture:"u_srcTexture",blurredSrcTexture:"u_blurredSrcTexture",depthTexture:"u_depthTexture",near:"u_near",far:"u_far",focalDistance:"u_focalDistance",focalRegin:"u_focalRegion",nearTransition:"u_nearTransition",farTransition:"u_farTransition"},N=function(){function e(e,t,r,n){var i=void 0===n?{}:n,o=i.focalDistance,a=void 0===o?10:o,u=i.focalRegion,s=void 0===u?10:u,c=i.nearTransition,l=void 0===c?5:c,h=i.farTransition,p=void 0===h?30:h;this.focalDistance=a,this.focalRegion=s,this.nearTransition=l,this.farTransition=p;var m=f(e,g,e.VERTEX_SHADER),d=f(e,B,e.FRAGMENT_SHADER);this.program=new _(e,m,d,Object.values(U)),this.blurApplier=new M(e,.5*t,.5*r)}return e.prototype.apply=function(e,t,r,n){var i=this.blurApplier.apply(e,t,n);e.bindFramebuffer(e.FRAMEBUFFER,r.framebuffer),e.viewport(0,0,r.width,r.height),e.useProgram(this.program.program),p(e,0,t.texture,this.program.getUniform(U.srcTexture)),p(e,1,i,this.program.getUniform(U.blurredSrcTexture)),p(e,2,n.gBuffer.depthTexture,this.program.getUniform(U.depthTexture)),e.uniform1f(this.program.getUniform(U.near),n.camera.near),e.uniform1f(this.program.getUniform(U.far),n.camera.far),e.uniform1f(this.program.getUniform(U.focalDistance),this.focalDistance),e.uniform1f(this.program.getUniform(U.focalRegin),this.focalRegion),e.uniform1f(this.program.getUniform(U.nearTransition),this.nearTransition),e.uniform1f(this.program.getUniform(U.farTransition),this.farTransition),e.drawArrays(e.TRIANGLES,0,6)},e.prototype.resize=function(e,t,r){this.blurApplier=new M(e,.5*t,.5*r)},e}(),D="#version 300 es\n\nprecision highp float;\n\nin vec2 v_uv;\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\nuniform sampler2D u_depthTexture;\nuniform float u_near;\nuniform float u_far;\nuniform float u_intensity;\n\nfloat toLinearDepth(float depth, float near, float far) {\n float nz = near * depth;\n return -nz / (far * (depth - 1.0) - nz);\n}\n\nfloat toViewZ(float depth, float near, float far) {\n return near + (far - near) * toLinearDepth(depth, near, far);\n}\n\nfloat expFog(float d, float intensity) {\n return exp(-d * intensity);\n}\n\nvoid main(void) {\n vec3 c = texture(u_srcTexture, v_uv).rgb;\n float d = toViewZ(texture(u_depthTexture, v_uv).x, u_near, u_far);\n\n o_color = vec4(\n mix(vec3(0.0), c, expFog(d, u_intensity)),\n 1.0\n );\n}",O=function(){function e(e,t){var r=(void 0===t?{}:t).intensity,n=void 0===r?.01:r;this.intensity=n;var i=f(e,g,e.VERTEX_SHADER),o=f(e,D,e.FRAGMENT_SHADER);this.program=new _(e,i,o,["u_srcTexture","u_depthTexture","u_near","u_far","u_intensity"])}return e.prototype.apply=function(e,t,r,n){e.bindFramebuffer(e.FRAMEBUFFER,r.framebuffer),e.viewport(0,0,r.width,r.height),e.useProgram(this.program.program),p(e,0,t.texture,this.program.getUniform("u_srcTexture")),p(e,1,n.gBuffer.depthTexture,this.program.getUniform("u_depthTexture")),e.uniform1f(this.program.getUniform("u_near"),n.camera.near),e.uniform1f(this.program.getUniform("u_far"),n.camera.far),e.uniform1f(this.program.getUniform("u_intensity"),this.intensity),e.drawArrays(e.TRIANGLES,0,6)},e}(),I="#version 300 es\n\nprecision highp float;\n\nin vec2 v_uv;\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\n\nvoid main(void) {\n vec3 c = texture(u_srcTexture, v_uv).rgb;\n o_color = vec4(pow(c, vec3(1.0 / 2.2)), 1.0);\n}",L=function(){function e(e){var t=f(e,g,e.VERTEX_SHADER),r=f(e,I,e.FRAGMENT_SHADER);this.program=new _(e,t,r,["u_srcTexture"])}return e.prototype.apply=function(e,t,r,n){e.bindFramebuffer(e.FRAMEBUFFER,r.framebuffer),e.viewport(0,0,r.width,r.height),e.useProgram(this.program.program),p(e,0,t.texture,this.program.getUniform("u_srcTexture")),e.drawArrays(e.TRIANGLES,0,6)},e}(),C="#version 300 es\n\n//ref: https://qiita.com/edo_m18/items/c211fea23b4747a8da3c\n\nprecision highp float;\n\nin vec2 v_uv;\n\nout vec4 o_color;\n\nuniform sampler2D u_srcTexture;\nuniform vec2 u_resolution;\n\nconst float FXAA_SPAN_MAX = 8.0;\nconst float FXAA_REDUCE_MUL = 1.0 / 8.0;\nconst float FXAA_SUBPIX_SHIFT = 1.0 / 4.0;\n#define FXAA_REDUCE_MIN (1.0 / 128.0)\n\n#define FxaaTexLod0(t, p) texture(t, p)\n#define FxaaTexOff(t, p, o, r) texture(t, p + o * r)\n\nvoid main(void) {\n\n vec2 rcpFrame = 1.0 / u_resolution;\n vec4 posPos = vec4(v_uv, v_uv - rcpFrame * (0.5 + FXAA_SUBPIX_SHIFT));\n\n vec3 rgbNW = FxaaTexLod0(u_srcTexture, posPos.zw).rgb;\n vec3 rgbNE = FxaaTexOff(u_srcTexture, posPos.zw, vec2(1.0, 0.0), rcpFrame).rgb;\n vec3 rgbSW = FxaaTexOff(u_srcTexture, posPos.zw, vec2(0.0, 1.0), rcpFrame).rgb;\n vec3 rgbSE = FxaaTexOff(u_srcTexture, posPos.zw, vec2(1.0, 1.0), rcpFrame).rgb;\n vec3 rgbM = FxaaTexLod0(u_srcTexture, posPos.xy).rgb;\n\n vec3 luma = vec3(0.299, 0.587, 0.114);\n float lumaNW = dot(rgbNW, luma);\n float lumaNE = dot(rgbNE, luma);\n float lumaSW = dot(rgbSW, luma);\n float lumaSE = dot(rgbSE, luma);\n float lumaM = dot(rgbM, luma);\n\n float lumaMin = min(lumaM, min(min(lumaNW, lumaNE), min(lumaSW, lumaSE)));\n float lumaMax = max(lumaM, max(max(lumaNW, lumaNE), max(lumaSW, lumaSE)));\n\n vec2 dir = vec2(\n -((lumaNW + lumaNE) - (lumaSW + lumaSE)),\n ((lumaNW + lumaSW) - (lumaNE + lumaSE))\n );\n\n float dirReduce = max(\n (lumaNW + lumaNE + lumaSW + lumaSE) * (0.25 * FXAA_REDUCE_MUL),\n FXAA_REDUCE_MIN\n );\n\n float rcpDirMin = 1.0 / (min(abs(dir.x), abs(dir.y)) + dirReduce);\n dir = min(vec2(FXAA_SPAN_MAX, FXAA_SPAN_MAX), max(vec2(-FXAA_SPAN_MAX, -FXAA_SPAN_MAX), dir * rcpDirMin)) * rcpFrame;\n\n vec3 rgbA = 0.5 * (\n FxaaTexLod0(u_srcTexture, posPos.xy + dir * (1.0 / 3.0 - 0.5)).rgb +\n FxaaTexLod0(u_srcTexture, posPos.xy + dir * (2.0 / 3.0 - 0.5)).rgb);\n vec3 rgbB = rgbA * 0.5 + 0.25 * (\n FxaaTexLod0(u_srcTexture, posPos.xy + dir * (-0.5)).rgb +\n FxaaTexLod0(u_srcTexture, posPos.xy + dir * (1.0 - 0.5)).rgb);\n\n float lumaB = dot(rgbB, luma);\n if ((lumaB < lumaMin) || (lumaB > lumaMax)) {\n o_color = vec4(rgbA, 1.0);\n } else {\n o_color = vec4(rgbB, 1.0);\n }\n}",j=function(){function e(e){var t=f(e,g,e.VERTEX_SHADER),r=f(e,C,e.FRAGMENT_SHADER);this.program=new _(e,t,r,["u_srcTexture","u_resolution"])}return e.prototype.apply=function(e,t,r,n){e.bindFramebuffer(e.FRAMEBUFFER,r.framebuffer),e.viewport(0,0,r.width,r.height),e.useProgram(this.program.program),p(e,0,t.texture,this.program.getUniform("u_srcTexture")),e.uniform2f(this.program.getUniform("u_resolution"),t.width,t.height),e.drawArrays(e.TRIANGLES,0,6)},e}(),X="#version 300 es\n\nout vec3 v_dir;\n\nuniform mat4 u_cameraMatrix;\nuniform vec2 u_focalScale;\n\nconst vec2[4] POSITIONS = vec2[](\n vec2(-1.0, -1.0),\n vec2(1.0, -1.0),\n vec2(-1.0, 1.0),\n vec2(1.0, 1.0)\n);\n\nconst int[6] INDICES = int[](\n 0, 1, 2,\n 3, 2, 1\n);\n\nvoid main(void) {\n vec2 pos = POSITIONS[INDICES[gl_VertexID]];\n v_dir = normalize((u_cameraMatrix * vec4(vec3(pos * u_focalScale, -1.0), 0.0)).xyz);\n gl_Position = vec4(pos, 0.0, 1.0);\n}",G="#version 300 es\n\nprecision highp float;\n\nin vec3 v_dir;\n\nlayout (location = 0) out vec4 o_gBuffer0; // xyz: albedo, w: object type\nlayout (location = 1) out vec4 o_gBuffer1; // xyz: reflectance, w: reflectIntensity\nlayout (location = 2) out vec3 o_gBuffer2; // xyz: world position\nlayout (location = 3) out vec3 o_gBuffer3; // xyz: world normal\n\nuniform mat4 u_cameraMatrix;\nuniform mat4 u_viewMatrix;\nuniform float u_near;\nuniform float u_far;\nuniform vec3 u_wallSize;\nuniform float u_time;\n\nstruct GBuffer {\n vec3 albedo;\n int type; // 0: bottom, 1: top, 2: left, 3: right, 4: far, 5: near, 6: trails\n vec3 reflectance;\n float refIntensity;\n vec3 worldPosition;\n vec3 worldNormal;\n};\n\nvoid setGBuffer(GBuffer gBuffer) {\n o_gBuffer0 = vec4(gBuffer.albedo, float(gBuffer.type) + 0.5);\n o_gBuffer1 = vec4(gBuffer.reflectance, gBuffer.refIntensity);\n o_gBuffer2 = gBuffer.worldPosition;\n o_gBuffer3 = gBuffer.worldNormal;\n}\n\nvec3 calcTopEmission(vec3 position) {\n if (abs(position.x) < 30.0 && abs(position.z) < 30.0) {\n return vec3(2.0);\n }\n return vec3(0.2);\n}\n\nvec3 calcBottomEmission() {\n return vec3(0.01);\n}\n\nbool hitWalls(vec3 ro, vec3 rd, vec3 wallSize) {\n float t = 1e6;\n int type;\n vec3 position, normal;\n float tb = (-wallSize.y - ro.y) / rd.y;\n if (tb > 0.0 && tb < t) {\n t = tb;\n type = 0;\n position = ro + t * rd;\n normal = vec3(0.0, 1.0, 0.0);\n }\n float tt = (wallSize.y - ro.y) / rd.y;\n if (tt > 0.0 && tt < t) {\n t = tt;\n type = 1;\n position = ro + t * rd;\n normal = vec3(0.0, -1.0, 0.0);\n }\n float tl = (-wallSize.x - ro.x) / rd.x;\n if (tl > 0.0 && tl < t) {\n t = tl;\n type = 2;\n position = ro + t * rd;\n normal = vec3(1.0, 0.0, 0.0);\n }\n float tr = (wallSize.x - ro.x) / rd.x;\n if (tr > 0.0 && tr < t) {\n t = tr;\n type = 3;\n position = ro + t * rd;\n normal = vec3(-1.0, 0.0, 0.0);\n }\n float tf = (-wallSize.z - ro.z) / rd.z;\n if (tf > 0.0 && tf < t) {\n t = tf;\n type = 4;\n position = ro + t * rd;\n normal = vec3(0.0, 0.0, 1.0);\n }\n float tn = (wallSize.z - ro.z) / rd.z;\n if (tn > 0.0 && tn < t) {\n t = tn;\n type = 5;\n position = ro + t * rd;\n normal = vec3(0.0, 0.0, -1.0);\n }\n\n if (t < 1e6) {\n GBuffer gBuffer;\n gBuffer.albedo = vec3(0.0);\n gBuffer.type = type;\n gBuffer.reflectance = vec3(0.2);\n gBuffer.refIntensity = 0.5;\n gBuffer.worldPosition = position;\n gBuffer.worldNormal = normal;\n setGBuffer(gBuffer);\n gl_FragDepth = 0.5 + 0.5 * ((u_far + u_near) / (u_far - u_near) + (-2.0 * u_far * u_near) / ((u_far - u_near) * t));\n return true;\n }\n return false;\n}\n\nvoid main(void) {\n vec3 ro = (u_cameraMatrix * vec4(vec3(0.0), 1.0)).xyz;\n vec3 rd = normalize(v_dir);\n\n if (!hitWalls(ro, rd, u_wallSize)) {\n discard;\n }\n}",W=function(){function e(e,t){this.size=t;var r=f(e,X,e.VERTEX_SHADER),n=f(e,G,e.FRAGMENT_SHADER);this.program=new _(e,r,n,["u_cameraMatrix","u_viewMatrix","u_focalScale","u_near","u_far","u_wallSize","u_time"])}return e.prototype.render=function(e,t,r){e.useProgram(this.program.program),e.uniformMatrix4fv(this.program.getUniform("u_cameraMatrix"),!1,t.matrix.elements),e.uniformMatrix4fv(this.program.getUniform("u_viewMatrix"),!1,t.viewMatrix.elements);var n=Math.tan(.5*t.vfov*Math.PI/180);e.uniform2f(this.program.getUniform("u_focalScale"),t.aspect*n,n),e.uniform1f(this.program.getUniform("u_near"),t.near),e.uniform1f(this.program.getUniform("u_far"),t.far),e.uniform3fv(this.program.getUniform("u_wallSize"),this.size.toArray()),e.uniform1f(this.program.getUniform("u_time"),r),e.drawArrays(e.TRIANGLES,0,6)},e}(),V=function(){function e(e){this.fps=e,this.elapsedSecs=0,this.accumSecs=0,this.stepSecs=1/e}return e.prototype.addDeltaSecs=function(e,t){for(this.accumSecs+=e;this.accumSecs>this.stepSecs;)this.accumSecs-=this.stepSecs,this.elapsedSecs+=this.stepSecs,t(this.stepSecs,this.elapsedSecs)},e}(),H="#version 300 es\n\nprecision highp float;\n\nlayout (location = 0) out vec3 o_position;\nlayout (location = 1) out vec3 o_velocity;\nlayout (location = 2) out vec3 o_up;\n\nuniform vec3 u_boundaries;\nuniform float u_randomSeed;\n\nvec3 random3(float x) {\n return fract(sin(x * vec3(12.9898, 51.431, 29.964)) * vec3(43758.5453, 71932.1354, 39215.4221));\n}\n\nvoid main(void) {\n o_position = u_boundaries * (2.0 * random3(gl_FragCoord.x + u_randomSeed) - 1.0);\n o_velocity = vec3(0.0);\n o_up = vec3(0.0, 1.0, 0.0);\n}",Y="#version 300 es\n\nprecision highp float;\n\nlayout (location = 0) out vec3 o_position;\nlayout (location = 1) out vec3 o_velocity;\nlayout (location = 2) out vec3 o_up;\n\nuniform sampler2D u_positionTexture;\nuniform sampler2D u_velocityTexture;\nuniform sampler2D u_upTexture;\nuniform float u_deltaTime;\nuniform vec3 u_boundaries;\nuniform float u_maxSpeed;\nuniform float u_maxForce;\nuniform float u_sepRadius;\nuniform float u_aliRadius;\nuniform float u_cohRadius;\nuniform float u_sepWeight;\nuniform float u_aliWeight;\nuniform float u_cohWeight;\nuniform float u_boundSepRadius;\nuniform float u_boundSepWeight;\n\nvec3 limit(vec3 v, float max) {\n if (length(v) > max) {\n return normalize(v) * max;\n }\n return v;\n}\n\nvec3 calcForceFromBoundaries(vec3 pos, vec3 vel) {\n vec3 separation = vec3(0.0);\n\n float distNX = u_boundaries.x + pos.x;\n if (distNX < u_boundSepRadius) {\n separation += vec3(1.0, 0.0, 0.0) / distNX;\n }\n float distPX = u_boundaries.x - pos.x;\n if (distPX < u_boundSepRadius) {\n separation += vec3(-1.0, 0.0, 0.0) / distPX;\n }\n float distNY = u_boundaries.y + pos.y;\n if (distNY < u_boundSepRadius) {\n separation += vec3(0.0, 1.0, 0.0) / distNY;\n }\n float distPY = u_boundaries.y - pos.y;\n if (distPY < u_boundSepRadius) {\n separation += vec3(0.0, -1.0, 0.0) / distPY;\n }\n float distNZ = u_boundaries.z + pos.z;\n if (distNZ < u_boundSepRadius) {\n separation += vec3(0.0, 0.0, 1.0) / distNZ;\n }\n float distPZ = u_boundaries.z - pos.z;\n if (distPZ < u_boundSepRadius) {\n separation += vec3(0.0, 0.0, -1.0) / distPZ;\n }\n\n if (separation == vec3(0.0)) return vec3(0.0);\n\n vec3 desired = normalize(separation) * u_maxSpeed;\n return limit(desired - vel, u_maxForce);\n}\n\nvoid calcNextPosAndVel(int currentIdx, float deltaTime, vec3 pos, vec3 vel, out vec3 nextPos, out vec3 nextVel) {\n int trailNum = textureSize(u_positionTexture, 0).x;\n vec3 separation = vec3(0.0);\n vec3 alignment = vec3(0.0);\n vec4 cohesion = vec4(0.0);\n for (int i = 0; i < trailNum; i++) {\n if (i == currentIdx) continue;\n vec3 otherPos = texelFetch(u_positionTexture, ivec2(i, 0), 0).xyz;\n float dist = distance(pos, otherPos);\n if (dist < u_sepRadius) {\n separation = normalize(pos - otherPos) / dist;\n }\n if (dist < u_aliRadius) {\n vec3 otherVel = texelFetch(u_velocityTexture, ivec2(i, 0), 0).xyz;\n alignment = otherVel;\n }\n if (dist < u_cohRadius) {\n cohesion.xyz += otherPos;\n cohesion.w += 1.0;\n }\n }\n\n vec3 sepForce = vec3(0.0);\n if (separation != vec3(0.0)) {\n vec3 desired = normalize(separation) * u_maxSpeed;\n sepForce = limit(desired - vel, u_maxForce);\n }\n vec3 aliForce = vec3(0.0);\n if (alignment != vec3(0.0)) {\n vec3 desired = normalize(alignment) * u_maxSpeed;\n aliForce = limit(desired - vel, u_maxForce);\n }\n vec3 cohForce = vec3(0.0);\n if (cohesion.w != 0.0) {\n vec3 target = cohesion.xyz / cohesion.w;\n vec3 desired = normalize(target - pos) * u_maxSpeed;\n cohForce = limit(desired - vel, u_maxForce);\n }\n\n vec3 forceFromBoundaries = calcForceFromBoundaries(pos, vel);\n\n vec3 force = u_sepWeight * sepForce + u_aliWeight * aliForce + u_cohWeight * cohForce + u_boundSepWeight * forceFromBoundaries;\n\n nextVel = vel + u_deltaTime * force;\n nextPos = pos + u_deltaTime * nextVel;\n\n if (nextPos.x < -u_boundaries.x) {\n nextPos.x = -u_boundaries.x;\n if (nextVel.x < 0.0) nextVel.x *= -1.0; \n }\n if (nextPos.x > u_boundaries.x) {\n nextPos.x = u_boundaries.x;\n if (nextVel.x > 0.0) nextVel.x *= -1.0; \n }\n if (nextPos.y < -u_boundaries.y) {\n nextPos.y = -u_boundaries.y;\n if (nextVel.y < 0.0) nextVel.y *= -1.0; \n }\n if (nextPos.y > u_boundaries.y) {\n nextPos.y = u_boundaries.y;\n if (nextVel.y > 0.0) nextVel.y *= -1.0; \n }\n if (nextPos.z < -u_boundaries.z) {\n nextPos.z = -u_boundaries.z; \n if (nextVel.z < 0.0) nextVel.z *= -1.0; \n }\n if (nextPos.z > u_boundaries.z) {\n nextPos.z = u_boundaries.z;\n if (nextVel.z > 0.0) nextVel.z *= -1.0; \n }\n\n}\n\nvoid main(void) {\n ivec2 coord = ivec2(gl_FragCoord.xy);\n vec3 nextPosition, nextVelocity, nextUp;\n if (coord.y == 0) {\n vec3 position = texelFetch(u_positionTexture, coord, 0).xyz;\n vec3 velocity = texelFetch(u_velocityTexture, coord, 0).xyz;\n vec3 up = texelFetch(u_upTexture, coord, 0).xyz;\n calcNextPosAndVel(coord.x, u_deltaTime, position, velocity, nextPosition, nextVelocity);\n vec3 front = normalize(nextVelocity);\n vec3 right = normalize(cross(front, up));\n nextUp = cross(right, front);\n } else {\n nextPosition = texelFetch(u_positionTexture, ivec2(coord.x, coord.y - 1), 0).xyz;\n nextVelocity = texelFetch(u_velocityTexture, ivec2(coord.x, coord.y - 1), 0).xyz;\n nextUp = texelFetch(u_upTexture, ivec2(coord.x, coord.y - 1), 0).xyz;\n }\n o_position = nextPosition;\n o_velocity = nextVelocity;\n o_up = nextUp;\n}",Z="#version 300 es\n\nprecision highp float;\n\nlayout (location = 0) in vec3 i_position;\nlayout (location = 1) in vec3 i_normal;\nlayout (location = 2) in int i_joint;\n\nout vec3 v_normal;\nout vec3 v_worldPos;\n\nuniform sampler2D u_positionTexture;\nuniform sampler2D u_velocityTexture;\nuniform sampler2D u_upTexture;\nuniform mat4 u_vpMatrix;\n\nmat4 getLookMat(vec3 front, vec3 up) {\n vec3 z = -normalize(front);\n vec3 y = up;\n vec3 x = cross(z, y);\n\n return mat4(\n x.x, x.y, x.z, 0.0,\n y.x, y.y, y.z, 0.0,\n z.x, z.y, z.z, 0.0,\n 0.0, 0.0, 0.0, 1.0\n );\n}\n\nvoid main(void) {\n vec3 jointPosition = texelFetch(u_positionTexture, ivec2(gl_InstanceID, i_joint), 0).xyz;\n vec3 velocity = texelFetch(u_velocityTexture, ivec2(gl_InstanceID, i_joint), 0).xyz;\n vec3 up = texelFetch(u_upTexture, ivec2(gl_InstanceID, i_joint), 0).xyz;\n\n mat4 lookMat = getLookMat(normalize(velocity), up);\n\n mat4 modelMatrix = mat4(\n 1.0, 0.0, 0.0, 0.0,\n 0.0, 1.0, 0.0, 0.0,\n 0.0, 0.0, 1.0, 0.0,\n jointPosition.x, jointPosition.y, jointPosition.z, 1.0\n ) * lookMat;\n\n mat4 mvpMatrix = u_vpMatrix * modelMatrix;\n v_worldPos = (modelMatrix * vec4(i_position, 1.0)).xyz;\n v_normal = (lookMat * vec4(i_normal, 0.0)).xyz;\n gl_Position = mvpMatrix * vec4(i_position, 1.0);\n}\n",k="#version 300 es\n\nprecision highp float;\n\nin vec3 v_worldPos;\nin vec3 v_normal;\n\nlayout (location = 0) out vec4 o_gBuffer0; // xyz: albedo, w: object type\nlayout (location = 1) out vec4 o_gBuffer1; // xyz: reflectance, w: reflect intensity\nlayout (location = 2) out vec3 o_gBuffer2; // xyz: world position\nlayout (location = 3) out vec3 o_gBuffer3; // xyz: world normal\n\nuniform vec3 u_albedo;\nuniform vec3 u_reflectance;\nuniform float u_refIntensity;\n\nstruct GBuffer {\n vec3 albedo;\n int type; // 0: bottom, 1: top, 2: left, 3: right, 4: far, 5: near, 6: trails\n vec3 reflectance;\n float refIntensity;\n vec3 worldPosition;\n vec3 worldNormal;\n};\n\nvoid setGBuffer(GBuffer gBuffer) {\n o_gBuffer0 = vec4(gBuffer.albedo, float(gBuffer.type) + 0.5);\n o_gBuffer1 = vec4(gBuffer.reflectance, gBuffer.refIntensity);\n o_gBuffer2 = gBuffer.worldPosition;\n o_gBuffer3 = gBuffer.worldNormal;\n}\nvoid main(void) {\n vec3 normal = normalize(v_normal);\n\n GBuffer gBuffer;\n gBuffer.albedo = u_albedo;\n gBuffer.type = 6;\n gBuffer.reflectance = u_reflectance;\n gBuffer.refIntensity = u_refIntensity;\n gBuffer.worldPosition = v_worldPos;\n gBuffer.worldNormal = normal;\n setGBuffer(gBuffer);\n}",q={boundaries:"u_boundaries",randomSeed:"u_randomSeed"},K=["u_positionTexture","u_velocityTexture","u_upTexture","u_deltaTime","u_boundaries","u_maxSpeed","u_maxForce","u_sepRadius","u_aliRadius","u_cohRadius","u_sepWeight","u_aliWeight","u_cohWeight","u_boundSepRadius","u_boundSepWeight"],J={positionTexture:"u_positionTexture",velocityTexture:"u_velocityTexture",upTexture:"u_upTexture",vpMatrix:"u_vpMatrix",albedo:"u_albedo",reflectance:"u_reflectance",refIntensity:"u_refIntensity"},Q=function(){function e(e,t){var r,i=void 0===t?{}:t,o=i.trailNum,a=void 0===o?50:o,u=i.jointNum,s=void 0===u?200:u,l=i.angleSegment,h=void 0===l?16:l,p=i.trailRadius,m=void 0===p?1:p,d=i.boundaries,v=void 0===d?new n(100,50,100):d,x=i.maxSpeed,b=void 0===x?20:x,T=i.maxForce,y=void 0===T?10:T,w=i.sepRadius,E=void 0===w?10:w,R=i.aliRadius,A=void 0===R?15:R,F=i.cohRadius,M=void 0===F?20:F,S=i.sepWeight,P=void 0===S?5:S,z=i.aliWeight,B=void 0===z?1:z,U=i.cohWeight,N=void 0===U?1:U,D=i.boundSepRadius,O=void 0===D?10:D,I=i.boundSepWeight,L=void 0===I?10:I,C=i.albedo,j=void 0===C?new n(.5,.5,.5):C,X=i.reflectance,G=void 0===X?new n(.2,.2,.2):X,W=i.refIntensity,Q=void 0===W?1:W,$=i.startSecs,te=void 0===$?1:$;this.trailNum=a,this.boundaries=v,this.maxSpeed=b,this.maxForce=y,this.sepRadius=E,this.aliRadius=A,this.cohRadius=M,this.sepWeight=P,this.aliWeight=B,this.cohWeight=N,this.boundSepRadius=O,this.boundSepWeight=L,this.albedo=j,this.reflectance=G,this.refIntensity=Q,this.fpsTrigger=new V(60),r=function(e,t,r,n){var i=function(e,t,r){var n=2+(e-2)*t,i=new Int16Array(3*(2*t+2*t*(e-3))),o=new Float32Array(3*n),a=new Float32Array(3*n),u=new Int16Array(n),s=2*Math.PI/t,f=.5*e,c=0,l=0,h=0;c=re(o,c,0,0,0),l=re(a,l,0,0,-1),u[h++]=0;for(var p=0;p=t.currentSecs&&n[0]this.loopSecs&&(this.currentSecs%=this.loopSecs,this.events.forEach(function(r){r[0]

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