| 1 |
- {"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nconst name = \"gpuUpdateParticlesVertexShader\";\nconst shader = `#version 300 es\n#define PI 3.14159\nuniform float currentCount;uniform float timeDelta;uniform float stopFactor;\n#ifndef LOCAL\nuniform mat4 emitterWM;\n#endif\nuniform vec2 lifeTime;uniform vec2 emitPower;uniform vec2 sizeRange;uniform vec4 scaleRange;\n#ifndef COLORGRADIENTS\nuniform vec4 color1;uniform vec4 color2;\n#endif\nuniform vec3 gravity;uniform sampler2D randomSampler;uniform sampler2D randomSampler2;uniform vec4 angleRange;\n#ifdef BOXEMITTER\nuniform vec3 direction1;uniform vec3 direction2;uniform vec3 minEmitBox;uniform vec3 maxEmitBox;\n#endif\n#ifdef POINTEMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#endif\n#ifdef HEMISPHERICEMITTER\nuniform float radius;uniform float radiusRange;uniform float directionRandomizer;\n#endif\n#ifdef SPHEREEMITTER\nuniform float radius;uniform float radiusRange;\n#ifdef DIRECTEDSPHEREEMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\n#ifdef CYLINDEREMITTER\nuniform float radius;uniform float height;uniform float radiusRange;\n#ifdef DIRECTEDCYLINDEREMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\n#ifdef CONEEMITTER\nuniform vec2 radius;uniform float coneAngle;uniform vec2 height;\n#ifdef DIRECTEDCONEEMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\nin vec3 position;\n#ifdef CUSTOMEMITTER\nin vec3 initialPosition;\n#endif\nin float age;in float life;in vec4 seed;in vec3 size;\n#ifndef COLORGRADIENTS\nin vec4 color;\n#endif\nin vec3 direction;\n#ifndef BILLBOARD\nin vec3 initialDirection;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nin float angle;\n#else\nin vec2 angle;\n#endif\n#ifdef ANIMATESHEET\nin float cellIndex;\n#ifdef ANIMATESHEETRANDOMSTART\nin float cellStartOffset;\n#endif\n#endif\n#ifdef NOISE\nin vec3 noiseCoordinates1;in vec3 noiseCoordinates2;\n#endif\nout vec3 outPosition;\n#ifdef CUSTOMEMITTER\nout vec3 outInitialPosition;\n#endif\nout float outAge;out float outLife;out vec4 outSeed;out vec3 outSize;\n#ifndef COLORGRADIENTS\nout vec4 outColor;\n#endif\nout vec3 outDirection;\n#ifndef BILLBOARD\nout vec3 outInitialDirection;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nout float outAngle;\n#else\nout vec2 outAngle;\n#endif\n#ifdef ANIMATESHEET\nout float outCellIndex;\n#ifdef ANIMATESHEETRANDOMSTART\nout float outCellStartOffset;\n#endif\n#endif\n#ifdef NOISE\nout vec3 outNoiseCoordinates1;out vec3 outNoiseCoordinates2;\n#endif\n#ifdef SIZEGRADIENTS\nuniform sampler2D sizeGradientSampler;\n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nuniform sampler2D angularSpeedGradientSampler;\n#endif \n#ifdef VELOCITYGRADIENTS\nuniform sampler2D velocityGradientSampler;\n#endif\n#ifdef LIMITVELOCITYGRADIENTS\nuniform sampler2D limitVelocityGradientSampler;uniform float limitVelocityDamping;\n#endif\n#ifdef DRAGGRADIENTS\nuniform sampler2D dragGradientSampler;\n#endif\n#ifdef NOISE\nuniform vec3 noiseStrength;uniform sampler2D noiseSampler;\n#endif\n#ifdef ANIMATESHEET\nuniform vec4 cellInfos;\n#endif\nvec3 getRandomVec3(float offset) {return texture(randomSampler2,vec2(float(gl_VertexID)*offset/currentCount,0)).rgb;}\nvec4 getRandomVec4(float offset) {return texture(randomSampler,vec2(float(gl_VertexID)*offset/currentCount,0));}\nvoid main() {float newAge=age+timeDelta; \nif (newAge>=life && stopFactor != 0.) {vec3 newPosition;vec3 newDirection;vec4 randoms=getRandomVec4(seed.x);outLife=lifeTime.x+(lifeTime.y-lifeTime.x)*randoms.r;outAge=newAge-life;outSeed=seed;\n#ifdef SIZEGRADIENTS \noutSize.x=texture(sizeGradientSampler,vec2(0,0)).r;\n#else\noutSize.x=sizeRange.x+(sizeRange.y-sizeRange.x)*randoms.g;\n#endif\noutSize.y=scaleRange.x+(scaleRange.y-scaleRange.x)*randoms.b;outSize.z=scaleRange.z+(scaleRange.w-scaleRange.z)*randoms.a; \n#ifndef COLORGRADIENTS\noutColor=color1+(color2-color1)*randoms.b;\n#endif\n#ifndef ANGULARSPEEDGRADIENTS \noutAngle.y=angleRange.x+(angleRange.y-angleRange.x)*randoms.a;outAngle.x=angleRange.z+(angleRange.w-angleRange.z)*randoms.r;\n#else\noutAngle=angleRange.z+(angleRange.w-angleRange.z)*randoms.r;\n#endif \n#ifdef POINTEMITTER\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);newPosition=vec3(0,0,0);newDirection=direction1+(direction2-direction1)*randoms3;\n#elif defined(BOXEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);newPosition=minEmitBox+(maxEmitBox-minEmitBox)*randoms2;newDirection=direction1+(direction2-direction1)*randoms3; \n#elif defined(HEMISPHERICEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);float phi=2.0*PI*randoms2.x;float theta=acos(2.0*randoms2.y-1.0);float randX=cos(phi)*sin(theta);float randY=cos(theta);float randZ=sin(phi)*sin(theta);newPosition=(radius-(radius*radiusRange*randoms2.z))*vec3(randX,abs(randY),randZ);newDirection=newPosition+directionRandomizer*randoms3; \n#elif defined(SPHEREEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);float phi=2.0*PI*randoms2.x;float theta=acos(2.0*randoms2.y-1.0);float randX=cos(phi)*sin(theta);float randY=cos(theta);float randZ=sin(phi)*sin(theta);newPosition=(radius-(radius*radiusRange*randoms2.z))*vec3(randX,randY,randZ);\n#ifdef DIRECTEDSPHEREEMITTER\nnewDirection=normalize(direction1+(direction2-direction1)*randoms3);\n#else\nnewDirection=normalize(newPosition+directionRandomizer*randoms3);\n#endif\n#elif defined(CYLINDEREMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);float yPos=(randoms2.x-0.5)*height;float angle=randoms2.y*PI*2.;float inverseRadiusRangeSquared=((1.-radiusRange)*(1.-radiusRange));float positionRadius=radius*sqrt(inverseRadiusRangeSquared+(randoms2.z*(1.-inverseRadiusRangeSquared)));float xPos=positionRadius*cos(angle);float zPos=positionRadius*sin(angle);newPosition=vec3(xPos,yPos,zPos);\n#ifdef DIRECTEDCYLINDEREMITTER\nnewDirection=direction1+(direction2-direction1)*randoms3;\n#else\nangle=angle+((randoms3.x-0.5)*PI)*directionRandomizer;newDirection=vec3(cos(angle),(randoms3.y-0.5)*directionRandomizer,sin(angle));newDirection=normalize(newDirection);\n#endif\n#elif defined(CONEEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);float s=2.0*PI*randoms2.x;\n#ifdef CONEEMITTERSPAWNPOINT\nfloat h=0.0001;\n#else\nfloat h=randoms2.y*height.y;h=1.-h*h; \n#endif\nfloat lRadius=radius.x-radius.x*randoms2.z*radius.y;lRadius=lRadius*h;float randX=lRadius*sin(s);float randZ=lRadius*cos(s);float randY=h *height.x;newPosition=vec3(randX,randY,randZ); \nvec3 randoms3=getRandomVec3(seed.z);\n#ifdef DIRECTEDCONEEMITTER\nnewDirection=direction1+(direction2-direction1)*randoms3;\n#else\nif (abs(cos(coneAngle))==1.0) {newDirection=vec3(0.,1.0,0.);} else {newDirection=normalize(newPosition+directionRandomizer*randoms3); }\n#endif\n#elif defined(CUSTOMEMITTER)\nnewPosition=initialPosition;outInitialPosition=initialPosition;\n#else \nnewPosition=vec3(0.,0.,0.);newDirection=2.0*(getRandomVec3(seed.w)-vec3(0.5,0.5,0.5));\n#endif\nfloat power=emitPower.x+(emitPower.y-emitPower.x)*randoms.a;\n#ifdef LOCAL\noutPosition=newPosition;\n#else\noutPosition=(emitterWM*vec4(newPosition,1.)).xyz;\n#endif\n#ifdef CUSTOMEMITTER\noutDirection=direction;\n#ifndef BILLBOARD \noutInitialDirection=direction;\n#endif\n#else\n#ifdef LOCAL\nvec3 initial=newDirection;\n#else \nvec3 initial=(emitterWM*vec4(newDirection,0.)).xyz;\n#endif\noutDirection=initial*power;\n#ifndef BILLBOARD \noutInitialDirection=initial;\n#endif\n#endif\n#ifdef ANIMATESHEET \noutCellIndex=cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\noutCellStartOffset=randoms.a*outLife;\n#endif \n#endif\n#ifdef NOISE\noutNoiseCoordinates1=noiseCoordinates1;outNoiseCoordinates2=noiseCoordinates2;\n#endif\n} else {float directionScale=timeDelta;outAge=newAge;float ageGradient=newAge/life;\n#ifdef VELOCITYGRADIENTS\ndirectionScale*=texture(velocityGradientSampler,vec2(ageGradient,0)).r;\n#endif\n#ifdef DRAGGRADIENTS\ndirectionScale*=1.0-texture(dragGradientSampler,vec2(ageGradient,0)).r;\n#endif\n#if defined(CUSTOMEMITTER)\noutPosition=position+(direction-position)*ageGradient; \noutInitialPosition=initialPosition;\n#else\noutPosition=position+direction*directionScale;\n#endif\noutLife=life;outSeed=seed;\n#ifndef COLORGRADIENTS \noutColor=color;\n#endif\n#ifdef SIZEGRADIENTS\noutSize.x=texture(sizeGradientSampler,vec2(ageGradient,0)).r;outSize.yz=size.yz;\n#else\noutSize=size;\n#endif \n#ifndef BILLBOARD \noutInitialDirection=initialDirection;\n#endif\n#ifdef CUSTOMEMITTER\noutDirection=direction;\n#else\nvec3 updatedDirection=direction+gravity*timeDelta;\n#ifdef LIMITVELOCITYGRADIENTS\nfloat limitVelocity=texture(limitVelocityGradientSampler,vec2(ageGradient,0)).r;float currentVelocity=length(updatedDirection);if (currentVelocity>limitVelocity) {updatedDirection=updatedDirection*limitVelocityDamping;}\n#endif\noutDirection=updatedDirection;\n#ifdef NOISE\nfloat fetchedR=texture(noiseSampler,vec2(noiseCoordinates1.x,noiseCoordinates1.y)*vec2(0.5)+vec2(0.5)).r;float fetchedG=texture(noiseSampler,vec2(noiseCoordinates1.z,noiseCoordinates2.x)*vec2(0.5)+vec2(0.5)).r;float fetchedB=texture(noiseSampler,vec2(noiseCoordinates2.y,noiseCoordinates2.z)*vec2(0.5)+vec2(0.5)).r;vec3 force=vec3(2.*fetchedR-1.,2.*fetchedG-1.,2.*fetchedB-1.)*noiseStrength;outDirection=outDirection+force*timeDelta;outNoiseCoordinates1=noiseCoordinates1;outNoiseCoordinates2=noiseCoordinates2;\n#endif \n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nfloat angularSpeed=texture(angularSpeedGradientSampler,vec2(ageGradient,0)).r;outAngle=angle+angularSpeed*timeDelta;\n#else\noutAngle=vec2(angle.x+angle.y*timeDelta,angle.y);\n#endif\n#ifdef ANIMATESHEET \nfloat offsetAge=outAge;float dist=cellInfos.y-cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\noutCellStartOffset=cellStartOffset;offsetAge+=cellStartOffset;\n#else\nfloat cellStartOffset=0.;\n#endif \nfloat ratio=0.;if (cellInfos.w==1.0) {ratio=clamp(mod(cellStartOffset+cellInfos.z*offsetAge,life)/life,0.,1.0);}\nelse {ratio=clamp(cellStartOffset+cellInfos.z*offsetAge/life,0.,1.0);}\noutCellIndex=float(int(cellInfos.x+ratio*dist));\n#endif\n}}`;\n// Sideeffect\nShaderStore.ShadersStore[name] = shader;\n/** @internal */\nexport const gpuUpdateParticlesVertexShader = {\n name,\n shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","ShadersStore","gpuUpdateParticlesVertexShader"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Shaders/gpuUpdateParticles.vertex.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../Engines/shaderStore.js\";\nconst name = \"gpuUpdateParticlesVertexShader\";\nconst shader = `#version 300 es\n#define PI 3.14159\nuniform float currentCount;uniform float timeDelta;uniform float stopFactor;\n#ifndef LOCAL\nuniform mat4 emitterWM;\n#endif\nuniform vec2 lifeTime;uniform vec2 emitPower;uniform vec2 sizeRange;uniform vec4 scaleRange;\n#ifndef COLORGRADIENTS\nuniform vec4 color1;uniform vec4 color2;\n#endif\nuniform vec3 gravity;uniform sampler2D randomSampler;uniform sampler2D randomSampler2;uniform vec4 angleRange;\n#ifdef BOXEMITTER\nuniform vec3 direction1;uniform vec3 direction2;uniform vec3 minEmitBox;uniform vec3 maxEmitBox;\n#endif\n#ifdef POINTEMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#endif\n#ifdef HEMISPHERICEMITTER\nuniform float radius;uniform float radiusRange;uniform float directionRandomizer;\n#endif\n#ifdef SPHEREEMITTER\nuniform float radius;uniform float radiusRange;\n#ifdef DIRECTEDSPHEREEMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\n#ifdef CYLINDEREMITTER\nuniform float radius;uniform float height;uniform float radiusRange;\n#ifdef DIRECTEDCYLINDEREMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\n#ifdef CONEEMITTER\nuniform vec2 radius;uniform float coneAngle;uniform vec2 height;\n#ifdef DIRECTEDCONEEMITTER\nuniform vec3 direction1;uniform vec3 direction2;\n#else\nuniform float directionRandomizer;\n#endif\n#endif\nin vec3 position;\n#ifdef CUSTOMEMITTER\nin vec3 initialPosition;\n#endif\nin float age;in float life;in vec4 seed;in vec3 size;\n#ifndef COLORGRADIENTS\nin vec4 color;\n#endif\nin vec3 direction;\n#ifndef BILLBOARD\nin vec3 initialDirection;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nin float angle;\n#else\nin vec2 angle;\n#endif\n#ifdef ANIMATESHEET\nin float cellIndex;\n#ifdef ANIMATESHEETRANDOMSTART\nin float cellStartOffset;\n#endif\n#endif\n#ifdef NOISE\nin vec3 noiseCoordinates1;in vec3 noiseCoordinates2;\n#endif\nout vec3 outPosition;\n#ifdef CUSTOMEMITTER\nout vec3 outInitialPosition;\n#endif\nout float outAge;out float outLife;out vec4 outSeed;out vec3 outSize;\n#ifndef COLORGRADIENTS\nout vec4 outColor;\n#endif\nout vec3 outDirection;\n#ifndef BILLBOARD\nout vec3 outInitialDirection;\n#endif\n#ifdef ANGULARSPEEDGRADIENTS\nout float outAngle;\n#else\nout vec2 outAngle;\n#endif\n#ifdef ANIMATESHEET\nout float outCellIndex;\n#ifdef ANIMATESHEETRANDOMSTART\nout float outCellStartOffset;\n#endif\n#endif\n#ifdef NOISE\nout vec3 outNoiseCoordinates1;out vec3 outNoiseCoordinates2;\n#endif\n#ifdef SIZEGRADIENTS\nuniform sampler2D sizeGradientSampler;\n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nuniform sampler2D angularSpeedGradientSampler;\n#endif \n#ifdef VELOCITYGRADIENTS\nuniform sampler2D velocityGradientSampler;\n#endif\n#ifdef LIMITVELOCITYGRADIENTS\nuniform sampler2D limitVelocityGradientSampler;uniform float limitVelocityDamping;\n#endif\n#ifdef DRAGGRADIENTS\nuniform sampler2D dragGradientSampler;\n#endif\n#ifdef NOISE\nuniform vec3 noiseStrength;uniform sampler2D noiseSampler;\n#endif\n#ifdef ANIMATESHEET\nuniform vec4 cellInfos;\n#endif\nvec3 getRandomVec3(float offset) {return texture(randomSampler2,vec2(float(gl_VertexID)*offset/currentCount,0)).rgb;}\nvec4 getRandomVec4(float offset) {return texture(randomSampler,vec2(float(gl_VertexID)*offset/currentCount,0));}\nvoid main() {float newAge=age+timeDelta; \nif (newAge>=life && stopFactor != 0.) {vec3 newPosition;vec3 newDirection;vec4 randoms=getRandomVec4(seed.x);outLife=lifeTime.x+(lifeTime.y-lifeTime.x)*randoms.r;outAge=newAge-life;outSeed=seed;\n#ifdef SIZEGRADIENTS \noutSize.x=texture(sizeGradientSampler,vec2(0,0)).r;\n#else\noutSize.x=sizeRange.x+(sizeRange.y-sizeRange.x)*randoms.g;\n#endif\noutSize.y=scaleRange.x+(scaleRange.y-scaleRange.x)*randoms.b;outSize.z=scaleRange.z+(scaleRange.w-scaleRange.z)*randoms.a; \n#ifndef COLORGRADIENTS\noutColor=color1+(color2-color1)*randoms.b;\n#endif\n#ifndef ANGULARSPEEDGRADIENTS \noutAngle.y=angleRange.x+(angleRange.y-angleRange.x)*randoms.a;outAngle.x=angleRange.z+(angleRange.w-angleRange.z)*randoms.r;\n#else\noutAngle=angleRange.z+(angleRange.w-angleRange.z)*randoms.r;\n#endif \n#ifdef POINTEMITTER\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);newPosition=vec3(0,0,0);newDirection=direction1+(direction2-direction1)*randoms3;\n#elif defined(BOXEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);newPosition=minEmitBox+(maxEmitBox-minEmitBox)*randoms2;newDirection=direction1+(direction2-direction1)*randoms3; \n#elif defined(HEMISPHERICEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);float phi=2.0*PI*randoms2.x;float theta=acos(2.0*randoms2.y-1.0);float randX=cos(phi)*sin(theta);float randY=cos(theta);float randZ=sin(phi)*sin(theta);newPosition=(radius-(radius*radiusRange*randoms2.z))*vec3(randX,abs(randY),randZ);newDirection=newPosition+directionRandomizer*randoms3; \n#elif defined(SPHEREEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);float phi=2.0*PI*randoms2.x;float theta=acos(2.0*randoms2.y-1.0);float randX=cos(phi)*sin(theta);float randY=cos(theta);float randZ=sin(phi)*sin(theta);newPosition=(radius-(radius*radiusRange*randoms2.z))*vec3(randX,randY,randZ);\n#ifdef DIRECTEDSPHEREEMITTER\nnewDirection=normalize(direction1+(direction2-direction1)*randoms3);\n#else\nnewDirection=normalize(newPosition+directionRandomizer*randoms3);\n#endif\n#elif defined(CYLINDEREMITTER)\nvec3 randoms2=getRandomVec3(seed.y);vec3 randoms3=getRandomVec3(seed.z);float yPos=(randoms2.x-0.5)*height;float angle=randoms2.y*PI*2.;float inverseRadiusRangeSquared=((1.-radiusRange)*(1.-radiusRange));float positionRadius=radius*sqrt(inverseRadiusRangeSquared+(randoms2.z*(1.-inverseRadiusRangeSquared)));float xPos=positionRadius*cos(angle);float zPos=positionRadius*sin(angle);newPosition=vec3(xPos,yPos,zPos);\n#ifdef DIRECTEDCYLINDEREMITTER\nnewDirection=direction1+(direction2-direction1)*randoms3;\n#else\nangle=angle+((randoms3.x-0.5)*PI)*directionRandomizer;newDirection=vec3(cos(angle),(randoms3.y-0.5)*directionRandomizer,sin(angle));newDirection=normalize(newDirection);\n#endif\n#elif defined(CONEEMITTER)\nvec3 randoms2=getRandomVec3(seed.y);float s=2.0*PI*randoms2.x;\n#ifdef CONEEMITTERSPAWNPOINT\nfloat h=0.0001;\n#else\nfloat h=randoms2.y*height.y;h=1.-h*h; \n#endif\nfloat lRadius=radius.x-radius.x*randoms2.z*radius.y;lRadius=lRadius*h;float randX=lRadius*sin(s);float randZ=lRadius*cos(s);float randY=h *height.x;newPosition=vec3(randX,randY,randZ); \nvec3 randoms3=getRandomVec3(seed.z);\n#ifdef DIRECTEDCONEEMITTER\nnewDirection=direction1+(direction2-direction1)*randoms3;\n#else\nif (abs(cos(coneAngle))==1.0) {newDirection=vec3(0.,1.0,0.);} else {newDirection=normalize(newPosition+directionRandomizer*randoms3); }\n#endif\n#elif defined(CUSTOMEMITTER)\nnewPosition=initialPosition;outInitialPosition=initialPosition;\n#else \nnewPosition=vec3(0.,0.,0.);newDirection=2.0*(getRandomVec3(seed.w)-vec3(0.5,0.5,0.5));\n#endif\nfloat power=emitPower.x+(emitPower.y-emitPower.x)*randoms.a;\n#ifdef LOCAL\noutPosition=newPosition;\n#else\noutPosition=(emitterWM*vec4(newPosition,1.)).xyz;\n#endif\n#ifdef CUSTOMEMITTER\noutDirection=direction;\n#ifndef BILLBOARD \noutInitialDirection=direction;\n#endif\n#else\n#ifdef LOCAL\nvec3 initial=newDirection;\n#else \nvec3 initial=(emitterWM*vec4(newDirection,0.)).xyz;\n#endif\noutDirection=initial*power;\n#ifndef BILLBOARD \noutInitialDirection=initial;\n#endif\n#endif\n#ifdef ANIMATESHEET \noutCellIndex=cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\noutCellStartOffset=randoms.a*outLife;\n#endif \n#endif\n#ifdef NOISE\noutNoiseCoordinates1=noiseCoordinates1;outNoiseCoordinates2=noiseCoordinates2;\n#endif\n} else {float directionScale=timeDelta;outAge=newAge;float ageGradient=newAge/life;\n#ifdef VELOCITYGRADIENTS\ndirectionScale*=texture(velocityGradientSampler,vec2(ageGradient,0)).r;\n#endif\n#ifdef DRAGGRADIENTS\ndirectionScale*=1.0-texture(dragGradientSampler,vec2(ageGradient,0)).r;\n#endif\n#if defined(CUSTOMEMITTER)\noutPosition=position+(direction-position)*ageGradient; \noutInitialPosition=initialPosition;\n#else\noutPosition=position+direction*directionScale;\n#endif\noutLife=life;outSeed=seed;\n#ifndef COLORGRADIENTS \noutColor=color;\n#endif\n#ifdef SIZEGRADIENTS\noutSize.x=texture(sizeGradientSampler,vec2(ageGradient,0)).r;outSize.yz=size.yz;\n#else\noutSize=size;\n#endif \n#ifndef BILLBOARD \noutInitialDirection=initialDirection;\n#endif\n#ifdef CUSTOMEMITTER\noutDirection=direction;\n#else\nvec3 updatedDirection=direction+gravity*timeDelta;\n#ifdef LIMITVELOCITYGRADIENTS\nfloat limitVelocity=texture(limitVelocityGradientSampler,vec2(ageGradient,0)).r;float currentVelocity=length(updatedDirection);if (currentVelocity>limitVelocity) {updatedDirection=updatedDirection*limitVelocityDamping;}\n#endif\noutDirection=updatedDirection;\n#ifdef NOISE\nfloat fetchedR=texture(noiseSampler,vec2(noiseCoordinates1.x,noiseCoordinates1.y)*vec2(0.5)+vec2(0.5)).r;float fetchedG=texture(noiseSampler,vec2(noiseCoordinates1.z,noiseCoordinates2.x)*vec2(0.5)+vec2(0.5)).r;float fetchedB=texture(noiseSampler,vec2(noiseCoordinates2.y,noiseCoordinates2.z)*vec2(0.5)+vec2(0.5)).r;vec3 force=vec3(2.*fetchedR-1.,2.*fetchedG-1.,2.*fetchedB-1.)*noiseStrength;outDirection=outDirection+force*timeDelta;outNoiseCoordinates1=noiseCoordinates1;outNoiseCoordinates2=noiseCoordinates2;\n#endif \n#endif \n#ifdef ANGULARSPEEDGRADIENTS\nfloat angularSpeed=texture(angularSpeedGradientSampler,vec2(ageGradient,0)).r;outAngle=angle+angularSpeed*timeDelta;\n#else\noutAngle=vec2(angle.x+angle.y*timeDelta,angle.y);\n#endif\n#ifdef ANIMATESHEET \nfloat offsetAge=outAge;float dist=cellInfos.y-cellInfos.x;\n#ifdef ANIMATESHEETRANDOMSTART\noutCellStartOffset=cellStartOffset;offsetAge+=cellStartOffset;\n#else\nfloat cellStartOffset=0.;\n#endif \nfloat ratio=0.;if (cellInfos.w==1.0) {ratio=clamp(mod(cellStartOffset+cellInfos.z*offsetAge,life)/life,0.,1.0);}\nelse {ratio=clamp(cellStartOffset+cellInfos.z*offsetAge/life,0.,1.0);}\noutCellIndex=float(int(cellInfos.x+ratio*dist));\n#endif\n}}`;\n// Sideeffect\nShaderStore.ShadersStore[name] = shader;\n/** @internal */\nexport const gpuUpdateParticlesVertexShader = { name, shader 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