playcanvas/build/playcanvas/src/scene/shader-lib/chunks/particle/vert/particle_cpu.js

PlayCanvas WebGL game engine

var particle_cpuVS = "\nattribute vec4 particle_vertexData;\nattribute vec4 particle_vertexData2;\nattribute vec4 particle_vertexData3;\nattribute float particle_vertexData4;\n#ifndef USE_MESH\nattribute vec2 particle_vertexData5;\n#else\nattribute vec4 particle_vertexData5;\n#endif\nuniform mat4 matrix_viewProjection;\nuniform mat4 matrix_model;\n#ifndef VIEWMATRIX\n#define VIEWMATRIX\nuniform mat4 matrix_view;\n#endif\nuniform mat3 matrix_normal;\nuniform mat4 matrix_viewInverse;\nuniform float numParticles;\nuniform float lifetime;\nuniform float stretch;\nuniform float seed;\nuniform vec3 wrapBounds;\nuniform vec3 emitterScale;\nuniform vec3 faceTangent;\nuniform vec3 faceBinorm;\n#ifdef PARTICLE_GPU\n	uniform highp sampler2D internalTex0;\n	uniform highp sampler2D internalTex1;\n	uniform highp sampler2D internalTex2;\n#endif\nuniform vec3 emitterPos;\nvarying vec4 texCoordsAlphaLife;\nvec2 rotate(vec2 quadXY, float pRotation, out mat2 rotMatrix)\n{\n	float c = cos(pRotation);\n	float s = sin(pRotation);\n	mat2 m = mat2(c, -s, s, c);\n	rotMatrix = m;\n	return m * quadXY;\n}\nvec3 billboard(vec3 InstanceCoords, vec2 quadXY)\n{\n	vec3 pos = -matrix_viewInverse[0].xyz * quadXY.x + -matrix_viewInverse[1].xyz * quadXY.y;\n	return pos;\n}\nvec3 customFace(vec3 InstanceCoords, vec2 quadXY)\n{\n	vec3 pos = faceTangent * quadXY.x + faceBinorm * quadXY.y;\n	return pos;\n}\nvoid main(void)\n{\n	vec3 particlePos = particle_vertexData.xyz;\n	vec3 inPos = particlePos;\n	vec3 vertPos = particle_vertexData3.xyz;\n	vec3 inVel = vec3(particle_vertexData2.w, particle_vertexData3.w, particle_vertexData5.x);\n	float id = floor(particle_vertexData4);\n	float rndFactor = fract(sin(id + 1.0 + seed));\n	vec3 rndFactor3 = vec3(rndFactor, fract(rndFactor*10.0), fract(rndFactor*100.0));\n#ifdef LOCAL_SPACE\n	inVel = mat3(matrix_model) * inVel;\n#endif\n	vec2 velocityV = normalize((mat3(matrix_view) * inVel).xy);\n	vec2 quadXY = vertPos.xy;\n#ifdef USE_MESH\n	texCoordsAlphaLife = vec4(particle_vertexData5.zw, particle_vertexData2.z, particle_vertexData.w);\n#else\n	texCoordsAlphaLife = vec4(quadXY * -0.5 + 0.5, particle_vertexData2.z, particle_vertexData.w);\n#endif\n	mat2 rotMatrix;\n	float inAngle = particle_vertexData2.x;\n	vec3 particlePosMoved = vec3(0.0);\n	vec3 meshLocalPos = particle_vertexData3.xyz;\n";

export { particle_cpuVS as default };