skia2/resources/particles/uniforms.json

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{
"MaxCount": 800,
"Drawable": {
"Type": "SkCircleDrawable",
"Radius": 2
},
"Code": [
"uniform float rate;",
"uniform float spin;",
"uniform float3 color;",
"",
"void effectSpawn(inout Effect effect) {",
" effect.lifetime = 4;",
"}",
"",
"void effectUpdate(inout Effect effect) {",
" effect.rate = 100 * rate;",
" effect.spin = spin;",
"}",
"",
"void spawn(inout Particle p) {",
" p.lifetime = 2 + rand(p.seed);",
" p.vel = p.dir * mix(50, 60, rand(p.seed));",
"}",
"",
"void update(inout Particle p) {",
" p.color.rgb = color;",
"}",
""
],
"Bindings": []
}