skia2/resources/particles/mandrill.json

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{
"MaxCount": 4000,
"Drawable": {
"Type": "SkCircleDrawable",
"Radius": 3
},
"EffectCode": [
"void effectSpawn(inout Effect effect) {",
" effect.rate = 4000;",
"}",
"",
"void effectUpdate(inout Effect effect) {",
"}",
""
],
"Code": [
"void spawn(inout Particle p) {",
" p.lifetime = 1;",
" p.pos = float2(rand, rand) * 200;",
" p.vel = float2(rand, rand) * 2 - 1;",
" p.vel *= 20;",
" p.scale = mix(0.25, 1, rand);",
"}",
"",
"void update(inout Particle p) {",
" p.color = img(p.pos / 200);",
"}",
""
],
"Bindings": [
{
"Type": "SkImageBinding",
"Name": "img",
"ImagePath": "images",
"ImageName": "mandrill_128.png"
}
]
}