xref: /third_party/skia/resources/particles/uniforms.json
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1cb93a386Sopenharmony_ci{
2cb93a386Sopenharmony_ci   "MaxCount": 800,
3cb93a386Sopenharmony_ci   "Drawable": {
4cb93a386Sopenharmony_ci      "Type": "SkCircleDrawable",
5cb93a386Sopenharmony_ci      "Radius": 2
6cb93a386Sopenharmony_ci   },
7cb93a386Sopenharmony_ci   "Code": [
8cb93a386Sopenharmony_ci      "uniform float rate;",
9cb93a386Sopenharmony_ci      "uniform float spin;",
10cb93a386Sopenharmony_ci      "uniform float3 color;",
11cb93a386Sopenharmony_ci      "",
12cb93a386Sopenharmony_ci      "void effectSpawn(inout Effect effect) {",
13cb93a386Sopenharmony_ci      "  effect.lifetime = 4;",
14cb93a386Sopenharmony_ci      "}",
15cb93a386Sopenharmony_ci      "",
16cb93a386Sopenharmony_ci      "void effectUpdate(inout Effect effect) {",
17cb93a386Sopenharmony_ci      "  effect.rate = 100 * rate;",
18cb93a386Sopenharmony_ci      "  effect.spin = spin;",
19cb93a386Sopenharmony_ci      "}",
20cb93a386Sopenharmony_ci      "",
21cb93a386Sopenharmony_ci      "void spawn(inout Particle p) {",
22cb93a386Sopenharmony_ci      "  p.lifetime = 2 + rand(p.seed);",
23cb93a386Sopenharmony_ci      "  p.vel = p.dir * mix(50, 60, rand(p.seed));",
24cb93a386Sopenharmony_ci      "}",
25cb93a386Sopenharmony_ci      "",
26cb93a386Sopenharmony_ci      "void update(inout Particle p) {",
27cb93a386Sopenharmony_ci      "  p.color.rgb = color;",
28cb93a386Sopenharmony_ci      "}",
29cb93a386Sopenharmony_ci      ""
30cb93a386Sopenharmony_ci   ],
31cb93a386Sopenharmony_ci   "Bindings": []
32cb93a386Sopenharmony_ci}

Indexes created Thu Nov 07 10:32:03 CST 2024