skia2/resources/particles/curves.json
Brian Osman c81378624f Update all example particle data to new single-code-chunk format
Change-Id: Ic53dc7ecab1b44761fe06e6b528864d24cc5fa58
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/363940
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
2021-02-02 18:07:53 +00:00

28 lines
758 B
JSON

{
"MaxCount": 1000,
"Drawable": {
"Type": "SkCircleDrawable",
"Radius": 2
},
"Code": [
"void effectSpawn(inout Effect effect) {",
" effect.rate = 200;",
" effect.color = float4(1, 0, 0, 1);",
"}",
"",
"void spawn(inout Particle p) {",
" p.lifetime = 3 + rand(p.seed);",
" p.vel.y = -50;",
"}",
"",
"void update(inout Particle p) {",
" float w = mix(15, 3, p.age);",
" p.pos.x = sin(radians(p.age * 320)) * mix(25, 10, p.age) + mix(-w, w, rand(p.seed));",
" if (rand(p.seed) < 0.5) { p.pos.x = -p.pos.x; }",
"",
" p.color.g = (mix(75, 220, p.age) + mix(-30, 30, rand(p.seed))) / 255;",
"}",
""
],
"Bindings": []
}