skia2/resources/particles/variable_rate.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

23 lines
543 B
JSON

{
"MaxCount": 4000,
"Drawable": {
"Type": "SkCircleDrawable",
"Radius": 3
},
"Code": [
"void effectUpdate(inout Effect effect) {",
" effect.rate = (sin(radians(effect.age * 720)) + 0.7) * 200;",
"}",
"",
"void spawn(inout Particle p) {",
" p.lifetime = 6;",
" float a = radians(rand(p.seed) * 360);",
" float2 ofs = float2(cos(a), sin(a)) * 40;",
" p.pos += ofs;",
" p.vel = ofs;",
" p.scale = 0.5;",
"}",
""
],
"Bindings": []
}