skia2/resources/particles/sprite_frame.json
Brian Osman d12f2786e2 Use ResourceProvider in particles
Currently just for image drawable, but going to use this for
references to other kinds of data in bindings, too.

Change-Id: Ic6673530013337bbaadd2d3f1c040626ec24ffb8
Bug: skia:9513
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/256776
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
2019-11-27 16:45:23 +00:00

40 lines
854 B
JSON

{
"MaxCount": 32,
"Drawable": {
"Type": "SkImageDrawable",
"Path": "images",
"Name": "explosion_sprites.png",
"Columns": 4,
"Rows": 4
},
"EffectCode": [
"void effectSpawn(inout Effect effect) {",
" effect.rate = 8;",
"}",
""
],
"Code": [
"float2 circle() {",
" float x;",
" float y;",
" do {",
" x = rand * 2 - 1;",
" y = rand * 2 - 1;",
" } while (x*x + y*y > 1);",
" return float2(x, y);",
"}",
"",
"void spawn(inout Particle p) {",
" p.lifetime = 1.0 + rand * 2.0;",
" float2 ofs = circle() * 60;",
" p.pos += ofs;",
" p.vel = ofs / 3;",
"}",
"",
"void update(inout Particle p) {",
" p.frame = p.age;",
"}",
""
],
"Bindings": []
}