{ "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(inout float seed) {", " float r = sqrt(rand(seed));", " float a = rand(seed) * 6.283185;", " return r * float2(sin(a), cos(a));", "}", "", "void spawn(inout Particle p) {", " p.lifetime = 1.0 + rand(p.seed) * 2.0;", " float2 ofs = circle(p.seed) * 60;", " p.pos += ofs;", " p.vel = ofs / 3;", "}", "", "void update(inout Particle p) {", " p.frame = p.age;", "}", "" ], "Bindings": [] }