{ "MaxCount": 4096, "Drawable": { "Type": "SkCircleDrawable", "Radius": 2 }, "EffectCode": [ "void effectSpawn(inout Effect effect) {", " effect.rate = 90;", "}", "" ], "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 = 30;", " p.pos += circle(p.seed) * 40;", "}", "", "void update(inout Particle p) {", " p.vel += normalize(p.pos - effect.pos) * dt * 10;", " p.scale = mix(0.25, 3, p.age);", "}", "" ], "Bindings": [] }