| { |
| "MaxCount": 200, |
| "Drawable": { |
| "Type": "SkCircleDrawable", |
| "Radius": 8 |
| }, |
| "Code": [ |
| "void effectSpawn(inout Effect effect) {", |
| " effect.lifetime = 2;", |
| "}", |
| "", |
| "void effectUpdate(inout Effect effect) {", |
| " if (effect.age < 0.25 || effect.age > 0.75) { effect.rate = 0; }", |
| " else { effect.rate = 200; }", |
| "}", |
| "", |
| "void spawn(inout Particle p) {", |
| " int idx = int(rand(p.seed) * 4);", |
| " p.color.rgb = (idx == 0) ? float3(0.87, 0.24, 0.11)", |
| " : (idx == 1) ? float3(1.00, 0.90, 0.20)", |
| " : (idx == 2) ? float3(0.44, 0.73, 0.24)", |
| " : float3(0.38, 0.54, 0.95);", |
| "", |
| " p.lifetime = (1 - effect.age) * effect.lifetime;", |
| " p.scale = mix(0.6, 1, rand(p.seed));", |
| "}", |
| "", |
| "void update(inout Particle p) {", |
| " p.color.a = 1 - p.age;", |
| "", |
| " float a = radians(rand(p.seed) * 360);", |
| " float invAge = 1 - p.age;", |
| " p.vel = float2(cos(a), sin(a)) * mix(250, 550, rand(p.seed)) * invAge * invAge;", |
| "}", |
| "" |
| ], |
| "Bindings": [] |
| } |
