| { |
| "MaxCount": 4096, |
| "Drawable": { |
| "Type": "SkCircleDrawable", |
| "Radius": 2 |
| }, |
| "Code": [ |
| "void effectSpawn(inout Effect effect) {", |
| " effect.rate = 90;", |
| "}", |
| "", |
| "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": [] |
| } |
