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52 lines
1.6 KiB
52 lines
1.6 KiB
{
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"MaxCount": 300,
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"Drawable": {
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"Type": "SkCircleDrawable",
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"Radius": 3
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},
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"Code": [
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"void effectSpawn(inout Effect effect) {",
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" // Phase one: Launch",
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" effect.lifetime = 4;",
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" effect.rate = 120;",
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" float a = radians(mix(-20, 20, rand(effect.seed)) - 90);",
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" float s = mix(200, 220, rand(effect.seed));",
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" effect.vel.x = cos(a) * s;",
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" effect.vel.y = sin(a) * s;",
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" effect.color.rgb = float3(rand(effect.seed), rand(effect.seed), rand(effect.seed));",
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" effect.pos.x = 0;",
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" effect.pos.y = 0;",
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" effect.scale = 0.25; // Also used as particle behavior flag",
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"}",
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"",
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"void effectUpdate(inout Effect effect) {",
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" if (effect.age > 0.5 && effect.rate > 0) {",
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" // Phase two: Explode",
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" effect.rate = 0;",
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" effect.burst = 50;",
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" effect.scale = 1;",
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" } else {",
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" effect.vel.y += dt * 90;",
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" }",
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"}",
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"",
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"void spawn(inout Particle p) {",
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" bool explode = p.scale == 1;",
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"",
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" p.lifetime = explode ? (2 + rand(p.seed) * 0.5) : 0.5;",
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" float a = radians(rand(p.seed) * 360);",
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" float s = explode ? mix(90, 100, rand(p.seed)) : mix(5, 10, rand(p.seed));",
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" p.vel.x = cos(a) * s;",
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" p.vel.y = sin(a) * s;",
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"}",
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"",
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"void update(inout Particle p) {",
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" p.color.a = 1 - p.age;",
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" if (p.scale == 1) {",
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" p.vel.y += dt * 50;",
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" }",
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"}",
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""
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],
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"Bindings": []
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} |