95c26efc90
Change-Id: I2cb6255a553852a292427d6dc9ef8c5ed7f8286d Reviewed-on: https://skia-review.googlesource.com/c/skia/+/252926 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Michael Ludwig <michaelludwig@google.com> Reviewed-by: Mike Reed <reed@google.com>
113 lines
3.0 KiB
JSON
113 lines
3.0 KiB
JSON
{
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"MaxCount": 128,
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"Drawable": {
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"Type": "SkCircleDrawable",
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"Radius": 2
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},
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"EffectCode": [
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"void effectSpawn(inout Effect effect) {",
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" if (effect.loop == 0) {",
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" cloud(true);",
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" }",
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" effect.color = float4(0.1, 0.1, 1.0, 1.0);",
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" effect.rate = 10;",
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"}",
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""
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],
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"Code": [
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"void spawn(inout Particle p) {",
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" p.lifetime = 4;",
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" p.pos.x = mix(-50, 50, rand(p.seed));",
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" p.vel.y = 50;",
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"}",
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"",
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"bool once(bool cond, inout uint flags, uint flag) {",
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" bool result = false;",
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" if (cond && (flags & flag) == 0) {",
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" flags |= flag;",
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" result = true;",
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" }",
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" return result;",
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"}",
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"",
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"void update(inout Particle p) {",
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" p.vel.y += 20 * dt;",
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" if (once(p.pos.y > 150, p.flags, 0x1)) {",
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" p.scale = 0;",
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" splash(false);",
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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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{
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"Type": "SkEffectBinding",
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"Name": "cloud",
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"MaxCount": 60,
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"Drawable": {
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"Type": "SkCircleDrawable",
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"Radius": 16
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},
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"EffectCode": [
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"void effectSpawn(inout Effect effect) {",
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" effect.color = float4(1, 1, 1, 1);",
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" effect.rate = 30;",
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"}",
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""
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],
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"Code": [
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"float2 circle(inout uint seed) {",
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" float2 xy;",
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" do {",
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" xy.x = 2 * rand(seed) - 1;",
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" xy.y = 2 * rand(seed) - 1;",
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" } while (dot(xy, xy) > 1);",
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" return xy;",
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"}",
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"",
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"void spawn(inout Particle p) {",
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" p.lifetime = 2.5;",
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" p.pos = circle(p.seed) * float2(50, 10);",
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" p.vel.x = mix(-10, 10, rand(p.seed));",
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" p.vel.y = mix(-10, 10, rand(p.seed));",
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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 - (length(p.pos) / 150);",
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"}",
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""
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],
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"Bindings": []
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},
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{
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"Type": "SkEffectBinding",
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"Name": "splash",
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"MaxCount": 8,
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"Drawable": {
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"Type": "SkCircleDrawable",
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"Radius": 1
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},
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"EffectCode": [
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"void effectSpawn(inout Effect effect) {",
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" effect.burst = 8;",
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" effect.scale = 1;",
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"}",
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""
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],
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"Code": [
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"void spawn(inout Particle p) {",
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" p.lifetime = rand(p.seed);",
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" float a = radians(mix(-80, 80, rand(p.seed)) - 90);",
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" p.vel.x = cos(a) * 20;",
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" p.vel.y = sin(a) * 20;",
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"}",
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"",
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"void update(inout Particle p) {",
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" p.vel.y += dt * 20;",
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"}",
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""
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],
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"Bindings": []
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}
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]
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} |