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feat(confetti): stagger particle fade

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ByteAtATime 2025-11-30 15:04:57 -08:00
parent 4567fcb1be
commit 04f27395dd
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1 changed files with 10 additions and 1 deletions
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11
src/components/confetti.rs
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@ -79,6 +79,8 @@ struct Particle {
tilt_cos: f32,
wobble_x: f32,
wobble_y: f32,
fade_start: f32,
fade_end: f32,
}
pub struct Manager {
@ -141,6 +143,9 @@ impl Manager {
)
};
let fade_start = rng.random::<f32>() * 0.5;
let fade_end = fade_start + 0.3 + rng.random::<f32>() * 0.2;
self.particles.push(Particle {
x: start_x,
y: start_y,
@ -163,6 +168,8 @@ impl Manager {
tilt_cos: 0.0,
wobble_x,
wobble_y,
fade_start,
fade_end,
});
}
@ -237,7 +244,9 @@ impl<Message> canvas::Program<Message> for Manager {
}
let progress = p.tick / p.total_ticks;
let alpha = 1.0 - progress;
let fade_progress =
((progress - p.fade_start) / (p.fade_end - p.fade_start)).clamp(0.0, 1.0);
let alpha = 1.0 - fade_progress;
let alpha_quantized = (alpha * 20.0).ceil() / 20.0;
if alpha_quantized <= 0.0 {