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fix(backgrounds): live speed and size updates for fireflies

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This commit is contained in:
Boris Kovalskii
2026-06-11 10:26:34 +10:00
parent 3742f2f88d
commit 3df2ef0f39
2 changed files with 15 additions and 15 deletions
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2
src/components/backgrounds/BackgroundRenderer.tsx
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@@ -21,7 +21,7 @@ function reduceMobileSettings(settings: Record<string, unknown>): Record<string,
if (typeof reduced.particleDensity === 'number') if (typeof reduced.particleDensity === 'number')
reduced.particleDensity = Math.max(50, Math.floor(reduced.particleDensity / 4)); reduced.particleDensity = Math.max(50, Math.floor(reduced.particleDensity / 4));
if (typeof reduced.density === 'number') if (typeof reduced.density === 'number')
reduced.density = Math.max(10, Math.floor(reduced.density / 2)); reduced.density = Math.max(20, Math.floor(reduced.density / 2));
if (typeof reduced.starCount === 'number') if (typeof reduced.starCount === 'number')
reduced.starCount = Math.max(50, Math.floor(reduced.starCount / 4)); reduced.starCount = Math.max(50, Math.floor(reduced.starCount / 4));
if (typeof reduced.number === 'number') if (typeof reduced.number === 'number')

28
src/components/ui/backgrounds/fireflies.tsx
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@@ -53,9 +53,9 @@ export default function FirefliesBackground({ settings }: Props) {
const fireflies: Firefly[] = Array.from({ length: Math.floor(count) }, () => ({ const fireflies: Firefly[] = Array.from({ length: Math.floor(count) }, () => ({
x: Math.random() * w, x: Math.random() * w,
y: Math.random() * h, y: Math.random() * h,
vx: (Math.random() - 0.5) * speed * 0.6, vx: (Math.random() - 0.5) * 0.6,
vy: (Math.random() - 0.5) * speed * 0.6, vy: (Math.random() - 0.5) * 0.6,
radius: size * (0.5 + Math.random() * 0.5), radius: 0.5 + Math.random() * 0.5,
phase: Math.random() * Math.PI * 2, phase: Math.random() * Math.PI * 2,
pulseSpeed: 0.5 + Math.random() * 1.5, pulseSpeed: 0.5 + Math.random() * 1.5,
})); }));
@@ -78,7 +78,7 @@ export default function FirefliesBackground({ settings }: Props) {
window.addEventListener('resize', onResize); window.addEventListener('resize', onResize);
return () => window.removeEventListener('resize', onResize); return () => window.removeEventListener('resize', onResize);
}, [count, speed, size]); }, [count]);
useAnimationLoop( useAnimationLoop(
(time) => { (time) => {
@@ -88,28 +88,28 @@ export default function FirefliesBackground({ settings }: Props) {
const { ctx, fireflies, w, h } = state; const { ctx, fireflies, w, h } = state;
ctx.clearRect(0, 0, w, h); ctx.clearRect(0, 0, w, h);
ctx.fillStyle = color;
for (const f of fireflies) { for (const f of fireflies) {
f.x += f.vx + Math.sin(time / 2000 + f.phase) * 0.3 * speed; f.x += f.vx * speed + Math.sin(time / 2000 + f.phase) * 0.3 * speed;
f.y += f.vy + Math.cos(time / 2400 + f.phase) * 0.2 * speed; f.y += f.vy * speed + Math.cos(time / 2400 + f.phase) * 0.2 * speed;
if (f.x < -10) f.x = w + 10; if (f.x < -20) f.x = w + 20;
if (f.x > w + 10) f.x = -10; if (f.x > w + 20) f.x = -20;
if (f.y < -10) f.y = h + 10; if (f.y < -20) f.y = h + 20;
if (f.y > h + 10) f.y = -10; if (f.y > h + 20) f.y = -20;
const pulse = 0.35 + 0.65 * (0.5 + 0.5 * Math.sin((time / 1000) * f.pulseSpeed + f.phase)); const pulse = 0.35 + 0.65 * (0.5 + 0.5 * Math.sin((time / 1000) * f.pulseSpeed + f.phase));
const radius = f.radius * size;
ctx.globalAlpha = pulse * 0.25; ctx.globalAlpha = pulse * 0.25;
ctx.beginPath(); ctx.beginPath();
ctx.arc(f.x, f.y, f.radius * 3, 0, Math.PI * 2); ctx.arc(f.x, f.y, radius * 3, 0, Math.PI * 2);
ctx.fillStyle = color;
ctx.fill(); ctx.fill();
ctx.globalAlpha = pulse; ctx.globalAlpha = pulse;
ctx.beginPath(); ctx.beginPath();
ctx.arc(f.x, f.y, f.radius, 0, Math.PI * 2); ctx.arc(f.x, f.y, radius, 0, Math.PI * 2);
ctx.fillStyle = color;
ctx.fill(); ctx.fill();
} }