FANCYUI
Tune Backdrop — meteor shower
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Why it works
Each meteor's delay, scale and speed come from a seeded generator, so the same seed draws the same shower on the server and in the browser. Farther meteors are smaller and slower, which gives a flat backdrop parallax depth; negative delays mean the shower is mid-flight on first paint.
When to use it
A hero or an empty state that needs atmosphere without imagery.
Things to watch
It renders bare spans: the parent must be `relative overflow-hidden`. Reduced motion freezes the meteors part-way along their paths. Check text contrast over the brightest streaks.
Implementation clues
- seeded PRNG
- per-meteor delay / scale
- angle
- depth → speed