Developer Builds a Native Mac App That Turns Weather Into a Metal Shader Wallpaper
ow · x · 2026-11-15
Developer @ow set out to just get a nicer background for a new computer and ended up spending hours building a full native Mac app: an all-dynamic Metal shader wallpaper.
- The wallpaper follows the time of day and pulls in local weather: rain puts drops on the glass, wind swirls the colors.
- The demo video is sped up 500x; the author insists the real thing is very calm.
It's a classic "just wanted a wallpaper, built an entire app" developer moment, and a concrete demo of using Metal shaders for real-time dynamic backgrounds.
Related event: Developer Builds Wind-Reactive Dynamic Wallpaper App in Hours(2 posts)→
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