A colleague of mine made this: https://twitter.com/LarsMichelsen/status/1430218030727024641
And those you probably found already:
• https://codeduino.com/projects/games/1d-pong-game/
• https://hackaday.io/project/185011-twang-esp32-led-strip-1d-...
also this one would be great to have it on an led strip: