Oh, I didn't know we were doing this :)

Here's Doom Fire, implemented using as an Offscreen Canvas demo.

🔥 The demo: doom-fire.com
🔥 Blog post: bandarra.me/posts/Buildi...
🔥 Source code: github.com/andreban/doo....
🔥 Inspired by: fabiensanglard.net/doom_fire_psx/