A real-time fire effect based on the PSX Doom fire described by the wonderful Fabien Sanglard. Uses interlaced rendering to speed things up dramatically. Use the arrow keys to add wind, Z to show/hide stats, and X to turn the fire on and off.
A similar Pico-8 fire was done by Ben Hickling. However, that one looks and works a little differently, and runs at a lower 32x32 resolution (though with higher performance).
I think there's probably ways to make this a fair bit faster, but I just wanted to share this with you all. I hope it keeps you warm, and Happy New Year!
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