Fire effect from Doom PSX/Nintendo64
This is based on Samuel Villarreala (@SVKaiser) work who did all the reverse engineering from Doom64 assembly to javascript .
http://fabiensanglard.net/doom_fire_psx/ https://github.com/filipedeschamps/doom-fire-algorithm
I just cleaned things up (javascript had a few asm stigma), improved efficiency slightly and added a doom logo scrolling.
Fab