One of the most popular effects in the early days of demoscene is the fire effect. Various versions of the effect have been implemented, not only for tech demos but also games. Amongst other titles, it can be seen in the intro of ‘Teen Agent’ masked by the text of the game’s title [1] and various ports of Doom, most notably the ones for Sega Saturn, Nintendo 64 and Sony PSX [3]. The entire effect is simulated in 2D and using a transform feedback buffer. There are multiple variants of th...