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by tripzilch
3218 days ago
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except the pixels are in a linear framebuffer, the fizzlePixel(x, y) function has a multiplication by 320 in it to calculate the address in the buffer. so you could skip both the modulo and the mul if you go straight for obtaining a random shuffled framebuffer index. unless maybe fizzlePixel does additional bookkeeping for some purpose. |
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Huh the original implementation seems to have a lookup table instead of that, interesting.
https://github.com/id-Software/wolf3d/blob/05167784ef009d0d0...