Talk:Surface caching
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If my memory serves me correctly, it was actually a programmer named Billy Zelsnack who had done this first. He was already independently working on his own full-3D engine at the time when Quake was still under development, for his own project called Sabotage. Quake originally was not going to contain any dynamic surface lighting because it was slow as Carmack had originally implemented it, until Mr. Zelsnack contributed his lighting algorithms to the team at id Software. I still have a crude demo somewhere on one of my CDRs of Zelsnack's partially-completed engine from when he had implemented the dynamic lighting; you would fly around a crude reconstruction of Doom 2 MAP07 and, going up to any surface, hit the space bar to add a light, and you would see the changes on the nearby walls.
However, considering Sabotage was cancelled and Quake made it to the stores, I won't change the article. I also probably have a couple of details wrong. I'm sure someone else out there remembers the full story. --I am not good at running 23:43, 7 May 2005 (UTC)