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A comment on Graveyard Keeper: How the graphics effects are made. Parent comment

Re:Graveyard Keeper: How the graphics effects are made by viggity on Friday November 02, 2018 @09:57AM (#18363032)
finding an approximate root for these purposes can be really quite fast, as was demonstrated in Quake III. https://en.wikipedia.org/wiki/Fast_inverse_square_root
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