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7. Re: More on DOOM 3 Source Release Nov 16, 2011, 14:45 Boston
 
Yeah patenting algorithms is fucking stupid. Any programmer could've come up with this method independently. When I was doing stencil shadows I got sick of nearclipping and capping shadow volumes and one day thought "heeeey.... wait a sec. why can't I precompute volume for decayed light source anyway?"
Which led me to google search and discover that carmack (and creative) had elegant working solution of the same idea.

If a mediocre programmer like me can think of it, anyone can.
 
 
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