From:	"Josh McDonald" <os-dev AT effect DOT net DOT au>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Allegro perspective-correct texture mapping
Date:	13 Mar 1997 22:40:54 GMT
Organization:	NetEffect Internet
Lines:	15
Message-ID:	<01bc2ff7$739c9340$14621ecb@homer.effect.net.au>
References:	<5fg3s0$hob$1 AT troll DOT powertech DOT no> <331F047A DOT 271F AT cam DOT org>
NNTP-Posting-Host:	emu006.effect.net.au
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

> Games like DOOM or DUKE3D don't use polygons and textures.They use
> raytracer engines. If you are talking about Quake, it 'cheats' in the
> way it maps textures.It combines affine with perspective correct or
> somthin like that.Like it's doing a correction only every 16 pixels. The
> result is a faster texture mapper but still 'perspective correct' for
> the human eye & mind. 

HAHAHAHAHAHAHAHAA ROTFL...... How can we tell _everybody_ the truth
about doom so we don't get these messages anymore?

Doom does _not_ use raycasting, or raytracing. It draws polygons, which are
sorted
through a bsp. Sheesh..

-Josh

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