TIP: Click on subject to list as thread! ANSI
echo: 80xxx
to: SAM IZZO
from: THOMAS HABETS
date: 1997-08-05 02:40:00
subject: rendering!

 SI> ahh, but 3d as in codewise.. Wolfenstein was completely 2d,
 SI> using raycasting.. DOOM is kinda 3d.  Its map has x and z
 SI> co-ordinates, and each sector has a height.
I've read somewhere that DOOM uses raycasting (like Wolf3d) but double. One 
along the ceiling and one along the floor. Is there any truth to that?
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