From: darn AT NOSPAM DOT vxl DOT imag DOT net (Darren Grant)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: 3D Stuff in Allegro
Date: Fri, 26 Dec 1997 19:51:23 GMT
Organization: Cyberion Networking Corp.
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References: <67vlel$lk0 AT nexus DOT nexus DOT edu DOT au>
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On Fri, 26 Dec 1997 16:27:40 +0930, "Tom Cook" <tcook AT nexus DOT edu DOT au>
wrote:

>then call line() to draw the line between these two projected points. this
>causes problems, though, when one of the points is behind the camera and the
>other is not. Now either I don't calculate one of the points and therefore


You should clip the line at z=zmin before performing the perspective
math.