From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: 3D-boy is back!
Organization: Pin Eight Software  http://pineight.8m.com/
Message-ID: <3fgors489d8j67ljohb909kkto44tttvhm@4ax.com>
References: <39bc2545_4 AT spamkiller DOT newsfeeds DOT com>
X-Newsreader: Forte Agent 1.7/32.534
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Lines: 41
X-Trace: +ryjt+Z/N5bHDTvt31tpmm4quRAsdjKDVUb7MzgYM5DnJ58MUcpaxoqUZwRhklW6GU2FP0Rrcj1r!myJegxt9SRXOQY+xHywGe3LPSMWFcBYqjA/9uIKkd/bl2B2bt1MdEgU7GTS8SkcYfbVVAKC+DwFH!/VawZcs=
X-Complaints-To: abuse AT gte DOT net
X-Abuse-Info: Please be sure to forward a copy of ALL headers
X-Abuse-Info: Otherwise we will be unable to process your complaint properly
NNTP-Posting-Date: Mon, 11 Sep 2000 02:27:06 GMT
Distribution: world
Date: Mon, 11 Sep 2000 02:27:06 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

On Sun, 10 Sep 2000 19:20:22 -0500, "23yrold3yrold" <cbarry AT pangea DOT ca>
wrote:

>void get_camera_matrix(MATRIX *m, fixed x, y, z, xfront, yfront, zfront,
>fixed xup, yup, zup, fov, aspect);
>
>The first four and last two I understand, but the front's and up's don't
>make any sense to me whatsoever. Are the 'in front' variables

in front is a vector toward what you want to look at, preferably
normalized to length 1.00000

>What is an 'up' direction vector?

up is a vector perpendicular to in front that should point out the top
of the camera.

>Also, does it matter in what order you apply this
>matrix to an object? I assume one should do it last.

last is ok.

>2. What is a good way of creating a 3D model

http://www.blender.nl/

>I know not a whole lot of 3D chat goes on here

news:comp.graphics.algorithms

>but I really could use an Allegro-specific answer

http://alleg.sourceforge.net/allegro/maillist.html

-- 
MS (n)  1. A debilitating and surprisingly widespread affliction
  that renders the sufferer barely able to perform the simplest
  task.  2. A disease, multiple sclerosis (see).

This is McAfee VirusScan. Add these two lines to your signature to
prevent the spread of signature viruses.  http://www.mcafee.com/