3D Rotation

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#1418

From: murrayk
Date: Fri, 05 Apr 1991 22:47

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I have been working on programming my IBM compatible (286 for now, soon to
be a 486) :) for quite some time now and I have some aspirations to
program a game that uses 3-dimensional graphics, probable line graphics.
I have looked all over the country for books on the subject.  I have read
books that include code, and books that include theory from which I
created my own code.  All to no avail.  I can rotate things up the
yin-yang but the rotations are not correct.  They seem to be absolute to
the screen, not to the actual object.  I have tried every thing I can
think of to remedy this problem, but I have had no luck.  I don't know if
I am just missing something elemental or if there is actually a big idea
that I just don't see...

I would be really happy to hear from anyone with some experience in this
field about what I am doing wrong.  Thanks a LOT.  This problem has been
giving me headaches for quite some time now.

Keith Murray
CHAOS Software

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	CHAOS Software			Software for someone...
						
	1360 NW VanBuren		Keith Murray  a.k.a. Slammer
	Corvallis, OR  97330		murrayk@prism.cs.orst.edu
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!sdd.hp.com!think.com!mintaka!ogicse!usenet!
From: murrayk@prism.CS.ORST.EDU
Newsgroups: rec.games.programmer,alt.msdos.programmer,comp.sys.ibm.pc.programmer
Subject: 3D Rotation
Summary: Need 3D stuff that works.
Keywords: 3D, rotation, real
Message-ID: <1991Apr05.224711.12750@lynx.CS.ORST.EDU>
Date: 5 Apr 91 22:47:11 GMT
Sender: @lynx.CS.ORST.EDU
Organization: Oregon State University, Computer Science Dept.
Lines: 26
Nntp-Posting-Host: prism.cs.orst.edu