Re: 3d programming

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#24

From: Timothy Eves
Date: Mon, 12 Feb 1996 19:23

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John J. Karcher wrote:
[snip]
> >Points are vectors.

Possibly they are as far as implementaion goes, but not conceptualy
true.  The 'pure' definition of a point is that is has absolute position
(x,y & z), whilst a vector has magnitude and direction but no absolute
position

> But the reverse is not true.

Quite

>     - John J. Karcher

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Path: arc1-ca.pugleaf.net!yama.mcc.ac.uk!dmu!usenet
From: Timothy Eves <se1te@dmu.ac.uk>
Newsgroups: comp.lang.pascal.borland,comp.lang.pascal.mac,comp.lang.pascal.ansi-iso,comp.lang.pascal.misc,comp.sys.amiga.programmer,comp.graphics.algorithms,comp.os.ms-windows.programmer.graphics,comp.sys.amiga.graphics
Subject: Re: 3d programming
Date: Mon, 12 Feb 1996 19:23:15 +0000
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