Path: chuka.playstation.co.uk!news
From: markt@mincom.com
Newsgroups: scee.yaroze.programming.3d_graphics
Subject: Viewpoint rotation
Date: 8 Sep 1997 3:43:33 GMT
Organization: PlayStation Net Yaroze (SCEE)
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From: Mark Theyer <markt@mincom.com>
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To: John Elliot <cg98@dial.pipex.com>
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"John Elliot" <cg98@dial.pipex.com> wrote:
>The only problem with this is that it involved a lot of uses of cos() and
>sin(), which resulted in a considerable slowdown in frame-rate, even though
>my entire model was only 37 textured polygons.

I'd suggest pre-calculating and saving 360 values for both sin and 
cos in an array (1 for each degree of rotation).

Mark Theyer
markt@mincom.com