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Subject: Re: 3D Cube screensaver - useless but nice
From: Remo Hofer (remo.hofer_at_suisse.org)
Date: 2002-10-14


On Mon, 14 Oct 2002 14:28:02 +0200 bfischer_at_Techfak.Uni-Bielefeld.DE (Bjoern
Fischer) wrote:

>> 3. You don't need the Sin table to be 360 values big. I did some basic tests
>> and I saw no visual difference with half the resolution and only very
>> minor decrease in quality when using a quarter of the size.
>
>Usually a table based sin() (or cos()) function uses a half
>cosinus wave (i.e. 0-180 degrees) everything else can be
>achieved with a few conditionals.
>
>Björn (Fischer)

I would say 0-90 degrees is enough.

-- 
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Remo Hofer <remo.hofer_at_suisse.org>                  \   \   \   \



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