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Subject: Re: 3D Cube screensaver - useless but nice
From: Bjoern Fischer (bfischer_at_Techfak.Uni-Bielefeld.DE)
Date: 2002-10-14


> 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)



Page was last modified "Jan 10 2012" The Rockbox Crew
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