Rockbox mail archiveSubject: Re: 3D Cube screensaver - useless but nice
Re: 3D Cube screensaver - useless but nice
From: Bjoern Fischer <bfischer_at_Techfak.Uni-Bielefeld.DE>
Date: Mon, 14 Oct 2002 14:28:02 +0200
> 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.
Received on 2002-10-14