Re: [info-performer] removing roll from camera without resorting to the use of euler angles

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From: Bram Stolk (bram++at++sara.nl)
Date: 09/25/2002 04:29:24

On Tue, 24 Sep 2002 11:25:50 +0100
Colin Middleton <colin++at++sgi.com> wrote:

> In order to confine i to the global xy plane for an arbitary value of j.
> You generate j ( where you want to point ).
>
>
> k = ( 0,0,1 )
> i = j x k
> Then normalize i.
> k = i x j

Ah... ofcourse.

Collin, thanks. This works ofcourse just fine.

  Bram 

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 Bram Stolk, VR Specialist.
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