David Fontaine wrote:

> This is exactly what matrices are for! But here:
>
> Rotate x: <x,y,z> -> <x,y*cos-z*sin,z*cos+y*sin>
> Rotate y: <x,y,z> -> <x*cos+z*sin,y,z*cos-x*sin>
> Rotate z: <x,y,z> -> <x*cos-y*sin,y*cos+x*sin,z>

This is just for left-handed systems BTW.

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/

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