[PD] Math of Gem

Dudley Brooks dbrooks at runforyourlife.org
Sun Jan 20 18:11:00 CET 2008

Could someone point me to a discussion of the matrix (and other) math of 
Gem?  Particularly with respect to lighting effects (I'm already 
somewhat familiar with the math of geometrical transformations). 
Particularly the interactions between [world_light], [light], [ambient], 
[diffuse], [specular], [color], etc.


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