> It's simple - they construct a separate shadow map for media for every
> scanline by projecting the meshes onto the plane defined by the
> scanline and the camera origin using the light source as a projection
> origin (multiple overlayed shadow maps merged into one in the case of
> multiple light sources).


Ah! That makes sense! If I'm understanding correctly.

Too bad POV-Ray can't do this.

 - Slime
[ http://www.slimeland.com/ ]

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