> Does anyone know how to simulate the vignetting that was present in old
> camera lenses - a loss of brightness towards the edge of the field, say
> according to a cosine law?


Simple solution: put a sphere around the camera, textured with a cylindrical
texture (so the values you give in your color_map correspond to the cosine
of the angle), using colors of rgbf<?,?,?,1> where the ? goes from 0 at the
edges to 1 in the center.

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

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