Quote:
Originally posted by Kaimetsu
Out of curiosity, have you considered the possible problems in using shaded polygons instead of wireframes? It's quite an interesting puzzle to solve 
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The only viable method you can use is to work out the normal to the polygon, and take the angle from a given ray of light falling on it to work out the intensity. I imagine this is what you did. For those that dont know, this is an example of raytracing, but doesn't cast shadows onto other odjects.