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Also, how should diffuse surfaces be handled; i.e. how many rays should be reflected from the surface?

April 26, 2017Diffuse handled Rays reflected surfaces

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Also, how should diffuse surfaces be handled; i.e. how many rays should be reflected from the surface?

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In practice, we can’t treat diffuse surfaces correctly by sampling all the scattering directions. It’s horribly expensive. Better to just use the local illumination model there.