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Greater angles (where the dot product is negative) are blocked by the surface, and the reflected energy is 0.
Below are several examples of a spherical diffuse reflector with a varying lighting angles.
Why do you think spheres are used as examples when shading?
What is missing ??? a little shiny spot ?
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| See the "Links" link above to find out the sources of the proposed informations Pascal Vuylsteker / eScience / Computer Science / ANU |
Last modified: 20/4/2004
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