RenderMan Shading Language: Difference between revisions

Revision as of 07:16, 11 October 2008

Revision as of 11:27, 14 October 2008

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Ci = Os * Cs * (Ka * ambient() + Ks * specular(Nf, V, roughness));

}

this is narasimham

Shaders do the work by reading and writing special variables like Cs - surface color, N - normal at given point, and Ci - final surface color.

The arguments to the shaders are global parameters that are attached to objects of the model (so one metal shader can be used for different metals and so on),