Cosine roughness¶
The Cosine roughness model is a very simple one : the probability of a given slope is proportional to its cosine. It corresponds to a very rough surface. It is strictly equivalent to Phong roughness with the exponent parameter set to 1.
Children nodes¶
none
Parameters¶
none
Ocean XML 3.0 example¶
<roughness name="roughness" type="cosine"/>