Beckmann roughness¶
The Beckmann roughness model is based on an isotropic gaussian distribution of slopes. Its roughness parameter corresponds to the standard deviation (RMS) of the slope. A value of zero corresponds to a perfectly smooth specular surface.
Children nodes¶
roughness | The roughness shader |
Parameters¶
none
Ocean XML 3.0 example¶
<roughness name="roughness" type="beckmann">
<scalarshader name="exponent" type="uniform" value="0.4"/>
</roughness>