Oren Nayar


  • Where to find it:


    • Shader Palette / Add New Shader / Choose Diffuse And Specular /




Orren Nayar is a diffuse BRDF shading model with a roughness component.

High values give he surface a powdery,velvety look.


This shader adds the following options to the default Lambert Shading Options:


Node Ports



  • Diffuse Roughness

Maps the Oren-Nayar "rougness".


Node Properties


Main


  • Diffuse Roughness

The diffuse component uses the Oren-Nayar shading model.

When Diffuse Roughness is 0.0 this is identical to classical Lambertian shading, but with higher values the surface gets a a more "powdery" look.