Yeah. If you want to have a material with a lambertian look within the ON model you have to set the roughness to exact zero (and start using specular again).
The lambertian model becomes basically an edge-case of the ON model.
Yeah. If you want to have a material with a lambertian look within the ON model you have to set the roughness to exact zero (and start using specular again).
The lambertian model becomes basically an edge-case of the ON model.