Sets the size of the specular lobe. The specular lobe is the bright spot that is reflected from light sources. Note: unlike metallic, this is not energy-conserving, so it should be left at 0.5 in most cases. See also roughness.
See Implementation
Sets the size of the specular lobe. The specular lobe is the bright spot that is reflected from light sources. Note: unlike metallic, this is not energy-conserving, so it should be left at 0.5 in most cases. See also roughness.