r.Substrate.Debug.RoughnessTracking
VarUnreal Engine Var console variable.
rSubstrateDebugRoughnessTracking
Description
Substrate debug control to disable roughness tracking, e.g. top layer roughness affecting bottom layer roughness to simulate light scattering.
Usage
r.Substrate.Debug.RoughnessTracking [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

