r.HairStrands.PlotBsdf.Roughness
VarUnreal Engine Var console variable.
rHairStrandsPlotBsdfRoughness
Description
Change the roughness of the debug BSDF plot.
Usage
r.HairStrands.PlotBsdf.Roughness [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

