r.VolumetricFog.InverseSquaredLightDistanceBiasScale
VarUnreal Engine Var console variable.
rVolumetricFogInverseSquaredLightDistanceBiasScale
Description
Scales the amount added to the inverse squared falloff denominator. This effectively removes the spike from inverse squared falloff that causes extreme aliasing.
Usage
r.VolumetricFog.InverseSquaredLightDistanceBiasScale [value]Set via the console (~) or in DefaultEngine.ini / DefaultGame.ini.

