IndirectLightingSmoothness

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Unreal Engine C++ API Reference > Runtime > Engine > GameFramework > FLightmassWorldInfoSettings

Syntax

UPROPERTY (BlueprintReadWrite, EditAnywhere, Category=LightmassGeneral, AdvancedDisplay,  
          Meta=(UIMin="0.5", UIMax="6.0"))  
float IndirectLightingSmoothness  
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Remarks

Smoothness factor to apply to indirect lighting. This is useful in some lighting conditions when Lightmass cannot resolve accurate indirect lighting. 1 is default smoothness tweaked for a variety of lighting situations. Higher values like 3 smooth out the indirect lighting more, but at the cost of indirect shadows losing detail.