SourceWidth

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Unreal Engine C++ API Reference > Runtime > Engine > Components > URectLightComponent

Syntax

UPROPERTY (EditAnywhere, BlueprintReadOnly, Interp, Category=Light,  
          Meta=(UIMin="0.0", UIMax="1000.0", ClampMax="100000"))  
float SourceWidth  
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Remarks

Width of light source rect. Note that light sources shapes which intersect shadow casting geometry can cause shadowing artifacts.