ClearCoatRoughness

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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/Materials > API/Runtime/Engine/Materials/UMaterialExpressionStrataSimpleC-

Syntax

FExpressionInput ClearCoatRoughness  
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Remarks

Controls how rough the top layer of the material is. Roughness of 0 (smooth) is a mirror reflection and 1 (rough) is completely matte or diffuse. (type = float, unit = unitless, defaults to 0.5)