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  3. LightFunctionAtlasLightIndex

LightFunctionAtlasLightIndex

The light index in order to be able to read matrix and parameters when reading the light function atlas for that light.

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FLightSceneProxy

Syntax

uint8 LightFunctionAtlasLightIndex

Remarks

The light index in order to be able to read matrix and parameters when reading the light function atlas for that light. A value of 0 means this is the default identity light function and no light function sampling will be done in shader.

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