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> Unreal Engine API Reference > Runtime > Engine > CropUnmappedTexels

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CropUnmappedTexels

Calculates the minimum rectangle that encompasses all mapped texels.

Windows

MacOS

Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/LightMap.h
Include	#include "LightMap.h"

Syntax

template<class TMappingData>
void CropUnmappedTexels
(
    const TMappingData & MappingData,
    int32 SizeX,
    int32 SizeY,
    FIntRect & CroppedRect
)

Remarks

Calculates the minimum rectangle that encompasses all mapped texels.

Parameters

Parameter	Description
MappingData	Array of lightmap/shadowmap texels
SizeX	Number of texels along the X-axis
SizeY	Number of texels along the Y-axis
CroppedRect	[out] Upon return, contains the minimum rectangle that encompasses all mapped texels

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