IMeshUtilities::CalculateMikkTSpaceTangents

Calculates MikkTSpace Tangents for a given set of vertex data with normals provided

Unreal Engine C++ API Reference > Developer > MeshUtilities > IMeshUtilities

References

   
Module MeshUtilities
Header /Engine/Source/Developer/MeshUtilities/Public/MeshUtilities.h
Include #include "MeshUtilities.h"
void CalculateMikkTSpaceTangents
(
    const [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & InVertices,
    const [TArray](API\Runtime\Core\Containers\TArray)< uint32 > & InIndices,
    const [TArray](API\Runtime\Core\Containers\TArray)< FVector2f > & InUVs,
    const [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & InNormals,
    bool bIgnoreDegenerateTriangles,
    [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & OutTangentX,
    [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & OutTangentY
) const

Remarks

Calculates MikkTSpace Tangents for a given set of vertex data with normals provided

Parameters

Name Description
InVertices Vertices that make up the mesh
InIndices Indices for the Vertex array
InUVs Texture coordinates (per-index based)
InNormals Normals used for the tangent calculation (must be normalized)
bIgnoreDegenerateTriangles Flag for MikkTSpace to skip degenerate triangles fix-up path
OutTangentX Array to hold calculated Tangents
OutTangentY Array to hold calculated Bitangents

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