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Unreal Engine C++ API Reference > Developer > MeshUtilities > IMeshUtilities
References
Module | MeshUtilities |
Header | /Engine/Source/Developer/MeshUtilities/Public/MeshUtilities.h |
Include | #include "MeshUtilities.h" |
void CalculateTangents ( 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)< uint32 > & InSmoothingGroupIndices, const uint32 InTangentOptions, [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & OutTangentX, [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & OutTangentY, [TArray](API\Runtime\Core\Containers\TArray)< FVector3f > & OutNormals ) const
Remarks
Calculates Tangents and Normals for a given set of vertex data
Parameters
Name | Description |
---|---|
InVertices | Vertices that make up the mesh |
InIndices | Indices for the Vertex array |
InUVs | Texture coordinates (per-index based) |
InSmoothingGroupIndices | Smoothing group index (per-face based) |
InTangentOptions | Flags for Tangent calculation |
OutTangentX | Array to hold calculated Tangents |
OutTangentY | Array to hold calculated Bitangents |
OutNormals | Array to hold calculated normals (if already contains normals will use those instead for the tangent calculation) |