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> Unreal Engine API Reference > Runtime > GeometryCore > TTransform3 > TransformNormal > TTransform3::TransformNormal

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TTransform3::TransformNormal

Surface Normals are special, their transform is Rotate( Normalize( (1/Scale) * Normal) ) ). However 1/Scale requires special handling in case any component is near-zero.

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References

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

Syntax

TVector< RealType > TransformNormal
(
const UE::Math::TVector< RealType > & Normal
) const

Remarks

Surface Normals are special, their transform is Rotate( Normalize( (1/Scale) * Normal) ) ). However 1/Scale requires special handling in case any component is near-zero.

Returns

input surface normal with transform applied.