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> Unreal Engine API Reference > Runtime > Engine > Kismet > UKismetMathLibrary > UKismetMathLibrary::Matrix_InverseTransformVector

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UKismetMathLibrary::Matrix_InverseTransformVector

Transform a direction vector by the inverse of this matrix - will not take into account translation part.

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Linux

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.h
Include	#include "Kismet/KismetMathLibrary.h"
Source	/Engine/Source/Runtime/Engine/Classes/Kismet/KismetMathLibrary.inl

Syntax

static FVector Matrix_InverseTransformVector
(
const FMatrix & M,
FVector V
)

Remarks

Transform a direction vector by the inverse of this matrix - will not take into account translation part. If you want to transform a surface normal (or plane) and correctly account for non-uniform scaling you should use TransformByUsingAdjointT with adjoint of matrix inverse. (Assumes Matrix represents a transform)

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