UKismetMathLibrary::Matrix_TransformVector

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Unreal Engine C++ API Reference > Runtime > Engine > Kismet > UKismetMathLibrary

References

UFUNCTION (BlueprintPure,  
          Meta=(DisplayName="Transform Vector (Matrix)", ScriptMethod="TransformVector"),  
          Category="Math|Matrix")  
static FVector4 Matrix_TransformVector  
(  
    const FMatrix & M,  
    FVector V  
)  
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UFUNCTION (BlueprintPure,           Meta=(DisplayName="Transform Vector (Matrix)", ScriptMethod="TransformVector"),           Category="Math|Matrix") static FVector4 Matrix_TransformVector (     const FMatrix & M,     FVector V )

Remarks

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