XMVector3TransformNormal function (directxmath.h)

Article
02/22/2024

Transforms the 3D vector normal by the given matrix.

Syntax

XMVECTOR XM_CALLCONV XMVector3TransformNormal(
  [in] FXMVECTOR V,
  [in] FXMMATRIX M
) noexcept;

Parameters

[in] V

3D normal vector.

[in] M

Transformation matrix.

Return value

Returns the transformed vector.

Remarks

XMVector3TransformNormal performs transformations using the input matrix rows 0, 1, and 2 for rotation and scaling, and ignores row 3.

Platform Requirements

Microsoft Visual Studio 2010 or Microsoft Visual Studio 2012 with the Windows SDK for Windows 8. Supported for Win32 desktop apps, Windows Store apps, and Windows Phone 8 apps.

Requirements

Requirement	Value
Target Platform	Windows
Header	directxmath.h (include DirectXMath.h)