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XMVector4AngleBetweenNormals function (directxmath.h)

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Compute the radian angle between two normalized 4D vectors.

Syntax

XMVECTOR XM_CALLCONV XMVector4AngleBetweenNormals(
  [in] FXMVECTOR N1,
  [in] FXMVECTOR N2
) noexcept;

Parameters

[in] N1

Normalized 4D vector.

[in] N2

Normalized 4D vector.

Return value

Returns a vector. The radian angle between N1 and N2 is replicated to each of the components.

Remarks

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)

See also

DirectXMath Library 4D Vector Geometric Functions

XMVector4AngleBetweenNormalsEst