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XMVector2AngleBetweenNormals function (directxmath.h)

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Computes the radian angle between two normalized 2D vectors.

Syntax

XMVECTOR XM_CALLCONV XMVector2AngleBetweenNormals(
  [in] FXMVECTOR N1,
  [in] FXMVECTOR N2
) noexcept;

Parameters

[in] N1

Normalized 2D vector.

[in] N2

Normalized 2D 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 2D Vector Geometric Functions

XMVector2AngleBetweenNormalsEst

XMVector2AngleBetweenVectors