XMVectorSetWPtr function (directxmath.h)

Article
07/12/2022

Sets the w component of an XMVECTOR containing floating-point data, with a value contained in an instance of float referred to by a pointer.

Syntax

XMVECTOR XM_CALLCONV XMVectorSetWPtr(
       FXMVECTOR   V,
  [in] const float *w
) noexcept;

Parameters

V

A valid 4D vector storing floating-point data.

[in] w

Pointer to a float containing the value to be stored in the w element of the XMVECTOR Data Type object V.

Return value

An instance of XMVECTOR Data Type whose w component has been set to the floating-point value provided by the argument w to XMVectorSetWPtr. All other components of the returned XMVECTOR Data Type instance have the same value as those of the input vector V.

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)

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