XMConvertFloatToHalfStream
XMConvertHalfToFloatStream
XMMatrixDecompose
XMPlaneTransformStream
XMVector2TransformCoordStream
XMVector2TransformNormalStream
XMVector2TransformStream
XMVector3ProjectStream
XMVector3TransformCoordStream
XMVector3TransformNormalStream
XMVector3TransformStream
XMVector3UnprojectStream
XMVector4TransformStream
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XMVectorGetByIndexPtr method

Retrieve, into an instance of a floating-point referenced by pointer, the value of one of the four components of an XMVECTOR Data Type containing floating-point data, referenced by index.

Syntax


VOID XMVectorGetByIndexPtr(
  [out]  float *f,
  XMVECTOR V,
  size_t i
);

Parameters

f [out]

Pointer to an instance of an floating-point object that will receive the value of the i component of the XMVECTOR Data Type object V.

V

A XMVECTOR Data Type containing floating-point data.

i

The index of the component to be retrieved.

Return value

None.

Remarks

The value of i must be positive and less than or equal to three ( 0 <= i <= 3 ).

The indexes have the following correspondence with XMVECTOR Data Type vector components:

IndexComponent

0

x

1

y

2

z

3

w

 

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

Namespace

Use DirectX.

Header

DirectXMath.h

See also

XMVectorGetByIndex
XMVectorSetByIndexPtr

 

 

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