XMVectorGetByIndex method
Retrieve the value of one of the four components of an XMVECTOR Data Type containing floating-point data by index.
Syntax
float XMVectorGetByIndex(
XMVECTOR V,
size_t i
);
Parameters
V
A XMVECTOR Data Type containing integer data.i
The index of the component to be retrieved.
Return value
The floating-point value of the selected component.
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:
| Index | Component |
|---|---|
|
|
|
|
|
|
|
|
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 |