D3DXQuaternionLength function

Returns the length of a quaternion.

Syntax


FLOAT D3DXQuaternionLength(
  _In_ const D3DXQUATERNION *pQ
);

Parameters

pQ [in]

Type: const D3DXQUATERNION*

Pointer to the source D3DXQUATERNION structure.

Return value

Type: FLOAT

The quaternion's length.

Remarks

Use D3DXQuaternionNormalize for any quaternion input that is not already normalized.

Requirements

Header

D3dx9math.h

Library

D3dx9.lib

See also

Math Functions
D3DXQuaternionLengthSq

 

 

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