D3DXQuaternionDot

The D3DXQuaternionDot function returns the dot-product of two quaternions.

float D3DXQuaternionDot(
  D3DXQUATERNION* pQ1,
  const D3DXQUATERNION* pQ2
); 

Parameters

pQ1

A pointer to a source D3DXQUATERNION structure.

pQ2

A pointer to a source D3DXQUATERNION structure.

Return Values

The dot-product of two quaternions.

Requirements

  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 95 or later. Available as a redistributable for Windows 95.
  Version: Requires DirectX 7.0.
  Header: Declared in d3dxmath.h.
  Library: Use d3dx.lib.