class D3DX9 : Object

public static const float D3DX_PI

public static float[] d3DXMatrixLookAtLH( D3DXVECTOR3 eye, D3DXVECTOR3 lookAt, D3DXVECTOR3 up )
public static float[] d3DXMatrixPerspectiveFovLH( float fovy, float aspect, float zn, float zf )
public static float[] d3DXMatrixRotationY( float angle )