D3DXVECTOR3 CGameObject::GetLookAt() 
{ 
//게임 객체를 로컬 z-축 벡터를 반환한다.
	D3DXVECTOR3 d3dxvLookAt(m_d3dxmtxWorld._31, m_d3dxmtxWorld._32, m_d3dxmtxWorld._33);
	D3DXVec3Normalize(&d3dxvLookAt, &d3dxvLookAt);
	return(d3dxvLookAt);
}
const D3DXVECTOR3* CObject::GetLookAt()
{
	D3DXVECTOR3 d3dxvLookAt(m_d3dxmtxWorld->_31, m_d3dxmtxWorld->_32, m_d3dxmtxWorld->_33);
	D3DXVec3Normalize(&d3dxvLookAt, &d3dxvLookAt);
	return &d3dxvLookAt;
}