D3DXVECTOR3 CGameObject::GetUp() 
{ 
//게임 객체를 로컬 y-축 벡터를 반환한다.
	D3DXVECTOR3 d3dxvUp(m_d3dxmtxWorld._21, m_d3dxmtxWorld._22, m_d3dxmtxWorld._23);
	D3DXVec3Normalize(&d3dxvUp, &d3dxvUp);
	return(d3dxvUp);
}
const D3DXVECTOR3* CObject::GetUp()
{
	D3DXVECTOR3 d3dxvUp(m_d3dxmtxWorld->_21, m_d3dxmtxWorld->_22, m_d3dxmtxWorld->_23);
	D3DXVec3Normalize(&d3dxvUp, &d3dxvUp);
	return &d3dxvUp;
}