def METHOD_NAME(self) -> Tuple[float, float, float]:
    """3D view direction vector of the camera.
    View direction is calculated from the Euler angles and returned as a
    3-tuple. This direction is in 3D scene coordinates, the world coordinate
    system for three currently displayed dimensions.
    """
    ang = np.deg2rad(self.angles)
    METHOD_NAME = (
        np.sin(ang[2]) * np.cos(ang[1]),
        np.cos(ang[2]) * np.cos(ang[1]),
        -np.sin(ang[1]),
    )
    return METHOD_NAME