exports.rotate_camera = function(cam_obj, angle_phi, angle_theta, time, cb) {
    if (m_cam.get_move_style(cam_obj) == m_cam.MS_STATIC) {
        m_print.error("rotate_camera(): not supported for STATIC cameras");
        return;
    }

    if (_is_camera_rotating)
        return;

    if (!cam_obj) {
        m_print.error("rotate_camera(): you must specify the camera object");

        return;
    }

    if (!angle_phi && !angle_theta) {
        m_print.error("rotate_camera(): you must specify the rotation angle");

        return;
    }

    time = time || DEFAULT_CAM_ROTATE_TIME;

    _is_camera_rotating = true;

    function fin_cb() {
        if (_is_camera_rotating) {
            _is_camera_rotating == false;

            if (cb)
                cb();
        }
    }

    var delta_phi   = 0;
    var cur_animator_phi = m_time.animate(0, angle_phi, time, function(e) {
        m_cam.rotate_camera(cam_obj, delta_phi - e, 0);
        delta_phi = e;

        if (e >= angle_phi) {
            m_time.clear_animation(cur_animator_phi);
            fin_cb();
        }
    });

    var delta_theta = 0;
    var cur_animator_theta = m_time.animate(0, angle_theta, time, function(e) {
        m_cam.rotate_camera(cam_obj, 0, delta_theta - e);
        delta_theta = e;

        if (e >= angle_theta) {
            m_time.clear_animation(cur_animator_theta);
            fin_cb();
        }
    });
}

if (m_main.detect_mobile()){
        _move_delta[0] -= (coords[0] - move_x) * drag_mult;
        _move_delta[1] -= (coords[1] - move_y) * drag_mult;
    } else {
        _move_delta[0] += (coords[0] - move_x) * drag_mult;
        _move_delta[1] += (coords[1] - move_y) * drag_mult;
    }

if ( ENABLE_3D )
{
	m_hmd_conf.update ();

	if ( DEBUG )
		m_hmd.enable_hmd(m_hmd.HMD_NOME_MOUSE_ALL_AXES );
	else
		m_hmd.enable_hmd(m_hmd.HMD_ALL_AXES_MOUSE_NONE);
}