public void OnDrag(PointerEventData e)
{
if (!_dragging)
{
_direction = (Mathf.Abs(e.delta.x) >= Mathf.Abs(e.delta.y))? new Vector2(1, 0) : new Vector2(0, 1);
_dragging = true;
}
if (_direction.x == 1)
{
_controller.DragScreen(e.delta * _direction);
}
}