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.y == 1) { _controller.DragTier(e.delta * _direction); } }