private bool Move(SlotComponent slot, int step) { if (current != slot) { if (slot.IsEmpty) { slot.ReserveHold(this); SetSlot(slot); } else if (slot.IsMergable(this)) { slot.ReserveMerger(this); SetSlot(slot); } else { Debug.LogError("maybe wrong box moving logic (id:" + id + ")"); return(false); } float t = Mathf.Clamp(Mathf.Abs(step), 0, 3) * 0.05f; tween = true; LeanTween.move(gameObject, slot.transform.position, t).setEase(LeanTweenType.linear).setOnComplete(HandleMove); return(true); } return(false); }