点击把物体A放置在B下

public bool Put_Down(Transform tran)
    {
        if (is_pick_up)
        {
            is_pick_up = false;
            pick_collider.enabled = true;
            transform.SetParent(tran);
            transform.localPosition = Vector3.zero;
            transform.localEulerAngles = Vector3.zero;
            return true;
        }
        else
        {
            return false;
        }
    }
脚本B
public Mouse_Pickup pickup;
public Transform point;
private void OnMouseUp()
    {
        pickup.Put_Down(point);
    }