void Start()
    {
        // UnityEvent を 初期化
        if (uDPReceivedEvent == null)
        {
            uDPReceivedEvent = new UDPReceivedEvent();
        }

        if (cmds == null)
        {
            cmds = new Dictionary <string, Cmd>();
        }

        Debug.Log("Start PORT:" + LOCA_LPORT);
        udp    = new UdpClient(LOCA_LPORT);
        thread = new Thread(new ThreadStart(threadMethod));
        thread.IsBackground = true;
        thread.Start();
    }