// Use this for initialization
 void Start()
 {
     time   = Time.time - spawnTime;
     u_time = Time.time;
     a_time = Time.time;
     //queue = new Queue();
     serialPort = serial.GetComponent <SerialPortMessage> ();
     for (int i = 0; i < blocks.Length; i++)
     {
         blocks[i].SetActive(false);
     }
 }
 public void SetSerialPort(SerialPortMessage serialPort)
 {
     this.serialPort = serialPort;
 }