public void SendAction(string message, Transform clientTransform)
    {
        if (clientId != null)
        {
            PlayerPacketData data = new PlayerPacketData();
            data.id      = clientId;
            data.message = message;
            string messageData = JsonUtility.ToJson(data);

            Byte[] sendBytes = Encoding.ASCII.GetBytes(messageData);
            udp.Send(sendBytes, sendBytes.Length);
        }
    }
 void HeartBeat()
 {
     if (clientId != null && playerUnits[clientId].IsAlive)
     {
         PlayerPacketData data = new PlayerPacketData();
         data.id       = clientId;
         data.pos      = playerUnits[clientId].transform.position;
         data.rotation = playerUnits[clientId].transform.rotation;
         data.health   = playerUnits[clientId].currentHealth;
         string messageData = JsonUtility.ToJson(data);
         Byte[] sendBytes   = Encoding.ASCII.GetBytes(messageData);
         udp.Send(sendBytes, sendBytes.Length);
     }
 }