private GUIStyle guiStyle = new GUIStyle();     //create a new variable
    void OnGUI()
    {
        guiStyle.fontSize = 48;         //change the font size
        GUI.Label(new Rect(10, 10, 100, 200), "Episode: " + episode, guiStyle);
        if (GUI.Button(new Rect(10, 100, 75, 30), "Save"))
        {
            Debug.Log("SAVED");
            this.QtargetNetwork.write("QTargetNetwork");
            this.Qnetwork.write("QNetwork");
        }

        if (GUI.Button(new Rect(90, 100, 75, 30), "SaveGraph"))
        {
            Memory.saveGraphs(EpisodeController.returnValues, EpisodeController.returnCounts, "graph.txt");
            Debug.Log("Graph SAVED");
        }

        if (GUI.Button(new Rect(10, 140, 75, 30), "Load"))
        {
            Debug.Log("LOADED");
            this.QtargetNetwork.read("QTargetNetwork");
            this.Qnetwork.read("QNetwork");
            EpisodeController.epsilon     = 0.1f;
            EpisodeController.epsilon_min = 0.1f;
            EpisodeController.training    = false;
            RandomInit = false;
            curriculum = false;
        }

        if (GUI.Button(new Rect(10, 180, 75, 30), "Obstacle"))
        {
            Debug.Log("OBSTACLE");
            int index = rng.Next(0, numobstacles);
            obstacles[index] = (GameObject)Instantiate(Obstacle, OPositions[index], ORotations[index]);
        }

        if (GUI.Button(new Rect(90, 140, 70, 30), "Add Car"))
        {
            if (numinst < numcars)
            {
                int        index        = getIndex(numinst);
                Quaternion cur_rotation = getRotation(index);
                Vector3    cur_position = getPosition(index);
                cars[numinst] = (GameObject)Instantiate(CarFab, cur_position, cur_rotation);
                CarManager m = cars[numinst].GetComponent(typeof(CarManager)) as CarManager;
                if (!multipletrainers && numinst != 0)
                {
                    m.training        = false;
                    m.display_qvalues = false;
                    m.report          = false;
                    m.epsilon         = m.epsilon_min;
                }
                else
                {
                    m.display_qvalues = false;
                    m.SetMLP(this.Qnetwork, this.QtargetNetwork);
                }
                cars[numinst].name = "CloneCar" + numinst;
                numinst++;
            }
        }


        if (GUI.Button(new Rect(90, 180, 70, 30), "Restart"))
        {
            Debug.Log("RESTART");
            for (int i = 0; i < numinst; i++)
            {
                CarManager m = cars[i].GetComponent(typeof(CarManager)) as CarManager;
                m.Die();
                if (!m.isEnabled())
                {
                    int        index        = getIndex(i);
                    Quaternion cur_rotation = getRotation(index);
                    Vector3    cur_position = getPosition(index);
                    m.Restart(cur_position, cur_rotation);
                }
            }

            UserCarControl usercar = GameObject.Find("UserCar").GetComponent(typeof(UserCarControl)) as UserCarControl;
            usercar.Restart();
        }

        if (GUI.Button(new Rect(170, 100, 70, 30), "Test Mode"))
        {
            Debug.Log("Test mode");
            for (int i = 0; i < numinst; i++)
            {
                CarManager m = cars[i].GetComponent(typeof(CarManager)) as CarManager;
                m.training = !m.training;
                Debug.Log("Test mode: " + !m.training);
            }
        }

        GUI.Label(new Rect(10, 330, 200, 30), "Q-Values");
    }