void Update()
    {
        if (playerController == null && cave2manager.GetPlayerController(0) != null)
        {
            playerController = cave2manager.GetPlayerController(0).GetComponent <OmicronPlayerController>();
        }
        if ((Input.GetKey(KeyCode.LeftAlt) || Input.GetKey(KeyCode.RightAlt)) && Input.GetKeyDown(KeyCode.F11))
        {
            showGUI = !showGUI;
        }

        bool isMaster = CAVE2Manager.IsMaster();

        if (showFPS && ((showOnlyOnMaster && isMaster) || !showOnlyOnMaster))
        {
            timeleft -= Time.deltaTime;
            accum    += Time.timeScale / Time.deltaTime;
            ++frames;

            // Interval ended - update GUI text and start new interval
            if (timeleft <= 0.0)
            {
                // display two fractional digits (f2 format)
                float  fps    = accum / frames;
                string format = System.String.Format("{0:F2} FPS", fps);

                if (GetComponent <GUIText>())
                {
                    GetComponent <GUIText>().text = format;

                    if (fps < 30)
                    {
                        GetComponent <GUIText>().material.color = Color.yellow;
                    }
                    else
                    if (fps < 10)
                    {
                        GetComponent <GUIText>().material.color = Color.red;
                    }
                    else
                    {
                        GetComponent <GUIText>().material.color = Color.green;
                    }
                }
                if (GetComponent <TextMesh>())
                {
                    GetComponent <TextMesh>().text = format;

                    if (fps < 30)
                    {
                        GetComponent <TextMesh>().color = Color.yellow;
                    }
                    else
                    if (fps < 10)
                    {
                        GetComponent <TextMesh>().color = Color.red;
                    }
                    else
                    {
                        GetComponent <TextMesh>().color = Color.green;
                    }
                }

                //	DebugConsole.Log(format,level);
                timeleft = FPS_updateInterval;
                accum    = 0.0F;
                frames   = 0;
            }
        }
        else
        {
            if (GetComponent <GUIText>())
            {
                GetComponent <GUIText>().text = "";
            }
            if (GetComponent <TextMesh>())
            {
                GetComponent <TextMesh>().text = "";
            }
        }
    }