Unity 3D State Manager: Level GUI C# Script

/*
        Unity 3D: Level GUI Script Source for State Manager

    Copyright 2012 FIZIX Digital Agency
    http://www.fizixstudios.com

        For more information see the tutorial at:
    http://www.fizixstudios.com/labs/do/view/id/unity-game-state-manager


    Notes:
        This script is a C# script provides a simple GUI that interfaces with the state manager, you
        will need the statemanager.cs script and should review the gamestart.cs script for information
        on how to implement the state manager.
*/


using UnityEngine;
using System.Collections;

public class levelgui : MonoBehaviour {

        // Initialize level
        void Start ()
        {
                print ("Loaded: " + gamestate.Instance.getLevel());
        }


        // ---------------------------------------------------------------------------------------------------
        // OnGUI()
        // ---------------------------------------------------------------------------------------------------
        // Provides a GUI on level scenes
        // ---------------------------------------------------------------------------------------------------
        void OnGUI()
        {
                // Create buttons to move between level 1 and level 2
                if (GUI.Button (new Rect (30, 30, 150, 30), "Load Level 1"))
                {
                        gamestate.Instance.setLevel("Level 1");
                        Application.LoadLevel("level1");
                }

                if (GUI.Button (new Rect (300, 30, 150, 30), "Load Level 2"))
                {
                        print ("Moving to level 2");
                        gamestate.Instance.setLevel("Level 2");
                        Application.LoadLevel("level2");
                }


                // Output stats
                GUI.Label(new Rect(30, 100, 400, 30), "Name: " + gamestate.Instance.getName());
                GUI.Label(new Rect(30, 130, 400, 30), "HP: " + gamestate.Instance.getHP().ToString());
                GUI.Label(new Rect(30, 160, 400, 30), "MP: " + gamestate.Instance.getMP().ToString());

        }
}