public void GameOver(bool win)
    {gameOver = true;
    restartText.text = "Press 'R' to Restart";
    if (win == true) {gameOverText.text = "You Win!";}
    if (win == false) {gameOverText.text = "You Lose!";}

    player.GetComponent<Rigidbody>().useGravity = false;
    player.GetComponent<Rigidbody>().velocity = new Vector3 (0, 0, 0);

    if (player.GetComponent<Rigidbody>() == null)
        {Debug.Log ("Could not find Player Rigidbody for GameOver method");}
    }

if (gameOver)
    {if (GameOver (win: true))
        {gameOverText.text = "You Win!";}
    if (GameOver (win: false))
        {gameOverText.text = "You Lose!"}

public void GameOver(bool win)
    {gameOver = true;}

public class GameController : MonoBehaviour

{public GUIText scoreText;
public GUIText gameOverText;
public GUIText restartText;
public GameObject player;

private bool gameOver;
private int score;

void Start ()
    {gameOver = false;
    gameOverText.text = "";
    restartText.text = "";

    score = 0;
    UpdateScore ();}

void Update ()
    {if (gameOver)
        {if (Input.GetKeyDown (KeyCode.R))
            {Application.LoadLevel (Application.loadedLevel);}
        }
    }

public void AddScore( int pointVal)
    {score += pointVal;
    UpdateScore ();}

void UpdateScore ()
    {scoreText.text = "Score: " + score;}

public void GameOver(bool win)
    {gameOver = true;
    restartText.text = "Press 'R' to Restart";
    if (win == true) {gameOverText.text = "You Win!";}
    if (win == false) {gameOverText.text = "You Lose!";}

    player.GetComponent<Rigidbody>().useGravity = false;
    player.GetComponent<Rigidbody>().velocity = new Vector3 (0, 0, 0);

    if (player.GetComponent<Rigidbody>() == null)
        {Debug.Log ("Could not find Player Rigidbody for GameOver method");}
    }
}

public class PlayerController : MonoBehaviour
{public float speed;
private GameController gameController;

void Start()
    {GameObject gameContObj = GameObject.FindWithTag ("GameController");
    if (gameContObj != null)
        {gameController = gameContObj.GetComponent <GameController>();}
    if (gameContObj == null)
        {Debug.Log ("Cannot find 'GameController' script");}
    }

void Update ()
    {float moveHorizontal = Input.GetAxis ("Horizontal");
    float moveVertical = Input.GetAxis ("Vertical");
    Vector3 playerMovement = new Vector3 (moveHorizontal, moveVertical, 0.0f);
    transform.Translate (playerMovement * speed * Time.deltaTime);}

void OnTriggerEnter(Collider other)
    {if (other.tag == "Obstacle")
        {gameController.GameOver (win: false);}
    if (other.tag == "End Level")
        {gameController.GameOver (win: true);}
    if (other.tag == "Pickup") {return;}
    }
}

public class DestroybyContact : MonoBehaviour
{public int pointValue;
private GameController gameController;

void Start()
    {GameObject gameContObj = GameObject.FindWithTag ("GameController");
    if (gameContObj != null)
        {gameController = gameContObj.GetComponent <GameController>();}
    if (gameContObj == null)
        {Debug.Log ("Cannot find 'GameController' script");}
    }

void OnTriggerEnter (Collider other)
    {if (other.tag == "MainCamera")
        {Destroy (gameObject);
        gameController.AddScore (pointValue);}
    }
}