Score Controller

using UnityEngine;
using System.Collections;

public class ScoreController : MonoBehaviour
{
    private int score

    void Awake ()
    {
        score = 0;
    }

    void  OnGUI ()
        GUI.Label(10, 10, 100, 20), "Score: " + score);
    }

    public void AddScore (newScoreValue)
    {
        score += newScoreValue;
    }
}