/// <summary>
/// Use this for initialization
/// </summary>
void Start()
{
// initialize score text
scoreText = GameObject.FindGameObjectWithTag("ScoreText").GetComponent <Text>();
scoreText.text = ScorePrefix + score;
//Fish game obj
// GameObject.FindGameObjectWithTag("Fish");
Fish fish = GameObject.FindGameObjectWithTag("Fish").GetComponent <Fish>();
fish.AddPointAddedListener(onPointAdded);
}