ScoreView

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using System.Collections.Generic;

public delegate void DamageRecieveHandler(int value);

public class ScoreView : MonoBehaviour
{
    public DamageRecieveHandler onDamageRecieve;

    private Text m_Score;
    private int m_ScoreCounter;

    private void Awake()
    {
        m_Score = GetComponent<Text> ();
    }

    private void Start()
    {
        TotalScore.RegisterObserver (this);
    }

    private void OnDestroy()
    {
        onDamageRecieve = null;
    }

    private void OnCollisionEnter2D(Collision2D targetHit)
    {
        if (targetHit.gameObject.name == "yoba_pechalnii")
        {
            OnDamageRecieved ();
        }
    }

    private void OnDamageRecieved()
    {
        m_ScoreCounter += 1;
        ShowScore (ScoresToString (m_ScoreCounter));

        if (onDamageRecieve != null)
        {
            onDamageRecieve (m_ScoreCounter);
        }
    }

    private void ShowScore(string value)
    {
        m_Score.text = value;
    }

    private string ScoresToString(int value)
    {
        return string.Format ("Score: {0}", value);
    }

    private TotalScoreView TotalScore { get { return TotalScoreView.Instance; } }
}