유니티 C# 이벤트 델리게이트 delegate Event 간단 사용법

• 델리게이트 선언

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

public class Example : MonoBehaviour
{
    public delegate void GameEvent(); //이벤트 선언
    public static event GameEvent eGameStart, eGamePause, eGameEnd;

    public delegate void ScoreEvent(int number); //이벤트 선언
    public static event ScoreEvent ePlusScore, eMinusScore;


    private void Start()
    {
        eGameStart();
        eGamePause();
        eGameEnd();
        
        ePlusScore(10);
        eMinusScore(10);
    }
}

 

• 델리게이트 활용

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

public class UseExample : MonoBehaviour
{
    private void OnEnable() //이벤트 등록
    {
        GameEvent.eGameStart += this.GameStart;
        GameEvent.eGamePause += this.GamePause;
        GameEvent.eGameEnd += this.GameEnd;
        
        ScoreEvent.ePlusScore += PlusScore;
        ScoreEvent.eMinusScore += MinusScore;
        
    }

    private void OnDisable() //이벤트 해제
    {
        GameEvent.eGameStart -= this.GameStart;
        GameEvent.eGamePause -= this.GamePause;
        GameEvent.eGameEnd -= this.GameEnd;
        
        ScoreEvent.ePlusScore -= PlusScore;
        ScoreEvent.eMinusScore -= MinusScore;
    }

    public void GameStart()
    {

    }

    public void GamePause()
    {

    }

    public void GameEnd()
    {

    }
    
    public void PlusScore(int number)
    {
    	Debug.Log(number + "만큼 증가");
    }
    
    public void MinusScore(int number)
    {
    	Debug.Log(number + "만큼 감소");
    }
}