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Rainbow๐ŸŒˆCoder

My dev Note๐Ÿ“’

Unity/Unity(C#์ค‘๊ธ‰)

์ด๋ฒคํŠธ

2021. 12. 26. 12:11
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์ด๋ฒคํŠธ๋Š” ํ”Œ๋ ˆ์ด์–ด๊ฐ€ '์˜ˆ์ƒ๋œ ์•Œ๋ฆผ'์œผ๋กœ ์ธ์ง€ํ•œ๋‹ค.

์ฑ…์ƒ์— ํŠน์ •์ธ ์ „์šฉ ์งํ†ต์ „ํ™”๊ฐ€ ๋†“์—ฌ์žˆ์„ ๋•Œ

๋ฒจ์ด ์šธ๋ฆฌ๋ฉด ๋ฐ›๊ธฐ๋„ ์ „์— ํŠน์ •์ธ์ด ์ „ํ™”ํ–ˆ๋‹ค๋Š” ๊ฑธ ์•Œ ์ˆ˜ ์žˆ๊ณ 

ํŠน์ •์ธ์—๊ฒŒ ๋ฌด์–ธ๊ฐ€๊ฐ€ ๋ฐœ์ƒํ–ˆ์Œ์„ ์ง์ž‘ํ•  ์ˆ˜ ์žˆ๋‹ค.

 

์ด๋ฒคํŠธ๋„ ์ด์™€ ์œ ์‚ฌํ•œ ์›๋ฆฌ๋กœ ๋™์ž‘ํ•œ๋‹ค.

์ด๋ฒคํŠธ ๋ฐœ์ƒ์— ๋Œ€ํ•ด ์ค€๋น„๋ฅผ ๋Š˜ ํ•˜๊ณ  ์žˆ๊ณ  ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ๊ทธ์— ๋”ฐ๋ผ ์˜ˆ์ •๋œ ๋™์ž‘์„ ์ˆ˜ํ–‰ํ•œ๋‹ค.

๋˜ํ•œ ์ด๋ฒคํŠธ์™€ ํ•จ๊ป˜ ๊ด€๋ จ ์ •๋ณด๋ฅผ ์ „๋‹ฌํ•ด ์–ด๋–ค ์ƒํ™ฉ์ด ๋ฐœ์ƒํ–ˆ๋Š”์ง€๋ฅผ ์•Œ๋ ค์ค„ ์ˆ˜๋„ ์žˆ๋‹ค.

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

public class Eventsc : MonoBehaviour
{
    //์ด๋ฒคํŠธ๋Š” ์œ„์ž„์„ ์‚ฌ์šฉํ•ด ํ†ต์‹ ์˜ ํ˜•ํƒœ์™€ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ์ „๋‹ฌํ•  ์ •๋ณด์˜ ์ข…๋ฅ˜๋ฅผ ์ •์˜ํ•œ๋‹ค
    //์œ„์ž„ ๋ฉ”์†Œ๋“œ ์ •์˜
    public delegate void ClickAction();
    //์œ„์ž„ ๋ฉ”์†Œ๋“œ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋ฅผ ์‚ฌ์šฉํ•œ ์ด๋ฒคํŠธ ํ›…(hook)
    public static event ClickAction OnClicked;
    //์ด๋ฒคํŠธ๋ฅผ ๊ธฐ๋‹ค๋ฆฌ๋Š” ๋‹ค๋ฅธ ์ฝ”๋“œ์— ์ด๋ฒคํŠธ๋ฅผ ์ „๋‹ฌํ•˜๊ณ  ์‹ถ์œผ๋ฉด ์œ„์ž„์„ ์‹œ๊ทธ๋‹ˆ์ฒ˜๋กœ ์‚ฌ์šฉํ•ด ์ด๋ฒคํŠธ๋ฅผ ๋ฉ”์†Œ๋“œ์ฒ˜๋Ÿผ ํ˜ธ์ถœํ•˜๋ฉด ๋œ๋‹ค
    //์ด๋ฒคํŠธ ์ˆ˜์‹ ์„ ๊ธฐ๋‹ค๋ฆฌ๋Š” ๋Œ€์ƒ์ด ์—†๋Š” ์ƒํ™ฉ์— ๋Œ€๋น„ํ•ด ์œ„์ž„์„ ํ˜ธ์ถœํ•˜๊ธฐ ์ „์— null์ธ์ง€ ํ™•์ธํ•˜๋Š” ๊ณผ์ •์ด ํ•„์š”ํ•˜๋‹ค

    private void Start()
    {
        //ํ•จ์ˆ˜ OnClicked์— ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ–ˆ์„ ๋•Œ ์•Œ๋ฆผ์„ ๋ฐ›์„ ํ•จ์ˆ˜๋ฅผ ์ง€์ •ํ•˜๊ณ  ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ์‹คํ–‰ํ•œ๋‹ค.
        OnClicked += Events_OnClicked;
    }
    private void Update()
    {
        if(Input.GetKeyDown(KeyCode.Space))
        {
            //์ˆ˜์‹  ๋Œ€์ƒ์ด ์žˆ๋‹ค๋ฉด ์ด๋ฒคํŠธ ์œ„์ž„์„ ๋ฐœ์ƒ์‹œํ‚จ๋‹ค.
            if(OnClicked != null)
            {
                OnClicked();
            }
        }
        if (Input.GetKeyDown(KeyCode.W))
        {
            //์ˆ˜์‹  ๋Œ€์ƒ์ด ์žˆ๋‹ค๋ฉด ์ด๋ฒคํŠธ ์œ„์ž„์„ ๋ฐœ์ƒ์‹œํ‚จ๋‹ค.
            if (OnClicked != null)
            {
                //์ด๋ฒคํŠธ ์ˆ˜์‹ ์„ ๋ฐ›์ง€ ์•Š๊ฒŒ ํ•œ๋‹ค
                //์ด๋ฒคํŠธ ์ˆ˜์‹ ์ด ๋” ์ด์ƒ ํ•„์š”์น˜ ์•Š์œผ๋ฉด ์ˆ˜์‹  ๋Œ€์ƒ์—์„œ ์ œ๊ฑฐํ•ด ์ •๋ฆฌํ•ด์ฃผ๋ฉด ์ข‹๋‹ค.
                OnClicked -= Events_OnClicked;
            }
        }
    }
    //์ˆ˜์‹ ๋Œ€์ƒ ๋ฉ”์†Œ๋“œ
    void Events_OnClicked()
    {
        Debug.Log("ํด๋ฆญํ–ˆ์Šต๋‹ˆ๋‹ค");
    }
    private void OnDestroy()
    { 
        //์ด๋ฒคํŠธ ์ˆ˜์‹ ์„ ๋ฐ›์ง€ ์•Š๊ฒŒ ํ•œ๋‹ค
        OnClicked -= Events_OnClicked;
    }
}

์ด์ฒ˜๋Ÿผ ์ด๋ฒคํŠธ๋ฅผ ํ™œ์šฉํ•˜๋ฉด ์ ์ด ์ฃฝ์„ ๋•Œ๋งˆ๋‹ค ์ด๋ฒคํŠธ๋ฅผ ๋ฐœ์ƒ์‹œ์ผœ์„œ ์ ์ˆ˜๊ฐ€ ์˜ฌ๋ผ๊ฐ€๊ฒŒ ํ•˜๋Š” ๋“ฑ ๋‹ค์–‘ํ•˜๊ฒŒ ์‘์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

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