経験値関連の処理【UnityでVampire　survivers 風のゲームを作ろう！第11回】

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


public  class ExpManeger : MonoBehaviour
{
    public static ExpManeger instance;
    [SerializeField] GameObject LevelUPpanelUI;
    [SerializeField] Text LevelText;
    [SerializeField] Text ItemName;
    [SerializeField] Transform PlayerTrans;
    [SerializeField]　GameObject Particle;
    [SerializeField] Text LevelUPText;
    public GamemanegerScript GMscript;
    public static int currentExp;
    public static int CurrentLv;
    int NextLevel;
    int NeedEXP;
    int CumEXP;//累計経験値
    AudioSource audioSource;
    public AudioClip getsound;
    public int[,] EXP =//レベルと必要経験値
        { { 1, 0},
        {2, 6},
        {3, 8},
        {4, 10},
        {5, 14},
        {6, 18},
        {7, 20},
        {8, 25},
        {9, 30} ,
        {10, 35},
        {11, 40},
        {12, 50},
        {13, 60},
        {14, 70},
        {14, 80},

    };
    Vector2 PlayerPos;


	public Slider EXPBar;
	public AudioClip sound;
    AudioSource audioSource;
    // Start is called before the first frame update

    void Start() {
        currentExp=0;
        CurrentLv=1;
        NextLevel = CurrentLv + 1;
	  NeedEXP =[CurrentLv,1];
        if (instance == null)
        {
            instance = this;
        }
          if (EXPBar != null)
        {
            EXPBar.maxValue= NeedEXP;
            EXPBar.value = currentExp;
        }
	audioSource = GetComponent<AudioSource>();
    }

    // Update is called once per frame
    void Update()
    {//今の経験値と必要経験値を比べて今の経験値が上だったらレベルをあげる
        if (currentExp >= EXP[CurrentLv, 1]) {
            Debug.Log("レベルアップ"+CurrentLv +"→"+ NextLevel);
            CurrentLv += 1;
            NextLevel += 1;
            LevelText.text = "Level:"+CurrentLv.ToString();
		StartCoroutine(LevelUP());
        }
        
    }

    private IEnumerator LevelUP()
    {
	　audioSource.PlayOneShot(sound);
        PlayerPos = Player.transform.position;
        currentExp = 0;//現在の経験値を0にする
	  EXPBar.maxValue= NeedEXP;
        EXPBar.value = currentExp;
	  var confetti = Instantiate(Particle, PlayerPos, transform.rotation);
        LevelUPText.GetComponent<Text>().enabled = true;
        yield return new WaitForSeconds(2);//コルーチンで2秒遅延
	  LevelUPText.GetComponent<Text>().enabled = false;
    }

	public void ExpBarDraw() {//経験値を拾った時にEXPorbから呼び出される
       
        CumEXP++;
        currentExp++;
        EXPBar.value = currentExp;
    }


    }

ExpManeger instance
if (instance == null)
        {
            instance = this;
        }

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

public class ExpOrbScript : MonoBehaviour
[SerializeField] Text ExpText;
public int EXP;

public AudioClip sound;
AudioSource spwnsound;
AudioSource getsound;

void Start()
    {
        audioSource = GetComponent<AudioSource>();
        audioSource.PlayOneShot(spwnsound);
    }


void Update()
    {
    }

private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.gameObject.tag == "Player")
        {
            audioSource.PlayOneShot(getsound);
		Exp++;
            Exptext.text = Exp.ToString();
		ExpManeger.instance.ExpBarDraw();//経験値を拾った時に経験値バーの描画を更新する
		Destroy(this.gameObject);
        }
    }

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

public class ParticleDestroy : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        StartCoroutine("SelfDestroy");
    }

    // Update is called once per frame
    void Update()
    {

    }

    IEnumerator SelfDestroy()
    {
        yield return new WaitForSeconds(5f);
        Destroy(this.gameObject);
    }
}