* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

캐릭터 카드를 천천히 누르는 경우 모두 눌렀을 때 게임이 잘 종료가 되는데 빠르게 누르는 경우에 종료가 안됩니다..

임의로 종료 시간을 40초로 변경하고 진행 중인데 빠르게 누르면 처리가 누락되는지 제한 시간까지 계속 시간이 흐릅니다..

대략의 시나리오는 어려울 것 없이 마지막 4장이 남은 상황에서 엄청 빨리 눌러 게임을 종료시키면 재현됩니다ㅠ

화면 녹화를 해놨는데 용량이 커서 안올라가네요..

무엇을 놓쳤을까요?

public class GameManager : MonoBehaviour
{
    public static GameManager I;

    public Text timeTxt;
    public GameObject card;
    public GameObject firstCard;
    public GameObject secondCard;
    public GameObject endTxt;

    private float time;

    void Awake()
    {
        I = this;
    }

    // Start is called before the first frame update
    void Start()
    {
        Time.timeScale = 1f;

        int[] shuffledRtanCards = ShuffleRtanCards();

        for (int i = 0; i < 16; i++)
        {
            GenerateRtanCard(i, GenerateRtanCardName(shuffledRtanCards[i]));
        }
    }

    private int[] ShuffleRtanCards()
    {
        return new int[] { 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7 }
           .OrderBy(element => Random.Range(-1.0f, 1.0f))
           .ToArray();
    }

    private string GenerateRtanCardName(int rtanNumber)
    {
        return "rtan" + rtanNumber.ToString();
    }

    private GameObject GenerateRtanCard(int index, string rtanName)
    {
        GameObject newRtanCard = Instantiate(card);
        Transform newRtanTransform = newRtanCard.transform;

        float positionX = (index / 4) * 1.4f - 2.1f;
        float positionY = (index % 4) * 1.4f - 3.0f;
        newRtanTransform.position = new Vector3(positionX, positionY, 0);
        newRtanTransform.Find("Front").GetComponent<SpriteRenderer>().sprite = Resources.Load<Sprite>(rtanName);
        newRtanTransform.parent = GameObject.Find("Cards").transform;

        return newRtanCard;
    }

    // Update is called once per frame
    void Update()
    {
        time += Time.deltaTime;
        timeTxt.text = time.ToString("N2");

        if (time > 40.0f)
        {
            endTxt.SetActive(true);
            Time.timeScale = 0.0f;
        }
    }

    public void IsMatched()
    {
        string firstCardImageName = FindCardImageName(firstCard);
        string secondCardImageName = FindCardImageName(secondCard);

        Card firstCardComponent = firstCard.GetComponent<Card>();
        Card secondCardComponent = secondCard.GetComponent<Card>();

        if (firstCardImageName == secondCardImageName)
        {
            firstCardComponent.DestroyCard();
            secondCardComponent.DestroyCard();

            int cardsLeft = GameObject.Find("Cards").transform.childCount;
            if (cardsLeft == 2)
            {
                Invoke(nameof(GameEnd), 1f);
            }
        }
        else
        {
            firstCardComponent.CloseCard();
            secondCardComponent.CloseCard();
        }

        firstCard = null;
        secondCard = null;
    }

    private string FindCardImageName(GameObject givenCard)
    {
        return givenCard.transform
            .Find("Front")
            .GetComponent<SpriteRenderer>()
            .sprite
            .name;
    }

    private void GameEnd()
    {
        Time.timeScale = 0f;
        endTxt.SetActive(true);
    }
}

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

public class Card : MonoBehaviour
{
    public Animator animator;

    // Start is called before the first frame update
    void Start()
    {
        
    }

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

    public void OpenCard()
    {
        animator.SetBool("isOpen", true);
        transform.Find("Front").gameObject.SetActive(true);
        transform.Find("Back").gameObject.SetActive(false);

        if (GameManager.I.firstCard == null)
        {
            GameManager.I.firstCard = gameObject;
        }
        else
        {
            GameManager.I.secondCard = gameObject;
            GameManager.I.IsMatched();
        }
    }

    public void DestroyCard()
    {
        Invoke(nameof(DestroyCardInvoke), 1.0f);
    }

    void DestroyCardInvoke()
    {
        //Destroy(gameObject);
        DestroyImmediate(gameObject);
    }

    public void CloseCard()
    {
        Invoke(nameof(CloseCardInvoke), 1.0f);
    }

    void CloseCardInvoke()
    {
        animator.SetBool("isOpen", false);
        transform.Find("Back").gameObject.SetActive(true);
        transform.Find("Front").gameObject.SetActive(false);
    }
}

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

public class EndTxt : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {
        
    }

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

    public void ReStart()
    {
        SceneManager.LoadScene("MainScene");
    }
}