* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

같은 카드 누르면 없어지고, 다른 카드 누르면 뒤집히고 없어져야되는데,

이미지가 밑에 그림처럼 없어지지 않습니다 ㅠ

gameManager.cs 랑 card.cs 차례로 첨부했습니다.

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


public class gameManager : MonoBehaviour
{
    public Text timeTxt;
    public GameObject card;
    float time;
    public static gameManager I;
    public GameObject firstCard;
    public GameObject secondCard;


    void Awake()
    {
        I = this;
    }




    // Start is called before the first frame update
    void Start()
    {
        int[] rtans = {0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7};
        rtans = rtans.OrderBy(item => Random.Range(-1.0f, 1.0f)).ToArray();


        for(int i=0;i<16;i++){


           
            GameObject newCard = Instantiate(card);
            newCard.transform.parent = GameObject.Find("cards").transform;


            float x = (i%4)*1.4f-2.1f;
            float y = (i/4)*1.4f-3.0f;
            newCard.transform.position = new Vector3(x,y,0);


            string rtanName = "rtan" + rtans[i].ToString();
            newCard.transform.Find("front").GetComponent<SpriteRenderer>().sprite = Resources.Load<Sprite>(rtanName);
        }
    }


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


    public void isMatched()
    {
        string firstCardImage = firstCard.transform.Find("front").GetComponent<SpriteRenderer>().sprite.name;
        string secondCardImage = secondCard.transform.Find("front").GetComponent<SpriteRenderer>().sprite.name;
        if (firstCardImage == secondCardImage)
        {
            firstCard.GetComponent<card>().destroyCard();
            secondCard.GetComponent<card>().destroyCard();
        
        }
        else
        {
            firstCard.GetComponent<card>().closeCard();
            secondCard.GetComponent<card>().closeCard();
        }
            firstCard = null;
            secondCard = null;



    }



}

using System.Collections;

using System.Collections.Generic;

using UnityEngine;




public class card : MonoBehaviour

{

    public Animator anim;

    // Start is called before the first frame update

    void Start()

    {

        

    }




    // Update is called once per frame

    void Update()

    {

        

    }




    public void openCard()

    {

        anim.SetBool("isOpen", true);

        // Animator isOpen = True

        transform.Find("front").gameObject.SetActive(true);

        // front SetActive = True

        transform.Find("back").gameObject.SetActive(false);

        // back SetActive = False




        if(gameManager.I.firstCard == null)

        {

            gameManager.I.firstCard = gameObject;

        }

        else

        {

            gameManager.I.secondCard = gameObject;

            gameManager.I.isMatched();

        }

    }




    public void destroyCard()

    {

        Invoke("destroyCardInvoke", 1.0f);

    }

    void destroyCardInvoke()

    {

        Destroy(gameObject);

    }

    public void closeCard()

    {

        Invoke("closeCardInvoke", 1.0f);

    }

    void closeCardInvoke()

    {

        anim.SetBool("isOpen", false);

        transform.Find("back").gameObject.SetActive(true);

    }




}