Scriptum/Assets/breakable.cs

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


public class breakable : MonoBehaviour
{
    public string name;
    public string name2;
    public Sprite[] sprites;
    private int oldSprite;
    private int newSprite;
    private List<int> availableSprites = new List<int>();
    public ParticleSystem collisionParticleSystem;
    public bool timeToBreak = false;
    private int isBroken = 0;



    void Start()
    {
        
        for(int i=0; i<3; i++)
        {
            availableSprites.Add(i);
        }

        int continued = PlayerPrefs.GetInt("continued");
        if (continued == 1)
        {
            isBroken = PlayerPrefs.GetInt(name2);
        }
        else
        {
            isBroken = PlayerPrefs.GetInt(name);
        }
        if(isBroken == 0)
        {
            oldSprite = 0;
            GetComponent<SpriteRenderer>().sprite = sprites[oldSprite];
        }
        else if (isBroken == 1)
        {
            oldSprite = 1;
            GetComponent<SpriteRenderer>().sprite = sprites[oldSprite];
        }
        else if (isBroken == 2)
        {
            oldSprite = 2;
            GetComponent<SpriteRenderer>().sprite = sprites[oldSprite];
        }
        else if(isBroken == 3)
        {
            gameObject.SetActive(false);
        }
    }

    IEnumerator Timer()
    {
        if (timeToBreak == true){
            isBroken = 3;
            PlayerPrefs.SetInt(name, isBroken);
            gameObject.SetActive(false);
        }
        yield return new WaitForSeconds(1);
        var em = collisionParticleSystem.emission;
        em.enabled = false;
    }

    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.tag == "PickaxeHitbox")
        {
            var em = collisionParticleSystem.emission;
            em.enabled = true;
            collisionParticleSystem.Play();
            if (oldSprite == 0)
            {
                newSprite = availableSprites[1];
                oldSprite = 1;
                GetComponent<SpriteRenderer>().sprite = sprites[newSprite];
                isBroken = 1;
            }
            else if (oldSprite == 1)
            {
                newSprite = availableSprites[2];
                oldSprite = 2;
                GetComponent<SpriteRenderer>().sprite = sprites[newSprite];
                isBroken = 2;
            }
            else if (oldSprite == 2)
            {
                timeToBreak = true;
                StartCoroutine(Timer());
            }
            GetComponent<SpriteRenderer>().sprite = sprites[newSprite];
            StartCoroutine(Timer());
        }

    }


    public void SaveCheckpoint()
    {
        PlayerPrefs.SetInt(name2, isBroken);
    }
}