View difference between Paste ID: neY4VgJj and y6RMRHLM

 using System.Collections;
 using System.Collections.Generic;
 using Unity.VisualScripting;
 using UnityEngine;
 
 public class ShieldScript : MonoBehaviour
 {
 
     int life = 3; //number of hits
     Renderer rend; //connection to the Renderer component
 
     void Start()
     {
         rend = GetComponent<Renderer>();
     }
 
     void OnTriggerEnter2D(Collider2D other)
     {
         //If the shield touches the alien itself, it will be completely destroyed
         if (other.gameObject.tag == "Alien")
         {
             Destroy(gameObject);
         }
 
         //If it touches the projectile, the projectile will be destroyed and it will also reduce the durability of the shield
         if (other.gameObject.tag == "AlienBullet")
         {
             Destroy(other.gameObject);
             ChangeLife();
         }
 
     }
 
 
     void ChangeLife()
     {
         //We define the next states that the colors will have
         Color[] col = { Color.red, Color.green, Color.blue };
 
         //lower the number of hits
         life--;
 
         //If we go below 0
         if (life < 0)
         {
             //the shield is destroyed
             Destroy(gameObject);
             //end the method
             return;
         }
         //change the state
         rend.material.color = col[life];
 
     }
 }