xirang/Assets/scripts/Bullet.cs

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

public class Bullet : MonoBehaviour
{
    public int harm;
    private void Start()
    {
        Destroy(this.gameObject,1f);
    }
    private void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.CompareTag("enemy"))
        {
            Enemy enemy = collision.gameObject.GetComponent<Enemy>();
            enemy.EnemyHpDown(harm);
            Destroy(this.gameObject);
        }
        if (collision.gameObject.CompareTag("ore"))
        {
            Ore ore = collision.gameObject.GetComponent<Ore>();
            ore.OreHpDown(harm);
            Destroy(this.gameObject);
        }
        
            
    }
  
}