using UnityEngine;
public class bullettravel : MonoBehaviour
{
    public float speed;
    private Rigidbody2D rb;
    private Transform player;

    void Start()
    {
        rb = GetComponent<Rigidbody2D>();
        rb.linearVelocity = transform.up * speed;
    }

    void Update()
    {
        if (Mathf.Abs(transform.position.x - player.position.x) > 10)
        {
            Destroy(gameObject);
        }
    }
}