l16 - AlienBulletScript

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

public class AlienBulletScript : MonoBehaviour
{
    //bullet speed
    public float speed = 6f;

    void Start()
    {
        //Destroying the bullet after 3 seconds
        Destroy(gameObject, 3);
    }

    void Update()
    {
        Move();
    }

    void Move()
    {
        //Moving down (along Y axis)
        transform.position += Vector3.down * speed * Time.deltaTime;
    }

}