l16 AlienLeaderScript

using UnityEngine;
using static UnityEditor.PlayerSettings;

public class AlienLeaderScript : MonoBehaviour
{
    public GameObject alienBullet; //bullet prefab field
    public float speed = 10.0f; //movement speed
    public float borderValue = 8f; //border value on the right and left side
    //the middle of the screen is located at (0,0,0) so we will have the same value on both sides
    Vector3 target; //point to which the commander will move
    Renderer rend; //renderer component

    private void Start()
    {
        //Describing
        target = new Vector3(borderValue, transform.position.y,transform.position.z);
        rend = GetComponent<Renderer>();
        rend.enabled = false; //switching off the visiblity
    }

    //Leader starts
    public void StartLeader()
    {
        Invoke("ToggleVisible", 10); //Call to enable visibility after 10 seconds
        InvokeRepeating("Shoot", 11, 4); //Call to start firing after 11 seconds and then fire every 4 seconds
    }


    //Disabling leader actions
    public void StopLeader()
    {
        CancelInvoke("Shoot"); //Disable shooting
        Show(); //turn off visibility
    }


    //shooting
    void Shoot()
    {
        //calculation of position, in which a missile is about to appear
        Vector3 pos = transform.position - new Vector3(0, 1, 0);
        //create a new projectile
        Instantiate(alienBullet, pos, Quaternion.identity);
    }

    //toggling the visibility
    void Show()
    {
        //if the renderer is on, switch it off
        if(rend.enabled == true) rend.enabled = false;
        //if not, switch it on
        else rend.enabled = true;

    }

    //Leader movement
    void Move()
    {
        //determine the step by which the character should move
        var step = speed * Time.deltaTime;
        //move towards target
        transform.position = Vector3.MoveTowards(transform.position, target, step);
        //If the distance between the character and the target is close to zero
        if (Vector3.Distance(transform.position, target) < 0.001f)
        {
            //calculate the new target that will be on the opposite side
            target = new Vector3(target.x * -1, transform.position.y, transform.position.z);
        }

    }

    void Update()
    {
        Move();
    }
}