Enemy AI Shooting

AI_Shooting_Manager.cs

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

public class AI_Shooting_Manager : MonoBehaviour
{
    public Transform target;
    public Transform bullet_projectile;

    public float maxLookDistance = 30;
    public float maxAttackDistance = 10;
    public float minDistanceFromIsland = 2;

    public float rotateDamping = 2;
    public float shootInterval = 0.5f;
    private float shootTime = 0;

    void Update()
    {
        float distance = Vector3.Distance(target.position, transform.position);

        if (distance <= maxLookDistance)
        {
            LookAtDistance();
        }

        if (distance <= maxAttackDistance && (Time.time - shootTime) > shootInterval)
        {
            Shoot();
        }
    }

    void LookAtDistance()
    {
        var dir = target.position - transform.position;
        dir.y = 0;
        var rotation = Quaternion.LookRotation(dir);
        transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * rotateDamping);
    }

    void Shoot()
    {
        shootTime = Time.time;
        Instantiate(bullet_projectile, transform.position + (target.position - transform.position).normalized, Quaternion.LookRotation(target.position - transform.position));
    }
}