AI

// https://www.youtube.com/watch?v=UTLApMrHr5I
// https://www.youtube.com/watch?v=188SMf9f6UY <- this one is better?

using UnityEngine;
using System.Collections;

public class EasyAI : MonoBehaviour {
	
    public float fpsTargetDistance;//how far away the player is from the enemy
    public float enemyMovementSpeed;//how fast the enemy moves
    public float turning;
    public Transform fpsTarget;
    Rigidbody theRigidbody;
    Renderer myRender;
	
    void Start() {
        myRender = GetComponent<Renderer>();
        theRigidbody = GetComponent<Rigidbody>();
        isFiring = false;
    }
	
    void FixedUpdate() {
        fpsTargetDistance = Vector3.Distance(fpsTarget.position, transform.position);//current this is only used to show distance between player and enemy
        //myRender.material.color = Color.red;
        lookAtPlayer();
        chasePlayer();
        shootPlayer();
    }

    void lookAtPlayer() {
        Quaternion rotation = Quaternion.LookRotation(fpsTarget.position - transform.position);
        
        //this is the actual rotation part
        transform.rotation = Quaternion.Slerp(transform.rotation, rotation, turning * Time.deltaTime);
    }
    
    void chasePlayer() {
        theRigidbody.velocity = transform.forward * enemyMovementSpeed * Time.deltaTime; 
    }

    public float fireRate;
    public float cooldown;

    //checking for whether or not to fire
    public bool isFiring = false;

    //firing points transform for launching projectiles
    public Transform leftFirePoint;
    public Transform rightFirePoint;

    //our projectile object
    public GameObject laserPrefab;

    public AudioSource fireFXSound;

    void shootPlayer() {
        RaycastHit rayHit;
        if (Physics.Raycast(transform.position, transform.forward, out rayHit)) { //out is a keyword, you can add another var for the distance of the ray
            isFiring = true;
            /*
            I'm clueless D:
            */
            }
            Debug.Log("Shooting at player!" + rayHit.collider.gameObject.tag);
        }
        GameObject.Instantiate(laserPrefab, leftFirePoint.position, leftFirePoint.rotation);
        GameObject.Instantiate(laserPrefab, rightFirePoint.position, rightFirePoint.rotation);

        cooldown = fireRate;
    }

}