View difference between Paste ID: nu2c5M4S and avzUvK6N

 using UnityEngine;
 using System.Collections;
 
-public class Robot : MonoBehaviour {
+public class Robot : MonoBehaviour
 {
-	public Transform target;
+
 	Transform target;
 
 	public float seeDistance = 20;
 	public float fireRepeatSpeed = 4;
 	public float fireProjectileSpeed = 30;
-	void Start () {
+
 	public Rigidbody projectile;
-		agent = GetComponent<NavMeshAgent>();
+	public LayerMask rayMask;
 
-		avatar = GetComponentInChildren<Animation>();
+
 	Animation avatar;
 	Transform eyes;
 	bool canSeePlayer;
 	Vector3 delta;
-	void Update () {
+
 
-		agent.SetDestination( target.position );
+
 	void Start ()
-		if ( agent.velocity.magnitude > 0.1f )
+	{
 		target = GameObject.FindGameObjectWithTag("Player").transform;
-			avatar.CrossFade("run");
+		agent = GetComponent<NavMeshAgent> ();
 		avatar = GetComponentInChildren<Animation> ();
-			avatar.CrossFade("idle");
+		eyes = transform.Find ("Eyes");
 		StartCoroutine( Tracking() );
 		StartCoroutine( Firing () );
 	}
 
 	IEnumerator Firing()
 	{
 		while (true)
 		{
 			yield return new WaitForSeconds(fireRepeatSpeed);
 
 			if (canSeePlayer) {
 				Fire();
 			}
 		}
 	}
 
 
 
 	void Fire()
 	{
 		Rigidbody newProjectile = (Rigidbody) Instantiate ( projectile, eyes.position, eyes.rotation );
 		newProjectile.AddForce( delta.normalized * fireProjectileSpeed , ForceMode.Impulse );
 	}
 
 
 
 
 	IEnumerator Tracking ()
 	{
 		while (true) {
 			yield return new WaitForSeconds(1);
 
 			delta = target.position - eyes.position;
 
 			Ray ray = new Ray (eyes.position, delta);
 			RaycastHit hit;
 
 			if (Physics.Raycast (ray, out hit, seeDistance, rayMask)) {
 
 				Debug.Log (hit.collider.name);
 
 				if (hit.collider.tag == "Player")
 				{
 					agent.SetDestination (target.position);
 					canSeePlayer = true;
 				} else {
 					canSeePlayer = false;
 				}
 
 			}
 
 		}
 
 	}
 
 
 
 	// Update is called once per frame
 	void Update ()
 	{
 
 		if (agent.velocity.magnitude > 0.1f) {
 			avatar.CrossFade ("run");
 		} else {
 			avatar.CrossFade ("idle");
 		}
 
 
 	}
 }