Very dumb AI

EnemyController.cs

using UnityEngine;
using System.Collections;
using Pathfinding;

// WARNING: BYDLOCODE!!!!!
public class EnemyController : MonoBehaviour
{
	public Path path;
	public float moveSpeed;
	public float nextWaypointDistance = 0.5f;

	Seeker seeker;
	GameObject player;
	Animator anim;
	int currentWaypoint = 0;
	Vector2 desiredVelocity = Vector2.zero;

	void Start()
	{
		seeker = GetComponent<Seeker>();
		player = GameObject.FindGameObjectWithTag("Player");
		anim = GetComponent<Animator>();

		RestartPath();
	}

	void FixedUpdate()
	{
		if (path == null || currentWaypoint >= path.vectorPath.Count)
		{
			//rigidbody2D.velocity = Vector2.zero;
			return;
		}

		rigidbody2D.velocity = desiredVelocity;
		anim.SetFloat("Speed", rigidbody2D.velocity.magnitude);

		if (Vector3.Distance(transform.position, path.vectorPath[currentWaypoint]) < nextWaypointDistance) 
		{
			currentWaypoint++;
			return;
		}
	}

	void RestartPath()
	{
		seeker.StartPath(transform.position, player.transform.position, OnPathComplete);
	}

	void UpdateVelocity()
	{
		if (currentWaypoint > path.vectorPath.Count - 1)
		{
			desiredVelocity = Vector2.zero;
			return;
		}

		Vector2 vel = (path.vectorPath[currentWaypoint + 1] - transform.position).normalized;
		vel *= moveSpeed * Time.deltaTime;
		desiredVelocity = vel;

		Vector3 scale = transform.localScale;
		scale.x = Mathf.Sign(desiredVelocity.x);
		transform.localScale = scale;
	}

	void OnPathComplete(Path p)
	{
		currentWaypoint = 0;

		if (!p.error)
			path = p;

		UpdateVelocity();
		RestartPath();
	}
}