EnemyMovement

using UnityEngine;
using System.Collections;
using PlayerInfo;
using Shell;

namespace EnemyInfo
{
    public class EnemyMovement : MonoBehaviour
    {
        public Transform ObjectToFollow;
        public Transform target;
        public Transform PlayerTank;
        public Transform EnemyTank;
        public int AttackRange = 35;
        public bool inRange;
        public int TooClose = 10;

        Transform player;
        NavMeshAgent agent;
        static PlayerHealth pHealth;
        static EnemyHealth eHealth;
        Rigidbody Rigidbody;

        void Awake ()
        {
            player = GameObject.FindWithTag ("Player").transform;
            pHealth = player.GetComponent<PlayerHealth> ();
            eHealth = GetComponent<EnemyHealth> ();
            Rigidbody = GetComponent<Rigidbody> ();
        }

        void Update ()
        {
            NavMeshAgent agent = GetComponent<NavMeshAgent> ();

            transform.LookAt (target);

            if (pHealth.CurrentHealth > 0 && eHealth.CurrentHealth > 0)
            {
                agent.SetDestination (player.position);
            }
            else
            {
                agent.enabled = false;
            }

            if (Vector3.Distance (PlayerTank.position, EnemyTank.position) < AttackRange) {
                if (Vector3.Distance (PlayerTank.position, EnemyTank.position) > TooClose) {
                    inRange = true;
                }
            }
            else if (Vector3.Distance (PlayerTank.position, EnemyTank.position) > AttackRange)
            {
                inRange = false;
            }

        }

        private void OnEnable ()
        {
            // When the tank is turned on, make sure it's not kinematic.
            Rigidbody.isKinematic = false;
        }


        private void OnDisable ()
        {
            // When the tank is turned off, set it to kinematic so it stops moving.
            Rigidbody.isKinematic = true;
        }
    }
}