using UnityEngine;
using System.Collections;
public class Refresh : MonoBehaviour {
   // Use this for initialization
   public int hp=100;
   void Start ()   
   {

   }
   void Update ()   
    {
    if (hp > 0) {
     Ray ray = Camera.mainCamera.ScreenPointToRay(new Vector3(Screen.width/2,Screen.height/2,0));
     RaycastHit hit;
     if (Physics.Raycast (ray, out hit, 5f) && hit.collider.tag == "enemy")   
      {
      if (Input.GetMouseButtonUp(0)) this.hp=this.hp-50;
      }
      if ((Vector3.Distance (transform.position, Camera.main.transform.position) < 10) && (Vector3.Distance (transform.position, Camera.main.transform.position) > 2)) {
       animation.Play ("walk");
       Vector3 v;
       v.x = Camera.main.transform.position.x;
       v.y = 1;
       v.z = Camera.main.transform.position.z;
       transform.LookAt (v);
       v.x = 0;
       v.y = 0;
       v.z = 1;
       transform.Translate (v / 25);
       v.x = 0;
       v.y = 180;
       v.z = 0;
       transform.Rotate (v);
      } else if (Vector3.Distance (transform.position, Camera.main.transform.position) <= 2) {
       animation.Play ("attack");
      } else {
       animation.Play ("idle");
      }
    }else
     {
     if (hp>-1)||(hp<-1))
      {
      animation.Play("death");
      }
     hp=-1;
     }
    }
   }