// Use this for initialization
 void Start()
 {
     agent     = GetComponent <NavMeshAgent>();
     character = GetComponent <Transform>();
     wc        = GameObject.Find("EventSystem").GetComponent <WorldControll>();
     Invoke("death", 20);
 }
 // Use this for initialization
 void Start()
 {
     wc = GameObject.Find("EventSystem").GetComponent <WorldControll>();
 }