void Update()
{
WanderingAI behavior = GetComponent <WanderingAI> ();
if (Vector3.Distance(transform.position, _player.transform.position) < seeDistance)
{
_target = _player;
behavior.Shoot(true);
}
else
{
_target = null;
behavior.Shoot(false);
}
if (_target)
{
navigate.SetDestination(_target.transform.position);
}
}