private void OnTriggerEnter(Collider other)
{
// if colliding with enemy action collider change to combat state
if (other.gameObject.CompareTag("Action_Collider") && other.transform.parent.gameObject.CompareTag(_tag))
{
Troop _thisTroop = _parentGameObject.GetComponent <Troop>();
_thisTroop.currentTarget = other.transform.parent.gameObject.GetComponent <Troop>();
_thisTroop.ChangeState(new Combat(_thisTroop));
}
}