public Evade(Enemy owner)
 {
     type = BehaviourType.EVADE;
     m_Owner = owner;
 }
 public Pursue(Enemy owner)
 {
     type = BehaviourType.PURSUE;
     m_Owner = owner;
 }
 public Wander(Enemy Owner)
 {
     m_Owner = Owner;
     type = BehaviourType.WANDER;
 }