private void gamePlay()
{
ship1.attack();
ship2.attack();
ship3.attack();
MoveSubject.getInstance().Move();
onPropertyChanged(string.Empty);
}
public static MoveSubject getInstance()
{
if (_instance == null)
{
_instance = new MoveSubject();
}
return(_instance);
}
public EnemyShip()
{
AttackSubject.getInstance().register(this);
MoveSubject.getInstance().register(this);
}