private MonsterBook()
 {
     _background = new ImageUnit("DialogueBackground");
     _background.SetPosition(Floor.StartX, 0);
     _leftArrow = new ImageUnit("LeftArrow");
     _leftArrow.SetPosition(Floor.StartX + 5 * Floor.ObjectSize, Floor.ObjectSize * 11);
     _rightArrow = new ImageUnit("RightArrow");
     _rightArrow.SetPosition(Floor.StartX + 6 * Floor.ObjectSize, Floor.ObjectSize * 11);
 }
 private Battle()
 {
     _background = new ImageUnit(BackgroundImageName);
     _background.SetPosition(Floor.StartX, 150);
     _active = false;
 }