public GhostMover(Ghost ghost, MapObjectOperator mapObjectOperator)
 {
     this.ghost             = ghost;
     this.mapObjectOperator = mapObjectOperator;
     ghost.currentDirection = Directions.Up;
     oppositeDirection      = Directions.Down;
 }
 public PacmanMover(ThePacman thePacman, MapObjectOperator mapObjectOperator)
 {
     this.thePacman         = thePacman;
     this.mapObjectOperator = mapObjectOperator;
 }