private boolean isVerticallyOccupied(HantoCell from, HantoCell to){
		boolean isOccupied = true;
		if (to.getY() < from.getY()){
			for (int i = from.getY() - 1; i > to.getY(); i--){
				if (findCell(to.getX(), i) == null){
					isOccupied = false;
					break;
				}
			}
		} else {
			for (int i = from.getY() + 1; i < to.getY(); i++){
				if (findCell(to.getX(), i) == null){
					isOccupied = false;
					break;
				}
			}
		}
		return isOccupied;
	}