public void clearSelection() {
		super.clearSelection();
		for (int i = 0; i < nAtom; i++)
			atom[i].setSelected(false);
		if (!bonds.isEmpty())
			bonds.clearSelection();
		if (!bends.isEmpty())
			bends.clearSelection();
		if (!molecules.isEmpty())
			molecules.clearSelection();
		if (!obstacles.isEmpty())
			obstacles.clearSelection();
	}