public Point3fi checkObjectClicked(int x, int y, int modifiers,
BitSet bsVisible) {
Point3fi pt = new Point3fi();
Bond bond = findPickedBond(x, y, bsVisible, pt);
if (bond == null)
return null;
pt.index = bond.getIndex();
viewer.setStatusAtomPicked(-3, "[\"bond\",\"" + bond.getIdentity() + "\"," + pt.x + "," + pt.y + "," + pt.z + "]");
return pt;
}