ringCenterVector = getPerpendicular(bondAtom1Vector, bondAtom2Vector, new Vector2d(midPoint.x - sharedAtomsCenter.x, midPoint.y - sharedAtomsCenter.y));
ringCenterVector = getPerpendicular(bondAtom1Vector, bondAtom2Vector, new Vector2d(midPoint.x - sharedAtomsCenter.x, midPoint.y - sharedAtomsCenter.y));
ringCenterVector = getPerpendicular(pBeg, pEnd, ringCenterVector);
ringCenterVector = getPerpendicular(pBeg, pEnd, ringCenterVector);