ex&#39;s location and are constant.
Spring forces are only exerted between two different vertexes that are connected by an edge and are linear by distance.</p>
<p>The electrical forces on a vertex are the sum of the electrical charge times the electrical field at that location
(<a href="ForceDirectedLayout.html#electricalCharge" class="tsd-kind-method">electricalCharge</a>, <a href="ForceDirectedLayout.html#electricalFieldX" class="tsd-kind-method">electricalFieldX</a>, <a href="ForceDirectedLayout.html#ele