te electrical forces between two given vertexes,
for example, for layouts that should stop moving vertexes once they no longer physically overlap.</p>
<p>By default, this always returns true.</p>
</div><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><span class="tsd-kind-parameter">v1</span>: <a href="ForceDirectedVertex.html" class="tsd-signature-type tsd-kind-class">ForceDirectedVertex</a></h5></li><li><h5><span class="tsd-kind-parameter">