Function dragged

scripts/static/js/graph.js:470–473

(event, d)

    d.fy = d.y;
}
function dragged(event, d) {
    d.fx = event.x;
    d.fy = event.y;
}
function dragended(event, d) {
    if (!event.active && simulation) simulation.alphaTarget(0);
    d.fx = null;