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index.html
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/
index.html
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<head>
<style> body { margin: 0; } </style>
<script src="//unpkg.com/force-graph"></script>
<!-- <script src="../../dist/force-graph.js"></script>-->
</head>
<body>
<div id="graph"></div>
<script>
// Random tree
const N = 100;
const gData = {
nodes: [...Array(N).keys()].map(i => ({ id: i })),
links: [...Array(N).keys()]
.filter(id => id)
.map(id => ({
source: id,
target: Math.round(Math.random() * (id-1)),
dashed: (id % 2 === 0)
}))
};
const elem = document.getElementById('graph');
const dashLen = 6;
const gapLen = 8;
const Graph = ForceGraph()(elem)
.graphData(gData)
.nodeRelSize(8)
.linkWidth(3)
.linkLineDash(link => link.dashed && [dashLen, gapLen]);
// Dash animation
const st = +new Date();
const dashAnimateTime = 300; // time to animate a single dash
(function animate() {
const t = ((+new Date() - st) % dashAnimateTime) / dashAnimateTime;
const lineDash = t < 0.5 ? [0, gapLen * t * 2, dashLen, gapLen * (1 - t * 2)] : [dashLen * (t - 0.5) * 2, gapLen, dashLen * (1 - (t - 0.5) * 2), 0];
Graph.linkLineDash(link => link.dashed && lineDash);
requestAnimationFrame(animate);
})(); // IIFE
</script>
</body>