force-graph
Version:
2D force-directed graph rendered on HTML5 canvas
49 lines (42 loc) • 1.23 kB
HTML
<head>
<style>
body { margin: 0; }
#emit-particles-btn {
position: absolute;
top: 10px;
right: 10px;
font-size: 13px;
}
</style>
<script src="//cdn.jsdelivr.net/npm/force-graph"></script>
<!--<script src="../../dist/force-graph.js"></script>-->
</head>
<body>
<div id="graph"></div>
<button id="emit-particles-btn">Emit 10 Random Particles</button>
<script>
// Random tree
const N = 50;
const links = [...Array(N).keys()]
.filter(id => id)
.map(id => ({
source: id,
target: Math.round(Math.random() * (id-1))
}));
const gData = {
nodes: [...Array(N).keys()].map(i => ({ id: i })),
links
};
const Graph = new ForceGraph(document.getElementById('graph'))
.linkDirectionalParticleColor(() => 'red')
.linkHoverPrecision(10)
.graphData(gData);
Graph.onLinkClick(Graph.emitParticle); // emit particles on link click
document.getElementById('emit-particles-btn').addEventListener('click', () => {
[...Array(10).keys()].forEach(() => {
const link = links[Math.floor(Math.random() * links.length)];
Graph.emitParticle(link);
});
});
</script>
</body>