force-graph
Version:
2D force-directed graph rendered on HTML5 canvas
41 lines (35 loc) • 907 B
HTML
<head>
<style> body { margin: 0; } </style>
<script src="//cdn.jsdelivr.net/npm/force-graph"></script>
<!--<script src="../../dist/force-graph.js"></script>-->
</head>
<body>
<div id="graph"></div>
<script>
// Random tree
const N = 300;
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))
}))
};
const Graph = new ForceGraph(document.getElementById('graph'))
.graphData(gData);
let k = 0, angle = 0, radius = 300;
setInterval(() => {
// zoom in
Graph.zoom(k);
k += 0.001;
// pan around
Graph.centerAt(
radius * Math.cos(angle),
radius * Math.sin(angle)
);
angle += Math.PI / 300;
}, 10);
</script>
</body>