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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/react/umd/react.production.min.js"></script>
<script src="//unpkg.com/react-dom/umd/react-dom.production.min.js"></script>
<script src="//unpkg.com/@babel/standalone"></script>
<script src="//unpkg.com/react-force-graph-3d"></script>
<!--<script src="../../src/packages/react-force-graph-3d/dist/react-force-graph-3d.js"></script>-->
</head>
<body>
<div id="graph"></div>
<script type="text/jsx">
const { useState, useEffect, useCallback } = React;
const DynamicGraph = () => {
const [data, setData] = useState({ nodes: [{ id: 0 }], links: [] });
useEffect(() => {
setInterval(() => {
// Add a new connected node every second
setData(({ nodes, links }) => {
const id = nodes.length;
return {
nodes: [...nodes, { id }],
links: [...links, { source: id, target: Math.round(Math.random() * (id-1)) }]
};
});
}, 1000);
}, []);
const handleClick = useCallback(node => {
const { nodes, links } = data;
// Remove node on click
const newLinks = links.filter(l => l.source !== node && l.target !== node); // Remove links attached to node
const newNodes = nodes.slice();
newNodes.splice(node.id, 1); // Remove node
newNodes.forEach((n, idx) => { n.id = idx; }); // Reset node ids to array index
setData({ nodes: newNodes, links: newLinks });
}, [data, setData]);
return <ForceGraph3D
enableNodeDrag={false}
onNodeClick={handleClick}
graphData={data}
/>;
};
ReactDOM.render(
<DynamicGraph />,
document.getElementById('graph')
);
</script>
</body>