zengzheng
/
CDSS-daming-web


			
				
					
						
						
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							<head>
  <style> body { margin: 0; } </style>

  <script src="//unpkg.com/3d-force-graph"></script>
  <!--<script src="../../dist/3d-force-graph.js"></script>-->
</head>

<body>
  <div id="3d-graph"></div>

  <script>
    const initData = {
      nodes: [ {id: 0 } ],
      links: []
    };

    const elem = document.getElementById("3d-graph");

    const Graph = ForceGraph3D()(elem)
        .enableNodeDrag(false)
        .onNodeClick(removeNode)
        .graphData(initData);

    setInterval(() => {
      const { nodes, links } = Graph.graphData();
      const id = nodes.length;
      Graph.graphData({
        nodes: [...nodes, { id }],
        links: [...links, { source: id, target: Math.round(Math.random() * (id-1)) }]
      });
    }, 1000);

    //

    function removeNode(node) {
      let { nodes, links } = Graph.graphData();
      links = links.filter(l => l.source !== node && l.target !== node); // Remove links attached to node
      nodes.splice(node.id, 1); // Remove node
      nodes.forEach((n, idx) => { n.id = idx; }); // Reset node ids to array index
      Graph.graphData({ nodes, links });
    }
  </script>
</body>