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vasturiano

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Dynamic 3D Graph

Graph data dynamic updates using 3d-force-graph. Clicking on a node removes it from the graph.

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

<style>
        body { margin: 0; }
    </style>
</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)
                .onNodeHover(node => elem.style.cursor = node ? 'pointer' : null)
                .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>

https://unpkg.com/3d-force-graph