3d-force-graph
Version:
UI component for a 3D force-directed graph using ThreeJS and d3-force-3d layout engine
66 lines (58 loc) • 1.97 kB
HTML
<head>
<style> body { margin: 0; } </style>
<script src="//cdn.jsdelivr.net/npm/3d-force-graph"></script>
<!--<script src="../../dist/3d-force-graph.js"></script>-->
</head>
<body>
<div id="3d-graph"></div>
<div style="position: absolute; top: 5px; right: 5px;">
<button id="animationToggle" style="margin: 8px; height: 25px; width: 150px;">
Pause Animation
</button>
<button id="rotationToggle" style="margin: 8px; height: 25px; width: 150px;">
Pause Rotation
</button>
</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 distance = 1400;
let isRotationActive = true;
const Graph = new ForceGraph3D(document.getElementById('3d-graph'))
.enableNodeDrag(false)
.enableNavigationControls(false)
.showNavInfo(false)
.cameraPosition({ z: distance })
.graphData(gData);
// camera orbit
let angle = 0;
setInterval(() => {
if (isRotationActive) {
Graph.cameraPosition({
x: distance * Math.sin(angle),
z: distance * Math.cos(angle)
});
angle += Math.PI / 300;
}
}, 10);
document.getElementById('rotationToggle').addEventListener('click', event => {
isRotationActive = !isRotationActive;
event.target.innerHTML = `${(isRotationActive ? 'Pause' : 'Resume')} Rotation`;
});
let isAnimationActive = true;
document.getElementById('animationToggle').addEventListener('click', event => {
isAnimationActive ? Graph.pauseAnimation() : Graph.resumeAnimation();
isAnimationActive = !isAnimationActive;
event.target.innerHTML = `${(isAnimationActive ? 'Pause' : 'Resume')} Animation`;
});
</script>
</body>