g6/demos/viewport-translate.html
2018-06-14 15:34:37 +08:00

53 lines
1.0 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>视口-平移</title>
</head>
<body>
<div id="mountNode"></div>
<script src="../build/g6.js"></script>
<script>
const data = {
nodes: [{
id: 'node1',
x: 100,
y: 200
}, {
id: 'node2',
x: 300,
y: 200
}],
edges: [{
id: 'edge1',
target: 'node2',
source: 'node1'
}]
};
const graph = new G6.Graph({
container: 'mountNode',
fitView: 'cc',
height: window.innerHeight,
});
graph.read(data);
let lastPoint;
graph.on('drag', ev => {
if (lastPoint) {
graph.translate(ev.domX - lastPoint.x, ev.domY - lastPoint.y);
}
lastPoint = {
x: ev.domX,
y: ev.domY
};
});
graph.on('dragend', ev => {
lastPoint = undefined;
});
</script>
</body>
</html>