mirror of
https://gitee.com/antv/g6.git
synced 2024-12-15 18:11:08 +08:00
57 lines
1.3 KiB
HTML
57 lines
1.3 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>画廊-函数生成树</title>
|
||
</head>
|
||
<body>
|
||
<div id="mountNode" ></div>
|
||
<p>创意来源：https://www.rosettacode.org/wiki/Fractal_tree#JavaScript</p>
|
||
<script src="../build/g6.js"></script>
|
||
<script>
|
||
const getTreeData = (x1, y1, angle, depth, nodes = [], edges = []) => {
|
||
const deg_to_rad = Math.PI / 180;
|
||
if (depth !== 0){
|
||
const x2 = x1 + (Math.cos(angle * deg_to_rad) * depth * 10.0);
|
||
const y2 = y1 + (Math.sin(angle * deg_to_rad) * depth * 10.0);
|
||
const id1 = G6.Util.guid();
|
||
const id2 = G6.Util.guid();
|
||
nodes.push({
|
||
id: id1,
|
||
x: x1,
|
||
y: y1
|
||
});
|
||
nodes.push({
|
||
id: id2,
|
||
x: x2,
|
||
y: y2
|
||
});
|
||
edges.push({
|
||
source: id1,
|
||
target: id2
|
||
});
|
||
getTreeData(x2, y2, angle - 30, depth - 1, nodes, edges);
|
||
getTreeData(x2, y2, angle + 30, depth - 1, nodes, edges);
|
||
}
|
||
return {
|
||
nodes,
|
||
edges,
|
||
}
|
||
};
|
||
const data = getTreeData(0, 0, -90, 9);
|
||
const graph = new G6.Graph({
|
||
container: 'mountNode',
|
||
fitView: 'autoZoom',
|
||
height: window.innerHeight
|
||
});
|
||
graph.node({
|
||
size: 2
|
||
});
|
||
graph.read(data);
|
||
|
||
</script>
|
||
</body>
|
||
</html>
|