overlap-area这个插件可以：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0,maximum=1.0,minimum=1.0,user-scalable=0" />
<title>BFW NEW PAGE</title>
<script id="bfwone" data="dep=jquery.17&err=0" type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/bfwone.js"></script>
<script type="text/javascript">
bready(function() {
use(["overlap-area.min"], function() {
const points1 = [
[150, 100],
[200, 50],
[250, 60],
[300, 100],
[250, 160],
[150, 150],
[200, 120],
];
const points2 = [
[250, 100],
[300, 50],
[350, 60],
[400, 100],
[350, 160],
[220, 150],
[300, 120],
];
console.log(OverlapArea.getOverlapAreas(points1, points2));
});
});
// 输出
/*
[
[
[272.2222222, 77.7777778],
[300, 100],
[287.5, 115],
[250, 100],
],
[
[275.7575758, 129.0909091],
[256.0240964, 152.7710843],
[220, 150],
],
]
*/
</script>
<style>
</style>
</head>
<body>
</body>
</html>
gitHub地址：https://github.com/daybrush/overlap-area 网友回复
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