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js如何计算两个几何多边形区域是否相交以及相交的多边形数据?

js如何计算两个几何多边形区域是否相交以及相交的多边形数据?


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overlap-area这个插件可以:

800_auto

<!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
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