使用波纹管参考我正在尝试创建一个多边形,但是,如果我的点/角的顺序不正确,多边形将不会变成凹形。如何订购角落或有没有更好的方法来制作凹多边形?
https://bl.ocks.org/lwthatcher/5456840f796632c27edc813ce8ab4719
let poly = [
{"x":0,"y":0},
{"x":0, "y":5},
{"x":40,"y":10},
{"x":60,"y":90},
{"x":100,"y":100},
];