摘要: this.Dsct = function (x1, y1, x2, y2) { var r, dx, dy; dx = x1 - x2; dy = y1 - y2; r = Math.sqrt(dx * dx + dy * dy); return r; } /* 直线到原点距离 d=abs(c)/s 阅读全文
posted @ 2021-04-21 18:43 Yofoo 阅读(1263) 评论(0) 推荐(0) 编辑