摘要: double CalcAngle(MyPoint first, MyPoint cen, MyPoint second) { double dx1, dx2, dy1, dy2; double angle; dx1 = first.x - cen.x; dy1 = first.y - cen.y; 阅读全文
posted @ 2016-02-23 16:29 秋月的私语 阅读(1172) 评论(0) 推荐(0) 编辑