摘要: 1 Vector Rotate(Vector A, double rad) { 2 return Vector(A.x * cos(rad) - A.y * sin(rad), A.x * sin(rad) + A.y * cos(rad)); 3 } 4 double angle(Vector v 阅读全文
posted @ 2019-11-12 18:23 小布鞋 阅读(196) 评论(0) 推荐(0) 编辑