摘要:
/// <summary> /// 连点之间距离公式判断坐标是否在圆内,√[(x1-x2)²+(y1-y2)²] /// </summary> /// <param name="p"></param> /// <param name="f"></param> /// <param name="r"> 阅读全文
摘要:
/// <summary> /// 射线法,判断一个坐标点是否在多边形区域内 /// </summary> /// <param name="p"></param> /// <param name="poly"></param> /// <returns></returns> public stri 阅读全文