Add BoundBox2d BoundBox2d BoundBox2d Contains Contains GetCenter Height Intersect Intersect Intersect IsEqual IsValid MaxX MaxY MinX MinY operator= operator== SetVoid Width

Add() void Add ( const Vector2d &  v ) 将点添加到包围盒 将点添加到包围盒，包围盒可能会扩大。 参数 [in] v 点的坐标