3DRect.h和3DRect.cpp中包含了用于绘制3D矩形的C3DRect类。将其添加到你的工程中，适当添加#include "3DRect.h"，就可以直接使用了。可以自由设置斜切边宽度。-3DRect.h and 3DRect.cpp contains 3D rendering for the rectangular C3DR ect category. To add them to your project, the addition of appropriate# include "3DRect.h" it can be used directly. Free chamfered edge set width.