用鼠标左键控制立方体的旋转，右键单击移动立方体，压下滚轮实现放大缩小立方体。Using mouse left button directed the cube,right button translate cube, middle button zoom in or zoom out it.

用鼠标左键控制立方体的旋转，右键单击移动立方体，压下滚轮实现放大缩小立方体。Using mouse left button directed the cube,right button translate cube, middle button zoom in or zoom out it.-Cube with the left mouse button to control the rotation, right-click mobi