利用opengl绘制的立方体，并加有西工大照片和校徽，使其更显立体，并对三维实体能进行平移，旋转，缩放，使其旋转变化，实现其三维动画效果。 -Use opengl draw cubes, and add photos and NPU badge, it is more three-dimensional, three-dimensional solid and capable of translation, rotation, scaling, rotation change it to achieve its three-dimensional animation.