利用opengl绘制的立方体，圆锥体，球体，并对三维实体能进行平移，旋转，缩放，可在控件中输入模型的边长或半径改变模型的大小-Use opengl draw cubes, cones, spheres, and the three-dimensional entity capable of translation, rotation, scaling, you can enter the model in the control side length or radius change the size of the model