运行程序，屏幕上显示出蓝色背景，当不断重复单击动画工具按钮时，彩色小球发生如下变化：一个小球下落、定格，增加一个小球下落、再定格-Run the program, the screen shows a blue background, animation tool, repeated endlessly, click button, the color changes of the ball took place as follows: the fate of a small ball, fix

OpenGL学习源码，包括代贴图可旋转的空间旋转的三维球体，场景设计，曲面重复纹理填充，绘制三维球体及二维平面三角形。-OpenGL source learning, including the generation of maps rotatable three-dimensional space rotating sphere, scene design, surface texture fills repeated, drawing a three-dimensional sphere a