利用随机函数自动产生随机数后自动排序，模仿福利彩票双色球玩法。-The use of random function automatically generated random numbers automatically sort Loans to imitate playing the welfare lottery.

类似于google earth的一个地球-Similar to google earth as a planet

OpenGL,地球模型，纹理加载，虚拟跟踪球的实现-OpenGL, the Earth model, texture loading, the realization of a virtual tracking ball