OpenGL实现地球绕太阳旋转，月亮绕地球旋转，有泛光灯，聚光灯，和点光源，星体有贴图，有轨道，很有参考价值-Rotation of the Earth around the Sun OpenGL implementation, the moon around the earth, there are floodlights, spotlights, and a point source, the star has a map, there are tracks of great referen