用OPenGL写的一个外星人在宇宙的3D模型。其中有地球、太阳、外星人、可乐、秋千等。地球可以绕着太阳公转、也可以自转，另外外星人还有变形和荡秋千等动作-Use OPenGL write an alien in the 3 d model of the universe. There are the earth, the sun, aliens, coke, swing, etc. Can the earth moves around the sun, can also be rotation,