1.分别实现GL_TRAINGLE_STRIP，GL_TRAINGLE_FAN，GL_QUAD_STRIP等基本形状，至少包括10个以上的顶点。

2.不同形状分别设置不同的颜色。

3.用不同的填充模式绘制多面体，如桌子、椅子、电脑、建筑物等(自定义)。

-1., Respectively, to achieve GL_TRAINGLE_STRIP, GL_TRAINGLE_FAN, GL_QUAD_STRIP basic shape, at the very least, the culmination of more than 10. 2. Different shapes with different colors respectively. 3. Filled with different rendering polyhedral model, such as tables, chairs, computers, buildings, etc. (custom).