opengl 室内三维环境，包含桌子，茶壶，基本光照。-opengl indoor three-dimensional environment, including tables, teapot, and basic lighting.

利用GLUT提供的9种三维实体分别绘制圆锥体、四面体、正方体、正十二面体、正二十面体、正八面体、球体、圆球体和茶壶模型，并应用鼠标交互菜单实现实体图和线框图之间的切换。-9 provided by GLUT were drawn three-dimensional solid cone, tetrahedron, cube, dodecahedron, icosahedron, octahedron, sphere, spherical body and the teapot model, an

使用opengl绘制一个茶壶，可可以旋转，拖拽，变换纹理可直接使用。-Using opengl to draw a teapot, can can be rotated, drag, changing the texture can be used directly.