绘制一个具有真实感的三维场景，其中包含了一些三维物体。具有光照，纹理效果，可实现交互式的场景漫游。实现了从建模、坐标变换到消隐算法、光照模型、面绘制算法、纹理映射的全部过程。-Draw a photorealistic 3D scene, which contains a number of three-dimensional objects. Light, texture effects, interactive scene roaming. Blanking algorithm from m