绘制桌子和茶壶

1.通过设置材料使得桌面和四条腿的颜色各不相同,分别为:(1, 0, 0), (0, 1, 0), (1, 1, 0), (0, 1, 1), (0, 0, 1)

2. 通过设置材料使得茶壶为金黄色

3. 添加按键处理,移动场景中的光源,并能改变光源的颜色

4. 修改茶壶的镜面反射系数,使之对光源呈现高光

5. 在场景中添加一个聚光光源,其照射区域正好覆盖茶壶,并能调整改聚光光源的照射角度和朝向。-1. Draw a table and tea set material makes desktop and four-legged different colors, namely: (1, 0, 0), (0, 1, 0), (1, 1, 0), (0, 1, 1), (0, 0, 1)　2. By setting the material so that the teapot is golden yellow　3. Add key handling, moving light in the scene, and change the color of the light source　4. Modify the teapot specular factor, so that the light source exhibits high light　5. Add a spot light in the scene, which illuminates the area just to cover the teapot, and a spot light can be adjusted to change the irradiation angle and orientation.