直接精细绘制3D模型，有时候要牺牲很大代价来建立大量多边形和进行颜色渲染。所以大多数情况下是通过其它方式来达到这个目的，比如引入大量纹理和各种相关的纹理处理技术，本程序演示一些纹理纹理相关的特殊运用-Fine mapping 3D models directly, and sometimes have to sacrifice a very high price to create a large number of polygons and color rendering. Therefore