绘制一个多边形,找个纹理贴图对它分别进行 1.重叠纹理寻址 2.镜像纹理寻址 3.夹取纹理寻址 4.边框颜色纹理寻址 -Draw a polygon texture mapping it were (1) overlapping texture addressing (2) mirror the texture addressing Clip texture addressing Border color texture addressing