使用opengl的纹理映射功能，贴入两张图片，生成一个肥皂盒，内外表面分别贴一张图片-Opengl texture mapping function, paste it into the two images to generate a soap box, the inner and outer surfaces, respectively, to paste a picture

文件为基于OPENGL的3D纹理贴图程序，适合于初学者，为红宝书源码例程-Paper-based OPENGL, 3D texture mapping process, suitable for beginners, for the Little Red Book source code routines

一个用于纹理贴图的程序，载入一张PPm格式的图片进行纹理贴图-One for the texture mapping process, load a picture PPm texture format