opengl开发：在OpenGL消隐和光照实验的基础上，通过实现实验内容，掌握OpenGL中纹理的使用，并验证课程中关于纹理的内容。-opengl development: Based on OpenGL blanking and light experiments, through the realization of the experiment content, mastered the use of OpenGL texture and verify the contents of the course on the texture.