基于opengl函数图形库设置照相机功能，实现在三维场景中的逼真漫游-Based on the opengl function graphic library function in the camera Settings of lifelike 3d scene roamed

这是开发OPENGL环境所必需用到的OPENGL库文件，希望对大家有用-This is a development the OPENGL environment are required to use the the OPENGL library file, and hope to be useful