摘要： This samples shows us how to create multiple views in one window. With OpenGL command glViewport, we could place our scene into any rectangle area on the window. Usually, we will set the view p... 阅读全文

摘要： This samples shows us how to create some fog effect that does not fall off by the distance between the viewer and vertex position. With OpenGL command glFogCoordf, we could specify a fog densi... 阅读全文