Depth buffer in OpenGL

managed to solve the depth problem in opengl!

stackoverflow issue: https://stackoverflow.com/questions/38144958/depth-buffer-seems-to-not-work-opengl-shader khronos article: https://www.khronos.org/opengl/wiki/Depth_Buffer_and_Perspective_Rendering previous video: https://www.youtube.com/watch?v=q19WTEvCm3k opengl challenges repo: my github: https://github.com/osamu-kj my blog: https://github.com/osamu-kj/opengl-experiments my website: http://osamu-san.42web.io/ ... https://www.youtube.com/watch?v=VbSsUkkSwzI