Edge Cases

[mithi]

[mithi]

[mithi]

[mithi]

Verify if I made a mistake somewhere
https://stackoverflow.com/questions/8142388/in-what-order-should-i-send-my-vertices-to-opengl-for-culling/8142461

try the debugging tips here
https://www.reddit.com/r/opengl/comments/ibw3kh/question_about_backface_culling_implementation/g1z3ra9/

[mithi]