Making my own 3D GAME ENGINE and GAME in 48 HOURS? C++ OPENGL

For GMTK2023 I made my own game engine using C++ and OpenGL and then made my own game. Itch: https://martenscedric.itch.io/portable-par GitHub: https://github.com/MartensCedric/portable-par Chapters: 00:00 Intro 00:43 Window 01:16 OpenGL Basics 02:40 First Triangle Done 03:23 Textures Done 04:21 Technologies used 04:59 Lighting and Shading 05:55 Game Ideas 06:30 Golf Ball 07:01 Terrain 07:40 OpenCV and Physics 09:02 Predicting the future 10:35 Shadows 12:40 Polishing and Testing 13:39 Submission Credits: Phong shading image by Brad Smith: https://commons.wikimedia.org/wiki/File:Phong_components_version_4.png === Music === massobeats - taro swirl: https://www.youtube.com/watch?v=QutwEFKtvPQ Music track: taro swirl by massobeats Source: https://freetouse.com/music Royalty Free Music for Video (Safe) massobeats - floral: https://www.youtube.com/watch?v=DWE_CacEVek Music track: floral by massobeats Source: https://freetouse.com/music Free No Copyright Music Download Aesthetic Wave - smokey eye: https://www.youtube.com/watch?v=1yNyjutEXMk ♪ Storybook (Prod. by Lukrembo)Link : https://www.youtube.com/watch?v=t7CE-lIUE8U ♪ Cold (Prod. by Lukrembo)Link : https://www.youtube.com/watch?v=YEqR7cSSLTU "Last Stop" Music by Karl Casey @ White Bat Audio"