https://www.youtube.com/watch?v=uWm5q1DXogA
https://openload.co/f/6_5MG_TYtB0
https://openload.co/f/yDPoLs_ACT0
https://www.gamedev.net/articles/programming/general-and-gameplay-programming/the-faster-you-unlearn-oop-the-better-for-you-and-your-software-r5026/
https://www.gamedev.net/articles/programming/general-and-gameplay-programming/?sortby=record_views&sortdirection=desc&page=7&d=1