IMHO the best book on design patterns is: https://gameprogrammingpatterns.com/ https://gameprogrammingpatterns.com/ Examples are in C++ but easy enough to under

IMHO the best book on design patterns is: https://gameprogrammingpatterns.com/ https://gameprogrammingpatterns.com/ Examples are in C++ but easy enough to understand even if you're not familiar with C++.