Remove printing part to make algorithm much more efficient.
Learned about this from https://www.youtube.com/watch?v=HEfHFsfGXjs.
Explanation of that video https://www.youtube.com/watch?v=jsYwFizhncE.
Physics can be modified and used in more useful project.
Algorithm for physics is implemented based on this wikipedia article: https://en.wikipedia.org/wiki/Elastic_collision#Equations
and is standard model for computing 2d elastic collisions.
Project written in Polish as its a School project