Merge branch 'main' of github.com:johnBuffer/VerletSFML-Multithread

Update cmakelists

Update main.cpp

Update main.cpp

Update physic_object.hpp

Update main.cpp

Merge pull request #7 from mreinstein/main

explain magic number. Fixes #4

Merge pull request #6 from cgringmuth/fix/gcc-new-version

Fixed world slicing for multithreading

Fix: Add missing header for uin64_t.

Delete spring_particle.hpp

Fix compilation error on MacOS

Merge pull request #2 from Ioann44/patch-1

Update README.md