A shoot 'em up game where a DJ must defeat a ghost on the dance floor.
Use this command to run the program:
clang++ -std=c++17 main.cc game.cc game_element.cc player.cc opponent.cc powerup.cc cpputils/graphics/image.cc -o main -lm -L/opt/X11/lib -I/opt/X11/include -lpthread -lX11 -lstdc++ -I/usr/X11R6/include -L/usr/X11R6/li