adds a scene to the project scene array
gets the directory the game executable is in
gets the resolution of the window
called once at the start
initialises the text library
creates the window
checks if a key is pressed
runs the game
sets the logical resolution of the window
sets the current scene to a scene from the project scene array
sets the current scene to a scene from the project scene array
how many frames have passed since the game was started
DON'T MODIFY!!!!
while true, update functions are called
DON'T MODIFY!!!!
main project class used for the game as a whole