Added a score based on the distance travelled

[tomcraven]

I like the new starting positions for the player and black hole. It has the nice effect of propelling the player forwards if you don't press anything!

[marc-jones]

@tomcraven Is there somewhere I could put the variable storing the font name string so that both preload.js and game.js can see it? Or do you think it's better to have the font name variable specified in game.js where the other parameters are specified like I have it?

[tomcraven]

Happy to see font name (and file paths?) in the assets structure with the images. I suppose fonts are assets too

[marc-jones]

Ready to merge then?

[tomcraven]

yea looks good!