Part Counter OPEN SOURCE

This could probably be made a lot better and more optimized but i put near to no effort into this, if you use it please credit me. There isnt many games where this would be useful. Sorry for being inactive. All this does is give you a tool that lets you click on parts and it will add them to a counter at the top of your screen and the selected parts will have a green highlight, click on them again to remove them from the counter.