I found that there are some problems with an existing emmylua-api generator, and I can't generate a new version of love2d api. For the purpose of practice, I took a little time to rewrite one. Then the maintainer of emmylua told me that someone has actually fixed the generator, and the latest versio...

Maybe you want to convert your mouse coord to tile coord? you can use matrices to convert, there are some great videos on youtube.