I didn't finish this project, I got the sketching but not the animating. It is also not optimized. I won't be able to work on this for a very long time (if ever), so I am archiving it.
$ npm install
$ npm run dev- Hold
dto draw - Press
nto create a new drawing - Press
Shift+eto copy Desmos equations. Note that this does not work if the current drawing is empty.