I would like an article that explains for dummies the exact equations to generate https://www.acs.psu.edu/drussell/demos/membranecircle/circle.html https://www.

I would like an article that explains for dummies the exact equations to generate https://www.acs.psu.edu/drussell/demos/membranecircle/circle.html https://www.acs.psu.edu/drussell/demos/membranecircle/circle... even though I made this http://particlo.org/20 http://particlo.org/20 for selflearning and experimentation I still don't underestand how to simulate circular membranes