Not rly optimised so a little laggy. Turbowarp is good though: https://turbowarp.org/1314963392?hqpen&fps=45 Just move ur mouse around its satisfying.
Inspired by this project from @alphabetica but made it interactive and rendered with pen: https://scratch.mit.edu/projects/408980500/ Uses atan2 from @raucket Also it required a bit of math including butterfly curve equation and rose petal curve equation