Added a javascript version, for those who want to try it out without compiling anything: https://gist.github.com/munificent/b1bcd969063da3e6c298be070a22b604#gis

Added a javascript version, for those who want to try it out without compiling anything: https://gist.github.com/munificent/b1bcd969063da3e6c298be070a22b604#gistcomment-2854606 https://gist.github.com/munificent/b1bcd969063da3e6c298be070.... Online version: https://jsfiddle.net/dfu7ws69/ https://jsfiddle.net/dfu7ws69/