Recursion-toy-like vines with Pen

quick port of the "vines" setting with drawing style "segmented" of [recursion toy](http://soulwire.co.uk/experiments/recursion-toy/) (by [soulwire](http://soulwire.co.uk/)) [original js code](https://github.com/soulwire/Recursion-Toy/blob/master/js/recursion.js) This is just a quick port to SuperCollider. Original idea, code, etc. by [soulwire](http://soulwire.co.uk/).