This is the code for getting started with PS4.
Modified http://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.3/p5.js to a secure url
Modified http://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.3/addons/p5.dom.js to a secure url
https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.3/p5.js
https://cdnjs.cloudflare.com/ajax/libs/p5.js/0.5.3/addons/p5.dom.js