higherorderfun.com/blog/2012/05/20/the-guide-to-implementing-2d-platformers
<img src="smileys/smiley41.gif" border="0" align="middle" />
Develop games in your browser. Powerful, performant & highly capable.
This is nice thanks! <img src="smileys/smiley1.gif" border="0" align="middle" />