User liubo took a video of his experiments with LEAP Motion and Open TSPS (Toolkit for Sensing People in Spaces). For people who are interested in Open TSPS, liubo luckily documented all the steps.
http://vimeo.com/78347994
liubo opentsps and leap motion input
About Open TSPS: TSPS is a cross-platform Toolkit for Sensing People in Spaces.