This project doesn't have the source available nor code snips, but I still thought very cool and thought provoking. Another example of how people are leveraging the magic of Kinect.
Interaction with a Quadrotor via the Kinect
We are looking for ways to make interaction with our vehicles natural and intuitive. With this in mind we implemented a demo for fast, dynamic interaction with a quadrotor vehicle using the Kinect in the Flying Machine Arena.
Project Information URL: http://www.idsc.ethz.ch/Research_DAndrea/FMA