The first thing I thought of was CamSpace: http://www.makeuseof.com/tag/control-any-game-with-your-webcam-using-camspace/ http://www.makeuseof.com/tag/control-a

The first thing I thought of was CamSpace: http://www.makeuseof.com/tag/control-any-game-with-your-webcam-using-camspace/ http://www.makeuseof.com/tag/control-any-game-with-your-webc... I remember using it a few years ago and it seemed pretty buggy (though maybe it was just my low quality webcam). This seems like it has a lot more potential.