TouchlessTouchless enables touch without touching by using a webcam to track color based markers. Touchless includes two parts: Touchless Demo is an open source application that anyone with a webcam can use to experience multi-touch, no geekiness required. There are 4 fun demos: Snake - where you control a snake with a marker, Defender - up to 4 player version of a pong-like game, Map - where you can rotat
