Interactive Spaces is implemented primarily in Java, but it has a scripting bridge that supports JavaScript and Python. The framework provides a high-level architecture for building “activities” that respond to events in a room.
In the announcement, Google described a sample Interactive Spaces installation where ceiling-mounted cameras tracked the position of individuals in a room so that the software could display colored lights on the floor where they are standing.
via Google opens code for building interactive experiences in physical spaces | Ars Technica.
Download the code at http://elide.us/u.