Processing.org. CreativeApplications.Net | Apps That Inspire... Gallery « Butterfly. Kinect and Processing. This is all very preliminary, but here is a first pass as a Processing Kinect library: (Mac OSX only for now, sorry!) UPDATE (12/18/10): New version of the library can be downloaded from github: openkinect.zip. Source: None of this would have been possible without the heroic efforts of Hector Martin, the OpenKinect project, and various members of the openFrameworks community.
There’s a great thread with discussion and code here: Video in action here: Processing code looks like: Processing Workshop.