First of all, the full title of this piece si Cos-Mo Cap Astrodrome America: Omnidimensional Abdigital Countergravitational Ectotemporal Live System for Hyperterrestrial Synthesized Telecomputational Motion Capture and it was a live multiplayer game performed on stage (the Hammer Museum in Los Angeles, last November, that is). Hansen explains:
As players avoided cosmic debris and showed off for satellites, their performances were mediated through a novel motion capture system that challenged the typical interactive relationship between player and screen. Accompanied by live music and real-time analog graphics, the Cos-Mo Cap system suggests an alternative to camera vision systems as we know them. The live feed was achieved by capturing video via black syphon to perform live chromakey with MAX msp.
Hansen is currently artist in residence at the UCLA Game Lab. Here's a neat profile from David O'Grady.
LINK: Isla Hansen