During the festival de la cite in Lausanne (9th - 14th of july 2013, 2013.festivalcite.ch), Graffitiresearchlab germany (graffitiresearchlab.de) presented a brand new version of bombIR (http://graffitiresearchlab.de/bombIR), an open source tool for digital graffiti using customized spraycans, infrared tracking and powerful projectors. Featuring graffiti writers from Berlin and Lausanne.
bombIR has been created with processing (processing.org). A psmove controller and the psmoveapi (http://thp.io/2010/psmove/) is used to connect the spraycans with the software. You can download the bombIR source code from github (http://github.com/GraffitiResearchLabGermany/bombIR).
Note: This video had been taking down due to using music from TRS-80 without permission, so the track has now been changed. A reminder to play nice with licenses when doing videos and that there are artist who don't want their music played without getting payed.
There is a lot of great Creative Commons Music around of artists who do this differently. The music track of this video now is named "3000 d. C. " (https://soundcloud.com/bronxio/base-de-hiphop-3000-d-c) by "Bronxio" (https://soundcloud.com/bronxio).