I've made touch interactive installation at 2008 with similar physics simulation http://vimeo.com/19361057
Watch this : http://www.youtube.com/watch?v=cqIiWHMnM94
I've made touch interactive installation at 2008 with similar physics simulation http://vimeo.com/19361057
Watch this : http://www.youtube.com/watch?v=cqIiWHMnM94