Note that Iñigo Quílez is big in the demo scene: http://www.iquilezles.org/prods/index.htm http://www.iquilezles.org/prods/index.htm It's amazing what he can

Note that Iñigo Quílez is big in the demo scene: http://www.iquilezles.org/prods/index.htm http://www.iquilezles.org/prods/index.htm It's amazing what he can do in realtime.