I made a similar thing couple of years ago http://www.makeitgo.ws/experiments/voronoi_painter/ http://www.makeitgo.ws/experiments/voronoi_painter/ (ignore the

I made a similar thing couple of years ago http://www.makeitgo.ws/experiments/voronoi_painter/ http://www.makeitgo.ws/experiments/voronoi_painter/ (ignore the LAB color picker, no idea what I was thinking...)