Bubbles
(select reload of refresh on your web browser to make a new picture)
oil bubbles
(1) draw a bubble somewhere in the picture
(2) choose a random location in the picture
(3) see if it is inside of any of the existing bubbles
(4) if it inside of an existing bubble, go back to step 2
(5) if not, draw a bubble at that location with a radius such that it touches the nearest bubble
(6) go back to step 2

older version 'nother older version