/* built with Studio Sketchpad: 
 *   https://sketchpad.cc
 * 
 * observe the evolution of this sketch: 
 *   https://artofcode.sketchpad.cc/sp/pad/view/ro.4MxU$EjFI$X/rev.18
 * 
 * authors: 
 *   Russell Goldenberg

 * license (unless otherwise specified): 
 *   creative commons attribution-share alike 3.0 license.
 *   https://creativecommons.org/licenses/by-sa/3.0/ 
 */ 



// Pressing Control-R will render this sketch.

size(640,360);