/**  * Penrose Tile L-System  * by Geraldine Sarmiento (NYU ITP). *   * This code was based on Patrick Dwyer's L-System class.  */PenroseLSystem ds;void setup() {  size(640, 360);  smooth();  ds = new PenroseLSystem();  ds.simulate(4);}void draw() {  background(0);  ds.render();}