/** * Wolfram Cellular Automata * by Daniel Shiffman.   *  * Simple demonstration of a Wolfram 1-dimensional cellular automata * When the system reaches bottom of the window, it restarts with a new ruleset * Mouse click restarts as well.  */ CA ca;   // An instance object to describe the Wolfram basic Cellular Automatavoid setup() {  size(640, 360, P2D);  frameRate(30);  background(0);  int[] ruleset = {0,1,0,1,1,0,1,0};    // An initial rule system  ca = new CA(ruleset);                 // Initialize CA}void draw() {  ca.render();    // Draw the CA  ca.generate();  // Generate the next level    if (ca.finished()) {   // If we're done, clear the screen, pick a new ruleset and restart    background(0);    ca.randomize();    ca.restart();  }}void mousePressed() {  background(0);  ca.randomize();  ca.restart();}