RandomWalker

var xspace = 20;

var yspace = 20;

var w = [];

var e = [];

var bg = 41;

let lapse = 0;    // mouse timer

​

function setup() {

  createCanvas(1112, 834);

  colorMode(HSB, 255);

  background(bg);

  for(i = 0; i < 20; i++) {

    w.push(new Walker());

  }

  for(i = 0; i < 20; i++) {

    e.push(new Eraser());

  }

}

​

function draw() {

  for(i = 0; i < w.length; i++) {

    w[i].update();

    w[i].show();

  }

  for(i = 0; i < e.length; i++) {

    e[i].update();

    e[i].show();

  } 

}

​

function mousePressed(){

// prevents mouse press from registering twice

  if (millis() - lapse > 500){

    save('pix.jpg');

    lapse = millis();

  } 

}