​

let colour = ["#C6EBBE", "#A9DBB8"]

​

function setup() {

  createCanvas(200, 200);

  rectMode(CENTER);

  background(255);

  walker = new Walker(); // Walker class defined in walker.js

}

​

function draw() {

  walker.step();

  walker.render();

}

​

function mousePressed() {

  background(255);

  walker.reset();

}