var walkers=[];

var r = 30; //1 also

​

function setup() {

  createCanvas(400, 400);

  tree[0] = new random(width /2, height /2,true);

  walkers[0]=(new Walker());

​

}

​

function draw() {

  background(255);

  var walkers=createVector(createVector(random(width), random(height)));

  tree.push(Walker);

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

 }   

  for (var ii = 0; i < walker.length; i++) {

     walker(i1).show();

  } 

}