​

class Walker {

    constructor() {

        this.x = width/2;

        this.y = height/2;

    }

​

    display() {

        stroke(0);

        point(this.x, this.y);

    }

​

    step() {

​

            let stepx = random(-stepsize, stepsize);

      let stepy = random(-stepsize, stepsize);

      this.x += stepx;

      this.y += stepy;

    }

}

​

function setup() {

  createCanvas(400, 400);

    w = new Walker();

  background(220);

}

​

function draw() {

    w.step();

    w.display();

}