​

class Walker {

  constructor() {

    this.x = width / 2;

    this.y = height / 2;

​

    this.tstepX = 10;

    this.tstepY = 10000;

  }

​

  display() {

    stroke(0);

    point(this.x, this.y);

  }

​

  step() {

    let stepsizeX = map(noise(this.tstepX), 0, 1, -5, 5);

    let stepsizeY = map(noise(this.tstepY), 0, 1, -5, 5);

    this.x += stepsizeX;

    this.y += stepsizeY;

    this.tstepX += 0.1;

    this.tstepY += 0.01;

  }

}

​

function setup() {

  createCanvas(400, 400);

  w = new Walker();

  background(220);

}

​

function draw() {

  w.step();

  w.display();

}