let tx = 0;

​

class Walker {

  constructor() {

    this.pos = createVector(width / 2, height / 2);

  }

​

  update() {

    let stepsize = 10

    this.vx = noise(t / 10);

    this.vy = noise((10000 + t) / 10);

    this.vx = map(this.vx, 0, 1, -stepsize, stepsize);

    this.vy = map(this.vy, 0, 1, -stepsize, stepsize);

//    this.vel = createVector(this.vx, this.vy);

    this.vel = createVector();

​

    this.pos.add(this.vel);

​

    if (this.pos.x > width) {

      this.pos.x = 0;

    } else if (this.pos.x < 0) {

      this.pos.x = width;

    }

​

    if (this.pos.y > height) {

      this.pos.y = 0;

    } else if (this.pos.y < 0) {

      this.pos.y = height;

    }

  }

  show() {

    circle(this.pos.x, this.pos.y, 46);

  }

}

​

function setup() {

  createCanvas(400, 400);

  background(20);

  walker = new Walker();

}

​

function draw() {

  t++;

  walker.update();

  walker.show();

}

​