// http://codingtra.in

// https://youtu.be/bqF9w9TTfeo

// https://thecodingtrain.com/CodingChallenges/053-random-walk-levy.html

​

let pos;

let prev;

​

function setup() {

  createCanvas(400, 400);

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

  prev = pos.copy();

  background(51);

}

​

function draw() {

  stroke(255);

  strokeWeight(2);

  line(pos.x, pos.y, prev.x, prev.y);

  prev.set(pos);

​

  var step = p5.Vector.random2D();

​

  var r = random(100);

  if (r < 1) {

    step.mult(random(25, 100));

  } else {

    step.setMag(2);

  }

​

  pos.add(step);

​

}