Random walker

let w;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  frameRate(120);

  background(250);

  w = new Walker();

}

​

function draw() {

  w.walk();

  w.display();

}

​

class Walker {

  constructor() {

    this.x = random(width);

    this.y = random(height);

  }

​

  walk() {

    var r = random([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);

    if (r == 0) {

      var mx = mouseX;

      var my = mouseY;

      if(mouseX - this.x > 0) this.x+=1;

      else if(mouseX - this.x < 0) this.x -= 1;

      if(mouseY - this.y > 0) this.y+=1;

      else if(mouseY - this.y < 0) this.y -= 1;

    } else{

      var xStep = random(-1, 1);

      var yStep = random(-1, 1);

      this.x += xStep;

      this.y += yStep;

    }

  }

​

  display() {

    strokeWeight(3);

    point(this.x, this.y);

  }

}