​

class Walker{

  constructor(){

    //variables to store the walker's current coordinates and its previous coordinates

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

    this.prev = this.pos.copy();

  }

  //function to create walker

  spawn(){

  strokeWeight(2);

    //makes sure walker steps are connected by a line    

    line(this.pos.x,this.pos.y,this.prev.x,this.prev.y);

  this.prev.set(this.pos);

  }

  //function to for new walker steps

  update(){

  // creates a random vector direction for new steps for walker

  let direction = p5.Vector.random2D();

  // controls randomness of long steps; less than 2%

  let chance = random(100);

  if (chance<2){

    direction.mult(random(25,100));

  }else{

    direction.setMag(4);

    //random color of walker

    stroke(this.pos.x,map(this.pos.y,0,600,0,255),chance);

  }

  this.pos.add(direction);

  }

}