//Nature of Code WEEK 1

let walkers = [];

let total = 10;

let color;

​

function setup() {

  createCanvas(500, 500);

  colorMode(HSB);

  for (let i = 0; i < total; i++) {

    walkers.push(new Walker(width * (i + 1) / (total + 1))); 

  }

  background(0);

}

​

function draw() {

  for (let walker of walkers) {

    walker.step();

    walker.show();

  }

}

​

class Walker {

  constructor(x) {

    this.x = x; 

    this.y = 0;  

  } 

  show() {

    let brightness = map(this.y, 0, height, 30, 100);

    let hue = map(this.y,0,height,220, 190);

    let vary = randomGaussian(30, 5);

    brightness = constrain(brightness + vary, 0, 100);

    stroke(hue, 80, brightness);

    point(this.x, this.y);

    blendMode(ADD);

  }

  step() {

    let r = random(5);

    let xstep, ystep;

    if (r < 0.01) {

      xstep = random(-100, 100);

      ystep = random(-100, 100);

    } else {

      xstep = random(-5, 5);

      ystep = random(-5, 6);

    }

    this.x += xstep;

    this.y += ystep;

    this.x = constrain(this.x, 0, width);

    this.y = constrain(this.y, 0, height);

  }

}