​

let lifeLength;

​

let dir;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

​

  lifeLength = random(50);

​

  for (let i = 0; i < 2; i++) {

    stripes.push(new Stripe());

  }

​

  dir = random(.9, 1.1);

}

​

function draw() {

  background(250);

​

  for (let i = 0; i < stripes.length; i++) {

    stripes[i].update();

  }

  lifeLength--;

​

  if (lifeLength < 0) {

    lifeLength = random(30);

    //stripes = [];

    if (stripes.length < 150) {

      for (let i = 0; i < 3; i++) {

        stripes.push(new Stripe());

      }

    }

    dir = random(.99, 1.01);

  }

}

​

class Stripe {

​

  constructor() {

​

    this.x1 = random(width);

    this.y1 = random(height);

​

    this.offsetAmt = 20;

​

    this.x2 = this.x1 + random(-this.offsetAmt, this.offsetAmt);

    this.y2 = this.y1 + random(-this.offsetAmt, this.offsetAmt);

​

    this.sw = random(0, 3);

​

​

  }

​

  update() {

​

    fill(30);

​

    strokeWeight(floor(this.sw));

    ellipse(this.x1, this.y1, 2, 2);

    line(this.x1, this.y1, this.x2, this.y2);

​

    // this.x2 *=random(.99,1.1);

    this.x2 *= dir;

    //spiderweb strings

    this.y2 *= dir/2;

​

    //this.y2 *=.4;

​

​

  }

​

​

}