​

​

let points = [];

const totalPoints = 5000;

​

let inc = 0.001;

​

let noiseMultiplier = 0.02;

let direction = "left";

let count = 0;

​

function setup() {

  createCanvas(800, 500);

  for (let i = 0; i < totalPoints; i++) {

    points.push(createVector(random(width), random(height)));

  }

  setInterval(otherWay, random(5000, 15000));

}

​

function draw() {

  stroke(255);

  background(10, 10, 50, 3);

  for (let i = 0; i < totalPoints; i++) {

    let p = points[i];

    stroke(255);

    point(p.x, p.y);

    noStroke();

    fill(255, 50);

    fill(p.x, p.y, p.z * 55);

    circle(p.x, p.y, p.z);

    let n = noise(p.x * noiseMultiplier, p.y * noiseMultiplier);

    let angle = TWO_PI * n;

    if (direction === "left") {

      p.x += cos(angle)*(cos(angle)*1.5)-inc;

      p.y += sin(angle)*(sin(angle))-inc;

      p.z += 0.01;

    } else if (direction === "right") {

      p.x -= cos(angle)*cos(angle)+inc;

      p.y -= sin(angle)*(sin(angle)*1.5)+inc;

      p.z -= 0.01;

    }

​

    if (outOfCanvas(p)) {

      p.x = random(width);

      p.y = random(height);

    }

  }

  inc += 0.0001;

}

​

function otherWay() {

  count+=0.001;

  inc = 0.001;

  direction = direction === "left" ? "right" : "left";

  noiseSeed(count)

  return direction;

}

​

function outOfCanvas(item) {

  return item.x < 0 || item.y < 0 || item.y > height || item.x > width;

}

​

function mousePressed(){

  noiseSeed(random(5000,10000))

}

​