Some random ranctangles and stuff

function setup() {

  createCanvas(650, 650);

  background(0);

​

  for (let i = 0; i < 60; i++) {

    let x = random(width);

    let y = random(height);

    let w = sqrt(sq(x - width / 2) + sq(y - height / 2)) / 2;

    noStroke();

    let color = random(20, 50);

    fill(color * 1.5, color, color * 2.5, 6000 / w);

    rect(x - w / 2, y - w / 2, w, w);

  }

​

  for (let i = 0; i < 100; i++) {

    let x = random(width);

    let y = random(height);

    let w = sqrt(sq(x - width / 2) + sq(y - height / 2)) / 2;

​

    noFill();

    stroke(random(50, 250), random(30, 100), random(10, 200));

​

    rect(x - w / 2, y - w / 2, w, w);

  }

​

  for (i = 0; i < 1200; i++) {

    let x = random(width);

    let y = random(height);

    stroke(random(50, 250), random(30, 100), random(10, 200));

    point(x, y);

  };

}