​

function setup() {

  createCanvas(600, 600);

  background(0);

}

​

function yVal(x, period, phase, amplitude) {

  return sin((TWO_PI * x) / period + phase) * amplitude;

}

​

function draw() {

  background("rgba(13, 39, 54, 0.025)");

​

  translate(width / 2 - offset, height / 2);

  offset += 0.8;

​

  for (let i = -width / 2 + offset; i <= width / 2 + offset; i += 10) {

    let x = map(i, -width / 2, width / 2, -PI, PI);

​

    stroke(0, 255, 255, 0.1);

    strokeWeight(10);

    ellipse(i, -yVal(x, TWO_PI, 0, height / 6), 4);

​

    strokeWeight(1);

    ellipse(i, yVal(x, PI / 2, 0, height / 3), 3);

  }

}

​