synapses - dream - flow

let circles;
function setup() {
  createCanvas(600, 600);
  circles = [];
  nRot = int(random(5, 20));
  rad1 = random(width / 7, width / 4);
  rad2 = random(width / 10, width / 2);
  for (let i = 0; i < nRot; i++) {
    circles[i] = {
      x: rad1 * cos((TAU / nRot) * i),
      y: rad1 * sin((TAU / nRot) * i)
    };
  }
}

function draw() {
  translate(width / 2, height / 2);
  rotate(frameCount / 500);
  noStroke();
  for (let x = -width / 1.5; x < width / 1.5; x += 8) {
    for (let y = -height / 1.5; y < height / 1.5; y += 8) {
      minD = width;
      for (let k = 0; k < nRot; k++) {
        d1 =
          dist(x, y, circles[k].x, circles[k].y) - rad1 * sin(frameCount / 100);
        minD = min(minD, d1);
      }
      let brightness = map(abs(minD), 0, width / 2, 285, 0);
      fill(brightness - 80, brightness - 50, brightness, 20);

      circle(x, y, 10);
    }
  }
}

function border() {
  noFill();
  stroke(20, 50, 60);
  strokeWeight(4);
  rect(0, 0, width - 20, height - 20);
}

function mousePressed() {
  frameCount = 0;
  setup();
  draw();
}

function keyPressed() {}