Goddamn

function setup() {

  createCanvas(400, 600);

  noLoop();

  stroke(0);

  strokeWeight(5);

}

​

function randomColor() {

  return color(random(255), random(255), random(255));

}

​

function drawRects(x, y, w, h, depth=0) {

  if (depth > 4) return;

  let isHorizontal = random() > 0.5;

​

  if (isHorizontal) {

    let splitY = y + random(0.2, 0.8) * h;

    fill(randomColor());

    rect(x, y, w, splitY - y);

    fill(randomColor());

    rect(x, splitY, w, y + h - splitY);

​

    drawRects(x, y, w, splitY - y, depth+1);

    drawRects(x, splitY, w, y + h - splitY, depth+1);

  } else {

    let splitX = x + random(0.2, 0.8) * w;

    fill(randomColor());

    rect(x, y, splitX - x, h);

    fill(randomColor());

    rect(splitX, y, x + w - splitX, h);

​

    drawRects(x, y, splitX - x, h, depth+1);

    drawRects(splitX, y, x + w - splitX, h, depth+1);

  }

}

​

function draw() {

  background(randomColor());

  drawRects(0, 0, width, height);

}

​