createCanvas(400, 400);

  // Arguments for rect 1

  // e.g. rect(topRightX, topRightY, bottomLeftX, bottomLeftY);

  rect(centerX, centerY, width, height);

  // Arguments for rect 2

  rect(centerX, centerY, verticalXtoY, horizontalXtoY);

  // Come up with as many as you can think of!

  rect(topLeftX, topLeftY, w, h);

}

​