function moveToRandomPosition(item) {
  const x = random(item.width / 2, 768 - item.width / 2);
  const y = random(item.height / 2, 1024 - item.height / 2);
  item.move(x, y);
}

function isPopped(balloon) {
  return balloon.hidden;
}

function didWePopEveryBalloon() {
  return balloons.every(isPopped);
}

function weWon() {
  sound("hooray");
}

function seeIfWeWon() {
  if (didWePopEveryBalloon()) {
    weWon();
  }
}

fill("lightblue");
stamp("balloon", 120);
stamp("icon reflection");