Function simulate

frontend/src/pages/Simulation.tsx:29–36

(ballManager: BallManager)

  });

  async function simulate(ballManager: BallManager) {
    let i = 0;
    while (1) {
      i++;
      ballManager.addBall(pad(WIDTH / 2 + 20 * (Math.random() - 0.5)));
      await new Promise((resolve) => setTimeout(resolve, 1000));
    }
  }

  useEffect(() => {
    if (canvasRef.current) {