Function simulate

frontend/src/components/Simulation.tsx:30–37

(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) {