private IEnumerator LaunchBall()
{
for (int i = 3; i > 0; i--)
{
countText.text = i.ToString();
yield return(_waitFor1Sec);
}
countText.text = string.Empty;
ball.transform.localPosition = Vector3.zero;
ball.Launch(new Vector2(Random.Range(-1f, 1f), Random.Range(-1f, 1f)), Random.Range(1f, 10f));
}