private void Awake()
{
scoreText = transform.Find("scoreText").GetComponent <Text>();
highScoreText = transform.Find("highScoreText").GetComponent <Text>();
retryBtn = transform.Find("retryBtn").GetComponent <Button>();
retryBtn.onClick.AddListener(HandleClickRetryButton);
retryBtn.AddButtonSounds();
mainMenuBtn = transform.Find("mainMenuBtn").GetComponent <Button>();
mainMenuBtn.onClick.AddListener(HandleClickMainMenuButton);
}