public IEnumerator FadeIn(float showTime, float showTransparency)
    {
        m_Sprite.CrossFadeAlpha(showTransparency, showTime, false);
        m_showFadeStatus = TutorialKeyStatus.FadingIn;
        yield return(new WaitForSeconds(showTime));

        m_showFadeStatus = TutorialKeyStatus.Shown;
    }
    public IEnumerator FadeOut(float fadeTime)
    {
        m_Sprite.CrossFadeAlpha(0f, fadeTime, false);
        m_showFadeStatus = TutorialKeyStatus.FadingOut;
        yield return(new WaitForSeconds(fadeTime));

        m_showFadeStatus = TutorialKeyStatus.Hidden;
    }
 public void ForceShowInput(float showTransparency)
 {
     m_Sprite.CrossFadeAlpha(showTransparency, 0f, false);
     m_showFadeStatus = TutorialKeyStatus.Shown;
 }
 public void HideInput()
 {
     m_Sprite.CrossFadeAlpha(0f, 0f, false);
     m_showFadeStatus = TutorialKeyStatus.Hidden;
 }