private static AnimationTimer CreateFadeTimer(FadeStep fadeStep)
{
var fadeTimer = fadeStep switch
{
FadeStep.FadeIn => new AnimationTimer(1.75f),
FadeStep.Hold => new AnimationTimer(1.75f),
FadeStep.FadeOut => new AnimationTimer(0.5f),
_ => default,
void Delay(float fDelaTime)
{
m_delayTime += fDelaTime;
if (m_delayTime >= 2.0f)
{
m_fadeStep = FadeStep.OUT;
m_delayTime = 0f;
}
}
void FadeOut()
{
m_color -= 0.01f;
this.gameObject.GetComponent <Image>().color = new Color(m_color, m_color, m_color, 1);
if (m_color <= 0f)
{
m_fadeStep = FadeStep.DONE;
}
}
void FadeIn()
{
m_color += 0.01f;
this.gameObject.GetComponent <Image>().color = new Color(m_color, m_color, m_color, 1);
if (m_color >= 1f)
{
m_fadeStep = FadeStep.IDLE;
}
}
public override void OnActivate()
{
Debug.WriteLine($"{nameof(SplashScreenPageHandler)} OnActivate");
_currentDisplayImageIndex = 0;
_currentFadeStep = FadeStep.FadeIn;
_fadeTimer = CreateFadeTimer(_currentFadeStep);
for (int i = 0; i < _splashScreenContents.Length; i++)
{
_splashScreenContents[i].Opacity = 0;
}
_loadingText.Text = null;
}
void FinishFadeStep()
{
m_curImageIndex++;
if (m_images.Length > m_curImageIndex)
{
this.gameObject.GetComponent <Image>().sprite = m_images[m_curImageIndex];
}
m_fadeStep = FadeStep.IN;
if (m_images.Length <= m_curImageIndex + 1)
{
m_finished = true;
this.gameObject.GetComponent <Image>().color = new Color(1, 1, 1, 1);
}
}
public override void Update()
{
if (IsAnimationFinished)
{
return;
}
if (_currentDisplayImageIndex < _splashScreenContents.Length)
{
float dt = (float)Game.UpdateTime.Elapsed.TotalSeconds;
_fadeTimer.Update(dt);
var opacity = _currentFadeStep switch
{
FadeStep.FadeIn => _fadeTimer.CompletionValueInDecimal * _fadeTimer.CompletionValueInDecimal,
FadeStep.Hold => 1,
FadeStep.FadeOut => (1 - _fadeTimer.CompletionValueInDecimal),
_ => 0,
};
_splashScreenContents[_currentDisplayImageIndex].Opacity = opacity;
if (_fadeTimer.IsComplete)
{
if (_currentFadeStep < FadeStep.Finished)
{
_currentFadeStep++;
if (_currentFadeStep == FadeStep.Finished)
{
_currentDisplayImageIndex++;
if (_currentDisplayImageIndex >= _splashScreenContents.Length)
{
_loadingText.Text = "Loading...";
}
else
{
_currentFadeStep = FadeStep.FadeIn;
_fadeTimer = CreateFadeTimer(_currentFadeStep);
}
}
else
{
_fadeTimer = CreateFadeTimer(_currentFadeStep);
}
}
}
}
}
