public void Fade()
{
BeginAnimation(OpacityProperty, null);
FadeStarted?.Invoke(this, EventArgs.Empty);
var anim = new DoubleAnimation(0, new Duration(TimeSpan.FromSeconds(0.2)))
{
FillBehavior = FillBehavior.Stop
};
anim.Completed += (sender, args) =>
{
Opacity = 0;
Faded?.Invoke(this, args);
};
BeginAnimation(OpacityProperty, anim);
}
IEnumerator FadeCoroutine(float duration, float targetOpacity, Color color)
{
Debug.Log("Fading!");
// Announce this is happening.
FadeEventArgs fadeArgs = new FadeEventArgs();
fadeArgs.targetOpacity = targetOpacity;
// When this fader gets invisible, the screen is being faded in. When it gets
// fully-opaque, it's being faded out.
if (targetOpacity == 0)
{
fadeArgs.fadeTarget = FadeStyle.fadeIn;
}
else if (targetOpacity == 1)
{
fadeArgs.fadeTarget = FadeStyle.fadeOut;
}
FadeStarted.Invoke(fadeArgs);
// Decide how the fading will be done, and apply the color.
float timer = 0;
float baseOpacity = alpha;
// Do the fading over time.
while (timer < duration)
{
timer += Time.deltaTime;
alpha = Mathf.Lerp(baseOpacity, targetOpacity,
timer / duration);
yield return(null);
}
alpha = targetOpacity; // In case the duration is 0.
// Announce this is done.
FadeEnded.Invoke(fadeArgs);
coroutine = null;
}
protected virtual void OnFadeStarted(FadeEventArgs e)
{
FadeStarted?.Invoke(this, e);
}
