private IEnumerator FadeCoroutine(float fromAlpha, float toAlpha, OnFadeCompleted callback, float fadeSpeed)
{
Color temp;
float progress = 0f;
while (progress < 1f)
{
LerpImageAlphaColor(fromAlpha, toAlpha, progress);
yield return(new WaitForEndOfFrame());
progress += (Time.unscaledDeltaTime * fadeSpeed) / 100f;
}
// Ensures that the image is completed faded at the end.
LerpImageAlphaColor(fromAlpha, toAlpha, 1);
callback?.Invoke();
yield return(null);
#region Local_Function
void LerpImageAlphaColor(float a, float b, float t)
{
temp = imageToFade.color;
temp.a = Mathf.Lerp(a, b, t);
imageToFade.color = temp;
}
#endregion
}
internal void FadeOutImage(OnFadeCompleted callback, float fadeSpeed)
{
StopFadeCoroutineIfExists();
fadeCoroutine = StartCoroutine(FadeCoroutine(minMaxAlpha.Max, minMaxAlpha.Min, callback, fadeSpeed));
}
internal void FadeInImage(OnFadeCompleted callback = null)
{
FadeInImage(callback, defaultFadeSpeed);
}
internal void FadeOutImage(OnFadeCompleted callback)
{
FadeOutImage(callback, defaultFadeSpeed);
}
public static void FireOnFadeCompleted(String fadedObjectName)
{
OnFadeCompleted?.Invoke(fadedObjectName);
}
