// Do the fade
IEnumerator DoFade(bool _in, float forceTime = -1f, System.Action onFinishFade = null)
{
// Initialize parameters
var graphics = (fadeChildrens) ? GetComponentsInChildren <Graphic>() : GetComponents <Graphic>();
var origin = (_in) ? alphaLimits.x : alphaLimits.y;
var target = (_in) ? alphaLimits.y : alphaLimits.x;
var time = (forceTime < 0) ? fadeTime : forceTime;
// fade
float counter = 0f;
while (counter <= time)
{
var t = counter / time;
for (int i = 0; i < graphics.Length; i++)
{
var color = graphics[i].color;
color.a = Mathf.Lerp(origin, target, Curves.ApplyCurve(t, smoothness));
graphics[i].color = color;
}
yield return(new WaitForEndOfFrame());
counter += Time.deltaTime;
}
// Callbacks
if (onFinishFade != null)
{
onFinishFade.Invoke();
}
onFinish.Invoke();
}
