internal static IEnumerator CoAnimateToast(RectTransform toast, float target, System.Action cb = null)
{
var parent = toast.parent as RectTransform;
var group = toast.GetComponent <CanvasGroup>();
var scale = toast.localScale;
float start = scale.y;
float delta = Mathf.Abs(target - start);
float elapsed = 0;
while (elapsed <= delta)
{
elapsed += Time.deltaTime / AnimationTime;
float t = Mathf.Lerp(start, target, elapsed);
scale.y = t;
group.alpha = t;
toast.localScale = scale;
toast.ForceUpdateRectTransforms();
LayoutRebuilder.MarkLayoutForRebuild(toast);
yield return(null);
if (!group)
{
break;
}
}
if (start != target)
{
singleton.UpdateVisibility(parent, target == 1 ? 1 : 0);
}
if (cb != null)
{
cb.Invoke();
}
}
