static IEnumerator TweenSpriteAlphaRoutine(Sprite s, float from, float to, int duration, Easing.Equation easing,
int delay = 0, OnFinished onFinished = null)
{
if (delay > 0)
{
yield return(new WaitForMilliSeconds(delay));
}
float durationF = duration * 0.001f;
float time = 0;
s.alpha = from;
var childs = s.GetChildrenRecursive();
for (int i = 0; i < childs.Count; i++)
{
if (childs[i] is Sprite)
{
((Sprite)childs[i]).alpha = from;
}
}
while (time < durationF)
{
float easeVal = Easing.Ease(easing, time, 0, 1, durationF);
float easeValMap = Mathf.Map(easeVal, 0, 1, from, to);
s.alpha = easeValMap;
for (int i = 0; i < childs.Count; i++)
{
if (childs[i] is Sprite)
{
((Sprite)childs[i]).alpha = easeValMap;
}
}
time += Time.delta;
yield return(null);
}
onFinished?.Invoke();
}
