public static System.Collections.IEnumerator DelayExecute(BoolParmsCallBack preFunc, NoParmsCallBack callback)
{
yield return(new WaitUntil(() => { return preFunc(); }));
callback?.Invoke();
}
// function
public static System.Collections.IEnumerator DelayExecute(float time, NoParmsCallBack callback)
{
yield return(new WaitForSecondsRealtime(time));
callback?.Invoke();
}