void Start()
{
// generate clickstream
UniRx.IObservable <long> clickStream = Observable.EveryUpdate()
.Where(_ => Input.GetMouseButtonDown(0));
// multiple click counter with time window
clickStream.Buffer(clickStream.Throttle(TimeSpan.FromMilliseconds(500)))
.Where(x => x.Count >= 2)
.Subscribe(x => Debug.Log($"multiple clicks detected! Count: {x.Count}"));
}
