private void Start()
{
instance = instance ?? this;
InvokeRepeating("OnTimerEverySecond", 1f, 1f);
InvokeRepeating("OnTimerEveryHalfSecond", 1f, .5f);
InvokeRepeating("OnTimerEvery250Millisecond", 1f, .25f);
}
private void Awake()
{
instance = instance ?? this;
}