C# Handle.Cancel方法代码示例

	/// <summary>
	/// the 'Schedule' method sets everything in order for the
	/// timer event to be fired. it also creates a hidden
	/// gameobject upon the first time called (for purposes of
	/// running the Update loop and drawing editor debug info)
	/// </summary>
	private static void Schedule(float time, Callback func, ArgCallback argFunc, object args, Handle timerHandle, int iterations, float interval)
	{

		if (func == null && argFunc == null)
		{
			UnityEngine.Debug.LogError("Error: (vp_Timer) Aborted event because function is null.");
			return;
		}

		// setup main gameobject
		if (m_MainObject == null)
		{
			m_MainObject = new GameObject("Timers");
			m_MainObject.AddComponent<vp_Timer>();
			UnityEngine.Object.DontDestroyOnLoad(m_MainObject);

#if (UNITY_EDITOR && !DEBUG)
				m_MainObject.gameObject.hideFlags = HideFlags.HideInHierarchy;
#endif
		}

		// force healthy time values
		time = Mathf.Max(0.0f, time);
		iterations = Mathf.Max(0, iterations);
		interval = (interval == -1.0f) ? time : Mathf.Max(0.0f, interval);

		// recycle an event - or create a new one if the pool is empty
		m_NewEvent = null;
		if (m_Pool.Count > 0)
		{
			m_NewEvent = m_Pool[0];
			m_Pool.Remove(m_NewEvent);
		}
		else
			m_NewEvent = new Event();

		// iterate the event counter and store the id for this event
		vp_Timer.m_EventCount++;
		m_NewEvent.Id = vp_Timer.m_EventCount;

		// set up the event with its function, arguments and times
		if (func != null)
			m_NewEvent.Function = func;
		else if (argFunc != null)
		{
			m_NewEvent.ArgFunction = argFunc;
			m_NewEvent.Arguments = args;
		}
		m_NewEvent.StartTime = Time.time;
		m_NewEvent.DueTime = Time.time + time;
		m_NewEvent.Iterations = iterations;
		m_NewEvent.Interval = interval;
		m_NewEvent.LifeTime = 0.0f;
		m_NewEvent.Paused = false;

		// add event to the Active list
		vp_Timer.m_Active.Add(m_NewEvent);

		// if a timer handle was provided, associate it to this event,
		// but first cancel any already active event using the same
		// handle: there can be only one ...
		if (timerHandle != null)
		{
			if (timerHandle.Active)
				timerHandle.Cancel();
			// setting the 'Id' property associates this handle with
			// the currently active event with the corresponding id
			timerHandle.Id = m_NewEvent.Id;
		}

#if (UNITY_EDITOR && DEBUG)
		m_NewEvent.StoreCallingMethod();
		EditorRefresh();
#endif

	}