C# UIPanelBase.StartTransition方法代码示例

	// Starts a panel transitioning and tracks it
	protected void StartAndTrack(UIPanelBase p, SHOW_MODE mode)
	{
		p.StartTransition(mode);

		// See if it didn't quit immediately:
		if (p.IsTransitioning)
		{
			p.AddTempTransitionDelegate(DecrementTransitioningPanels);
			++transitioningPanelCount;
		}
	}

	/// <summary>
	/// Moves the menu back to the previous panel
	/// in the sequence (determined by panel 
	/// index).  Automatically dismisses the
	/// currently displaying panel using the 
	/// "back" mode.
	/// </summary>
	/// <returns>True if the there are more panels 
	/// before this one. False if this is the first 
	/// panel, or if the menu was already at the 
	/// beginning.</returns>
	public bool MoveBack()
	{
		// If this isn't a linear menu, use our history
		// to go backward:
		if (!linearNavigation)
		{
			// See if we're at the beginning:
			if (breadcrumbs.Count <= 1)
			{
				if (advancePastEnd)
				{
					// Send away the current panel:
					if (curPanel != null)
						curPanel.StartTransition(SHOW_MODE.DismissBack);

					curPanel = null;

					// Don't add more than one null on the stack:
					if (breadcrumbs.Count > 0)
					{
						if (breadcrumbs[breadcrumbs.Count - 1] != null)
							breadcrumbs.Add(null);
					}
					else
						breadcrumbs.Add(null);
				}
				return false; // We're at the beginning
			}

			// Go back in our history:
			if (breadcrumbs.Count != 0)
				breadcrumbs.RemoveAt(breadcrumbs.Count-1);


			// Send away the current panel:
			if (curPanel != null)
				curPanel.StartTransition(SHOW_MODE.DismissBack);

			// Bring in the previous panel:
			if(breadcrumbs.Count > 0)
				curPanel = breadcrumbs[breadcrumbs.Count-1];
			if (curPanel != null)
			{
				if (deactivateAllButInitialAtStart && !curPanel.gameObject.active)
				{
					curPanel.Start();
					curPanel.gameObject.SetActiveRecursively(true);
				}

				curPanel.StartTransition(SHOW_MODE.BringInBack);
			}

			// Return false if we've reached the beginning:
			if (breadcrumbs.Count <= 1)
				return false;
			else
				return true;
		}
		else // Else this is a linear menu, so just go back to the previous panel in our array
		{
			int index = panels.IndexOf(curPanel);

			// If we're at the first index:
			if (index <= 0)
			{
				if(!circular)
				{
					if(advancePastEnd)
					{
						// Send away the current panel:
						if (curPanel != null)
							curPanel.StartTransition(SHOW_MODE.DismissBack);

						curPanel = null;
					}
					return false; // We're already at the beginning
				}
				else
				{
					// Wrap back to the end:
					index = panels.Count;
				}
			}

			// Send away the current panel:
			if (curPanel != null)
				curPanel.StartTransition(SHOW_MODE.DismissBack);

			// Bring in the previous panel:
//.........这里部分代码省略.........

	/// <summary>
	/// Brings in the specified panel in a manner
	/// that portrays the menu moving in the
	/// specified direction.  If "Auto" is specified
	/// for the direction, forward/backward is
	/// determined by comparing the index of the
	/// current panel to the one being brought up.
	/// </summary>
	/// <param name="panel">Reference to the panel to bring up.</param>
	/// <param name="dir">Direction the menu should appear to be moving.
	/// If "Auto" is specified, the direction is determined by comparing
	/// the index of the current panel to the one being brought up.</param>
	public void BringIn(UIPanelBase panel, MENU_DIRECTION dir)
	{
		SHOW_MODE dismissMode;
		SHOW_MODE bringInMode;

		if (curPanel == panel)
			return; // Nothing to do!

		if(dir == MENU_DIRECTION.Auto)
		{
			// See if we can determine the direction:
			if (curPanel != null)
			{
				// Forward
				if (curPanel.index <= panel.index)
					dir = MENU_DIRECTION.Forwards;
				else // Backward
					dir = MENU_DIRECTION.Backwards;
			}
			else // Assume forward:
				dir = MENU_DIRECTION.Forwards;
		}

		dismissMode = ( (dir == MENU_DIRECTION.Forwards) ? (SHOW_MODE.DismissForward) : (SHOW_MODE.DismissBack) );
		bringInMode = ( (dir == MENU_DIRECTION.Forwards) ? (SHOW_MODE.BringInForward) : (SHOW_MODE.BringInBack) );

		// Dismiss the current panel:
		if (curPanel != null)
			curPanel.StartTransition(dismissMode);

		// Bring in the next panel:
		curPanel = panel;
		breadcrumbs.Add(curPanel);
		if (deactivateAllButInitialAtStart && !curPanel.gameObject.active)
		{
			curPanel.Start();
			curPanel.gameObject.SetActiveRecursively(true);
		}
		curPanel.StartTransition(bringInMode);
	}

	/// <summary>
	/// Moves the menu forward to the next panel
	/// in the sequence (determined by panel 
	/// index).  Automatically dismisses the
	/// currently displaying panel using the 
	/// forward mode.
	/// </summary>
	/// <returns>True if the there are more panels 
	/// after this one. False if this is the last 
	/// panel, or if the menu was already at the end.</returns>
	public bool MoveForward()
	{
		int index = panels.IndexOf(curPanel);

		if (index >= panels.Count - 1)
		{
			// See if we should wrap to the beginning:
			if (!circular)
			{
				// See if we should advance past the end:
				if (advancePastEnd)
				{
					// Send away the current panel:
					if (curPanel != null)
						curPanel.StartTransition(SHOW_MODE.DismissForward);

					curPanel = null;

					// Don't add more than one null on the stack:
					if(breadcrumbs.Count > 0)
					{
						if (breadcrumbs[breadcrumbs.Count - 1] != null)
							breadcrumbs.Add(null);
					}
					else
						breadcrumbs.Add(null);
				}
				return false; // We're already at the end
			}
			else
				index = -1; // Wrap back to the beginning
		}

		// Send away the current panel:
		if (curPanel != null)
			curPanel.StartTransition(SHOW_MODE.DismissForward);

		// Bring in the next panel:
		++index;
		curPanel = panels[index];
		breadcrumbs.Add(curPanel);

		if (deactivateAllButInitialAtStart && !curPanel.gameObject.active)
		{
			curPanel.Start();
			curPanel.gameObject.SetActiveRecursively(true);
		}

		curPanel.StartTransition(SHOW_MODE.BringInForward);

		if (index >= panels.Count - 1 && !circular)
			return false;
		else
			return true;
	}