Subclass of FContainer that has some cool zoom-in and out effects.

WTAbstractSceneContainer

using UnityEngine;
using System.Collections;

public class WTAbstractSceneContainer : FContainer {
  public SceneType sceneType;
	public SceneType nextSceneType;
	public bool isActive = true;
	public FContainer everythingContainer = new FContainer();

	public FSprite backgroundLayer;

	public WTAbstractSceneContainer() {
		backgroundLayer = new FSprite("whiteSquare");
		backgroundLayer.width = Futile.screen.width * 2;
		backgroundLayer.height = Futile.screen.height * 2;
		backgroundLayer.color = Color.black;
		backgroundLayer.SetPosition(Futile.screen.halfWidth, Futile.screen.halfHeight);
		AddChild(backgroundLayer);

		AddChild(everythingContainer);
	}

	virtual public void EnterScene(bool withZoom = true) {
		isActive = false;
		if (withZoom) {
			everythingContainer.scale = 0;
			everythingContainer.SetPosition(Futile.screen.halfWidth, Futile.screen.halfHeight);
			Go.to(everythingContainer, 0.3f, new GoTweenConfig().floatProp("scale", 1).floatProp("x", 0).floatProp("y", 0).onComplete(HandleFinishedEnteringScene));
		}
		else HandleFinishedEnteringScene(null);
	}

	virtual public void ExitScene(SceneType nextSceneType, float dur = 0.3f, bool withZoom = true, bool withRotation = false) {
		this.nextSceneType = nextSceneType;

		if (withZoom) {
			isActive = false;
			if (withRotation) {
				GoTween startScalingTween = new GoTween(this, 1.0f, new GoTweenConfig().floatProp("scale", 0.7f));
				GoTween finishScalingTween = new GoTween(everythingContainer, dur, new GoTweenConfig().floatProp("scale", 0).floatProp("x", 0).floatProp("y", 0).onComplete(HandleFinishedExitingScene));
				GoTween rotateTween = new GoTween(this, dur, new GoTweenConfig().setEaseType(GoEaseType.SineIn).floatProp("rotation", 360*5, true));
				GoTweenFlow flow = new GoTweenFlow();
				flow.insert(0, startScalingTween);
				flow.insert(1.0f, finishScalingTween);
				flow.insert(1.0f, rotateTween);
				Go.addTween(flow);
				flow.play();
			}
			else {
				Go.to(everythingContainer, dur, new GoTweenConfig().floatProp("scale", 0).floatProp("x", Futile.screen.halfWidth).floatProp("y", Futile.screen.halfHeight).onComplete(HandleFinishedExitingScene));
			}
		}
		else HandleFinishedExitingScene(null);
	}

	virtual public void HandleAppLostFocus() {

	}

	virtual public void HandleAppResumedFocus() {

	}

	virtual public void HandleFinishedEnteringScene(AbstractGoTween tween) {
		isActive = true;
	}

	virtual public void HandleFinishedExitingScene(AbstractGoTween tween) {
		WTMain.SwitchToScene(nextSceneType);
	}

	virtual public void HandleInput() {

	}

	virtual public void HandleUpdate() {

	}

	virtual public void HandleMultiTouch(FTouch[] touches) {

	}
}

// In another class somewhere that stores the current scene, subclass MonoBehaviour and put the following code in:
//  void OnApplicationPause(bool pauseStatus) {
//  	if (currentScene == null) return;
//		
//		if (pauseStatus) currentScene.HandleAppLostFocus();
//		else currentScene.HandleAppResumedFocus();
//	}