public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
// Frame rate is 30 fps by default for Windows Phone.
TargetElapsedTime = TimeSpan.FromTicks(333333);
// Extend battery life under lock.
InactiveSleepTime = TimeSpan.FromSeconds(1);
manager = SceneManager.GetInstance(this);
}
public static SceneManager GetInstance(Microsoft.Xna.Framework.Game game)
{
if (manager == null)
manager = new SceneManager(game);
return manager;
}