public void SetState(GameState newState)
{
nextState = newState;
}
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
if (nextState != null)
{
currentState = nextState;
currentState.Load();
nextState = null;
}
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
this.Exit();
// TODO: Add your update logic here
if (currentState != null)
currentState.Update(gameTime);
base.Update(gameTime);
}