/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(Color.CornflowerBlue);
IIterator iterator = collection.Iterator();
while (iterator.HasNext())
{
var guiElement = iterator.Next();
guiElement.Accept(_drawVisitor);
}
base.Draw(gameTime);
}
/// <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 (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
// TODO: Add your update logic here
switch (CurrentScreen)
{
case ScreenManager.MainWindow:
collection = mainScreenElements;
break;
case ScreenManager.InputWindow:
collection = inputScreenElements;
break;
case ScreenManager.LabelWindow:
collection = labelScreenElements;
break;
case ScreenManager.Exit:
Exit();
break;
}
IIterator iterator = collection.Iterator();
while (iterator.HasNext())
{
var guiElement = iterator.Next();
guiElement.Accept(_updateVisitor);
}
base.Update(gameTime);
}