/// <summary>
/// Updates the state of the game. This method checks the GameScreen.IsActive
/// property, so the game will stop updating when the pause menu is active,
/// or if you tab away to a different application.
/// </summary>
public override void Update(GameTime gameTime, bool otherScreenHasFocus,
bool coveredByOtherScreen)
{
base.Update(gameTime, otherScreenHasFocus, false);
// Gradually fade in or out depending on whether we are covered by the pause screen.
if (coveredByOtherScreen)
{
pauseAlpha = Math.Min(pauseAlpha + 1f / 32, 1);
}
else
{
pauseAlpha = Math.Max(pauseAlpha - 1f / 32, 0);
}
if (IsActive) // indicates whether this screen is front most, ie: active
{
//Duplicate and store game time to allow other functions to acccess the game time var.
gameTimeManager.GameTime = gameTime;
// Question related variables initialization
float SecondsPassed = (float)gameTime.ElapsedGameTime.TotalSeconds;
particleEffect.Update(SecondsPassed);
// Update Interactive elements.
textAnim_GameOver.updateTweener(gameTime);
textAnim_GoodJob.updateTweener(gameTime);
if (gameTimeManager.intervalPerQuestionUp(gameTime))
{
generateGameSet();
gameTimeManager.restartQuestionTimeCounter();
}
// Check whether Question is correct first before processing gameTimeManager
if (questionIsCorrect && gameTimeManager.intervalBtwQuestionUp(gameTime))
{
textAnim_GoodJob.Stop();
generateGameSet();
gameTimeManager.restartQuestionTimeCounter();
}
// Each Game has only a fixed time
if (gameTimeManager.intervalPerGameRoundUp(gameTime))
{
textAnim_GameOver.Start();
if (gameTimeManager.pause(gameTime, 6)) // pause to display textAnim to allow user to read.
{
textAnim_GameOver.Stop();
// For now we would indicate that the game is up by simply going back to the main menu.
LoadingScreen.Load(ScreenManager, false, null, new BackgroundScreen(),
new MainMenuScreen());
// Explicitly Reset score, due to singleton property.
GameScoringSystem.Instance.resetScore();
}
}
}
}