public void Update(float deltaTime)
{
parallax.Update(deltaTime);
}
/// <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)
{
switch (gameState)
{
case GameState.Main:
KeyboardState currKeyState = Keyboard.GetState();
menuBackSong.Play();
if (currKeyState.IsKeyDown(Keys.Enter))
{
menuBackSong.Stop(); //Stops the background music in the main menu.
inGameBackSong.Play(); //Plays the in game music.
startSound.Play(); //A sound effect plays telling the game has started.
gameState = GameState.InGame; //Switching game states.
}
else if (currKeyState.IsKeyDown(Keys.H))
{
gameState = GameState.How;
}
break;
case GameState.How:
KeyboardState KeyState = Keyboard.GetState();
if (KeyState.IsKeyDown(Keys.Escape))
{
gameState = GameState.Main;
}
break;
case GameState.InGame:
//Update each part of the game.
UpdateInput();
UpdateTimer(gameTime);
UpdateDifficulty(gameTime);
background.Update(gameTime);
UpdatePlayer(gameTime);
UpdatePlatforms(gameTime);
UpdateBullets(gameTime);
UpdateAsteroids(gameTime);
UpdatePowerDownUps(gameTime);
break;
case GameState.Lose:
KeyboardState currentKeyState = Keyboard.GetState();
if (currentKeyState.IsKeyDown(Keys.Enter))
{
Initialize(); //Reset everything to their default values.
gameState = GameState.InGame;
}
break;
default:
break;
}
base.Update(gameTime);
}