/// <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)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
Vector2 location = playerManager.playerSprite.Location;
//mkaes sure the player does not go outside the screen.
location.X = MathHelper.Clamp(location.X, 0, GraphicsDevice.Viewport.Width - playerManager.playerSprite.Source.Width);
location.Y = MathHelper.Clamp(location.Y, 0, GraphicsDevice.Viewport.Height - playerManager.playerSprite.Source.Height);
playerManager.playerSprite.Location = location;
switch (gameState)
{
case GameStates.TitleScreen:
titleScreenTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
interactiveMusic.cue_titleScreen.begin();
interactiveMusic.eventsystem.update();
//if timer finishes then automatically goes into player state.
if (titleScreenTimer >= titleScreenDelayTime)
{
if ((Keyboard.GetState().IsKeyDown(Keys.Space)) ||
(GamePad.GetState(PlayerIndex.One).Buttons.A
== ButtonState.Pressed))
{
playerManager.Lives = playerStartingLives;
playerManager.PlayerScore = 0;
resetGame();
gameState = GameStates.Playing;
interactiveMusic.musicsystem.setParameterValue(3, 5);
interactiveMusic.eventsystem.update();
}
}
break;
case GameStates.Playing:
space.Update(gameTime);
commandManager.Update();
playerManager.Update(gameTime);
enemyManager.Update(gameTime);
explosionManager.Update(gameTime);
life.Update(gameTime);
collisionManager.CheckCollisions();
interactiveMusic.cue_main.begin();
interactiveMusic.eventsystem.update();
if (playerManager.PlayerScore == 1500)
{
interactiveMusic.musicsystem.setParameterValue(2, 6);
interactiveMusic.eventsystem.update();
}
if (playerManager.PlayerScore == 2500)
{
interactiveMusic.musicsystem.setParameterValue(2, 10);
interactiveMusic.eventsystem.update();
}
if (playerManager.Destroyed)
{
playerDeathTimer = 0f;
enemyManager.Active = false;
playerManager.Lives--;
if (playerManager.Lives < 0)
{
gameState = GameStates.GameOver;
}
else
{
gameState = GameStates.PlayerDead;
}
}
break;
case GameStates.PlayerDead:
playerDeathTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
space.Update(gameTime);
commandManager.Update();
enemyManager.Update(gameTime);
playerManager.Update(gameTime);
explosionManager.Update(gameTime);
life.Update(gameTime);
if (playerDeathTimer >= playerDeathDelayTime)
{
resetGame();
gameState = GameStates.Playing;
}
break;
case GameStates.GameOver:
playerDeathTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
space.Update(gameTime);
commandManager.Update();
enemyManager.Update(gameTime);
playerManager.PlayerShotManager.Update(gameTime);
explosionManager.Update(gameTime);
life.Update(gameTime);
SaveHighScore();
interactiveMusic.cue_main.end();
interactiveMusic.musicsystem.setParameterValue(1, 0);
interactiveMusic.musicsystem.setParameterValue(2, 0);
interactiveMusic.cue_gameOver.begin();
interactiveMusic.eventsystem.update();
if (playerDeathTimer >= playerDeathDelayTime)
{
gameState = GameStates.TitleScreen;
interactiveMusic.cue_gameOver.end();
interactiveMusic.musicsystem.setParameterValue(3, 0);
interactiveMusic.musicsystem.setParameterValue(1, 1);
interactiveMusic.eventsystem.update();
}
break;
}
// TODO: Add your update logic here
base.Update(gameTime);
}
