/// <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();
}
// TODO: Add your update logic here
switch (gameState)
{
case GameStates.TitleScreen:
titleScreenTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
if (titleScreenTimer >= titleScreenDelayTime)
{
if ((Keyboard.GetState().IsKeyDown(Keys.Space)) ||
(GamePad.GetState(PlayerIndex.One).Buttons.A ==
ButtonState.Pressed))
{
playerManager.LivesRemaining = playerStartingLives;
playerManager.PlayerScore = 0;
resetGame();
gameState = GameStates.Playing;
}
}
break;
case GameStates.Playing:
starField.Update(gameTime);
asteroidManager.Update(gameTime);
playerManager.Update(gameTime);
enemyManager.Update(gameTime);
explosionManager.Update(gameTime);
collisionManager.CheckCollisions();
if (playerManager.Destroyed)
{
playerDeathTimer = 0f;
enemyManager.Active = false;
playerManager.LivesRemaining--;
if (playerManager.LivesRemaining < 0)
{
gameState = GameStates.GameOver;
}
else
{
gameState = GameStates.PlayerDead;
}
}
break;
case GameStates.PlayerDead:
playerDeathTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
starField.Update(gameTime);
asteroidManager.Update(gameTime);
enemyManager.Update(gameTime);
playerManager.PlayerShotManager.Update(gameTime);
explosionManager.Update(gameTime);
if (playerDeathTimer >= playerDeathDelayTime)
{
resetGame();
gameState = GameStates.Playing;
}
break;
case GameStates.GameOver:
playerDeathTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
starField.Update(gameTime);
asteroidManager.Update(gameTime);
enemyManager.Update(gameTime);
playerManager.PlayerShotManager.Update(gameTime);
explosionManager.Update(gameTime);
if (playerDeathTimer >= playerDeathDelayTime)
{
gameState = GameStates.TitleScreen;
}
break;
}
base.Update(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)
{
// Allows the game to exit
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
{
this.Exit();
}
// TODO: Add your update logic here
switch (gameState)
{
case GameStates.TitleScreen:
titleScreenTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
if (titleScreenTimer >= titleScreenDelayTime)
{
if ((Keyboard.GetState().IsKeyDown(Keys.Space)) ||
(GamePad.GetState(PlayerIndex.One).Buttons.A ==
ButtonState.Pressed))
{
playerManager.LivesRemaining = playerStartingLives;
playerManager.PlayerScore = 0;
resetGame();
gameState = GameStates.Playing;
}
}
break;
case GameStates.Playing:
for (int i = 0; i < starFields.Count; i++)
{
starFields[i].Update(gameTime);
}
asteroidManager.Update(gameTime);
playerManager.Update(gameTime);
if (gameState != GameStates.BossBattle)
{
enemyManager.Update(gameTime);
}
explosionManager.Update(gameTime);
collisionManager.CheckCollisions();
planetManager.Update(gameTime);
if (playerManager.Destroyed)
{
playerDeathTimer = 0f;
enemyManager.Active = false;
playerManager.LivesRemaining--;
if (playerManager.LivesRemaining < 0)
{
gameState = GameStates.GameOver;
spriteBatch.Draw(Guydish,
new Rectangle(0, 0, this.Window.ClientBounds.Width,
this.Window.ClientBounds.Height),
Color.White);
}
else
{
gameState = GameStates.PlayerDead;
}
}
if (playerManager.PlayerScore >= 1000)
{
gameState = GameStates.BossBattle;
asteroidManager.Clear();
enemyManager.Enemies.Clear();
}
break;
case GameStates.PlayerDead:
playerDeathTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
for (int i = 0; i < starFields.Count; i++)
{
starFields[i].Update(gameTime);
}
asteroidManager.Update(gameTime);
enemyManager.Update(gameTime);
playerManager.PlayerShotManager.Update(gameTime);
explosionManager.Update(gameTime);
planetManager.Update(gameTime);
if (playerDeathTimer >= playerDeathDelayTime)
{
resetGame();
gameState = GameStates.Playing;
}
break;
case GameStates.GameOver:
playerDeathTimer +=
(float)gameTime.ElapsedGameTime.TotalSeconds;
for (int i = 0; i < starFields.Count; i++)
{
starFields[i].Update(gameTime);
}
asteroidManager.Update(gameTime);
enemyManager.Update(gameTime);
playerManager.PlayerShotManager.Update(gameTime);
explosionManager.Update(gameTime);
planetManager.Update(gameTime);
if (playerDeathTimer >= playerDeathDelayTime)
{
gameState = GameStates.TitleScreen;
}
break;
case GameStates.BossBattle:
for (int i = 0; i < starFields.Count; i++)
{
starFields[i].Update(gameTime);
}
playerManager.Update(gameTime);
enemyManager.Update(gameTime);
explosionManager.Update(gameTime);
collisionManager.CheckCollisions();
planetManager.Update(gameTime);
break;
}
base.Update(gameTime);
}
