/// <summary>
/// Update game
/// </summary>
public void Update(double deltaT)
{
// add new game objects
gameObjects.UnionWith(pendingNewGameObjects);
pendingNewGameObjects.Clear();
if (keyPressed.Contains(Keys.P) && state == GameState.Play)
{
state = GameState.Pause;
ReleaseKey(Keys.P);
System.Threading.Thread.Sleep(1);
}
if (keyPressed.Contains(Keys.P) && state == GameState.Pause)
{
state = GameState.Play;
ReleaseKey(Keys.P);
}
if (state == GameState.Play)
{
// Update each game object
foreach (GameObject gameObject in gameObjects)
{
gameObject.Update(this, deltaT);
}
if (!PlayerShip.IsAlive())
{
state = GameState.Lost;
}
if (!this.enemies.IsAlive())
{
state = GameState.Win;
}
}
if (state == GameState.Lost || state == GameState.Win)
{
if (keyPressed.Contains(Keys.Space))
{
ClearGame();
InitGame(gameSize);
ReleaseKey(Keys.Space);
}
}
// remove dead objects
gameObjects.RemoveWhere(gameObject => !gameObject.IsAlive());
}
/// <summary>
/// Check if the game is over and update the state
/// Look if the ennemy block is in the bunkers line
/// Look if still ennemy alive
/// Look if player still alive
/// </summary>
private void CheckEndGame()
{
foreach (var ship in enemies.EnemyShips)
{
if (ship.Position.Y >= bunkerPosition - 20)
{
playerShip.Lives = 0;
}
}
if (!enemies.IsAlive())
{
state = GameState.Win;
}
if (!playerShip.IsAlive())
{
state = GameState.Lost;
}
if (state != GameState.Pause && state != GameState.Play && keyPressed.Contains(Keys.Space))
{
gameObjects.Clear();
InitGame(gameSize);
ReleaseKey(Keys.Space);
}
}