protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
// Set the sharing mode of the graphics device to turn on XNA rendering
SharedGraphicsDeviceManager.Current.GraphicsDevice.SetSharingMode(true);
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(SharedGraphicsDeviceManager.Current.GraphicsDevice);
particleSystem = (Application.Current as App).BackgroundParticleSystem;
base.OnNavigatedTo(e);
if (e.NavigationMode == System.Windows.Navigation.NavigationMode.New)
{
while (NavigationService.CanGoBack)
{
NavigationService.RemoveBackEntry();
}
}
// Start the timer
timer.Start();
isActive = true;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// Set the sharing mode of the graphics device to turn on XNA rendering
SharedGraphicsDeviceManager.Current.GraphicsDevice.SetSharingMode(true);
// Create a new SpriteBatch, which can be used to draw textures.
spriteBatch = new SpriteBatch(SharedGraphicsDeviceManager.Current.GraphicsDevice);
// TODO: use this.content to load your game content here
playerTexture = contentManager.Load <Texture2D>("player");
laserTexture = contentManager.Load <Texture2D>("laser");
starTexture = contentManager.Load <Texture2D>("star");
font = contentManager.Load <SpriteFont>("font");
explosion = contentManager.Load <Texture2D>("explosion0");
gameOverTexture = contentManager.Load <Texture2D>("gameover");
//background = new FlowingBackground(this.contentManager.Load<Texture2D>("sky1"), 0.15f, SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Width, SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Height);
centerX = SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Width / 2;
playerYposition = SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Height - 50;
centerPosition = new Vector2(centerX, SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Height / 2);
player = new Player(playerTexture, centerX, playerYposition, explosion);
enemyHelper = new EnemyHelper(explosion);
endGameScore = new EndGameScore(new Vector2(centerPosition.X, 380), font, gameOverTexture);
if (e.NavigationMode == NavigationMode.Back)
{
elementRenderer = new UIElementRenderer(this, 800, 480);
isGameOver = (bool)PhoneApplicationService.Current.State["isGameOver"];
if (particleSystem == null)
{
particleSystem = (Application.Current as App).BackgroundParticleSystem;
LinkedList <Particle> particles = (LinkedList <Particle>)PhoneApplicationService.Current.State["particles"];
foreach (var item in particles)
{
item.Parent = particleSystem.EmitterList.FirstOrDefault();
}
var emitter = particleSystem.EmitterList.FirstOrDefault();
if (emitter != null)
{
emitter.ActiveParticles = particles;
}
}
if (enemies == null || PhoneApplicationService.Current.State.ContainsKey("enemies"))
{
enemies = (List <Enemy>)PhoneApplicationService.Current.State["enemies"];
enemies = (from en in enemies
select new Enemy(font, en, explosion)).ToList();
}
//if (bullets == null || PhoneApplicationService.Current.State.ContainsKey("bullets"))
//{
// bullets = (List<LaserBullet>)PhoneApplicationService.Current.State["bullets"];
//}
if (PhoneApplicationService.Current.State.ContainsKey("score"))
{
score = (int)PhoneApplicationService.Current.State["score"];
}
if (PhoneApplicationService.Current.State.ContainsKey("wave"))
{
wave = (int)PhoneApplicationService.Current.State["wave"];
}
}
else
{
isGameOver = false;
particleSystem = (Application.Current as App).BackgroundParticleSystem;
}
// Start the timer
timer.Start();
base.OnNavigatedTo(e);
}
