private void OnUpdate(object sender, GameTimerEventArgs e)
{
if (isActive)
{
particleSystem.Update(e.ElapsedTime.Milliseconds / 2000f);
}
}
/// <summary>
/// Allows the page to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
private void OnUpdate(object sender, GameTimerEventArgs e)
{
// TODO: Add your update logic here
refreshRate = (int)(1 / ((double)e.ElapsedTime.Milliseconds / 1000d));
if (isGameOver == false)
{
#region key control
var eq = enemies.Where(x => x.FirstCharacter.Equals(keysQueue.Text, StringComparison.OrdinalIgnoreCase) && !String.IsNullOrEmpty(x.FirstCharacter)).FirstOrDefault();
if (eq != null)
{
Debug.WriteLine(String.Format(" shoot {0} keys {1}", eq.FirstCharacter, keysQueue.Count.ToString()));
Shoot(eq);
keysQueue.Clear();
}
else
{
var eqp = enemies.Where(x => x.Text.StartsWith(keysQueue.Text, StringComparison.OrdinalIgnoreCase)).FirstOrDefault();
if (eqp != null)
{
;
}
else
{
keysQueue.Clear();
}
}
#endregion
CreateEnemy();
LaserBullet tmpBullet = null;
foreach (var laserBullet in bullets)
{
if (laserBullet != null)
{
laserBullet.Update();
if (laserBullet.x < 0 || laserBullet.y < 0)
{
//laserBullet = null;
tmpBullet = laserBullet;
}
}
}
bullets.Remove(tmpBullet);
#region collisions
Enemy tmp = null;
foreach (var item in enemies)
{
item.Update();
if (item.position.Y > SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Height)
{
tmp = item;
}
if (item.ShouldBeRemoved)
{
tmp = item;
}
foreach (var laserBullet in bullets)
{
if (laserBullet != null && laserBullet.Bounds.Intersects(item.Bounds))
{
//remove letter form item
item.Hit();
tmpBullet = laserBullet;
score += 20;
}
}
bullets.Remove(tmpBullet);
if (item.Bounds.Intersects(player.Bounds) && item.IsExploding == false)
{
player.Explode();
item.Explode();
playExplodeSound();
}
}
if (tmp != null)
{
enemies.Remove(tmp);
tmp = null;
}
#endregion
#region end game
var enemyToExplode = enemies.Where(x => x.IsExploding == false && x.CenteryY > SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Height - 40).ToList();
if (enemyToExplode.Count > 0)
{
foreach (var item in enemyToExplode)
{
item.Explode();
playExplodeSound();
}
}
if (player.IsExploded || enemies.Any(x => x.IsExploded))
{
//remove all game over
isGameOver = true;
enemies.Clear();
}
#endregion
}
else
{
endGameScore.Update();
var touchCollection = TouchPanel.GetState();
if (touchCollection.Count > 0)
{
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
else
{
NavigationService.Navigate(new Uri("/MainPage.xaml", UriKind.Relative));
}
}
}
player.Update();
particleSystem.Update(e.ElapsedTime.Milliseconds / 2000f);
//background.Update(SharedGraphicsDeviceManager.Current.GraphicsDevice.Viewport.Bounds);
}
