public void AlienBullet()
{
List <System.Windows.Controls.Image> alien_armoury = new List <System.Windows.Controls.Image> {
AlienBullet1, AlienBullet2, AlienBullet3, AlienBullet4, AlienBullet5
};
foreach (System.Windows.Controls.Image bullet in alien_armoury)
{
if (rnd.Next(0, 50) == 15)
{
if (bullet.Visibility == Visibility.Collapsed)
{
current_alien_bullets.Add(bullet);
int random_margin = rnd.Next(0, (int)Math.Abs((AlienGrid.Margin.Left / 2)));
random_margin = (int)AlienGrid.Margin.Left - random_margin;
if (random_margin % 2 == 0)
{
random_margin = random_margin + (int)AlienGrid.Margin.Left;
}
current_allien_bullet_margins.Add(random_margin);
bullet.Margin = AlienGrid.Margin;
bullet.SetValue(Grid.RowProperty, AlienGrid.GetValue(Grid.RowProperty));
bullet.Visibility = Visibility.Visible;
}
}
}
}
public void MoveAliens()
{
AlienGrid.Margin = new Thickness(AlienGrid.Margin.Left + ship_margin_rate, 0, 0, 0);
if ((int)AlienGrid.GetValue(Grid.RowProperty) == 4)
{
GameOver();
}
if ((int)AlienGrid.Margin.Left == 160 || (int)AlienGrid.Margin.Left == 0 & ship_margin_rate < 0)
{
ChangeRow(AlienGrid, false); ship_margin_rate = ship_margin_rate * -1;
}
}
