public Game()
{
InitializeComponent();
_player = new Player();
_player.DisplayOn(gameCanvas);
_alien = new Alien();
_alien.DisplayOn(gameCanvas);
_bombs = new BombCollection();
_lasers = new LaserCollection();
_animationTimer = new DispatcherTimer
{
Interval = TimeSpan.FromMilliseconds(40)
};
_animationTimer.Tick += animationTimer_Tick;
_animationTimer.Start();
_bombTimer = new DispatcherTimer
{
Interval = TimeSpan.FromSeconds(2)
};
_bombTimer.Tick += bombTimer_Tick;
_bombTimer.Start();
}
public void ShootLaser(LaserCollection lasers)
{
int laserX = X + Width / 2;
int laserY = Y - Height;
Laser laser = new Laser(laserX, laserY, lasers);
laser.DisplayOn(canvas);
}
public Laser(int x, int y, LaserCollection laserCollection)
{
_ellipse = new Ellipse {
Fill = new SolidColorBrush(Colors.Black)
};
_stepSize = 15;
_laserCollection = laserCollection;
X = x;
Y = y;
Width = 5;
Height = 10;
laserCollection.Add(this);
}