public void Update(CanvasBitmap alienImage, CanvasBitmap shipImage, CanvasBitmap laserImage)//CanvasDrawingSession image)//
{
if (gameOver == false)
{
if (MoveShipLeft(ship.MoveLeft) == true || MoveShipRight(ship.MoveRight) == true)
{
ship.Update();
}
alien.Update();
drawables.Add(ship);
for (int i = 0; i < 10; i++)
{
drawables.Add(AlienList[i]);
}
if (Gamepad.Gamepads.Count > 0)
{
controller = Gamepad.Gamepads.First();
var reading = controller.GetCurrentReading();
if (reading.Buttons.HasFlag(GamepadButtons.A))
{
lasers.ShootLaser(laserImage, ship);
lasers.Update(laserImage);
lasers = new Lasers(lasers.X, lasers.Y, laserImage);
drawables.Add(lasers);
}
}
Collide(lasers, AlienList);
gameOver = HitAll(AlienList); //if gameOver turns true, should quit
if (gameOver == false)
{
int lastAlienToTouch = 0;
for (int index = 1; index <= 10; index++)
{
if (AlienList[index - 1].GotHit == false && AlienList[index - 1].Y == 400)
{
lastAlienToTouch = index - 1;
if (score.LivesLeft == 0)
{
gameOver = true;
}
}
}
}
}
}
