public void Update(float timeStamp)
{
if (!Started)
{
return;
}
_gameTime.TotalTime = timeStamp;
UpdateBombs();
UpdateAliens();
UpdateShots();
if (_aliens.All(_ => _.Destroyed))
{
_gameSpeed += 0.75;
_aliens.Clear();
for (int i = 0; i < 11; i++)
{
_aliens.Add(new Alien(AlienType.Squid, new Point((i * 60 + 120), 100), i, 0));
_aliens.Add(new Alien(AlienType.Crab, new Point((i * 60 + 120), 145), i, 1));
_aliens.Add(new Alien(AlienType.Crab, new Point((i * 60 + 120), 190), i, 2));
_aliens.Add(new Alien(AlienType.Octopus, new Point((i * 60 + 120), 235), i, 3));
_aliens.Add(new Alien(AlienType.Octopus, new Point((i * 60 + 120), 270), i, 4));
}
}
if (_motherShip == null && _random.Next(100) > 90)
{
_motherShip = new MotherShip(new Point(_width, 80));
}
}
public void Update(float timeStamp)
{
if (!Started)
{
return;
}
_gameTime.TotalTime = timeStamp;
UpdateBombs();
UpdateAliens();
UpdateShots();
if (_aliens.All(_ => _.Destroyed))
{
Won = true;
}
if (_motherShip == null && _random.Next(100) > 90)
{
_motherShip = new MotherShip(new Point(_width, 80));
}
}
private void UpdateAliens()
{
if (_gameTime.TotalTime - _lastUpdate > 250)
{
_lastUpdate = _gameTime.TotalTime;
if (_aliens.Any(_ => (_.CurrentPosition.X + 80) >= (_width - 10)) && _currentMovement == Direction.Right)
{
_aliens.ForEach(_ => _.MoveDown());
_currentMovement = Direction.Left;
}
else if (_aliens.Any(_ => _.CurrentPosition.X <= 15) && _currentMovement == Direction.Left)
{
_aliens.ForEach(_ => _.MoveDown());
_currentMovement = Direction.Right;
}
else
{
_aliens.ForEach(_ => _.MoveHorizontal(_currentMovement));
}
_aliens.Where(_ => _.HasBeenHit).ToList().ForEach(_ => _.Destroyed = true);
if (_aliens.Any(_ => !_.Destroyed && _player.Collision(_)) || Aliens.Any(_ => !_.Destroyed && _.CurrentPosition.Y > 500))
{
_lives = 0;
GameOver = true;
}
if (_motherShip?.Destroyed ?? false)
{
_motherShip = null;
}
if (_motherShip?.HasBeenHit ?? false)
{
_motherShip.Destroyed = true;
}
}
}
private async Task RenderGameFrame()
{
if (_lostALife)
{
var text = $"You where hit, lost a life!";
var length = await _context.MeasureTextAsync(text);
await _context.SetFillStyleAsync("red");
await _context.FillTextAsync(text, _width / 2 - (length.Width / 2), 55);
await _context.SetFillStyleAsync("white");
}
foreach (var a in Aliens)
{
if (a.Destroyed)
{
continue;
}
await _context.DrawImageAsync(_spriteSheet,
a.Sprite.TopLeft.X, a.Sprite.TopLeft.Y, a.Sprite.Size.Width, a.Sprite.Size.Height, a.CurrentPosition.X, a.CurrentPosition.Y, a.Sprite.RenderSize.Width, a.Sprite.RenderSize.Height);
}
var ship = Player.Sprite;
await _context.DrawImageAsync(_spriteSheet,
ship.TopLeft.X, ship.TopLeft.Y, ship.Size.Width, ship.Size.Height, Player.CurrentPosition.X, Player.CurrentPosition.Y, ship.RenderSize.Width, ship.RenderSize.Height);
foreach (var s in _shots.Where(_ => !_.Remove))
{
if (s.CurrentPosition.Y <= 0)
{
s.Remove = true;
continue;
}
await _context.DrawImageAsync(_spriteSheet,
s.Sprite.TopLeft.X, s.Sprite.TopLeft.Y, s.Sprite.Size.Width, s.Sprite.Size.Height, s.CurrentPosition.X, s.CurrentPosition.Y, s.Sprite.RenderSize.Width, s.Sprite.RenderSize.Height);
}
foreach (var b in _bombs.Where(_ => !_.Remove))
{
if (b.CurrentPosition.Y >= _height)
{
b.Remove = true;
continue;
}
var x = b.Sprite.Size;
var y = b.Sprite.RenderSize;
await _context.DrawImageAsync(_spriteSheet,
b.Sprite.TopLeft.X, b.Sprite.TopLeft.Y, b.Sprite.Size.Width, b.Sprite.Size.Height, b.CurrentPosition.X, b.CurrentPosition.Y, b.Sprite.RenderSize.Width, b.Sprite.RenderSize.Height);
}
if (_motherShip != null)
{
if (!_motherShip.HasBeenHit)
{
_motherShip.Move();
}
if (_motherShip.CurrentPosition.X < 0)
{
_motherShip = null;
}
else
{
await _context.DrawImageAsync(_spriteSheet,
_motherShip.Sprite.TopLeft.X, _motherShip.Sprite.TopLeft.Y, _motherShip.Sprite.Size.Width, _motherShip.Sprite.Size.Height, _motherShip.CurrentPosition.X, _motherShip.CurrentPosition.Y, _motherShip.Sprite.RenderSize.Width, _motherShip.Sprite.RenderSize.Height); //TODO: Remove hardcoded sizes
}
}
}