private void UpdatePlayerShots(GameTime gameTime)
{
// if we are allowed to fire, add a shot to the list
if (_player != null && InputManager.ControlState.Fire && gameTime.TotalGameTime.TotalMilliseconds - _lastTime > 500)
{
// create a new shot over the ship
PlayerShot ps = new PlayerShot();
ps.Position = new Vector2((_player.Position.X + _player.Width / 2.0f) - ps.Width / 2.0f, _player.Position.Y - ps.Height);
_playerShots.Add(ps);
_lastTime = gameTime.TotalGameTime.TotalMilliseconds;
AudioManager.PlayCue(AudioManager.Cue.PlayerShot);
}
// enumerate the player shots on the screen
for (int i = 0; i < _playerShots.Count; i++)
{
PlayerShot playerShot = _playerShots[i];
playerShot.Update(gameTime);
// if it's off the top of the screen, remove it from the list
if (playerShot.Position.Y + playerShot.Height < 0)
{
_playerShots.RemoveAt(i);
}
}
}
public void Run()
{
const int NUM_ENEMIES = 4;
ConsoleKeyInfo userkey;
Spaceship ship = new Spaceship();
MovingBackground back = new MovingBackground();
Scoreboard sb = new Scoreboard();
Enemy[] enemies = new Enemy[NUM_ENEMIES];
enemies[0] = new EnemyLevel1();
enemies[1] = new EnemyLevel2();
enemies[2] = new EnemyLevel3();
enemies[3] = new EnemyLevel4();
Mothership ms = new Mothership();
PlayerShot shot1 = new PlayerShot(20, 10);
EnemyShot shot2 = new EnemyShot(15, 1);
while (true)
{
// Update elements position and appearance
back.Update();
ms.Update();
ship.Update();
foreach (Enemy e in enemies)
{
e.Update();
}
shot1.Update();
shot2.Update();
// Screen update
Console.Clear();
back.Draw();
sb.Draw();
ms.Draw();
ship.Draw();
foreach (Enemy e in enemies)
{
e.Draw();
}
shot1.Draw();
shot2.Draw();
// Get user input
userkey = Console.ReadKey(true);
switch (userkey.Key)
{
case ConsoleKey.A: ship.MoveLeft(); break;
case ConsoleKey.D: ship.MoveRight(); break;
case ConsoleKey.Escape: return;
}
}
}
private void UpdatePlayerShots(GameTime gameTime)
{
// enumerate the player shots on the screen
for (int i = 0; i < _playerShots.Count; i++)
{
PlayerShot playerShot = _playerShots[i];
playerShot.Update(gameTime);
// if it's off the top of the screen, remove it from the list
if (playerShot.Position.Y + playerShot.Height < 0)
{
_playerShots.RemoveAt(i);
}
}
}
