/// <summary>
/// Called when the player is killed.
/// </summary>
/// <param name="killedBy">
/// The enemy who killed the player. This is null if the player was not killed by an
/// enemy, such as when a player falls into a hole.
/// </param>
private void OnPlayerKilled(Enemy killedBy)
{
Player.OnKilled(killedBy);
Player2.OnKilled(killedBy);
}
/// <summary>
/// Updates all objects in the world, performs collision between them,
/// and handles the time limit with scoring.
/// </summary>
public void Update(
GameTime gameTime,
KeyboardState keyboardState,
KeyboardState previousKeyboardState,
GamePadState gamePadState,
GamePadState gamePadState2,
DisplayOrientation orientation)
{
// Pause while the player is dead or time is expired.
if (!Player.IsAlive || TimeRemaining == TimeSpan.Zero || !Player2.IsAlive)
{
// Still want to perform physics on the player.
Player.ApplyPhysics(gameTime);
Player2.ApplyPhysics(gameTime);
}
else if (ReachedExit)
{
// Animate the time being converted into points.
int seconds = (int)Math.Round(gameTime.ElapsedGameTime.TotalSeconds * 100.0f);
seconds = Math.Min(seconds, (int)Math.Ceiling(TimeRemaining.TotalSeconds));
timeRemaining -= TimeSpan.FromSeconds(seconds);
//score += seconds * PointsPerSecond;
}
else
{
timeRemaining -= gameTime.ElapsedGameTime;
Player.Update(gameTime, keyboardState, gamePadState, orientation);
Player2.Update(gameTime, keyboardState, gamePadState2, orientation);
UpdateGems(gameTime);
// Falling off the bottom of the level kills the player.
if (Player.BoundingRectangle.Top >= Height * Tile.Height || Player2.BoundingRectangle.Top >= Height * Tile.Height)
{
OnPlayerKilled(null);
}
UpdateCollision();
UpdateProjectiles();
UpdateProjectiles2();
UpdateEnemies(gameTime);
// The player has reached the exit if they are standing on the ground and
// his bounding rectangle contains the center of the exit tile. They can only
// exit when they have collected all of the gems.
if (Player.IsAlive &&
Player.IsOnGround &&
Player.BoundingRectangle.Contains(exit))
{
OnExitReached();
score += 10;
}
if (Player2.IsAlive &&
Player2.IsOnGround &&
Player2.BoundingRectangle.Contains(exit))
{
OnExitReached();
score2 += 10;
}
}
// Clamp the time remaining at zero.
if (timeRemaining < TimeSpan.Zero)
{
timeRemaining = TimeSpan.Zero;
}
if (keyboardState.IsKeyDown(Keys.RightShift) && player1Ammo != 0)
{
if (previousKeyboardState.IsKeyDown(Keys.RightShift) && timeRemaining.Milliseconds % 2 == 1 && timeRemaining.Milliseconds % 3 == 1)
{
AddProjectile(player.Position + new Vector2(player.Width / 2, 0));
UpdateProjectiles();
player1Ammo--;
}
}
if (keyboardState.IsKeyDown(Keys.NumPad0) && player1Ammo != 0)
{
AddProjectile(player.Position + new Vector2(player.Width / 2, 0));
UpdateProjectiles();
player1Ammo--;
}
if (keyboardState.IsKeyDown(Keys.LeftShift) && player2Ammo != 0)
{
if (previousKeyboardState.IsKeyDown(Keys.LeftShift) && timeRemaining.Milliseconds % 2 == 1 && timeRemaining.Milliseconds % 3 == 1)
{
AddProjectile2(player2.Position + new Vector2(player2.Width / 2, 0));
UpdateProjectiles2();
player2Ammo--;
}
}
if (keyboardState.IsKeyDown(Keys.F) && player2Ammo != 0)
{
AddProjectile2(player2.Position + new Vector2(player2.Width / 2, 0));
UpdateProjectiles2();
player2Ammo--;
}
}