Beispiel #1
0
        private void frmAsteroids_KeyDown(object sender, KeyEventArgs e)
        {
            // Check escape key
            if (e.KeyData == Keys.Escape) // Escape
            {
                // Escape during a title screen exits the game
                if (gameStatus == Modes.TITLE)
                {
                    gameStatus = Modes.EXIT;
                    Application.Exit();
                }

                // Escape in game goes back to Title Screen
                if (gameStatus == Modes.GAME)
                {
                    score.CancelGame();
                    currTitle  = new TitleScreen();
                    gameStatus = Modes.TITLE;
                }
            }
            else // Not Escape
            {
                // If we are in tht Title Screen, Start a game
                if (gameStatus == Modes.TITLE)
                {
                    score.ResetGame();
                    currGame               = new Game();
                    gameStatus             = Modes.GAME;
                    bLeftPressed           = false;
                    bRightPressed          = false;
                    bUpPressed             = false;
                    bHyperspaceLastPressed = false;
                    bShootingLastPressed   = false;
                    bPauseLastPressed      = false;
                }
                else // In Game
                {
                    // Keydown handled in game

                    // Rotate Left
                    if (e.KeyData == Keys.Left)
                    {
                        bLeftPressed = true;
                    }

                    // Rotate Right
                    if (e.KeyData == Keys.Right)
                    {
                        bRightPressed = true;
                    }

                    // Thrust
                    if (e.KeyData == Keys.Up)
                    {
                        bUpPressed = true;
                    }

                    // Hyperspace (can't be held down)
                    if (!bHyperspaceLastPressed && (e.KeyData == Keys.Down))
                    {
                        bHyperspaceLastPressed = true;
                        currGame.Hyperspace();
                    }

                    // Shooting (can't be held down)
                    if (!bShootingLastPressed && (e.KeyData == Keys.Space))
                    {
                        bShootingLastPressed = true;
                        currGame.Shoot();
                    }

                    // Pause can't be held down)
                    if (!bPauseLastPressed && (e.KeyData == Keys.P))
                    {
                        bPauseLastPressed = true;
                        currGame.Pause();
                    }
                }
            }
        }