コード例 #1
0
ファイル: GameBase.cs プロジェクト: shonvivier/SpaceShooter
        /// <summary>
        /// The base update loop calls update loops corresponding to the current game state
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values</param>
        protected override void Update(GameTime gameTime)
        {
            // Update the game time
            GameTime = gameTime;

            // Switch over the current state
            switch (State)
            {
            // Call the corresponding update functions for each menu
            case GameState.MainMenu:
                MainMenuScreen.Update();
                break;

            case GameState.Instructions:
                InstructionsScreen.Update();
                break;

            case GameState.ModeSelection:
                ModeSelectionScreen.Update();
                break;

            // Game Modes
            case GameState.ClassicGameplay:
                // Create a new gameplay screen if it is null
                if (gameplayScreen == null)
                {
                    gameplayScreen = new GameplayScreen();
                }

                // Update the gameplay screen
                gameplayScreen.Update();
                break;

            // The gameplay screens are identical and differ only in the EnemyManager (what enemies spawn)
            // and PlayerShip (how the player is controlled), meaning GameplayScreen can be used generically
            // in handling all operations regarding drawing and updating gameplay
            case GameState.FreeGameplay:
                if (gameplayScreen == null)
                {
                    gameplayScreen = new GameplayScreen();
                }

                gameplayScreen.Update();
                break;
            }

            // Check to see if the game state is not in gameplay
            if (State != GameState.ClassicGameplay && State != GameState.FreeGameplay)
            {
                // Set the gameplay screen to null since the player ship controls and enemies are agnostic
                // to the current scene. The gameplay screen prevents updates to the player and enemies but
                // will still draw them unless the gameplay screen is reset entirely
                gameplayScreen = null;
            }

            // Update the root update loop
            base.Update(gameTime);
        }
コード例 #2
0
ファイル: GameBase.cs プロジェクト: shonvivier/SpaceShooter
        /// <summary>
        /// The base draw loop handles drawing all draw loops corresponding to the current game state
        /// </summary>
        /// <param name="gameTime">Provides a snapshot of timing values</param>
        protected override void Draw(GameTime gameTime)
        {
            GraphicsDevice.Clear(Color.Black);

            // Switch based on the current scene
            switch (State)
            {
            // Call each corresponding draw method
            case GameState.MainMenu:
                MainMenuScreen.Draw(spriteBatch);
                break;

            case GameState.Instructions:
                InstructionsScreen.Draw(spriteBatch);
                break;

            case GameState.ModeSelection:
                ModeSelectionScreen.Draw(spriteBatch);
                break;

            // If the gameplayScreen is not defined because the state updates asynchronously from
            // the update loop creating a new instance of gameplayScreen, ignore the current frame
            // and wait until the gameplayScreen is defined
            case GameState.ClassicGameplay:
                if (gameplayScreen != null)
                {
                    gameplayScreen.Draw(spriteBatch);
                }
                break;

            case GameState.FreeGameplay:
                if (gameplayScreen != null)
                {
                    gameplayScreen.Draw(spriteBatch);
                }
                break;
            }
        }
コード例 #3
0
        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            graphics.PreferredBackBufferWidth  = screenWidth;
            graphics.PreferredBackBufferHeight = screenHeight;
            this.IsMouseVisible = true;

            Content.RootDirectory = "Content";
            ScreenRectangle       = new Rectangle(0, 0, screenWidth, screenHeight);

            Components.Add(new InputHandler(this));

            stateManager = new GameStateManager(this);
            Components.Add(stateManager);

            TitleMenuScreen    = new TitleMenuScreen(this, stateManager);
            InstructionsScreen = new InstructionsScreen(this, stateManager);
            GameScreen         = new GameScreen(this, stateManager);
            GameOverScreen     = new GameOverScreen(this, stateManager);
            WinnerScreen       = new WinnerScreen(this, stateManager);

            stateManager.ChangeState(TitleMenuScreen);
        }
コード例 #4
0
 public void OnClickBackToTitleScreen()
 {
     TitleScreen.SetActive(true);
     CreditsScreen.SetActive(false);
     InstructionsScreen.SetActive(false);
 }
コード例 #5
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 public void OnClickInstructions()
 {
     TitleScreen.SetActive(false);
     InstructionsScreen.SetActive(true);
 }
コード例 #6
0
	// Use this for initialization
	void Start () {
		instance = this;
	}
コード例 #7
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	void Awake() {
		instance = this;
	}