分类： C/C++
2008-02-25 15:35:43
private Texture2D backgroundTexture, menuTexture, gameTexture;// Load all our contentthis.backgroundTexture = this.content.Load<Texture2D>("SpaceBackground");this.menuTexture = this.content.Load<Texture2D>("PongMenu");this.gameTexture = this.content.Load<Texture2D>("PongGame");this.spriteBatch.Begin();this.spriteBatch.Draw(this.backgroundTexture, new Rectangle(0, 0, width, height), Color.LightGray);this.spriteBatch.End();private static readonly Rectangle XnaPongLogoRect = new Rectangle(0, 0, 512, 110), MenuSingleplayerRect = new Rectangle(0, 110, 512, 38), MenuMultiplayerRect = new Rectangle(0, 148, 512, 38), MenuExitRect = new Rectangle(0, 186, 512, 38), GameLifesRect = new Rectangle(0, 222, 100, 34), GameRedWonRect = new Rectangle(151, 222, 155, 34), GameBlueWonRect = new Rectangle(338, 222, 165, 34), GameRedPaddleRect = new Rectangle(23, 0, 22, 92), GameBluePaddleRect = new Rectangle(0, 0, 22, 92), GameBallRect = new Rectangle(1, 94, 33, 33), GameSmallBallRect = new Rectangle(37, 108, 19, 19);public static void TestMenuSprites()
{
StartTest( delegate
{ testGame.RenderSprite(testGame.menuTexture, 512-XnaPongLogoRect.Width/2, 150, XnaPongLogoRect); testGame.RenderSprite(testGame.menuTexture, 512-MenuSingleplayerRect.Width/2, 300, MenuSingleplayerRect); testGame.RenderSprite(testGame.menuTexture, 512-MenuMultiplayerRect.Width/2, 350, MenuMultiplayerRect, Color.Orange); testGame.RenderSprite(testGame.menuTexture, 512-MenuExitRect.Width/2, 400, MenuExitRect);
});
} // TestMenuSprites()delegate void TestDelegate();class TestPongGame : PongGame{ TestDelegate testLoop; public TestPongGame(TestDelegate setTestLoop) { testLoop = setTestLoop; } // TestPongGame(setTestLoop) protected override void Draw(GameTime gameTime) { base.Draw(gameTime); testLoop(); } // Draw(gameTime)} // class TestPongGamestatic TestPongGame testGame;static void StartTest(TestDelegate testLoop){ using (testGame = new TestPongGame(testLoop)) { testGame.Run(); } // using} // StartTest(testLoop)public void RenderSprite(Texture2D texture, int x, int y, Rectangle sourceRect, Color color){ // TODO} // RenderSprite(texture, rect, sourceRect)public void RenderSprite(Texture2D texture, int x, int y, Rectangle sourceRect){ // TODO} // RenderSprite(texture, rect, sourceRect)static void Main(string[] args){ // PongGame.StartGame(); PongGame.TestMenuSprites();} // Main(args)public static void StartGame(){ using (PongGame game = new PongGame()) { game.Run(); } // using} // StartGame()class SpriteToRender{ public Texture2D texture; public Rectangle rect; public Rectangle? sourceRect; public Color color; public SpriteToRender(Texture2D setTexture, Rectangle setRect, Rectangle? setSourceRect, Color setColor) { texture = setTexture; rect = setRect; sourceRect = setSourceRect; color = setColor; } // SpriteToRender(setTexture, setRect, setColor)} // SpriteToRenderList<SpriteToRender> sprites = new List<SpriteToRender>();public void RenderSprite(Texture2D texture, Rectangle rect, Rectangle? sourceRect, Color color){ sprites.Add(new SpriteToRender(texture, rect, sourceRect, color));} // RenderSprite(texture, rect, sourceRect, color)public void DrawSprites(){ // No need to render if we got no sprites this frame if (sprites.Count == 0) return; // Start rendering sprites spriteBatch.Begin(SpriteBlendMode.AlphaBlend, SpriteSortMode.BackToFront, SaveStateMode.None); // Render all spritesforeach (SpriteToRender sprite in sprites){ spriteBatch.Draw(sprite.texture, // Rescale to fit resolution new Rectangle( sprite.rect.X * width / 1024, sprite.rect.Y * height / 768, sprite.rect.Width * width / 1024, sprite.rect.Height * height / 768), sprite.sourceRect, sprite.color); } // We are done, draw everything on screen with help of the end method. spriteBatch.End(); // Kill list of remembered sprites sprites.Clear();} // DrawSprites()
public static void TestGameSprites(){ StartTest( delegate { // Show lives testGame.ShowLives(); // Ball in center testGame.RenderBall(); // Render both paddles testGame.RenderPaddles(); });} // TestGameSprites()//PongGame.StartGame();//PongGame.TestMenuSprites();PongGame.TestGameSprites();public void ShowLives(){ // Left players lives RenderSprite(menuTexture, 2, 2, GameLivesRect); for (int num = 0; num < leftPlayerLives; num++) { RenderSprite(gameTexture, 2 + GameLivesRect.Width + GameSmallBallRect.Width * num - 2, 9, GameSmallBallRect); } // Right players lives int rightX = 1024 - GameLivesRect.Width - GameSmallBallRect.Width * 3 - 4; RenderSprite(menuTexture, rightX, 2, GameLivesRect); for (int num = 0; num < rightPlayerLives; num++) { RenderSprite(gameTexture, rightX + GameLivesRect.Width + GameSmallBallRect.Width * num - 2, 9, GameSmallBallRect); }} // ShowLives()public void RenderBall(){ this.RenderSprite(this.gameTexture, (int)((0.5f + 0.9f * this.ballPosition.X) * 1024) - GameBallRect.Width / 2, (int)((0.02f + 0.96f * this.ballPosition.Y) * 768) - GameBallRect.Height / 2, GameBallRect);} // RenderBall()public void RenderPaddles(){ this.RenderSprite(this.gameTexture, (int)(0.05f * 1024) - GameRedPaddleRect.Width / 2, (int)((0.06f + 0.88f * this.leftPaddlePosition) * 768) – GameRedPaddleRect.Height / 2, GameRedPaddleRect); this.RenderSprite(this.gameTexture, (int)(0.95f * 1024) - GameBluePaddleRect.Width / 2, (int)((0.06f + 0.88f * this.rightPaddlePosition) * 768) – GameBluePaddleRect.Height / 2, GameBluePaddleRect);} // RenderPaddles()/**//// /// Current paddle positions, 0 means top, 1 means bottom./// private float leftPaddlePosition = 0.5f, rightPaddlePosition = 0.5f;/**//// /// Current ball position,again from 0 to 1, 0 is left and top, 1 is bottom and right./// private Vector2 ballPosition = new Vector2(0.5f, 0.5f);/**//// /// Ball speed vector, randomized for every new ball./// Will be set to Zero if we are in menu or game is over./// private Vector2 ballSpeedVector = new Vector2(0, 0);
