MonoGame同步更新Update和绘制Draw
用MonoGame开发游戏，游戏运行过程中Update和Draw通常是不同步的，Update的执行次数通常会多于Draw。如果需要Update和Draw保持同步即执行次数相同（Update一次Draw一次）只需要在游戏主函数Game1.cs的构造函数中加入：
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IsFixedTimeStep = false; graphics.SynchronizeWithVerticalRetrace = true; |
完整代码：
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using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input; namespace Game8 { /// <summary> /// This is the main type for your game. /// </summary> public class Game1 : Game { GraphicsDeviceManager graphics; SpriteBatch spriteBatch; public Game1() { graphics = new GraphicsDeviceManager(this); Content.RootDirectory = "Content"; System.Console.WriteLine("Game1();"); IsFixedTimeStep = false; graphics.SynchronizeWithVerticalRetrace = true; } /// <summary> /// Allows the game to perform any initialization it needs to before starting to run. /// This is where it can query for any required services and load any non-graphic /// related content. Calling base.Initialize will enumerate through any components /// and initialize them as well. /// </summary> protected override void Initialize() { // TODO: Add your initialization logic here System.Console.WriteLine("Initialize();"); base.Initialize(); } /// <summary> /// LoadContent will be called once per game and is the place to load /// all of your content. /// </summary> protected override void LoadContent() { // Create a new SpriteBatch, which can be used to draw textures. spriteBatch = new SpriteBatch(GraphicsDevice); System.Console.WriteLine("LoadContent();"); // TODO: use this.Content to load your game content here } /// <summary> /// UnloadContent will be called once per game and is the place to unload /// game-specific content. /// </summary> protected override void UnloadContent() { // TODO: Unload any non ContentManager content here System.Console.WriteLine("UnloadContent();"); } /// <summary> /// Allows the game to run logic such as updating the world, /// checking for collisions, gathering input, and playing audio. /// </summary> /// <param name="gameTime">Provides a snapshot of timing values.</param> protected override void Update(GameTime gameTime) { if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape)) Exit(); // TODO: Add your update logic here System.Console.WriteLine("Update(GameTime gameTime);"); base.Update(gameTime); } /// <summary> /// This is called when the game should draw itself. /// </summary> /// <param name="gameTime">Provides a snapshot of timing values.</param> protected override void Draw(GameTime gameTime) { GraphicsDevice.Clear(Color.CornflowerBlue); // TODO: Add your drawing code here System.Console.WriteLine("Draw(GameTime gameTime);"); base.Draw(gameTime); } } } |
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