XNA项目基础

XNA项目基础

using System;

using System.Collections.Generic;

using System.Linq;

using Microsoft.Xna.Framework;

using Microsoft.Xna.Framework.Audio;

using Microsoft.Xna.Framework.Content;

using Microsoft.Xna.Framework.GamerServices;

using Microsoft.Xna.Framework.Graphics;

using Microsoft.Xna.Framework.Input;

using Microsoft.Xna.Framework.Media;

namespace WindowsGame1

{

public class Game1 : Microsoft.Xna.Framework.Game

{

GraphicsDeviceManager graphics;

SpriteBatch spriteBatch;

SpriteFont FontofTimesNewRoman;

Model model;

Texture2D  texture;

public Game1()

{

graphics = new GraphicsDeviceManager(this);

//屏幕控制

this.graphics.PreferredBackBufferWidth = 1024;

this.graphics.PreferredBackBufferHeight = 768;

this.graphics.IsFullScreen = true;

Content.RootDirectory = "Content";

}

protected override void Initialize()

{

this.IsMouseVisible = true;//鼠标显示

this.Window.AllowUserResizing = true;//允许窗口最大化

base.Initialize();

}

protected override void LoadContent()

{

spriteBatch = new SpriteBatch(GraphicsDevice);

//加载content中的资源

model = Content.Load<Model>("model");

FontofTimesNewRoman = Content.Load<SpriteFont>("FontofTimesNewRoman");

texture = Content.Load<Texture2D>("texture");

}

protected override void UnloadContent()

{

}

protected override void Update(GameTime gameTime)

{

if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)

this.Exit();

//ESC退出

if (Keyboard.GetState().IsKeyDown(Keys.Escape))

this.Exit();

//键盘控制 退出全屏

KeyboardState keyb = Keyboard.GetState();

if (keyb.IsKeyDown(Keys.A))

{

this.graphics.ToggleFullScreen();

}

//鼠标控制 退出全屏

//Mouse.GetState().LeftButton==ButtonState.Pressed

MouseState mouse = Mouse.GetState();

if (mouse.LeftButton == ButtonState.Pressed)

{

this.graphics.ToggleFullScreen();

}

base.Update(gameTime);

}

protected override void Draw(GameTime gameTime)

{

GraphicsDevice.Clear(Color.CornflowerBlue);

spriteBatch.Begin();

//图片显示

spriteBatch.Draw(texture, new Vector2(0, 0), Color.White);

//字体显示

string str = "times:" + gameTime.TotalGameTime.Seconds.ToString();

Vector2 ms = FontofTimesNewRoman.MeasureString(str);

Vector2 position;

position.X = (this.Window.ClientBounds.Width - ms.X) / 2.0f;

position.Y = (this.Window.ClientBounds.Height - ms.Y) / 2.0f;

spriteBatch.DrawString(FontofTimesNewRoman, str, position, Color.BlueViolet);

spriteBatch.End();

//model显示

Matrix world = Matrix.Identity;

Matrix view = Matrix.CreateLookAt(new Vector3(500, 0, 500), Vector3.One, Vector3.Up);

Matrix projection = Matrix.CreatePerspectiveFieldOfView(MathHelper.PiOver4, GraphicsDevice.Viewport.AspectRatio, 0.1f, 500f);

model.Draw(world, view, projection);

base.Draw(gameTime);

}

}

}

注：字体，图片，模型需放到content目录下编译成xnb文件才能使用........