windows phone模拟器安卓版_安卓模拟器win7

C#

public override void Update(GameTime gameTime, bool otherScreenHasFocus,

                  bool coveredByOtherScreen)

{

   base.Update(gameTime, otherScreenHasFocus, false);

}

C#

public override void Draw(GameTime gameTime)

{

   SpriteBatch spriteBatch = ScreenManager.SpriteBatch;

   // Make the menu slide into place during transitions, using a

   // power curve to make things look more interesting (this makes

   // the movement slow down as it nears the end).

   float transitionOffset =      (float)Math.Pow(TransitionPosition, 2);

   spriteBatch.Begin();

   // Draw Background

   spriteBatch.Draw(background, new Vector2(0, 0),

     new Color(255, 255, 255, TransitionAlpha));

   // Draw Title

   spriteBatch.Draw(title, new Vector2(60, 55),

     new Color(255, 255, 255, TransitionAlpha));

   spriteBatch.End();

}

Note: 要创建一个新的类，在解决方案资源管理器中右键单击 AlienGame 项目并选择Add | Class.

C#

using AlienGameSample;

using Microsoft.Xna.Framework;

using Microsoft.Xna.Framework.Graphics;

using Microsoft.Xna.Framework.Audio;

using System.IO.IsolatedStorage;

using System.IO;

C#

class GameplayScreen : GameScreen

{

}

C#

//

// Game Play Members

//

Rectangle worldBounds;

bool gameOver;

int baseLevelKillCount;

int levelKillCount;

float alienSpawnTimer;

float alienSpawnRate;

float alienMaxAccuracy;

float alienSpeedMin;

float alienSpeedMax;

int alienScore;

int nextLife;

int hitStreak;

int highScore;

Random random;

//

// Rendering Members

//

Texture2D cloud1Texture;

Texture2D cloud2Texture;

Texture2D sunTexture;

Texture2D moonTexture;

Texture2D groundTexture;

Texture2D tankTexture;

Texture2D alienTexture;

Texture2D badguy_blue;

Texture2D badguy_red;

Texture2D badguy_green;

Texture2D badguy_orange;

Texture2D mountainsTexture;

Texture2D hillsTexture;

Texture2D bulletTexture;

Texture2D laserTexture;

SpriteFont scoreFont;

SpriteFont menuFont;

Vector2 cloud1Position;

Vector2 cloud2Position;

Vector2 sunPosition;

// Level changes, nighttime transitions, etc

float transitionFactor; // 0.0f == day, 1.0f == night

float transitionRate; // > 0.0f == day to night

ParticleSystem particles;

//

// Audio Members

//

SoundEffect alienFired;

SoundEffect alienDied;

SoundEffect playerFired;

SoundEffect playerDied;

//Screen dimension consts

const float screenHeight = 800.0f;

const float screenWidth = 480.0f;

const int leftOffset = 25;

const int topOffset = 50;

const int bottomOffset = 20;

C#

public GameplayScreen()

{

   random = new Random();

   worldBounds = new Rectangle(0, 0, (int)screenWidth, (int)screenHeight);

   gameOver = true;

   TransitionOnTime = TimeSpan.FromSeconds(0.0);

   TransitionOffTime = TimeSpan.FromSeconds(0.0);

}

C#

public override void LoadContent()

{

    cloud1Texture = ScreenManager.Game.Content.Load<Texture2D>(“cloud1”);

    cloud2Texture = ScreenManager.Game.Content.Load<Texture2D>(“cloud2”);

    sunTexture = ScreenManager.Game.Content.Load<Texture2D>(“sun”);

    moonTexture = ScreenManager.Game.Content.Load<Texture2D>(“moon”);

    groundTexture = ScreenManager.Game.Content.Load<Texture2D>(“ground”);

    tankTexture = ScreenManager.Game.Content.Load<Texture2D>(“tank”);

    mountainsTexture = ScreenManager.Game.Content.Load<Texture2D>(“mountains_blurred”);

    hillsTexture = ScreenManager.Game.Content.Load<Texture2D>(“hills”);

    alienTexture = ScreenManager.Game.Content.Load<Texture2D>(“alien1”);

    badguy_blue = ScreenManager.Game.Content.Load<Texture2D>(“badguy_blue”);

    badguy_red = ScreenManager.Game.Content.Load<Texture2D>(“badguy_red”);

    badguy_green = ScreenManager.Game.Content.Load<Texture2D>(“badguy_green”);

    badguy_orange = ScreenManager.Game.Content.Load<Texture2D>(“badguy_orange”);

    bulletTexture = ScreenManager.Game.Content.Load<Texture2D>(“bullet”);

    laserTexture = ScreenManager.Game.Content.Load<Texture2D>(“laser”);

    alienFired = ScreenManager.Game.Content.Load<SoundEffect>(“Tank_Fire”);

    alienDied = ScreenManager.Game.Content.Load<SoundEffect>(“Alien_Hit”);

    playerFired = ScreenManager.Game.Content.Load<SoundEffect>(“Tank_Fire”);

    playerDied = ScreenManager.Game.Content.Load<SoundEffect>(“Player_Hit”);

    scoreFont = ScreenManager.Game.Content.Load<SpriteFont>(“ScoreFont”);

    menuFont = ScreenManager.Game.Content.Load<SpriteFont>(“MenuFont”);

    cloud1Position = new Vector2(224 – cloud1Texture.Width, 32);

    cloud2Position = new Vector2(64, 80);

    sunPosition = new Vector2(16, 16);

    particles = new ParticleSystem(ScreenManager.Game.Content, ScreenManager.SpriteBatch);

    base.LoadContent();

}

C#

public override void UnloadContent()

{

    particles = null;

    base.UnloadContent();

}

Note: 我们将在做游戏逻辑的时候再来修改他。

C#

/// <summary>

/// Runs one frame of update for the game.

/// </summary>

/// <param name=”gameTime”>Provides a snapshot of timing values.</param>

public override void Update(GameTime gameTime,

bool otherScreenHasFocus, bool coveredByOtherScreen)

{

   float elapsed =  (float)gameTime.ElapsedGameTime.TotalSeconds;

   base.Update(gameTime, otherScreenHasFocus,    coveredByOtherScreen);

}

C#

/// <summary>

/// Draw the game world, effects, and HUD

/// </summary>

/// <param name=”gameTime”>The elapsed time since last Draw</param>

public override void Draw(GameTime gameTime)

{

   float elapsedTime = (float)gameTime.ElapsedGameTime.TotalSeconds;

   ScreenManager.SpriteBatch.Begin();

   ScreenManager.SpriteBatch.End();

}

Note: The GameTime could be used to calculate the drawing locations of various game items.

C#

void StartGameMenuEntrySelected(object sender, EventArgs e)

{

    ScreenManager.AddScreen(new GameplayScreen());

}

Note: 现在游戏的场景你还看不到，不过不要紧，明天我们就开始了，加油！！