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By Johnson Ma

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Windows Phone 7 Platform

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Windows Phone 7 as a Gaming

Platform

Windows Phone 7 as a gameplatform Attract game companies and

developers Most applications are games!

Apps stat in Marketplace

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Use XNA or Silverlight? Use XNA if you want to:

Shorten development time

Create high performance 3D game Also support Xbox 360

More bitmap based motion and particle effects

Vs

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What is XNA XNA is a cross platform game development and management

framework based on Microsoft .Net runtime

XNA runtime is available for Windows, Windows Phone7 andXbox360

Open source runtimes are available for Linux, Android andMac/IPhone (Mono, MonoTouch by Novell)

XNA framework encapsulates low-level technological details incoding a game, allows developers to focus more on the contentand gaming experience.

The first version released in 2004, latest version is 4.0 (Sep 2010)

http://www.mono-project.com/http://monotouch.net/http://www.mono-project.com/http://monotouch.net/http://monotouch.net/http://www.mono-project.com/

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XNA OverviewAudio Content Graphic Input/Touch

Media Network Storage

Game Logic

Gamer

Service

http://msdn.microsoft.com/en-us/library/microsoft.xna.framework.audio.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.content.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.graphics.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.input.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.media.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.net.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.storage.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.gamerservices.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.gamerservices.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.gamerservices.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.gamerservices.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.gamerservices.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.storage.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.net.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.media.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.input.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.graphics.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.content.aspxhttp://msdn.microsoft.com/en-us/library/microsoft.xna.framework.audio.aspx

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XNA Game Dev (0)

-- Environment Download and installWindows Phone Developer

Tools (Free!).

Visual Studio 2010 Express for Windows Phone

Windows Phone Emulator

Silverlight for Windows Phone

XNA Game Studio 4.0

Expression Blend 4 for Windows Phone

http://www.microsoft.com/express/Phone/http://www.microsoft.com/express/Phone/http://www.microsoft.com/express/Phone/http://www.microsoft.com/express/Phone/http://www.microsoft.com/express/Phone/

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XNA Game Dev(1)

--Game Design Main Menu

What can player see?

What can they choose?What happens next?

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XNA Game Dev(2)

--Game Flow

Initialize

Initializegame objects

load requiredservices

non-graphic

content

Load Content

Load thegraphiccontent inpipe

Update

Calledautomatically

Update world

Process input

Collision

checking

Draw

Draw everycomponent

Game Loop

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XNA Game Dev(3)

--Responding to User InputAPIs to supports Keyboard, Mouse, Gamepad (Xbox

360), TouchPad(Phone)

Multitouch on Windows Phone7 Soft keyboard for Windows Phone

Microphone to capture audio to be used in your game

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XNA Game Dev(4)

--Display Graphic Rendering 2D with Sprites and Text

SpriteBatch: batch operation to draw 2D bitmaps directly tothe screen

Sprite Scaling: hardware accelerated Sprite Font: draw text on screen with pos, color,Rotation, origin and scaling

Rendering 3D with Effects

Pipeline to load resource World, view and projection transforms 3D scene to 2D space Built-in basic effects: transparency, texture, lighting, fog,

specula, diffuse

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XNA and Azure Cloud

Windows Azure storage services

Authentication and authorization

Push notification

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Summary of XNA Benefits Creating high performance game in less time

Cross platform

game logic Rendering and effects

GPU for performance

Support multiplayer games

Game social network --- Xbox live!

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Thank you