Fun With XNA O’Reilly Breakdown (learning xna 4.0 – aaron reed)
XNA And Silverlight
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Transcript of XNA And Silverlight
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XNA and SilverlightAaron Stanley King
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XNA and Silverlight
Free game development toolkit using .NET, C#
Extends Visual Studio 2010 Including the free C#
Express Edition Version 4.0
Cross Platform Input API Enhanced Audio and Video Windows Phone 7
App Hub membership Develop and publish for
Xbox 360 or Windows Phone Unlock your phone to
development and publish to the Zune Marketplace
$99/12 months
Common Base Classes
Windows Phone 7
Silverlight XNA
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Fundementals
Initialize LoadContent Update
DrawUnloadContent
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The Game Loop
while (IsRunning) {
Update(); Draw();
}
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The Content Pipeline
Images, fonts, wav
files, models
Importer
ProcessorCompiled Output
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ScreenManager
screenManager = new ScreenManager(this);
Components.Add(screenManager);
void OptionsMenuEntrySelected(object sender, PlayerIndexEventArgs e) {
ScreenManager.AddScreen(new OptionsMenuScreen(), e.PlayerIndex); }
Architectural Design (decide early if you want more than one ScreenManager)
GameScreen classes are loaded into a ScreenManager ( pretty! ) Simple transitions can be added (Bing for more) GameComponent is very useful as a base class for most parts of
your game
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MSFT.XNA.FW.INPUT
GamePad Buttons ButtonState GamePadDeadZone GamePadType
Keyboard Keys KeyState
Mouse Buttons Position
MSFT.XNA.FW.INPUT.TOUCH
TouchPanel GestureType TouchLocationState
Input API
MSFT.DEVICES.SENSORS Accelerometer
SensorState
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_soundEffect = Content.Load<SoundEffect>("ShotEffect");
var pan = (float)((_rnd.NextDouble() - 0.5) * 2.0);var pitch = (float)((_rnd.NextDouble() - 0.5) * 2.0); var volume = (float)((_rnd.NextDouble() / 2.0) + 0.5);
_soundEffect.Play(volume, pitch, pan);
Audio
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Sorry, no transforms or storyboards Just Draw ( most powerful method in the XNA universe )
public void Draw ( Texture2D texture, Vector2 position, Nullable<Rectangle> sourceRectangle, Color color, float rotation, Vector2 origin, float scale, SpriteEffects effects, float layerDepth
)
Animations
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SilverArcade.SilverSprite.dll SilverArcade.SilverSprite.Core.dll
A little XAML <UserControl x:Class="SilverSprite.Page"
xmlns="http://schem...resentation" xmlns:x="http://schema...xaml" Width="400" Height="300" xmlns:game="clr-namespace:Game"> <Grid x:Name="LayoutRoot" Background="White"> <Canvas> <game:Game1 x:Name="game"/> </Canvas> </Grid> </UserControl>
Add content to your silverlight app (/Content )
Silversprite
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Demo
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Publish your games to Xbox LIVE Marketplace Profit!! 70%/30% baseline split Time-limited trial, no free games Charge 200, 400, or 800 points
150 MB limit for 400 and 800 point games 50 MB limit for 200 point games
You retain all rights and IP (if Microsoft invests in further marketing, they
reserve the right to take 10-30% more)
Xbox LIVE Indie Games
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Publish your games to Windows Phone Marketplace
Profit!! 70%/30% baseline split Free apps are ok Charge $.99 to $499 ( no points )
225 MB limit You retain all rights and IP You can’t charge for updates. It’s not in the
Microsoft marketing strategy.
Windows Phone Marketplace
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INDIE
Develop with XNA
Studio
ARCADE
Leaderboards Achievements Xbox LIVE Rich
Presence Xbox LIVE Multiplayer C++ and Native
DirectX Develop with XNA
Studio
Why not go Pro!
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XNA Futures
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Kinect for Windows SDK ( later this summer )
MSFT.XNA.FW.Input.You
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Aaron Stanley King
Twitter -> @trendoid Gamertag -> HeraldStudios Email -> [email protected]
Wanna play?
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Resources
App Hub Silverlight Show XNA 3.1 to 4.0 Cheat Sheet Silversprite Silver Arcade MonoXNA