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XNA 4.0 Game Development by Example: Beginner's Guide - Visual Basic Edition

You're reading from   XNA 4.0 Game Development by Example: Beginner's Guide - Visual Basic Edition Create your own exciting games with Visual Basic and Microsoft XNA 4.0

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Product type Paperback
Published in Dec 2011
Publisher Packt
ISBN-13 9781849692403
Length 424 pages
Edition 1st Edition
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Author (1):
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Kurt Jaegers Kurt Jaegers
Author Profile Icon Kurt Jaegers
Kurt Jaegers
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Table of Contents (16) Chapters Close

XNA 4.0 Game Development by Example – Visual Basic Edition Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introducing XNA Game Studio FREE CHAPTER 2. Flood Control – Underwater Puzzling 3. Flood Control – Smoothing Out the Rough Edges 4. Asteroid Belt Assault – Lost in Space 5. Asteroid Belt Assault – Special Effects 6. Robot Rampage – Multi-Axis Mayhem 7. Robot Rampage – Lots and Lots of Bullets 8. Gemstone Hunter - Put on your Platform Shoes 9. Gemstone Hunter—Standing on your Own Two Pixels Index

Classes used in Flood Control


While it would certainly be possible to simply pile all of the game code into the Game1 class, the result would be difficult to read and manage later on. Instead, we need to consider how to logically divide the game into classes that can manage themselves and help to organize our code.

A good rule of thumb is that a class should represent a single thing or type of thing. If you can say, This object is made up of these other objects, or, This object contains these objects, consider creating classes to represent those relationships.

The Flood Control game contains a game board made up of 80 pipe pieces. We can abstract these pipes as a class called GamePiece and provide it with the code it needs to handle rotation, and provide the code that will display the piece with a rectangle that can be used to pull the sprite off the sprite sheet.

The game board itself can be represented by a GameBoard class, which will handle managing individual GamePiece objects and be responsible...

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