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XNA 4 3D Game Development by Example: Beginner's Guide

You're reading from   XNA 4 3D Game Development by Example: Beginner's Guide Create action-packed 3D games with the Microsoft XNA Framework with this book and ebook.

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Product type Paperback
Published in Sep 2012
Publisher Packt
ISBN-13 9781849687089
Length 322 pages
Edition 1st Edition
Languages
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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 3D Game Development by Example Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Introduction to XNA FREE CHAPTER 2. Cube Chaser – A Flat 3D World 3. Cube Chaser – It's A-Mazing! 4. Cube Chaser – Finding Your Way 5. Tank Battles – A War-torn Land 6. Tank Battles – The Big Guns 7. Tank Battles – Shooting Things 8. Tank Battles – Ending the War 9. Mars Runner 10. Mars Runner – Reaching the Finish Line

Time for action – positioning tanks


To position tanks within our game, perform the following steps:

  1. 1. Add the following fields to the declarations area of the TankBattlesGa me class:

    ContentManager p2Content;
    Random rand = new Random();
  2. 2. In the Initialze() method of the TankBattlesGame class, add the following lines right before the call to base.Init ialize():

    p2Content = new ContentManager(this.Services);
    p2Content.RootDirectory = "Content";
  3. 3. Add the StartNewRound() method to the TankBattlesGame class as follows:

    public void StartNewRound()
    {
        tanks.Clear();
    
        Vector3 p1Position = 
            new Vector3(rand.Next(8, 56), 0, rand.Next(8, 56));
        Vector3 p2Position = 
            new Vector3(rand.Next(8, 56), 0, rand.Next(8, 56));
    
        int p1Quadrant = rand.Next(0, 4);
    
        switch (p1Quadrant)
        {
            case 0: 
                p2Position += new Vector3(64, 0, 64);
                break;
    
            case 1: 
                p1Position += new Vector3(64, 0, 0);
                p2Position += new Vector3...
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