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Unity Android Game Development by Example Beginner's Guide

You're reading from   Unity Android Game Development by Example Beginner's Guide Absolute beginners to designing games for Android will find this book is their passport to quick results. Lots of handholding and practical exercises using Unity 3D makes learning a breeze.

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Product type Paperback
Published in Dec 2013
Publisher Packt
ISBN-13 9781849692014
Length 320 pages
Edition 1st Edition
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Author (1):
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Thomas James Finnegan Thomas James Finnegan
Author Profile Icon Thomas James Finnegan
Thomas James Finnegan
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Table of Contents (12) Chapters Close

Preface 1. Saying Hello to Unity and Android FREE CHAPTER 2. Looking Good – Graphical Interface 3. The Backbone of Any Game – Meshes, Materials, and Animations 4. Setting the Stage – Camera Effects and Lighting 5. Getting Around – Pathfinding and AI 6. Specialties of the Mobile Device – Touch and Tilt 7. Throwing Your Weight Around – Physics and a 2D Camera 8. Special Effects – Sound and Particles 9. Optimization A. Pop Quiz Answers Index

Time for action – steering the space ship


To steer our ship, we will need to create a single script and apply it to our ship:

  1. To start this off, create a new script and name it TiltSteering.

  2. As with all of our other scripts, we will begin this one with a few variables. The first two variables control the speed with which the ship will rotate as the device is tilted. The second two are going to be used to limit the rotation of the ship. These will determine how tight a circle the player's ship can turn in.

    public float horizRotateSpeed = 7f;
    public float vertRotateSpeed = 3f;
    
    public float horizMax = 60f;
    public float vertMax = 45f;
  3. Next, we will make use of the Update function. We start out by creating a variable to store the ship's current rotation. Next, we have to adjust the rotation. When working with Euler rotations, Unity adjusts values to be between zero and 360. This way, the values are never negative. Anything below zero simply wraps around and starts counting down from 360; anything...

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