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  • Book Overview & Buying Android Game Programming By Example
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Android Game Programming By Example

Android Game Programming By Example

By : John Horton
4.4 (9)
Buy this Book
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Android Game Programming By Example

Android Game Programming By Example

4.4 (9)
By: John Horton
Buy this Book

Overview of this book

The book is best suited for existing Android or Java programmers who want to adapt their skills to make exciting Android games. The book is also for determined readers who might have no Android, game programming or even Java experience, but a reasonable understanding of object oriented programming knowledge is assumed.
Table of Contents (13 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Player 1 UP
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1. Player 1 UP
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A closer look at the games
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Setting up your development environment
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Summary
2
2. Tappy Defender – First Step
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2. Tappy Defender – First Step
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Planning the first game
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Building the home screen
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Coding the game loop
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The PlayerShip object
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Drawing the scene
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Deploying the game
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Summary
3
3. Tappy Defender – Taking Flight
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3. Tappy Defender – Taking Flight
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Controlling the spaceship
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Building the enemies
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The thrill of flight – scrolling the background
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Things that go bump – collision detection
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Summary
4
4. Tappy Defender – Going Home
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4. Tappy Defender – Going Home
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Displaying a HUD
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Implementing the rules
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Ending the game
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Adding sound FX
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Adding persistence
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Iteration
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The finished game
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Summary
5
5. Platformer – Upgrading the Game Engine
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5. Platformer – Upgrading the Game Engine
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The game
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Upgrading the game engine
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Summary
6
6. Platformer – Bob, Beeps, and Bumps
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6. Platformer – Bob, Beeps, and Bumps
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The SoundManager class
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Introducing Bob
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Multiphase collision detection
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Player input
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Animating Bob
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Summary
7
7. Platformer – Guns, Life, Money, and the Enemy
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7. Platformer – Guns, Life, Money, and the Enemy
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Ready aim fire
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Summary
8
8. Platformer – Putting It All Together
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8. Platformer – Putting It All Together
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Bullet collision detection
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Adding some fire tiles
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Eye candy
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Summary
9
9. Asteroids at 60 FPS with OpenGL ES 2
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9. Asteroids at 60 FPS with OpenGL ES 2
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Asteroids simulator
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Introducing OpenGL ES 2
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Preparing OpenGL ES 2
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Building an OpenGL-friendly, GameObject super class
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The spaceship
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Drawing at 60 + FPS
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Summary
10
10. Move and Draw with OpenGL ES 2
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10. Move and Draw with OpenGL ES 2
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Drawing a static game border
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Twinkling stars
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Bringing the spaceship to life
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Rapid fire bullets
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Reusing existing classes
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Drawing and moving the asteroids
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Scores and the HUD
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Summary
11
11. Things That Go Bump – Part II
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11. Things That Go Bump – Part II
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Planning for collision detection
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Performing the checks
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Precise collision detection with the border
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Precise collision detection with an asteroid
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Finishing touches
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Summary
12
Index
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Index

Scores and the HUD

The HUD objects will never be rotated. In addition, they are defined in the InputController class based on screen coordinates, not the game world or even Open GL coordinates. Therefore, our GameObject class is not a suitable parent class.

For the sake of simplicity, each of the three HUD classes will have their own draw method. We will see how we draw them at a consistent size and screen position using a new viewport matrix.

Once we have created all three of our HUD classes, we will add all of the object declarations, initializations, and drawing code.

Adding control buttons

The first HUD object we will make a class for, is a simple button.

Note

I am showing all the imports explicitly, as they do not get imported automatically. Note that the next two classes will need these as well. The code is all in the download bundle as usual, if you wish to just copy and paste it.

Create a new class and call it GameButton, then add the following import statements. Be sure to state the correct...

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Android Game Programming By Example
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