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Android Game Programming By Example

By : John Horton

4.4 (9)

Android Game Programming By Example

4.4 (9)

By: John Horton

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.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Player 1 UP

1. Player 1 UP

A closer look at the games

Setting up your development environment

Summary

2. Tappy Defender – First Step

2. Tappy Defender – First Step

Planning the first game

Building the home screen

Coding the game loop

The PlayerShip object

Drawing the scene

Deploying the game

Summary

3. Tappy Defender – Taking Flight

3. Tappy Defender – Taking Flight

Controlling the spaceship

Building the enemies

The thrill of flight – scrolling the background

Things that go bump – collision detection

Summary

4. Tappy Defender – Going Home

4. Tappy Defender – Going Home

Displaying a HUD

Implementing the rules

Ending the game

Adding sound FX

Adding persistence

Iteration

The finished game

Summary

5. Platformer – Upgrading the Game Engine

5. Platformer – Upgrading the Game Engine

The game

Upgrading the game engine

Summary

6. Platformer – Bob, Beeps, and Bumps

6. Platformer – Bob, Beeps, and Bumps

The SoundManager class

Introducing Bob

Multiphase collision detection

Player input

Animating Bob

Summary

7. Platformer – Guns, Life, Money, and the Enemy

7. Platformer – Guns, Life, Money, and the Enemy

Ready aim fire

Summary

8. Platformer – Putting It All Together

8. Platformer – Putting It All Together

Bullet collision detection

Adding some fire tiles

Eye candy

Summary

9. Asteroids at 60 FPS with OpenGL ES 2

9. Asteroids at 60 FPS with OpenGL ES 2

Asteroids simulator

Introducing OpenGL ES 2

Preparing OpenGL ES 2

Building an OpenGL-friendly, GameObject super class

The spaceship

Drawing at 60 + FPS

Summary

10. Move and Draw with OpenGL ES 2

10. Move and Draw with OpenGL ES 2

Drawing a static game border

Twinkling stars

Bringing the spaceship to life

Rapid fire bullets

Reusing existing classes

Drawing and moving the asteroids

Scores and the HUD

Summary

11. Things That Go Bump – Part II

11. Things That Go Bump – Part II

Planning for collision detection

Performing the checks

Precise collision detection with the border

Precise collision detection with an asteroid

Finishing touches

Summary

Index

Index

The game

The game we will build is based on the game play of some of the brutally hard platform games of the '80s, such as Bounty Bob Strikes Back and Impossible Mission. These games featured difficult jumps and required insanely precise timing at the same time as giving the player an unforgiving number of lives/chances. This style of game works well for us because we can actually build a multilevel playable game in just four chapters.

The design of the classes will make it really easy for you to add your own extra features, and game objects or make it slightly less challenging to play should you want to.

The backstory

Our hero Bob, having just returned from a secret mission to destroy an evil scientist at the center of the Earth, finds he is deep underground. Worse, it seems that although he has defeated the evil scientist, it was not in time to save the planet from the powerful guards and deadly flying robot drones that he unleashed.

Bob must make his way from the deep underground fiery...

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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