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Android Game Programming By Example

You're reading from   Android Game Programming By Example Harness the power of the Android SDK by building three immersive and captivating games

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781785280122
Length 388 pages
Edition 1st Edition
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Author (1):
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John Horton John Horton
Author Profile Icon John Horton
John Horton
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Table of Contents (13) Chapters Close

Preface 1. Player 1 UP FREE CHAPTER 2. Tappy Defender – First Step 3. Tappy Defender – Taking Flight 4. Tappy Defender – Going Home 5. Platformer – Upgrading the Game Engine 6. Platformer – Bob, Beeps, and Bumps 7. Platformer – Guns, Life, Money, and the Enemy 8. Platformer – Putting It All Together 9. Asteroids at 60 FPS with OpenGL ES 2 10. Move and Draw with OpenGL ES 2 11. Things That Go Bump – Part II Index

Asteroids simulator


Our game will be set in a four directional scrolling world that the player will be able to traverse while hunting for asteroids. The world will be enclosed in a rectangular border to keep the asteroids from drifting off too far, and the border will also serve as another hazard for the player to avoid.

The game controls

We will reuse our InputController class with a few simple modifications and can even keep the same button layout. As we will see, however, we will draw the buttons on screen in a very different manner to our retro platformer. Also, instead of walking left and right, the player will rotate the ship left and right through 360 degrees. The jump button will become a thrust toggle switch to turn on and off forward motion, and the shoot button will remain just that. We will also have the pause button in the same place.

Rules for the game

When an asteroid hits the border, it will bounce back into the game world. If the player hits the border, a life will be lost and...

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