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React Native Blueprints

You're reading from   React Native Blueprints Create eight exciting native cross-platform mobile applications with JavaScript

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781787288096
Length 346 pages
Edition 1st Edition
Languages
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Author (1):
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Emilio Rodriguez Martinez Emilio Rodriguez Martinez
Author Profile Icon Emilio Rodriguez Martinez
Emilio Rodriguez Martinez
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Toc

Table of Contents (9) Chapters Close

Preface 1. Shopping List FREE CHAPTER 2. RSS Reader 3. Car Booking App 4. Image Sharing App 5. Guitar Tuner 6. Messaging App 7. Game 8. E-Commerce App

Overview


The game we will build in this chapter has simple mechanics:

  • The goal is to help a parrot fly between rocks in a cave
  • Tapping the screen will result in the parrot flying higher
  • Gravity will pull the parrot toward the ground 
  • Any collision between the parrot and the rocks or the ground will result in the end of the game
  • The score will be increased every time the parrot flies through a group of rocks

This kind of game is very well suited to being built with React Native, as it doesn't really need complex animations or physics capabilities. All we need to be sure of is that we move every sprite (graphics component) on the screen at the correct time to create the feeling of continuous animation.

Let's take a look at the initial screen for our game: 

This screen presents the logo and instructions about how to get the game started. In this case, a simple tap will start up the game mechanics causing the parrot to fly forward and up on every tap.

The player must help our parrot to fly through the...

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