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Swift Game Development

You're reading from   Swift Game Development Learn iOS 12 game development using SpriteKit, SceneKit and ARKit 2.0

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Product type Paperback
Published in Sep 2018
Publisher Packt
ISBN-13 9781788471152
Length 434 pages
Edition 3rd Edition
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Authors (2):
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Siddharth Shekar Siddharth Shekar
Author Profile Icon Siddharth Shekar
Siddharth Shekar
Stephen Haney Stephen Haney
Author Profile Icon Stephen Haney
Stephen Haney
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Toc

Table of Contents (20) Chapters Close

Preface 1. Designing Games with Swift 2. Sprites, Camera, Action! FREE CHAPTER 3. Mix in the Physics 4. Adding Controls 5. Spawning Enemies, Coins, and Power-Ups 6. Generating a Never-Ending World 7. Implementing Collision Events 8. Polishing to a Shine – HUD, Parallax Backgrounds, Particles, and More 9. Adding Menus and Sounds 10. Standing out in the Crowd with Advanced Features 11. Introduction to SceneKit 12. Choosing a Monetization Strategy 13. Integrating with Game Center 14. Introduction to Spritekit with ARKit 15. Introduction to Scenekit with ARKit 16. Publishing the Game on the App Store 17. Multipeer Augmented Reality Other Books You May Enjoy Index

Fine-tuning gravity


Before we test out our new flying code, we need to make one adjustment. The default gravity setting of 9.8 feels too real. Pierre lives in a cartoon world; real-world gravity is a bit of a drag. We can adjust gravity in the GameScene class; add this line at the bottom of the didMove function:

// Set gravity 
self.physicsWorld.gravity = CGVector(dx: 0, dy: -5) 
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