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Game Development with Swift

By : Stephen Haney

4.6 (14)

Game Development with Swift

4.6 (14)

By: Stephen Haney

Overview of this book

If you wish to create and publish fun iOS games using Swift, then this book is for you. You should be familiar with basic programming concepts. However, no prior game development or Apple ecosystem experience is required.

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. Designing Games with Swift

1. Designing Games with Swift

Why you will love Swift

Are there any downsides to Swift?

Prerequisites

What you will learn in this book

Further research

Setting up your development environment

Creating our first Swift game

Summary

2. Sprites, Camera, Actions!

2. Sprites, Camera, Actions!

Sharpening our pencils

Checkpoint 2- A

Drawing your first sprite

The story on positioning

Adding textures and game art

Organizing your assets

Putting it all together

Centering the camera on a sprite

Checkpoint 2-B

Summary

3. Mix in the Physics

3. Mix in the Physics

Laying the foundation

Exploring the physics system

Checkpoint 3-A

Exploring physics simulation mechanics

Bee meets bee

Checkpoint 3-B

Summary

4. Adding Controls

4. Adding Controls

Retrofitting the Player class for flight

Polling for device movement with Core Motion

Checkpoint 4-A

Wiring up the sprite onTap events

Teaching our penguin to fly

Improving the camera

Pushing Pierre forward

Checkpoint 4-B

Summary

5. Spawning Enemies, Coins, and Power-ups

5. Spawning Enemies, Coins, and Power-ups

Introducing the cast

Organizing the project navigator

Testing the new game objects

Checkpoint 5-A

Summary

6. Generating a Never-Ending World

6. Generating a Never-Ending World

Designing levels with the SpriteKit scene editor

Encounters in endless flying

Integrating scenes into the game

Checkpoint 6-A

Spawning endless encounters

Spawning the star power-up at random

Checkpoint 6-B

Summary

7. Implementing Collision Events

7. Implementing Collision Events

Learning the SpriteKit collision vocabulary

Adding contact events to our game

Checkpoint 7-A

Player health and damage

Collecting coins

The power-up star logic

Checkpoint 7-B

Summary

8. Polishing to a Shine – HUD, Parallax Backgrounds, Particles, and More

8. Polishing to a Shine – HUD, Parallax Backgrounds, Particles, and More

Adding a heads-up display

Parallax background layers

Checkpoint 8-A

Harnessing SpriteKit's particle system

Granting safety as the game starts

Checkpoint 8-B

Summary

9. Adding Menus and Sounds

9. Adding Menus and Sounds

Building the main menu

Adding the restart game menu

Checkpoint 9-A

Adding music and sound

Checkpoint 9-B

Summary

10. Integrating with Game Center

10. Integrating with Game Center

Registering an app with iTunes Connect

Authenticating the player's Game Center account

Opening Game Center in our game

Checkpoint 10-A

Adding a leaderboard of high scores

Adding an achievement

Checkpoint 10-B

Summary

11. Ship It! Preparing for the App Store and Publication

11. Ship It! Preparing for the App Store and Publication

Finalizing assets

Finalizing iTunes Connect information

Uploading our project from Xcode

Submitting for review in iTunes Connect

Summary

Index

Index

Chapter 2. Sprites, Camera, Actions!

Drawing with SpriteKit is a breeze. We are free to focus on building great gameplay experiences while SpriteKit performs the mechanical work of the game loop. To draw an item to the screen, we create a new instance of a SpriteKit node. These nodes are simple; we attach a child node to our scene, or to existing nodes, for each item we want to draw. Sprites, particle emitters, and text labels are all considered nodes in SpriteKit.

Note

The game loop is a common game design pattern used to constantly update the game many times per second, and to maintain the same gameplay speed on fast or slow hardware.

SpriteKit wires new nodes into the game loop automatically. As you gain expertise with SpriteKit, you may wish to explore the game loop further to understand what is going on "under the hood".

The topics in this chapter include:

Preparing your project
Drawing your first sprite
Animation: movement, scaling, and rotation
Working with textures
Organizing...

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