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Swift 3 Game Development

Swift 3 Game Development

By : Haney
4.5 (6)
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Swift 3 Game Development

Swift 3 Game Development

4.5 (6)
By: Haney

Overview of this book

Swift is the perfect choice for game development. Developers are intrigued by Swift 3.0 and want to make use of new features to develop their best games yet. Packed with best practices and easy-to-use examples, this book leads you step by step through the development of your first Swift game. This book starts by introducing SpriteKit and Swift's new features that can be used for game development. After setting up your first Swift project, you will build your first custom class, learn how to draw and animate your game, and add physics simulations. Then, you will add the player character, NPCs, and powerups. To make your game more fun and engaging, you will learn how to set up scenes and backgrounds, build fun menus, and integrate with Apple Game Center to add leaderboards and achievements. You will then make your game stand out by adding animations when game objects collide, and incorporate proven techniques such as the advanced particle system and graphics. Finally, you will explore the various options available to start down the path towards monetization and publish your finished games to the App Store. By the end of this book, you will be able to create your own iOS games using Swift and SpriteKit.
Table of Contents (14 chapters)
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Pushing Pierre forward


This style of game usually moves the world forward at a constant speed. Rather than applying force or impulse, we can manually set a constant velocity for Pierre during every update. Open the Player.swift file and add this code at the bottom of the update function:

// Set a constant velocity to the right: 
self.physicsBody?.velocity.dx = 200 

Run the project. Our protagonist penguin will move forward, past the swarm of bees and through the world. This works well, but you will quickly notice that the ground runs out as Pierre moves forward, as shown in this screenshot:

Recall that our ground is only as wide as the screen width multiplied by six. Rather than extending the ground further, we will move the ground's position at well-timed intervals. Since the ground is made from repeating tiles, there are many opportunities to jump its position forward seamlessly. We simply need to figure out when the player has travelled the correct distance.

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