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Build and deploy an endless runner game for the web from scratch through this helpful guide with key images printed in color

Learn how to use Rust for web development with WebAssembly

Explore modern game development and programming techniques to build 2D games using Rust

Description

The Rust programming language has held the most-loved technology ranking on Stack Overflow for 6 years running, while JavaScript has been the most-used programming language for 9 years straight as it runs on every web browser. Now, thanks to WebAssembly (or Wasm), you can use the language you love on the platform that's everywhere. This book is an easy-to-follow reference to help you develop your own games, teaching you all about game development and how to create an endless runner from scratch. You'll begin by drawing simple graphics in the browser window, and then learn how to move the main character across the screen. You'll also create a game loop, a renderer, and more, all written entirely in Rust. After getting simple shapes onto the screen, you'll scale the challenge by adding sprites, sounds, and user input. As you advance, you'll discover how to implement a procedurally generated world. Finally, you'll learn how to keep your Rust code clean and organized so you can continue to implement new features and deploy your app on the web. By the end of this Rust programming book, you'll build a 2D game in Rust, deploy it to the web, and be confident enough to start building your own games.

Who is this book for?

This game development book is for developers interested in Rust who want to create and deploy 2D games to the web. Game developers looking to build a game on the web platform using WebAssembly without C++ programming or web developers who want to explore WebAssembly along with JavaScript web will also find this book useful. The book will also help Rust developers who want to move from the server side to the client side by familiarizing them with the WebAssembly toolchain. Basic knowledge of Rust programming is assumed.

What you will learn

Build and deploy a Rust application to the web using WebAssembly

Use wasm-bindgen and the Canvas API to draw real-time graphics

Write a game loop and take keyboard input for dynamic action

Explore collision detection and create a dynamic character that can jump on and off platforms and fall down holes

Manage animations using state machines

Generate levels procedurally for an endless runner

Load and display sprites and sprite sheets for animations

Test, refactor, and keep your code clean and maintainable

What do you get with a Packt Subscription?

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50+ new titles added per month, including many first-to-market concepts and exclusive early access to books as they are being written.

Innovative learning tools, including AI book assistants, code context explainers, and text-to-speech.

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Game Development with Rust and WebAssembly

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POE Apr 29, 2022

As a seasoned game developer, this title intrigued me. After reading the book, my skepticism waned. The author does a great job of showing readers how to create 2D games with Rust and WebAssembly. The book does assume readers are at least somewhat familiar with Rust. If you are not, I recommend reviewing the rust-lang.org site before reading the book.The book is well organized and starts with project setup. This entails using the WebAssembly toolchain. This setup serves as a foundation for later chapters. Typical 2D objects and game mechanics are explored this well-written book that include drawing and animating sprites, game loops, state machines, collisions, and audio. More advanced coverage includes implementing a game canvas, performance optimization, and testing and debugging.Perhaps, the best characteristic of this book is that all code is thoroughly explained. So, this is not just another book with mostly source code. You can download the source code and following along with the book. The author provides clear explanations of the featured development concepts and resultant code.

Amazon Verified review

Tiny May 04, 2022

Have you ever played a game offered through a website, and thought, I could do better? Have you looked at the mechanics and wondered how everything was accomplished? In either case, this is the book for you. Erik Smith does a great job of offering a step-by-step solution to use Rust and Web Assembly to write your own 2D platformers. This is for those who have a basic knowledge of Rust, and web design, and looking for a chance to improve those skills. He steps from basic knowledge, through implementing graphics and endless runners, to considering those special skills one needs to move to continuous deployment and have millions play your game. Millions might be a stretch but this text certainly offers all the basic tools for success. The first section deals with implementing your own Rust instantiation, using WebAssembly to convert and compile files. He works through the basics of drawing through constructing your own images and then using libraries to sequence those images in the game. After all, you don’t want a static construct but one that alternates between various steps as movement occurs. The drawing tools occur at the basic level but teach you how to integrate those into sheets and use them multiple times. The next section is where the magic happens. Smith details the easy steps to building collision, and collision avoidance through using rectangles so game objects can interact with each other and create results. The basic steps of object and character then build into integrating backgrounds, making systems work in the background, and building the endless runner so your game doesn’t have to stop. Step by step rust code is included, with clear GitHub links to check your code. In addition, he steps through the early process and identifies potential errors to help remove smells from your code. Finally, the text builds into those advanced steps, using Rust to test and debug the game so overall performance doesn’t suffer. He offers tips on how to make your personal code in a continuous deployment manner so all those new improvements make it direct to your customer. Finally, he offers some advanced steps to move beyond the code in the book, and improve the sample game with clear challenges. This was a great book, clearly written and well demonstrated at every step. The code was usable, the awareness of error messages helped alleviate common problems, and the GitHub solutions offer a sneak peek for when you get stuck. I recommend the book to anyone interested in creating their own 2D platformer, or in simply learning more about Rust applications.

Carlos Hernandez Apr 29, 2022

Every time I buy a book, I always ask myself: is this for entertainment purposes or to learn. CS Books almost certainly fall in the latter category, and "Game Development with Rust and WebAssembly" even more is an example of a great reference book to have. There are certainly resources out there on the web that allow a user to learn how to develop games with Rust; however, after seeing the contents of this book, it was clear that this was the book to use for Rust-Wasm games. I particularly enjoyed the later chapters on audio. My only complaint was how the code blocks were printed, but it makes sense that there had to be some compromises as the book had colored pictures to guide users along. Overall, it is a great reference book that I will be using in my future projects. 4.5 / 5

jorjun Jul 29, 2022

Javascript is not rigorous with respect to types and function return results, Rust certainly is. Therefore in interface between the two - needed until major native API work is completed - much of the labour in producing web assembly with Rust is being explicit when javascript is using magic. And to to this requires deep system knowledge that detracts from the game development objective. But super pleased that this book exists and it is a pioneering work that deserves celebration.

Bryan Jul 02, 2023

This book starts at chapter 3. There is no introduction, no table of contents … nothing; literally the first page of the book is the introduction to chapter 3; which references the foundations laid in previous chapters.I don’t know if this is a printing error, but the book is, quite literally, incomplete.

Game Development with Rust and WebAssembly: Learn how to run Rust on the web while building a game

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