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HTML5 and WebAssembly

In this chapter, we will show you how the C code we write to target WebAssembly comes together with HTML5, JavaScript, and CSS to create a web page. We will teach you how to create a new HTML shell file to be used by Emscripten in the creation of our WebAssembly app. We will discuss the Module object and how Emscripten uses it as an interface between our JavaScript and the WebAssembly module. We will show you how to call WebAssembly functions written in C from within JavaScript on our HTML page. We will also show you how to call JavaScript functions from our C code. We will discuss how to use CSS to improve the look of our web page. We will introduce you to the HTML5 Canvas element and show how it is possible to display images to the canvas from within JavaScript. We will briefly discuss moving those images around the canvas from our WebAssembly module. This...

Key benefits

Create a WebAssembly game that implements sprites, animations, physics, particle systems, and other game development fundamentals

Get to grips with advanced game mechanics in WebAssembly

Learn to use WebAssembly and WebGL to render to the HTML5 canvas element

Description

Within the next few years, WebAssembly will change the web as we know it. It promises a world where you can write an application for the web in any language, and compile it for native platforms as well as the web. This book is designed to introduce web developers and game developers to the world of WebAssembly by walking through the development of a retro arcade game. You will learn how to build a WebAssembly application using C++, Emscripten, JavaScript, WebGL, SDL, and HTML5. This book covers a lot of ground in both game development and web application development. When creating a game or application that targets WebAssembly, developers need to learn a plethora of skills and tools. This book is a sample platter of those tools and skills. It covers topics including Emscripten, C/C++, WebGL, OpenGL, JavaScript, HTML5, and CSS. The reader will also learn basic techniques for game development, including 2D sprite animation, particle systems, 2D camera design, sound effects, 2D game physics, user interface design, shaders, debugging, and optimization. By the end of the book, you will be able to create simple web games and web applications targeting WebAssembly.

Who is this book for?

Web developers and game developers interested in creating applications for the web using WebAssembly. Game developers interested in deploying their games to the web Web developers interested in creating applications that are potentially orders of magnitude faster than their existing JavaScript web apps C/C++ developers interested in using their existing skills to deploy applications to the web

What you will learn

Build web applications with near-native performance using WebAssembly

Become familiar with how web applications can be used to create games using HTML5 Canvas, WebGL, and SDL

Become well versed with game development concepts such as sprites, animation, particle systems, AI, physics, camera design, sound effects, and shaders

Deploy C/C++ applications to the browser using WebAssembly and Emscripten

Understand how Emscripten HTML shell templates, JavaScript glue code, and a WebAssembly module interact

Debug and performance tune your WebAssembly application

What do you get with Print?

Instant access to your digital copy whilst your Print order is Shipped

Paperback book shipped to your preferred address

Redeem a companion digital copy on all Print orders

Access this title in our online reader with advanced features

DRM FREE - Read whenever, wherever and however you want

AI Assistant (beta) to help accelerate your learning

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Tim in Colorado Jul 09, 2019

Covers the basics really well, and goes in-depth into how to use the WebAssembly toolchain to write a game.

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Jason A Tucker Jul 09, 2019

I’m primarily a business application developer, so I was not familiar with the technology or the platforms covered in this book. The author’s writing style and methodical approach helped overcome my own knowledge gaps. Kudos to both the author and editor for making a daunting task much less intimidating.

James Barron Jul 02, 2019

This is a good review of both the burgeoning technology of web assembly and some basics of 2D game development. While this book covers a wide array of subjects from writing C++ and Javascript, Web Assembly, game development, and more, it does not assume a lot of prior knowledge of these topics and does a good job of explaining step-by-step and topic-by-topic everything needed for the book. There is also a nice smattering of enriching notes on the history of web technology and game development to give context to what is presented.Since web assembly is so new, this book explains well where it is rapidly changing, where things are still not developed or is buggy, and how to work around some common issues. It covers how C++ and Javascript interact, how to properly compile and run, and how to debug. All of these have their issues and details which are nicely explained so the reader won't need to struggle with it.All in all, it is a clear, methodical guide for both those with little knowledge and those with more experienced.

Vivace May 31, 2023

The book is a great guide into wasm. The accompanying code works well, and i appreciated there being both C and C++ versions of things. The nature of the toolchain, multiple languages, none of which are particularly concise, doesnt especially lend itself to print, yet the authors style of dissecting what is going on piece by piece, before merging it all back together works well. I have been more than a little surprised by what a useful resource this book has been.

L. G. Sep 23, 2021

Little slow at the beginning then it started a fire in me like when you mix gasoline and styrofoam, light it and throw it but it ends up on your friends shirt only to burn a massive hole in it. Overall a great read and an awesome amount of knowledge included.

Hands-On Game Development with WebAssembly: Learn WebAssembly C++ programming by building a retro space game

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Hands-On Game Development with WebAssembly

HTML5 and WebAssembly

The Emscripten minimal shell file

Creating a new HTML shell and C file

Defining the CSS

HTML5 and game development

Adding a canvas to the Emscripten template

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