In this chapter, we will begin to put the framework of a game into place. All games have game objects and a game loop. A game loop exists in every game ever written. Some tools, such as Unity, do their best to abstract away the game loop so that the developer does not necessarily need to know it is there, but even in these cases it still is. All games must take some control over the rendering capabilities of the operating system or hardware it is running on and draw images out to the screen while the game is running. All of the work of the game is done within a big loop. Game objects can be either an instance of classes in the case of Object-Oriented Programming (OOP) languages such as C++, or in the case of procedural languages such as C, they could be loose collections of variables or structures. In this chapter, we will be learning how to design...
Hands-On Game Development with WebAssembly
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Hands-On Game Development with WebAssembly
By:
Overview of this book
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.
Table of Contents (18 chapters)
Preface
Free Chapter
Introduction to WebAssembly and Emscripten
HTML5 and WebAssembly
Introduction to WebGL
Sprite Animations in WebAssembly with SDL
Keyboard Input
Game Objects and the Game Loop
Collision Detection
Basic Particle System
Improved Particle Systems
AI and Steering Behaviors
Designing a 2D Camera
Sound FX
Game Physics
UI and Mouse Input
Shaders and 2D Lighting
Debugging and Optimization
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