Book Image

jQuery Game Development Essentials

By : Selim Arsever
Book Image

jQuery Game Development Essentials

By: Selim Arsever

Overview of this book

jQuery is a leading multi-browser JavaScript library that developers across the world utilize on a daily basis to help simplify client-side scripting. Using the friendly and powerful jQuery to create games based on DOM manipulations and CSS transforms allows you to target a vast array of browsers and devices without having to worry about individual peculiarities."jQuery Game Development Essentials" will teach you how to use the environment, language, and framework that you're familiar with in an entirely new way so that you can create beautiful and addictive games. With concrete examples and detailed technical explanations you will learn how to apply game development techniques in a highly practical context.This essential reference explains classic game development techniques like sprite animations, tile-maps, collision detection, and parallax scrolling in a context specific to jQuery. In addition, there is coverage of advanced topics specific to creating games with the popular JavaScript library, such as integration with social networks alongside multiplayer and mobile support. jQuery Game Development Essentials will take you on a journey that will utilize your existing skills as a web developer so that you can create fantastic, addictive games that run right in the browser.
Table of Contents (17 chapters)
jQuery Game Development Essentials
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Chapter 5. Putting Things into Perspective

We will now see how to render another very popular kind of effect: the top-down perspective (also known as overhead perspective). There are a wide variety of games that can be created using this technique:

  • Hack and slash like Gauntlet

  • Shoot 'em up like Alien Breed

  • RPG like Zelda or Chrono Trigger

  • Simulation like Simcity

  • War game like Civilization or Warcraft

These games use what is called an orthogonal projection. This can be easily rendered using a simple tile map like the one we implemented in the last chapter. In this chapter, we will make an RPG that will look like The Legend of Zelda: A Link to the Past on Super Nintendo.

We will use the graphical assets from BrowserQuest (http://browserquest.mozilla.org), a very cool open source game developed by Mozilla to demonstrate the capability of modern browsers. You can see it in the following screenshot:

In this chapter we will cover the following topics:

  • Tile map optimization

  • Sprite-level occlusion

  • Advanced...