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

Modifying our platform game


We now have all the knowledge we need for creating a multi-level game. First, we will create a list of levels and a function to load them:

var levels = [
        {tiles: "level1.json", enemies: "level1.js"},
        {tiles: "level2.json", enemies: "level2.js"}
    ];
    
    var currentLevel = 0;
    
    var loadNextLevel = function(group){
        var level = levels[currentLevel++];
        // clear old level
        $("#level0").remove();
        $("#level1").remove();
        for(var i = 0; i < enemies.length; i++){
            enemies[i].div.remove();
        }
        enemies = [];
        
        // create the new level
        
        // first the tiles
        gf.importTiled(level.tiles, group, "level");
        
        // then the enemies
        $.getScript(level.enemies);
        
        // finaly return the div holdoing the tilemap
        return $("#level1");
    }

The highlighted lines are the ones that do the remote loading of files. This...