Book Image

HTML5 Game Development with GameMaker

By : Jason Lee Elliott
Book Image

HTML5 Game Development with GameMaker

By: Jason Lee Elliott

Overview of this book

The introduction of HTML5 has revolutionized the web browser as a legitimate gaming platform with unlimited potential. Making games for the browser has never been simpler, especially with GameMaker Studio. Developers have full control over asset management, built-in systems for physics, particles and path finding. In addition, it offers a rich scripting language and extensions for developers now enabling everyone to create games and monetize them quickly and easily.HTML5 Game Development with GameMaker will show you how to make and release browser based games using practical examples. This book utilizes GameMaker's powerful scripting language allowing you to create your first game in no time. With this guide you will develop a thorough skill set and a coherent understanding of the tools to develop games of increasing complexity, gradually enhancing your coding abilities and taking them to a whole new level. The GameMaker Studio environment allows you to jump right into building browser based games quickly and releasing them online. The chapters focus on core practical elements, such as, artificial intelligence and creating challenging boss battles. This book guides you on how to use advanced features easily and effectively, these include, data structures and demonstrating how to create rigid body physics with simple explanations and visual examples. By the end of this book you will have an in-depth knowledge of developing and publishing online social browser based games with GameMaker.
Table of Contents (16 chapters)
HTML5 Game Development with GameMaker
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Building the player


We are going to start by building our player object. We have briefly described the design already, but we have not broken the design down into something that we can start creating. First, we should bullet point each feature and what it entails to ensure we have all the Variables and Events we will need.

  • Arrow keys will move the player around the play area

    • Must remain in play area

  • Spacebar will fire weapon

    • A single bullet fired with each button press

  • Colliding with bullets or enemies causes damage

    • Should be different values based on type

Setting up the player sprite

Let's create the player sprite and prepare it for the game:

  1. Create a new project and call it Chapter_03.

  2. Create a new Sprite and name it spr_Player.

  3. Click on Load Sprite and load Chapter 3/Sprites/Player.gif, with Remove Background checked. This .art file has a spaceship with transparency and several frames of animation.

    Next, we want to adjust the collision area of the spaceship. The default collision is a rectangle...