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

Dealing with the life and death of the player


As this is a game about survival, we will want the win/lose condition to be fairly simple. For the win condition, we will make the player survive for a set amount of time. The lose condition will be the player dying, but we don't want to come across as too hard to play, so we will give the player three lives. This means that we are going to need to respawn the player. Finally, to get this to work properly, we will need to give the Overlord some more duties.

Setting up the win condition

The win condition for this game is to survive for a set amount of time. We can achieve this through the use of an alarm and a variable to signal to the Overlord that the player has survived.

  1. We will need to set up some variables for the lives, win, and lose conditions. Reopen scr_Overlord_Create and add the following code at the bottom:

    lives = 3;
    isVictory = false;
    isDefeat = false;

    GameMaker: Studio has a few built-in global variables including lives. This variable...