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HTML5 Game Development Hotshot

You're reading from   HTML5 Game Development Hotshot Build interactive games with HTML, DOM, and the CreateJS Game library.

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Product type Paperback
Published in Jul 2014
Publisher
ISBN-13 9781849695466
Length 366 pages
Edition 1st Edition
Languages
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Authors (2):
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Makzan Makzan (Mak Seng Hin) Makzan Makzan (Mak Seng Hin)
Author Profile Icon Makzan Makzan (Mak Seng Hin)
Makzan Makzan (Mak Seng Hin)
Seng Hin Mak Seng Hin Mak
Author Profile Icon Seng Hin Mak
Seng Hin Mak
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Toc

Table of Contents (10) Chapters Close

Preface 1. Building a CSS Quest Game FREE CHAPTER 2. Card Battle! 3. Space Runner 4. Multiply Defense 5. Building an Isometric City Game 6. Space Defenders 7. A Ball-shooting Machine with Physics Engine 8. Creating a Sushi Shop Game with Device Scaling Index

Adding a power value to the cards

In this task, we will add a power value to the cards. We will also create a Card object to get the original value back.

Prepare for lift off

Before going into the core part, we will get the interface prepared.

There is not much to add in HTML. Add the power element inside the front face element, as shown in the following code:

<div class="front face">
  <div class="power">100</div>
</div>

Also, add some very basic CSS styling to define the power text, which is large and aligned in the center, as shown in the following code:

.card .power{
  position: absolute;
  width: 100%;
  text-align: center;
  bottom: 30px;
  font-size: 2em;
}

Engage thrusters

The core part of this task is the JavaScript logic, explained as follows:

  1. First, we create a new module to randomize all the power values. Prepend the following code in the game-scene.js file. The benefit of separating this logic is to make changing the power formula easy in...
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