Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Save more on your purchases! discount-offer-chevron-icon
Savings automatically calculated. No voucher code required.
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletter Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
HTML5 Game Development by Example(Second Edition)

You're reading from   HTML5 Game Development by Example(Second Edition) Make the most of HTML5 techniques to create exciting games from scratch

Arrow left icon
Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781785287770
Length 354 pages
Edition 1st Edition
Languages
Arrow right icon
Toc

Table of Contents (13) Chapters Close

Preface 1. Introducing HTML5 Games FREE CHAPTER 2. Getting Started with DOM-based Game Development 3. Building a Card-matching Game in CSS3 4. Building the Untangle Game with Canvas and the Drawing API 5. Building a Canvas Game's Masterclass 6. Adding Sound Effects to Your Games 7. Saving the Game's Progress 8. Building a Multiplayer Draw-and-Guess Game with WebSockets 9. Building a Physics Car Game with Box2D and Canvas 10. Deploying HTML5 Games A. Pop Quiz Answers Index

Time for action – displaying the progress level text inside the canvas element


  1. We will continue using our Untangle game. Open the untangle.drawing.js JavaScript file in text editor. Add the following code after the Canvas drawing code in the gameloop function, which draws the current level and progress text inside the Canvas:

    untangleGame.drawLevelProgress = function() {
      var ctx = untangleGame.ctx;
      ctx.font = "26px Arial";
      ctx.fillStyle = "WHITE";
      ctx.textAlign = "left";
      ctx.textBaseline = "bottom";
      ctx.fillText("Puzzle "+untangleGame.currentLevel+", Completeness: " + untangleGame.levelProgress + "%", 60, ctx.canvas.height-60);
    }
  2. Open the untangle.js file. We put the following code inside the gameloop function:

    untangleGame.drawLevelProgress();
  3. Save the file and preview the index.html in a web browser. We will see that the text is now drawn inside the Canvas.

What just happened?

We have just drawn the title and the level progress text in our Canvas-based game. We draw text in the...

lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image