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Scratch 2.0 Beginner's Guide: Second Edition

You're reading from   Scratch 2.0 Beginner's Guide: Second Edition Create digital stories, games, art, and animations through six unique projects.

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Product type Paperback
Published in Apr 2014
Publisher
ISBN-13 9781782160724
Length 296 pages
Edition 1st Edition
Tools
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Author (1):
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Michael Badger Michael Badger
Author Profile Icon Michael Badger
Michael Badger
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Table of Contents (13) Chapters Close

Preface 1. Welcome to Scratch 2.0 FREE CHAPTER 2. A Quick Start Guide to Scratch 3. Creating an Animated Birthday Card 4. Creating a Scratch Story Book 5. Creating a Multimedia Slideshow 6. Making an Arcade Game – Breakout (Part I) 7. Programming a Challenging Gameplay – Breakout (Part II) 8. Chatting with a Fortune Teller 9. Turning Geometric Patterns into Art Using the Pen Tool A. Connecting a PicoBoard to Scratch 1.4 B. Pop Quiz Answers Index

Time for action – adding a variable to track lives

As we make the game more difficult, it will be appropriate to provide the player with more than one opportunity to clear the game. We'll do this by tracking the player's lives, as shown in the following steps:

  1. Create a variable named lives. You can create it For all sprites.
  2. Let's set the starting value of the new variable at the start of the game. Select the ball sprite. Then, add a set () to () block to the when flag clicked stack, which sets the ball's initial position and direction.
  3. Select the lives variable and enter the value 3.
  4. Next, we need to change the logic that ends the game to check for life. To do this, detach the stop (all) block from the wait until (y position) < (y position) of (paddle) block.
  5. Instead of stopping everything, let's decrease the value of the lives variable. Add a change () by () block to the bottom of the stack. Select the lives variable and enter a value of -1 in the by value...
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