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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 – creating a custom say fortune block

We're about to duplicate a script, so we're going to take this opportunity to create a custom block to select an item from the answers list based on a specified range of items.

  1. With the teller sprite selected, click on the Make a Block button from the More Blocks palette. Name the block say fortune in range:. Then, add a number input and change the input name to start range. Next, add a label with the text and; finish the block by adding another number with the name end range. The following screenshot shows the resulting define block:
    Time for action – creating a custom say fortune block
  2. We want to use a similar set of blocks that we've already added to the if () then else block as we previously added to the when I receive (fortune) stack. The new expression will be say (item (pick random start range) to (end range) of (possible answers)) for (2) secs, as shown in the following screenshot:
    Time for action – creating a custom say fortune block
  3. Let's put the custom block to use in the when I receive (fortune) script....
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