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Scratch Cookbook

You're reading from   Scratch Cookbook If want to get your programming know-how off the starting blocks in a fun, involving way, then this guide to Scratch is perfect. In no time you'll be building your own interactive programs that include animations and sound.

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Product type Paperback
Published in Jul 2013
Publisher Packt
ISBN-13 9781849518420
Length 262 pages
Edition 1st Edition
Languages
Concepts
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Author (1):
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Brandon Milonovich Brandon Milonovich
Author Profile Icon Brandon Milonovich
Brandon Milonovich
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Table of Contents (17) Chapters Close

Scratch Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Getting Started with Scratch FREE CHAPTER 2. Storytelling 3. Adding Animation 4. Basic Gaming 5. Spicing up Games 6. Bringing in Sound 7. Integrating PicoBoards 8. Programming to Calculate 9. Project Remixing Collaboration Index

Drawing with the pen


Pens are a category of blocks we can use to draw on the stage. This recipe will explore using the pen to draw a square on the stage.

This is a new category we haven't used before in the block palette:

Getting ready

All you need to do to get this recipe started is open a new Scratch file. We'll be using the default sprite. It may also be fun to add the grid background to the stage.

How to do it...

Follow these steps to draw a square on the stage:

  1. Drag a green-flag block in to the script area.

  2. Drag a clear block from the Pen category.

  3. From the Motion category, drag a go to x: () y: () block. Set both values to 0.

  4. Drag a point in direction () block in to the sequence. Change the value to 0. You'll now have the following:

  5. Drag a move () steps block. Change the value to 100.

  6. Drag a point in direction () block and change the value to 90.

  7. Next, place a set pen color to () block from the Pen blocks. Click on the color to select a color you like.

  8. Drag a set pen size to () block from the...

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