Scratch Programming Playground Scratch Programming Playground

292 Pages·2016·44.19 MB·English

ages 10+
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Scratch, the colorful drag-and-drop program-  Fruit Slicer: a Fruit Ninja® clone tt PPllaayyggrroouunndd
ming language, is used by millions of first-time cc
 Brick Breaker: a remake of Breakout®,
learners, and in Scratch Programming Play- hh
the brick-breaking classic
ground, you’ll learn to program by making
cool games. Get ready to destroy asteroids,  Platformer: a game inspired by Super PP Learn to program by making cool games
Mario Bros.® rr
shoot hoops, and slice and dice fruit!
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Each game includes easy-to-follow instruc- Learning how to program shouldn’t be
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tions, review questions, and creative coding dry and dreary. With Scratch Programming
challenges to make the game your own. Want Playground, you’ll make a game of it! rr A l S w e i g a r t
to add more levels or a cheat code? No problem, aa
just write some code. ABOUT THE AUTHOR mm
You’ll learn to make games like: Al Sweigart is a software developer who mm
 Maze Runner: escape the maze! teaches programming to kids and adults. ii
He has written several best-selling Python nn
 Snaaaaaake: gobble apples and avoid your books for beginners, including Automate gg
own tail
the Boring Stuff with Python, also from
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 Asteroid Breaker: smash space rocks No Starch Press.
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THE FINEST IN GEEK ENTERTAINMENT™ s
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www.nostarch.com
$24.95 ($25.95 CDN) SCRATCHSHELVE IN eiga
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ING LANGUAGES/

Scratch Programming
Playground

S c r atc h
Pr o g r a m m i n g
Pl ayg r o u n d
Learn to Program by
Making Cool Games
By Al Sweigart
San Francisco
scratch programming playground. Copyright © 2016 by Al Sweigart.
All rights reserved. No part of this work may be reproduced or transmitted in any form or by any
means, electronic or mechanical, including photocopying, recording, or by any information storage
or retrieval system, without the prior written permission of the copyright owner and the publisher.
20 19 18 17 16 1 2 3 4 5 6 7 8 9
ISBN-10: 1-59327-762-8
ISBN-13: 978-1-59327-762-8
Publisher: William Pollock
Production Editor: Laurel Chun
Cover Illustration: Josh Ellingson
Illustrator: Miran Lipovača
Interior Design: Beth Middleworth
Developmental Editor: Tyler Ortman
Technical Reviewer: Martin Tan
Copyeditor: Anne Marie Walker
Compositor: Laurel Chun
Proofreader: Lisa Devoto-Farrell
For information on distribution, translations, or bulk sales, please contact No Starch Press, Inc. directly:
No Starch Press, Inc.
245 8th Street, San Francisco, CA 94103
phone: [phone]; [e-mail]
www.nostarch.com
Library of Congress Cataloging-in-Publication Data
Names: Sweigart, Al, author.
Title: Scratch programming playground : learn to program by making cool games
/ Al Sweigart.
Description: San Francisco : No Starch Press, [2016] | Audience: Ages 8+. |
Includes index.
Identifiers: LCCN 2016022304 (print) | LCCN 2016024406 (ebook) | ISBN
9781593277628 | ISBN 1593277628 | ISBN 9781593277963 (epub) | ISBN
1593277962 (epub) | ISBN 9781593277970 ( mobi) | ISBN 1593277970 (mobi)
Subjects: LCSH: Scratch (Computer program language)--Juvenile literature. |
Computer games--Programming--Juvenile literature. | Computer
programming--Juvenile literature. | Microcomputers--Programming--Juvenile
literature.
Classification: LCC QA76.73.S345 S94 2016 (print) | LCC QA76.73.S345 (ebook)
| DDC 005.13/3--dc23
LC record available at https://lccn.loc.gov/2016022304
No Starch Press and the No Starch Press logo are registered trademarks of No Starch Press, Inc.
Other product and company names mentioned herein may be the trademarks of their respective
owners. Rather than use a trademark symbol with every occurrence of a trademarked name, we are
using the names only in an editorial fashion and to the benefit of the trademark owner, with no inten-
tion of infringement of the trademark.
The information in this book is distributed on an “As Is” basis, without warranty. While every precau-
tion has been taken in the preparation of this work, neither the author nor No Starch Press, Inc. shall
have any liability to any person or entity with respect to any loss or damage caused or alleged to be
caused directly or indirectly by the information contained in it.
For Seymour Papert,
So long and thanks for all the turtles
(February 29, 1928 – July 31, 2016)
About the Author
Al Sweigart is a software developer, tech book author, and
hoopy frood who really knows where his towel is. He has
written several programming books for beginners, including
Automate the Boring Stuff with Python, also from No Starch
Press. His books are freely available under a Creative Com-
mons license at his website http://www.inventwithpython.com/.
About the
Technical Reviewer
Martin Tan helps run a Code Club in Australia, and he
wrote the space-themed Scratch and Python projects for
Moonhack 2016 that brought over 9,000 kids together to
break the world record for children coding simultaneously.
Martin also works as a penetration tester, contributing to
various open source projects and research.
Brief Contents
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .xvii
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix
Chapter 1: Getting Started with Scratch . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 2: Rainbow Lines in Space! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Chapter 3: Maze Runner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Chapter 4: Shooting Hoops with Gravity . . . . . . . . . . . . . . . . . . . . . . . . . . .67
Chapter 5: A Polished Brick Breaker Game . . . . . . . . . . . . . . . . . . . . . . . . .93
Chapter 6: Snaaaaaake! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Chapter 7: Fruit Slicer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .145
Chapter 8: Asteroid Breaker . . . in Space! . . . . . . . . . . . . . . . . . . . . . . . . .183
Chapter 9: Making an Advanced Platformer . . . . . . . . . . . . . . . . . . . . . . .209
Where to Go from Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .255
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257