book

Learn to Program with Scratch

Name: Learn to Program with Scratch
Author: Majed Marji
ISBN: 9781593275433

by Majed Marji

February 2014

Beginner

288 pages

7h 43m

English

No Starch Press

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About the AuthorAbout the Technical Reviewer
Acknowledgments
Introduction
Whom This Book Is ForA Note to the ReaderFeaturesOrganization of This TextConventions UsedOnline ResourcesErrata and Updates
1. Getting Started
What Is Scratch?Scratch Programming EnvironmentThe StageSprite ListBlocks TabScripts AreaCostumes TabSounds TabBackdrops TabSprite InfoToolbarPaint EditorSetting the Center of an ImageSetting Transparent ColorYour First Scratch GameStep 1: Prepare the BackdropStep 2: Add the Paddle and BallStep 3: Start the Game and Get Your Sprites MovingStep 4: Spice It Up with SoundScratch Blocks: An OverviewArithmetic Operators and FunctionsArithmetic OperatorsRandom NumbersMathematical FunctionsSummaryProblems
2. Motion and Drawing
Using Motion CommandsAbsolute MotionRelative MotionOther Motion CommandsPen Commands and Easy DrawThe Power of RepeatRotated SquaresExploring with StampScratch ProjectsGet the MoneyCatching ApplesMore on Cloned SpritesSummaryProblems
3. Looks and Sound
The Looks PaletteChanging Costumes to AnimateSprites That Speak and ThinkImage EffectsSize and VisibilityLayersThe Sound PalettePlaying Audio FilesPlaying Drums and Other SoundsComposing MusicControlling Sound VolumeSetting the TempoScratch ProjectsDancing on StageFireworksSummaryProblems
4. Procedures
Message Broadcasting and ReceivingSending and Receiving BroadcastsMessage Broadcasting to Coordinate Multiple SpritesCreating Large Programs in Small StepsCreating Procedures with Message BroadcastingBuilding Your Own BlockPassing Parameters to Custom BlocksUsing Nested ProceduresWorking with ProceduresBreaking Programs Down into ProceduresBuilding Up with ProceduresSummaryProblems
5. Variables
Data Types in ScratchWhat’s in the Shape?Automatic Data Type ConversionIntroduction to VariablesWhat Is a Variable?Creating and Using VariablesThe Scope of VariablesChanging VariablesSpider WebPinwheelVariables in ClonesDisplaying Variable MonitorsUsing Variable Monitors in ApplicationsSimulating Ohm’s LawDemonstrating a Series CircuitVisualizing a Sphere’s Volume and Surface AreaDrawing an n-Leaved RoseModeling Sunflower Seed DistributionGetting Input from UsersReading a NumberReading CharactersPerforming Arithmetic OperationsSummaryProblems
6. Making Decisions
Comparison OperatorsEvaluating Boolean ExpressionsComparing Letters and StringsDecision StructuresThe if BlockUsing Variables as FlagsThe if/else BlockNested if and if/else BlocksMenu-Driven ProgramsLogical OperatorsThe and OperatorThe or OperatorThe not OperatorUsing Logical Operators to Check Numeric RangesScratch ProjectsGuess My CoordinatesTriangle Classification GameLine FollowerEquation of a LineOther ApplicationsSummaryProblems
7. Repetition: A Deeper Exploration of Loops
More Loop Blocks in ScratchThe repeat until BlockBuilding a forever if BlockStop CommandsEnding a Computational LoopValidating User InputCountersCheck a PasswordCounting by a Constant AmountRevisiting Nested LoopsRecursion: Procedures that Call ThemselvesScratch ProjectsAnalog ClockBird Shooter GameFree-Fall SimulationProjectile Motion SimulatorOther ApplicationsSummaryProblems

8. String Processing
Revisiting the String Data TypeCounting Special Characters in a StringComparing String CharactersString Manipulation ExamplesIgpay AtinlayFix My SpellingUnscrambleScratch ProjectsShootBinary to Decimal ConverterHangmanFraction TutorSummaryProblems
9. Lists
Lists in ScratchCreating ListsList CommandsAdd and DeleteInsert and ReplaceAccessing List ElementsThe Contains BlockBounds CheckingDynamic ListsFilling Lists with User InputCreating a Bar ChartNumerical ListsFinding Min and MaxFinding the AverageSearching and Sorting ListsLinear SearchFrequency of OccurrenceBubble SortFinding the MedianScratch ProjectsThe PoetQuadrilateral Classification GameMath WizardFlower Anatomy QuizOther ApplicationsSummaryProblems
A. Sharing and Collaboration
Creating a Scratch AccountUsing the BackpackCreating Your Own ProjectStarting a New ProjectRemixing a ProjectThe Project PageSharing Your Project
About the Online Resources
Updates
Index
About the Author
Copyright

Overview

By offering a methodical guide to all of Scratch's surprisingly powerful features, Learn to Program with Scratch gives you a firm grasp on the fundamental principles of programming in any language.

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