Scratch Cookbook电子书

Scratch Cookbook

Table of Contents

Scratch Cookbook

Credits

About the Author

About the Reviewers

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Preface

What this book covers

What you need for this book

Who this book is for

More information

Conventions

Reader feedback

Customer support

Errata

Piracy

Questions

1. Getting Started with Scratch

Introduction

Starting up Scratch

Getting ready

How to do it…

How it works…

See also

Deleting the default sprite

Getting ready

How to do it…

There's more…

Adding a custom sprite

Getting ready

How to do it…

Adding a pre-made sprite

Getting ready

How to do it…

There's more…

See also

Changing the stage background

Getting ready

How to do it…

There's more…

See also

The Hello World project

Getting ready

How to do it…

How it works…

There's more…

Adding some motion

Special sprite settings

Pointing towards the mouse

Duplicating code

See also

2. Storytelling

Introduction

Adding words to a sprite

Getting ready

How to do it...

How it works...

See also

Adjusting the timing

Getting ready

How to do it...

How it works...

There's more...

See also

Sprites interacting with other sprites

Getting ready

How to do it...

How it works...

There's more...

See also

Basic broadcasting and receiving

Getting ready

How to do it...

How it works...

The broadcast block

The receive block

More about the code

There's more...

Triggering an event with a click

Changing the background

See also

Resetting parts of a program

Getting ready

How to do it...

How it works...

There's more...

See also

Other fun graphic effects

Getting ready

How to do it...

How it works...

There's more...

Fisheye

Whirl

Pixelate

Mosaic

Brightness

Ghost

See also

3. Adding Animation

Introduction

Changing sprite costumes

Getting ready

How to do it...

How it works...

There's more…

Making it dance

Checking the costume number

Switching to a particular costume

See also

Switching backgrounds in a story

Getting ready

How to do it...

How it works...

See also

Adding graphic effects to backgrounds

Getting ready

How to do it...

How it works...

There's more...

A finished message

Adding other effects

Animating the button

See also

Keyboard input to a program

Getting ready

How to do it...

How it works...

There's more...

Using better defined variables

See also

Getting the mouse position

Getting ready

How to do it...

How it works...

There's more...

4. Basic Gaming

Introduction

Creating a moving object

Getting ready

How to do it...

How it works...

There's more…

The simple way

Adding another ball

Getting ready

How to do it...

How it works...

There's more...

See also

Object interaction with a background

Getting ready

How to do it...

How it works...

There's more...

See also

User interaction with a game

Getting ready

How to do it...

How it works...

Using mouse control

Getting ready

How to do it...

How it works...

There's more...

Keeping score

Getting ready

How to do it...

How it works...

Objects disappearing

Getting ready

How to do it...

How it works...

See also

Building a maze

Getting ready

How to do it...

How it works...

There's more...

Using the timer

Getting ready

How to do it...

How it works...

See also

5. Spicing up Games

Introduction

Tracking the best score or time

Getting ready

How to do it...

How it works...

There's more…

Keeping a high score list

Getting ready

How to do it...

How it works...

There's more…

See also

Adding more levels

Getting ready

How to do it...

How it works...

There's more...

6. Bringing in Sound

Introduction

Playing sounds

Getting ready

How to do it...

How it works...

There's more…

See also

Importing a new sound

Getting ready

How to do it...

How it works...

There's more…

See also

Recording a sound

Getting ready

How to do it...

See also

Playing drums and notes

Getting ready

How to do it...

How it works…

There's more…

Adjusting volume

Getting ready

How to do it...

See also

Fading volume out

Getting ready

How to do it...

See also

Changing the tempo

Getting ready

How to do it...

Interactive note playing

Getting ready

How to do it…

How it works…

7. Integrating PicoBoards

Introduction

Setting up the sensor board

Getting ready

How to do it...

How it works...

See also

Getting values from the sensor board

Getting ready

How to do it...

How it works...

There's more...

See also

Working with the slider

Getting ready

How to do it...

There's more...

See also

Integrating the light sensor

Getting ready

How to do it...

See also

Integrating the sound sensor

Getting ready

How to do it...

How it works...

There's more…

See also

Measuring resistance

Getting ready

How to do it...

How it works...

There's more...

The sensor board button

Getting ready

How to do it...

Checking other connections

Getting ready

How to do it…

There's more…

8. Programming to Calculate

Introduction

Generating Fibonacci numbers

Getting ready

How to do it...

How it works...

See also

Sieve of Eratosthenes

Getting ready

How to do it...

How it works...

See also

Creating a password generator

Getting ready

How to do it...

How it works...

Other Scratch calculations

Getting ready

How to do it…

9. Project Remixing

Introduction

Importing parts of other projects

Getting ready

How to do it...

Drawing with the pen

Getting ready

How to do it...

See also

Remixing the pen project

Getting ready

How to do it...

A. Collaboration

Introduction

The online Scratch community

Getting ready

How to do it…

How it works...

See also

Creating an account

Getting ready

How to do it...

See also

Sharing projects

Getting ready

How to do it...

See also

Sharing Scratch 1.4 projects

Getting ready

How to do it...

Downloading projects

Getting ready

How to do it...

Index