ActionScript 3.0 Cookbook by Lott, Joey -- Read -- Imperial Library of Trantor

Index

ActionScript 3.0 Cookbook

A Note Regarding Supplemental Files Preface

What’s Not in This Book Compatibility Flash Platform Naming Conventions The Code Audience for This Book

What You’ll Need to Know Who This Book Is For Who This Book Isn’t For

How This Book Is Organized How to Use This Book Conventions Used in This Book Using Code Examples O’Reilly Cookbooks Safari® Enabled How to Contact Us About the Tech Reviewers Acknowledgments

Joey Lott Darron Schall Keith Peters

1. ActionScript Basics

Introduction Creating an ActionScript Project

Problem Solution Discussion

Customizing the Properties of an Application

Problem Solution Discussion

Where to Place ActionScript Code

Problem Solution Discussion See Also

How to Trace a Message

Problem Solution Discussion

Handling Events

Problem Solution Discussion

Responding to Mouse and Key Events

Problem Solution Discussion See Also

Using Mathematical Operators

Problem Solution Discussion See Also

Checking Equality or Comparing Values

Problem Solution Discussion See Also

Performing Actions Conditionally

Problem Solution Discussion

Performing Complex Conditional Testing

Problem Solution Discussion

Repeating an Operation Many Times

Problem Solution Discussion See Also

Repeating a Task over Time

Problem Solution Discussion

Creating Reusable Code

Problem Solution Discussion

Generalizing a Method to Enhance Reusability

Problem Solution Discussion

Exiting a Method

Problem Solution Discussion

Obtaining the Result of a Method

Problem Solution Discussion

Handling Errors

Problem Solution Description

2. Custom Classes

Introduction Creating a Custom Class

Problem Solution Discussion See Also

Determining Where to Save a Class

Problem Solution Discussion See Also

Creating Properties That Behave As Methods

Problem Solution Discussion See Also

Creating Static Methods and Properties

Problem Solution Discussion See Also

Creating Subclasses

Problem Solution Discussion

Implementing Subclass Versions of Superclass Methods

Problem Solution Discussion See Also

Creating Constants

Problem Solution Discussion See Also

Dispatching Events

Problem Solution Discussion

3. Runtime Environment

Introduction Detecting the Player Version

Problem Solution Discussion

Detecting the Operating System

Problem Solution Discussion

Checking the Player Type

Problem Solution Discussion

Checking the System Language

Problem Solution Discussion See Also

Detecting Display Settings

Problem Solution Discussion

Scaling the Movie

Problem Solution Discussion See Also

Changing the Alignment

Problem Solution Discussion

Hiding the Flash Player’s Menu Items

Problem Solution Discussion See Also

Detecting the Device’s Audio Capabilities

Problem Solution Discussion

Detecting the Device’s Video Capabilities

Problem Solution Discussion

Prompting the User to Change Player Settings

Problem Solution Discussion

Dealing with System Security

Problem Solution Discussion

4. Numbers and Math

Introduction Representing Numbers in Different Bases

Problem Solution Discussion See Also

Converting Between Different Number Systems

Problem Solution Discussion

Rounding Numbers

Problem Solution Discussion

Inserting Leading or Trailing Zeros or Spaces

Problem Solution Discussion See Also

Formatting Numbers for Display Without a Mask

Problem Solution Discussion See Also

Formatting Currency Amounts

Problem Solution Discussion See Also

Generating a Random Number

Problem Solution Discussion See Also

Simulating a Coin Toss

Problem Solution Discussion See Also

Simulating Dice

Problem Solution Discussion See Also

Simulating Playing Cards

Problem Solution Discussion

Generating a Unique Number

Problem Solution Discussion

Converting Angle Measurements

Problem Solution Discussion

Calculating the Distance Between Two Points

Problem Solution Discussion

Determining Points Along a Circle

Problem Solution Discussion See Also

Converting Between Units of Measurement

Problem Solution Discussion See Also

5. Arrays

Introduction Adding Elements to the Start or End of an Array

Problem Solution Discussion See Also

Looping Through an Array

Problem Solution Discussion See Also

Searching for Matching Elements in an Array

Problem Solution Discussion See Also

Removing Elements

Problem Solution Discussion

Inserting Elements in the Middle of an Array

Problem Solution Discussion

Converting a String to an Array

Problem Solution Discussion See Also

Converting an Array to a String

Problem Solution Discussion See Also

Creating a Separate Copy of an Array

Problem Solution Discussion See Also

Storing Complex or Multidimensional Data

Problem Solution Discussion See Also

Sorting or Reversing an Array

Problem Solution Discussion See Also

Implementing a Custom Sort

Problem Solution Discussion

Randomizing the Elements of an Array

Problem Solution Discussion See Also

Getting the Minimum or Maximum Element

Problem Solution Discussion See Also

Comparing Arrays

Problem Solution Discussion

Creating an Associative Array

Problem Solution Discussion See Also

Reading Elements of an Associative Array

Problem Solution Discussion See Also

6. Display List

Introduction Adding an Item to the Display List

Problem Solution Discussion See Also

Removing an Item from the Display List

Problem Solution Discussion See Also

Moving Objects Forward and Backward

Problem Solution Discussion See Also

Creating Custom Visual Classes

Problem Solution Discussion See Also

Creating Simple Buttons

Problem Solution Discussion See Also

Loading External Images at Runtime

Problem Solution Discussion See Also

Loading and Interacting with External Movies

Problem Solution Discussion See Also

Creating Mouse Interactions

Problem Solution Discussion See Also

Dragging and Dropping Objects with the Mouse

Problem Solution Discussion See Also

7. Drawing and Masking

Introduction Setting a Line Style

Problem Solution Discussion

Setting Gradient Line Styles

Problem Solution Discussion See Also

Drawing a Line

Problem Solution Discussion See Also

Drawing a Curve

Problem Solution Discussion

Drawing an Arc

Problem Solution Discussion

Drawing a Rectangle

Problem Solution Discussion

Drawing a Circle

Problem Solution Discussion

Drawing an Ellipse

Problem Solution Discussion

Drawing a Triangle

Problem Solution Discussion See Also

Drawing Regular Polygons

Problem Solution Discussion

Drawing a Star

Problem Solution Discussion

Filling a Shape with a Solid or Translucent Color

Problem Solution Discussion See Also

Filling a Shape with a Gradient

Problem Solution Discussion

Filling a Shape with a Bitmap

Problem Solution Discussion

Scripting Masks

Problem Solution Discussion

8. Bitmaps

Introduction Creating a BitmapData Object

Problem Solution Discussion See Also

Adding a Bitmap to the Display List

Problem Solution Discussion See Also

Drawing a Display Object to a Bitmap

Problem Solution Discussion See Also

Loading an External Image into a Bitmap

Problem Solution Discussion See Also

Manipulating Pixels

Problem Solution Discussion See Also

Creating Rectangular Fills

Problem Solution Discussion See Also

Creating a Flood Fill

Problem Solution Discussion See Also

Copying Pixels

Problem Solution Discussion See Also

Copying Channels

Problem Solution Discussion See Also

Creating Noise

Problem Solution Discussion See Also

Creating Perlin Noise

Problem Solution Discussion See Also

Using Threshold

Problem Solution Discussion See Also

Applying a Filter to a Bitmap

Problem Solution Discussion See Also

Dissolving Between Two Bitmaps

Problem Solution Discussion See Also

Scrolling a Bitmap

Problem Solution Discussion See Also

9. Text

Introduction Creating an Outline Around a Text Field

Problem Solution Discussion

Creating a Background for a Text Field

Problem Solution Discussion

Making a User Input Field

Problem Solution Discussion

Making a Password Input Field

Problem Solution Discussion

Filtering Text Input

Problem Solution Discussion

Setting a Field’s Maximum Length

Problem Solution Discussion See Also

Displaying Text

Problem Solution Discussion See Also

Displaying HTML-Formatted Text

Problem Solution Discussion

Condensing Whitespace

Problem Solution Discussion See Also

Sizing Text Fields to Fit Contents

Problem Solution Discussion See Also

Scrolling Text Programmatically

Problem Solution Discussion

Responding to Scroll Events

Problem Solution Discussion See Also

Formatting Text

Problem Solution Discussion See Also

Formatting User-Input Text

Problem Solution Discussion See Also

Formatting a Portion of Existing Text

Problem Solution Discussion See Also

Setting a Text Field’s Font

Problem Solution Discussion See Also

Embedding Fonts

Problem Solution Discussion See Also

Creating Text that Can Be Rotated

Problem Solution Discussion See Also

Displaying Unicode Text

Problem Solution Discussion See Also

Assigning Focus to a Text Field

Problem Solution Discussion

Selecting Text with ActionScript

Problem Solution Discussion See Also

Setting the Insertion Point in a Text Field

Problem Solution Discussion See Also

Responding When Text Is Selected or Deselected

Problem Solution Discussion

Responding to User Text Entry

Problem Solution Discussion See Also

Adding a Hyperlink to Text

Problem Solution Discussion See Also

Calling ActionScript from Hyperlinks

Problem Solution Discussion

Working with Advanced Text Layout

Problem Solution Discussion

Applying Advanced Anti-Aliasing

Problem Solution Discussion See Also

Replacing Text

Problem Solution Discussion

Retrieving a List of System Fonts

Problem Solution Discussion

10. Filters and Transforms

Introduction Applying Color Changes

Problem Solution Discussion See Also

Applying Color Tints

Problem Solution Discussion See Also

Resetting Color

Problem Solution Discussion See Also

Shearing

Problem Solution Discussion

Applying Basic Filters

Problem Solution Discussion

Applying Advanced Filter Effects (Emboss, etc.)

Problem Solution Discussion See Also

Embossing

Problem Solution Discussion See Also

Detecting Edges

Problem Solution Discussion See Also

Sharpening

Problem Solution Discussion See Also

Making a Digital Negative

Problem Solution Discussion

Applying Grayscale

Problem Solution Discussion

Changing Saturation

Problem Solution Discussion

Changing Brightness

Problem Solution Discussion See Also

Changing Contrast

Problem Solution Discussion See Also

11. Programmatic Animation

Introduction Moving an Object

Problem Solution Discussion See Also

Moving an Object in a Specific Direction

Problem Solution Discussion See Also

Easing

Problem Solution Discussion See Also

Acceleration

Problem Solution Discussion See Also

Springs

Problem Solution Discussion See Also

Using Trigonometry

Problem Solution Discussion

Applying Animation Techniques to Other Properties

Problem Solution Discussion See Also

12. Strings

Introduction Joining Strings

Problem Solution Discussion See Also

Using Quotes and Apostrophes in Strings

Problem Solution Discussion

Inserting Special Whitespace Characters

Problem Solution Discussion

Searching for a Substring

Problem Solution Discussion See Also

Extracting a Substring

Problem Solution Discussion See Also

Parsing a String into Words

Problem Solution Discussion See Also

Removing and Replacing Characters and Words

Problem Solution Discussion See Also

Retrieving One Character at a Time

Problem Solution Discussion See Also

Converting Case

Problem Solution Discussion See Also

Trimming Whitespace

Problem Solution Discussion

Reversing a String by Word or by Character

Problem Solution Discussion

Converting Between Strings and Unicode or ASCII

Problem Solution Discussion

13. Regular Expressions

Introduction Understanding Regular Expression Patterns

Problem Solution Discussion See Also

Testing Regular Expressions

Problem Solution Discussion See Also

Looking for Pattern Matches

Problem Solution Discussion See Also

Removing and Replacing Characters and Words Using Patterns

Problem Solution Discussion See Also

Creating a Nongreedy Pattern

Problem Solution Discussion See Also

Validating User Input with Common Patterns

Problem Solution Discussion See Also

14. Dates and Times

Introduction Finding the Current Date and Time

Problem Solution Discussion See Also

Retrieving the Date Values

Problem Solution Discussion

Retrieving the Day or Month Name

Problem Solution Discussion See Also

Formatting the Date and Time

Problem Solution Discussion See Also

Formatting Seconds or Milliseconds as Minutes and Seconds

Problem Solution Discussion See Also

Converting Between DMYHMSM and Epoch Milliseconds

Problem Solution Discussion See Also

Using Timers

Problem Solution Discussion

Calculating Elapsed Time or Intervals Between Dates

Problem Solution Discussion

Parsing a Date from a String

Problem Solution Discussion See Also

15. Programming Sound

Introduction Creating a Sound Object and Loading a Sound

Problem Solution Discussion

Starting and Stopping a Sound

Problem Solution Discussion See Also

Setting the Buffer for a Sound

Problem Solution Discussion See Also

Offsetting the Start of a Sound

Problem Solution Discussion See Also

Playing a Sound Multiple Times (Looping)

Problem Solution Discussion See Also

Getting the Size of a Sound File

Problem Solution Discussion See Also

Reading the ID3 Tag of a Sound File

Problem Solution Discussion See Also

Find Out When a Sound Finishes Playing

Problem Solution Discussion See Also

Tracking the Progress of a Playing Sound

Problem Solution Discussion See Also

Pausing and Restarting a Sound

Problem Solution Discussion See Also

Reading the Level of a Sound

Problem Solution Discussion See Also

Stopping All Sounds

Problem Solution Discussion See Also

Reading the Sound Spectrum

Problem Solution Discussion See Also

Changing the Volume or Pan of a Sound

Problem Solution Discussion See Also

Creating a Sound Application

Problem Solution Discussion

16. Video

Introduction Loading and Playing Back Video

Problem Solution Discussion See Also

Controlling Video Sound

Problem Solution Discussion See Also

Reading Playback Time

Problem Solution Discussion See Also

Reading Video Duration

Problem Solution Discussion See Also

Controlling Playback Time

Problem Solution Discussion See Also

Scaling Video

Problem Solution Discussion

Managing and Monitoring Buffering and Loading

Problem Solution Discussion See Also

Listening for Cue Points

Problem Solution Discussion See Also

Applying Filters to Video

Problem Solution Discussion See Also

Pausing and Resuming Video

Problem Solution Discussion

Stopping Video

Problem Solution Discussion

Scrubbing Video

Problem Solution Discussion See Also

Clearing the Video Display

Problem Solution Discussion

Determining User Bandwidth

Problem Solution Discussion See Also

17. Storing Persistent Data

Introduction Creating and Opening a Local Shared Object

Problem Solution Discussion See Also

Writing Data to a Shared Object

Problem Solution Discussion

Saving a Local Shared Object

Problem Solution Discussion See Also

Reading Data from a Shared Object

Problem Solution Discussion

Removing Data from a Shared Object

Problem Solution Discussion

Serializing Custom Classes

Problem Solution Discussion

Sharing Data Between Flash Applications

Problem Solution Discussion

Controlling the Size of Local Shared Objects

Problem Solution Discussion

18. Communicating with Other Movies

Introduction