open world. Jump to navigation Jump to search. Welcome to Introduction to ActionScript , a book on ActionScript that anyone, including you, can edit!. These functions will be discussed in this chapter as well as the second section of this book. Other built-in functions do not belong to a built-in class. They can be. The definition of private has changed since ActionScript , where it allowed access by subclasses. If you do not specify an access modifier explicitly, the.
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As a basic text, this book has understandable constraints that limit the extent of coverage we can offer.
Introduction to ActionScript 2.0/Properties and Methods
Although we feel this volume covers the basics fairly well, both a familiarity with the Flash interface and knowledge of programming fundamentals is assumed. From Wikibooks, open books for an open world. We have a web page for this book, where we list errata, examples, and any additional information. It is often said that ActionScript’s simplicity allows non-programmers to program. Lynda Weinman, Bruce Heavin, and everyone at Lynda.
Because later chapters build on topics discussed early on, you may not always be able to jump right to a specific topic without first reviewing earlier chapters. What this book does not aim to do [ edit ] This book is not about the production of Flash games or websites.
Introduction to ActionScript – Wikibooks, open books for an open world
Policies and guidelines Contact us. Firstly, primitive data types don’t usually need constructors since they can be initialised with their literals. Properties and methods Global functions and variables The main timeline as a MovieClip Dot access thisthis.
If there are two parameters, species and colour, in the constructor, we should write the following code:.
In ActionScript, null and undefined are two flexible, all-purpose values that can be put into variables of any type. We can do this:. The first five chapters—including coverage of the new ActionScript 3.
Introduction to ActionScript /Properties and Methods – Wikibooks, open books for an open world
Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, and acgionscript. A global variable is a variable that can be accessed and changed anywhere you want.
That is just to show that undefined can be fit into any data type. Throughout this book we cover relevant syntax with extensive comments, but the first two chapters serve as a foundation upon which the rest of the chapters are built. If you want to learn animation, find a book that teaches you to animate with Flash.
Migration from ActionScript 2. In general, you may fookbook the code in this book in your programs and documentation. In the first trace, someBoolean was undefined. For example, writing a program that uses several chunks of code from this book does not require permission. Simply put the appropriate variable name or address and a dot before the usual function call.
This page was last edited on 28 Januaryat It is the grand-daddy of all classes. Other built-in functions do not belong to a built-in class. Although this book was written for a reader still finding his or her way with ActionScript 3.
Look at this example:. A property is a variable that belongs to a certain class. A special bonus chapter, available for download from the companion website, takes a short look cookboo, the 3D capabilities built-in to ActionScript 3.
Our look is the result of reader comments, our own experimentation, and feedback from distribution channels. What are you waiting for? Copyright Rich Shupe and Zevan Rosser, Most are compatible with Flash Actioscript Professional, some require later versions of the tool, and some require Flash Player Collectively, we have taught thousands of students at multiple universities, training facilities, and conferences, and yet we share one significant common experience.
This book assumes that you know basic Flash operations. You can access this page at:. A variable which is not yet defined i. AS2 are obviously the only choice for these people. This book is for Sally and Claire. This creates a new spot instance actionacript the Dog class with the species ‘chihuahua’ and the colour ‘black’.
The following are some MovieClip properties that will be used throughout the rest of the section. Create a new MovieClip in the library. Warning This box indicates a warning or caution. A method is a function that belongs to a certain class.
We hope this book will help ActionScript coders of all kinds—from curious to intimidated, from eager to experienced—embrace the power and performance of ActionScript 3.