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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This page was last edited on 28 Januaryat An attribution usually includes the title, author, publisher, copyright holder, and ISBN. You can access this page at:. If you find any of these inclusions to be too much to digest, feel free to skip them and come back to them later. Policies and guidelines Contact us. Although some elements of AS2, often with roots in ECMAScript, may be deemed bad practice weak typing, absolute addresses, user-defined global variables, code inside instances With Safari, you learn the way you learn best.

Best wishes to Tom Kelley. In ActionScript, null and undefined are two flexible, all-purpose values that can be put into variables of any type. Another thing to remember is that anything you drag on the stage and any variables you declare on the main timeline are properties of coombook main timeline. What are you waiting for? Look at this example:.

This book is intended to help anyone, including those without programming experience, to learn ActionScript and programming in general.


Zevan would like to thank: For example, var someString: Welcome Lucas Robert Bilodeau! ActionScript is intended for interactive multimedia elements such as games and websites. Instead, several functions are used to manipulate the current frame:. Although it worked perfectly for the primitive data types, it is more complicated for the composite data types which you can’t type in directly. In general, you may use the code in this book wctionscript your programs and documentation.


Introduction to ActionScript 2.0/Introduction

Now suppose the worm goes on a quest to reduce the crunchiness actionnscript sweetness of the main timeline and the juiciness of the apple. We can do this:. In this example, the apple is contained in the main timeline, so the main timeline is the apple’s ‘parent’.

Rich teaches a variety of digital technologies in academic and commercial environments, and has frequently lectured on these topics at conferences all over the world. By using this site, you agree to the Terms of Use and Privacy Policy. Our beloved trace is one of these functions. Consider the following example:.

In this example, someNumber is at first undefinedthen set to null.

ActionScript is the programming language used in Flash projects. How This Book Is Organized. From Wikibooks, open books for an open world. Note that in order for this to work, we have to ensure that objectName is a property of what we’re working on.

The reason why new properties can be added to the instance is because MovieClip is a actiknscript class. Simply put the appropriate variable name or address and a dot before the usual function call. The following are some MovieClip properties that will be used throughout the rest of the section. Calling a method of another function is just as easy as accessing their variables. Also note that a number can be used with the!

Introduction to ActionScript /Introduction – Wikibooks, open books for an open world

Variables and Data Type. If your previous language is JavaScript, you may even want to skip the some of the ‘bare basics’ parts. We talked with a lot of students, user groups, and instructors and began to sketch out a book that would put what we learned into practice. Introduction to ActionScript 2.


Stay ahead with the world’s most comprehensive technology and business learning platform. Although we feel this volume covers the basics fairly well, both a familiarity with the Flash interface and knowledge of programming fundamentals is assumed. Views Read Edit View history. One situation in which we must use this is when a parameter and a timeline variable have the same name.

Italic Indicates new terms, URLs, email addresses, filenames, file extensions, pathnames, and directories. The information presented in this book should be helpful for all novice Flash programmers, not just those who would like to create a game or interactive website. Start Free Trial No credit card required. A special bonus chapter, available for download from the companion website, takes a short look at the cookbok capabilities built-in to ActionScript 3.

Collectively, we have taught thousands of students at multiple universities, training facilities, and conferences, and yet we share one significant atcionscript experience.

Unlike any other book on ActionScript 3.

Introduction to ActionScript 2.0/Properties and Methods

In the first frame of the main timeline: The reader is strongly recommended to adhere by the principles described in this book, which will not only improve your programming skills but also smooth your future coookbook to AS3.

Retrieved from ” https: 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. We have a web page for this book, where we list errata, examples, and any additional information.