By Colin Moock
Up to date to hide Flash MX, the latest model of Macromedia Flash, ActionScript for Flash MX: The Definitive consultant, moment variation is the only booklet no severe Flash developer might be with no. ActionScript is Macromedia's programming language for Flash MX, the preferred authoring instrument for developing wealthy net purposes and animations for the internet. With Macromedia's new specialize in software improvement, ActionScript now encompasses a direct drawing API, loading of exterior MP3 and JPG records, more suitable sound keep watch over, an in depth set of textual content formatting instruments, whole help for part improvement utilizing motion picture clip subclasses, neighborhood facts garage, accessibility positive aspects, and lots more and plenty extra. And ActionScript for Flash MX: The Definitive consultant is the main entire, up to date reference to be had for the most recent model of this language. writer Colin Moock, some of the most universally revered builders within the Flash group, has further countless numbers of latest code examples to teach new Flash MX ideas within the actual global: the way to draw circles, shop facts to disk, convert arrays to onscreen tables, create reusable elements, and preload variables, XML, and sounds. The book's language reference on my own has approximately doubled from the 1st version, with greater than 250 new sessions, gadgets, equipment, and houses. you will find exhaustive assurance of dozens of undocumented, under-documented, and mis-documented positive factors. in addition to the recent fabric, Colin Moock has meticulously revised the full textual content to comply to Flash MX best-coding practices. specifically, objected-oriented programming and the recent occasion version get detailed recognition in gentle of adjustments to Flash MX ActionScript. From sending info among videos to making getter/setter homes, the hot version of this publication demystifies the often-confusing new positive aspects of Flash MX, giving builders quick access to its strong new services. ActionScript for Flash MX: The Definitive advisor is dependent so non-programmers can how to use ActionScript and programmers can take their abilities to new heights. when you are available in the market to truly know about the hows and whys of ActionScript, then this is often the publication for you.
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Extra resources for ActionScript for Flash MX: The Definitive Guide
If we don't declare our variables ourselves, we have no central inventory to consult when examining our code. , automatically). , explicit declaration), as practiced throughout this book. ) These are legal variable names: var first_name; var counter; var reallyLongVariableName; These are illegal variable names that cause errors: var 1first_name; var variable name with spaces; var another-illegal-name; // Starts with a number // Contains spaces // Contains a hyphen As a matter of good form, you should append suffixes to your variable names to indicate the type of information stored in the variable.
4 Modular Code (Functions) So far, your longest script has consisted of five lines of code. But it won't be long before those five lines become 500, or maybe even 5,000. When you want to manage your code more efficiently, reduce your work, and make your code easier to apply to multiple scenarios, you'll learn to love functions. A function is a packaged series of statements that performs some useful action or calculation. In practice, functions serve mostly as reusable blocks of code. Suppose you want to write a script that calculates the area of a 4-sided figure.
2 Assigning Values to Variables Now comes the fun part putting some data into our variables. If you're still playing along with the bank analogy, this is the "deposit money into our account" step. To assign a value to a variable, we use: variableName = value; where variableName is the name of a variable, and value is the data we're assigning to that variable. Here's an example: bookTitle = "ActionScript for Flash MX: The Definitive Guide"; On the left side of the equals sign, the word bookTitle is the variable's name (its identifier).