Download Learning ActionScript 3.0, 2nd Edition by Rich, Rosser, Zevan Shupe PDF

By Rich, Rosser, Zevan Shupe

In case you are new to ActionScript 3.0, or are looking to improve your ability set, this bestselling publication is the precise advisor. Designers, builders, and programmers alike will locate studying ActionScript 3.0 precious for navigating ActionScript 3.0's studying curve. you will examine the language via getting a transparent examine crucial issues equivalent to common sense, occasion dealing with, exhibiting content material, sessions, and lots more and plenty extra. up to date for Flash expert CS5, this revised and extended version offers hands-on workouts and full-color code samples that can assist you raise your skills as you move in the course of the booklet. themes are brought with uncomplicated syntax and class-based examples, so that you can set your personal speed for studying object-oriented programming. Harness the ability and function of ActionScript 3.0 keep watch over sound and video, together with new entry to microphone information Create paintings with code via drawing vectors and pixels at runtime manage textual content with unheard of typographic keep an eye on Animate pix, create particle structures, and practice uncomplicated physics stay away from universal coding errors and reuse code for more suitable productiveness Load SWF, snapshot, textual content, HTML, CSS, and XML dossier codecs, and extra Authors wealthy Shupe and Zevan Rosser draw on their adventure as Flash builders and teachers to offer you an excellent ActionScript origin, revealing methods you should use code for functional, daily initiatives.

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Learning ActionScript 3.0, 2nd Edition

If you are new to ActionScript three. zero, or are looking to increase your ability set, this bestselling publication is definitely the right advisor. Designers, builders, and programmers alike will locate studying ActionScript three. zero important for navigating ActionScript three. 0's studying curve. you are going to research the language through getting a transparent examine crucial issues corresponding to good judgment, occasion dealing with, showing content material, sessions, and lots more and plenty extra.

Additional info for Learning ActionScript 3.0, 2nd Edition

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Creating an instance of a class, also referred to as instantiation, is much like creating an instance of a library symbol in Flash Professional. Just like movie clips dragged from the library onto the stage, multiple instances of that movie clip symbol can be altered without affecting one another, and without affecting the original from which they were derived. Using OOP, however, you can extend this idea much further. One example of extending an object-oriented system is the use of inheritance—the ability to derive classes from other classes, passing on specific characteristics from the base class, or parent class.

30 Part I: Getting Started Conditionals if (num == 1 && str == "goodbye") { trace("both tests are true"); } In the next example, the test will evaluate to true, because one of the two conditions (the first) is true. As a result, “one test is true” will be traced. if (num == 1 || str == "goodbye") { trace("one test is true"); } Finally, the following would also evaluate to true, because the NOT operator correctly determines that bool is not true. = comparison operator. = operator is the reverse of the == operator, and tests whether something is “not equal to” a value.

However, using the MovieClip class for this purpose offers more flexibility. For example, although it’s not a good idea to combine timeline code with a document class (it’s best to think of the document class as replacing the timeline), it is possible only when the document class extends MovieClip. For more information, see the “Sprite versus MovieClip” post at the companion website. MovieClip; public class Main extends MovieClip { public function Main() { } } } The first line, along with the closing brace in line 12, defines the class’s package.

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