HỌC ACTIONSCRIPT 3.0 - P 38 POT

46 }Finally, you can even control how much of the stage is visible in full screen mode by setting the stage’s fullScreenSourceRect property to a rectangular area. The following line is included in the video_comp_custom_buttons_full.fla source file, and specifies a rectangle that encloses the video a[r]

affords the greatest flexibility but also requires a fair amount of labor. Sometimes, a prewritten method or two can satisfy a basic need for motion. We’ll demonstrate ActionScript’s Tween class and its occasional partner in crime, the Easing package.• Using a Tweening Engine: TweenLite. Finally, we[r]

and is the kind of amplitude information ActionScript 3.0 will deliver in this example. Figure 11-3 shows both amplitudes in a hypothetical sound wave.Getting the amplitude of a sound channel requires only that you read its leftPeak and/or rightPeak properties depending on which stereo channe[r]

Instead, an independent timer triggers a timer event at a set frequency.In both cases, the events occur in concert with any other events in the ordi-nary functioning of the file, so visual updates, as one example, can continue to occur. Both frame and timer loops will be explained, complete with exa[r]

line, a value is being assigned to the property, so the class knows to call the set-ter. In the second line, no value is assigned, so the class calls the getter, and the property value is retrieved. Now that you have a brief background on imple-mentation, let’s put that information to use in our ong[r]

N OT EThis example demonstrates a scripting shortcut aided by ActionScript. When specifying a rotation higher than 360 degrees, ActionScript will understand the fact that an angle of rotation can-not exceed 360 and use the correct value. That is, 360 degrees is one full rotation around a circle, bri[r]

white space in XML documents, 388ignoring. See ignoreWhitespacewildcards (*) in XML, 396Wildform Flix Pro, 336writing XML, 399–401XXML-based navigation bardirectory structure/source files, 406FLA library symbols, 407LAS3Main (document class), 408–410MenuButtonMain class, 415–416MenuButtonSub[r]

The second way was to assign your own class to the movie clip so that it could be created when you created an instance of the class.In ActionScript 3.0, these two approaches are unified into a single linkage class. This name allows you to create runtime instances of the symbol, but also allows you t[r]

object. The following example is found in the xml_from_nodes.fla source file:1 var las3Data:XML = <authors>2 <author>3 <firstname>Rich</firstname>4 <lastname>Shupe</lastname>5 </author>Download f[r]

15 }Line 1 shows a new stage property called frameRate, which is assigned to 24 frames per second. Lines 3 through 6 contain an enter frame listener that traces the current frame rate. Lines 8 through 15 contain a mouse click listener that will toggle the frame rate between 1 and 24 frames pe[r]

Download from Wow! eBook <www.wowebook.com>PrefacexivWhat Is—and Isn’t—In This BookWe’ve tried to design a book that covers as many ActionScript essentials as we could include, even while being constrained by a page count designed to keep the book affordable. What’s In Part I: Getting[r]

Part IV: Sound and Video348CaptionsStyle 1 consists of all styling attributes common to both treatments, which means that the background alpha information appears in other styles. Styles 2 and 3 itemize only the background color and specify transparent and opaque, respectively. The Timed Text[r]

color used in this script is all red, no green, and no blue.Download from Wow! eBook <www.wowebook.com>PropertiesChapter 3: Properties, Methods, and Events53PropertiesIf you think of properties as ways of describing an object, they become sec-ond nature. Asking where a movie cli[r]

erencing. For example, you may need to explicitly say the parent is a movie clip before you can work with its timeline. A little more background is probably needed to grasp this, as covered in detail in the “Clarifying or Changing the Data Type of a Display Object” section of Chapter 4.Download from[r]

3IN THIS CHAPTERWhat’s New in ActionScript 3.0?The Flash PlatformProcedural Versus Object-Oriented ProgrammingThe Document ClassLegacy Code CompatibilityHello WorldWhat’s Next?While you likely know that ActionScript is the main scripting language of the Flash Platform, and you’re no doubt eag[r]

Chapter 1 to introduce some of the material explained in detail in this chap-ter. We’ll give you a brief explanation here and then expand on each relevant topic as you read on. Create a new ActionScript 3.0 FLA file and type the fol-lowing code into frame 1 using the Actions panel. You can compare y[r]

to the document class field. (It’s labeled “Class” and appears in the Publish section of the panel.) Use the name of the class, not the name of the file. In this case, type Main instead of Main.as, as seen in Figure 1-3.Now compile your FLA file using the Control→Test Movie menu com-mand in F[r]

shapes and sprites that either didn’t previously exist or could not be created programmatically.The biggest difference between the ActionScript 3.0 display list display tech-niques used in prior versions of ActionScript is that the display list can’t have any gaps. If the display list contains 10 di[r]

conventions and organization recommendations are personal choices that you can adapt when your comfort increases. The FLA requires two symbols in the library (included in the source):MenuButtonMainIn our example, this is a movie clip that looks like a tab. (Its name was influenced by the fact that s[r]

Professional CS5.You can add your own classpath to Flash Professional either at the applica-tion or project level. To make a classpath available to all projects, you can go to Flash Professional’s Preferences (Macintosh: Flash→Preferences; Windows: Edit→Preferences), select ActionScript from the lef[r]