Final Ppt Multimedia

8/7/2019 Final Ppt Multimedia

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LATEST GADGETS

PRAKASH BORA


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Action Script 3.0

Although ActionScript 3.0 contains many

classes and features that will be familiar to

ActionScript programmers, ActionScript 3.0 isarchitecturally and conceptually different

from previous versions of ActionScript. The

enhancements in ActionScript 3.0 include

new features of the core language and animproved Flash Player API.


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Flash offers a way to simplify your work,called symbols. A symbol can be any objector combination of objects, animation, or aWeb button. When you create a symbol, theobjects (or animation) become one symbol.The difference is that Flash stores thedefinition of the symbol in the Library. Fromthe library, you can now effortlessly insert

multiple copies of the symbol into yourmovie. Each copy is called an instance.


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Graphic symbols are the simplest and most obvious type of symbol. Whenyou create a Flash movie, you create objects on the Stage. Some objectsmay remain still, such as backgrounds. You animate other objects afterall, what is Flash for? Use graphic symbols for collections of static objectsor for animation.

A movie clip is like a movie within a movie that you can manipulate byusing interactive controls (also called actions, created with ActionScrip).Movie clips are crucial for complex animation and especially interactive

animation. A movie clip doesn't take place on the main Timeline; instead,it has its own Timeline. For example, you can go to a movie clip at anytime, play it, and then return to where you left off on the Timeline. Youcan also attach movie clips to buttons.

Button symbols create buttons those little graphics that you click inWeb sites to take you to other places on the site or the Internet. In Flash,you can use buttons in the same way, but you can also use buttons to let

viewers decide whether they want to see a movie when they click thebutton, the movie starts. You can also use advanced scripting to createbuttons that control interactive games and other viewer activities.However you want to use buttons, button symbols are the way to start.You can add movie clips and interactive controls to buttons.


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The fl.transitions.package contains classes

that let you use ActionScript to create

animation effects. You use the Tween and

TransitionManager classes as the primaryclasses for customizing animation in

ActionScript 3.0

Tween class


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The Tween class lets you use ActionScript to move, resize, and fade

movie clips by specifying a property of the target movie clip to animate

over a number of frames or seconds. The Tween class also lets you specify

a variety of easing methods. "Easing" refers to gradual acceleration or

deceleration during an animation, which helps your animations appear

more realistic. The fl.transitions.easing package provides many easing

methods that contain equations for this acceleration and deceleration,

which change the easing animation accordingly.

To use the methods and properties of the Tween class, you use the new

operator with the constructor function to create an instance of the class,

and you specify an easing method as a parameter. For example:

import fl.transitions.Tween;

import fl.transitions.easing.*;

var myTween:Tween = new Tween(myObject, "x", Elastic.easeOut, 0, 300,

3, true)


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UI Loader.

The UILoader class makes it possible to set content toload and to then monitor the loading operation at runtime. This class also handles the resizing of theloaded content. If loading content from a differentdomain (sandbox), security implications may meancontent properties are inaccessible. Please see theLoader class for more information. Using ActionScriptto set a property of the UILoader class overrides theparameter of the same name that is set in theProperty inspector or Component inspector.

The Loader class handles all the actual loading; theUILoader just provides a visual display for the Loaderobject.

Package : fl.containers

Class: public class UILoader


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