Học Actionscript 3.0 - p 27 pot

... <www.wowebook.com> Learning ActionScript 3.0, Second Edition by Rich Shupe with Zevan Rosser Copyright © 2 011 Rich Shupe and Zevan Rosser. All rights reserved. Printed in Canada. Published by O’Reilly Media, Inc., 10 05 ... resources offer learning solutions to help devel- opers create cutting-edge interactive web applications that can reach virtually any- one on any platform. Wit...

Ngày tải lên: 06/07/2014, 18:20

... for you. Migration from ActionScript 2. 0-to -ActionScript 3.0 is not our primary focus, so we want you to be happy with the tone and straightforward approach we’ve adopted before you decide to ... experienced—embrace the power and perfor- mance of ActionScript 3.0. We hope these pages will ease the transition from whatever prior version of ActionScript you may have used (if any)...

Ngày tải lên: 06/07/2014, 18:20

... focused on the object-oriented programming (OOP) capa- bilities of ActionScript 3. 0, and the language’s power really shines in this area. However, embracing ActionScript 3. 0 doesn’t mean that ... ActionScript 3. 0? Chapter 1: What Is ActionScript? 5 • The Document Class. Object-oriented programming is not for every- one, but for those starting on the OOP journey, Flash offe...

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... Beginning with Chapter 7, chapters will introduce new concepts using simple timeline syntax and, when appropriate, include an applied OOP example. This is our preferred approach to presenting material ... movie clips, which can be nested within each other. The upper- or outermost movie clip is sometimes referred to as the par- ent (there is even an ActionScript 3.0 property called p...

Ngày tải lên: 06/07/2014, 18:20

... Data Types Chapter 2: Core Language Fundamentals 23 Typing the following into a script, for example, will display “Learning ActionScript 3.0 Shupe Rosser” in Flash Professional’s Output panel: trace("Learning ... <www.wowebook.com> Part I: Getting Started 28 Operators Table 2-2 . A partial list of ActionScript 3.0 operators Type as as Casts data to left of operator as dat...

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... the removed item appears in the Output panel. Finally, the entire array is then traced. trace(cake.pop()); // vanilla appears in the Output panel trace(cake); // the final one-item array, sugar, ... have a problem. The script enters the loop, 25 clips are created, the loop is completed, a frame update can then occur, and you see all 25 clips. If you want each of the 25 clips to appear one...

Ngày tải lên: 06/07/2014, 18:20

... changed ele- ments of ActionScript with the introduction of version 3.0. In the next chapter, we’ll discuss: • The descriptive properties, such as width, height, location, alpha (opaci- ty), rotation, ... syntax used throughout ActionScript, so it will seem like those properties have always been there. The following snippet creates an object, and then creates and populates propertie...

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... our explanation after the code. 1 package { 2 3 import flash.display.MovieClip; 4 import flash.display.Graphics; 5 import flash.events.Event; 6 7 public class Box extends MovieClip { 8 9 public ... Professional CS5’s ActionScript preferences To add a file-specific classpath, the process is very similar and begins in the dialog, File →Publish Settings ActionScript 3.0 Settings. (In F...

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... Basic Particle System Chapter 7: Motion 165 1 package { 2 3 import flash.display.MovieClip; 4 import flash.events.Event; 5 6 public class ParticleDemo extends MovieClip { 7 8 public function ParticleDemo() ... object ends up depends on the velocities and coefficients used. Elasticity The last simple physics principal we’ll look at is elasticity. Elastic properties can be applied to simul...

Ngày tải lên: 06/07/2014, 18:20

... alpha value of 100 percent. This parameter was discussed in the Drawing Shapes section of the chapter when we overlapped a 50-percent fill and a 50-percent line. (See the circle in Figure 8-1 .) ... code- only alternative to components. In both cases, let’s build the examples in classes to practice using object-oriented programming. N OT E Remember that providing left-, top-, right-, an...

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... var penguinCopyBmd:BitmapData = new BitmapData(95, 170); 9 penguinCopyBmd.copyPixels(penguinsBmd, rect, new Point()); 10 11 var penguinCopyBm:Bitmap = new Bitmap(penguinCopyBmd); 12 penguinCopyBm.x ... red, the second is 50-percent green overlapping 50-percent red, the third is 50-percent green overlapping 50-percent blue, and the fourth is 50-percent blue. When applying the Layer blend mo...

Ngày tải lên: 06/07/2014, 18:20

... advanced ActionScript filters allow you to mimic some of the special effects features in pixel-editing applications like Photoshop. We’ll focus on the convolution, displacement map, and Perlin ... dispObj.filters = [conv]; 64 } Perlin noise and displacement map Two other very useful and entertaining effects supported by ActionScript are the Perlin noise generator and the displacement m...

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... line up nicely. These are applied in line 20, using an array of pixel values to indi- cate the location of each tab stop. We applied this property later, in line 20, for demonstration purposes. ... by a preset amount. How different people see text is too var- ied to rely on a single preset of this kind, so ActionScript s custom anti-aliasing features allow you to tweak the appear- ance ....

Ngày tải lên: 06/07/2014, 18:20

... access properties like graphics, use event listeners, and add instances of this class to the display list. 1 package com.learningactionscript3.sound { 2 3 import flash.display.Graphics; 4 import ... visualiza- tion to a project that already plays sound. Adding the Waveform Visualization to Our Sound Player The following code completes our ongoing sound player project, and appears in the...

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... class, while the previously cited example called methods of the FLVPlayback component. 1 package { 2 3 import flash.display.Graphics; 4 import flash.display.MovieClip; 5 import flash.events.MouseEvent; 6 ... _vidPlaying property. When a status update indi- cates that the video has started, the _vidPlaying property is set to true. When the status indicates that the video has stopped it se...

Ngày tải lên: 06/07/2014, 18:20