actionscript-3

问题 do you know any source or info about comparing images within as3/flash? I want to compare two images and check if the images are the same or not. Check this example: http://imageshack.us/photo/my-images/825/imagecompare.jpg/ Any clues? Thank you in advance! 回答1: In addition to the duplicate answers, I believe you can also use BitmapData.compare() An example taken from the link, consider the following two BitmapData objects: var bmd1:BitmapData = new BitmapData(50, 50, true, 0xFFFF8800); var

问题 On a more abstract level then a previous question, in my experience there are 3 ways to call a javascript function on an html page from an embedded .swf using AS3: ExternalInterface, fscommand, and navigateToURL. Let's compare and contrast these methods (and maybe others I haven't listed) and talk about the pros and cons of each - right now, ExternalInterface seems like the way to go in terms of flexibility, but is it right for all situations? Are there concrete benefits in terms of execution

问题 I need to set custom variable name for every iteration. Why this isn't possible? for (var i:uint = 0; i < 50; i++) { var ['name' +i] = new Sprite(); } *//1840: Syntax error: expecting identifier before left bracket* 回答1: You want to use a hash map to do this. var map:Object = {}; for (var i:uint = 0; i < 50; i++) { map['name' +i] = new Sprite(); } Otherwise you're confusing the compiler. Dynamic names for local variables aren't allowed. 回答2: There is sort of a way around this, depending on

问题 I need to set custom variable name for every iteration. Why this isn't possible? for (var i:uint = 0; i < 50; i++) { var ['name' +i] = new Sprite(); } *//1840: Syntax error: expecting identifier before left bracket* 回答1: You want to use a hash map to do this. var map:Object = {}; for (var i:uint = 0; i < 50; i++) { map['name' +i] = new Sprite(); } Otherwise you're confusing the compiler. Dynamic names for local variables aren't allowed. 回答2: There is sort of a way around this, depending on

问题 In as3, is there a utility or function to convert an RGB color (e.g. 0xFF0000) and an alpha value (e.g. .5) into a A 32-bit ARGB value? And from ARGB to RGB + alpha? Some explanation: a bitmapdata can take an ARGB value in its constructor, but filling shapes in sprites usually takes RGB values. I would like the aforementioned utilities to ensure colors match up. 回答1: var argb : int = (alpha<<24)|rgb; var rgb : int = 0xFFFFFF & argb; var alpha : int = (argb>>24)&0xFF; 回答2: A,R,G,B is a common

问题 I am trying to dynamically load a progressive jpeg using ActionScript 3. To do so, I have created a class called Progressiveloader that creates a URLStream and uses it to streamload the progressive jpeg bytes into a byteArray. Every time the byteArray grows, I use a Loader to loadBytes the byteArray. This works, to some extent, because if I addChild the Loader, I am able to see the jpeg as it is streamed, but I am unable to access the Loader's content and most importantly, I can not change

问题 So I have real time video stream. With 1 (one) person on It . It Is Black and White, I need to be able to capture this persons eyes and mouth (direction (at least X,Y), state (at least opened or closed) ) So Is there any fast library(s) for finding human eyes and mouth in Flash in such case? (pure Actionscript or Haxe\Java\C++\C port in SWC form...) What do I know Is - some libs are described in this presentation http://www.bytearray.org/?p=1040&cpage=1#comment-330183 Grate example for eyes

问题 Can all flash games be readily ported to adobe air for deployment on ios? For example, if I develop a 2D platform game in AS3, can I simply re-package that for deployment on iOS using Adobe AIR, without needing to modify the codebase? If possible, how do I do that? Just re-package using the AIR SDK's ADT tool? In my game, I use the mouse and keyboard to control the character... the hero follows the mouse cursor and left click fires... how will that translate to touch? I'm new to AIR and haven

问题 I am building an Adobe Air AS3 IOS and Android App, in which i have a movie clip in the center of the stage. When you start touching this movie clip, you can move it all around the stage. This is how i'm doing so : Multitouch.inputMode = MultitouchInputMode.TOUCH_POINT; MC_M1.alpha = 1; MC_M1.addEventListener(Event.ENTER_FRAME, ifHitAct); MC_M1.addEventListener(TouchEvent.TOUCH_BEGIN, onTouchBegin); MC_M1.x = 0.516 * gameIntro.stageWidthToUse; MC_M1.y = 0.75 * gameIntro.stageHeightToUse; MC

问题 I'm calling into a flash app embedded in a html page using the ExternalInterface. The following code works fine (I'm using a button to test): $(document).ready(function(){ $("#button").click(function(){ var app = document.getElementById('ApplicationID') console.debug(app) app.pageUnloading() }) }) So this calls into the flash app fine and prints: <embed id="ApplicationID" width="600" height="400" align="middle" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/go