ActionScript 3.0 :: Loading And Changing The Alpha Of An Image Via A Static Class
Dec 30, 2008
I'm trying to make a URL-Loader Class to speed up my workflow, but I can't manage to make the images I am loading visible, turning their alpha to 1.
I use the following line to invoke my custom loader:
import com.ab.utils.Load
Load.Image(menuitem.holder_mc, menuitem.image, this)
[Code]....
Notice where I call a Tweener, trying to make my mc (_ITEM)'s alpha turn 1.
I tried thing like loader.content and loader.content.holder_mc, but to no avail.
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Dec 18, 2010
I'm doing this via the motion editor. But, is it possible to fade an image gradully from left to right instead of the whole image at once?
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Jul 22, 2011
I've got something very strange happening with the alpha of some loaded pictures. I load 27 images dynamically from within a class:
PHP Code:
package{
import flash.display.*;
import flash.net.URLRequest;
import flash.events.*;
public class Portrait extends Sprite{
[Code] .....
However the first 4 portraits won't change alpha to a float number, I can only set the alpha to 1.
Code:
test_portrait = new Portrait(i, 0.8, (film_width/2)-(240), white_bg_square.y);
Results in a blank screen for the first 4 portraits... All the other portraits change transparency fine. There's nothing wrong with the loaded pictures because I swapped 1 for 10 and the problem remained while image 10 in an other position changes alpha just fine.
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Jun 19, 2009
I converted a static text field to a mc then thirty frames later inserted a keyframe and droped the mc's alpha to zero.. then created a motion tween between the keyframes... yet for some reason the text isnt fading when I test the movie... it works fine in the flash authoring environment as you click through the frames but it doesnt in the test movie mode.. any suggestions? ( i broke the text apart down to shapes and it worked fine, but that of course will cause indexing problems for content with google so this really isnt an option)
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Jun 27, 2003
using AS, on loading a movie a solid shape is there with alpha at 100% then over a period of 5 secs its alpha is reduced to 0.
i'm new to this......please help if you want to if you don't have a good weekend but think of me struggling onwards and upwards...
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Mar 22, 2011
[code]This script is for a loader image gallery in flash, as part of a class assignment. What happens is that in flash, when I open the swf file, the initial image (images/nair_evanescentautumn.png) will load fine. However, clicking on any thumbnail image (including the exact same images/nair_evanescentautumn.png), will result in an error saying the file cannot be found.I cannot figure out why it is doing this... I've tested it over. Clicking each thumbnail does go to the correct position in the two separate functions. All said full-size image links are in the folder images/, and replacing the initial loader image will load the other images in place of the default one. However, clicking on any thumbnail still results in URL not found, even though everything works correctly.[code]Before anyone asks why I'm putting this kind of content into a flash site, I'm not--this is only for a class assignment. I'm just trying to figure out why my images aren't loading right when I'm only doing the exact same thing in the functions as I am on the other pages.Of note, commissions.swf has the exact same feature, just with swf files loaded instead, and it works perfectly fine. home, traditional, digital, and photography all have the image gallery, and all have the same issue (I only referenced one page because if I can fix one page I should be able to fix all of them).As for the artworks, they are all my fiance's. The website design was built for her, and I used the website design for this project because I didn't want to have to build an entirely new interface design. Since the project also required a gallery, I felt that this interface would work just fine.
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Nov 22, 2009
Alright, so I have a class that is linked (via the linkage panel) to a scrollbox class. I'll paste the class here:[code]Ignoring the formatting, the commented out functions are the ones causing the issue. Adobe says that it's a static class and I can't use non-static functions. The way I wanted to use it was:
1. Call the page button generating function above.
2. In the main code in my program is this line:scrollbox.setClickFunction(historyContent.generate Page);So when the buttons that are supposed to be generated are clicked, the scrollbox class can call the History pages generatePage function and pass it which page to show. (I did this because there was a lot of text and a limit on how much would display, so small chunks sounded logical).
3. In the onClick function (which I haven't finished yet because the rest wont work), when you click one of the buttons it calls the set function. Its that simple.
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May 4, 2009
I'm kind off oblivious as to what I'm doing wrong here... I have two classes: - Alley - AlleyCat
[Code]...
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Aug 10, 2010
I'm trying to create a tab system on my website. I have a small 25 pixel tall swf file at the top of the page that acts as the tabs. It uses PHP to communicate with the rest of the site. I have a larger swf below that acts as a directory to my files. When the user finds a file, he or she can open it in a new tab by clicking a certain button. And then switch between tabs using the top swf. I've got all of this down using AS3, but I'm not as good at the basic web design elements. How do I communicate to have every lower layer except for the one that the viewer wants to look at go to 0% alpha? Also, I cannot just have the tab system be all in one swf because some of the files that I want the user to open will be in AS2, which won't run inside an AS3 host.
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Oct 18, 2010
Here's a simple test:
1) create a new AS3 project.
2) add a dynamic text field to the stage, give it an instance of "txt" or something and make it render html text
3) on frame 1 add this code:
Code:
txt.htmlText="<b>bold</b> <i>ital</i> <u>underline</u>";
if you test the movie, it looks fine.
4) add another text field to the stage, this one should be a static text field; put some text in it and test the movie again.
5) if you delete the static field and add another dynamic field, all is well again. Simply changing the static field doesn't work. It needs to be deleted and re-added.
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Apr 11, 2011
this.addEventListener(MouseEvent.MOUSE_OVER,function() {
this.alpha=0
})
In an MC, I want it to become invisible when the mouse hovers over it. The reason I'm putting this code inside the MC and not making an instance out of it is because this MC will recur numerous times. The listener does work, as tested with trace(). For whatever reason, alpha doesn't.
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Jun 21, 2005
I have been checking out the following tutorial:on how to adjust the volume with a slider.it's great!what I'd like to do is use that same slider to adjust the alphaof a movie clip.is that possible?or maybe adjust the alpha of a symbol.what i'm trying to do is create "mood lighting"where the user can move a slider and lighten or darken an interiorspace, by adjusting the alpha of a dark square on top of the scene.
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Apr 28, 2003
i made text into a movie clip and put in this code to adjust the alpha.
onClipEvent (load){
this._alpha=100;
i=1;
}
onClipEvent (enterFrame) {
if(this._alpha=0 && i==0){
[Code]...
The alpha is going down.I think, because the text isnt there. What i'm having trouble with is getting it to go back and forth. Increasing and decreasing the alpha when it gets to it's maximum or minimum. I hope I'm making some sense.Does anyone have any ideas? And no I cannot do this with a simple motion tween because there are things happening in the background.
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Jan 11, 2010
I'm blitting a map onto the screen with tiles.. and the source of these tiles are BitmapData objects.I know you can change the alpha of a bitmap.. but I'm not too sure if it can be done on the BitmapData object itself.I want some tiles to have less alpha than others. Applying the alpha to the Bitmap.. makes everything on the current screen have an alpha.. but I only need one tile of it..
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Nov 3, 2009
i'm trying to get it so a MC1 on top of MC2 slowly fades in. It starts with alpha of 0 and i put it in a while loop (on MC1):
onClipEvent(load) {
this._alpha = 0;
var i = 0;
[code]....
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Jan 17, 2010
I'm trying to load images using the loader class but it doesn't seem to ever trigger the complete event (in this case anyway). The images are only 16x16px images from the local machine, so it should take no time at all to load. I use the totalImages variable as a counter; as an image is loaded, it subtracts 1 from it. Once it is 0, all images are loaded. I can create an instance and it goes as far as tracing "Begin loading images", but that's it. No errors in the console either.
PHP Code:
package lib{
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Loader;
import flash.geom.Rectangle;
import flash.net.URLRequest;
import flash.events.Event;
public class Frame extends Bitmap{
[Code] .....
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May 21, 2010
i am trying to load images on movie clips using class,but i did not get the visibility of images on those movieclips ,the class doesn't contain any errors the functions are also worked correctly. Here i am sending my class code :
package{
import flash.display.*;
import flash.net.URLRequest;
public class customerloading extends MovieClip{
[Code]......
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Mar 8, 2009
I am changing colors of an mc dynamically, in this way: I have an mc of the color green for example. What I want is it to turn to a specific color in time. I have in that mc a sprite, that is that specific color (red in this case). iIset it's alpha to 0 and put it in the layer above the green part. Now when I set its alpha to 1, it will be that colour. When I set it to 0.5 ofcourse it'll be a mix between those colours. Is it faster to do it, but changing 0xFFFFFF? I wouldn't know how to do it though. i want to be able to tell it to go 3/4 of color nr 1 and 1/4 of color nr 2, for example. i also want to be able to choose those colours specificly, for the sake of art. so just choosing 0xFF0000 for red, wont do, for artistic reasons.
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Apr 6, 2010
The thing should work like this: theres a movie clip in frame 10 of the timeline with two buttons inside, by clicking one of them the movie should jump to frame 15 and take the alpha of two Mc there (they are inside a different movie clip) to 0. This is what ie been trying (code on the button, btw):
on (release) {
McScene2.lettuce._alpha = 0;
McScene2.pumpkin._alpha = 0;
[code].....
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Jan 28, 2012
i really can't belive i'm asking this, but i've been about an hour trying to look after a solution for this but I couldnt find nothing. i'm trying to change a movieclip's alpha when the swf loads and when I press an existing button. the problem is that that movieclip is inside a button and as3 has a problem with it.
this is what i am trying to do in the first frame of the first scene.
[Code]...
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Jul 28, 2004
I have a menu inside a MC, and Id like to make s alpha = 50% when some button is clicked ,but when the mouse is over it, s alpha changes back to 100%.
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Mar 22, 2012
I'm wondering if anyone has experience with if there is a big difference in performance in ActionScript 3 between keeping a class with only public static functions, and utilizing those functions often (as in a frame event at 30fps), and in turning the class into a "normal" class of which I instead make an instance and call the functions via the instance instead.
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Feb 19, 2010
I realize this is kind of an odd issue, but I am wondering if there's any way to get Flash to allow me to access a class's static functions using a class variable that points to the class. Example:I create a class called FooClass that has a static function named fooI then create a variable of type Class that points to it
Code:
var class:Class = Class(getDefinitionByName("FooClass"));
However, when I try to call foo() using the variable, it errors saying the function
[code].....
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Jun 13, 2011
My problem occurs when I try to load multiple images in one class in AS3.[code]My problem with this is, that every complete-method receives the same image. Sometimes they all get img1.jpg, sometimes they all get img3.jpg....I don't have any clue why this is happening.[code]Now the different Bitmaps and Loaders have distinct names and are called within the same method call. The event handlers now are inline.
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Jan 7, 2010
I know how to change the alpha of one movie clip at a time on rollover, rollout, and release. But I'm a bit stuck trying to figure out how I would change the alpha of multiple movie clips, when one is clicked. It's for a simple photo gallery and I want all the thumbnails to darken once one has been clicked & the image is loading. I can't just fake it by having a somewhat transparent black movie clip appear over everything, because I need the alpha of each thumbnail to be able to change again once people roll over a new thumbnail.(a section of my code is included for reference but there are like 30 thumbnails so I didn't include it all, the code is the same for everything)
Code:
thumb_001.onRollOver = over;
thumb_001.onPress = down;
thumb_001.onRollOut = out;
thumb_001.onRelease () {
[code]....
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Mar 22, 2010
i have this little display and when you click on certain items their alpha changes to 0.1, this worked fine until i added another frame with a different display on another frame. so now when you change frames and go to the new display then go back to the old display on frame 1 the alpha properties are all reset back to 1. So to fix this i thought i could simply add all the movieclips with an alpha less than one to an array when i left the frame then when you come back to the frame you could reset all the moviclips in that array back to having an alpha of 0.1. But this doesnt seem to work. here is the code i used.[code]But this code doesnt seem to work, the strange thing is even when i add some trace statements they tell me that the alpha does in fact equal 0.1 but visibally they haven't changed.
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Aug 15, 2009
I am very new to Flash and I have the following script:
mouseInterval = setInterval(changeAlpha,10);
function changeAlpha(){ fader_mc.alpha = Math.round(root.mouseX/550*100) }
This is simply to change the Alpha of my object as I change the X value of the mouse cursor. I keep getting the following error message:
1120: Access of undefined property mouseInterval
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Dec 30, 2011
for a periodic table tool I'm making, I've incorporated an effect that changes the alpha value whenever I hover over an element (pretty standard). I've noticed a mysterious gain in memory when hovering over my elements; using SYSTEM.TOTAL_MEMORY - there would be about 0.005MB increase in memory usage when I hover over an element, which isn't relinquished when I move my mouse off. However, if I move my mouse back on again, there isn't a second memory gain.
[Code]...
Does anyone know why this memory gain is happening when the alpha value is changed? And curiously why it only happens once? Some extra info: my Element class is a MovieClip, with a couple of TextFields, primitive variables and a MovieClip in it. It has had its mouseChildren property set to false (and buttonMode property set to true).
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May 15, 2009
how to increase the alpha of a movie clip when you rollover a button.
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May 9, 2005
I have created a finite menu and it works fine, the only problem is that now I want to have the menu set to 50% alpha and when the user moves the mouse over the menu it gradually increases to 100%, Since I have never messed with Alpha's using action script.
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