Actionscript 3 :: Flash: Erasing Area Dynamically?

Mar 27, 2012

flash: Erasing area dynamically?

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Flash :: Erasing A Specific Selected Portion Of A Bitmap?

Apr 20, 2011

I have two layers namely topLayer_mc and bottomLayer_mc. The actual vector drawing is drawn on the top layer and onmouseUp of the tool, a bitmap copy of the vector graphics on the top layer is taken and added as a bitmap to the bottom layer. The top layer is cleared subsequently. It is working for the pencil tool.Now I need to create an eraser tool. This is where things get tricky. In the application there is an option to save the image as png, so alpha has top be preserved. So the coventional method of draw a brush using the vector and using the draw method of bitmap will not work. Of course, on a visual level it would work if the brush drawn using the vector is to have the same color as that of the background.

What I need is to excatly erase the pixels.Now I have created a brush tool using the conventional technique and clearing is possible but what I need is to exactly erase the pixels. Is there some technique to draw this ? This is the code that I am using: I have also uploaded the swf and source code, When trying out, please draw all over the stage using the pencil (press Pencil button and start drawing)The source fla is also provided.

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IDE :: How To Dynamically Change Area

Jan 4, 2010

Is it possible to add dynamically an button or graphic symbol into some area ?Let's say i have two buttons, and in particular case i would like to display first button in that area and another time i would like to replace that button with second or another graphic.

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Flash :: Determining Visible Area/invisible Area Of A Masked Object?

Sep 29, 2011

I have a movie clip named circle_mc(see the image on the link below) and a mask object(movie clip) which determines visible area of the circle. User can change the portion which is visible (extend the red area and make it red+blue, gray area is invisible). I need to find proportion of visible area to invisible area (red+blue/gray) so that I can calculate angle.

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Php :: Dynamically Change An Image From An Admin Area?

Mar 9, 2011

Here's the deal: I am working on a site that provides information for art buyers. Pricing, where to buy and things like that. The page is done in php, mysql, and some jQuery here and there.One of the things they want to implement is a live stream of auctions. What they want is something like this:Where on the left you'd see the stream -instead of the black block- and on the right, the image of the work that is currently being sold, with the artist name, title and price. That's what The image on the left should change as the auction progresses.What I need is to have and option in the admin area on the page, where the administrator can select the image to display. So, to implement this, I would need to:Connect to the database to get the information: pictures, data, etc.

Loop trough the record to get a list. From that list, the user will select the image he wants shown on the webpage.Have the admin area send the image to be displayed to the page, and have the page change it dynamically, without the user having to refresh the page.The first two points are no problem, what I'm not quite sure how to do is the third one. Flash? Some from of Javascript? I leaning towards flash, but anything will do. I'm sure what I'm asking for is nothing that hasn't been done before, but my google-fu has failed me on this one. I don't need copy and paste code, if you could point me to a tutorial on this, or the basics tools I'd need, that's great.

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ActionScript 2.0 :: Dynamically Change A Buttons Hit Area?

Jun 4, 2003

Is there anyway to dynamically change a buttons hit area?

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ActionScript 3.0 :: Change Transparency Of Background Dynamically Within An Area?

Dec 13, 2011

I have two backgrounds on different layers, and an object that can be dragged around. What I want to happen is that an area around the object should be transparent so you can see the background behind the first background, and when the object is moved, the transparent area should also move. Kind of like a "see-through" effect.

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Actionscript 3 :: Dynamically Creating A Text Area Onclick?

Jul 20, 2011

I want to add a text area on the click or a button, for example lets say if a person has multiple addresses and they want to add more address. When the user clicks 'add address' a new text area should appear.I have looked everywhere for the solution but no luck

Hear is the code that I have tried (and this could be very wrong):

import mx.controls.Alert;
import mx.events.CloseEvent;
private function createTextField(evt:Event):void{
var theTextField:TextField = new TextField();

[Code]...

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ActionScript 2.0 :: Dynamically Creating Transparent Area On Movieclip

Aug 1, 2007

I have a .jpg graphic in a movieclip on layer two (1024/768). This is used as a background.I have a .jpg scrolling movieclip on layer one. It is a very wide graphic used for displaying a panorama.I would like to be able to create, dynamically using actionscript, a transparent area on the layer two movieclip (create a window) to view the underlying movieclip.I believe this is possible using the Rectangle class in the flash.geom.rectangle but I can't figure out how to attach it to the layer two movieclip or how to make it transparent so shows the underlying scrolling graphic.

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Actionscript 3 :: Erasing A Movieclip?

Oct 14, 2010

I have a fully working flash application, made in as3. Now i dynamicly added a movieclip and i would like to be able to erase that movieclip with a eraser of some sort, my goal is to be able pick up a sponge with the mouse and then start dragging over the movieclip and erasing the parts where i dragged over it.

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ActionScript 3.0 :: Erasing Drawing From Stage?

Jan 12, 2010

I tried to erase whatever was drawn on the stage by using a similar function in a recent previous post but I'm not getting it.when I try to use it an error says that this is no longer supported. I tried addChildAt() and inserted different Num but it only erased everything including my button.the current code is:
 
var drawing:Boolean = false; 
this.graphics.lineStyle(5,0x000000);this.graphics.moveTo(mouseX,mouseY);
this.addEventListener(Event.ENTER_FRAME, onLoop, false, 0, true);stage.addEventListener(MouseEvent.MOUSE_DOWN, onDown, false,0,true);stage.addEventListener(MouseEvent.MOUSE_UP, onUp, false,0,true);

[code]....

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Flex - Erasing Components On Canvas?

Oct 6, 2010

The problem is when background of top or below label is changed, the top or below button is erased.

<mx:Canvas width="100%" height="100%">
<mx:LinkButton icon="{icon1}" width="25" x="10" y="10"/>
<mx:LinkButton icon="{icon2}" width="25" x="10" y="100" />
<s:VGroup width="100%" height="100%" id="lst" click="highlight(event.target as Label)" gap="0">
<s:Label />

[Code]...

So do anyone know the possible solution for this problem?

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Actionscript 3 :: Erasing A Layer Where Mouse Is Over It?

Jul 18, 2011

I got the following question.

i added the following elements to the stage:

homeBg = new HomeBg();
homeMask = new HomeDrawBg();
addChild(homeBg);
addChild(homeMask);

I allready instantiated them in the beginning of the document. But my problem is the following. the homeBg layer is a image, the homeMask layer is the same image but it has a pencil scetch look. What i want is that wherever i move my mouse, the homemask layer should be erased so the bottom layer becomes visible(only where the mask is erased). So how can i tell the mask layer to erase itself if the mouse is over it?

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IDE :: Erasing Text Effect Masks?

Feb 25, 2009

I'm attempting to create a dry erase board style animation effect in my flash movie where I'm erasing the text, like a dry erase board type effect. I've tried doing a frame by frame mask animation and it's not turning out very well. Has anyone attempted this before? Are there any tutorials or maybe after effects > flash tricks?

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ActionScript 3.0 :: Erasing Parts Of A Bitmap?

Mar 20, 2009

I'm in need, again, of some assistance. I'm making a game with 2 pictures. and the concept is built on that you erase part of the top-bitmap to see the bitmap under.How can I accomplish this?I tried to wrap my head around the bitmaps and the draw and the FillRect but can't get it to work completely.Basically I want 2 bitmaps, and a cursor which erases parts of the top one to show the one underneath.

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ActionScript 2.0 :: Blendmode - Erasing One MovieClip From Another

Nov 10, 2009

I am trying to erase one movieclip from another using the blendmode="erase" setting, but can only get it to work on the stage as the parent. This means it erases a hole through everything! The attachmovie also doesn't seem to work as I was expecting and I was hoping that when you drag the movieclip, the attached clip would move with it? If you check out the FLA [URL] you can see whats happening right now and what I want to achieve (diagrams provided in FLA).

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ActionScript 3.0 :: Erasing A Circle From Bitmap Data?

Sep 29, 2009

I'm trying to create sort of an eraser to remove sections of a bitmap on stage.

I have achieved this by creating a MovieClip in flash that is a circle and exporting it as a Class called Hole.

Now I use this MovieClip to erase a circle section of the image using the following.

var mat = new Matrix();
var ct = new ColorTransform();
var hole = new Hole();
mat.translate(x,y);
image.draw(hole, mat, ct, "erase");

Now what im trying to do is scale the size of the circle depending on a certain variable but no matter what I try the scale doesn't seem to change and. The size seems to stay the same as I drew it in Flash. I tried adding the following line

hole.width = hole.height = size;

I even created a class file called Hole and the size as a parameter

var hole = new Hole(200);

This didn't work either it still appeared to have the same size. I have even tried altering the scaleX and Y values with no success.

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ActionScript 3.0 :: Slow Performance With Bitmap Erasing?

Nov 26, 2008

for the past couple of weeks I've been learning AS3, and for a school project I'm doing a remake of the popular DOS game Liero. Everything is working fine, I got a layer of dirt that I am shooting away, but the problem is that after a few hundred bullets, the game starts to lag heavily whenever a shot is fired.I'm using a simple bitmap and a brush to erase the parts where the bullets hit.

// Drawing stage
bmap = new BitmapData(1100,800, true, 0);
dispBmp = new Bitmap(bmap);

[code]...

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ActionScript 2.0 :: Erasing Lines Drawn With Root?

Aug 20, 2009

How can I erase lines I've drawn using
_root.lineStyle()
_root.moveTo()
And
_root.lineTo

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ActionScript 3.0 :: Pixel Have Changed To Get The Percentage Of The Complete Erasing?

Feb 2, 2010

I'm working with Threshold on BitmapData class. I need the threshold return the modified pixel (the pixels match with the equation).I need to detect how many pixel have changed  to get the percentage of the complete erasing! I did it with getPixel32/setPixel32 but it's faster with threshold (i'm doing it on 15 bitmapdata at the same time)

pixelChanged += bmp.bitmapData.threshold(bmpBrush, bmpBrush.rect, new Point(this.stage.mouseX, this.stage.mouseY), ">", 0);
 
so, each pixel bigger than 0 should match this equation ... and they will be set to 0 after that (default color value). Next time, because they are 0, pixels are not suppose to change again because 0 is not bigger than 0 ! But it still return me a value, like if the pixel have changed! I've tried with different combinaison of mask/threshold .I join a sample of my problem (drag the triangle and check the output window ... the number increase even if the pixel is transparent 0x00000000)

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ActionScript 3.0 :: Coloring (or Erasing) An Object And Checking When Complete

Jul 21, 2011

I've got to build a kids game at the moment for my school, and I was planning to have a sort of archaeological dig, with the kids required to rub the screen (it's for a touch-screen) to "un-earth" the bones underneath.I was thinking of either erasing an overlay and checking for a hitTest between the two objects, or coloring in with a line or something.Is it possible to color something in and check when the object has been completely colored? or possible to erase an overlying object? and if so, can you point me in the direction of a tutorial or a quick explanation?

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ActionScript 2.0 :: Dynamically Sized - "hit" Area Of The Buttons To Be The Same Length As LinkName

Jun 12, 2003

I have a movie in which buttons are created dynamically:

[Code]....

But, I want the "hit" area of the buttons to be the same length as linkName, because right now, the button extends way beyond the text, which doesn't look that nice. I've tried both using "autoSize" and creating a movieclip in the hit area

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ActionScript 2.0 :: DragOver - Drawing White Line By Erasing Dots

May 19, 2010

I have the raster of dots on white background. I would like it when I DragOver each dot it becomes white so it looks like you are actually drawing white line by erasing the dots. Ive somehow found the way how to do it by making it transparent when I rollover. But it doesnt work with dragover. How to do it only when I hold down the mouse button and drag my mouse over the dots?

This is the script assigned to MC with one black dot (I copied this MC with one dot into another MC and multiplied it to have the raster):
this.onRollOver = function () {
this._alpha = 0;
} this.onPress = function () {
this._alpha = 50;
}

I've tried also this, but it doesn't work:
var erasepoint = false;
this.onMouseDown = function(){erasepoint = true;}
this.onMouseUp = function(){erasepoint = false;}
this.onRollOver = function () {
if(erasepoint){
this._alpha = 0;
}}

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ActionScript 2.0 :: Difference Between RemoveMovieClip() And UnloadMovie() For Use In Erasing Duplicated Movie Clips?

Sep 21, 2006

What (if any) is the actual differance between removeMovieClip() and unloadMovie() for use in erasing duplicated movie clips (using duplicateMovieClip() )? I was looking over some of my code and noticed I used both without much rhyme or reason as to why one over the other.

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ActionScript 1/2 :: Decrease Hit Area - That Mouse Out Of To Make The Drop Down Area Pull Back?

Jul 28, 2009

i have a drop down menu am working on and each button tab (although they are not button instances !) when clicked opens up the "drop down" section which you can mouse over to choose another specific button etc - if you mouse out of that drop down area then it pulls back up to the original tab state ..  what do i change to the code below to decrease the area that you mouse out of to make the drop down area pull back .....at the moment it at least two inches on the screen below and to the right of boundaries of the drop down box before it pulls up - i want to it pull up as the mouse leaves the boundary box .... hope this makes sense .... there is some part of the actionscipt below that controls this but can work out which bit and how to change it !!! (am guessing the x mouse and y mouse bits - but how to change it ???)

[Code]...

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Actionscript 3 :: Get BitmapData From A DisplayObject Included Transparent Area, And Effect Area

Aug 5, 2011

I have this function:

public static function cloneDpObj(target:DisplayObject):Bitmap
{
var duplicate:Bitmap;

[code]....

to clone target displayObject (MovieClip or Sprite) and return Bitmap Object.

It can get bitmap from the target object, but it seem don't get all the area of the image.

By give the width and height of target object, but the target object in design was applied by Glow Effect, so my question can we get the all view of bitmapdata from a displayobject?

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ActionScript 2.0 :: Load The Area Of The Xml File Into Text Area On Mouse Click?

May 21, 2004

I would like to first add the xml to my flash. Fine I can do this.But I have a number of buttons, where when I click say CW1, i get the information from the XML file with a node of CW1. I have all the xml set up fine.As I have about eight different postcode types.

ST, CW, CH, TF, WV, WS, DE, SK, SY, and each of these may have numbers that follow, i.e ST1, ST2, ST3 and so forth.

So I can only assume that the postal area could be the main nodes, and the numbers inside the child nodes, am I right thus far.o how can i load the area of the xml file into my text area on mouse click, pulling the information relating.

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ActionScript 2.0 :: Draw *only* On The Board Area (a 450 X 350 Pixels Area) Instead On The Whole Movie

May 30, 2004

However I'd need to be able to draw *only* on the board area (a 450 x 350 pixels area) instead on the whole movie... how to "tweak it?" Here's the fla: [URL]

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ActionScript 2.0 :: [Ask] Object Moving In Limited Area Or Masked Area

Jun 15, 2011

I have Particle animation like this this PHP Code:

[Code]...

But i want that Object moving in limited area or masked area. I add masked area like this PHP Code:

[Code]...

But it still not working. Any advice ?? or correction in my script code?

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ActionScript 2.0 :: Declare An Area Then If Mouse Is Clicked In Area Then

Nov 29, 2009

I'm programming a game for my Advanced Higher Computing class, and am doing a whack a mole style game. I am trying to program for the bit where when you click the moving movie clip, then the score is increased by 1.

if(mousedown){
if(movieClip contains mouseXCoOrd){
if(movieClip contains mouseYCoOrd) {
score ++
}
}
}

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