Flash - Programmatically Draw A (drop) Shadow?
Jul 21, 2011
This probably goes for all programming languages. I use Adobe Flash AS3 and for some reason that is boyond this post, I cannot use built-in dropshadow filters. I do, however, have bitmap data available, with color and alpha values. So there should be a way to draw my own dropshadow filter.... right? Any good existing algorithms I should go and check out? Not specifically looking for an AS3 implementation, any other example will probably allow me to convert the code.
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Feb 20, 2009
i have been searching the internet for a bit, and maybe i don't know what to look for but i know filters have stage scaling enable, not sure that is what i am dealing with but for some reason i can not scale a movieclip that contains a movieclip with a drop shadow filter without the drop shadow acting like the light source has changed, have tried copying the bitmapdata....anyone know how to "freeze" the drop shadow.
[Code]...
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Dec 8, 2011
I'm using this code from a tutorial in a video
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It works pretty well, the only problem is that it makes the video much slower. If I take out the Drop Shadow Effect the video plays well. Is there a way to apply a Drop Shadow with AS3 without making the Video slower?
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Jun 2, 2011
I am trying to make a xml based portfolio in Flash CS5. I want to use a UILoader to load external images, but I want the images to have a drop shadow when displayed. I tried saving the image with a drop shadow in Photoshop with a .png format. When it was uploaded the image didn't show the drop shadow and had jaggy edges. Normally I use a filter in Flash but the option isn't available for the UILoader object. if there is a way my images can be displayed with a drop shadow, otherwise I will do without.
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Sep 27, 2010
I have a complex graphics data on a sprite or a shape (no matter which is exactly). But I want to draw shadow (inner too) for one Rect ( [10, 10, 240, 25] for example) or another path.
[Code]...
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Aug 13, 2010
As a UI specialist, I am often asked to build tool-tip displays and other sorts of popups that display text. One of styles clients seem most keen on is text in a comic-book balloon. I would like to create this balloons programmatically (as opposed to embedding or linking to rendered graphics), because these balloons will have to change size at runtime, depending on how much text they have to hold.
Balloons are easy to draw for the most part: circles, rectangles or rounded-corner rectangles. The tough part, for me, is the tail (the little arrow-like part of the comic balloon that points towards the speaker). If you google comic balloon, you see that there are many varieties of tails. They ones clients request from me most often are curved. E.g...
[URL]
The tail will always be on the bottom of the balloon, and it will sometimes point left and sometimes point right. I have been trying to come up with tail-drawing algorithms for a while, but I'm not happy with the results. I'm basically stumbling around in the dark, changing variables, looking at the results, and using trial and error to try to move closer to the magic numbers that will work. "Work" just means a result that looks pleasing, which I realize is subjective. Most of my clients will be a happy with anything that looks reasonably good and professional.
I want this result to scale. And it would be great if it could work with as few inputs as possible, maybe just isFacingLeft, tailWidth and tailHeight (Which could maybe be a percentage of the whole balloon). Maybe an adjustable curveAmount.
If it matters, I'm using Flash/Actionscript, but any system that has some sort of turtle graphics engine should work pretty much the same way: I'm working with that standard flipped Cartesian grid (y increases downward), x and y coordinates, the ability to move a pen, draw lines and draw curves.One caveat: Flash only allows me to draw 3-point bezier curves -- start point, control point, end point.
Note: balloons won't have to scale after the are drawn.
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Aug 14, 2009
[URL]See the scrolling text on the flash banner? I added drop shadow filter to it and it isn't showing up, the drop shadow isn't there. I am making that scrolling happen with action script?
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Mar 25, 2010
First i made the images with drop shadows in Illustrator and they looked fine there. When i copied them in to Flash they became pixelated.
I then got rid of the drop shadow in Illustrator and re-made it directly in Flash using the Filter/Drop Shadow property. It still is coming out very pixelated, even on "high quality" setting.
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Sep 14, 2010
I'm using Flash CS5 on Macintosh.Googling has led me to maybe a dozen tutorials on creating a drop shadow in Flash, so I understand how the procedure is supposed to work. Select the object and then look for "Filters" and apply the "Drop shadow" filter. Simple enough.But it seems that you can only apply a filter to an "object." The things I've been trying to create a shadow on are of type "drawing object." Everything else I've tried to create or import has some other name, and none of them have the Filters menu.I'm embarrassed to have to ask about something that should be (and according to all the tutorials is) drop-dead simple, but I just don't see any way to create a drop shadow in Flash.
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Oct 19, 2010
I'm trying to add drop shadow to text, however, I don't see the "filters" panel. I'm not sure how to enable it.I've uploaded a screenshot of my current workspace, maybe someone can tell me where I go to enable the filters window/panel: URL...
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May 23, 2007
Is it possible to control the properties (ie angle, distance, alpha, knockout, etc) of a drop show effect using actionscript?
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Mar 10, 2009
So, the good news is that I've got this about 90% solved. Anyway, I'm trying to use TweenMax to have a drop shadow fade up on a Mouse Event (on a roll out). Everything works fine except for the shadow color. I've got it set to black (0x000000), but it's making a shadow that's the same color as the menubar sprite it's trying to shadow.
In other words: I've got a bright blue menu button, and it's giving it a bright blue shadow, despite the fact that I've got the color value set to 000000. Basically, I've got some code to put together the parts of the menubar (size, shape, text, shadow, etc.)
[Code]...
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Jul 2, 2011
Flash CS5
Is it possible to add drop shadow to plan views of vehicles (vehicles are png images as MovieClips) such that as the vehicles change direction along roads (also png images) the shadow is always cast to north west ot the vehicle ? Buildings in the base png image have shadows but vehicles also need them so as to belong to the scene and not appear false.
Is there control over opacity and softness ?
If I were to have plan views of humans walking would the shadows follow the leg movements ?
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Jul 2, 2009
Does anyone know how to remove the default drop shadow from ApplicationControlBar?[code]...
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Nov 22, 2011
How do you obtain a chromeless window with a drop shadow with air 2.6 ?
Here is my -app.xml setup :
<initialWindow>
<content>maker.swf</content>
<systemChrome>none</systemChrome>
<transparent>true</transparent>
[Code]......
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Apr 29, 2009
How to make a mask with a drop shadow? Ive seen it on websites so know it is possible can't seem to find anything online .
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Apr 25, 2008
How can I make a rollover, where when you mouse over, a scripted drop shadow appears using the DropShadowFilter?
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Aug 2, 2011
I have a grey rectangle, with a drop shadow that I use as a backdrop for some portfolio images, to view the images and and their explanation I have set up some rollover buttons at the side. Now every piece of type or image I lay over the grey box also has a drop shadow, no matter what I do, they have nothing attached to them in the filter menu....
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May 26, 2010
I'm currently experimenting flex 4 skinning. I successfully skinned most of the components i need for my application, but i can't find a way to avoid this damn blue drop shadow which is displayed when u'r focused on a textfield or a combobox.
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Oct 4, 2010
I have some textfields generated from code, and if I apply a drop shadow filter on them, sometimes the right or the bottom part of the textfields' border just disappear.
Code:
_passwordField.filters = [new DropShadowFilter(1, 45, 0, .75, 3, 3, 1, BitmapFilterQuality.HIGH)];
this is the line of code, which is responsible for this bug (is it a bug?) because if I comment it out, the borders render correctly.
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Jun 18, 2007
I've dynamically drawn a gradient background on a little widget I've built (pulls in EPA/National Allergy Bureau climate data from a vendor, if you're curious), and I have applied an AS 2.0 drop shadow filter to the background. Standard stuff...except...
...I embedded the SWF using SWFObject and matching the dimensions of the widget stage exactly. And the left/right edges are cutting off. Are there any guidelines for using a background AS 2.0 drop shadow filter and accommodating the filter with the embed? It's a 10px (5px depth, 5px blur) 90-degree filter, and I left room on the stage for the 10px below the background. But the "edge" I expect to see on the embed isn't showing up.
Here's the filter code, BTW:
Code:
outlineShadow = new DropShadowFilter(5,90,0x000000,0.33,5,5,1,2,false,false,false);
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Nov 17, 2009
Is there a way to add an inner drop shadow using TweenLite? I'm trying to add it to an input text field that I've created. I don't want to have to load an image, but I think i might have to.
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Jun 4, 2010
how to draw an arrowhead facing either left or right programmatically with as3? The arrowhead should be a filled triangle pointing either left or right.
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Sep 9, 2011
How to remove the cursor shadow (black shadow), when we use onChanged function, am validating the value from what I enter from keyboard
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Jul 23, 2009
I need some actionscript code to simulate the dragging and dropping of a Sprite, I was wondering if it is possible to do so? if it is how?
For example to simulate a click on a Sprite I can achieve with the following line of code.
sprite.dispatchEvent(new MouseEvent(MouseEvent.CLICK));
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Feb 23, 2011
I have the following code which create a small drag and drop interaction, with a connecting line being drawn between the two elements. I want to add a Submit button to the mix to allow the user to complete the interaction and then find out which ones where correct and which ones were wrong. Removing the lines from the incorrect ones and leaving the correct ones in place. I've tried setting up a function to switch some variables to true when the interaction has been completed succesfully but am coming upstuck...
Actionscript Code:
var score:Number = 0;var startX:Number;var startY:Number;var startLineX:Number;var startLineY:Number;//set up variables for true/falsevar circleMccomp:Boolean = false;var squareMccomp:Boolean = false;var errowMccomp:Boolean = false;var polygonMccomp:Boolean =
[code]....
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Sep 20, 2010
I want to make a game which uses a light effect similar to left4kdead (link). I just can't seem to be able to find how this effect is called. It will be strictly 2d top-down view.
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May 15, 2006
manage to create softshadow and there is a background on it.URL...the two girl have a white soft shadow on it. From what i know, the only way to do it is in photoshop but the background cannot be remove. Or bring a gif but the shadow won't be solid.
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Aug 22, 2006
I'm attempting to create a dynamic perspective shadow system in Flash 9 (AS 3) that would have the following constructor:
ActionScript Code:
public function PShadow(mcClipToShadow:MovieClip, nAngle:Number = 45, nDistance:Number = 20, nAlpha:Number = 90, nBlur:Number = 10, nXOffset:Number = 0, nYOffset:Number = 0)
{
//do stuff
}
The function would duplicate the mcClipToShadow MovieClip to use as the base shadow, apply a 100% black tint, set the alpha to nAlpha, and apply a blur filter with Blur X = Blur Y = nBlur. Then a transformation Matrix would be applied that would skew the shadow sprite so that it was cast in the nAngle direction with length nDistance.
The only part that I'm having trouble with is solving the math for the Matrix. I've played a lot with the swf's in your tutorial to better understand how the matrix manipulates things, but I'm still having troubles doing the math properly. My goal is to simply plugin the variables from the constructor into the Matrix constructor and the proper shadow will result.
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Dec 31, 2010
I have created a file where I have a custom mouse cursor using the following code:
Mouse.hide(); cursor_mc.startDrag(true); I have the mouse cursor in its own layer on the main timeline. In a layer below this one I have a movieclip symbol that when clicked I want to move to frame two of its own timeline and play.
The code I use for this is inside the movieclip symbol itself and it is:
squaremc.addEventListener(MouseEvent.CLICK, fl_ClickToGoToAndPlayFromFrame_2);
function fl_ClickToGoToAndPlayFromFrame_2(event:MouseEvent) :void
{
gotoAndPlay(2);
}
The problem is the darn thing only works when the cursor symbol is in a layer below the movieclip on the main timeline and not in a layer above the movieclip on the main timeline. It wont even work when the custom cursor is in the same layer as the movieclip symbol.
Is there a work around to this or something else I could try. In actioscript 2.0 this never was a problem.
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