Using BlurFilter
Hi,
I'm trying to create a "motion blur" effect on a movie clip
that contains a child clip/ sprite whose child clips/ sprite
contain bitmap data using this function
quote:
private function dispatchOnEnterFrame(e) {
if (Math.round(Math.abs(finalX-cX))<1) {
holder.removeEventListener(Event.ENTER_FRAME,dispatchOnEnterFrame);
return;
imgHolder.x+=Math.round(finalX-imgHolder.x)/6;
cX+=(finalX-cX)/12;
var per=100*(10-(finalX-cX)/diffX);
_percentage+=(per-_percentage)/12;
var blur:BlurFilter = new BlurFilter();
blur.quality = BitmapFilterQuality.MEDIUM;
blur.blurX=10-(.5)*Math.sin(Math.PI*_percentage/100);
blur.blurY=10-(.5)*Math.sin(Math.PI*_percentage/100);
trace(blur.blurY);
holder.filters = [blur];
On an on click the the child clip is scrolled to a position
and the blur filter is supposed to be changed from a blurred to
none. However only on the first advancement it blurs and changes.
Further more i'm not even sure the blur filter sequence is working.
commenting out the blurring sequence the clip's blurred doesn't
stay for some reason...however i'm not sure
I'm using code from the tutorial
http://www.actionscript.org/resource...ial/Page1.html
What causes the clip to "lose the blur". I'm substituting the
scaling with the blurring
is it that when you ad a child to a blurred movieclip that
blurfilter is removed?
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I found this class today which is really cool:
http://www.gskinner.com/blog/archives/2007/11/fire_effect_com.html
However, I've never used a public class before. I've been reading up on them all morning. I'll provide the code for it here as well. Anyway, the author also provides a sample application using the class; however, it's a bit different than what I've been reading. He doesn't call the class in his code;however, it seems he has the class in his library, which is news to me.
Anyway, the biggest thing I'm after is trying to design my own application calling this class and just hardcoding the fire aspects in my application. However, I'm coming up empty at every angle. Any help would be much appreciated!
Here's the class he created:
* FireFX by Grant Skinner. May 30, 2007
* Visit www.gskinner.com/blog for documentation, updates and more free code.
* You may distribute and modify this class freely, provided that you leave this header intact,
* and add appropriate headers to indicate your changes. Credit is appreciated in applications
* that use this code, but is not required.
* Please contact [email protected] for more information.
package com.gskinner.effects {
import flash.display.BitmapData;
import flash.geom.Matrix;
import flash.geom.Point;
import flash.geom.ColorTransform;
import flash.filters.ColorMatrixFilter;
import flash.filters.BlurFilter;
import flash.filters.DisplacementMapFilter;
import flash.display.Sprite;
import flash.display.MovieClip;
import flash.events.Event;
import flash.display.Bitmap;
import flash.display.DisplayObject;
public class FireFX extends Sprite {
private var _fadeRate:Number=0.4;
private var _distortionScale:Number=0.4;
private var _distortion:Number=0.5;
private var _flameHeight:Number=0.3;
private var _flameSpread:Number=0.3;
private var _blueFlame:Boolean = false;
private var _smoke:Number = 0;
// private properties:
// display elements:
private var displayBmp:BitmapData;
private var scratchBmp:BitmapData;
private var perlinBmp:BitmapData;
// geom:
private var mtx:Matrix;
private var pnt:Point;
private var drawColorTransform:ColorTransform;
// filters:
private var fireCMF:ColorMatrixFilter;
private var dispMapF:DisplacementMapFilter;
private var blurF:BlurFilter;
// other:
private var endCount:Number;
private var bmpsValid:Boolean=false;
private var perlinValid:Boolean=false;
private var filtersValid:Boolean=false;
private var _target:DisplayObject;
public function FireFX() {
var frame:DisplayObject = getChildAt(0);
frame.visible = false;
frame.height = height;
frame.width = width;
scaleX = scaleY = 1;
mtx = new Matrix();
pnt = new Point();
startFire();
// getter/setters:
override public function set width(value:Number):void {
bmpsValid &&= (value == width);
super.width = value|0;
override public function get width():Number {
return super.width;
override public function set height(value:Number):void {
bmpsValid &&= (value == height);
super.height = value|0;
override public function get height():Number {
return super.height;
[Inspectable(defaultValue=0.4,name='fadeRate (0-1)')]
* Sets the rate that flames fade as they move up. 0 is slowest, 1 is fastest.
* @default 0.4
public function set fadeRate(value:Number):void {
filtersValid &&= (value == _fadeRate);
_fadeRate = value;
public function get fadeRate():Number {
return _fadeRate;
[Inspectable(defaultValue=0.4,name='distortionScale (0-1)')]
* Sets the scale of flame distortion. 0.1 is tiny and chaotic, 1 is large and smooth.
* @default 0.4
public function set distortionScale(value:Number):void {
perlinValid &&= (value == _distortionScale);
_distortionScale = value;
public function get distortionScale():Number {
return _distortionScale;
[Inspectable(defaultValue=0.4,name='distortion (0-1)')]
* Sets the amount of distortion. 0.1 is little, 1 is chaotic.
* @default 0.4
public function set distortion(value:Number):void {
filtersValid &&= (value == _fadeRate);
_distortion = value;
public function get distortion():Number {
return _distortion;
[Inspectable(defaultValue=0.3,name='flameHeight (0-1)')]
* Sets the how high the flame will burn. 0 is zero gravity, 1 is a bonfire.
* @default 0.3
public function set flameHeight(value:Number):void {
perlinValid &&= (value == _flameHeight);
_flameHeight = value;
public function get flameHeight():Number {
return _flameHeight;
[Inspectable(defaultValue=0.3,name='flameSpread (0-1)')]
* Sets the how much the fire will spread out around the target. 0 is no spread, 1 is a lot.
* @default 0.3
public function set flameSpread(value:Number):void {
filtersValid &&= (value == _flameSpread);
_flameSpread = value;
public function get flameSpread():Number {
return _flameSpread;
[Inspectable(defaultValue=false,name='blueFlame')]
* Indicates whether it should use a blue or red flame.
* @default false
public function set blueFlame(value:Boolean):void {
filtersValid &&= (value == _blueFlame);
_blueFlame = value;
public function get blueFlame():Boolean {
return _blueFlame;
[Inspectable(defaultValue=0,name='smoke (0-1)')]
* Sets the amount of smoke. 0 little, 1 lots.
* @default 0
public function set smoke(value:Number):void {
filtersValid &&= (value == _smoke);
_smoke = value;
public function get smoke():Number {
return _smoke;
[Inspectable(defaultValue='',name='target')]
* Sets the amount of smoke. 0 little, 1 lots.
* @default
public function set targetName(value:String):void {
var targ:DisplayObject = parent.getChildByName(value);
if (targ == null) {
try { targ = parent[value] as DisplayObject; }
catch (e:*) {}
target = targ;
* Defines the shape of the fire. The fire will burn upwards, so it should be near the bottom, and centered in the FireFX component.
* @default
public function set target(value:DisplayObject):void {
_target = value;
clear();
public function get target():DisplayObject {
return _target;
* Clears the fire.
public function clear():void {
if (displayBmp) {
displayBmp.fillRect(displayBmp.rect,0);
* Stops the fire effect after letting it burn down over 20 frames.
public function stopFire():void {
// let the fire burn down for 20 frames:
if (endCount == 0) { endCount = 20; }
private function updateBitmaps():void {
if (displayBmp) {
displayBmp.dispose();
displayBmp = null;
scratchBmp.dispose();
scratchBmp = null;
perlinBmp.dispose();
perlinBmp = null;
displayBmp = new BitmapData(width, height, true, 0);
scratchBmp = displayBmp.clone();
perlinBmp = new BitmapData(width*3, height*3, false, 0);
while (numChildren) { removeChildAt(0); }
addChild(new Bitmap(displayBmp));
updatePerlin();
updateFilters();
bmpsValid = true;
private function updatePerlin():void {
perlinBmp.perlinNoise(30*_distortionScale,20*_distortionScale,1,-Math.random()*1000|0,fals e,true,1|2,false);
perlinBmp.colorTransform(perlinBmp.rect,new ColorTransform(1, 1-_flameHeight*0.5 ,1,1,0,0,0,0));
perlinValid = true;
function updateFilters():void {
if (_blueFlame) {
fireCMF = new ColorMatrixFilter([0.8-0.55*_fadeRate,0,0,0,0,
0,0.93-0.48*_fadeRate,0,0,0,
0,0.1,0.96-0.35*_fadeRate,0,0,
0,0.1,0,1,-25+_smoke*24]);
drawColorTransform = new ColorTransform(0,0,0,1,210,240,255,0);
} else {
fireCMF = new ColorMatrixFilter([0.96-0.35*_fadeRate,0.1,0,0,-1,
0,0.9-0.45*_fadeRate,0,0,0,
0,0,0.8-0.55*_fadeRate,0,0,
0,0.1,0,1,-25+_smoke*24]);
drawColorTransform = new ColorTransform(0,0,0,1,255,255,210,0);
dispMapF = new DisplacementMapFilter(perlinBmp,pnt,1,2,14*_distortion,-30,"clamp");
blurF = new BlurFilter(32*_flameSpread,32*_flameSpread,1);
filtersValid = true;
private function startFire():void {
endCount = 0;
addEventListener(Event.ENTER_FRAME,doFire);
private function doFire(evt:Event):void {
if (_target == null) { return; }
if (!bmpsValid) { updateBitmaps(); }
if (!perlinValid) { updatePerlin(); }
if (!filtersValid) { updateFilters(); }
if (endCount == 0) {
var drawMtx:Matrix = _target.transform.matrix;
drawMtx.tx = _target.x-x;
drawMtx.ty = _target.y-y;
scratchBmp.fillRect(scratchBmp.rect,0);
drawColorTransform.alphaOffset = -Math.random()*200|0;
scratchBmp.draw(_target,drawMtx,drawColorTransform,"add");
scratchBmp.applyFilter(scratchBmp,scratchBmp.rect,pnt,blurF);
displayBmp.draw(scratchBmp,mtx,null,"add");
dispMapF.mapPoint = new Point( -Math.random()*(perlinBmp.width-displayBmp.width)|0, -Math.random()*(perlinBmp.height-displayBmp.height)|0 );
displayBmp.applyFilter(displayBmp,displayBmp.rect,pnt,dispMapF);
displayBmp.applyFilter(displayBmp,displayBmp.rect,pnt,fireCMF);
if (endCount != 0 && --endCount == 0) {
removeEventListener(Event.ENTER_FRAME,doFire);
Then, this is the sample application he gave:
import fl.controls.Slider;
import fl.controls.Label;
import fl.events.SliderEvent;
var params:Array = ["distortion","distortionScale","fadeRate","flameHeight","flameSpread","smoke"]
var l:uint = params.length;
for (var i:uint=0; i<l; i++) {
var label:TextField = new TextField();
label.textColor = 0;
label.text = params[i];
label.width = 140;
label.x = 350;
label.y = 55+50*i;
addChild(label);
label = new TextField();
label.textColor = 0x999999;
label.text = "0.35";
label.name = params[i]+"fld";
label.width = 30;
label.x = 490;
label.y = 55+50*i;
addChild(label);
var slider:Slider = new Slider();
slider.name = params[i];
slider.minimum = -2;
slider.maximum = 2;
slider.addEventListener(SliderEvent.THUMB_DRAG,handleSlider);
addChild(slider);
slider.x = 350;
slider.width = 170;
slider.y = 75+50*i;
slider.snapInterval = 0.05;
slider.value = 0.35;
fireFX[params[i]] = 0.35;
function handleSlider(evt:SliderEvent):void {
fireFX[evt.target.name] = evt.target.value;
(getChildByName(evt.target.name+"fld") as TextField).text = String(evt.target.value);
blueFlame.addEventListener(Event.CHANGE,handleCheckBox);
hideText.addEventListener(Event.CHANGE,handleCheckBox);
function handleCheckBox(evt:Event):void {
fireFX.blueFlame = blueFlame.selected;
obj.visible = !hideText.selected;
Thanks again.Looks like he has fireFX instance on the timeline. Most probably this instances symbol base class is com.gskinner.effects.FireFX
You just need to create a directory structure that reflects his package:
com/gskinner/effects/
where you place his FireFX.as
Or, alternatively, you can remove package path from the class header and place FireFx where all you classes (or your application) are:
package com.gskinner.effects {
to
package {
Then you will just need to instantiate the class. -
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I also try blur filter on my bitmap:
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Please take a look at the attached pictures for more detail ... thank you.
TX
var dir:int = 1;
var T:Timer = new Timer(1);
T.addEventListener(TimerEvent.TIMER, flap);
function flap (Event:TimerEvent):void
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//import flash.filters.BlurFilter.quality;
Event.updateAfterEvent();
T.start ();var dir:int = 1;
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//(10, 10, BitmapFilterQuality.HIGH);
//var gf:GlowFilter = new GlowFilter
//(10, 10, BitmapFilterQuality.HIGH);
import fl.transitions.Tween;
import fl.transitions.easing.*;
import fl.transitions.TweenEvent;
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var blurY:Number = 80;
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t.addEventListener (TweenEvent.MOTION_CHANGE,f);
function f (e:Event)
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dragonfly_mc.wings_mc.filters = [bf];
t.addEventListener (TimerEvent.TIMER, flap);
function flap (Event:TimerEvent):void
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if ((dragonfly_mc.wings_mc.scaleX>=1&&dir>0) ||
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Also take a look at these help files to see if they help you:
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http://helpx.adobe.com/muse/tutorials/typography-muse-part-2.html
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http://support.apple.com/kb/ht4895
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iPhone, iPad, or iPod touch:
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Mac:
Enter the Apple ID you want to use for iCloud in Apple () menu > System Preferences > iCloud.
Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in Store > Sign In. In iTunes 11, you can also click iTunes Store > Quick Links: Account.
PC (Windows 8):
Enter the Apple ID you want to use for iCloud in the Control Panel. To access the iCloud Control Panel, move the pointer to the upper-right corner of the screen to show the Charms bar, click the Search charm, and then click the iCloud Control Panel on the left.
Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in iTunes. In iTunes 10, select Store > Sign In. In iTunes 11, click iTunes Store > Quick Links: Account.
PC (Windows 7 and Vista):
Enter the Apple ID you want to use for iCloud in Control Panel > Network and Internet > iCloud.
Enter the Apple ID you want to use for Store purchases (including iTunes in the Cloud and iTunes Match) in iTunes 10 in Store > Sign In. In iTunes 11, click iTunes Store > Quick Links: Account.
Note: Once a device or computer is associated with your Apple ID for your iTunes Store account, you cannot associate that device or computer with another Apple ID for 90 days. Learn more about associating a device or computer to your Apple ID.
Thanks for using the Apple Support Communities!
Cheers,
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All,
I'm using SQVI to generate an excel spreadsheet for some buyers to show open released schedule lines because they are a 1 line item per scheduling agreement company.
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I have faced same requirement. I am not sure about transporting to TST and PROD. I done by this way.
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Regards,
Ravi. -
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I bought the adapter from Apple & hooked up my LCD monitor to the MacBook, but the video I get on the monitor is different that on my laptop. It has an old screen background & the dock but nothing on my desktop shows up. Also, when I'm plugged to the monitor, my dock disappears on the laptop screen. Is there some setting I need to change? It worked fine with my G4 PowerBook.
Thanks for any help....
MacBook Mac OS X (10.4.6)i use the mini dvi-vga adapter in my classroom almost everyday. It sounds like your new monitor is running as a side by side monitor to your display instead of a "replacement" display.
To get your projector/monitor to basically show whatever is on your macbook screen once you've hooked up press F7....this should make your projector/monitory become your display with your dock & all of your desktop stuff. Your new monitor will completely mirror your display.
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Using a mini-DVI to video adapter
I have connected the video adapter and everything works fine. I use the internet for my video source and I was just wondering, is it possible to have video playing fullscreen on the tv and have another window open on my desktop that I can work with without disrupting the video from the browser? Every time I watch something I am unable to work on my computer while the video is playing.
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~Lyssa -
Display problems using mini-dvi to video adapter
I recently purchased the mini-dvi to video adapter for my powerbook to use my TV as a monitor and to play pictures and videos from the laptop to the TV. I am getting a full color display on the TV, but it's only the screen saver. None of my files, text, or any other desktop folders or menus appear when I open them up on the laptop. The only screen that opens is the display preferences when I open that up, but it's a different set of preferences than what's in my computer's display preferences, as it's header is "NTSC/PAL". But other than that 1 menu, nothing is appearing but the screen saver.
OK, I discovered that I didn't know what I was doing. With the Mini-DVI to video adapter, you need to use an S-Video cable that plugs into an S-video jack on the TV, and then you need a separate cable to plug into the audio out jack on the MacBook to plug into the TV.
I think you could also use an S-video to RCA component cable if you have a TV with component video input, but I couldn't get that to work so I went to the s-video to s-video cable.
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