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Using the blur filter with the tween class

Posted on 2008-06-11
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Last Modified: 2012-05-05
Hi all,

I want to blur an object from say 25 to 0 using the blur filter and the tween class. So far I have:

var blur:Tween= new Tween(my_mc,"blurX",Strong.easeOut,45,0,2,true);
my_mc.filters = [new BlurFilter];

The object stays blurred at 45. I want it to go from 45 to no blur ie 0
Can you help, thanks.
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Question by:systems_mitsui
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7 Comments
 
LVL 18

Expert Comment

by:Antonio Estrada
ID: 21764216
Here you go:

-V
import mx.transitions.Tween;
import flash.filters.BlurFilter;
 
var myTween:Tween = new Tween(my_mc,"blur",Strong.easeOut,45,0,2,true);
myTween.onMotionChanged = function() {
	var blurFilter:BlurFilter;
	var filterArray:Array = new Array();
	blurFilter = new BlurFilter(my_mc.blur,my_mc.blur,2);
	filterArray.push(blurFilter);
	my_mc.filters = filterArray;
}

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Author Comment

by:systems_mitsui
ID: 21764428
Hi,

I used your script but object is still staying blured, not going to 0
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LVL 18

Expert Comment

by:Antonio Estrada
ID: 21764519
Interesting...

Here's a *.fla sample for you to check out.

http://evilrealm.polygonized.com/BlurTween.fla

-V
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Author Comment

by:systems_mitsui
ID: 21776719
Hi bud, you code worked.

However when I amended it to do a tween of X first, then use onMotionFinished to call a blur function afterwards it just doesn't move, then does a long blur.


How can I do X and Y tween, then invoke the onMotionfinished to do a blur, or more importantly do a blur as it moves across an  X or Y line [to simulate fast motion]
Here is the code I now have

import mx.transitions.Tween;
import flash.filters.BlurFilter;
 
 
var myTween:Tween =new Tween(my_mc,"_x",158.0,180.0,Bounce.easeOut,1,true);

 
 myTween.onMotionFinished=function() {

      var myTween:Tween = new Tween(my_mc,"blur",Strong.easeOut,45,0,2,true);

        var blurFilter:BlurFilter;
        var filterArray:Array = new Array();
        blurFilter = new BlurFilter(my_mc.blur,my_mc.blur,2);
        filterArray.push(blurFilter);
        my_mc.filters = filterArray;
}


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LVL 18

Expert Comment

by:Antonio Estrada
ID: 21779504
Ah, you want to have 3 Tweens at the same time.

An _x Tween, a _y Tween and a blur Tween.

Here are three examples:

<code>

-V
/* Example 1: _x and blur Tweens (simulating fast motion) */
 
import mx.transitions.Tween;
import flash.filters.BlurFilter;
 
var xTween:Tween = new Tween(my_mc,"_x",Strong.easeOut,0,280,2,true);
var blurTween:Tween = new Tween(my_mc,"blur",Strong.easeOut,45,0,2,true);
blurTween.onMotionChanged = function() {
        var blurFilter:BlurFilter;
        var filterArray:Array = new Array();
        blurFilter = new BlurFilter(my_mc.blur,0,2);
        filterArray.push(blurFilter);
        my_mc.filters = filterArray;
}
 
/* Example 2: _y and blur Tweens (simulating fast motion) */
 
import mx.transitions.Tween;
import flash.filters.BlurFilter;
 
var yTween:Tween = new Tween(my_mc,"_y",Strong.easeOut,0,280,2,true);
var blurTween:Tween = new Tween(my_mc,"blur",Strong.easeOut,45,0,2,true);
blurTween.onMotionChanged = function() {
        var blurFilter:BlurFilter;
        var filterArray:Array = new Array();
        blurFilter = new BlurFilter(0,my_mc.blur,2);
        filterArray.push(blurFilter);
        my_mc.filters = filterArray;
}
 
/* Example 3: _x, _y and blur Tweens */
 
import mx.transitions.Tween;
import flash.filters.BlurFilter;
 
var xTween:Tween = new Tween(my_mc,"_x",Strong.easeOut,0,280,2,true);
var yTween:Tween = new Tween(my_mc,"_y",Strong.easeOut,0,280,2,true);
var blurTween:Tween = new Tween(my_mc,"blur",Strong.easeOut,45,0,2,true);
blurTween.onMotionChanged = function() {
        var blurFilter:BlurFilter;
        var filterArray:Array = new Array();
        blurFilter = new BlurFilter(my_mc.blur,my_mc.blur,2);
        filterArray.push(blurFilter);
        my_mc.filters = filterArray;
}

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Accepted Solution

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Antonio Estrada earned 500 total points
ID: 21856872
So, did you try this out?

-V
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Author Closing Comment

by:systems_mitsui
ID: 31476611
Sorry, been away on biz and hols. Yes it worked fine thank you
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