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How can I animate an object to the center of a container?

Aug 1, 2011 7:52 PM

I've been having some trouble with this recently. If I have an object in a container centered using object.horizontalCenter = 0, how can I move it (animated) away, then back to the center? I understand it is possible using s:move and specifying xBy to move the object away, then -xBy to bring the object back. Here is an example:


<s:Move id="moveLeft" xBy="-100" />
<s:Move id="moveRight" xBy="100" />


//moves object to the left[myObject]);

//moves object back to its original position[myObject]);


Although this works, it gets difficult when you are dealing with multiple objects (think a stack of objects), and causes a lot of trouble when moving through multiple items in the stack at a time.


The solution I came up with is logically simple:

object A is currently centered, object B and object C are out of frame

  1. Set object B x to 100 pixels right of the center
  2. Use s:Move to animate object A x to 100 pixels left of the center
  3. Use s:Move to animate object B x to the center


The issue with the above solution is that the pixel values of xTo in the s:Move effect are relative to the left of the parent container. Is it possible to have the pixel values of xTo in the s:Move effect to be relative to the center of the parent container?


tl;dr How can I use <s:Move ... xTo="0" /> to center an object in a container?




  • Currently Being Moderated
    Aug 1, 2011 11:44 PM   in reply to _danada

    try to do moving on the container

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  • Currently Being Moderated
    Aug 2, 2011 8:53 PM   in reply to _danada

    could you create a demo project that show you problem ,and upload your project,so i can the way,English is not my mother-language

    Mark as:

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