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Relative animation for translateX

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This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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Why are TweenLite and TweenMax unable to animate x / translateX using relative (+= 20px) positions?


This simple demo works fine:

See the Pen bAxqC by anon (@anon) on CodePen

But using a relative position doesn't:

The documentation clearly says...


You can define relative values, like rotation:"+=30"


See the Pen kzgcK by anon (@anon) on CodePen

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I managed to get around this issue by initializing all of my elements with a transform event and then animating them relative to the computed value.

var position = this._gsTransform.x - (distance * direction);
TweenLite.to(this, 1, {x: position});


It seems silly this wouldn't be supported natively! Is there a reason it isn't?

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Hi rachel  :)


pls remove " px " from values , and that'ill work ,this operator " += " ill increase only numeric value !

and for X/Y property , you dont need " px " too .

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