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animation of background-image fitting to window size

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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 Some information, especially the syntax, may be out of date for GSAP 3.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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I´m still very happy to tween a little.


This extreme panorama motif is animated perfectly using background-image and GASP.

Please have a look at the exsisting project: http://www.privatstrasse-hamburg.de


Pending on the relative width the animation should have a proper fitting "speed".

I benefit from several postings of this forum - thanks to all - and came to this way:


Is that a proper solution?


Best regards


See the Pen jEERNg by mikeK (@mikeK) on CodePen

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Hi mikel ( Manfred :)


Unfortunately i can't understand what you looking for !


what's your problem with this , just one line code :

TweenMax.to(zeile, 30, {backgroundPosition: "100% 0px", repeat: -1, repeatDelay:2, yoyo:true, ease:Linear.easeNone}); 
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Hi Diaco


Thanks for your comment.


Sure, the animation is fine pending on window width.

My question: How optimize the duration?

Slower at smaller window size - faster at wider ones.

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