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jasonduquain

Request help for an animation using Intersection Observer

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Hello,

I have a basic animation for 3 items. It is from a section of a site I am building so I cleaned it up just to show the essentials. The 3 sections all animate once they are in the viewport. It is working but I really feel like there might be an easier way to set this up with less code. If this is the best option then I will go with it. But if anyone sees anything that can be improved (either with less code and/or better performance) please let me know. 

Also a huge thanks to the posts in this thread: 

https://greensock.com/forums/topic/20831-svg-tweenmax-and-intersection-observer

I was having problems getting the animation's basic functionality working and used the ideas in this thread to get it working.

Thanks in advance for any assistance with improving this animation.

See the Pen gObGOvR by JasonDuquain (@JasonDuquain) on CodePen

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Hey Jason and welcome. 

 

Your setup is pretty good! Thanks for the minimal demo. The only thing I'd do differently is make the code more DRY (don't repeat yourself) by creating the tweens inside of the forEach. Then you can refer to that tween inside of the Intersection Observer and reduce code there as well:

See the Pen Exawjrd?editors=0010 by GreenSock (@GreenSock) on CodePen

 

P.S. You don't need quotes around the value for the y.

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Very nice! Thank you for the quick help and making the code much cleaner!

 

I will update the code in my current project and make sure to add this to my gsap notes for future reference.

 

 

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