Start Timeline at Scroll Position

Hi trusty folks at Tumult,

I was wondering if it is possible to trigger animations based on scroll position. For example, I want some text in a lower position on the page to fade in, but only once I have scrolled down to that section. To clarify, that timeline is not triggered by the action of scrolling itself, but rather the user’s position (height) on the page. I have created a sample file:

Thanks in advance!

Sounds like you need to use Viewport Actions…


Thanks! Is there way so that this is triggered only the first time the element has been scrolled into the viewport, and not every time?


The following link should be of help (I found this by searching the Hype Forum.)

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