Motion Array's Auto Scaling Text Box code (sourceRectAtTime) suddenly not working

Question

Hello,

I often use Motion Array's Auto Scaling Text Box code in my workflow. It has always worked flawlessly. However, I am trying it now and for whatever reason it is not working. Unless my lack of sleep is catching up with me and I'm just missing something painfully obvious, is there anyone else experiencing issues with sourceRectAtTime coding not working in AE 17.1.4?

The code (which I've used successfully a million times!) is:

s=[pickwhip to source text]

w=s.sourceRectAtTime().width;

h=s.sourceRectAtTime().height;

[w,h]

As you can see, the code is in, and the box should be the size of the text above, but it isn't.

I have tried toggling between JavaScript and Legacy ExtendScript for my Expressions Engine--neither has worked. I have purged the cache. I have uninstalled and reinstalled AE.

WHAT AM I MISSING?

Dan Ebberts · Accepted Answer

You should pickwhip s to the text layer itself, not its source text. Dan

Mathias Moehl · Answer

For more complex dynamic text layouts and boxes, my extension Pins & Boxes is also very helpful:

https://aescripts.com/pins-and-boxes/

And if all you need is a very simple box that grows with your text, here is a very good approach that creates this just with a few effects on the text layer itself:

https://mamoworld.com/motion-graphics-ebook/content47.html

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