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Change the position of a NULL object with respect to Rectangle Width
Hi, I have probably been looking at the screen for too long and I believe that there is a very simple solution to this:
I have a red rectangle shape that dynamically changes it’s width (path NOT Transform) when text is entered using Expressions (screenshot attached).
I also have a NULL object and I would like it’s position to change with respect to the left edge of the box when it increases or decreases in width when text is entered (screenshot attached).
Composition Width: 1000px
Thank you!
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4 Replies
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maybe look into using information from sourceRectAtTime to adjust the position of the null?
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Sure, try this. Parent the null to the rectangle, and put this expression in the null’s position property.
myRectangle = //pickwhip your rectangle
l = myRectangle.sourceRectAtTime().left;
t = myRectangle.sourceRectAtTime().top;
h = myRectangle.sourceRectAtTime().height;
[l,t + h/2];It’s worth noting you’ll need to ‘unseparate’ the null’s position dimensions.
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Thanks for that response. I did unseparated the Null’s position dimensions and parent it to the Rectangle. But it seem that the .left and .top functions are not working. This is the error I get:
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Also for the benefit of everyone. This is how the expression currently works.
https://vimeo.com/462362601/a83b5a2796
Disclaimer:
My reason for linking a NULL is because there are other design components that rely on it. Hope that helps.
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