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Offset expression
I have The Left Tangent of BezierWarp parented to a Null.
thisComp.layer(“TopNull”).transform.positionI want to offset the position of the Left Tangent. I have pickwhiped the Value of the Warp to a Null. I want to offset the position of the warp but the Warps Values are now locked in and I can’t offset them in the Effect pallet.
I have tried this: thisComp.layer(“TopNull”).transform.position-50
The -50 only moves the tangent on one axis though.This Null is driving other items also.
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2 Replies
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Hi Anthony,
to offset a 2-dimensional value you should use square brackets, like this:
thisComp.layer(“TopNull”).transform.position – [50,100];
this would subtract 50 on X-axis and 100 on the Y-axis.
If you don’t know the exact amount, and want to scrub it, or possibly want to keyframe the offset, you can either create a Null with a 2-dimensional Point-control on it, and pickwhip to that.
Or, use this:thisComp.layer(“TopNull”).transform.position – value;
You can then enter/scrub/keyframe the ofset-value IN the property itself, wich is more compact.
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I am going to try all your suggestions. This answers my question perfectly.
Thanks you for all the ideas and options.
I will give this a shot today and see if I can get this offset working for me.
Thanks again!
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