Trying CC Simple Wire Removal with Null objets

Forum|Forum|2 years ago
August 24, 2023
1 reply
527 views

I'm trying to animate the effect of CC Simple Wire Removal by parenting the 2 endpoints (A & B) to 2 Null Objects for left and right, and these to a last Null Object that would allow me to move both at the same time.

But this last step seems to fail and the effect stays in a corner of the composition, not allowing me to move it with any Null Object.

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Correct answer Dan Ebberts

Try changing your expressions to this:

L = thisComp.layer("RIGHT");
L.toComp(L.anchorPoint)

and this:

L = thisComp.layer("LEFT");
L.toComp(L.anchorPoint)

Dan Ebberts

Correct answer

Community Expert

Try changing your expressions to this:

L = thisComp.layer("RIGHT");
L.toComp(L.anchorPoint)

and this:

L = thisComp.layer("LEFT");
L.toComp(L.anchorPoint)

AlbertLivingAuthor

Participant

SOLVED.

Why? Just why...
I don't understand much about expressions, but I thought it would be simple to do something like parent null to null... I don't know, if you could explain it to me, it would help me a lot to understand, thank you very much.

Dan Ebberts

Community Expert

When you parent one layer to another, its position is no longer given in comp coordinates--it becomes relative to the parent's upper left corner (usually). To get the parented layer's actual position in comp coordinates, you have to use a layer space transform expression. It can be a little tricky to understand until you get the hang of it.

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