Linking multiple puppet pins to one null object

Question

Hi there,right now I'm dabbling in character animation and I'm looking for a setup of an furry/wobbly character. (No native speaker, so sorry in advance.)I want to set up the body like this: outside puppet pins (1-13) for the 'fur', linked to Null1, puppet pins (14-18, on the same layer) linked to Null2.My goal is to animate the Nulls separately to achieve some kind of delayed movement of the outside part of the body.My question: how do I link multiple puppet pins to one Null; what expression could I use? Because pick-whipping the position of the puppet pins to the position of the Null results of course in a changed position of the pins.I guess it has something to do with offsetting every pin, but is there a way to do this without entering offset-values into every puppet pin-expression?Thanks in advance and sorry for the slightly confusing questions,Hannes

Dan Ebberts · Accepted Answer

You need a point of reference, which could be the null's position at time = 0, like this:

p = thisComp.layer("Null 1").transform.position;

value + (p.value - p.valueAtTime(0))

Note that nothing will happen until you animate (keyframes or expression) the null.

Dan

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