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I think your combo expression simplifies to something like this:
p1=thisLayer.position;
p2=thisComp.layer("drag me").position;
distance=length(p1,p2);
n = linear(distance, 0, 40,20, 0);
value + (p2 - p2.valueAtTime(0))*n
But I don’t think it’s going to behave the way you want, based on your
link.
Dan
From: scott.aelist
Sent: Thursday, November 14, 2013 3:41 PM
Subject: [AE] expressions: parent/move layer based on
proximity? I'm trying to merge two expressions i've found, one that 'parents' a
layer's position to a master layer, and another that modulates a value based on
proximity. My goal is to have a master layer 'smear' the position of child
layers depending on how close they are. Sort
of like the way this AI tool works. I believe the problem is in
the syntax of the last three lines where I try to combine the proximity value to
the parenting.// get proximity //
// Point1 is current layer, point2 is control
layer
point1=this_layer.position; point2=this_comp.layer("drag me").position; // Find the vector between the 2 points delta=sub(point1, point2); // Now find the length distance=length(delta); //Use linear() to remap distance to range of 40 to 0 n = linear(distance, 0, 40,20, 0); // parenting // myParent = thisComp.layer("drag me"); myProp = myParent.transform.position; // combine proximity and parenting //
x = transform.position[0] + (myProp[0].value - myProp[0].valueAtTime(0) *
n);
y = transform.position[1] + (myProp[1].value - myProp[1].valueAtTime(0) * n); [x,y] |
