• Adobe After Effects Expressions

  Linking a mask path to a shape path in different layer

  Posted by Martins Roc on February 5, 2020 at 3:27 pm

  Hello,

  I need to connect a mask path to a shape in another layer.

  Simply using the pickwhip generates this expression:
  thisComp.layer("circle").content("textfeld").content("Path 1").path

  However, the mask shifts to a different position:
  

  Using a track matte is not an option in this case.

  How can I modify the expression so that the position of the mask matches the shape path?

  Alex Printz replied 6 years, 2 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Alex Printz

  February 5, 2020 at 7:23 pm

  try this

  L = thisComp.layer("circle");
M = thisComp.layer("circle").content("textfeld").content("Path 1").path; // or path!
o = [0,0];

  p = hasParent ? thisLayer.parent:thisLayer;

  mP = M.points();
mT = M.inTangents();
mO = M.outTangents();
P = []; T = []; O = [];
for(i = 0; i < mP.length; i++){
mPi = mP[i] + o;
P[i] = p.fromComp(L.toComp(mPi));
T[i] = p.fromComp(L.toComp(mPi + mT[i])) - P[i];
O[i] = p.fromComp(L.toComp(mPi + mO[i])) - P[i];
}
createPath(P,T,O,M.isClosed())

  Alex Printz
  Mograph Designer

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