• Adobe After Effects Expressions

  Orient Trapcode Form Obj along path with expressions

  Posted by Brian Walsh on March 27, 2012 at 3:49 pm

  Hey there.

  I am working on a project where I have a trapcode form obj of a 3d face plotted out in dots. I have a null that I have animating towards camera in a snake-like motion, and I have the position and rotation of the trapcode form base form linked to the position and rotation of the null. I turn on auto-orientation for the null, but for obvious reasons that doesn’t get the face to auto-orient along the path. I guess I am looking for 3 expressions that would give the face a world orientation value that I could plug into each one of the 3 rotation values in form. Any help would be greatly appreciated!

  Matthew Stoffel replied 14 years, 1 month ago 2 Members · 2 Replies
• 2 Replies

• 

  Brian Walsh

  March 27, 2012 at 4:24 pm

  Nevermind! I figured it out with the expression on this thread:
  https://forums.creativecow.net/thread/227/40#42

  Dan Ebberts to the rescue ONCE AGAIN!
• 

  Matthew Stoffel

  April 3, 2012 at 7:55 pm

  Brian,could you please explain how (in which attributes) you used that expression? I’m having similar issue with a trapcode form arrow-head(non-.obj) orienting along a null path.

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