• Adobe After Effects

  3D layer visibility front only (a la combustion)

  Posted by Sebastien Allain on February 28, 2006 at 9:07 am

  Today i try to solve some question on my favorite AE app:
  One of them is how to switch off the back side of a 3D layer or to fill it with color.
  For a long time i’m using 2 layers with a small Z offset…
  Not a good solution with motion blur !

  Combustion has two simple check box for “front” and “back”.
  Any idea on AE7 ?

  Thanks

  sebastien

  Sebastien Allain replied 20 years, 2 months ago 2 Members · 2 Replies
• 2 Replies

• 

  Mylenium

  February 28, 2006 at 9:41 am

  You need to apply an expression that triggers opacity or whatever effect you wana use. Dan Ebberts provided some code for this. Try to find it in one of last year’s posts. You could also try Buena Software’s Depth Cue. It contains a plugin for this type of stuff.

  Mylenium

  [Pour Myl
• 

  Sebastien Allain

  February 28, 2006 at 12:10 pm

  All right two different way !

  Here is the link for depht cue:
  https://www.buena.com/depthcue.shtml

  and those for dan’expression
  https://forums.creativecow.net/cgi-bin/new_read_post.cgi?forumid=2&postid=862658

  I can’t understand how he does but it’s always perfect:
  if (toCompVec([0, 0, 1])[2] > 0 ) value else 0

  Thanks Mylenium and thanks Dan

  sebastien

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