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Activity Forums Adobe After Effects Trapcode Particular & Obscuration

  • Trapcode Particular & Obscuration

    Posted by Yoondo on January 21, 2006 at 1:24 am

    Hello Folks,

    I have some boxes created in AE 3d space and have precomped it, then I switched on the collapse/transformation button to pop it back out to boxes. The goal is to have some smoke fly around the boxes.

    Now the question is I am trying to use this precomp(boxes) layer as the obscuration layer in Particular like you normally would with any other flat plane with 3d layer turned on. However, the boxes layer does not behave like the flat 3d layer. So ultimately, does a 3D precomp layer work as an obscuration layer?

    Thanks a bunch.

    Filip Vandueren replied 20 years, 3 months ago 2 Members · 3 Replies
  • 3 Replies
  • Filip Vandueren

    January 21, 2006 at 10:09 pm

    It would appear, No.

    particles can only be obscured by 1 flat 3D layer, flat being the reason why the precomp doesn’t work.
    Also,that layer’s alpha is discarded, only it’s bounding box is used.

    I suppose it would be easiest to try and composite the particles using 2D means: just put the particles behind the box. And use a second copy of the particles on top of the boxes., possibly with different “far vanish” settings.

  • Yoondo

    January 23, 2006 at 1:54 am

    Thanks for the reply, Filip.

    It would be so great if this is doable because it opens up a world of possibilities.

  • Filip Vandueren

    January 23, 2006 at 5:51 am

    Perhaps the depth cue plug-in could aid in finding a workaround for true 3d compositing of particles and ‘objects’ built out of several layers.
    But I don’t own it:

    check it out @
    https://www.buena.com/depthcue.shtml

    costs 169$

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