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Activity Forums Adobe After Effects I guess the holidays are causing a lag here, i’ll ask one more time today, Accordion effect.

  • I guess the holidays are causing a lag here, i’ll ask one more time today, Accordion effect.

    Posted by Richard Altman on April 12, 2009 at 3:10 am

    I watched aharon’s tutorial. i followed it, what i’m trying to do is something he called the “accordion effect” with the z axis. he pre comped a bunch of layers, the clicked some constraining box and then had this ability to move the layers within the z axis. I’m basically trying to get one element of a 2d psd to do the same thing to simulate extrusion, so i can go around it with a camera picwicked to a null layer to explore some album art. the album art background lies flat, the element i’m trying to “accordion” rises on its x axis, then i’d like to scoot ALL the way around it.

    i’m basically faking it with the shatter effect now, but i’ll take that if I can’t get any takers on this conundrum. I love this place, and i know its a busy time right now for lots of folks.

    i guess thats it.

    thanks

    Josh Weiss replied 17 years, 1 month ago 3 Members · 2 Replies
  • 2 Replies
  • David Bogie

    April 12, 2009 at 1:08 pm

    The holidays, I guess you mean Easter?, have nothing to do with us helping you meet your deadline. Folks come and go around here. The reasons are known only to them, erm, us.

    Shatter is a great effect for extrusions if you have the custom shatter map figured out. But you can’t necessarily get a 3D scene out of Shatter.

    bogiesan

  • Josh Weiss

    April 13, 2009 at 4:15 pm

    I’m not familiar with the tutorial you are talking about. However, if you are talking about making a 2D layer fold into like a fan or an accordion this can be done pretty simply. What you can basically do is split up your image with large masks like this:

    Then you can make each mask into its own layer. Their are scripts you can find to do this, but you can also simply duplicate the layer as many times as there are masks and make sure each layer only has one of the masks on it. Then pick which side you want your layer to fold from. This will be your parent layer. Make sure they are all 3D. Then if you want the left side to be the side it folds into for instance then this layer will be the main parents. Then take the layer directly to the right of it, set its anchor point to the left edge of the mask, and parent it to the layer before. Then do the same thing for all of the other layers, parenting them to the layer just to their left. Then when you are done, you will have to go to every layer to their y rotation property and set an expression. Pick whip the y expression to the y rotation of the layer before it and just type *-1. So then if you test your layers, you will see they work, but the main layer tilts away from the camera and you can’t see it. So to fix that, you can make a null that aligns to the left edge of the comp and parent the 1st parent layer to this null. Then go into the nulls y rotation, pick whip it to the 1st layers y rotation. Now it should all be working. I know this sounds very complicated, and i hope you didn’t lose me, but its pretty simple.

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