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Connect object to mask point?
I have a mask with five points, with a stroke applied, best described as a string. I have the mask animated to unfurl and bounce like a string. Is it possible to connect an object to the end point of the mask, so the object follows that point?
thanks
jon -
13 Replies
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Below are two scripts that should help.
The Hardmenpath, posted a nice Mask Roto Script (attaching track points to mask veticies) so a search for
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As far as I know, expressions can’t access the values of individual mask nodes. But one thing you could do is: pre-compose the layer, and then track the motion of the end of the stroke so you can make your object follow it (it may be easier if you temporarily bring down the stroke spacing values, since a dotted stroke will be easier to track).
Adolfo Rozenfeld
Buenos Aires – Argentina
https://www.adolforozenfeld.com
adolfo@adolforozenfeld.com -
So, while not with expressions, it can be done with scripts. Great to learn that!
Adolfo Rozenfeld
Buenos Aires – Argentina
https://www.adolforozenfeld.com
adolfo@adolforozenfeld.com -
Scripts!!! Yikes…I’ll try it for some script experience . Thanks for the tips guys! Nice idea on the pre-comp, track Adolfo!
Thanks for the helpjon
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Damn that script is crazy I dont even know where to begin!?!
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I see that the scripts for AE are jsx files? Dont need a .jsx to “run” in AE. Where do I get that? or do I copy and paste the info somewhere and save as a .jsx? Im a super duper script noob
jon
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It’s easier than you think. Click on FILE/Run Script… and browse the downloaded script in your hard drive.
Both scripts yikesmikes says will open a palette and give instructions for proper use. Good luck!
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Drop the jsx files in the Scripts Flder in AE’s Support Folder, then open AE and File > Run Script and it should be there.
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Yeah, I see I was looking for a direct download file, instead of just saving the target. But now i get “unable to execute script at line 21. Window does not have a constructor” hmmmm…But Im still at work and noticed these were for AE 6.5, we still 6.0, I could be screwed, huh?
jon -
Others would know for sure (the script authors) but I think your right about being too low on the AE version scale for these scripts to work, so maybe try this:
SpriteMaster had a work around without scripts, and it works for one vertex, but involves tracking, anyway he explains here:
Name: SpriteMaster
Date: Jan 13, 2006 at 11:15:48 pm
Subject: Re: Tracking a point on an animated mask?https://forums.creativecow.net/cgi-bin/new_read_post.cgi?forumid=2&postid=868265
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