Expressions/Scripts/Presets

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senny2002
Topic Author
Posts: 2
Joined: Tue Oct 30, 2007 11:40 am

How to uses a couple expressions

Mon Dec 10, 2007 8:32 pm

basically,i just want to do something like this:
http://www.graymachine.com/content/inde ... 3&Itemid=1

How can i uses a couple expressions to control the stratingpoint and endingpoint in 3d space? the Beam effect only have xy value,so the Z value can`t control.is there any way to use expression control it?
 
Paul Tuersley
Posts: 704
Joined: Sat Jun 05, 2004 7:59 am
Location: London, UK

Tue Dec 11, 2007 1:09 am

You could create two 3D nulls and use expressions like this on Beam's Start and End properties:
a = thisComp.layer("start null");
a.toComp(a.anchorPoint);
 
senny2002
Topic Author
Posts: 2
Joined: Tue Oct 30, 2007 11:40 am

Tue Dec 11, 2007 1:32 am

thanks,i get the point

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