Track a child
	This expression is designed to track the position of a layer that has been parented to one or more layers.	After Effects 7 Useful things Expressions Views: 1201 Permalink
share this  | error?  Use the expression below on the position property that you wish to animate, changing the name “Child” to match the name of the layer you wish to track. For instance, if you want to use write-on to track the position of a layer called “moon”, apply this expression to the “brush position” property of the write-on filter, and change “child” to “moon”. by Michael Natkin c = this_comp.layer("child"); c.to_comp(c.anchor_point) (Min. Version: After Effects 7, Category: Useful things, Type: Expressions)
posted by Indy on Jan 01, 2009

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