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Parenting a layer, using ONLY expressions?
Hi There,
This is my first post, I hope someone can help me out here.
I have two layers, currently linked together using the Parent pick-whip. Moving, scaling or rotating the first layer affects the other layer.
What I want to do is NOT use the parent layer option, and INSTEAD use a set of expressions applied to the Pos, Rot, and Scale properties of the second layer. But I can’t work out what expressions to use, so as to exactly mimic the Parent Layer property.
The reason for this is that I want to dynamically change the parent of the layer, at certain times – ie, for first few seconds, layer follows Null 01, for next few seconds layer follows Null 02, and so on…
Any help would be appreciated!
Thanks,
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2 Replies
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You can do something like –
(layer’s position property)
L = thisComp.layer(“Null 1”); // rename for your null
L.transform.position;(rotation)
L = thisComp.layer(“Null 1”);
L.transform.rotation;etc.
But then you’d need to add extra complexity to it to handle the switchover – and if the nulls are in different positions the layer would jump.
A better solution might be to parent Null 2 to Null 1, and the layer to Null 2. Then just move one null at once.
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Thanks, however this would just set my position to the same as the other null’s position… I need it to ‘follow’ from it’s own position, not move directly to a new position.
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