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Expressions: Moving one layer in relationship with another layer.
Hello
I’m new to Expressions in AE so I turn to you guys for some help. I want one layer to move horisontal in relationship with another layer (for adding some 3D effect to the animation). From my scripting experience in actionscript I’ve come up with this:
thisLayer.position = thisComp.layer(“keyframe_animated_layer”).position*0.5;
This expression works, but it animates both the X and Y values. I havent found the syntax for accessing only the X values. Can someone point me in the right direction, and tell me if there is a more proper way to do this.Thanks,
Thomas -
5 Replies
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OK, I dont know how many times this has happened to me, but I found one way to do it:
thisx = thisLayer.position[0];
thisx = thisx+ (thisComp.layer(“i_animert”).position[0]*0.5);
[thisx, 100]I’m still interested in comments on this though. 😉
Thanks,
Thomas -
What is there left to say? Except maybe your last line could be
[thisx, thisLayer.position[1]]
And then you can control your Y value normally instead of coding it.
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If you start with:
[position[0], position[1]]
and highlight, then pickwhip the “position[0]” to the X value of the layer “i_animert” you get:
[thisComp.layer(“i_animert”).position[0],position[1]]
To take it to 3D (you’ve probalby already figured it out) if you wanted to wiggle the Y in a 3D layer it would be:
[position[0],wiggle(5,20)[1],position[2]]
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RobotHero: Thanks, good point!
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yikesmikes: I meant pseudo-3D, by making a object that is closer to the camera moving slower than the background. But thanks anyway 😉
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