Feed unique values into effect parameters of duplicated pre-comps?
I have a pre-composition with some fairly complex particle systems that I would like to duplicate multiple times in a final comp. The trick is that I want to apply a unique "position XY" value to the...
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Always scale layer from comp center (not layer anchor point)
Usually if I want to scale a layer from any place other than it's center, there are two ways I do it: 1) Parent that layer to a null, then scale that null. (which is workable, but it adds another layer...
View ArticleHow do text layer expression selectors operate on character value?
I'm banging my head against my desk here. Every other attribute I try to animate using expressions selectors works by multiplying the value returned by the selector by the value of the property in...
View ArticleCan I link a path vertex to a position property via an expression?
I want to have curves and lines draw across or between points in a video clip that has hand held camera moves in it. I've motion tracked the points I want to use and assigned the tracking data to a...
View ArticleFont Size Expression
I need an expression that would automatically change the font size based on how many characters are typed in. The goal is to fit multi-line text into a bounding box as it's read from the external text...
View ArticleHow to get relative position of layer in larger precomp.
The Setup: Comp 1 is 2000x3000 pixels. Comp 1 contains Layer X that is positioned at 1750,1250. (or whatever) I pull Comp 1 into Comp 2 which is 800x600. I scale and move Comp 1 inside Comp 2 by an...
View ArticleLinking a 2D layer to a 3D layer
Ok, i've come to my limitation of expression skills. I've setuped a 3D composition, with various elements at various depths. One of this element is a Sun. I setuped a camera to do a pan inside my 3D...
View ArticleIntegral Calculus in AE
I'm wondering if there is a way to add the values of a property for every frame before the current time indicator? the relevance to calculus: I'm wondering if there is a procedural way in after effects...
View ArticleAccurate Timer For Sports
Hi all. I'm trying to make an expression you apply to a text layer to time sports videos accurately. So far, I have the minutes and seconds figured out, but can't seem to get the milliseconds to work....
View ArticleI want to rotate objects around a Null, but have them stay upright...
I have 3 object parented to a null, and I want to rotate the null to have the objects in orbit around it, but I want the objects to stay upright... would this be done with an expression?
View Article3D Corner Pin w/ Precomps
Hi everyone, I've been using Dan's expression for getting the corner pin in 3D. But it's getting tough with the following setup: Main CompCameraPrecompCamera (pick whipped position and POI with main...
View ArticleCheckbox Control using Expressions
Hi all, I'm trying to control the Mask Layer property in the Colorama plugin to always select the current layer. What I've done is created a Checkbox Control effect on the current layer to dictate that...
View ArticleNoob Question: Move a layer in the opposite direction of a different animated...
So say that I have an icon that I animate on the Y-axis +40px, but instead of trying to hand key the other layer each time, is there an expression I can write to have the other layer move in the...
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4 digit random number
Hi guys, i would like to have a text layer that changes it´s 4-digit number everytime it´s duplicated. I found an expression that basically does that, but it also includes other values like "@" and...
View ArticleMy Expression Selector runs super slow.
So I have a text expression that adds spring and bounce to text characters via and Expression Selector Expression... My text however takes forever to render compared to a Range Selector animating the...
View ArticleLayer Space Transforms for rasterized layers
Hi! Here is an expression applied to an effect's 2D point parameter applied on a 3D layer: fromCompToSurface(toComp([value[0],value[1], -Z])) I'd like to modify it so that it works when my layer is...
View ArticleSway 3D object on Z-axis using slider?
Hi there,I have multiple objects (side by side) which I would like to sway on the z-axis as if the wind is blowing them. I already have their anchor points at the top of each object. I have a few...
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Is there a way of grabbing the name of a shape layer without referring to it...
similar to 'thisLayer.name', is there a way of being able to grab the name of a shape layer without referring to it specifically? I'm wanting something like 'thisShape.name' rather than having to...
View ArticleUnfolding Effect
I came across an animation that depicts a series of diagonal lines unfolding like a fan. The artwork is simple enough but I wasn't sure how to build this in after effects and I wondered if there might...
View Article3D WARP/3DBEND: geometry expression no show?
"3D warp" as seen on tv.adobe "What's New", does not seem to be available on my version of CS6 AE (from disk). I'm not getting the geometry option even though,I have the 3D box checked and it is a...
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