Hey Russell! Here the screen grab of the timeline.
I’m writing a UI Script that involves this expression.
Right now, I’m still developing the script, but if you want, I could share a beta version and you could test it.

Hello!
I’m writing a script that will smooth a specific path using expressions.
The script will generate a new Shape Group and a new Path property, stroke and fill, with an expression tied to the chosen path.
After creating the new path, I’d like to hide the group of the selected path, but I can’t seem to discover a correct way to let the script…

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Thank you for answering.

I figured out the problem. The issue appears to be caused by the separation of position values on nulls.😅

Hello folks!

I’m working on a simple animation made with some expressions and a Path follows Nulls function.

In my case the path follow the nulls but the stroke doesn’t match the path.
Here is a screen to better understand.

Anyone know how I can fix this and why this happens?

The expression used in the path property is this one:

var nullLayerNames =…

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Hey Dan! Thanks so much again for your help.

In the end the expression I used is this:

var L = index > 1 ? thisComp.layer(index - 1) : null;
var C = thisComp.layer("Start");
var ctrl = thisComp.layer("CTRL");
var p = L ? L.position : [0, 0];
// Controls
var d = ctrl ? ctrl.effect("WaveLovers")("Delay") : 0;
var g = ctrl ?…

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Thank you so much Dan!

Your expression inspired me to achieve the desired result while requiring far less CPU processing power.

I’m using this expression on the first NULL that follows the Leader to calculate the movement and speed, resulting in the precise animation I’m looking for:

rapidity=thisComp.layer("Leader").effect("Rapidity")("Slider");…

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Thanks so much Dan! But I can’t achieve the results I want. That expression do exactly what I need but it is way too heavy on the CPU.

Can I ask for help with that? A hint for writing an expression that does something similar?

Yeah, this was my starting point. I just want to add to the delay an inertia effects to each layer based on the velocity of the previous layer.

For example, if the leader moves from 0 to 10 at an “X” velocity, Child_01 will move from 0 to 11 ( 10 + “X” velocity ), Child_02 from 0 to 12, and so on until the End layer.

Sorry, I’m doing my best to explain.

I’d like to provide more context so that you may better comprehend what I intend to do.

The goal is to achieve a result similar to Ordinary Folk’s Wave Rig.

Their Wave, however, is formed using controls.

I’d like everything to be built on and driven by a Leader layer.

So my expression will be applied to an X-series of nulls that fall between the…

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Dan, thank you very much for your helpfulness!

The first expression works fine, and it does not freeze after effects 😛 , but it doesn’t have the increasing inertia that I would like to have. Also, when the speed of the animation is slow, it does that jump in the value graph.

I’m trying to make the first expression have a result as similar as…

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Thank you for your reply, Dan!

Unfortunately, I have overwritten the project. But there were 3 keyframes, the last one ended there where you see the jump in the graph.

The sliders were set with very low values, but even changing them I still got the same result.

I have found another expression here in another forum that does what I need, but it seems…

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Hello folks!

I’m applying this expression to the position property of 10 nulls.

P = thisComp.layer("leader").position;
delay = thisComp.layer("leader").effect("delay")("Slider"); // link to a slider for easy tweaking
de = delay*thisComp.frameDuration*(index-thisComp.layer("leader").index);
F = thisComp.layer(index-1).position.valueAtTime(time-de);
xyz…

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Hello there!

I’m using the Time Displacement effects in many different ways having great results, but, it is unbelievable how much it takes for the render in some cases, even the preview takes 20, 50 or 100 seconds to render each frame.

Now my question is: is there an alternative to this effect I don’t know or some way to achieve the same… Read more