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Triggering an opacity pulse from a marker on another layer

Layer 1 has several markers labeled "hit" as the marker comment. The name is important because I might add more markers to do other stuff. Layer 2 is at 0% opacity by default. Whenever the time...

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global array variables? , transfer data from one layer expression to another

hi i have arrays in expression, but i have a problem, every time when i move effect point control(i need move it for my task)  array update and erasing, but i need to save data from previous array...

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Expression help

Hello, I got a issue with using expressions. I've been following this book http://www.amazon.com/After-Effects-Expressions-Marcus-Geduld/dp/024080936X and I got to this particular expression: var...

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Expression Syntax

Hi,how is the right expression syntax if i want to control only one value of a value pair (y position only) ? I tried this : xpos;ypos = comp("Concept_01").layer("Control").effect("Y-Pos...

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Expression Selector - Get range from Range Selector

What I'm trying to achieve should be pretty simple but I get my head spinning on Expression Selector and for some reasons I cannot understand it, so I’m here hoping for a pro help In a first animator...

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Help with expression - linking to beam points

i have this expression applied to a flare on a beam effect - it moves the flare up and down the beam. myAngle = (thisComp.layer("Spark Speed Controller").transform.rotation) / 360;p1 =...

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3 parameters to one expression

How would i tell 3 parameters to use a single line of code? In this case the expresson is wiggle(x.x).

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Need help with an expression for unit conversion

Hello, I'm using an expression to have different counters for a display, and two of those numbers are a length measurement, one in feet and another in meters. I want to make it so that when I move the...

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Expression that changes y-position continuously?

How do I write an expression that moves my layer continuously in the y-axis 10 pixels each frame?

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Source Text slider apparition

Hi,  I would like to use a slider to display a text (when the slider value is 0, the source text display nothing, when it is 10, the source text display the 10 first letters etc...). Like the...

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Audio triggering footage based on values

Hello, I've come across a video that I've come interested in understanding how it works... I'm pretty sure it has been done manually, and not with a template that you can drag a song and it would...

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How to make a rubber effect like when you swipe between apps using 4 fingers...

Hey guys, So how to make a rubber effect like when you swipe between apps (first or last app) using 4 fingers on iPad iOS7 ? Any examples ? Thanks!Ivan

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How to delay opacity following another layer

Hello All. I have 100+ layers that I would like to fade on in a delayed fashion following the manual opacity key frames set in a 'master' layer. Thus, each of the 100+ layers will incrementally fade on...

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Re-using expression-generated values to input into other expressions (read-out)

Hi there everyone. I was wondering if there is a way to 'capture' expression generated values and either buffer these values or re-using them directly in other expressions. I am trying to track...

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Expression error using checkbox control

I'm trying, for the first time, to create an expression that controls a value depending on whether or not a keyed checkbox is on.  This is my code. x = comp("overlay...

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Expression Get Project Path or Name

Hi, I am new to After Effects as in I have just seen it for the first time today! What I'd like to know is, is it possible to write an expression to return either the current project name or file path?...

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Can`t access to gradient colors in shape.

Hi.Trying to access to gradient colors using expression.I thought that I can access to them using array, something like this: thisComp.layer("Cubes").content("Group 1").content("Rectangle...

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Expression for image replacement depending on text layer text.

Hello, i wanted to ask is it possible to replace image in composition depending on text layer text. I.E. text layer contains code ##34 and expression tells what kind of image should be placed depending...

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How to automate the length of a rectangle solid to a text layer ?!

How can I automate the length of a rectangle to be larger/smaller as a text layer is made longer or shorter.  Example =...

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How to start my bouncing effect at specific time?

I try to build an expression preset for bouncing effect. Here is my code: timeIn = effect("Start Time")("Slider");In = timeIn.value; timeOut = effect("End Time")("Slider");Out = timeOut.value freq =...

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