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Define two positions, tween back and forth?

So I want to do something simple: define two sets of coordinates (a "from" and a "to" position), along with a duration in frames. I want the animation to be executed, then reversed, and looped.  I know...

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Expression help with time remapping

Hi I have a 25fps Precomp with an animation that changes on every frame. In the master comp I want to apply an expression to its time remap property so that it holds on each consecutive frame for a...

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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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Smooth Rotation Expression

I will admit expressions are my downfall when it comes to After Effects. It doesn't help that anything dealing with numbers/math are a foreign language to me.  Anyway I need to make a still image of a...

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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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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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Analog Clock

Hi, Im making an analog clock with a minute, second and hour handle. hey shall rotate properly relative to each other. Its my first time using expressions and Im a bit lost. I want the time to speed...

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question for expression "work area duration"

i'm trying to get duration of workarea from expression on CS6. thisComp.duration*23.976 this gives me the duration for the comp length.i'd like to get duration of work area instead. please let me know...

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Checkbox 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...

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Complex Scale Expression help

Hey guys,I'm trying to create an effect using an expression because I want to apply this to multiple layers.Basically what I want to achieve might be very simple, but I just can't figure it out- I'm...

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Offsetting time and position of several layers relative to preceding layer

Hello -  Pardon the newbie questions, but I've keyframed 'Black Solid' moving along the x axis and basically would like to duplicate the layer (perhaps with a new color) several times so that each 'new...

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How to create a simple bobbing up and down motion expression?

Hi, I have a 3D object that I want to continuously bob up and down but I'm having trouble finding an expression to do this. I would use wiggle on the Z except wiggle creates random motion and I need...

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Blinking Cursor

I have been using an expression for blinking cursor text but wanted to see if it can be enhanced.  Here is the expression that I used Apply to the Text Source of a text layeradd a slider controls to...

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Noob 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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Limit value range with expression?

Hi there, Is there a way to put a limit on value range when linking it to key-framed audio? My situation is that I want to link the Glow Intensity of one of my objects to the key-framed audio. The...

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Animate Number Counter - French Version

I need help figuring out how to animate a number counter, but in french. I have the english version of my numbers animating up using the following algorithm: numDecimals = 1;commas = true;dollarSign =...

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How do I roll a ball along both x and y axis?

I am trying to roll a 2D ball in 3D space that only moves on the x and y axis through a maze. I would like it to be rotating 360 degrees based on the curcumference so it looks like it is rolling no...

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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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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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Loop Composition creates flicker effect

I try to loop a composition within an other and used "Zeitverzerrung" (Time Warp) on this Composition. I added the Expression loopOut(type="cylce"). The Loop works fine but at the time of the second...

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