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Time remmaping with random jitter / simulate drop frames

Hello experts!! I'm trying to simulate an old movie. The only thing I can not get is that every X amount of time skips Y amount of frames. Where X and Y can act randomly I have found on the web a code...

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wiggler expression for position

I want to have a random movement on a layer using the a wiggle expression but I only want it on one axis.Using this:wiggle(1,50)makes it pop around on the screen, so what do I need to add to this to...

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Link checkboxes.

Hi, In the project I am currently working on, there are some trouble with the flickering of lights on the footage. Now, there is a plugin that helps to reduce that. In order to get the max result we...

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Dan's Universal Counting Clock

Hey Dan! I was trying to get your Universal Counting Clock to stop when it hits 00:00:00, but this part threw me:  if (clockTime < 0){  sign = "-";  clockTime = -clockTime;}else{  sign = "";} I...

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Adjust the amount of Mocha stabilize?

I have a couple shots that Mocha (and the awesome MochaImport script) has beautifully stabilized. However, it's a little too rock solid.  Is there someway to craft an expression that can dial back the...

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Math.round for Shape layers to land on whole pixels?

Trying to keep my shape layers on whole pixels to avoid subpixel blurring.  For one-dimensional properties, this works fine: Math.round(value); But for two dimensional props, I'm running into errors...

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mask follows track point

I am trying to have an elliptical mask path follow a point that was motion tracked. how can i attach the center point of that mask (not the layer) to follow the tracked point?   I've tried Nulls but...

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Math.pow(Math.E, time)

Hi folks! The expression "Math.pow( Math.E, time )" keeps giving me a "divide by zero" error. This seems to be similar to problems others have had, but the other solutions don't quite work in my case,...

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Inverse Opacity

I have two layers. I want one to be on while the other is off. Neither one can be visible at the same time. But one of them always has to be visible. I came up with a pretty simple expression to make...

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"No active camera" error

Ran into this problem tonight with a couple expressions I've used in the past in CS3+. My scene has 1 camera. It it's set to active and the eyeball is on and its in/out is the length of my comp. Is...

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controlling nulls with expressions

I am having an issue with an expression I'm working with. I am trying to produce a dynamic graph (among other visualisers) that appears to be being controlled by a datastream - the artifical datastream...

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expressions with different data types

hello I have an animated clock and a line on a chart that I want to animate together--hopefully all tied with expressions, to make easing across them very *easy*  I've got the big hand and little hand...

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How to wiggle a layer on odd frame numbers.

Hello. I am using AE CS6. Now I am trying to make an cartoon animation, and now I am trying to wiggle some layers' position.But I don't want to wiggle the layers on every frame. I want to wiggle them...

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Who else would find a global Expressions object useful?

I often find myself working with multiple layers which all have the same set of expressions applied - eg, one for position, one for rotation, etc. Sometimes there might be one expression that I have to...

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Wiggle position in a certain angle

Hi is there a way to wiggle a layer's position in a certain angle?i'd like my layer's position to wiggle in 45° degrees for example.any ideas?

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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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How to delay an animation

Sorry for my bad english: i'll try to be clear.Once a layer has some animation (position, scale etc),how can i link another layer to this first one (or the animated property of the first one to the...

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Help with After Effects' expressions

Hi, I'm actually working on simulations of movements and I'd like to make an expression to set position and rotation in function of time . my functions are : position : X(t)= 15(cm/s)* t (s) rotation :...

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How to get the footage's current frame number in expression?

There are 2 layers.One is text layer,one is sequence layer.Footage has begun from the 20th frame.Therefore, the number of composition's current frame number and footage's frame number has shifted. I...

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Storing a position value from the previous frame

Hey guys, So, I'm trying to assign the X value a null object had at the previous frame so I can continue to subtract a number from it cumulatively. I'm trying to assign it to a variable (prevframe)....

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