Layer1 invisible when Layer2 facing away from the camera in an other comp
Hi I've got a main comp with many Picture comps.A cam is flying from one picture comp to the next and so on.Each picture comp is made out of severalpre-comps.one of this pre-comps contains the frame of...
View Articlelengthen or shorten vector
this may seem trivial, but vector mathematics is not my strong suit. if I have a vector between point A and point B, how do I shorten it (or lengthen it), but maintian a center point between A and B,...
View ArticleHow 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...
View ArticleMultiple Expressions
Is there any way that I can patch the same expression in the same property layer multiple times? What if I would like my camera to execute the same expression at different points in the composition?
View Articlewiggler 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...
View Articlechanging a keyframe's position in time?
Hopefully this is clear. I want to send a person a project. It has a simple 2 keyframe animation. One is a mask property, the other a slider property on the Stroke Effect. I want a way to have the...
View ArticleLink 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...
View ArticleHelp 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 :...
View ArticleList of all expression keyword not included in official documentation
Hi everyone, I came accross a tutorial by Harry Frank of Gray Machine. In this old post he give a tutorial on having dynamic text with an external text file... He is using a keyword wich is often use...
View ArticleClik here to view.
Expression Query (adding an additional expression)
Hey there I shall try to explain this as best as possible and please refer to the images or links if the images fail to embed. the following code http://d.pr/i/keMI allows, on a certain dgree of...
View Articlecontrolling Key-Value by Point Controller
Hey guys,I have multiple layers, each one has three position keyframes with keyA, keyB and keyC. Now I want to have a small "helper": the value of frame B should be changed by a "Point Control" (which...
View ArticleClik here to view.
Expressions
This is probably an incredibly silly question but I can't seem to find the right thing to search for in google or in my books to fix it!! I'm trying to add two expressions to the same layer on the same...
View ArticleTime remap to change opacity
Hello, I have 25 layers in which i would like to switch between their opacities by means of a time remap marker of sorts.. My idea was to create a comp of all my layers 1-25 (All_Layers), then pre comp...
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 ArticleAppending a "%" to numbers from a string
I have an expression that is working in animating a percentage based on a slider control. n=thisComp.layer("Null 1").effect("Pie Slice 2")("Slider") nRound=Math.round(n*10)/10; check = nRound % 1 if...
View ArticleInterpolating between Shape/Mask Paths
Hi, At 1:48 in this video, http://vimeo.com/36068222, this animator has the character's face moving horizontally by animating a mask. Looks pretty easy to do. What I'm wondering, is whether it's...
View ArticleTime Remap Expression
hi there I'm doing an Airport destination panel animation.I've got a Composition called 'Flip' with Time Remap enabled.Here takes place the whole 'fliping' animation. This comp has got a Text Layer...
View ArticleInverse 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...
View ArticleHow 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...
View Article