Trent Armstrong: Activity About Popular
Trent Armstrong

COW Leader
Member Since:
October 20th 2006
82 Posts
Location:
Dallas, TX, USA
little swing rotation on car mouvement
by Guillaume Charron 10 years ago
I want to simulate the suspension of a car... When the car stops I want to make the body of the car to rotate a little bit towards the front. And when it accelerate I want the car to rotate towards th
Re: little swing rotation on car mouvement
by Trent Armstrong 10 years ago
Hi! I think you might need to explain this in a little bit more detail. And include exactly what you're trying to accomplish with the new expression. Thanks Trent Armstrong - Creative Cow Leader http:
Fade opacity of a 3D shape layer based on distance from another layer
by Kevin Lamb 10 years ago
Hi. I have a grid of images roughly 16x16, and a Line (shape layer) snaking through the vertical and horizontal gaps of the grid until it drops out the bottom. I am trying to get my head around a scri
Re: Fade opacity of a 3D shape layer based on distance from another layer
by Trent Armstrong 10 years ago
First, make sure to apply this to the Opacity of each layer that will appear disappear. Then make sure it's looking for the Null instead of a Camera. Lastly, you'll need to make sure your distances ar
bouncing ball expression
by lbtaubma241 13 years ago
Does anyone have a simple bouncing ball expression I just need a ball to bounce onto the screen and bouncing once or twice across and then bounce off. Any suggestions Thanks
Re: bouncing ball expression
by Trent Armstrong 10 years ago
Ahh. The old browser auto-crop of expressions trick. They get me with that all the time! I loaded it in Firefox and it works. Thanks for the heads-up on browser issues. Trent Trent Armstrong - Creativ
parenting functionality with expressions
by Neil Stubbings 10 years ago
Hi all I am trying to build more or less complex character rigs with expressions and ran into the following problem. I got this (see below) code off the fabulous AEenhancers forum, which has some codi
Re: parenting functionality with expressions
by Trent Armstrong 10 years ago
Sometimes it's just necessary to include the value of the transform property as well. Try replacing with this line: xyz = position.valueAtTime(0) - thisComp.layer("leader").position.valueAtTime(0) + v
Countdown Expression + Fonts
by Rupert Greiss 11 years ago
Hello All, Longtime-lurker, just joined and this is my first post, as I can't seem to find an answer anywhere. So I've got my countdown working, much thanks to the following thread for giving me a muc
Re: Countdown Expression + Fonts
by Trent Armstrong 11 years ago
I don't like to take away from the Creative Cow site, but I have some rough tutorials at aetutorials.net that I will be moving to The Cow soon. This is for working out a countdown with non-fixed with
Counter expression, split digits
by James Armstrong 12 years ago
Hi, I am trying to create a 9 digit counter where the numbers are not displayed altogether, but rather spread across the comp. What I need is an expression that controls my text layers based on select
Re: Counter expression, split digits
by Trent Armstrong 12 years ago
As always, Dan is very elegant with his expressions. Trent Armstrong - Creative Cow Leader http: www.dallasaeug.com
Import Sketchup geometry into Adobe After Effects CS4
by William Cousert 12 years ago
I want to break up the geometry in my Sketchup files and convert each piece into a separate Shape Layer, with textures intact and each layer properly positioned in 3D space. Is this possible
Re: Import Sketchup geometry into Adobe After Effects CS4
by Trent Armstrong 12 years ago
Hey, Until you find a way to break each layer apart, you might look into a 2.5D solution with a few angles from your Sketchup scene. VideoCopilot.net has a great tutorial on projection mapping to achi
Character separation in text
by Alejandro Benavente 12 years ago
Hi! Sorry if this has been already discussed, I haven't been able to find a solution via search. I'm working on a simple logo animation in which I have a string of characters. I have animated them so
Re: Character separation in text
by Trent Armstrong 12 years ago
Are you interested in the actual position of the other letters changing If you just want all the letters to stay in the same place but not overlap, you could do a precomped animation of several hand-p
Invert Opacity between two values with two layers
by Chris Arnold 12 years ago
I am trying to get an expression that will translate the value of one layers opacity to another layer. One layer is keyframed on each frame either being 18% or 0%. I need another layer to look at thes
Re: Invert Opacity between two values with two layers
by Trent Armstrong 12 years ago
temp = <opacity value ; if (temp == 18) 0 else 18 OR temp = <opacity value ; Min = 0; Max = 18; value1 = 18; value2 = 0; linear(temp, Min, Max, value1, value2) If you're using Hold Keyframes, yo
Rendering to Quicktime with Alpha and millions + But bg still black instead of transparent!
by Madiha Mirza 12 years ago
Hi guys, I have been searching the forum for ways to make the bg transparent when exporting to quicktime. And I have tried everything including the "RGB + ALPHA" channel and "MILLIONS OF COLORS +" but
Re: Rendering to Quicktime with Alpha and millions + But bg still black instead of transparent!
by Trent Armstrong 12 years ago
Are you putting this movie into another application to see it with the transparency or just looking at it in quicktime In AE, it will import in with the alpha. In Final Cut Pro, you might need to sele
After Effects fire
by William Chubb 12 years ago
Hi I'm new to after effects, how do you create realistic looking fire like this http: www.planetaep.com After_Effects_Graphics Hellfire.html I've followed the tutorial here http: library.creativecow.n
Re: After Effects fire
by Trent Armstrong 12 years ago
http: www.videocopilot.net blog 2008 12 544 Check out that free project from Andrew Kramer!Trent Armstrong - Creative Cow Leader http: www.dallasaeug.com
emitting 3d comps in particular
by graham smith 12 years ago
i would like to make some 3d objects and use them in particular can this be done grahamlife is breathtaking!
Re: emitting 3d comps in particular
by Trent Armstrong 12 years ago
There is a good tutorial on a way to use AE 3D objects in Particular here: http: www.graymachine.com v3 07-particle-orientation-in-trapcode-particular.html When I use 3D particles, I typically create
Parenting & Linkage to create a moving Train
by Marcus Folkesson 12 years ago
Hey, I need some advice regarding the need to create a moving train. I will use a top view, where a locomotive will carry a couple of vehicles behind it. Each and every vehicle will be connected to an
Re: Parenting & Linkage to create a moving Train
by Trent Armstrong 12 years ago
It might be best for you to use valueAtTime() for the cars that follow. You can put layers in numerical order and use the index of the previous layer to link through valueAtTime(). Have the Engine lay
Rotate Camera without affecting Layer Boundaries
by Paul Bertham 12 years ago
Dear Community, how to describe my confusion It s a HD 720p Composition. i m trying to rotate a cameras Z-Position without rotating my video 3D-layer itself. If i rotate the camera, my video layer beh
Re: Rotate Camera without affecting Layer Boundaries
by Trent Armstrong 12 years ago
Yes. Parent the layer to the camera.Trent Armstrong - Creative Cow Leader http: www.dallasaeug.com
can't import mp3 to AE
by Arik Davidson 12 years ago
Hi why can't i import mp3's thanks screenshot: http: i27.tinypic.com 205xlif.jpg
Re: can't import mp3 to AE
by Trent Armstrong 12 years ago
Try converting the file to .wav. Trent Armstrong - Creative Cow Leader http: www.dallasaeug.com
Scrolling through transfer modes
by Alfonso Gamez Jordano 12 years ago
Hi everyone. I just have a quick question, which I wish someone knows the answer to. Is there a way to scroll through transfer modes quickly, as there is in Photoshop Rather than having to click each
Re: Scrolling through transfer modes
by Trent Armstrong 12 years ago
Sure! Use SHIFT + or SHIFT - to scroll through the transfer modes. Cheers, TrentTrent Armstrong - Creative Cow Leader http: www.dallasaeug.com
video screning
by moshe rosenthal 13 years ago
hi how can i video screen my real time work on my monitor tv with the after. im trying to connect them throw s video cabble but im im not sure that the colors will be reliable. and how can i add sub f
Re: video screning
by Trent Armstrong 13 years ago
If you have a Firewire camera (also iLink), you can use AE to output the video through the FireWire to the camera and then from the camera out to the TV. S-Video is better than composite so you'll be
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