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Activity Forums Adobe After Effects Smooth movement – more key frames?

  • Smooth movement – more key frames?

    Posted by Mike Blears on August 12, 2008 at 6:55 pm

    Hi all. I’m very new to AE (just a few days!) and I’m struggling with a basic concept.

    Is there a way to increase the number of key frames in a x or y position movement so that I can make an object move across the screen in the same amount of time, but more smoothly? I have some animations that move from left to right in a period of about 2-3 seconds, but the movement isn’t really all that smooth (even when I have exported the composition to uncompressed AVI).

    My composition setup is usually 720×480 @ 30fps.

    Mike.

    Mike Blears replied 18 years ago 3 Members · 3 Replies
  • 3 Replies
  • Simon Bonner

    August 12, 2008 at 10:06 pm

    What do you mean by more smoothly? With a gradual acceleration at the start of the movement and a steady deceleration at the end? You may want to try easy ease keyframes (check your help file). You may also find Aharon’s podcast tutorial on roving keyframes useful:

    Keeping Your Speed Constant in AE

    Simon Bonner

    youtube.com/simonsaysFX

  • Richard Harrington

    August 13, 2008 at 12:36 am

    Fewer keyframes makes smoother movement

    Its likely that you render file is skipping frames on playback…

    Try playing back something your hard drive is rated for

    Richard M. Harrington, PMP

    Author: Photoshop for Video, Understanding Adobe Photoshop, and ATS:iWork

  • Mike Blears

    August 18, 2008 at 8:49 am

    Sorry for the late response. Been working away this week.

    OK, to hopefully give you a lot more info I have decided to upload a test comp for you to take a look at, and also a rendered version (Quicktime H.264) of my comp. It’s very basic, just some text scrolling, and that’s it!

    Now, I’ve come to the conclusion that maybe I am being fooled a little by my monitor as it is a LCD one (in particular a Dell 2408WFP). I suspect the response time being a little slower than a standard CRT is not helping matters.

    Anyway, I would appreciate it if someone would take a look at my AE comp and tell me if I’m doing anything the wrong way, and any other tip for smoother scrolling text. Maybe it looks fine to you?!

    Mike.

    LINK (Megaupload): https://www.megaupload.com/?d=ZX42H7HO

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