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Activity Forums Adobe After Effects Move object in an angular…angle?

  • Move object in an angular…angle?

    Posted by Adam Pietraszek on June 14, 2010 at 10:19 pm

    Best way to explain this is with an example:
    I have a layer which is a small star. I want it to move across the screen along an angular line drawn on the background.
    The angles are *sharp* – for the sake of explanation, let’s say they look like this: \/\/\/
    So: I place my star at the beginning of the line, click the stopwatch. Move a second ahead on the timeline, reposition the star to the first angle, add a keyframe. Move ahead a second on the timeline, but from this point forward, the “path” or “trail” that the object is creating behind it, that it will travel on is curved – not sharp. How do I turn this off?
    I know that if I was making a path I can turn of roto-bezier, but I’m not making a path for 2 reasons:
    1. I can only make text move along a path – I can’t figure out how to make a layer move along a path.
    2. I have a mask that will uncover the background just ahead of the star so it looks like the star is actually leaving the background line behind as a “trail.”
    Thanks!

    Darby Edelen replied 15 years, 11 months ago 2 Members · 2 Replies
  • 2 Replies
  • Adam Pietraszek

    June 15, 2010 at 2:47 pm

    Worked great – thank you!
    (it’s nice to learn something new and add it to my own “knowledge database”)

  • Darby Edelen

    June 16, 2010 at 12:10 am

    You can also change the default behavior of keyframes in the Preferences > General section by selecting “Default Spatial Interpolation to Linear.”

    Also, you can copy a mask shape keyframe and paste it into the position property. Which can be handy in certain circumstances 🙂

    Darby Edelen

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