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Activity Forums Adobe After Effects Copying old frames into the actual one… “onion” effect from Flash

  • Copying old frames into the actual one… “onion” effect from Flash

    Posted by Johannes Roth on August 1, 2010 at 7:17 pm

    Hey guys,

    lets try to explain this with an example: I create three PNGs, each showing a different letter (a.png, b.png, c.png). So these show “a”, then “b” and then “c” when imported as an image sequence.

    What I need is an effect that “blends” every old frame into the new frames. So at first I see an “a”, then the blended combination of “a+b” and then “a+b+c” instead of “a”, “b”, “c”. Fancy settings like overlay, multiply and screen would be cool, but aren’t necessary.

    –> I want to copy each shown frame into the new ones.
    It’s a bit like this “onion” stuff in flash without fading old frames out after a time:
    https://animation.about.com/od/flashanimationtutorials/qt/flashonionskin.htm

    Other example: I import a rendered jumping ball. With the effect settings that I need, it looks like the ball is drawing on the screen.

    Hope you understand what I am trying to explain.

    With kind regards
    Johannes

    Johannes Roth replied 15 years, 9 months ago 2 Members · 2 Replies
  • 2 Replies
  • Steve Roberts

    August 1, 2010 at 11:15 pm

    Effect>time>echo might do.

    Echo needs to work with moving stuff. Apply it to:
    – a movie, or
    – a comp, or
    – an adjustment layer over animated still layers

  • Johannes Roth

    August 2, 2010 at 8:47 pm

    Thanks, thats exactly what I needed.

    Stupid After Effects CS3… I searched inside the effect folder called “Time”, but there also is a folder called “Zeit” (the German word for time, since I bought the German edition). Puh.

    Well, thanks a lot!

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