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Activity Forums Adobe After Effects Mimicking a Rolodex / flipping a video clip

  • Michael Szalapski

    July 21, 2010 at 1:04 pm

    If you mean the bouncing motion, you can use expressions to get that. This tutorial may give you some ideas. And you should definitely check out Dan Ebberts’ site which is chock full of expressiony goodness.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

  • Joe Smoe

    July 21, 2010 at 5:54 pm

    Ok so I make the video rotate on the top of the image with an x rotation (3d on).

    It worked fine but I wanted decay and used this (found on the site given)…

    freq = 1.0; //oscillations per second
    amplitude = 50;
    decay = 0.7;

    amplitude*Math.sin(freq*time*2*Math.PI)/Math.exp(decay*time)

    Problem is the expression is causing the decay from the beginning and isn’t the image rotate (flip) onto the screen. So it’s one or the other. Without the expression it does the flip but without the decay. With the expression is does the decay, starting a small flap, but it isn’t starting from the top.

    How can I add the decay to the rotation I had already set. Where it starts from the top, then flaps down, with a quick decay.

    I hope that isn’t confusing.

  • Michael Szalapski

    July 21, 2010 at 8:39 pm

    You might look in the expressions forum to see if this has been answered before. If not, there would be a great place to post a new question.

    – The Great Szalam
    (The ‘Great’ stands for ‘Not So Great, in fact, Extremely Humble’)

    No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.

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