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Activity Forums Adobe After Effects Expressions text animation?

  • Dan Ebberts

    January 22, 2010 at 7:03 pm

    You could “borrow” one of the other properties, like rotation, with a source text expression like this:

    w = 50 + (transform.rotation.wiggle(.1,50) – transform.rotation);
    w.toFixed(0)

    Dan

  • Hamid Rohi-bilverdy

    January 23, 2010 at 5:42 pm

    Ok sorry if I wasnt specific enough. first off all.i am new to expressions, so can you advice in simpel steps. Second I just want a text animation value with the number 0 going to 100 and then stops at 100.

    What is the easiest way for this?

    regards Hamid

  • Dan Ebberts

    January 23, 2010 at 6:04 pm

    This expression will count from 0 to 100 over a 4-second interval.

    startT = 0;
    endT = 4;
    beginVal = 0;
    endVal = 100;
    t = linear(time,startT,endT,beginVal,endVal);
    t.toFixed(0)

    Steps:

    1. Copy the expression
    2. Alt+click the Source Text stopwatch
    3. Paste the expression

    Dan

  • Hamid Rohi-bilverdy

    January 24, 2010 at 8:57 am

    thanks so much Dan. I will try this when i get home today. I think it is just what i need. So in 4 seconds it goes from 0 to 100 and stays there, am i right?
    One last question if you be so kind, how do i get a blinking effect. I mean e.g the word scanning should blink/apear and disapear. Like a robot scanning for an object. I hope you get the idea.
    Regards Hamid

  • Dan Ebberts

    January 24, 2010 at 8:32 pm

    There are many ways to do this. One would be to keyframe one on-off cycle of the layer’s opacity and add this expression to the opacity property:

    loopOut()

    Dan

  • Hamid Rohi-bilverdy

    January 25, 2010 at 9:03 pm

    ok. You mean that i keyframe an opacity value of 100 and then a couple frames later i keyframe to 0 and then add the script?

  • Hamid Rohi-bilverdy

    January 27, 2010 at 4:54 pm

    thanks a lot. It worked fine. You the man Dan..

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