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Activity Forums Adobe After Effects Expressions How to control an animation using a slider but keep the animation properties.

  • Dan Ebberts

    November 10, 2011 at 11:04 pm

    So you want it to start at some random value between 73 and 87, and increase? At what rate? Is there a maximum?

    Dan

  • John Pritchett

    November 10, 2011 at 11:35 pm

    I guess this is where it becomes difficult. It can start anywhere +or-7 from the value. In this case 80, and finish anywhere within that range to. It just can’t go back and forth. Over what time? Perhaps lets make it over 10secs from frame 0.

    John

  • Dan Ebberts

    November 11, 2011 at 12:14 am

    I think this is what you’re asking for, but I think I’ve lost track of what you’re trying to do:

    dur = 10;
    seedRandom(index,true);
    startVal = 80 + random(-7,7);
    endVal = 80 + random(-7,7);
    curVal = linear(time,inPoint,inPoint+dur,startVal,endVal);
    wipe=effect(“Radial Wipe”)(“Transition Completion”);
    linear(wipe,0,100,curVal,0);

    Dan

  • John Pritchett

    November 11, 2011 at 3:00 am

    I think I’m getting a little lost too!
    You truly are a legend.
    With a little tweaking, this worked perfectly.

    A huge thanks again.

    John

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