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Activity Forums Adobe After Effects Expressions Define the value of keyframes with expressions

  • Jon Smith

    June 19, 2012 at 6:09 pm

    For a little more context, I have 2 position keyframes that have a particular ease. I want to be ably to keep the timing and velocities the same yet be able to define the keyframe values with an expression.

    Thanks

  • Dan Ebberts

    June 19, 2012 at 6:30 pm

    You can’t change keyframes with expressions. You could apply an expression to the position property and maybe use the pre-expression values to shape the result, but it’s hard to say if that would work for you.

    Dan

  • Jon Smith

    June 19, 2012 at 6:44 pm

    I was hoping for something more straightforward. Right now I’m using something like this and it work well enough I suppose. I’m just limited to the default ease.

    tempX = easeOut(time, .5, 1, startPosX, endPosX);
    tempY = easeOut(time, .5, 1, startPosY, endPosY);

    [tempX, tempY]

    Thanks again Dan.

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