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Lars Renklint
Currently Being Moderated

Fade out on every keyframe

Feb 10, 2012 2:23 AM

Another newbie question.

Tried this expression on a layers opacity:

 

d = Math.abs(time -transform.position.nearestKey(time).time);

easeOut(d, 100, 0)

 

The idea was to make the layers opacity go from 100% to 0 on every keyframe.

 

What actually happens is the opacity goes down to 36% in the middle between two keyframes, then goes up to 100 again.

 
Replies
  • Currently Being Moderated
    Feb 10, 2012 10:19 AM   in reply to Lars Renklint

    If you want it to fade out at each keyframe, doesn't that mean it will always be at 0% after the first keyframe?

     

    Dan

     
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  • Currently Being Moderated
    Feb 10, 2012 10:43 AM   in reply to Lars Renklint

    Try this:

     

    fade = 1; // fade duration

    n = 0;

    p  = transform.position;

    if (p.numKeys > 0){

      n = p.nearestKey(time).index;

      if (p.key(n).time <= time) n++;

    }

    if (n > p.numKeys) n = 0;

    if (n > 0){

      t = p.key(n).time;

      ease(time,t-fade,t,100,0);

    }else

      100

     

     

    Dan

     
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  • Currently Being Moderated
    Feb 10, 2012 5:50 PM   in reply to Lars Renklint

    Hmmm... it's hard to figure out what's going on. Can you post a screenshot of your keyframes?

     

    Dan

     
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