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Activity Forums Apple Motion How do I maintain size at end of “Grow Shrink Behavior”

  • How do I maintain size at end of “Grow Shrink Behavior”

    Posted by Sebastian Knight on September 3, 2005 at 1:53 pm

    When using the “Grow, Shrink-Behavior” how do I maintain the ending Grow value, rather than having it revert back to the orginal size before “Grow, Shrink-Behavior” was applies, as what is now happening, I want to keep the end of “Grow, Shrink-Behavoir” value.

    As always thanks in advance for your reply to my Post,

    Sebastian

    Toby Angwin replied 20 years, 8 months ago 5 Members · 4 Replies
  • 4 Replies
  • Noah Kadner

    September 3, 2005 at 6:50 pm

    Make sure the behavior’s out point on the timeline goes to the end of the project’s length.

    Noah

  • Doyle Rockwell

    September 4, 2005 at 5:12 pm

    Hey Sebastian,

    Some behaviors stop affecting their target parameters after the behavior ends…and some don’t. Throw, for example, affects the Position parameter of an object, but the object doesn’t jump back to its original location after the Throw ends. Grow/Shrink, as you’ve noticed, does stop affecting the Scale parameter when the behavior ends.

    There are a couple of ways to get around this. As Noah suggested, simply extending the lifetime of the behavior will keep its affect in place. In the case of Grow/Shrink, though, the behavior is constantly driving Scale, so extending the behavior keeps the animation going, and you want it to stop growing/shrinking at a certain point, right? Your new best friend: the Stop parameter behavior. Stop freezes a parameter in place. Simply add a Stop to the Position parameter of the object, having the Stop begin at the last frame of the Grow/Shrink. To add the Stop, just right-click on the Position parameter name in the Inspector, and select it from the list. Stretch the Stop’s length out for as long as you want the scale to hold.

    Hope this helps. Good luck!

  • Jim Kanter

    September 5, 2005 at 3:48 am

    Make sure that the behavior lasts as long as the clip and use the end offset parameter to determine how many frames before the end of the behavior you want the interpolation to stop.

    Jim Kanter,
    Digital Film Institute
    http://www.dfilminst.com

  • Toby Angwin

    September 8, 2005 at 12:43 am

    Sorry to be old school about this, but couldn’t you just keyframe it? It’s worked for years.

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