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Thread: Acceleration and deceleration please

  1. #1

    Acceleration and deceleration please

    Hello, I haven't posted in quite a while however I need some expertise.

    I will be working on an animation this week that depicts some traffic along a roadway. I need some vehicles to decelerate and make a smooth stop.

    And of course after they stop at signal, then I will need them (vehicles) to accelerate smoothly to posted speed limit.

    If some one could point me in the right direction, I would greatly appreciate their help.

  2. #2
    Angry Mac User Otterman's Avatar
    Join Date
    May 2006
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    England
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    867
    All you need is under the hood of the graph editor...http://www.newtek.com/forums/showthread.php?t=85656.

    I also know of a very nifty plugin that will do all you ask and so much more, ive not used it myself but you may wanna check it out....

    http://vehiclerigger.walen.se

  3. #3
    You could select the keyframes that apply and add or decrease continuity in the graph editor for the basic movement you want. Add 1 or -1?

    swing

  4. #4
    You could select the keyframes that apply and add or decrease continuity in the graph editor for the basic movement you want. Add 1 or -1?

    swing

  5. #5
    Post-apocalyptic rakker16mm's Avatar
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    Aug 2006
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    Palo Alto California
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    872
    Don't forget the dope track. Sometimes you just need to move the keyframes.

  6. #6
    Thanks to all, I will post results later this week.

  7. #7
    Worley's VelAccel plugin from the Polk Collections works well here, too.

    Tyler
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  8. #8
    Registered User iriemac's Avatar
    Join Date
    Jul 2008
    Location
    London
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    16
    Dont forget you can edit quite well in the Graph editor. Simply select the points and change them into the Bezier curve mode. Toggling the handles will create a bendy cuvre which can create precise deceleration/acceleration.

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