Rolling Ball

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Practicing Rotational animation


This exercise is designed to be an application of the information learned in Chapter 3 of the Animation Bootcamp course.

The assignment is to animate a ball rolling across the floor. This application will introduce you to rotational keys and f-curves, which are a-whole-nother animal compared to transnational f-curves. It will challenge your curve-to-motion coordination.


  1. Download the Rolling Ball Bounce: Source Files from the Downloads tab. Unzip and open the included .blend file with Blender.
  2. Key as few key-poses as possible to achieve a rolling ball animation with settle-to-stop.
  3. Render your animation as an openGL viewport render.
  4. Upload your video to YouTube or Vimeo.
  5. Finally, submit your exercise by clicking the Submit Exercise button in the top-right corner of this page and pasting your video’s URL.

Exercise Questions and Answers

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  • Replies: 1

    Nothing to do with the actual animation, but the files that I’ve downloaded don’t update the frame number for the text object. Just wondering if anyone else has come across this

    5 months ago

    • Replies: 0

      Yup, having the same problem.

      1 week ago

  • Replies: 0

    I have tried to calculate a length of circumference – the distance ball have to rotate on 360 degrees – then did a correct animation, and figered out that pisycly correct does not mean realistic looking. The best realistic looking results I achived when ball slide a little. Here is not a quastion, just observation

    7 months ago