Motion tracking tools

There are several tools that help you track and adjust the character’s movement when creating animations. Ghosts -  a tool that shows the character’s position on adjacent frames of animation in the form of silhouettes.

Trajectories - a tool that allows you to track the movement of a selected object over a selected frame interval.

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Exercise 8.1: Ghosts of neighboring frames
chibi_jump_final.casc

Open the chibi_jump_final scene to complete the following tasks

  • Go to frame 28
  • Open the Ghosts button menu and select Previous ghost mode
  • Increase the number in the window on the left to see more silhouettes of the previous frames.
  • Select Next ghost state mode and increase the number in the window on the right.
  • Select Neighbors mode and increase the numbers in both windows.

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Exercise 8.2: Ghosts of selected frames
chibi_jump_final.casc

  • Choose Selected ghost state mode
  • Select frames 0 to 15
  • Move the indicator over the timeline - you will see the ghosts of the selected frames, regardless of the frame in which the indicator is located.

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Exercise 8.3: Keyframe ghosts
chibi_jump_final.casc

  • Choose any ghost mode.
  • Click on the key icon in the corner of the ghosts button to see keyframes ghosts. 
  • Click on the icon again to turn them off.

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Exercise 8.4: Trajectories of selected objects
chibi_jump_final.casc

  • Go to Point-controller mode
  • Select frames 0 to 28 
  • Click on different point controllers to see their trajectories on the selected interval.

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Exercise 8.5: Always visible trajectory of the selected point controller
chibi_jump_final.casc

  • Select frames 0 to 28
  • Choose any character point
  • Click the Show all trajectories fixed (Y) button
  • Click on other points - the trajectory will not be reset!
  • Click the Show all trajectories fixed (Y) button again to select a different point for displaying the trajectory.

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Exercise 8.6: Always visible trajectory on the selected interval
chibi_jump_final.casc

  • Select frames 0 to 28.
  • Click the Set trajectory interval button - the frames interval will be marked with black flags.
  • Select any point to display the trajectory.
  • Choose any other frames - you will still see the trajectory on a fixed interval!
  • Click the Set trajectory interval button again to select a different frame interval.

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And that’s not all!

The listed above options of working with trajectories are enough to start making animations and tracking the movement of the character. However, this is far from all that they are capable of! You can learn more about the trajectories from the video:

 

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