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Mirrored motion
Use Mirror if you want to create the opposite of a motion you've already
created. For example, if a biped walks to the left and swings its right arm,
mirroring the motion results in a motion where the biped walks to the right
and swings its left arm.
The mirrored motion replaces the existing motion for the biped. If you want
to keep the existing motion and add the mirrored motion, use Paste Opposite
in the Copy/Paste rollout.
NOTE This feature mirrors only those biped tracks that have at least one key. The
position of a keyless object is not mirrored.
Using Layers
Layers allow you to add successive layers of animation above the original
biped animation. This is a powerful way of making global changes to your
character animation. For example, simply add a layer, and rotate the spine
forward at any frame, and a run cycle becomes a crouched run. The original
biped motion is kept intact, and can be viewed by switching back to the
original layer. Layers can be viewed individually, or as a composite of all the
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