2009

By default, the Mixer compensates for differences in upper and lower body
motion by making slight alterations to the spine and pelvis motions. If the
biped bends over at the waist, for example, the pelvis will be moved to
compensate for the weight shift, and the spine rotation will be lessened to
help the biped keep its balance. Balance compensation is intended to make
the biped's motion look as natural as possible.
In the Mixer, you can control the degree of automatic balance compensation
using the balance track. One balance track is automatically created for each
biped as it is added to the Mixer.
Balance track
TIP If the balance track for a biped is not displayed, click Preferences on the
Motion Mixer toolbar, and turn on Balance Curves on the
Mixer Preferences dialog
on page 3791.
The balance track has a weight curve for adjusting the degree of automatic
balance compensation between upper and lower body trackgroups. By default,
the weight value of 1.0 across the balance track provides the maximum degree
of compensation. You can reduce the weight curve at various points to lessen
the degree of automatic balancing performed by the Mixer.
NOTE Each biped can have only one balance track, and the balance track cannot
be deleted.
For fine adjustments to balance compensation, you can also change the
parameters on the
Balance Parameters dialog on page 3752, available from the
Mix menu.
NOTE Balance Curves and related parameters are not available for non-biped
mixes.
3738 | Chapter 15 Animation