Autodesk 12812-051462-9011 - 3DS MAX 9 COM LEGACY SLM, Help File

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Footstep Adapt Locks group
Lock specified tracks to prevent automatic adjustments being made to those
tracks when footsteps are moved in space or edited in time. All the locks except
for Time work for footstep editing in space. Time locks upper body keys when
footsteps are edited in time (Track View). Adapt Locks only applies to a Footstep
animation, not a freeform animation.
When you move a footstep in space or adjust footstep timing, Biped
automatically adapts existing keyframes to match the new footsteps. Adapt
locks allows you to preserve the exact position of already created keys for a
selected track.
Adapt Locks does not need to be on all the time. For example, if you want to
raise all the footsteps along the world Z-axis, without changing the upper
body position, turn on Footstep Adapt Locks group > Body Vertical Keys, turn
on Footstep mode, select all the footsteps and move them up along the world
Z-axis. The footsteps are repositioned, the legs are adapted, but the upper body
retains the same motion rather than being raised with the footsteps. Now turn
off Body Vertical Keys, and the upper body still retains its original motion.
Use Footstep Adapt Locks > Time to retain upper body motion while editing
footstep duration in Track View. When the duration of a footstep is changed,
the biped leg will adapt by re-timing the touch, plant, and lift keys. The biped
upper body keys will retain their exact motion.
Body Horizontal Keys Turn on to prevent adaptation of body horizontal keys
when footsteps are edited in space.
Body Vertical Keys Turn on to prevent adaptation of body vertical keys when
footsteps are edited in space.
Body Turning Keys Turn on to prevent adaptation of body turning keys when
footsteps are edited in space.
Right Leg Move Keys Turn on to prevent adaptation of right leg move keys
(a leg move key, is a leg key between footsteps) when footsteps are edited in
space.
Left Leg Move Keys Turn on to prevent adaptation of left leg move keys (a
leg move key, is a leg key between footsteps) when footsteps are edited in
space.
Freeform Keys Turn on to prevent adaptation of a freeform period in a footstep
animation. The biped’s position during a freeform period will not move if
footsteps after the freeform period are moved further away.
Biped User Interface | 4419