8

Understanding Walk Cycle Constraints 761
Touch state: pivot planted at heel at frame 14
The foot is touching the ground at the heel.
In the Key Info rollout, Set Planted Key is clicked
to set IK Blend=1.0 with object space and Join To
Prev Key turned on. A pivot is selected on the heel
of the foot.
Pivot point shifts to ball of foot at frame 16.
Thenextkeyframeisalsoaplantedkey,asthefoot
is flat on the ground. In the Key Info rollout, Set
Planted Key is clicked. The pivot on the ball of the
foot is selected.
Planted key set to lock p ivot at frame 17
This key has the pivot on the ball of the foot as
well. Click Set Planted Key. Two consecutive keys
w ith the pivot at the ball of the foot are necessary
to rotate the foot about the ball of the foot.
Heel lifts, toe remains flat at frame 18
After rotating the foot about the pivot at the ball of
the foot, you set another planted key with the pivot
on the toe.