7 Click Set Sliding Key to keyframe the foot rotation.
The sliding key does not join to the previous key, but has IK Blend set to
1, which keeps the foot above the ground plane. If you had set a planted
key, the foot would jump to a different location as it attempted to join
to the previous key.Lift the foot off the ground:
When the foot lifts off the ground completely, you’ll set a free key.
1 Move the time slider to frame 15.2 In the Left viewport, right-click the foot and choose Move from the quad
menu. Move the foot up off the ground and forward.By moving the foot, you are seeing an example of Biped’s IK system. You
are creating rotations for the upper and lower leg links as you move the
foot.3 On the Key Info rollout, click Set Free Key to keyframe the lifted
position of the foot.4 Move the time slider back and forth to observe the animation so far.Animating a Freeform Walk Cycle | 803