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4 Press Ctrl+Z again to return the biped to its previous position.

Now you’ve seen the effect of the planted key on the foot. You can use the

same Set Key buttons on pivot points for the feet and hands. Next, you’ll

replace the key at frame 0 with a new one, changing the pivot point.

Set pivot keys:

1 At frame 0, right-click the Perspective viewport and select Bip01 R Foot.

It still has the planted key from before.

2 On the Key Info rollout, open the IK expansion bar and click Select Pivot.

All pivot points for the foot are now visible as blue and red dots. The

pivot at the ankle is red, showing that this is the currently active pivot

point.

Wireframe mode lets you clearly see and select the pivot points.

3 Click the pivot point on the ball of the foot, at the base of the toes.

The new pivot point is displayed in red.

NOTEYou don’t have to set a key each time you choose the pivot point.

However, you should use the Set Key buttons if you want to change the Key

parameters.

4 Advance the time slider to frame 5, and click Set Key.

800 | Chapter 5 Character-Animation Tutorials