Rigging for Realistic Movement - Game Character Creation with Blender and Unity - page 178

Figure 7.30
Posing the arm
bones with the
IK hand
Now you have IK on the arms and legs. Adding these constraints will make animation
a little easier when you animate the zombie in the next chapter.
Adding Constraints to the Face
Adding some constraints to facial bones will make them easy to control. Many of these
bones will be set up with external controllers so they can be posed with as little fuss as
possible. Note that many of these steps are most commonly taken after the armature has
been rigged to the mesh, so if that is what you would like to do now, you may skip ahead
to the “Linking the Armature and Zombie” section and return to this section to add con-
straints to the face.
1. Return to Edit mode for the armature. Pan up to the eye bones and select the head/
root of one of them. Press Shift+S to open the Snap menu and select Cursor To
Selected. Change the Pivot Point option to 3D Cursor.
2. Select the whole eye bone and press Shift+D to duplicate it. If you still have X-axis
Mirror editing on, the bones will duplicate on both sides. Press R to rotate the new
duplicate bones upward slightly. Name these bones UpperEyelid_L and UpperEyelid_R .
Do the same thing and rotate down to create lower eyelid bones; call them
LowerEyelid_L and LowerEyelid_R . Look to Figure 7.31 as a guide.