
Intro to Inverse Kinematics
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Creating IK Shapes
Click to start parent bone
Drag to extend bone
Release to complete bone
Figure 13.12 Adding bones within a shape is very
similar to adding bones between symbol instances,
except that all the bones stay within the same shape.
Creating IK Shapes
An IK armature inside a shape works
something like a hand in a sock puppet. e
armature can be linear or branching or a
combination of the two styles. e steps for
creating the chain or branches are quite simi-
lar to those for connecting symbols. e dif-
ference is that you place all the bones within
a single shape. You can use a merge-shape,
drawing-object, ...