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282 11. Navigation and Movement in VR
There is a close connection between the use of IK and the motion capture
and motion-tracking hardware discussed in Chapter 4. This is because IK
can predict the motion of parts of a linkage that have not been explicitly
tracked. It is especially useful in those cases where the tracked points relate to
human actions. For example, some dance steps might be captured by tracking
five markers on a human figure: two on the feet, two on the hands and the
other on the torso. A well-thought-out IK model will allow the motion of
ankles, knees, hips, wrists, elbows and shoulders to be simulated with a very
satisfying degree of realism.
And so, with all the theoretical detail explained with regards to creating
your own ...