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Activating Sliding Joints
1. Sliding axis
When you turn on Active for one of the X, Y, Z axes of a sliding joint the
object can move along that axis of its parent’s coordinate system.
Most sliding joints are active only along a single axis. A telescope is an example
of a sliding joint active on a single axis. You rarely see a sliding joint active
along all three axes.
If a sliding joint is active along all three axes, it moves independently from
its parent. It’s almost as if there is no joint connection at all.
TIP Use the HD IK Solver when you need to use sliding joints with IK.
3472 | Chapter 15 Animation