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| − | __NOTOC__
| + | #REDIRECT [[Glossary#Inverse_Kinematics]] |
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| − | = Inverse Kinematics =
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| − | IK for short. A method of manipulating [[Hierarchies|hierarchies]] where the animator positions objects at the end of the hierarchy and the program calculates the positions and orientations of all other objects in the hierarchy. With properly setup IK, you can quickly animate complex motions. For instance, the bones in the arm of a character are linked in a hierarchy, then limits are set for the rotations of the bones, then the animator can move the hand, and the IK will figure out what the rest of the arm needs to do.
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| − | IK is used in RT3D to allow characters to interact with the environment in a more realistic manner, like when a player directs a character to pick an object off the floor. See also [[ForwardKinematics|forward kinematics]].
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| − | ----
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| − | [[Category:Glossary]]
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