[Anark] IK Bone (Physics Behavior)

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发表于 2011-10-21 09:35:00 |只看该作者 |倒序浏览

            IK Bone (Physics Behavior)


         Summary


         Designates the parent object as an Inverse Kinematics 'bone', setting allowed transformations and limits.


            Category


            Latest Behaviors


            Author


            Gavin Kistner


            Difficulty


            (Reference)


            Time to Complete


            5 Minutes


         Downloads


         Click Here

         to download the associated files.


         (This document covers version 0.9 of the 'IK Bone' behavior, current as of 2005-Feb-11)


         Description


         Attaching

            IK

         Bone behaviors to a series of nested objects allows them to use ***te-force Inverse Kinematics to cause the

            IK

         Seeker object to move towards a target object. (You must attach an

            IK

         Seeker behavior to an object at the end of the chain, and cause that behavior to start, for the

            IK

         Bone behaviors to do anything.)


         There can be no gaps in the chain. Starting at the parent object of the

            IK

         Seeker behavior and inspecting ancestors, the first object which does not have an

            IK

         Bone behavior attached is considered the base of the chain.


         To allow an object ‘unlimited’ freedom when rotating about a certain axis, set the min/max for that section to large extremes, such as -10000 and 10000.


         See the sample presentation for an example of how to set up an IK chain.


         Basic Properties


            X Rotation?


            Allow rotation around the X axis?


            Y Rotation?


            Allow rotation around the Y axis?


            Z Rotation?


            Allow rotation around the Z axis?


            X Offset?


            Allow movement along the X axis?


            Y Offset?


            Allow movement along the Y axis?


            Z Offset?


            Allow movement along the Z axis?


            Min Rotation


            Minimum allowable rotation values.


            Max Rotation


            Maximum allowable rotation values.


            Min Offset


            Minimum allowable position values.


            Max Offset


            Maximum allowable position values.


         Advanced Properties


            Degree Change


            Maximum amount to rotate per frame.


            Offset Change


            Maximum amount to offset per frame.


         Demonstration


            View Demonstration Project


            Download Project File