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General Introduction

We know that the OA will be created from the first joint (root) of the initial character rig.

But in some cases , we want to create our OA not from the root of the hierarchy.

For example in below picture, we want to create OA and Action from the blue joint instead of the red joint.

_{Root bone is not real moving root}

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Instructions

Create OA

Before creating original agent, please un-parent and create one without "fake" joint node, and the action will drive the agent perfectly

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_{The original agent we need get rid of the "fake" root}

Create Action

Select the red joint, add an attribute called "skipRoot" which name is skipRoot (Boolean type) and make it "True"/ "On", then use this rig to generate action node, the system will automatically find "blue" joint the next joint ( the blue one) and skip the "red" one.

Image RemovedImage Added
_{Select the red bone, and add an attribute called "skipRoot" and make it true}

     2. We Then create action node as usually. The action node will know what happened and automatically ignore the "red" joint      3. Before creating original agent, please un-parent and create one without "fake" joint node, and the action will drive the agent perfectly

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_{Everything will be OK}