public final void updateModelTransforms() {
        jointModelTransform.updateModelTransform(localTransform, parent);
        updateAttachNode();
    }
Updates the model transforms for this bone and for the attachments node
if not null.
<p>
The model transform of this bone is computed by combining the parent's
model transform with this bone's local transform.
jme3-core/src/main/java/com/jme3/anim/Joint.java