@Override
    public void render(RenderManager rm, ViewPort vp) {
    }
Render this control. Invoked once per view port per frame, provided the
control is added to a scene. Should be invoked only by a subclass or by
the RenderManager.

@param rm the render manager (not null)
@param vp the view port to render (not null)
jme3-jbullet/src/main/java/com/jme3/bullet/control/KinematicRagdollControl.java