@Override
    protected void initExample() {
        final Transform j1Transform = new Transform();
        j1Transform.setTranslation(0, 0, -5);
        j1Transform.invert(j1Transform);
        final Joint j1 = new Joint("j1");
        j1.setInverseBindPose(j1Transform);
        j1.setParentIndex(Joint.NO_PARENT);
        final Transform j2Transform = new Transform();
        j2Transform.setTranslation(0, 0, 5);
        j2Transform.invert(j2Transform);
        final Joint j2 = new Joint("j2");
        j2.setInverseBindPose(j2Transform);
        j2.setParentIndex((short) 0);
        final Skeleton sk = new Skeleton("arm sk", new Joint[] { j1, j2 });
        pose1 = new SkeletonPose(sk);
        pose1.updateTransforms();