setData(new Vector3f(0f,0f,0f), zSamples, radialSamples, radius, true);
    public Sphere(        String name,        int zSamples,        int radialSamples,        float radius) {        super(name);        setData(new Vector3f(0f,0f,0f), zSamples, radialSamples, radius, true);    }