translation = new Transform3D();
translation.setTranslation(new Vector3f (0, 0, 20));
tg.setTransform(translation);
Sphere sphere = new Sphere(1.2f);
sphere.getAppearance().setColoringAttributes(new ColoringAttributes(0.1f, 0.8f, 0.8f, ColoringAttributes.NICEST));
tg.addChild(sphere);
parent.addChild(tg);
TransformGroup tg2 = new TransformGroup();
Transform3D translation2;
translation2 = new Transform3D();