groundHome.getEnvironment().setGroundTexture(home.getEnvironment().getGroundTexture());
Ground3D ground = new Ground3D(groundHome, -1E7f / 2, -1E7f / 2, 1E7f, 1E7f, true);
Transform3D translation = new Transform3D();
translation.setTranslation(new Vector3f(0, -0.1f, 0));
TransformGroup groundTransformGroup = new TransformGroup(translation);
groundTransformGroup.addChild(ground);
exportNode(groundTransformGroup, true, true, silk);
HomeTexture skyTexture = home.getEnvironment().getSkyTexture();
this.useSunSky = skyTexture == null || !(home.getCamera() instanceof ObserverCamera);
if (!this.useSunSky) {