display.getRenderer().setBackgroundColor(ColorRGBA.black);
Node nodeRandomObjects = Tool.makeRandomEnviromentObjects(new Vector3f(0, 0, -500), 3000, 5000, true);
rootNode.attachChild(nodeRandomObjects);
hud = new Hud();
SceneMonitor.getMonitor().registerNode(hud, "HUD");
AbsoluteMouse am = new AbsoluteMouse("am", DisplaySystem.getDisplaySystem().getWidth(), DisplaySystem.getDisplaySystem().getHeight());
am.setRenderState(Tool.createUsualTS(HudTextures.MOUSE_CURSOR));
am.setRenderState(Tool.createUsualBS());