final Node reflectedNode = new Node("reflectNode");
reflectedNode.attachChild(terrain);
skybox = buildSkyBox();
skybox.getSceneHints().setAllPickingHints(false);
reflectedNode.attachChild(skybox);
final Camera cam = _canvas.getCanvasRenderer().getCamera();
// Create a new WaterNode with refraction enabled.
waterNode = new WaterNode(cam, 2, false, true);