ColorRGBA fogColor = new ColorRGBA(1.0f, 1.0f, 1.0f, 1.0f);
fog = new Fog(FAR_PLANE, WATER_HEIGHT, fogColor, new ColorRGBA(0.1f, 0.1f, 0.9f, 1.0f));
root.setRenderState(fog);
// SHADOW
shadow = new Shadow();
shadow.registerPass(passManager);
shadow.addOccluder(staticObjectNode);
shadow.addOccluder(voxelPoolContainer.getPoolNode(0));
shadow.addOccluder(voxelPoolContainer.getPoolNode(1));
shadow.addOccluder(voxelPoolContainer.getPoolNode(2));