DepthOfFieldFilter dof = new DepthOfFieldFilter();
dof.setFocusDistance(0);
dof.setFocusRange(100);
fpp.addFilter(dof);
fade = new FadeFilter();
fpp.addFilter(fade);
water.setWaveScale(0.003f);
water.setMaxAmplitude(1f);
water.setFoamExistence(new Vector3f(1f, 4, 0.5f));