@Override
    public void preFrame(float tpf) {
        time = time + (tpf * speed);
        if (time > 1f) {
            time = 0;
        }
        material.setFloat("time", time);
        savedTpf = tpf;
    }
Creates a SimpleWaterProcessor
@param manager the asset manager
jme3-effects/src/main/java/com/jme3/water/SimpleWaterProcessor.java