public void setWaveScale(float waveScale) {
        this.waveScale = waveScale;
        if (material != null) {
            material.setFloat("WaveScale", waveScale);
        }
    }
Sets the scale factor of the waves' height map.
The smaller the value, the bigger the waves.
Default is 0.005 .

@param waveScale the desired scale factor (default=0.005)
jme3-effects/src/main/java/com/jme3/water/WaterFilter.java