public void setTexScale(float value) {
        texScale = value;
        material.setFloat("texScale", texScale);
    }
Sets the scale of the normal/dudv texture, default = 1.
Note that the waves should be scaled by the texture coordinates of the quad to avoid animation artifacts,
use mesh.scaleTextureCoordinates(Vector2f) for that.

@param value the desired scale factor (default=1)
jme3-effects/src/main/java/com/jme3/water/SimpleWaterProcessor.java