public void setSurfaceTangentRotation(float surfaceTangentRotation) {
        this.surfaceTangentRotation = surfaceTangentRotation;
    }
This method sets the surface tangent rotation factor.
@param surfaceTangentRotation
       the surface tangent rotation factor
jme3-core/src/main/java/com/jme3/effect/influencers/NewtonianParticleInfluencer.java