public void inverseRotateVect(Vector3f vec) {
        float vx = vec.x, vy = vec.y, vz = vec.z;

        vec.x = vx * m00 + vy * m10 + vz * m20;
        vec.y = vx * m01 + vy * m11 + vz * m21;
        vec.z = vx * m02 + vy * m12 + vz * m22;
    }
Inverse rotate the specified Vector3f using the rotation component of
this 3-D coordinate transform.

@param vec the Vector3f to inverse rotate (not null, modified)
jme3-core/src/main/java/com/jme3/math/Matrix4f.java