code: public Vector3f transformDirection(double x, double y, double z, Vector3f dest) {
          float rx = (float)(m00 * x + m10 * y + m20 * z);
          float ry = (float)(m01 * x + m11 * y + m21 * z);
          float rz = (float)(m02 * x + m12 * y + m22 * z);
          dest.x = rx;
          dest.y = ry;
          dest.z = rz;
          return dest;
      }
docs: /* (non-Javadoc)
  @see org.joml.Matrix4dc#transformDirection(double, double, double, org.joml.Vector3f)