code: public Vector2f normalize(float length, Vector2f dest) {
          float invLength = (float) (1.0 / Math.sqrt(x * x + y * y)) * length;
          dest.x = x * invLength;
          dest.y = y * invLength;
          return dest;
      }
docs: /* (non-Javadoc)
  @see org.joml.Vector2fc#normalize(float, org.joml.Vector2f)