On the Line – Rocket Through - Cocos2d-x by Example Beginner's Guide - page 189

Have a go hero
Add logic to the resetStar method so that the new position picked is not too close to
the _rocket sprite. So, make the function a recurrent one until a proper position is
picked.
And take the warp particle system, which right now does not do a whole lot, and use it as
a random teleport field so that the rocket may get sucked in by a randomly placed warp and
moved farther away from the target star.