my game

hi how do I make it where I have a ship and its antigravity so it can go anywhere and there are a bunch of stars that you can get. the ship goes anywhere it wants but there is an invisible boundary. you have rocks that move slowly that you have to get through and also jelly fish that move around but how do i make the ship move plz help

just click on the box affected by gravity and turn it off

yeah but it still doent work as well