[Drag] or [Click] to create planet or star. [Arrow keys] or [Space + Drag] to change pos. Press [1] ~ [0] number to fix your camera to body. Press [D] to delete a body when it's fixed. Type of "Star" is free of gravity.
I WANT TO ADD BLACK HOLE! I NEED HELP! BLACK HOLE MASS IS 2000000000 NO MATTER WHAT!