I wanted to test some game ideas using negative mass, and imaginary mass. But my knowledge of this is poor, and i was wondering if anyone has any ideas.

@xThomas You don’t say how you’re using mass. If you use the Codea Physics engine, the reference says you can’t set mass as negative. If you’re using mass in one of your own equations, then just make it negative. Whether that will work depends on your equations.

## Comments

@xThomas You don’t say how you’re using mass. If you use the Codea Physics engine, the reference says you can’t set mass as negative. If you’re using mass in one of your own equations, then just make it negative. Whether that will work depends on your equations.