I don't think it's meant to be colliding with the other planet.
Rather, just doing one of those blackhole or whatever thingies. Exploding... Even though blackholes implode, but err.
I know the work can be improved, but I don't know where... If that makes any sense.
i wanted to black the screen before loop start again, it is too bright anyway, it was just my try to make something like avatar... i will keep practicing, this is far from my sigmaking standard.