I am currently working on a space game. This will be similar to ASTEROIDS and I will need to know how do I make a circle or a polygon lets say move on the screen smoothly as if it is realy floating in space. Also it can be useful if you can help me about making a simple triangular ship move in space (a small hint will do). I have come up with a couple of good ideas, but may be you can tell me better simpler ideas.
The main thing I need help on is how to make that rock float in space (thats about it, if I know this, the rest will be derived from this solution).
I would like to thank everyone in advance.