My ship sprites use the Bullet behavior. When the user left-clicks with the mouse, the ship turns toward the clicked position and increases it's speed. This works great, but unfortunately doesn't do collisions. From what I've read, the bullet behavior simply isn't designed for that.
So, what's the best solution to get my ships to realistically bounce off each other, and other objects in the game like asteroids? I've tried attaching another sprite to the ship, with the "8-direction" behavior. Unfortunately, I think that the bullet behavior in the ship essentially is setting the X & Y coordinates of the ship, overriding any collision behavior in the child objects.