Hey, im working on a game, thats a side scrolling shooter, kind of like defender. Of course its in 3d though. I had a question about collisions, what would be the fastest way to detect a collision between my ship, and say a bunch of asteroids. There will be probably about 30 or 40 asteroids at a time of different sizes and shapes. What do i do to detect when i hit one? It needs to be fast. Ive never used colisions before so treat me like an idiot. Thanks in advance.