That's a sign you should submit better articles or write them yourself (then submit). If you have a bunch of links handy why not post them here as well? When I

That's a sign you should submit better articles or write them yourself (then submit). If you have a bunch of links handy why not post them here as well? When I learned about sweep and prune I was amazed at how simple and obvious it should have been, but I don't recall the first books I read on game programming ever mentioning it, I'd hope a book dedicated to collision detection topics would but I don't own one.