In April, Michael Abrash was having some trouble while testing his code. Occasionally, when he was moving around in the game, the screen would show a completely random view that was from a totally different location for a split second. He debugged all the way down to the exact instruction that was responsible, but determined it was impossible to get the calculation result that would produce that random viewpoint. Carmack looked over the code as well, and this error didn’t make any sense. They were confident that there was not an error in the code. So Abrash called a friend who worked at Intel
...more
