

They tweaked it, and the armies of men and orcs fought for the fate of Middle-earth. Instead, Jackson's special effects shop had done what any video game maker does: created a form of artificial intelligence that governed the moves of the masses. It was a great marketing story, told as if Weta created orcs so smart that, when confronted with their own mortality, they headed for the hills - literally. It would have been impractical to hand animate each digital actor, so the special effects wizards at Weta Digital wrote computer algorithms that allowed them, in effect, to think.Īrmed with digital implements of destruction, the Uruk-hai marched on the fortress and, as The Battle of Hornburg began, promptly ran away. The movie's climax, a massive battle at the mountainside fortress Helm's Deep, involved a cast of thousands of computer generated orc monstrosities.


In 2001, during production of Peter Jackson's The Two Towers, the filmmakers ran into a problem.
