Let computers do it: Film set tragedy spurs call to ban guns

Attendees kneel at a candlelight vigil for the late cinematographer Halyna Hutchins, pictured in photographs, Sunday in Burbank, Calif. A prop firearm discharged last Thursday by actor Alec Baldwin, while producing and starring in a Western movie in Santa Fe, N.M., killed Hutchins and wounded director Joel Souza. (AP Photo/Chris Pizzello)

NEW YORK — With computer-generated imagery, it seems the sky’s the limit in the magic Hollywood can produce: elaborate dystopian universes. Trips to outer space, for those neither astronauts nor billionaires. Immersive journeys to the future, or back to bygone eras.