Côté said the tool can also be employed to depict a live gunshot. The still image of the flash at the end of the gun would be photogrammetried, as it were, to spread to the rest of the room, and even a savvy viewer would be none the wiser. It just would take a bunch of extra hours, since you’d be creating a new special effect each time, and spending as much as a few thousand dollars every time a gun was fired.