Wilson Chapman editorTi West made his name directing nimbly paced throwbacks to horror films of old, from his haunted house breakthrough “The House of the Devil” to his found footage film “The Sacrament.” But after directing six horror films in a row, with very few breaks in between, he decided to take some time off to make sure he didn’t start repeating himself.While on his break from horror filmmaking, during which he directed for TV shows such as “Scream,” and “Tales From the Loop,” he thought about making a pure slasher film, something he hadn’t done before. Trying to find his own unique spin on the subgenre, he decided to make slasher film about people making a film.