 Whedon also admires Cameron's ability for writing heroic female characters such as Ellen Ripley (of "Aliens"), adding that he is "the leader and the teacher and the Yoda".Director Michael Bay idolizes Cameron and was convinced by him to use 3D cameras for filming "" (2011).Cameron's approach to 3D also inspired Baz Luhrmann during the production of "The Great Gatsby" (2013).