shadowcasting

Noun

shadowcasting (uncountable)

1. The generation of shadows from a three-dimensional model.
   • A different shadowcasting arrangement results when light rays are oriented oblique to the picture plane. In this situation actual and bearing rays appear to vanish in perspective.1979, Kevin Forseth, David Vaughan, Graphics for Architecture, page 191
2. (microscopy) A technique in which an incident ray at a small angle to the horizontal casts a shadow, thus making an object easier to see.
3. The live amateur performance of a film by a group of people at the same time as watching the film.
   • One of the most common of these gay male participations with Rocky Horror is 'shadowcasting', a type of camp performance in which the actor dresses in costume as a character and mimics his or her actions in front of the screen.2020, Darren Elliott-Smith, John Edgar Browning, New Queer Horror Film and Television, page 35