Final answer:
The scripted nature of the scene in which Rose spits in Cal's eye in the movie 'Titanic' is not publicly documented, but it could be a scripted moment or an instance of actor improvisation to add realism to the film.
Step-by-step explanation:
Whether the moment when Rose spits in Cal's eye in the movie Titanic was scripted is not a detail openly recorded, but various moments in films can be either scripted or the result of improvisation by the actors. In the script for Titanic, the intense emotions and actions of the characters are central to conveying the story's drama and experience during the historical event. Typically, major plot points and significant actions are scripted, but actors may also be given some leeway to bring authenticity to a performance. Examples of this can be seen in many films, where a spontaneous moment created by an actor adds to the richness and realism of the scene.