180-degree rule

Watch as an animation →

In plain words

By not crossing the imaginary line between two subjects, left-right positions and directions never get confusing.

When to use it

Dialogue scenes, two subjects facing each other, shots of moving vehicles.

Example videos

The 180 Degree Rule in Film (and How to Break The Line) #180degreerule — Explainer: See an example where respecting the imaginary line keeps left-right positions consistent.
Quick Tips: Understanding The 180 Degree Rule! — Explainer: A short look at why directions get confusing when the line is crossed.

In AI video, like this

Put "A faces right from the left side of the frame, and B faces left from the right side" in the fixed block of every shot. If it generates the other way around, regenerate, and use hflip only when there are no asymmetrical props or text.

One-click prompt

Two-shot sequence, with an imaginary line between two characters that the camera never crosses: Shot 1, over-the-shoulder, a red-haired girl on the left side of the frame faces right toward a small robot; hard cut to Shot 2, the robot on the right side of the frame faces left toward her, same diner window light, 3 seconds each.

See it in real films and ads

StudioBinder — The 180 Degree Rule in Film

AI-made examples

Not verified

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