Axis of Action is an imaginary line that runs through the main subjects of a scene, defining spatial relationships between characters and objects. It is a fundamental concept in continuity editing to maintain consistent screen direction.
Key Principles of the Axis of Action
- The camera should not cross the axis during a cut, as it would flip screen direction, causing confusion.
- Helps maintain consistent eyelines, movement, and geography in a scene.
- Crossing the axis can be done intentionally for stylistic purposes but requires a smooth transition, such as a camera movement across the line or a neutral shot on the axis.
Axis of Action & the 180-Degree Rule
The 180-degree rule is based on the axis of action, ensuring that all shots stay within a consistent semicircle to preserve spatial continuity.
Common Uses of the Axis of Action in Filmmaking
- Dialogue Scenes – Keeps character positions clear.
- Action Sequences – Ensures smooth movement continuity.
- Blocking & Staging – Defines visual composition and camera placement.
180 Degree Rule & How to Break it
Additional Reading
- Wikipedia – 180-degree rule
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