Blocking

What is Blocking?

Blocking is deciding where actors stand and how they move within a scene before the camera starts rolling.

At a glance

Also known as
Stage blockingScene choreographyMovement directionActor placement
Used for
Maintaining spatial continuityGuiding emotional storytelling through movementPlanning camera setups
Common tools
Floor plansRehearsal spaceStoryboardsShot lists
Related terms
StoryboardShot listContinuityMise en scèneCamera motion

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How it compares

How it compares

Blockingstaging

Staging is a broader term that encompasses the overall visual arrangement of a scene, including set design, lighting, and costume as well as performer placement. Blocking refers specifically to the planned movement of performers and cameras within the staged environment. Good blocking takes place within a well-staged scene, but they are distinct planning activities.

Think of it like…

Imagine you are putting on a play for your family using your toys. Before you start, you decide that the red toy will stand by the lamp, and when the blue toy says something, the red toy walks toward the table. You have worked out the moves before the performance so everything happens in the right place at the right time. That planning is blocking. It means when someone is filming, everyone and everything is exactly where it should be, and the camera can be in the right place too. Directors consistently cite thorough blocking as one of the most effective ways to protect production time, because spatial problems discovered during blocking rehearsal cost minutes to fix, while the same problems discovered on set with a full crew cost hours.

Pro tip

When writing AI video prompts for scenes with multiple subjects, describe blocking explicitly. Instead of two people in conversation, write woman standing by the window left of frame, man seated at table right of frame, camera between them at eye level. Specific spatial information in the prompt produces far more compositionally coherent multi-character generations than subject descriptions alone.

Types and variations

  • Character blocking defines the positions and movements of performers within the scene.
  • Camera blocking defines how the camera moves in relation to the action.
  • Mechanical blocking plans the interaction between performers and physical elements such as doors, props, and furniture.
  • Traffic blocking manages the movement of multiple characters or a crowd through a shared space.
  • Virtual blocking, applied in animation and AI workflows, defines the positions and movements of digital characters across a scene.

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Common use cases

  • Narrative filmmaking uses blocking rehearsals before every shooting day to plan actor positions and movement.
  • Theatre productions rely on blocking to establish spatial relationships and movement patterns across the full run of a production.
  • Animation directors block character movement and camera positions in pre-production to guide the animation team.
  • Commercial and music video directors block performer movement and camera choreography to synchronise visuals with music timing.
  • AI video creators use blocking principles to write more spatially coherent multi-character scene prompts.

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FAQs

What is blocking in filmmaking?
Blocking is the planning of actor and camera movement within a scene before filming begins. It defines where performers stand, how they move, and how the camera responds, establishing the spatial logic and physical choreography of the scene.
Why is blocking important in film production?
Blocking ensures spatial continuity across cuts, supports the emotional storytelling of a scene through physical movement, and allows the camera department to set up efficiently. Problems identified in blocking rehearsal are far less costly to resolve than the same problems discovered during filming.
What is the difference between blocking and staging?
Staging refers to the broader visual arrangement of a scene, including set design, lighting, and costume. Blocking specifically refers to the planned movement of performers and cameras within that staged environment. Blocking happens within a staged scene.
How is blocking done in animation?
In animation, blocking is the first pass of an animation sequence where key character positions are set at major moments without filling in the movement between them. This blocking pass is reviewed before the animator completes the full motion, allowing directorial feedback at a low-cost stage.
How does blocking affect continuity?
Consistent blocking ensures that character positions, eyelines, and spatial relationships remain correct across different camera setups and shot sizes. Without planned blocking, characters can appear to shift position inexplicably between cuts, creating continuity errors that break the viewer's sense of spatial coherence.
How do I apply blocking principles in AI video generation?
Describe the spatial positions and movements of subjects explicitly in your prompt. Specifying where each element is in the frame, how characters are oriented relative to each other, and what movement is occurring produces more spatially coherent AI-generated multi-subject scenes than general scene descriptions.
What is a blocking rehearsal?
A blocking rehearsal is a pre-production session where the director works through the planned movements of performers and cameras in a scene, typically without lighting or full set dressing. It allows spatial issues to be identified and resolved before the full crew is on set.
Does blocking matter for single-character scenes?
Yes. Single-character blocking defines how the performer moves in relation to the camera and the environment, which directly affects how the scene reads emotionally and how camera setups are built. Even a scene with one person requires blocking decisions about position, movement, and spatial relationship to the frame.
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