Do I need to install anything?

No. It runs in any modern browser, free, with no account required.

For Educators · Boids Flocking

Boids Flocking for a coral reef

Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate a coral reef live below — adjust the inputs and watch it respond, right in your browser.

Boids Flocking StudioLive

emergent flocking · 3 simple rules

Controls

Three local rules — alignment, cohesion, separation — produce lifelike flocking with no leader and no global plan.

Presets

Boids

Alignment

Cohesion

Separation

▶ Run in Python

Data Inspector

Boids140

Rulesalign · cohere · separate

Behavioremergent flocking

Governing equation

v_{i} \leftarrow v_{i} + 1.0 (\overset{ˉ}{v} - v_{i}) + 1.0 (\overset{ˉ}{p} - p_{i}) + 1.4 j \sum (p_{i} - p_{j})

Reading this result: Balanced rules: alignment, cohesion, and separation trade off to produce the classic lifelike flock — order with no leader.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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Also for:Students Researchers Engineers Hobbyists & Makers K-12 Students First Responders General version →

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Frequently asked questions

Is this good for educators?: Yes — this version of "Boids Flocking for a coral reef" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.