Do I need to install anything?

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

For Students · Boids Flocking

Boids Flocking for a pandemic wave

Built for students learning it for a class or exam. See the concept move instead of memorizing formulas — and check your homework intuition. Simulate a pandemic wave 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.

or unlock everything with Pro →

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

More with Boids Flocking

Boids Flocking for a traffic jam Boids Flocking for a bird flock Boids Flocking for a forest fire Boids Flocking for a crowd evacuation Boids Flocking for an ant colony Boids Flocking for a rumor spreading Boids Flocking for a market bubble Boids Flocking for a power-grid cascade

Frequently asked questions

Is this good for students?: Yes — this version of "Boids Flocking for a pandemic wave" is framed for students learning it for a class or exam. See the concept move instead of memorizing formulas — and check your homework intuition.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.