For Hobbyists & Makers · Active-Shooter Response
Active-Shooter Response for a volcano
Built for hobbyists & makers exploring it for fun. Play with real physics and math, no license and no setup — just open and tinker. Simulate a volcano live below — adjust the inputs and watch it respond, right in your browser.
Building Evacuation / EgressLive
crowd flow through exits
Controls
Presets
Occupants head for the nearest exit while pushing apart in crowds, so bottlenecks and congestion form at doorways — the effect that drives real egress times. Add or remove exits to see how total clearance time responds. Planning aid only.
Data Inspector
Evacuated0 / 150
Clear time0.0 s
Exits2
Social-force velocity
Reading this result: Around 75 per exit — congestion starts to build at the doors, and adding an exit usually helps more than speeding people up.
Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.
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Frequently asked questions
- Is this good for hobbyists & makers?
- Yes — this version of "Active-Shooter Response for a volcano" is framed for hobbyists & makers exploring it for fun. Play with real physics and math, no license and no setup — just open and tinker.
- Do I need to install anything?
- No. It runs in any modern browser, free, with no account required.