GitHub - skorotkiewicz/signal-in-the-dark: What is more effective? A 3D simulator of finding someone in the dark – shine the light on yourself or on them? · GitHub
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skorotkiewicz
signal-in-the-dark
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Signal in the Dark
A one-page Three.js experiment comparing two simplified strategies:
Sweep searchlight: the rescuer moves through an expanding search pattern and must illuminate the missing person.
Raise beacon: the rescuer stays put while a mobile missing person tries to recognize and approach an omnidirectional light.
Run
cd signal-in-the-dark<br>python3 -m http.server 8080
Open http://localhost:8080.
The page imports Three.js from a pinned CDN URL, so the first load needs internet access.
Experiment
Use the presets first:
Mobile hiker usually favors the beacon.
Injured makes the stationary beacon ineffective because the missing person cannot approach it.
Dense forest increases line-of-sight occlusion and can produce mixed results.
Run the Monte Carlo comparison after each change. Both strategies receive the same random worlds and starting positions.
Important limitation
This is a conceptual toy model, not validated search-and-rescue guidance. It intentionally isolates a few variables and omits weather, terrain elevation, batteries, sound, radios, group behavior, panic, injuries, and official rescue protocols.
About
What is more effective? A 3D simulator of finding someone in the dark – shine the light on yourself or on them?
a.sekor.eu.org/signal-in-the-dark/
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