Home▸Biology▸Bat Echolocation Sonar

Bat Echolocation Sonar — 3D Biosonar Navigation

A bat navigates a 3D cave using only real pulsed-chirp echolocation — time-of-flight distance and Doppler-shifted echo frequency, not a rendered view of the scene.

Biology3DModerate60 FPS📱 Mobile-adapted⇄ 2D version

Details

CategoryBiology

RenderingThree.js · WebGL

DifficultyModerate

Target FPS60

ControlsSliders for chirp frequency, pulse rate, bat flight speed, number of cave obstacles, and echo noise floor, all changing the bat's sonar range and navigation live; click anywhere in the cave to fire an extra chirp toward that point; orbit-drag and scroll to move the camera; play/pause toggle.

echolocationbatsdoppler-effectbiologyhalloween

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A bat flies a 3D cave and hunts using nothing but pulsed ultrasonic chirps: real time-of-flight distance (d = c·Δt/2) and Doppler-shifted echo frequency drive its steering and altitude, not a direct view of the scene.

⚙ Under the hood

A bat navigates a 3D cave and hunts prey using only pulsed ultrasonic chirps, steering by real time-of-flight echo distance and Doppler-shifted echo frequency.

echolocationbatsdoppler-effectbiologyhalloween

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install