🦇 Bat Echolocation Cave Lab - 2D Echo Timing and Doppler Shift

2D companion of the Bat Echolocation Cave Lab: slowed-down sound rings from a bat call, echoes from a moth, measured echo delay against 2d/c, call-interval adaptation and the Doppler shift of the returning echo.

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install