Uploaded April 2022 | Updated September 2026, 3 weeks ago

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This is a mini shader project showing how to simulating the relativistic doppler shift with augmented reality.

Time stamps
0:00 intro
0:15 Composition of Relativistic Doppler Effect
0:55 Color Theory
2:45 Searchlight effect
4:07 Code
6:36 Shader Code
8:07 Future examples

Live example:
graemeniedermayer.github.io/ArExperiments/html/dopplerEffect.html

Code:
github.com/graemeniedermayer/ArExperiments/blob/main/html/dopplerEffect.html

Theory:
en.wikipedia.org/wiki/Relativistic_Doppler_effect