"Elevated" does not use a SDF, it is based on a grid mesh displaced with a vertex shader.
Iq, the main author of "Elevated" is indeed best known for popularizing SDFs in the demoscene, but for that particular intro, the SDF raymarching trend had already started and he wanted to do something different.
Iq, the main author of "Elevated" is indeed best known for popularizing SDFs in the demoscene, but for that particular intro, the SDF raymarching trend had already started and he wanted to do something different.
https://iquilezles.org/articles/function2009/function2009.pd...