Physics
Traveling EM Wave
E = sin(kx − ωt)
A plane electromagnetic wave: the sinusoidal field profile propagates rigidly to the right at phase speed ω/k.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).