High-quality Nil geometry tiling with exact geodesic computation via Newton's method
High-quality rendering of Nil geometry tiling using 200 marching steps and careful distance clamping for precision. Implements Newton’s method for exact Nil distances, geodesic flow with asymptotic expansion up to order t^9, binary search for cell boundary crossing, and optional Earth cubemap textures.
Controls: WASD to rotate, arrow keys to translate.
