Gotta say, I'm always down to see more ways to mess with terrain - tried a bunch but still feel like I'm barely scratching the surface with these tools tbh
Nice work! My 2D Monster Curve implementation supports efficient quadtree construction, and I’m planning to extend it to higher dimensions: https://tetramatrix.github.io/monstercurves/. Curious—have you thought about using Monster Curves for your octree terrain generator?
https://github.com/TokisanGames/Terrain3D