I wonder if this is also how Eskil Steenberg's 'Love' worked. [0]
It had a spherical 'block' world as well.
[0]: https://www.quelsolaar.com/love/
I came here to also mention this game, it suffered from a bunch of gameplay issues but the tech was absolutely fascinating.
I came here to also mention this game, it suffered from a bunch of gameplay issues but the tech was absolutely fascinating.