meshoptimizer : Mesh optimization library that makes meshes smaller and faster to render ( https://github.com/zeux/meshoptimizer )
s2geometry : Computational geometry and spatial indexing on the sphere ( https://github.com/google/s2geometry )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a 2xsaiko
For Paludis use this rsync : rsync://gentoo.zugaina.org/2xsaiko-portage
If you have a problem : ycarus(-at-)zugaina.org