New implementation of multi-sphere hiding.
New implementation of multi-sphere hiding.

mockingbirdnest/Principia,mockingbirdnest/Principia,pleroy/Principia,pleroy/Principia,pleroy/Principia,eggrobin/Principia,mockingbirdnest/Principia,pleroy/Principia,mockingbirdnest/Principia,eggrobin/Principia,eggrobin/Principia