public EnumerableSolids Intersect(KtRegion region)
{
if (region is KtHollowRegion hollow)
{
return(Intersect(hollow));
}
if (region is KtSolidRegion solid)
{
return(Intersect(solid));
}
return(null);
}
public override bool Inscribes(KtRegion region) => region?.All(Inscribes) == true && holes.All(reg => !reg.Inscribes(region));