public BinnedSAHBVHController()
{
this.boundsPool = AABB3.CreateAABBPool();
this.indices = new List <int>();
this.sah = new BinnedSAH(boundsPool);
this.objectBounds = new List <AABB3>();
}
public static BVH <Value> Build(IList <AABB3> bounds, IList <int> indices, int offset, int length,
BinnedSAH sah, IMemoryPool <BVH <Value> > alloc)
{
if (length <= 0)
{
return(null);
}
int countFromLeft;
if (length <= 2 || !sah.Build(bounds, indices, offset, length, out countFromLeft))
{
return(alloc.New().Reset(offset, length));
}
var l = Build(bounds, indices, offset, countFromLeft, sah, alloc);
var r = Build(bounds, indices, offset + countFromLeft, length - countFromLeft, sah, alloc);
if (l != null ^ r != null)
{
return((l != null) ? l : r);
}
return(alloc.New().Reset(offset, length).SetChildren(l, r));
}