// constructors
public Octree(CubeBounds bounds)
{
this.Bounds = bounds;
this.root = new OctreeNode <T>(bounds, 0);
this.MaxValuesPerNode = 8;
}
// constructors
public OctreeNode(CubeBounds bounds, int index, OctreeNode <T> parent = null)
{
this.Bounds = bounds;
this.Index = index;
this.parent = parent;
}