private BoundingBoxNode TreeForPath(string[] path, int offset)
{
var quadrants = new BoundingBoxNode[4];
if (offset < path.Length)
{
var subs = Subdivide();
switch (path[offset])
{
case "nw":
quadrants[0] = subs[0].TreeForPath(path, offset + 1);
break;
case "ne":
quadrants[1] = subs[1].TreeForPath(path, offset + 1);
break;
case "sw":
quadrants[2] = subs[2].TreeForPath(path, offset + 1);
break;
case "se":
quadrants[3] = subs[3].TreeForPath(path, offset + 1);
break;
}
}
return(new BoundingBoxNode(this, quadrants[0], quadrants[1], quadrants[2], quadrants[3]));
}
public BoundingBoxNode(BoundingBox bb, BoundingBoxNode nw, BoundingBoxNode ne, BoundingBoxNode sw,
BoundingBoxNode se)
{
this.bb = bb;
this.nw = nw;
this.ne = ne;
this.sw = sw;
this.se = se;
}
public BoundingBoxNode TreeForDepth(int depth)
{
var quadrants = new BoundingBoxNode[4];
if (depth > 0) {
var subs = Subdivide();
quadrants[0] = subs[0].TreeForDepth(depth - 1);
quadrants[1] = subs[1].TreeForDepth(depth - 1);
quadrants[2] = subs[2].TreeForDepth(depth - 1);
quadrants[3] = subs[3].TreeForDepth(depth - 1);
}
return new BoundingBoxNode(this, quadrants[0], quadrants[1], quadrants[2], quadrants[3]);
}
