private void ReJoin()
{
HasChildren = false;
NeedsReedge = true;
//relinks all children neighbors to point to this level
//then delete children
ReJoinChild(0, PatchNeighborDirection.Top);
ReJoinChild(0, PatchNeighborDirection.Left);
ReJoinChild(1, PatchNeighborDirection.Top);
ReJoinChild(1, PatchNeighborDirection.Right);
ReJoinChild(2, PatchNeighborDirection.Bottom);
ReJoinChild(2, PatchNeighborDirection.Right);
ReJoinChild(3, PatchNeighborDirection.Bottom);
ReJoinChild(3, PatchNeighborDirection.Left);
for (byte i = 0; i < 4; i++)
{
if (Sphere.CloserNode == Children[i])
{
Sphere.CloserNode = this;
}
Children[i].DestroyTree();
Children[i] = null;
}
if (Parent != null)
{
Parent.ReLink();
}
Sphere.Rejoined = true;
NeedsTerrain = true;
}
