public void UpdateItemBounds(T item)
{
ItemInfo info;
if (_Items.TryGetValue(item, out info))
{
var oldBounds = info.Bounds;
var oldTopLeft = info.TopLeft;
var oldBottomRight = info.BottomRight;
info.Bounds = item.Bounds;
info.TopLeft = _Partition.GetIndexFromPoint(info.Bounds.TopLeft);
info.BottomRight = _Partition.GetIndexFromPoint(info.Bounds.BottomRight);
if ((oldTopLeft.First == info.TopLeft.First) &&
(oldTopLeft.Second == info.TopLeft.Second) &&
(oldBottomRight.First == info.BottomRight.First) &&
(oldBottomRight.Second == info.BottomRight.Second))
{
return;
}
InternalRemove(info, oldTopLeft, oldBottomRight, false);
using (var e = _Partition.GetSectorsFromBounds(info.TopLeft, info.BottomRight, true))
while (e.MoveNext())
{
e.Current.Add(info);
}
}
}
internal GetSectorsFromBoundsEnumerator(SpatialPartition <TSector> sectors, Bounds bounds, bool create)
: this(sectors, sectors.GetIndexFromPoint(bounds.TopLeft), sectors.GetIndexFromPoint(bounds.BottomRight), create)
{
}