GameEntities.Unit.TickTakeItems C# (CSharp) Method

        void TickTakeItems()
        {
            takeItemsTimer -= TickDelta;
            if( takeItemsTimer <= 0 )
            {
                takeItemsTimer += .25f;

                Vec3 size = MapBounds.GetSize();
                float radius = Math.Max( Math.Max( size.X, size.Y ), size.Z );

                Map.Instance.GetObjects( new Sphere( Position, radius ), delegate( MapObject obj )
                {
                    Item item = obj as Item;
                    if( item == null )
                        return;

                    //if( ( item.Position - Position ).LengthFast() > radius )
                    if( ( item.Position - Position ).LengthSqr() > radius * radius )
                        return;

                    item.Take( this );
                } );
            }
        }