+ // Bounding box extents.
+ osg::BoundingBox _bbox;
+
+ struct SortData
+ {
+ struct SortItem
+ {
+ SortItem(size_t idx_, float depth_) : idx(idx_), depth(depth_) {}
+ SortItem() : idx(0), depth(0.0f) {}
+ size_t idx;
+ float depth;
+ };
+ SortData() : frameSorted(0), skip_limit(1), spriteIdx(0) {}
+ int frameSorted;
+ int skip_limit;
+ // This will be sorted by Z distance
+ typedef std::vector<SortItem> SortItemList;
+ SortItemList* spriteIdx;
+ };
+protected:
+ mutable osg::buffered_object<SortData> _sortData;