IteratorHeap.h

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/* $Id: IteratorHeap.h,v 1.2 2002/11/05 14:31:15 anonymous Exp $ */

#ifndef __ITERATOR_HEAP_H
#define __ITERATOR_HEAP_H

#include <esg/SceneGraphObject.h>
#include <esg/spacesorting/SDS.h>
#include <esg/spacesorting/BVH.h>
#include <esg/iterator/Iterator.h>
#include <esg/iterator/IteratorSDS.h>

namespace esg {

/* Always returns all stored objects */

class OGSCENE_EXPORT IteratorHeap : public IteratorSDS {
protected:
    // Methods for children traverse:
    virtual SceneGraphObject* _first_child() {
        return ((Heap*)_pAggregate)->_list.firstItem();
    }
    
    virtual SceneGraphObject* _next_child() {
        return ((Heap*)_pAggregate)->_list.nextItem();
    }
    
public:
    IteratorHeap (Heap* pAggregate) : IteratorSDS(pAggregate) {}
};

}; // namespace

#endif // __ITERATOR_HEAP_H

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