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//-----------------------------------------------------------------------------
// BSPLIB HEADER: BoundingBox.h
//
// Copyright (c) 1997-1998 by Markus Hadwiger
// All Rights Reserved.
//-----------------------------------------------------------------------------
#ifndef _BOUNDINGBOX_H_
#define _BOUNDINGBOX_H_
// bsplib header files
#include "BspLibDefs.h"
#include "BspObject.h"
#include "Vertex.h"
BSPLIB_NAMESPACE_BEGIN
// axial bounding box; can be part of singly linked list ----------------------
//
class BoundingBox {
friend class ObjectBSPNode;
public:
BoundingBox() { containedobject = NULL; nextbox = NULL; }
BoundingBox( BspObject *cobj, BoundingBox *next = NULL );
BoundingBox( const Vertex3& minvert, const Vertex3& maxvert, BoundingBox *next = NULL );
~BoundingBox() { delete nextbox; }
void ApplyScaleFactor( double sfac );
void GrowBoundingBox( BoundingBox *otherbox );
void BoundingBoxListUnion( BoundingBox& unionbox );
class ObjectBSPNode* PartitionSpace();
Vertex3 getMinVertex() const { return minvertex; }
Vertex3 getMaxVertex() const { return maxvertex; }
BspObject* getContainedObject() const { return containedobject; }
BoundingBox* getNext() const { return nextbox; }
private:
Vertex3 minvertex;
Vertex3 maxvertex;
BspObject* containedobject;
BoundingBox* nextbox;
};
// construct bounding box by calculating its extents --------------------------
inline BoundingBox::BoundingBox( BspObject *cobj, BoundingBox *next )
{
if ( ( containedobject = cobj ) != NULL ) {
cobj->CalcBoundingBox( minvertex, maxvertex );
}
nextbox = next;
}
// construct bounding box directly --------------------------------------------
inline BoundingBox::BoundingBox( const Vertex3& minvert, const Vertex3& maxvert, BoundingBox *next )
{
minvertex = minvert;
maxvertex = maxvert;
containedobject = NULL;
nextbox = next;
}
BSPLIB_NAMESPACE_END
#endif // _BOUNDINGBOX_H_
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