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/***************************************************************************
OctTree.h - description
-------------------
begin : Sun Mar 19 2000
copyright : (C) 2000 by Henrik Enqvist
email : henqvist@excite.com
***************************************************************************/
#ifndef OCTTREE_H
#define OCTTREE_H
using namespace std;
#include <vector>
#include "EMath.h"
#include "Node.h"
class Group;
class CollisionBounds;
/** An global octtree used for speeding up collision detection and
* hidden surface test. */
class OctTree {
public:
OctTree(int level, float size, float x=0.0f, float y=0.0f, float z=0.0f);
~OctTree();
private:
friend class CollisionVisitor;
void split(int depth);
bool surround(CollisionBounds * cb);
bool collide(CollisionBounds * cb);
bool insertGroup(Group * g);
void clear();
void printTree(int depth=0);
float m_fSize;
Vertex3D m_vtx;
vector<OctTree*> m_vOctTree;
vector<Group*> m_vGroup;
};
#endif // OCTTREE_H
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