#ifndef __BEAM_H
#define __BEAM_H

#include <vector>
using namespace std;

class KdNode;
class Intersectable;
#include "AxisAlignedBox3.h"

class Beam {
  
public:			
  enum {STORE_KD_NODES=1, STORE_OBJECTS=2, VALID=4};
  int mFlags;
  
  // list of nodes intersected by the frustum
  vector<KdNode *> mKdNodes;
  // lits of objects intersected by the frustum
  vector<Intersectable *> mObjects;

  // spatial box
  AxisAlignedBox3 mBox;
  // directional box (it is actually a 2D box - only x and y ranges are valid)
  // directional parametrization according to VssRay::GetDirParametrization
  AxisAlignedBox3 mDirBox;

  vector<Plane3> mPlanes;

  bool IsValid() { return mFlags & VALID; }
  bool SetValid() { return mFlags |= VALID; }

  Beam():mFlags(STORE_KD_NODES+STORE_OBJECTS),mKdNodes(0), mObjects(0)
  {
  }
  
  void Construct(const  AxisAlignedBox3 &box,
				 const  AxisAlignedBox3 &dBox);
  
  
  int
  ComputeIntersection(const  AxisAlignedBox3 &box);

  
};


#endif