source: GTP/trunk/Lib/Vis/Preprocessing/src/InternalRayCaster.h @ 1990

#ifndef _InternalRayCaster_H__
#define _InternalRayCaster_H__

#include "RayCaster.h"
#include "Containers.h"
#include <string>
using namespace std;


namespace GtpVisibilityPreprocessor {


class Intersectable;
class VssRay;
class KdTree;
class Ray;
class SimpleRayContainer;
class AxisAlignedBox3;
class Vector3;
struct VssRayContainer;
class Preprocessor;
struct SimpleRay;


/** This class provides an interface for ray casting.
*/
class InternalRayCaster: public RayCaster
{
public:
        /** Default constructor initialising e.g., KD tree
        */
        InternalRayCaster(const Preprocessor &preprocessor, KdTree *kdTree);
        virtual ~InternalRayCaster();

        int Type() const { return INTERNAL_RAYCASTER; }

        virtual int CastRay(
                                                const SimpleRay &simpleRay,
                                                VssRayContainer &vssRays,
                                                const AxisAlignedBox3 &box,
                                                const bool castDoubleRay,
                                                const bool pruneInvalidRays = true,
                                                const bool keepOrigin = false
                                                );

         virtual void CastRays16(SimpleRayContainer &rays, 
                                                         VssRayContainer &vssRays,
                                                         const AxisAlignedBox3 &sbox,
                                                         const bool castDoubleRay,
                                                         const bool pruneInvalidRays = true,
                                                         const bool keepOrigin = false
                                                         );

        virtual int
        CastGlobalRay(
                                  const SimpleRay &simpleRay,
                                  VssRayContainer &vssRays,
                                  const AxisAlignedBox3 &box,
                                  const bool pruneInvalidRays
                                  );

protected:

        KdTree *mKdTree;
};


}

#endif