VRS - The Virtual Rendering System

version 3.3

primitivequadtreedistancerayintersectorgl.h

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/******************************************************************************
 * VRS - The Virtual Rendering System
 * Copyright (C) 2000-2004 Computer Graphics Systems Group at the 
 * Hasso-Plattner-Institute (HPI), Potsdam, Germany.
 *
 * This  library  is  free  software; you can redistribute it and/or  modify it
 * under the terms of the GNU Lesser General Public  License  as  published  by
 * the  Free  Software  Foundation;  either  version 2.1 of the License, or (at
 * your option) any later version. This library  is  distributed  in  the  hope
 * that  it will be useful, but  WITHOUT ANY WARRANTY; without even the implied
 * warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE.  See  the
 * GNU Lesser General Public License for more details. You should have received
 * a copy of the GNU Lesser+ General Public License along with this library; if
 * not, write to the FreeSoftware Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA, 02111-1307, USA.
 ******************************************************************************/

#ifndef VRS_OPENGL_PRIMITIVEQUADTREEDISTANCERAYINTERSECTORGL_H
#define VRS_OPENGL_PRIMITIVEQUADTREEDISTANCERAYINTERSECTORGL_H

#include <vrs/rayintersector.h>
#include <vector>

namespace VRS {

    class VRS_CORE_API PrimitiveQuadTreeDistanceRayIntersectorGL :
        public RayIntersector
    {
    public:
        VRS_TYPEINFO(PrimitiveQuadTreeDistanceRayIntersectorGL, RayIntersector);

        virtual ID target() const;

        virtual bool intersect(
            Engine* engine,
            const Matrix& mv, const Matrix& ori, const Matrix& pr,
            const Shape* shape,
            const Ray& ray,
            RayTracingTechnique* tracer
        );

    private:
        typedef VertexData<3, float> Vertex3f;
        static void intersectTriangles(
            const std::vector<Vertex3f>& vertices,
            const std::vector<unsigned int>& indices,
            const unsigned int startIndex,
            const unsigned int endIndex,
            const Matrix& mv,
            const Matrix& ori,
            const Matrix& pr,
            const Shape* shape,
            const Ray& ray,
            RayTracingTechnique* tracer
        );

    }; // class PrimitiveQuadTreeDistanceRayIntersectorGL

} // namespace VRS

#endif // VRS_OPENGL_PRIMITIVEQUADTREEDISTANCERAYINTERSECTORGL_H

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