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#ifndef __AABOX__H
#define __AABOX__H

#include <iostream>
#include <vector>
#include "Triangle.h"

const float DIST_THRESH = 5e-4;


class AABox
{
        CGLA::Vec3f pmin, pmax, interior_point;
public:

        AABox() {}

        AABox(const CGLA::Vec3f& _pmin, const CGLA::Vec3f& _pmax,
                                const CGLA::Vec3f& _interior_point):
                pmin(_pmin), pmax(_pmax), interior_point(_interior_point)
                {
                        for(int i=0;i<3;++i)
                                if((pmax[i]-pmin[i]) < DIST_THRESH)
                                        {
                                                pmax[i] += DIST_THRESH/2.0f;
                                                pmin[i] -= DIST_THRESH/2.0f;
                                        }
                        assert(pmin.all_le(interior_point));
                        assert(pmax.all_ge(interior_point));
                }


        const CGLA::Vec3f& get_pmin() const {return pmin;}

        const CGLA::Vec3f& get_pmax() const {return pmax;}

        bool intersect(const CGLA::Vec3f&, const CGLA::Vec3f&) const;

        void gl_draw() const;

        void minmax_sq_dist(const CGLA::Vec3f& p, float& dmin, float& dmax) const;

        static AABox box_triangle(const Triangle&);

        static AABox box_and_split(const std::vector<Triangle>& invec,
                                                                                                                 std::vector<Triangle>& lvec,
                                                                                                                 std::vector<Triangle>& rvec);
                                                                                                                 
};

#endif