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#include "Ray.h"
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#include "Ray.h"
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#include "BBox.h"
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#include "BBox.h"
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using namespace std;
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using namespace std;
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using namespace CGLA;
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using namespace CGLA;
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using namespace BRender;
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#define my_min(x,y) (x<y?x:y)
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#define my_min(x,y) (x<y?x:y)
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#define my_max(x,y) (x>y?x:y)
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#define my_max(x,y) (x>y?x:y)
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namespace TriMeshTrace
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namespace Geometry
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{
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{
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  void BBox::intersect_min_max(Ray &ray, double &t_min, double &t_max) const
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  void BBox::intersect_min_max(Ray &ray, double &t_min, double &t_max) const
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  {
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  {
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    double tx1 = (min_corner[0]-ray.origin[0])/ray.direction[0];
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    double tx1 = (min_corner[0]-ray.origin[0])/ray.direction[0];
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    double ty1 = (min_corner[1]-ray.origin[1])/ray.direction[1];
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    double ty1 = (min_corner[1]-ray.origin[1])/ray.direction[1];