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Group.h
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Group.h
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#ifndef Group_h
#define Group_h
#include "Object.h"
#include "BoundingBox.h"
#include <vector>
class Group : public Object {
public:
Group(bool);
virtual ~Group();
void addObject(Object* object);
virtual void preprocess(int);
virtual void getBounds(BoundingBox& bbox, const RenderContext&) const;
virtual void intersect(HitRecord& hit, const RenderContext&, const Ray& ray) const;
protected:
std::vector<Object*> objects;
std::vector<Object*> infiniteObjects;
//This holds the recursive bvh for all objects this item holds
std::vector<std::vector<Object*>> groups;
private:
void _populateBVH(int maxTime);
//top down methods
void _topDownBVH(int maxTime);
void _sortObjects(std::vector<Object*>& objs, RenderContext&);
std::vector<Object*> _divideObjects(std::vector<Object*>, RenderContext&, int maxTime);
//bottom up methods
void _bottomUpBVH(int maxTime);
std::vector<Object*> _pairObjects(std::vector<Object*> objectsRemaining, RenderContext&);
private:
Group(const Group&);
Group& operator=(const Group&);
std::vector<BoundingBox> _bounds;
bool _bottomUp;
};
class BoundingBoxSorter {
public:
BoundingBoxSorter(BoundingBox _bb, Object *_o) : bb(_bb), o(_o) {}
bool operator <(const BoundingBoxSorter & other) const
{
return bb < other.bb;
}
BoundingBox bb;
Object *o;
};
#endif