aabb.h

Go to the documentation of this file.

/*
 This file is part of the MinGfx Project.
 
 Copyright (c) 2017,2018 Regents of the University of Minnesota.
 All Rights Reserved.
 
 Original Author(s) of this File:
    David Schroeder, 2010-ish, University of Minnesota
    
 Author(s) of Significant Updates/Modifications to the File:
    Dan Keefe, 2018, University of Minnesota
    ...
 */
 
#ifndef SRC_AABB_H_
#define SRC_AABB_H_
 
#include "point3.h"
#include "vector3.h"
 
namespace mingfx {
 
// forward declaration
class Mesh;
    
class AABB {
public:
    AABB();
    
    AABB(const Point3 &a);
    
    AABB(const Point3 &a, const Point3 &b, const Point3 &c);
    
    AABB(const Vector3 &extents);
 
    AABB(const Point3 &center, const Vector3 &extents);
    
    AABB(const Mesh &mesh);
 
    AABB(const Mesh &mesh, unsigned int tri_id);
    
    virtual ~AABB();
    
    Vector3 Dimensions() const;
    
    float Volume() const;
    
    Point3 min() const;
    
    Point3 max() const;
    
    void set_user_data(int data);
 
    int user_data();
 
private:
    
    Point3 min_, max_;
    
    int user_data_;
    
    friend AABB operator+(const AABB &A, const AABB &B);
};
 
// Returns an AABB that contains both A and B completely (kind of like a union)
AABB operator+(const AABB &A, const AABB &B);
 
    
} // end namespace
 
#endif