BoundingBox.h

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#ifndef WIRECELL_BOUNDINGBOX
#define WIRECELL_BOUNDINGBOX

#include "WireCellUtil/Point.h"


namespace WireCell {

    /** A bounding box parallel to the Cartesian axes.
     */
    class BoundingBox {
        Ray m_bounds;
        bool m_initialized = false;
        
    public:
        
        /// Create a bounding box without an initial point or ray
        BoundingBox(){ m_bounds = Ray();}
        
        /// Create a bounding box bounding an initial point.
        BoundingBox(const Point& initial);

        /// Create a bounding box bounding an initial ray.
        BoundingBox(const Ray& initial);

        /// Create a bounding box from an iterator pair.
        template<typename RayOrPointIterator>
        BoundingBox(const RayOrPointIterator& begin, const RayOrPointIterator& end) {
            for (auto it = begin; it != end; ++it) { (*this)(*it); }
        }

        /// Return true if point is inside bounding box
        bool inside(const Point& point) const;

        /// Return the ray representing the bounds.
        const Ray& bounds() const { return m_bounds; }

        /// Enlarge bounds to hold point.
        void operator()(const Point& p);

        /// Enlarge bounds to hold ray.
        void operator()(const Ray& r);

        template<typename RayOrPointIterator>
        void operator()(const RayOrPointIterator& begin, const RayOrPointIterator& end) {
            for (auto it = begin; it != end; ++it) { (*this)(*it); }
        }

        bool empty() const { return !m_initialized; }
    };

    
}

#endif