Implement the missing assignment operator in CompositeShape

[libs/math.git] / source / geometry / compositeshape.h

diff --git a/source/geometry/compositeshape.h b/source/geometry/compositeshape.h
index 9476f99287843b33f52b1cf55fa0dfd6bdc85d94..55467d762993add17cbc4fe74ae7bfda2f776c22 100644 (file)
--- a/source/geometry/compositeshape.h
+++ b/source/geometry/compositeshape.h
@@ -1,6 +1,7 @@
 #ifndef MSP_GEOMETRY_COMPOSITESHAPE_H_
 #define MSP_GEOMETRY_COMPOSITESHAPE_H_
 
+#include <stdexcept>
 #include <vector>
 #include "shape.h"
 
@@ -19,14 +20,16 @@ protected:
 
        ShapeArray shapes;
 
+       CompositeShape() { }
        CompositeShape(const Shape<T, D> &, const Shape<T, D> &);
-       CompositeShape(const ShapeArray &);
+       template<typename Iter>
+       void init_from_iter_range(const Iter &, const Iter &);
        CompositeShape(const CompositeShape &);
        CompositeShape &operator=(const CompositeShape &);
 public:
        virtual ~CompositeShape();
 
-       virtual HyperBox<T, D> get_axis_aligned_bounding_box() const;
+       virtual BoundingBox<T, D> get_axis_aligned_bounding_box() const;
        virtual bool contains(const LinAl::Vector<T, D> &) const;
        virtual unsigned get_max_ray_intersections() const;
        virtual unsigned get_intersections(const Ray<T, D> &, SurfacePoint<T, D> *, unsigned) const;
@@ -41,16 +44,35 @@ inline CompositeShape<T, D, O>::CompositeShape(const Shape<T, D> &s1, const Shap
 }
 
 template<typename T, unsigned D, typename O>
-inline CompositeShape<T, D, O>::CompositeShape(const ShapeArray &s)
+template<typename Iter>
+inline void CompositeShape<T, D, O>::init_from_iter_range(const Iter &begin, const Iter &end)
 {
-       if(s.empty())
-               throw std::invalid_argument("CompositeShape::CompositeShape");
+       if(begin==end)
+               throw std::invalid_argument("CompositeShape::init_from_iter_range");
 
-       shapes.reserve(s.size());
-       for(typename ShapeArray::const_iterator i=s.begin(); i!=s.end(); ++i)
+       for(Iter i=begin; i!=end; ++i)
                shapes.push_back((*i)->clone());
 }
 
+template<typename T, unsigned D, typename O>
+inline CompositeShape<T, D, O>::CompositeShape(const CompositeShape<T, D, O> &other):
+       shapes(other.shapes)
+{
+       for(typename ShapeArray::iterator i=shapes.begin(); i!=shapes.end(); ++i)
+               *i = (*i)->clone();
+}
+
+template<typename T, unsigned D, typename O>
+inline CompositeShape<T, D, O> &CompositeShape<T, D, O>::operator=(const CompositeShape<T, D, O> &other)
+{
+       for(typename ShapeArray::iterator i=shapes.begin(); i!=shapes.end(); ++i)
+               delete *i;
+
+       shapes = other.shapes;
+       for(typename ShapeArray::iterator i=shapes.begin(); i!=shapes.end(); ++i)
+               *i = (*i)->clone();
+}
+
 template<typename T, unsigned D, typename O>
 inline CompositeShape<T, D, O>::~CompositeShape()
 {
@@ -59,9 +81,9 @@ inline CompositeShape<T, D, O>::~CompositeShape()
 }
 
 template<typename T, unsigned D, typename O>
-inline HyperBox<T, D> CompositeShape<T, D, O>::get_axis_aligned_bounding_box() const
+inline BoundingBox<T, D> CompositeShape<T, D, O>::get_axis_aligned_bounding_box() const
 {
-       HyperBox<T, D> aabb;
+       BoundingBox<T, D> aabb;
        for(typename ShapeArray::const_iterator i=shapes.begin(); i!=shapes.end(); ++i)
        {
                if(i==shapes.begin())