namespace Msp {
namespace Geometry {
-/**
-Joins component shapes together into one.
-*/
template<typename T, unsigned D>
struct UnionOps
{
- static HyperBox<T, D> combine_aabb(const HyperBox<T, D> &, const HyperBox<T, D> &);
- static bool init_inside() { return false; }
- static bool combine_inside(bool a, bool b) { return a || b; }
- static bool is_inside_decided(bool a) { return a; }
- static bool init_surface() { return true; }
- static bool combine_surface(bool a, bool b) { return a && !b; }
+ static BoundingBox<T, D> combine_aabb(const BoundingBox<T, D> &a, const BoundingBox<T, D> &b) { return a|b; }
+ static bool shortcircuit(bool c) { return c; }
};
+/**
+Joins component shapes together into one.
+*/
template<typename T, unsigned D>
class Union: public CompositeShape<T, D, UnionOps<T, D> >
{
+private:
+ Union() { }
public:
Union(const Shape<T, D> &, const Shape<T, D> &);
- Union(const std::vector<Shape<T, D> *> &);
+
+ template<typename Iter>
+ static Union from_iterator_range(const Iter &, const Iter &);
virtual Union *clone() const;
};
{ }
template<typename T, unsigned D>
-inline Union<T, D>::Union(const std::vector<Shape<T, D> *> &s):
- CompositeShape<T, D, UnionOps<T, D> >(s)
-{ }
-
-template<typename T, unsigned D>
-inline Union<T, D> *Union<T, D>::clone() const
+template<typename Iter>
+inline Union<T, D> Union<T, D>::from_iterator_range(const Iter &begin, const Iter &end)
{
- return new Union<T, D>(this->shapes);
+ Union<T, D> shape;
+ shape.init_from_iter_range(begin, end);
+ return shape;
}
-
template<typename T, unsigned D>
-inline HyperBox<T, D> UnionOps<T, D>::combine_aabb(const HyperBox<T, D> &box1, const HyperBox<T, D> &box2)
+inline Union<T, D> *Union<T, D>::clone() const
{
- LinAl::Vector<T, D> dimensions;
- for(unsigned i=0; i<D; ++i)
- dimensions[i] = std::max(box1.get_dimension(i), box2.get_dimension(i));
- return HyperBox<T, D>(dimensions);
+ return new Union<T, D>(*this);
}
} // namespace Geometry