axis_swap_shape.hpp

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#ifndef GENERATOR_AXISSWAPSHAPE_HPP
#define GENERATOR_AXISSWAPSHAPE_HPP
 
#include "transform_shape.hpp"
 
namespace generator
{
 
template<typename shape_t>
class axis_swap_shape_t
{
private:
    using impl_t = transform_shape_t<shape_t>;
    impl_t transform_shape_;
 
public:
    axis_swap_shape_t(shape_t shape)
        : transform_shape_{std::move(shape),
                           [](shape_vertex_t& vertex)
                           {
                               std::swap(vertex.position[0u], vertex.position[1u]);
                               std::swap(vertex.tangent[0u], vertex.tangent[1u]);
                           }}
    {
    }
 
    using edges_t = typename impl_t::edges_t;
 
    edges_t edges() const noexcept
    {
        return transform_shape_.edges();
    }
 
    using vertices_t = typename impl_t::vertices_t;
 
    vertices_t vertices() const noexcept
    {
        return transform_shape_.vertices();
    }
};
 
template<typename shape_t>
axis_swap_shape_t<shape_t> axis_swap_shape(shape_t shape)
{
    return axis_swap_shape_t<shape_t>{std::move(shape)};
}
} // namespace generator
 
#endif