scaled.hpp

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#ifndef EAGINE_SHAPES_SCALED_HPP
#define EAGINE_SHAPES_SCALED_HPP
 
#include "delegated.hpp"
#include <eagine/config/basic.hpp>
#include <array>
#include <memory>
 
namespace eagine {
namespace shapes {
//------------------------------------------------------------------------------
class scaled_gen : public delegated_gen {
 
public:
    scaled_gen(std::shared_ptr<generator> gen, std::array<float, 3> s) noexcept
      : delegated_gen{std::move(gen)}
      , _s{s} {}
 
    void attrib_values(vertex_attrib_variant, span<float>) override;
 
    auto bounding_sphere() -> math::sphere<float, true> override;
 
private:
    std::array<float, 3> _s;
};
//------------------------------------------------------------------------------
static inline auto
scale(std::shared_ptr<generator> gen, std::array<float, 3> s) noexcept {
    return std::make_unique<scaled_gen>(std::move(gen), s);
}
//------------------------------------------------------------------------------
} // namespace shapes
} // namespace eagine
 
#if !EAGINE_LINK_LIBRARY || defined(EAGINE_IMPLEMENTING_LIBRARY)
#include <eagine/shapes/scaled.inl>
#endif
 
#endif // EAGINE_SHAPES_SCALED_HPP