normal.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
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 * Copyright(C) 2021-2025                                                    *
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#ifndef VCL_CONCEPTS_MESH_COMPONENTS_NORMAL_H
#define VCL_CONCEPTS_MESH_COMPONENTS_NORMAL_H
 
#include "component.h"
 
#include <vclib/concepts/space.h>
 
namespace vcl::comp {
 
template<typename T>
concept HasNormal = requires (T&& obj) {
    typename RemoveRef<T>::NormalType;
    { obj.normal() } -> PointConcept;
};
 
template<typename T>
concept HasOptionalNormal =
    HasNormal<T> && IsOptionalComponent<typename RemoveRef<T>::Normal>;
 
} // namespace vcl::comp
 
#endif // VCL_CONCEPTS_MESH_COMPONENTS_NORMAL_H