directional_light.h

/*****************************************************************************
 * VCLib                                                                     *
 * Visual Computing Library                                                  *
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 * Copyright(C) 2021-2025                                                    *
 * Visual Computing Lab                                                      *
 * ISTI - Italian National Research Council                                  *
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 * Mozilla Public License Version 2.0                                        *
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#ifndef VCL_RENDER_VIEWER_LIGHTS_DIRECTIONAL_LIGHT_H
#define VCL_RENDER_VIEWER_LIGHTS_DIRECTIONAL_LIGHT_H
 
#include <vclib/space/core/color.h>
#include <vclib/space/core/point.h>
 
namespace vcl {
 
template<typename Scalar>
class DirectionalLight
{
    vcl::Point3<Scalar> mDir   = vcl::Point3<Scalar>(0.0f, 0.0f, 1.0f);
    vcl::Color          mColor = vcl::Color::White;
 
public:
    using PointType = vcl::Point3<Scalar>;
 
    DirectionalLight() = default;
 
    DirectionalLight(
        const PointType&  d,
        const vcl::Color& c = vcl::Color::White) : mDir(d), mColor(c)
    {
    }
 
    PointType& direction() { return mDir; }
 
    const PointType& direction() const { return mDir; }
 
    vcl::Color& color() { return mColor; }
 
    const vcl::Color& color() const { return mColor; }
 
    void reset() { *this = {}; }
};
 
} // namespace vcl
 
#endif // VCL_RENDER_VIEWER_LIGHTS_DIRECTIONAL_LIGHT_H