spot_light_component.h

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/*!****************************************************************//*!*
 * \file   spot_light_component.h
 * \brief  Spot light component class implementation module.
 * 
 * \author Sabitov Kirill
 * \date   05 July 2022
 *********************************************************************/
 
#pragma once
 
#include "base.h"
 
namespace scl
{
    struct spot_light_component
    {
    private: 
        float InnerCutoff {};
        float OuterCutoff {};
 
    public:
        float InnerCutoffCos {};
        float OuterCutoffCos {};
        float Epsilon {};
 
        vec3 Color {};
        float Strength { 1 };
 
    public: 
        float GetInnerCutoff() const { return InnerCutoff; }
        float GetOuterCutoff() const { return OuterCutoff; }
 
        void SetInnerCutoff(degrees Angle) { InnerCutoff = Angle; InnerCutoffCos = cos((radians)Angle); Epsilon = InnerCutoffCos - OuterCutoffCos; }
        void SetOuterCutoff(degrees Angle) { OuterCutoff = Angle; OuterCutoffCos = cos((radians)Angle); Epsilon = InnerCutoffCos - OuterCutoffCos; }
 
    public:
        spot_light_component() = default;
        spot_light_component(const spot_light_component &Other) = default;
        spot_light_component(const vec3 &Color, degrees InnerCutoffAngle, degrees OuterCutoffAngle) :
            Color(Color),
            InnerCutoffCos(cos((radians)InnerCutoffAngle)), InnerCutoff(InnerCutoffAngle),
            OuterCutoffCos(cos((radians)OuterCutoffAngle)), OuterCutoff(OuterCutoffAngle),
            Epsilon(InnerCutoffCos - OuterCutoffCos) {}
        ~spot_light_component() = default;
    };
}