DirectionalLight.h

// Copyright(c) 2019 - 2020, #Momo
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#pragma once

#include "Platform/GraphicAPI.h"
#include "Utilities/ECS/Component.h"
#include "LightBase.h"

namespace MxEngine
{
    class DirectionalLight : public LightBase
    {
        MAKE_COMPONENT(DirectionalLight);
        GResource<Texture> texture;
    public:
        DirectionalLight();
        ~DirectionalLight();

        Vector3 Direction        = MakeVector3(0.0f, 1.0f, 0.0f);
        float ProjectionSize     = 50.0f;

        [[nodiscard]] GResource<Texture> GetDepthTexture() const;
        void AttachDepthTexture(const GResource<Texture>& texture);
        [[nodiscard]] Matrix4x4 GetMatrix(const Vector3& center) const;
        void FollowViewport();
    };
}