CameraBase.h

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

#include "Utilities/Math/Math.h"

namespace MxEngine
{
    class CameraBase
    {
    private:
        float aspectRatio = 16.0f / 9.0f;
        float zNear = 0.1f;
        float zFar = 100000.0f;
        float zoom = 1.0f;
        Vector2 projectionCenter{ -0.5f };
        Matrix4x4 view;
        Matrix4x4 projection;
        mutable Matrix4x4 matrix;
        mutable bool updateMatrix = true;
    public:
        MXENGINE_MAKE_MOVEONLY(CameraBase);

        mutable bool UpdateProjection = true;

        const Matrix4x4& GetMatrix() const;
        const Matrix4x4& GetProjectionMatrix() const;
        const Matrix4x4& GetViewMatrix() const;
        const Vector2& GetProjectionCenter() const;
        void SetProjectionCenter(const Vector2& center);
        void SetProjectionMatrix(const Matrix4x4& projection);
        void SetViewMatrix(const Matrix4x4& view);
        float GetZoom() const;
        void SetZoom(float zoom);
        void SetAspectRatio(float w, float h = 1.0f);
        float GetAspectRatio() const;
        float GetZFar() const;
        void SetZFar(float zFar);
        float GetZNear() const;
        void SetZNear(float zNear);
    };
}