dl_camera.h

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#pragma once
 
#include "dl_type.h"
#include "math/dl_matrix.h"
 
namespace dl
{
class Camera
{
    friend class VK;
public:
    Camera() :
        _position{ 1.0f, 1.0f, 1.0f }
    {
        _lookDirection = { -1.0f, -1.0f, -1.0f };
        _upDirection = AXIS_UP;
        Math::Normalize(_lookDirection);
 
        _leftDirection = Math::CrossProduct(AXIS_Z, _lookDirection);
    }
    void RunControllerFPS();
 
    Position3 GetPosition() { return _position; }

    Matrix4 GetMatrixView()
    {
        return Mat::CreateLookTo(_position, _lookDirection, _upDirection);
    }
private:
    Position3 _position;
    Position3 _lookDirection; // x
    Position3 _upDirection;   // z
    Position3 _leftDirection; // y
};
 
}