OrthographicCameraController.h

#pragma once
 
#include "Hana/Renderer/OrthographicCamera.h"
#include "Hana/Core/Timestep.h"
 
#include "Hana/Events/ApplicationEvent.h"
#include "Hana/Events/MouseEvent.h"
 
namespace Hana
{
    class OrthographicCameraController
    {
    public:
        OrthographicCameraController(float aspectRatio, bool rotation = false);
 
        void OnUpdate(Timestep ts);
        void OnEvent(Event& e);
 
        OrthographicCamera& GetCamera() { return m_Camera; }
        const OrthographicCamera& GetCamera() const { return m_Camera; }
 
        float GetZoomLevel() const { return m_ZoomLevel; }
        void SetZoomLevel(float level) { m_ZoomLevel = level; }
    private:
        bool OnMouseScrolled(MouseScrolledEvent& e);
        bool OnWindowResized(WindowResizeEvent& e);
 
        float m_AspectRatio = 1.7f;
        float m_ZoomLevel = 1.0f;
        OrthographicCamera m_Camera;
 
        bool m_Rotation;
 
        glm::vec3 m_CameraPosition = { 0.0f, 0.0f, 0.0f };
        float m_CameraRotation = 0.0f; // In degrees, in the anti-clockwise direction
        float m_CameraTranslationSpeed = 5.0f;
        float m_CameraRotationSpeed = 180.0f;
    };
}