SceneNavigationCamera.h

#pragma once
 
#include "Camera.h"
#include "ncengine/ecs/EcsFwd.h"
 
namespace nc
{
struct SceneCameraConfig
{
    float truckPedestalFine = 0.8f;
    float truckPedestalCoarse = 3.0f;
    float panTiltFine = 0.006f;
    float panTiltCoarse = 0.018f;
    float dollyFine = 0.0025f;
    float dollyCoarse = 0.025f;
};
 
class SceneNavigationCamera : public Camera
{
    public:
        SceneNavigationCamera(Entity self,
                              const CameraProperties& cameraProperties = {},
                              const SceneCameraConfig& config = {});
 
        void Run(Entity self, ecs::Ecs world, float dt);
 
        void EnableUpdate() noexcept override { m_enabled = true; }
        void DisableUpdate() noexcept override { m_enabled = false; }
 
    private:
        Vector3 m_fineSpeed;
        Vector3 m_coarseSpeed;
        Vector2 m_prevMousePos = Vector2::Zero();
        Vector2 m_pivotReference = Vector2::Zero();
        float m_dollyVelocity = 0.0f;
        bool m_enabled = true;
 
        auto HandlePanInput() -> bool;
        auto HandleZoomInput() -> bool;
        auto HandleLookInput() -> bool;
        auto TruckAndPedestal(float dt, float speedMult) -> Vector3;
        auto PanAndTilt(float dt, float speedMult, const Vector3& tiltAxis) -> Quaternion;
        auto Dolly(float dt, float speedMult) -> Vector3;
};
} // namespace nc