ModelInteractorLogic.h

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// ----------------------------------------------------------------------------
// -                        CloudViewer: www.cloudViewer.org                  -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2024 www.cloudViewer.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include <map>
 
#include "visualization/rendering/RendererHandle.h"
#include "visualization/rendering/RotationInteractorLogic.h"
 
namespace cloudViewer {
namespace visualization {
namespace rendering {
 
class CloudViewerScene;
 
class ModelInteractorLogic : public RotationInteractorLogic {
    using Super = RotationInteractorLogic;
 
public:
    ModelInteractorLogic(CloudViewerScene* scene,
                         Camera* camera,
                         double min_far_plane);
    virtual ~ModelInteractorLogic();
 
    void SetBoundingBox(const ccBBox& bounds) override;
 
    void SetModel(GeometryHandle axes,
                  const std::vector<GeometryHandle>& objects);
 
    void Rotate(int dx, int dy) override;
    void RotateZ(int dx, int dy) override;
    void Dolly(float dy, DragType drag_type) override;
    void Pan(int dx, int dy) override;
 
    void StartMouseDrag() override;
    void UpdateMouseDragUI() override;
    void EndMouseDrag() override;
 
private:
    CloudViewerScene* scene_;
    bool is_axes_visible_;
 
    ccBBox bounds_at_mouse_down_;
    std::map<std::string, Camera::Transform> transforms_at_mouse_down_;
 
    void UpdateBoundingBox(const Camera::Transform& t);
};
 
}  // namespace rendering
}  // namespace visualization
}  // namespace cloudViewer