CameraSphereInteractorLogic.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "open3d/visualization/rendering/CameraInteractorLogic.h"
 
namespace open3d {
namespace visualization {
namespace rendering {
 
class CameraSphereInteractorLogic : public CameraInteractorLogic {
    using Super = CameraInteractorLogic;
 
public:
    CameraSphereInteractorLogic(Camera* c, double min_far_plane);
 
    void Rotate(int dx, int dy) override;
 
    void StartMouseDrag() override;
 
private:
    float r_at_mousedown_;
    float theta_at_mousedown_;
    float phi_at_mousedown_;
};
 
}  // namespace rendering
}  // namespace visualization
}  // namespace open3d