AbstractManipulator.h

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/*
 * Copyright (c) 2015-2024, EPFL/Blue Brain Project
 *
 * The Blue Brain BioExplorer is a tool for scientists to extract and analyse
 * scientific data from visualization
 *
 * This file is part of Blue Brain BioExplorer <https://github.com/BlueBrain/BioExplorer>
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <platform/core/common/Types.h>
 
constexpr float DEFAULT_MOUSE_MOTION_SPEED_MULTIPLIER = 0.25f;
 
namespace core
{
class AbstractManipulator
{
public:
    enum class AxisMode
    {
        globalY = 0,
        localY
    };
 
    AbstractManipulator(Camera& camera, KeyboardHandler& keyboardHandler);
    virtual ~AbstractManipulator() = default;
 
    virtual void adjust(const Boxd& boundingBox);
    virtual void dragLeft(const Vector2i& to, const Vector2i& from) = 0;
    virtual void dragRight(const Vector2i& to, const Vector2i& from) = 0;
    virtual void dragMiddle(const Vector2i& to, const Vector2i& from) = 0;
    virtual void wheel(const Vector2i& position, float delta) = 0;
 
    float getMotionSpeed() const;
    void updateMotionSpeed(float speed);
 
    float getRotationSpeed() const;
    float getWheelSpeed() const;
    void rotate(const Vector3d& pivot, double du, double dv, AxisMode axisMode);
 
protected:
    Camera& _camera;
 
    KeyboardHandler& _keyboardHandler;
 
    double _motionSpeed;
 
    double _rotationSpeed;
 
    void translate(const Vector3d& v);
};
} // namespace core