////  ObjectConstraintSlider.h//  libraries/physics/src////  Created by Seth Alves 2017-4-23//  Copyright 2017 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #ifndef hifi_ObjectConstraintSlider_h#define hifi_ObjectConstraintSlider_h #include "ObjectConstraint.h" // http://bulletphysics.org/Bullet/BulletFull/classbtSliderConstraint.html class ObjectConstraintSlider : public ObjectConstraint {public:    ObjectConstraintSlider(const QUuid& id, EntityItemPointer ownerEntity);    virtual ~ObjectConstraintSlider();     virtual void prepareForPhysicsSimulation() override;     virtual bool updateArguments(QVariantMap arguments) override;    virtual QVariantMap getArguments() override;     virtual QByteArray serialize() const override;    virtual void deserialize(QByteArray serializedArguments) override;     virtual QList<btRigidBody*> getRigidBodies() override;    virtual btTypedConstraint* getConstraint() override; protected:    static const uint16_t constraintVersion;     void updateSlider();     glm::vec3 _pointInA;    glm::vec3 _axisInA;     glm::vec3 _pointInB;    glm::vec3 _axisInB;     float _linearLow { std::numeric_limits<float>::max() };    float _linearHigh { std::numeric_limits<float>::min() };     float _angularLow { -TWO_PI };    float _angularHigh { TWO_PI };}; #endif // hifi_ObjectConstraintSlider_h