////  LaserPointer.h//  interface/src/raypick////  Created by Sam Gondelman 7/11/2017//  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_LaserPointer_h#define hifi_LaserPointer_h #include "PathPointer.h" #include <EntityItemProperties.h> class LaserPointer : public PathPointer {    using Parent = PathPointer;public:    class RenderState : public StartEndRenderState {    public:        RenderState() {}        RenderState(const QUuid& startID, const QUuid& pathID, const QUuid& endID);         const QUuid& getPathID() const { return _pathID; }         void setLineWidth(float width) { _lineWidth = width; }        float getLineWidth() const { return _lineWidth; }         void setNumPoints(size_t numPoints) { _numPoints = std::max(numPoints, (size_t)2); }        size_t getNumPoints() const { return _numPoints; }         const bool& doesPathIgnorePicks() const { return _pathIgnorePicks; }         void cleanup() override;        void disable() override;        void update(const glm::vec3& origin, const glm::vec3& end, const glm::vec3& surfaceNormal, float parentScale, bool distanceScaleEnd,                    bool centerEndY, bool faceAvatar, bool followNormal, float followNormalStrength, float distance,                    const PickResultPointer& pickResult) override;     private:        QUuid _pathID;         float _lineWidth { 0.0f };        size_t _numPoints { 0 };        bool _pathIgnorePicks { false };         bool _hasSetLinePoints { false };    };     LaserPointer(const QVariant& rayProps, const RenderStateMap& renderStates, const DefaultRenderStateMap& defaultRenderStates, bool hover, const PointerTriggers& triggers,        bool faceAvatar, bool followNormal, float followNormalStrength, bool centerEndY, bool lockEnd, bool distanceScaleEnd, bool scaleWithParent, bool enabled);     PickQuery::PickType getType() const override;     QVariantMap toVariantMap() const override;     static std::shared_ptr<StartEndRenderState> buildRenderState(const QVariantMap& propMap, const QList<EntityItemProperties> &entityProperties); protected:    PickResultPointer getPickResultCopy(const PickResultPointer& pickResult) const override;     void editRenderStatePath(const std::string& state, const QVariant& pathProps) override;     glm::vec3 getPickOrigin(const PickResultPointer& pickResult) const override;    glm::vec3 getPickEnd(const PickResultPointer& pickResult, float distance) const override;    glm::vec3 getPickedObjectNormal(const PickResultPointer& pickResult) const override;    IntersectionType getPickedObjectType(const PickResultPointer& pickResult) const override;    QUuid getPickedObjectID(const PickResultPointer& pickResult) const override;    void setVisualPickResultInternal(PickResultPointer pickResult, IntersectionType type, const QUuid& id,                                     const glm::vec3& intersection, float distance, const glm::vec3& surfaceNormal) override;     PointerEvent buildPointerEvent(const PickedObject& target, const PickResultPointer& pickResult, const std::string& button = "", bool hover = true) override; private:    static glm::vec3 findIntersection(const PickedObject& pickedObject, const glm::vec3& origin, const glm::vec3& direction);}; #endif // hifi_LaserPointer_h