////  ShapeInfo.h//  libraries/physics/src////  Created by Andrew Meadows 2014.10.29//  Copyright 2014 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_ShapeInfo_h#define hifi_ShapeInfo_h #include <QVector>#include <QString>#include <QUrl>#include <glm/glm.hpp>#include <glm/gtx/norm.hpp> const float MIN_SHAPE_OFFSET = 0.001f; // offsets less than 1mm will be ignored // Bullet has a mesh generation util for convex shapes that we used to// trim convex hulls with many points down to only 42 points.const int MAX_HULL_POINTS = 42;  const int32_t END_OF_MESH_PART = -1; // bogus vertex index at end of mesh partconst int32_t END_OF_MESH = -2; // bogus vertex index at end of mesh enum ShapeType : uint8_t {    SHAPE_TYPE_NONE,    SHAPE_TYPE_BOX,    SHAPE_TYPE_SPHERE,    SHAPE_TYPE_CAPSULE_X,    SHAPE_TYPE_CAPSULE_Y,    SHAPE_TYPE_CAPSULE_Z,    SHAPE_TYPE_CYLINDER_X,    SHAPE_TYPE_CYLINDER_Y,    SHAPE_TYPE_CYLINDER_Z,    SHAPE_TYPE_HULL,    SHAPE_TYPE_PLANE,    SHAPE_TYPE_COMPOUND,    SHAPE_TYPE_SIMPLE_HULL,    SHAPE_TYPE_SIMPLE_COMPOUND,    SHAPE_TYPE_STATIC_MESH,    SHAPE_TYPE_ELLIPSOID,    SHAPE_TYPE_CIRCLE,    SHAPE_TYPE_MULTISPHERE}; class ShapeInfo { public:     using PointList = QVector<glm::vec3>;    using PointCollection = QVector<PointList>;    using TriangleIndices = QVector<int32_t>;    using SphereData = glm::vec4;    using SphereCollection = QVector<SphereData>;     static QString getNameForShapeType(ShapeType type);    static ShapeType getShapeTypeForName(QString string);     void clear();     void setParams(ShapeType type, const glm::vec3& halfExtents, QString url="");    void setBox(const glm::vec3& halfExtents);    void setSphere(float radius);    void setPointCollection(const PointCollection& pointCollection);    void setCapsuleY(float radius, float cylinderHalfHeight);    void setMultiSphere(const std::vector<glm::vec3>& centers, const std::vector<float>& radiuses);    void setOffset(const glm::vec3& offset);         ShapeType getType() const { return _type; }     const glm::vec3& getHalfExtents() const { return _halfExtents; }    const glm::vec3& getOffset() const { return _offset; }    uint32_t getNumSubShapes() const;     PointCollection& getPointCollection() { return _pointCollection; }    const PointCollection& getPointCollection() const { return _pointCollection; }    const SphereCollection& getSphereCollection() const { return _sphereCollection; }     TriangleIndices& getTriangleIndices() { return _triangleIndices; }    const TriangleIndices& getTriangleIndices() const { return _triangleIndices; }     int getLargestSubshapePointCount() const;     float computeVolume() const;     uint64_t getHash() const; protected:    void setHalfExtents(const glm::vec3& halfExtents);     QUrl _url; // url for model of convex collision hulls    SphereCollection _sphereCollection;    PointCollection _pointCollection;    TriangleIndices _triangleIndices;    glm::vec3 _halfExtents = glm::vec3(0.0f);    glm::vec3 _offset = glm::vec3(0.0f);    mutable uint64_t _hash64;    ShapeType _type = SHAPE_TYPE_NONE;}; #endif // hifi_ShapeInfo_h