Fixture.h

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#pragma once
 
#include <string>
 
class b2Fixture;
 
namespace eve::physics {
 
class Body;
class World;
 
class Fixture {
public:
    Fixture(World *world, Body *body, b2Fixture *fixture);
    ~Fixture();
 
    Fixture(const Fixture &)            = delete;
    Fixture &operator=(const Fixture &) = delete;
 
    void setSensor(bool sensor);
    bool isSensor() const;
 
    void  setFriction(float friction);
    float getFriction() const;
 
    void  setRestitution(float restitution);
    float getRestitution() const;
 
    void  setDensity(float density);
    float getDensity() const;
 
    void setTag(const std::string &tag) { tag_ = tag; }
    const std::string &getTag() const { return tag_; }
 
    void setCategoryBits(int bits);
    int getCategoryBits() const;
    void setMaskBits(int bits);
    int getMaskBits() const;
    void setGroupIndex(int index);
    int getGroupIndex() const;
 
    int getBodyId() const;
 
    Body *getBody() { return body_; }
 
    bool testPoint(float x, float y) const;
 
    void destroy();
 
    b2Fixture *raw() { return fixture_; }
    const b2Fixture *raw() const { return fixture_; }
 
    void invalidate();
 
private:
    friend class World;
    friend class Body;
 
    World     *world_   = nullptr;
    Body      *body_    = nullptr;
    b2Fixture *fixture_ = nullptr;
    std::string tag_;
};
 
}  // namespace eve::physics