1 #ifndef BLOBS_WORLD_BODY_HPP_
2 #define BLOBS_WORLD_BODY_HPP_
5 #include "../graphics/glm.hpp"
27 Body(const Body &) = delete;
28 Body &operator =(const Body &) = delete;
30 Body(Body &&) = delete;
31 Body &operator =(Body &&) = delete;
34 bool HasSimulation() const noexcept { return sim; }
35 const Simulation &GetSimulation() const noexcept { return *sim; }
36 void SetSimulation(Simulation &) noexcept;
38 bool HasParent() const { return parent; }
39 Body &Parent() { return *parent; }
40 const Body &Parent() const { return *parent; }
41 void SetParent(Body &);
44 const std::vector<Body *> &Children() const noexcept { return children; }
46 double Mass() const noexcept { return mass; }
47 void Mass(double m) noexcept { mass = m; }
49 double Radius() const noexcept { return radius; }
50 void Radius(double r) noexcept { radius = r; }
52 Orbit &GetOrbit() noexcept { return orbit; }
53 const Orbit &GetOrbit() const noexcept { return orbit; }
55 const glm::dvec2 &SurfaceTilt() const noexcept { return surface_tilt; }
56 void SurfaceTilt(const glm::dvec2 &t) noexcept { surface_tilt = t; }
58 const glm::dvec2 &AxialTilt() const noexcept { return axis_tilt; }
59 void AxialTilt(const glm::dvec2 &t) noexcept { axis_tilt = t; }
61 double Rotation() const noexcept { return rotation; }
62 void Rotation(double r) noexcept { rotation = r; }
64 double AngularMomentum() const noexcept { return angular; }
65 void AngularMomentum(double m) noexcept { angular = m; }
67 double Inertia() const noexcept;
69 double GravitationalParameter() const noexcept;
70 double OrbitalPeriod() const noexcept;
71 double RotationalPeriod() const noexcept;
73 const glm::dmat4 &LocalTransform() const noexcept { return local; }
74 const glm::dmat4 &InverseTransform() const noexcept { return inverse_local; }
76 const glm::dmat4 &ToParent() const noexcept { return inverse_orbital; }
77 const glm::dmat4 &FromParent() const noexcept { return orbital; }
79 glm::dmat4 ToUniverse() const noexcept;
80 glm::dmat4 FromUniverse() const noexcept;
82 virtual void Draw(app::Assets &, graphics::Viewport &) { }
84 void Cache() noexcept;
87 void AddChild(Body &);
88 void RemoveChild(Body &);
93 std::vector<Body *> children;
97 glm::dvec2 surface_tilt;
103 glm::dmat4 inverse_orbital;
105 glm::dmat4 inverse_local;