Rename ChipmunkPhysics2D and JoltPhysics3D to Physics[2D|3D]
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Lynix
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include/Nazara/Physics2D/Collider2D.hpp
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include/Nazara/Physics2D/Collider2D.hpp
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// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Physics2D module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_PHYSICS2D_COLLIDER2D_HPP
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#define NAZARA_PHYSICS2D_COLLIDER2D_HPP
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#include <NazaraUtils/Prerequisites.hpp>
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#include <Nazara/Core/ObjectLibrary.hpp>
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#include <Nazara/Math/Rect.hpp>
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#include <Nazara/Math/Vector2.hpp>
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#include <Nazara/Physics2D/Config.hpp>
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#include <Nazara/Physics2D/Enums.hpp>
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#include <NazaraUtils/FunctionRef.hpp>
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#include <NazaraUtils/Signal.hpp>
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#include <NazaraUtils/SparsePtr.hpp>
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#include <vector>
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struct cpBody;
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struct cpShape;
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namespace Nz
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{
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class RigidBody2D;
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class NAZARA_PHYSICS2D_API Collider2D
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{
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friend RigidBody2D;
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friend class CompoundCollider2D; //< See CompoundCollider2D::CreateShapes
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public:
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inline Collider2D();
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Collider2D(const Collider2D&) = delete;
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Collider2D(Collider2D&&) = delete;
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virtual ~Collider2D();
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virtual Vector2f ComputeCenterOfMass() const = 0;
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virtual float ComputeMomentOfInertia(float mass) const = 0;
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virtual void ForEachPolygon(const FunctionRef<void(const Vector2f* vertices, std::size_t vertexCount)>& callback) const;
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inline UInt32 GetCategoryMask() const;
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inline UInt32 GetCollisionGroup() const;
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inline unsigned int GetCollisionId() const;
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inline UInt32 GetCollisionMask() const;
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inline float GetElasticity() const;
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inline float GetFriction() const;
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inline Vector2f GetSurfaceVelocity() const;
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virtual ColliderType2D GetType() const = 0;
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inline bool IsTrigger() const;
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inline void SetCategoryMask(UInt32 categoryMask);
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inline void SetCollisionGroup(UInt32 groupId);
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inline void SetCollisionId(unsigned int typeId);
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inline void SetCollisionMask(UInt32 mask);
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inline void SetElasticity(float elasticity);
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inline void SetFriction(float friction);
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inline void SetSurfaceVelocity(const Vector2f& surfaceVelocity);
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inline void SetTrigger(bool trigger);
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Collider2D& operator=(const Collider2D&) = delete;
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Collider2D& operator=(Collider2D&&) = delete;
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// Signals:
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NazaraSignal(OnColliderRelease, const Collider2D* /*collider*/);
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protected:
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virtual std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const = 0;
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UInt32 m_categoryMask;
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UInt32 m_collisionGroup;
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UInt32 m_collisionMask;
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Vector2f m_surfaceVelocity;
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bool m_trigger;
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float m_elasticity;
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float m_friction;
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unsigned int m_collisionId;
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private:
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virtual std::size_t GenerateShapes(cpBody* body, std::vector<cpShape*>* shapes) const;
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};
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class NAZARA_PHYSICS2D_API BoxCollider2D : public Collider2D
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{
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public:
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BoxCollider2D(const Vector2f& size, float radius = 0.f);
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BoxCollider2D(const Rectf& rect, float radius = 0.f);
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Nz::Vector2f ComputeCenterOfMass() const override;
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float ComputeMomentOfInertia(float mass) const override;
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inline float GetRadius() const;
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inline const Rectf& GetRect() const;
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inline Vector2f GetSize() const;
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ColliderType2D GetType() const override;
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private:
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std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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Rectf m_rect;
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float m_radius;
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};
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class NAZARA_PHYSICS2D_API CircleCollider2D : public Collider2D
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{
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public:
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CircleCollider2D(float radius, const Vector2f& offset = Vector2f::Zero());
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Nz::Vector2f ComputeCenterOfMass() const override;
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float ComputeMomentOfInertia(float mass) const override;
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inline const Vector2f& GetOffset() const;
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inline float GetRadius() const;
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ColliderType2D GetType() const override;
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private:
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std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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Vector2f m_offset;
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float m_radius;
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};
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class NAZARA_PHYSICS2D_API CompoundCollider2D : public Collider2D
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{
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public:
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CompoundCollider2D(std::vector<std::shared_ptr<Collider2D>> geoms);
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Nz::Vector2f ComputeCenterOfMass() const override;
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float ComputeMomentOfInertia(float mass) const override;
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inline bool DoesOverrideCollisionProperties() const;
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inline const std::vector<std::shared_ptr<Collider2D>>& GetGeoms() const;
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ColliderType2D GetType() const override;
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inline void OverridesCollisionProperties(bool shouldOverride);
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private:
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std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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std::size_t GenerateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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std::vector<std::shared_ptr<Collider2D>> m_geoms;
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bool m_doesOverrideCollisionProperties;
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};
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class NAZARA_PHYSICS2D_API ConvexCollider2D : public Collider2D
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{
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public:
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ConvexCollider2D(SparsePtr<const Vector2f> vertices, std::size_t vertexCount, float radius = 0.f);
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Nz::Vector2f ComputeCenterOfMass() const override;
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float ComputeMomentOfInertia(float mass) const override;
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ColliderType2D GetType() const override;
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inline const std::vector<Vector2d>& GetVertices() const;
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private:
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std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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std::vector<Vector2d> m_vertices;
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float m_radius;
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};
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class NAZARA_PHYSICS2D_API NullCollider2D : public Collider2D
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{
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public:
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NullCollider2D() = default;
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Nz::Vector2f ComputeCenterOfMass() const override;
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float ComputeMomentOfInertia(float mass) const override;
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ColliderType2D GetType() const override;
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private:
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std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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};
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class NAZARA_PHYSICS2D_API SegmentCollider2D : public Collider2D
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{
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public:
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inline SegmentCollider2D(const Vector2f& first, const Vector2f& second, float thickness = 1.f);
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inline SegmentCollider2D(const Vector2f& first, const Vector2f& firstNeighbor, const Vector2f& second, const Vector2f& secondNeighbor, float thickness = 1.f);
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Nz::Vector2f ComputeCenterOfMass() const override;
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float ComputeMomentOfInertia(float mass) const override;
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inline const Vector2f& GetFirstPoint() const;
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inline const Vector2f& GetFirstPointNeighbor() const;
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inline float GetLength() const;
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inline const Vector2f& GetSecondPoint() const;
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inline const Vector2f& GetSecondPointNeighbor() const;
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inline float GetThickness() const;
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ColliderType2D GetType() const override;
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private:
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std::size_t CreateShapes(cpBody* body, std::vector<cpShape*>* shapes) const override;
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Vector2f m_first;
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Vector2f m_firstNeighbor;
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Vector2f m_second;
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Vector2f m_secondNeighbor;
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float m_thickness;
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};
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}
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#include <Nazara/Physics2D/Collider2D.inl>
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#endif // NAZARA_PHYSICS2D_COLLIDER2D_HPP
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