Physics2D: Add support for SegmentCollider2D

include/Nazara/Physics2D/Collider2D.hpp

@@ -125,6 +125,33 @@ namespace Nz
 		private:
 			std::vector<cpShape*> CreateShapes(RigidBody2D* body) const override;
 	};
+
+	class SegmentCollider2D;
+
+	using SegmentCollider2DConstRef = ObjectRef<const SegmentCollider2D>;
+	using SegmentCollider2DRef = ObjectRef<SegmentCollider2D>;
+
+	class NAZARA_PHYSICS2D_API SegmentCollider2D : public Collider2D
+	{
+		public:
+			inline SegmentCollider2D(const Vector2f& first, const Vector2f& second, float thickness = 1.f);
+
+			float ComputeInertialMatrix(float mass) const override;
+
+			inline const Vector2f& GetFirstPoint() const;
+			inline float GetLength() const;
+			inline const Vector2f& GetSecondPoint() const;
+			ColliderType2D GetType() const override;
+
+			template<typename... Args> static SegmentCollider2DRef New(Args&&... args);
+
+		private:
+			std::vector<cpShape*> CreateShapes(RigidBody2D* body) const override;
+
+			Vector2f m_first;
+			Vector2f m_second;
+			float m_thickness;
+	};
 }
 
 #include <Nazara/Physics2D/Collider2D.inl>

include/Nazara/Physics2D/Collider2D.inl

@@ -49,6 +49,36 @@ namespace Nz
 		return object.release();
 	}
 
+	SegmentCollider2D::SegmentCollider2D(const Vector2f& first, const Vector2f& second, float thickness) :
+	m_first(first),
+	m_second(second),
+	m_thickness(thickness)
+	{
+	}
+
+	inline const Vector2f& SegmentCollider2D::GetFirstPoint() const
+	{
+		return m_first;
+	}
+
+	inline float SegmentCollider2D::GetLength() const
+	{
+		return m_first.Distance(m_second);
+	}
+
+	inline const Vector2f& SegmentCollider2D::GetSecondPoint() const
+	{
+		return m_second;
+	}
+
+	template<typename... Args>
+	SegmentCollider2DRef SegmentCollider2D::New(Args&&... args)
+	{
+		std::unique_ptr<SegmentCollider2D> object(new SegmentCollider2D(std::forward<Args>(args)...));
+		object->SetPersistent(false);
+
+		return object.release();
+	}
 }
 
 #include <Nazara/Physics2D/DebugOff.hpp>

src/Nazara/Physics2D/Collider2D.cpp

@@ -10,7 +10,7 @@
 namespace Nz
 {
 	Collider2D::~Collider2D() = default;
-	
+
 	/******************************** BoxCollider2D *********************************/
 
 	BoxCollider2D::BoxCollider2D(const Vector2f& size, float radius) :
@@ -84,4 +84,25 @@ namespace Nz
 	{
 		return std::vector<cpShape*>();
 	}
+
+	/******************************** SegmentCollider2D *********************************/
+
+	float SegmentCollider2D::ComputeInertialMatrix(float mass) const
+	{
+		return static_cast<float>(cpMomentForSegment(mass, cpv(m_first.x, m_first.y), cpv(m_second.x, m_second.y), m_thickness));
+	}
+
+	ColliderType2D SegmentCollider2D::GetType() const
+	{
+		return ColliderType2D_Segment;
+	}
+
+	std::vector<cpShape*> SegmentCollider2D::CreateShapes(RigidBody2D* body) const
+	{
+		std::vector<cpShape*> shapes;
+		shapes.push_back(cpSegmentShapeNew(body->GetHandle(), cpv(m_first.x, m_first.y), cpv(m_second.x, m_second.y), m_thickness));
+
+		return shapes;
+	}
+
 }