Added Box2D

external/Box2D-2.3.1/Contributions/Platforms/Box2D.Net/Joint.cpp

@@ -0,0 +1,106 @@
+#pragma once
+
+#include "stdafx.h"
+#include "Body.cpp"
+#include "JointDef.cpp"
+
+namespace Box2D
+{
+	namespace Net
+	{
+		public ref class Joint
+		{
+		internal:
+			b2Joint *joint;
+			Joint(b2Joint *jointRef) : joint(jointRef) { }
+		public:
+
+			property JointType JointType
+			{
+				Box2D::Net::JointType get()
+				{
+					return (Box2D::Net::JointType) joint->GetType();
+				}
+			}
+
+			property Body^ Body1
+			{
+				Body^ get()
+				{
+					return gcnew Body(joint->GetBody1());
+				}
+			}
+
+			property Body^ Body2
+			{
+				Body^ get()
+				{
+					return gcnew Body(joint->GetBody2());
+				}
+			}
+
+			property Vector^ Anchor1
+			{
+				Vector^ get()
+				{
+					return gcnew Vector(joint->GetAnchor1());
+				}
+			}
+
+			property Vector^ Anchor2
+			{
+				Vector^ get()
+				{
+					return gcnew Vector(joint->GetAnchor2());
+				}
+			}
+
+			Vector^ GetReactionForce()
+			{
+				return gcnew Vector(joint->GetReactionForce());
+			}
+
+			float32 GetReactionTorque()
+			{
+				return joint->GetReactionTorque();
+			}
+
+			Joint^ GetNext()
+			{
+				return gcnew Joint(joint->GetNext());
+			}
+
+			//TODO:
+			/*
+			void* GetUserData();
+			*/
+		};
+
+		public ref class MouseJoint : public Joint
+		{
+		internal:
+			b2MouseJoint *mouseJoint;
+			MouseJoint(b2MouseJoint *joint) : Joint(joint), mouseJoint(joint) { }
+		public:
+			MouseJoint(Joint^ joint) : Joint(joint->joint), mouseJoint(0)
+			{
+				if(joint->JointType == Box2D::Net::JointType::e_mouseJoint &&
+					reinterpret_cast<b2MouseJoint *>(joint->joint))
+				{
+					mouseJoint = reinterpret_cast<b2MouseJoint *>(joint->joint);
+				}
+				else
+				{
+					throw gcnew System::Exception("Attempting to convert a Joint to a MouseJoint, "
+						"but the joint is not a mouse joint.");
+				}
+			}
+			
+			void SetTarget(Vector^ Target)
+			{
+				mouseJoint->SetTarget(Target->getVec2());
+			}
+
+		};
+	}
+}