issue #2771: fix some compile error in android and win32

cocos/physics/CCPhysicsJoint.cpp

@@ -103,15 +103,15 @@ void PhysicsJoint::setEnable(bool enable)
     }
 }
 
-//PhysicsJointPin::PhysicsJointPin()
-//{
-//    
-//}
-//
-//PhysicsJointPin::~PhysicsJointPin()
-//{
-//    
-//}
+PhysicsJointPin::PhysicsJointPin()
+{
+    
+}
+
+PhysicsJointPin::~PhysicsJointPin()
+{
+    
+}
 
 PhysicsJointFixed::PhysicsJointFixed()
 {

cocos/physics/CCPhysicsWorld.cpp

@@ -561,6 +561,11 @@ void PhysicsWorld::rectQuery(PhysicsRectQueryCallback& callback, Rect rect, void
     }
 }
 
+Array* getShapesAtPoint(Point point)
+{
+    
+}
+
 Array* PhysicsWorld::getAllBody() const
 {
     return _bodys;

cocos/physics/CCPhysicsWorld.h

@@ -97,6 +97,7 @@ public:
     
     void rayCast(PhysicsRayCastCallback& callback, Point point1, Point point2, void* data);
     void rectQuery(PhysicsRectQueryCallback& callback, Rect rect, void* data);
+    Array* getShapesAtPoint(Point point);
     Array* getAllBody() const;
     
     /** Register a listener to receive contact callbacks*/

cocos/physics/chipmunk/CCPhysicsJointInfo.cpp

@@ -24,8 +24,11 @@
 
 #include "CCPhysicsJointInfo.h"
 #if (CC_PHYSICS_ENGINE == CC_PHYSICS_CHIPMUNK)
+#include <algorithm>
 NS_CC_BEGIN
 
+std::map<cpConstraint*, PhysicsJointInfo*> PhysicsJointInfo::map;
+
 PhysicsJointInfo::PhysicsJointInfo(PhysicsJoint* joint)
 : joint(joint)
 {

samples/Cpp/TestCpp/Classes/PhysicsTest/PhysicsTest.cpp

@@ -673,4 +673,33 @@ void PhysicsDemoRayCast::onTouchesEnded(const std::vector<Touch*>& touches, Even
 std::string PhysicsDemoRayCast::title()
 {
     return "Ray Cast";
+}
+
+
+void PhysicsDemoJoints::onEnter()
+{
+    PhysicsDemo::onEnter();
+    
+    setTouchEnabled(true);
+    
+    _scene->getPhysicsWorld()->setGravity(Point::ZERO);
+    
+    
+}
+
+void PhysicsDemoJoints::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
+{
+    //Add a new body/atlas sprite at the touched location
+    
+    for( auto &touch: touches)
+    {
+        auto location = touch->getLocation();
+        
+        
+    }
+}
+
+std::string PhysicsDemoJoints::title()
+{
+    return "Joints";
 }

samples/Cpp/TestCpp/Classes/PhysicsTest/PhysicsTest.h

@@ -85,7 +85,6 @@ public:
     void onEnter() override;
     std::string title() override;
     void update(float delta) override;
-    
     void onTouchesEnded(const std::vector<Touch*>& touches, Event* event) override;
     
     void changeModeCallback(Object* sender);
@@ -98,4 +97,12 @@ private:
     int _mode;
 };
 
+class PhysicsDemoJoints : public PhysicsDemo
+{
+public:
+    void onEnter() override;
+    std::string title() override;
+    void onTouchesEnded(const std::vector<Touch*>& touches, Event* event) override;
+};
+
 #endif