diff --git a/cocos2dx/physics/CCPhysicsBody.cpp b/cocos2dx/physics/CCPhysicsBody.cpp
index eb7296843e..0b2309a1c1 100644
--- a/cocos2dx/physics/CCPhysicsBody.cpp
+++ b/cocos2dx/physics/CCPhysicsBody.cpp
@@ -22,3 +22,99 @@
  THE SOFTWARE.
  ****************************************************************************/
 #include "CCPhysicsBody.h"
+
+#ifdef CC_USE_PHYSICS
+
+NS_CC_BEGIN
+
+
+#if (CC_PHYSICS_ENGINE == CC_PHYSICS_CHIPMUNK)
+
+class PhysicsBodyInfo
+{
+public:
+    PhysicsBodyInfo();
+    ~PhysicsBodyInfo();
+    
+public:
+    cpBody* body;
+    cpShape* shape;
+};
+
+PhysicsBodyInfo::PhysicsBodyInfo()
+: body(nullptr)
+, shape(nullptr)
+{
+}
+
+PhysicsBodyInfo::~PhysicsBodyInfo()
+{
+    if (body) cpBodyFree(body);
+    if (shape) cpShapeFree(shape);
+}
+
+PhysicsBody::PhysicsBody()
+{
+}
+
+PhysicsBody::~PhysicsBody()
+{
+    CC_SAFE_DELETE(_info);
+}
+
+PhysicsBody* PhysicsBody::create()
+{
+    PhysicsBody * body = new PhysicsBody();
+    if(body && body->init())
+    {
+        return body;
+    }
+    
+    CC_SAFE_DELETE(body);
+    return nullptr;
+}
+
+bool PhysicsBody::init()
+{
+    do
+    {
+        _info = new PhysicsBodyInfo();
+        CC_BREAK_IF(_info == nullptr);
+        
+        _info->body = cpBodyNew(1.0, 1.0);
+        CC_BREAK_IF(_info->body == nullptr);
+        
+        return true;
+    } while (false);
+    
+    return false;
+}
+
+PhysicsBody* PhysicsBody::createCircle(Point centre, float radius)
+{
+    PhysicsBody* body = PhysicsBody::create();
+    
+    if (body == nullptr)
+    {
+        return nullptr;
+    }
+    
+    cpBodySetPos(body->_info->body, cpv(centre.x, centre.y));
+    body->_info->shape = cpCircleShapeNew(body->_info->body, radius, cpvzero);
+    
+    if (body->_info->shape == nullptr)
+    {
+        return nullptr;
+    }
+    
+    return body;
+}
+
+#elif (CC_PHYSICS_ENGINE == CC_PHYSICS_BOX2D)
+
+
+#endif
+
+NS_CC_END
+
+#endif // CC_USE_PHYSICS
diff --git a/cocos2dx/physics/CCPhysicsBody.h b/cocos2dx/physics/CCPhysicsBody.h
index 1871565c3d..64df98ec3f 100644
--- a/cocos2dx/physics/CCPhysicsBody.h
+++ b/cocos2dx/physics/CCPhysicsBody.h
@@ -23,7 +23,7 @@
  ****************************************************************************/
 
 #include "CCPhysicsSetting.h"
-#ifdef CC_USE_PHYSICS_ENGINE
+#ifdef CC_USE_PHYSICS
 
 #ifndef __CCPHYSICS_BODY_H__
 #define __CCPHYSICS_BODY_H__
@@ -37,6 +37,7 @@ class Sprite;
 class PhysicsWorld;
 class PhysicsJoint;
 class PhysicsFixture;
+class PhysicsBodyInfo;
 
 class PhysicsBody : public Object, public Clonable
 {
@@ -63,7 +64,7 @@ public:
     void removeFixture(PhysicsFixture* fixture);
     void removeAllFixtures();
     
-    inline PhysicsWorld* getWorld() const { return _physicsWorld; }
+    inline PhysicsWorld* getWorld() const { return _world; }
     inline const std::vector<PhysicsJoint*>* getJoints() const { return &_joints; }
     
     inline Sprite* getOwner() const { return _owner; }
@@ -78,13 +79,14 @@ public:
     virtual Clonable* clone() const override;
     
 protected:
+    static PhysicsBody* create();
     bool init();
     
 protected:
     PhysicsBody();
     virtual ~PhysicsBody();
     
-private:
+protected:
     float  _mass;
     float  _density;
     float  _area;
@@ -100,11 +102,12 @@ private:
     
     std::vector<PhysicsJoint*> _joints;
     Array* _fixtures;
-    PhysicsWorld* _physicsWorld;
+    PhysicsWorld* _world;
+    PhysicsBodyInfo* _info;
 };
 
 NS_CC_END
 
 #endif // __CCPHYSICS_BODY_H__
 
-#endif // CC_USE_PHYSICS_ENGINE
+#endif // CC_USE_PHYSICS
diff --git a/cocos2dx/physics/CCPhysicsContactDelegate.h b/cocos2dx/physics/CCPhysicsContactDelegate.h
index e96e563139..a371b6e044 100644
--- a/cocos2dx/physics/CCPhysicsContactDelegate.h
+++ b/cocos2dx/physics/CCPhysicsContactDelegate.h
@@ -23,7 +23,7 @@
  ****************************************************************************/
 
 #include "CCPhysicsSetting.h"
-#ifdef CC_USE_PHYSICS_ENGINE
+#ifdef CC_USE_PHYSICS
 
 #ifndef __CCPHYSICS_CONTACTDELEGATE_H__
 #define __CCPHYSICS_CONTACTDELEGATE_H__
@@ -49,4 +49,4 @@ public:
 NS_CC_END
 #endif //__CCPHYSICS_CONTACTDELEGATE_H__
 
-#endif // CC_USE_PHYSICS_ENGINE
+#endif // CC_USE_PHYSICS
diff --git a/cocos2dx/physics/CCPhysicsFixture.h b/cocos2dx/physics/CCPhysicsFixture.h
index 210f58472d..e743ab3c44 100644
--- a/cocos2dx/physics/CCPhysicsFixture.h
+++ b/cocos2dx/physics/CCPhysicsFixture.h
@@ -23,7 +23,7 @@
  ****************************************************************************/
 
 #include "CCPhysicsSetting.h"
-#ifdef CC_USE_PHYSICS_ENGINE
+#ifdef CC_USE_PHYSICS
 
 #ifndef __CCPHYSICS_FIXTURE_H__
 #define __CCPHYSICS_FIXTURE_H__
@@ -60,4 +60,4 @@ protected:
 NS_CC_END
 #endif // __CCPHYSICS_FIXTURE_H__
 
-#endif // CC_USE_PHYSICS_ENGINE
+#endif // CC_USE_PHYSICS
diff --git a/cocos2dx/physics/CCPhysicsJoint.h b/cocos2dx/physics/CCPhysicsJoint.h
index 03e0515336..c7e659ab75 100644
--- a/cocos2dx/physics/CCPhysicsJoint.h
+++ b/cocos2dx/physics/CCPhysicsJoint.h
@@ -23,7 +23,7 @@
  ****************************************************************************/
 
 #include "CCPhysicsSetting.h"
-#ifdef CC_USE_PHYSICS_ENGINE
+#ifdef CC_USE_PHYSICS
 
 #ifndef __CCPHYSICS_JOINT_H__
 #define __CCPHYSICS_JOINT_H__
@@ -115,4 +115,4 @@ NS_CC_END
 
 #endif // __CCPHYSICS_JOINT_H__
 
-#endif // CC_USE_PHYSICS_ENGINE
+#endif // CC_USE_PHYSICS
diff --git a/cocos2dx/physics/CCPhysicsSetting.h b/cocos2dx/physics/CCPhysicsSetting.h
index 4edd004e11..b68da7cf93 100644
--- a/cocos2dx/physics/CCPhysicsSetting.h
+++ b/cocos2dx/physics/CCPhysicsSetting.h
@@ -32,7 +32,7 @@
 #define CC_PHYSICS_ENGINE CC_PHYSICS_CHIPMUNK
 
 #if (CC_PHYSICS_ENGINE != CC_PHYSICS_UNKNOWN)
-#define CC_USE_PHYSICS_ENGINE
+#define CC_USE_PHYSICS
 #endif
 
 #if (CC_PHYSICS_ENGINE == CC_PHYSICS_BOX2D)
diff --git a/cocos2dx/physics/CCPhysicsWorld.cpp b/cocos2dx/physics/CCPhysicsWorld.cpp
index 7ca586a2b1..ccfc1ea788 100644
--- a/cocos2dx/physics/CCPhysicsWorld.cpp
+++ b/cocos2dx/physics/CCPhysicsWorld.cpp
@@ -57,6 +57,11 @@ bool PhysicsWorld::init()
     return true;
 }
 
+void PhysicsWorld::addChild(PhysicsBody* body)
+{
+    
+}
+
 #elif (CC_PHYSICS_ENGINE == CC_PHYSICS_BOX2D)
 
 struct PhysicsInfo
@@ -67,19 +72,20 @@ struct PhysicsInfo
 
 PhysicsWorld* PhysicsWorld::create()
 {
-    PhysicsWorld * physicsWorld = new PhysicsWorld();
-    if(physicsWorld && physicsWorld->init())
+    PhysicsWorld * world = new PhysicsWorld();
+    if(world && world->init())
     {
-        return physicsWorld;
+        return world;
     }
     
-    CC_SAFE_DELETE(physicsWorld);
-    return NULL;
+    CC_SAFE_DELETE(world);
+    return nullptr;
 }
 
-PhysicsWorld::PhysicsWorld() :
-_gravity(Point(0, -9.8)),
-_speed(1.0)
+PhysicsWorld::PhysicsWorld()
+: _gravity(Point(0, -9.8))
+, _speed(1.0)
+, _worldInfo(nullptr)
 {
     
 }
diff --git a/cocos2dx/physics/CCPhysicsWorld.h b/cocos2dx/physics/CCPhysicsWorld.h
index 2b81983f77..5bf807c159 100644
--- a/cocos2dx/physics/CCPhysicsWorld.h
+++ b/cocos2dx/physics/CCPhysicsWorld.h
@@ -23,7 +23,7 @@
  ****************************************************************************/
 
 #include "CCPhysicsSetting.h"
-#ifdef CC_USE_PHYSICS_ENGINE
+#ifdef CC_USE_PHYSICS
 
 #ifndef __CCPHYSICS_WORLD_H__
 #define __CCPHYSICS_WORLD_H__
@@ -55,6 +55,9 @@ public:
     
     void registerContactDelegate(PhysicsContactDelegate* delegate);
     
+    inline Point getGravity() { return _gravity; }
+    inline void setGravity(Point gravity) { _gravity = gravity; }
+    
 protected:
     static PhysicsWorld* create();
     bool init();
@@ -78,4 +81,4 @@ NS_CC_END
 
 #endif // __CCPHYSICS_WORLD_H__
 
-#endif // CC_USE_PHYSICS_ENGINE
+#endif // CC_USE_PHYSICS