Added name fields to Collision Object and Shape.

Added name field to Typed Constraint.
Added accessor for gravity in dynamics world.

src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.cpp

@@ -391,6 +391,11 @@ void	btDiscreteDynamicsWorld::setGravity(const btVector3& gravity)
 	}
 }
 
+btVector3 btDiscreteDynamicsWorld::getGravity () const
+{
+	return m_gravity;
+}
+
 
 void	btDiscreteDynamicsWorld::removeRigidBody(btRigidBody* body)
 {

src/BulletDynamics/Dynamics/btDiscreteDynamicsWorld.h

@@ -118,6 +118,7 @@ public:
 
 
 	virtual void	setGravity(const btVector3& gravity);
+	virtual btVector3 getGravity () const;
 
 	virtual void	addRigidBody(btRigidBody* body);
 

src/BulletDynamics/Dynamics/btDynamicsWorld.h

@@ -61,6 +61,7 @@ class btDynamicsWorld : public btCollisionWorld
 		//once a rigidbody is added to the dynamics world, it will get this gravity assigned
 		//existing rigidbodies in the world get gravity assigned too, during this method
 		virtual void	setGravity(const btVector3& gravity) = 0;
+		virtual btVector3 getGravity () const = 0;
 
 		virtual void	addRigidBody(btRigidBody* body) = 0;
 

src/BulletDynamics/Dynamics/btRigidBody.h

@@ -449,7 +449,6 @@ public:
 		return m_constraintRefs.size();
 	}
 
-
 	int	m_debugBodyId;
 };
 

src/BulletDynamics/Dynamics/btSimpleDynamicsWorld.cpp

@@ -121,6 +121,11 @@ void	btSimpleDynamicsWorld::setGravity(const btVector3& gravity)
 	}
 }
 
+btVector3 btSimpleDynamicsWorld::getGravity () const
+{
+	return m_gravity;
+}
+
 void	btSimpleDynamicsWorld::removeRigidBody(btRigidBody* body)
 {
 	removeCollisionObject(body);

src/BulletDynamics/Dynamics/btSimpleDynamicsWorld.h

@@ -52,6 +52,8 @@ public:
 
 	virtual void	setGravity(const btVector3& gravity);
 
+	virtual btVector3 getGravity () const;
+
 	virtual void	addRigidBody(btRigidBody* body);
 
 	virtual void	removeRigidBody(btRigidBody* body);