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cocos2d-x节点（CCPhysicsWorld.h)API

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//添加移除物理世界关联

///cocos2d-x-3.0alpha0/cocos2dx/physics//添加移除物理世界关联#include "CCPhysicsSetting.h"#ifdef CC_USE_PHYSICS#ifndef __CCPHYSICS_WORLD_H__#define __CCPHYSICS_WORLD_H__#include "cocoa/CCObject.h"#include "cocoa/CCGeometry.h"#if (CC_PHYSICS_ENGINE == CC_PHYSICS_CHIPMUNK)typedef struct cpArbiter cpArbiter;typedef struct cpSpace cpSpace;#endifNS_CC_BEGINclass PhysicsBody;class PhysicsJoint;class PhysicsWorldInfo;class PhysicsShape;class PhysicsContact;class PhysicsContactPreSolve;class PhysicsContactPostSolve;class PhysicsContactListener;class Array;class Sprite;class Scene;class DrawNode;/**  * @brief 一个PhysicsWorld对象模拟碰撞等物理属性. 你不应该直接创建 PhysicsWorld 对象; 相反，你可以从一个 Scene 对象里面得到它. */class PhysicsWorld{public:    /** 添加一个物理世界的关联.*/    void addJoint(PhysicsJoint* joint);    /** 移除一个物理世界的关联.*/    void removeJoint(PhysicsJoint* joint);    /** 移除所有物理世界的关联.*/    void removeAllJoints();        Array* getBodysAlongRay(Point start, Point end) const;    Array* getBodysAtPoint(Point point) const;    Array* getBodysInRect(Rect rect) const;    Array* getAllBody() const;        /** 注册一个侦听器接收联系回调*/    inline void registerContactListener(PhysicsContactListener* delegate) { _listener = delegate; }    /** 注销一个监听器. */    inline void unregisterContactListener() { _listener = nullptr; }        /** get 重力值 */    inline Point getGravity() { return _gravity; }    /** set 重力值 */    void setGravity(Point gravity);        /** 启用测试调试 draw */    inline bool isDebugDraw() { return _debugDraw; }    /** 设置调试 draw */    inline void setDebugDraw(bool debugDraw) { _debugDraw = debugDraw; }    protected:    static PhysicsWorld* create();    bool init();        void setScene(Scene* scene);        virtual void addChild(PhysicsBody* body);    virtual void addShape(PhysicsShape* shape);    virtual void update(float delta);        virtual void debugDraw();    virtual void drawWithShape(DrawNode* node, PhysicsShape* shape);            virtual int collisionBeginCallback(const PhysicsContact& contact);    virtual int collisionPreSolveCallback(const PhysicsContact& contact, const PhysicsContactPreSolve& solve);    virtual void collisionPostSolveCallback(const PhysicsContact& contact, const PhysicsContactPostSolve& solve);    virtual void collisionSeparateCallback(const PhysicsContact& contact);    #if (CC_PHYSICS_ENGINE == CC_PHYSICS_CHIPMUNK)    static int collisionBeginCallbackFunc(cpArbiter *arb, struct cpSpace *space, void *data);    static int collisionPreSolveCallbackFunc(cpArbiter *arb, cpSpace *space, void *data);    static void collisionPostSolveCallbackFunc(cpArbiter *arb, cpSpace *space, void *data);    static void collisionSeparateCallbackFunc(cpArbiter *arb, cpSpace *space, void *data);#endif    protected:    Point _gravity;    float _speed;    PhysicsWorldInfo* _info;    PhysicsContactListener* _listener;            Array* _bodys;    Scene* _scene;        bool _debugDraw;    DrawNode* _drawNode;    protected:    PhysicsWorld();    virtual ~PhysicsWorld();        friend class Sprite;     friend class Scene;    friend class PhysicsBody;};NS_CC_END#endif // __CCPHYSICS_WORLD_H__#endif // CC_USE_PHYSICS