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//碰撞框class ColliderBody : public cocos2d::Ref{public:    ColliderBody(ContourData *contourData);    ~ColliderBody();    inline ContourData *getContourData() { return _contourData; }#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT     void setColliderFilter(ColliderFilter *filter);    ColliderFilter *getColliderFilter();#endif#if ENABLE_PHYSICS_BOX2D_DETECT    virtual void setB2Fixture(b2Fixture *fixture) { _fixture = fixture; }    virtual b2Fixture *getB2Fixture() const { return _fixture; }#elif ENABLE_PHYSICS_CHIPMUNK_DETECT    virtual void setShape(cpShape *shape) { _shape = shape; }    virtual cpShape *getShape() const { return _shape; }#elif ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX    virtual const std::vector
   
     &getCalculatedVertexList() const { return _calculatedVertexList; }#endifprivate:#if ENABLE_PHYSICS_BOX2D_DETECT    b2Fixture *_fixture;    ColliderFilter *_filter;#elif ENABLE_PHYSICS_CHIPMUNK_DETECT    cpShape *_shape;    ColliderFilter *_filter;#elif ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX    std::vector
    
      _calculatedVertexList;//所有顶点#endif    ContourData *_contourData;//轮廓数据    friend class ColliderDetector;};/* *  @brief  ContourSprite used to draw the contour of the display *  @js NA *  @lua NA */class ColliderDetector : public cocos2d::Ref{public:    static ColliderDetector *create();    static ColliderDetector *create(Bone *bone);public:	/**     * @js ctor     */    ColliderDetector();    /**     * @js NA     * @lua NA     */    ~ColliderDetector(void);    virtual bool init();    virtual bool init(Bone *bone);    void addContourData(ContourData *contourData);//手动添加 一个 轮廓顶点信息数据    void addContourDataList(cocos2d::Vector
     
       &contourDataList);//手动添加 一组 轮廓顶点信息数据    void removeContourData(ContourData *contourData);//手动移除 一个 轮廓顶点信息数据    void removeAll();//手动添加 所有 轮廓顶点信息数据    void updateTransform(kmMat4 &t);//旋转更新    void setActive(bool active);//设置激活状态    bool getActive();    const cocos2d::Vector
      
       & getColliderBodyList();//得到所有轮廓框信息#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT     virtual void setColliderFilter(ColliderFilter *filter);    virtual ColliderFilter *getColliderFilter();#endif    virtual void setBone(Bone *bone) { _bone = bone; }    virtual Bone *getBone() const { return _bone; }#if ENABLE_PHYSICS_BOX2D_DETECT    virtual void setBody(b2Body *body);    virtual b2Body *getBody() const;#elif ENABLE_PHYSICS_CHIPMUNK_DETECT    virtual void setBody(cpBody *body);    virtual cpBody *getBody() const;#endif protected:    cocos2d::Vector
       
         _colliderBodyList;//碰撞body    Bone *_bone;//骨骼#if ENABLE_PHYSICS_BOX2D_DETECT    b2Body *_body;    ColliderFilter *_filter;#elif ENABLE_PHYSICS_CHIPMUNK_DETECT    cpBody *_body;    ColliderFilter *_filter;#endifprotected:    bool _active;//是否激活};}#endif /*__CCCOLLIDERDETECTOR_H__*/ class TestColliderDetector : public ArmatureTestLayer{public:    ~TestColliderDetector();        virtual void onEnter() override;    virtual std::string title() const override;    virtual void update(float delta);    virtual void draw(Renderer *renderer, const kmMat4 &transform, bool transformUpdated) override;    void onDraw(const kmMat4 &transform, bool transformUpdated);        void onFrameEvent(cocostudio::Bone *bone, const std::string& evt, int originFrameIndex, int currentFrameIndex);        void initWorld() {};    cocostudio::Armature *armature;    cocostudio::Armature *armature2;        CustomCommand _customCommand; //new render needed this for drawing primitives    cocos2d::Sprite *bullet;}; void TestColliderDetector::update(float delta){    armature2->setVisible(true);////    CCNode中两个个方法方法：//    getContentSize用来获得节点原始大小。返回CGSize类型//    getBoundingBox获得节点当前大小，即如果经过缩放那么就是缩放后的大小。返回CGRect类型。//    有个问题最近才遇到，父精灵进行缩放处理，会对子精灵进行标记（boolean值），在实际绘制过程中会影响子精灵显示大小，但并不改变子精灵的getBoundingBox所获得的值，也就是只有直接setscale才会影响getBoundingBox数值。//    CCSprite中有个方法：//    getTextureRect返回精灵纹理大小，返回CGRect类型，并且是原始纹理大小，无关缩放。在一般情况下和getContentSize作用一样，但如果用TP处理过，还回值是实际纹理大小，留白部分会去除。这个在碰撞检测过程中经常用到。    Rect rect = bullet->getBoundingBox();    // This code is just telling how to get the vertex.    // For a more accurate collider detection, you need to implemente yourself.    const Map
        
         & map = armature2->getBoneDic();//得到骨骼字典 for(const auto& element : map)//遍历字典 { Bone *bone = element.second; ColliderDetector *detector = bone->getColliderDetector(); if (!detector)//如否没有碰撞 跳过 继续遍历 continue; //得到碰撞框列表 const cocos2d::Vector
         
          & bodyList = detector->getColliderBodyList(); for (const auto& object : bodyList) { //得到一个碰撞框 ColliderBody *body = static_cast
          
           (object); //一个碰撞框包含的所有顶点 const std::vector
           
             &vertexList = body->getCalculatedVertexList(); float minx = 0, miny = 0, maxx = 0, maxy = 0; int length = (int)vertexList.size();//顶点个数 for (int i = 0; i
            
             < minx ? vertex.x : minx; miny = vertex.y < miny ? vertex.y : miny; maxx = vertex.x > maxx ? vertex.x : maxx; maxy = vertex.y > maxy ? vertex.y : maxy; } } Rect temp = Rect(minx, miny, maxx - minx, maxy - miny);//组成一个包含所有顶点的矩形 if (temp.intersectsRect(rect)) { //子弹矩形在碰撞区域内 碰撞框不可见 armature2->setVisible(false); } } }}void TestColliderDetector::draw(Renderer *renderer, const kmMat4 &transform, bool transformUpdated){ _customCommand.init(_globalZOrder); _customCommand.func = CC_CALLBACK_0(TestColliderDetector::onDraw, this, transform, transformUpdated); renderer->addCommand(&_customCommand);}void TestColliderDetector::onDraw(const kmMat4 &transform, bool transformUpdated){ kmGLPushMatrix(); kmGLLoadMatrix(&transform); armature2->drawContour(); kmGLPopMatrix();} TestColliderDetector::~TestColliderDetector(){}void TestColliderDetector::onEnter(){ ArmatureTestLayer::onEnter(); scheduleUpdate(); armature = Armature::create("Cowboy"); armature->getAnimation()->play("FireWithoutBullet"); armature->getAnimation()->setSpeedScale(0.2f); armature->setScaleX(-0.2f); armature->setScaleY(0.2f); armature->setPosition(Point(VisibleRect::left().x + 70, VisibleRect::left().y)); /* * Set armature's frame event callback function * To disconnect this event, just setFrameEventCallFunc(nullptr); */ armature->getAnimation()->setFrameEventCallFunc(CC_CALLBACK_0(TestColliderDetector::onFrameEvent, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3, std::placeholders::_4)); addChild(armature); armature2 = Armature::create("Cowboy"); armature2->getAnimation()->play("Walk"); armature2->setScaleX(-0.2f); armature2->setScaleY(0.2f); armature2->setPosition(Point(VisibleRect::right().x - 60, VisibleRect::left().y)); addChild(armature2);#if ENABLE_PHYSICS_BOX2D_DETECT || ENABLE_PHYSICS_CHIPMUNK_DETECT bullet = cocos2d::extension::PhysicsSprite::createWithSpriteFrameName("25.png");#elif ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX bullet = Sprite::createWithSpriteFrameName("25.png");#endif addChild(bullet); initWorld();}std::string TestColliderDetector::title() const{ return "Test Collider Detector";}void TestColliderDetector::onFrameEvent(Bone *bone, const std::string& evt, int originFrameIndex, int currentFrameIndex){ CCLOG("(%s) emit a frame event (%s) at frame index (%d).", bone->getName().c_str(), evt.c_str(), currentFrameIndex); /* * originFrameIndex is the frame index editted in Action Editor * currentFrameIndex is the current index animation played to * frame event may be delay emit, so originFrameIndex may be different from currentFrameIndex. */ Point p = armature->getBone("Layer126")->getDisplayRenderNode()->convertToWorldSpaceAR(Point(0, 0)); bullet->setPosition(Point(p.x + 60, p.y)); bullet->stopAllActions(); bullet->runAction(CCMoveBy::create(1.5f, Point(350, 0)));}
            
           
          
         
        
       
      
     
    
   

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