Collision Detection of rectangle in cocos2d-x

# Ifndef _ HELLOWORLD_SCENE_H __# define _ HELLOWORLD_SCENE_H _ # include "cocos2d. h "using namespace cocos2d; class HelloWorld: public cocos2d: CCLayer {public: virtual bool init (); static cocos2d: CCScene * scene (); CREATE_FUNC (HelloWorld ); virtual void onEnter (); virtual void onExit (); virtual bool ccTouchBegan (CCTouch * pTouch, CCEvent * pEvent); virtual void ccTouchMoved (CCTouch * pTouch, CCEvent * pEve Nt); virtual void ccTouchEnded (CCTouch * pTouch, CCEvent * pEvent); bool isRectCollision (CCRect rect1, CCRect rect2 );}; # endif/_ HELLOWORLD_SCENE_H _ # include "HelloWorldScene. h "# include" SimpleAudioEngine. h "using namespace CocosDenshion; CCScene * HelloWorld: scene () {CCScene * scene = CCScene: create (); HelloWorld * layer = HelloWorld: create (); scene-> addChild (layer); return scene;} bool HelloWorl D: init () {if (! CCLayer: init () {return false;} CCLayerColor * colorLayer = CCLayerColor: create (ccc4 (0, 0,255,255), 320,480); addChild (colorLayer ); CCLabelTTF * pLabel = CCLabelTTF: create ("~ There is also a collision between meters ~ "," Thonburi ", 24); pLabel-> setColor (ccc3 (255, 0, 0); CCSize size = CCDirector: shareddire()-> getWinSize (); pLabel-> setPosition (ccp (size. width * 0.5, size. height-50); this-> addChild (pLabel, 1,900); CCSprite * sp1 = CCSprite: create ("rect1.png "); sp1-> setPosition (ccp (100,230); addChild (sp1, 0,921); CCSprite * sp2 = CCSprite: create ("rect2.png "); sp2-> setPosition (ccp (240,140); addChild (sp2, 0,922 ); Return true;} bool HelloWorld: isRectCollision (CCRect rect1, CCRect rect2) {float x1 = rect1.origin. x; float y1 = rect1.origin. y; float w1 = rect1.size. width; float h1 = rect1.size. height; float x2 = rect2.origin. x; float y2 = rect2.origin. y; float w2 = rect2.size. width; float h2 = rect2.size. height; if (x1 + w1 * 0.5 return false;} else if (x1-w1 * 0.5> x2 + w2 * 0.5) {return false;} else if (y1 + h1 * 0.5 return False;} else if (y1-h1 * 0.5> y2 + h2 * 0.5) {return false;} return true;} bool HelloWorld: ccTouchBegan (CCTouch * pTouch, CCEvent * pEvent) {CCSprite * sp1 = (CCSprite *) this-> getChildByTag (921); sp1-> setPosition (pTouch-> getLocation (); return true;} void HelloWorld :: ccTouchMoved (CCTouch * pTouch, CCEvent * pEvent) {CCSprite * sp1 = (CCSprite *) this-> getChildByTag (921); sp1-> setPosition (pTouch-> getLocation ()); CC Sprite * sp2 = (CCSprite *) this-> getChildByTag (922); CCLabelTTF * pLabel = (CCLabelTTF *) this-> getChildByTag (900 ); /// use the custom judgment rectangle collision function // if (this-> isRectCollision (// CCRectMake (sp1-> getPositionX (), sp1-> getPositionY (), sp1-> getContentSize (). width, sp1-> getContentSize (). height), // CCRectMake (sp2-> getPositionX (), sp2-> getPositionY (), sp2-> getContentSize (). width, sp2-> getContentSize (). height) {// pLabel-> se TString ("pull collision! "); //} Else {// pLabel-> setString ("~ No collision yet ~ "); //} // Use the intersectsRect function to detect if (sp1-> boundingBox (). intersectsRect (sp2-> boundingBox () {pLabel-> setString ("collision pull! ");} Else {pLabel-> setString ("~ There is also a collision between meters ~ ") ;}} Void HelloWorld: ccTouchEnded (CCTouch * pTouch, CCEvent * pEvent) {} void HelloWorld: onEnter () {CCDirector: shareddire()-> getTouchDispatcher () -> addTargetedDelegate (this, 0, false); CCLayer: onEnter ();} void HelloWorld: onExit () {CCDirector: sharedDirector ()-> getTouchDispatcher () -> removeDelegate (this); CCLayer: onExit ();}