cocos2d-x3.0和2.0之间的区别

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区别1.去CC


区别2.cc***结构体改变

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2.0
ccp(x,y)
ccpAdd(p1,p2)
ccpSub
ccpMult
ccpLength(p)
ccpDot(p1,p2);
ccc3()
ccc4()
ccWHITE
CCPointZero
CCSizeZero
3.0
Point(x,y)
p1+p2;
p1-p2
p1*p2
p.getLength()
p1.dot(p2)
Color3B()
Color4B()
Color3B::WHITE
Point::ZERO
Size:ZERO


区别3.shared***改变(单例机制使用语法)

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CCSize winSize = CCDirector::sharedDirector()->getWinSize();
SpriteFrameCache::sharedSpriteFrameCache()
AnimationCache::sharedAnimationCache()
NotificationCenter::sharedNotificationCenter()
3.0
Size size = Director::getInstance()->getWinSize();
SpriteFrameCache::getInstance()
AnimationCache::getInstance()
NotificationCenter::getInstance()


区别4.POD类别

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CCPoint
CCSize
CCRect
3.0
Vec2
Size
Rect



区别5.点触事件

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auto dispatcher = Director::getInstance()->getEventDispatcher();
auto touchListener = EventListenerTouchOneByOne::create();
touchListener->onTouchBegan = CC_CALLBACK_2(FBMainScene::onTouchBegan, this );
touchListener->onTouchMoved = CC_CALLBACK_2(FBMainScene::onTouchMoved,monospace!important; font-size:1em!important; min-height:inherit!important">);
touchListener->onTouchEnded = CC_CALLBACK_2(FBMainScene::onTouchEnded,monospace!important; font-size:1em!important; min-height:inherit!important">);
dispatcher->addEventListenerWithSceneGraPHPriority(touchListener,monospace!important; font-size:1em!important; min-height:inherit!important">);
bool FBMainScene::onTouchBegan(Touch *touch,Event *pEvent){
CCLOG( "onTouchBegan" );
Point point = ->convertToWorldSpace( ->convertTouchToNodeSpace(touch));
return true ;
}
void FBMainScene::onTouchMoved(Touch *touch,Event *pEvent){
"onTouchMoved" );
}
FBMainScene::onTouchEnded(Touch *touch,Event *pEvent){
"onTouchEnded" );
}
//获得触点的方法也发生了改变:
->convertTouchToNodeSpace(touch));
//dispatcher控制方法
dispatcher->addEventListener…
dispatcher->removeEventListener(listener);
dispatcher->removeAllListeners();



区别6.回调函数

CC_CALLBACK_0 CC_CALLBACK_1 CC_CALLBACK_2 CC_CALLBACK_3回调函数,分别携带不同的参数,方便

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CCMenuItemFont *item = CCMenuItemFont::create( "返回上个场景" ,menu_selector(GameScene::backScene));
3.0
MenuItemFont *item = MenuItemLabel::create( ));
// new callbacks based on C++11
#define CC_CALLBACK_0(__selector__,__target__,) std::bind(&__selector__,##__VA_ARGS__)
#define CC_CALLBACK_1(__selector__,std::placeholders::_1,##__VA_ARGS__)
#define CC_CALLBACK_2(__selector__,std::placeholders::_2,##__VA_ARGS__)
#define CC_CALLBACK_3(__selector__,std::placeholders::_3 ##__VA_ARGS__)

区别7.CallFunc使用(使用"Function"对象)

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CallFunc::create([&](){
Sprite *sprite = Sprite::create( "s" );
this ->addChild(sprite);
});


区别8.使用clone代替copy

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2.0
CCMoveBy *action = (CCMoveBy*) move->copy();
action->autorelease();
3.0
action = move->clone();
不需要autorelease,在clone已经实现。


区别9.Physics Integration 物理引擎

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暂无使用,Box2d 在 3.0 中可以延续使用
的Physics中需要定义 PhysicsWorld,PhysicsBody,PhysicsShape,PhysicsJoint 等,于Box2d相仿,使用前需要定义CC_USE_PHYSICS


区别10.容器

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CCArray
3.0
cocos2d::Vector<t>
cocos2d::Map<k,v>
cocos2d::Value</k,v></t>

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