我正在研究 cocos2dx 3.0,并且正在研究cocos2d::extension::ScrollView,遇到一个奇怪的问题,滚动视图不会返回添加到它的所有节点,只返回一个孩子,那也是一个不同的.. 见我的代码如下
void Characters::setupScroll(){
Size winSize = Director::getInstance()->getWinSize();
if(!scrollView){
scrollView=cocos2d::extension::ScrollView::create(Size(winSize.width*1.0,winSize.height*0.8));
scrollView->setDirection(cocos2d::extension::ScrollView::Direction::HORIZONTAL);
scrollView->setPosition(Vec2(winSize.width*0.0,winSize.height*0.0));
this->addChild(scrollView);
scrollView->setClippingToBounds(true);
scrollView->setBounceable(true);
scrollView->setTouchEnabled(true);
}
float x=0.20;
for(int i=0;i<4;i++){
CharacterCell *cell=CharacterCell::createCell((kPlayer)i, CC_CALLBACK_1(Characters::chooseCharacterCallback, this));
Vec2 pos=Vec2(winSize.width*x,winSize.height*0.3);
cell->setPosition(pos);
x=x+0.35;
scrollView->addChild(cell);
cell->setTag(100+i);
cell->setScale(.9);
}
scrollView->setContentSize(Size(winSize.width*x,0.0));
}
现在在我正在做的每个单元格选择上,请参见下文
void Characters::chooseCharacterCallback(Ref *sender){
CharacterCell *cell=(CharacterCell *)sender;
//HERE I GET 1 AS CHILDREN COUNT
printf("%zd",scrollView->getChildrenCount());
Vector<Node*> cells=scrollView->getChildren();
for(int i=0;i<scrollView->getChildrenCount();i++){
CharacterCell *iCell=(CharacterCell *)cells.at(i);
iCell->setScale(0.9);
}
auto scaleup=ScaleTo::create(.3, 1.15);
auto ease=EaseBackIn::create(scaleup->clone());
cell->runAction(ease);
}
在下面的chooseCharacterCallback
回调函数中给出children count as
1。
printf("%zd",scrollView->getChildrenCount());
而令人惊讶的是,线下删除了所有孩子。
scrollView->removeAllChildren();
这是一种不寻常的行为,可以帮助我摆脱这种情况吗?
谢谢。