cocos2dx CCControlSlider 滑动条

//滑动条

CCControlSlider * slider = CCControlSlider ::create("sliderBg.png", "sliderProgress.png", "sliderThumb.png");

slider->setPosition(ccp(200, 170));

// 设置滑动条最大值

slider->setMaximumValue(100);

// 设置滑动条最小值

slider->setMinimumValue(0);

addChild(slider,0,921);

// 设置监听 ， 但滑动条的值发生变化后 ， 会相应 valueChanged 函数

//CCControlEventValueChanged值改变

slider->addTargetWithActionForControlEvents(this, cccontrol_selector(HelloWorld::valueChanged), CCControlEventValueChanged);

// 用于展示当前滑动条的滑动值

CCLabelTTF * label = CCLabelTTF ::create();

label->setColor(ccc3(255, 0, 0));

label->setPosition(ccp(200, 200));

label->setString(CCString::createWithFormat("滑动条当前值＝ %0.02f",slider->getValue())->getCString());

addChild(label,0,922);

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void HelloWorld::valueChanged()

{

// 利用tag 来确定

CCControlSlider * slider = (CCControlSlider * )this->getChildByTag(921);

CCLabelTTF * label =(CCLabelTTF * )this->getChildByTag(922);

label->setString(CCString::createWithFormat("滑动条的当前值 ＝ %.02f" ,slider->getValue())->getCString());

}

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原文来自：/article/5844765.html