CCProgressTimer用法

bool HelloWorld::init(){

if ( !CCLayerColor::initWithColor(ccc4(255, 255, 2555, 255))){

return false;

}

timer=CCProgressTimer::create(CCSprite::createWithSpriteFrameName("cardBg.png"));

timer->setType(kCCProgressTimerTypeRadial);

timer->setReverseDirection(true);

timer->setPercentage(time);

timer->setReverseProgress(true);

timer->setPosition(ccp(250,250));

addChild(timer);

this->scheduleUpdate();

}

void HelloWorld::update(float delta){

timer->setPercentage(time--);

}