Repeat和RepeatForever
Sprite* sprite=Sprite::create("sprite.png");
sprite->setPosition(Point(visibleSize.width/2,visibleSize.height/2));
this->addChild(sprite,1);
JumpBy* jumpBy=JumpBy::create(3.0f,Point(50,1),100,1);
//RepeatForever* repeatforeverAction=RepeatForever::create(jumpBy);
Repeat* repeatAction=Repeat::create(jumpBy,3);
sprite->runAction(repeatAction);
Sprite* sprite=Sprit