CCSprite * _background = CCSprite::create("level_bg2.jpg");
_background->setPosition(ccp(winSize.width / 2,winSize.height / 2));
addChild(_background,-1);
float t = 5.0f;

//3D晃动特效：特效持续时间，网格的大小，晃动的范围，是否Z轴晃动

CCShaky3D* shaky3d = CCShaky3D::create(t,CCSizeMake(15,10),5,false);
//_background->runAction(shaky3d);


//3D波动特效 特效持续时间，网格的大小，波动的速率，振幅
CCWaves3D* waves3d = CCWaves3D::create(t,40);

//_background->runAction(waves3d);

//_background->setFlipX(true);