1.创建批处理精灵
bool _BatchNode::init()
{
CCLayer::init();
//批处理精灵
CCSpriteBatchNode *node = CCSpriteBatchNode::create("CloseNormal.png");
addChild(node); //加入到渲染树中
for (auto i = 0; i < 2000; ++i)
{
CCSprite* sprite = CCSprite::createWithTexture(node->getTexture());
node->addChild(sprite);
sprite->setPosition(ccp(CCRANDOM_0_1() * 640, CCRANDOM_0_1() *