cocos2d-x 截取像素
auto ac = Sequence::create(DelayTime::create(3), CallFunc::create([=]() { auto rt = RenderTexture::create(Director::getInstance()->getWinSize().width, Director::getInstance()->getWinSize().height, Texture2D::PixelFormat::RGBA8888); rt->beginWithClear(0.0f, 1.0f, 0.0f, 0.0f); Director::getInstance()->getRunningScene()->visit(); rt->end(); auto ret = rt->saveToFile("r2t.png"); printf("%d\n",ret); }),nullptr); this->runAction(ac);