类型IrrlichtDevice *device;
scene::ISceneNode* node;
video::IVideoDriver* driver = device->getVideoDriver();
改变结点位置:
node->setPosition(core::vector3df(-1300,-144,-1249));
使鼠标不可见
device->getCursorControl()->setVisible(false);
获得FPS
int fps = driver->getFPS();