QT编写的C++贪吃蛇小游戏

代码说明：

游戏通过按键控制 部分代码： #include "gamewidget.h" #define ROW 13 #define COL 16 #define UP 0 #define DOWN 1 #define LEFT 2 #define RIGHT 3 GameWidget::GameWidget(QWidget *parent) :QWidget(parent) { this->setAutoFillBackground(true);//覆盖 this->resize(480,270); this->setWindowIcon(QIcon("img/icon.jpg")); this->setWindowTitle("贪吃蛇"); QPalette palette; palette.setBrush(QPalette::Background,QBrush((QPixmap)"img/bjt.png")); this->setPalette(palette); //按扭区 leftbtn=new QPushButton(this); leftbtn->setIcon((QIcon)"img/zuo.png"); leftbtn->setIconSize(QSize(40,40)); leftbtn->setGeometry(QRect(340,180,40,40)); leftbtn->setFlat(true); rightbtn=new QPushButton(this); rightbtn->setIcon((QIcon)"img/you.png"); rightbtn->setIconSize(QSize(40,40)); rightbtn->setGeometry(QRect(430,180,40,40)); rightbtn->setFlat(true