自制贪吃蛇小游戏（java线程GUI实现）

package gameTanChiShe; import com.sun.scenario.effect.ImageData; import javax.swing.*; import javax.swing.border.Border; import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.net.URL; import java.util.ArrayList; import java.util.List; import java.util.Random; import java.util.Timer; public class Main extends JFrame implements Runnable{ private JPanel jpCenter=new JPanel(); private JFrame jf= new JFrame(); private SnackHead snackHead=new SnackHead(); private SnackNode snackNodeChi=new SnackNode(); private List<SnackNode> snackNodeList=new ArrayList<>(); static String ydFangXiang="n";//s,x,z,y-上下左右 private Thread t; public void Main(){ Toolkit tk = Toolkit.getDefaultToolkit(); Dimension d = tk.getScreenSize(); jf=new JFrame(); jf.setLocation((d.width - d.width / 3) / 2, (d.height - d.height / 3) / 2); jf.setSize(600, 400); //设置窗口标题 jf.setTitle("测试贪吃蛇"); ; // jf.setIconImage(tk.getImage("/gameTanChiShe/images/nanchong.png"));//窗口图标哦 // URL url=ImageData.class.getResource("/gameTanChiShe/images/nanchong.png"); // Image img=ImageData.class.getResource("/gameTanChiShe/images/nanchong.png"); jf.setIconImage(tk.getImage("/gameTanChiShe/images/nanchong.png"));//窗口图标哦 jf.setResizable(false);//是否可调窗口尺寸 jf.setLayout(new BorderLayout()); JButton bStart = new JButton("开始"), bEnd = new JButton("退出"), bS = new JButton("上") , bX = new JButton("下"), bZ = new JButton("左"), bY = new JButton("右"); bStart.addActionListener(new StartHandeler()); bEnd.addActionListener(new ExitHandeler()); //设置按钮上下左右事件 bS.addActionListener(new sL()); bX.addActionListener(new xL()); bZ.addActionListener(new zL()); bY.addActionListener(new yL()); bStart.addKeyListener(new SxzyKeyListener()); bEnd.addKeyListener(new SxzyKeyListener()); bS.addKeyListener(new SxzyKeyListener()); // bX.addKeyListener(new SxzyKeyListener()); // bZ.addKeyListener(new SxzyKeyListener()); // bY.addKeyListener(new SxzyKeyListener()); JTextArea jta = new JTextArea("这是贪吃蛇游戏"); jta.setEnabled(false); JPanel jpSouth = new JPanel(); jpSouth.add(bStart); jpSouth.add(bEnd); JPanel jpEast=new JPanel(); jpEast.setLayout(new GridLayout(5,1)); jpEast.setSize(20,400); jpEast.add(bS); jpEast.add(bX); jpEast.add(bZ); jpEast.add(bY); jpEast.add(jta); jpEast.setBackground(Color.MAGENTA); GridLayout glCenter = new GridLayout(20, 20); jpCenter.setLayout(glCenter); JLabel jl[][] = new JLabel[20][20]; Border blackline = BorderFactory.createLineBorder(Color.red); Random ran = new Random(); int xshe = ran.nextInt(19);//蛇头节点 int yshe = ran.nextInt(19); int xsheChi = ran.nextInt(19);//被吃的节点 int ysheChi = ran.nextInt(19); while(xsheChi==xshe){ xsheChi=ran.nextInt(19); } while(ysheChi==yshe){ ysheChi=ran.nextInt(19); } for (int i = 0; i < 20; i++) { for (int j = 0; j < 20; j++) { jl[i][j] = new JLabel(); jl[i][j].setOpaque(true);//设置不透明，默认是透明的 jl[i][j].setBorder(blackline); if(i==xshe&&j==yshe){ jl[xshe][yshe].setBackground(Color.RED); snackHead.setX(i); snackHead.setY(j); } if(i==xsheChi&&j==ysheChi){ jl[xsheChi][ysheChi].setBackground(Color.YELLOW); snackNodeChi.setX(i); snackNodeChi.setY(j); } jpCenter.add(jl[i][j]); } } jf.add(jpCenter, BorderLayout.CENTER); jf.add(jpSouth, BorderLayout.SOUTH); jf.add(jpEast,BorderLayout.EAST); // jf.addKeyListener(new KeyPress()); jf.setVisible(true);//可见 } @Override public void run() { try { while (true){ if(!ydFangXiang.equals("n")){ shauxinShe(ydFangXiang); } Thread.sleep(1000); } } catch (InterruptedException e) { e.printStackTrace(); } } //按钮退出事件 class ExitHandeler implements ActionListener{ @Override public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(null,"按确认按钮后关闭窗口"); System.exit(0); } } public void shauxinShe(String sxzy){ ydFangXiang=sxzy; Random ran = new Random(); int flag=0;//没吃 if(sxzy=="s"){//上 snackHead.setX(snackHead.getX()-1); if(snackHead.getX()==snackNodeChi.getX()&&snackHead.getY()==snackNodeChi.getY()){ flag=1;//吃掉节点 snackNodeList.add(new SnackNode(snackHead.getX()+1,snackHead.getY()));//新增最后一个节点 }else{ if(snackNodeList.size()>=1){ snackNodeList.remove(0);//移除第一个节点 snackNodeList.add(new SnackNode(snackHead.getX()+1,snackHead.getY()));//新增最后一个节点 } } } if(sxzy=="x"){//下 snackHead.setX(snackHead.getX()+1); if(snackHead.getX()==snackNodeChi.getX()&&snackHead.getY()==snackNodeChi.getY()){ flag=1;//吃掉节点 snackNodeList.add(new SnackNode(snackHead.getX()-1,snackHead.getY()));//新增最后一个节点 }else{ if(snackNodeList.size()>=1){ snackNodeList.remove(0);//移除第一个节点 snackNodeList.add(new SnackNode(snackHead.getX()-1,snackHead.getY()));//新增最后一个节点 } } } if(sxzy=="z"){//左 snackHead.setY(snackHead.getY()-1); if(snackHead.getX()==snackNodeChi.getX()&&snackHead.getY()==snackNodeChi.getY()){ flag=1;//吃掉节点 snackNodeList.add(new SnackNode(snackHead.getX(),snackHead.getY()+1));//新增最后一个节点 }else{ if(snackNodeList.size()>=1){ snackNodeList.remove(0);//移除第一个节点 snackNodeList.add(new SnackNode(snackHead.getX(),snackHead.getY()+1));//新增最后一个节点 } } } if(sxzy=="y"){//右 snackHead.setY(snackHead.getY()+1); if(snackHead.getX()==snackNodeChi.getX()&&snackHead.getY()==snackNodeChi.getY()){ flag=1;//吃掉节点 snackNodeList.add(new SnackNode(snackHead.getX(),snackHead.getY()-1));//新增最后一个节点 }else{ if(snackNodeList.size()>=1){ snackNodeList.remove(0);//移除第一个节点 snackNodeList.add(new SnackNode(snackHead.getX(),snackHead.getY()-1));//新增最后一个节点 } } } if(sxzy=="n"){//new新开始 snackNodeList=new ArrayList<>(); snackHead.setX(ran.nextInt(19)); snackHead.setY(ran.nextInt(19)); } if(snackHead.getX()>=20||