本文實例為大家分享了java swing實現貪吃蛇游戲的具體代碼，供大家參考，具體內容如下

游戲截圖

代碼 Java14寫的哦低版本會報錯

文件列表

package Sys;import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.util.LinkedList;import java.util.Timer;import java.util.TimerTask;public class MainFame extends JFrame implements Runnable { private Snake snake;//蛇 private Snake snake1;//蛇 private JPanel jpanel;//游戲棋盤 private Node[] food;//食物 private int signSnake = 1;//標記蛇 final Object cluck = 2; private boolean moveBoolean = true;// private boolean firstTime = true; public MainFame() {// 初始化框體 initFrame();// 初始化網格 initGamePanel();// 初始化蛇 initSnake();// 初始化食物 initFood(); setVisible(true); try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); }// 初始化定時器// initTimer();// 鍵盤監聽 setKyeListener();// 啟動多線程// Runnable R = this;-----// new Thread(R).start();// new Thread(R).start(); } private void initFood() { food = new Node[3]; for (int i = 0; i < food.length; i++) { food[i] = new Node(); food[i].random(); } } //鍵盤監聽 private void setKyeListener() { addKeyListener(new KeyAdapter() { // 按下鍵盤 @Override public void keyPressed(KeyEvent e) { if(moveBoolean){ switch (e.getKeyCode()) { case KeyEvent.VK_UP -> snake.setDirection(Direction.UP); case KeyEvent.VK_DOWN -> snake.setDirection(Direction.DOWN); case KeyEvent.VK_LEFT -> snake.setDirection(Direction.LEFT); case KeyEvent.VK_RIGHT -> snake.setDirection(Direction.RIGHT); case KeyEvent.VK_W -> snake1.setDirection(Direction.UP); case KeyEvent.VK_S -> snake1.setDirection(Direction.DOWN); case KeyEvent.VK_A -> snake1.setDirection(Direction.LEFT); case KeyEvent.VK_D -> snake1.setDirection(Direction.RIGHT); } } moveBoolean = true; } }); } // 多線程船艦蛇 @Override public void run() { if (signSnake == 1) { signSnake++; Thread.currentThread().setName('->紅色方<-'); initTimer(snake, snake1, Thread.currentThread().getName()); } else if (signSnake == 2) { Thread.currentThread().setName('->綠色方<-'); initTimer(snake1, snake, Thread.currentThread().getName()); } } // 初始化定時器 private void initTimer(Snake snake, Snake snake1, String name) {// 創建定時器對象 //定時器 Timer timer = new Timer();// 初始化定時任務 TimerTask timerTask = new TimerTask() { @Override public void run() { if (snake.getIslive()) { synchronized (cluck) { snake.move(snake1);//1, moveBoolean = true; }// 吃食物,臨界區處理 Node head = snake.getBody().getFirst(); for (Node node : food) { if (head.getX() == node.getX() && head.getY() == node.getY()) { snake.eat(); node.random(); } }// 更新棋盤 jpanel.repaint(); } else { timer.cancel(); System.out.println('蛇線程' + name + '結束?。?！'); System.out.println('蛇線程' + name + '得分：' + snake.scor); } } };// 每100毫秒執行一次定時任務 timer.scheduleAtFixedRate(timerTask, 0, 100); } private void initSnake() { this.snake = new Snake(18); this.snake1 = new Snake(22); } // 初始化網格 private void initGamePanel() { jpanel = new JPanel() { @Override public void paint(Graphics g) { super.paint(g);// 清空棋盤 g.clearRect(0, 0, 600, 600);// 畫線 for (int i = 0; i < 40; i++) { g.drawLine(0, 15 * i, 600, 15 * i); g.drawLine(15 * i, 0, 15 * i, 600); }// 繪制蛇 g.setColor(Color.blue); LinkedList<Node> body = snake.getBody(); for (int i = 1; i <= body.size(); i++) { if(i == body.size()){ g.setColor(Color.RED); } g.fillRect(body.get(body.size() - i).getX() * 15, body.get(body.size() - i).getY() * 15, 15, 15); }// for (Node node : body) {// if(p == 1){// g.setColor(Color.MAGENTA);// p++;// }else{// g.setColor(Color.RED);// }// g.fillRect(node.getX() * 15, node.getY() * 15, 15, 15);// } g.setColor(Color.PINK); LinkedList<Node> body1 = snake1.getBody(); for (int i = 1; i <= body1.size(); i++) { if(i == body1.size()){ g.setColor(Color.GREEN); } g.fillRect(body1.get(body1.size() - i).getX() * 15, body1.get(body1.size() - i).getY() * 15, 15, 15); }// for (Node node : body1) {// if(p == 1){// g.setColor(Color.PINK);// p++;// }else{// g.setColor(Color.GREEN);// }// g.fillRect(node.getX() * 15, node.getY() * 15, 15, 15);// }// 繪制食物 g.setColor(Color.BLACK); for (Node node : food) { g.fillRect(node.getX() * 15, node.getY() * 15, 15, 15); } } };// 添加網格到框體中 add(jpanel); } // 初始化框體 public void initFrame() {// 標題 setTitle('胡柯洋的貪吃蛇');// 大小 setSize(616, 639);// 不可調節大小 setResizable(false);// 設置位置 setLocation(0, 200);// 點x關閉 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public static void start(){ JFrame jFrame = new JFrame(); JButton jButton = new JButton('點擊開始單人游戲'); JButton jButton1 = new JButton('點擊開始雙人游戲'); jButton.addActionListener(e -> { Runnable R = new MainFame(); new Thread(R).start(); }); jButton1.addActionListener(e -> { Runnable R = new MainFame(); new Thread(R).start(); new Thread(R).start(); }); jFrame.setLayout(new FlowLayout(FlowLayout.CENTER, 20, 20)); jFrame.add(jButton1); jFrame.add(jButton); jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jFrame.pack(); jFrame.setVisible(true); jFrame.setLocation(900, 200); } public static void main(String[] args) { start(); System.out.println('主線程結束?。?！'); }}

package Sys;import java.util.LinkedList;public class Snake { //方向 private Direction direction = Direction.LEFT; //蛇身體 private LinkedList<Node> body; //蛇生命 private boolean islive = true; //分數 int scor = 0;// int sign;// Snake snake1; public Snake(int y) { initSnake(y); } // 有移動蛇 public void move(Snake snake1) {//int sign, if (islive) {//&& sign == 1 // 獲取蛇頭 Node head = body.getFirst(); Node newHead; body.removeLast();//去掉蛇尾 switch (direction) { case UP -> { newHead = new Node(head.getX() % 40, (head.getY() - 1 + 40) % 40); body.addFirst(newHead); } case LEFT -> { newHead = new Node((head.getX() - 1 + 40) % 40, head.getY() % 40); body.addFirst(newHead); } case DOWN -> { newHead = new Node(head.getX() % 40, (head.getY() + 1) % 40); body.addFirst(newHead); } case RIGHT -> { newHead = new Node((head.getX() + 1) % 40, head.getY() % 40); body.addFirst(newHead); } } head = body.getFirst(); if (head.getX() < 0 || head.getY() < 0 || head.getX() >= 40 || head.getY() >= 40) { this.islive = false; }// for (int i = 1; i < body.size(); i++) {// Node node = body.get(i);// if (node.getX() == head.getX() && node.getY() == head.getY()) {// this.islive = false;// }// } int t = snake1.getBody().size(); for (int i = 0; i < t; i++) { Node node = snake1.getBody().get(i);//error if (node.getX() == head.getX() && node.getY() == head.getY()) { this.islive = false; break; } } } } // 初始化蛇 private void initSnake(int y) {// 初始化蛇的實例 body = new LinkedList<>();// 添加節點 body.add(new Node(16, y)); body.add(new Node(17, y)); body.add(new Node(18, y));// body.add(new Node(19, 20));// body.add(new Node(20, 20));// body.add(new Node(21, 20));// body.add(new Node(22, 20)); } public LinkedList<Node> getBody() { return body; } public void setDirection(Direction direction) { this.direction = direction; } public Direction getDirection() { return direction; } // 吃食物 public void eat() { scor ++; // 獲取蛇頭 Node head = body.getFirst(); Node newHead; switch (direction) { case UP -> { newHead = new Node(head.getX(), head.getY() - 1); body.addFirst(newHead); } case LEFT -> { newHead = new Node(head.getX() - 1, head.getY()); body.addFirst(newHead); } case DOWN -> { newHead = new Node(head.getX(), head.getY() + 1); body.addFirst(newHead); } case RIGHT -> { newHead = new Node(head.getX() + 1, head.getY()); body.addFirst(newHead); } } } public boolean getIslive() { return islive; }}

package Sys;import java.util.Random;public class Node { private int x; private int y;// public boolean isEat = false; public Node() { } public Node(int x, int y) { this.x = x; this.y = y; } public int getX() { return x; } public void setX(int x) { this.x = x; } public int getY() { return y; } public void setY(int y) { this.y = y; } public void random() { Random r = new Random(); this.x = r.nextInt(34) + 3; this.y = r.nextInt(34) + 3; }}

package Sys;public enum Direction{ UP, DOWN, LEFT, RIGHT;}

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