贪吃蛇
这是游戏效果
图片是代码里面的素材
游戏数据类
package com.tang.retor_snaker;import javax.swing.*;
import java.net.URL;public class Data {private static URL bodyURL = Data.class.getResource("/com/tang/retor_snaker/statics/body.png");private static ImageIcon body = new ImageIcon(bodyURL);private static ImageIcon food = new ImageIcon(Data.class.getResource("/com/tang/retor_snaker/statics/food.png"));private static ImageIcon up = new ImageIcon(Data.class.getResource("/com/tang/retor_snaker/statics/up.png"));private static ImageIcon down = new ImageIcon(Data.class.getResource("/com/tang/retor_snaker/statics/down.png"));private static ImageIcon left = new ImageIcon(Data.class.getResource("/com/tang/retor_snaker/statics/left.png"));private static ImageIcon right = new ImageIcon(Data.class.getResource("/com/tang/retor_snaker/statics/right.png"));public static ImageIcon getBody() {return body;}public static void setBody(ImageIcon body) {Data.body = body;}public static ImageIcon getUp() {return up;}public static void setUp(ImageIcon up) {Data.up = up;}public static ImageIcon getDown() {return down;}public static void setDown(ImageIcon down) {Data.down = down;}public static ImageIcon getLeft() {return left;}public static void setLeft(ImageIcon left) {Data.left = left;}public static ImageIcon getRight() {return right;}public static void setRight(ImageIcon right) {Data.right = right;}public static ImageIcon getFood() {return food;}public static void setFood(ImageIcon food) {Data.food = food;}
}
游戏面板类
package com.tang.retor_snaker;import javax.swing.*;
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.util.Arrays;
import java.util.Random;public class GamePanel extends JPanel implements KeyListener, ActionListener {// 设置蛇头的方向String snakeHead;// 蛇的长度int length;int[] snakeX;int[] snakeY;// 游戏状态:开始=true - 停止=falseboolean isStart = false;// 定时器:第一个参数就是定时执行时间Timer timer = new Timer(170, this);// 食物int foodX;int foodY;// 让食物出现的位置随机Random random = new Random();// 游戏是否结束:结束为=true - 游戏中=falseboolean isFail = false;// 游戏是否胜利:胜利为true - 没胜利为falseboolean isVictory = false;// 游戏分数int score;public GamePanel() {// 初始化面板init();// 设置焦点事件this.setFocusable(true);// 给面板添加键盘监听事件this.addKeyListener(this);timer.start();}public void init() {// 初始化蛇头向右snakeHead = "right";// 初始化蛇有三节,包括小脑袋length = 3;snakeX = new int[1000];snakeY = new int[1000];snakeX[0] = 75;snakeY[0] = 75;snakeX[1] = 50;snakeY[1] = 75;snakeX[2] = 25;snakeY[2] = 75;// 初始化实物数据foodX = 75 + 25 * random.nextInt(21);foodY = 75 + 25 * random.nextInt(19);// 让生成的食物不会和蛇重合for (int i = 0; i < length; i++) {if (foodX == snakeX[i] && foodY == snakeY[i]) {foodX = 75 + 25 * random.nextInt(21);foodY = 100 + 25 * random.nextInt(19);i = 0;}}// 初始化游戏分数score = 0;}// 画组件@Overrideprotected void paintComponent(Graphics g) {super.paintComponent(g);// 设置面板背景色this.setBackground(Color.white);// 绘制游戏区域g.fillRect(25, 50, 600, 575);// 绘制蛇头if (snakeHead.equals("up")) {Data.getUp().paintIcon(this, g, snakeX[0], snakeY[0]);} else if (snakeHead.equals("down")) {Data.getDown().paintIcon(this, g, snakeX[0], snakeY[0]);} else if (snakeHead.equals("left")) {Data.getLeft().paintIcon(this, g, snakeX[0], snakeY[0]);} else if (snakeHead.equals("right")) {Data.getRight().paintIcon(this, g, snakeX[0], snakeY[0]);}// 绘制蛇的身体for (int i = 1; i < length; i++) {Data.getBody().paintIcon(this, g, snakeX[i], snakeY[i]);}// 画食物Data.getFood().paintIcon(this, g, foodX, foodY);// 绘制局内游戏信息g.setColor(Color.black);g.setFont(new Font("宋体", Font.BOLD, 15));g.drawString("长度:" + length, 25, 20);g.drawString("分数:" + score, 25, 40);// 绘制游戏暂停时的 提示信息if (!isStart) {g.setColor(Color.white);g.setFont(new Font("楷体", Font.BOLD, 40));g.drawString("按下空格开始游戏!", 125, 300);}// 绘制游戏失败时的 提示信息if (isFail) {g.setColor(Color.red);g.setFont(new Font("楷体", Font.BOLD, 40));g.drawString("失败,按下空格重新开始", 125, 300);}// 绘制游戏胜利时的 提示信息if (isVictory) {g.setColor(Color.red);g.setFont(new Font("宋体", Font.BOLD, 35));g.drawString("胜利,你是为数不多的天才", 125, 300);g.drawString("按下空格重新开始新一轮游戏", 100, 350);}}// 键盘监听事件,某个键按下执行方法@Overridepublic void keyPressed(KeyEvent e) {/*当用户按下空格时:先判断游戏有没有结束,如果游戏结束那么就重新开始如果游戏没有结束那么就继续原来的游戏*/if (e.getKeyCode() == KeyEvent.VK_SPACE) {if (isFail || isVictory) {isFail = false;isVictory = false;init();} else {isStart = !isStart;}repaint();}// 让用户用键盘的上下左右键来操作蛇头,// 并且让蛇不能直接回头,当蛇在往上走,那么就不能立刻往下走if (e.getKeyCode() == KeyEvent.VK_UP) {snakeHead = snakeHead.equals("down") ? "down" : "up";} else if (e.getKeyCode() == KeyEvent.VK_DOWN) {snakeHead = snakeHead.equals("up") ? "up" : "down";} else if (e.getKeyCode() == KeyEvent.VK_LEFT) {snakeHead = snakeHead.equals("right") ? "right" : "left";} else if (e.getKeyCode() == KeyEvent.VK_RIGHT) {snakeHead = snakeHead.equals("left") ? "left" : "right";}}// 定时执行的操作@Overridepublic void actionPerformed(ActionEvent e) {// 如果游戏处于开始状态,并且没有结束,则小蛇可以移动if (isStart && !isFail && !isVictory) {// 身体移动:右移:即让后一个移到前一个的位置即可!for (int i = length - 1; i > 0; i--) {snakeX[i] = snakeX[i - 1];snakeY[i] = snakeY[i - 1];}// 头部移动,通过方向控制,;if (snakeHead.equals("right")) {snakeX[0] = snakeX[0] + 25;if (snakeX[0] > 600) snakeX[0] = 25;} else if (snakeHead.equals("left")) {snakeX[0] = snakeX[0] - 25;if (snakeX[0] < 25) snakeX[0] = 600;} else if (snakeHead.equals("up")) {snakeY[0] = snakeY[0] - 25;if (snakeY[0] < 50) snakeY[0] = 600;} else if (snakeHead.equals("down")) {snakeY[0] = snakeY[0] + 25;if (snakeY[0] > 600) snakeY[0] = 50;}// 吃食物:当蛇头和食物的坐标一致时,算吃到食物if (snakeX[0] == foodX && snakeY[0] == foodY) {length++;// 每吃一个食物,增加10积分score = score + 10;// 长度等于300,游戏获胜// 当length到达一定的值,蛇移动的速度就变快if (length == 300) {isVictory = true;} else if (length == 25) {timer = new Timer(145, this);} else if (length == 50) {timer = new Timer(125, this);} else if (length == 100) {timer = new Timer(100, this);} else if (length == 200) {timer = new Timer(70, this);}// 重新生成食物foodX = 75 + 25 * random.nextInt(21);foodY = 75 + 25 * random.nextInt(19);// 让生成的食物不会和蛇重合for (int i = 0; i < length; i++) {if (foodX == snakeX[i] && foodY == snakeY[i]) {foodX = 75 + 25 * random.nextInt(21);foodY = 75 + 25 * random.nextInt(19);i = 0;}}}// 结束判断,头和身体的坐标一致时,游戏结束for (int i = 2; i < length; i++) {if (snakeX[0] == snakeX[i] && snakeY[0] == snakeY[i]) {System.out.println(Arrays.toString(snakeX));System.out.println(Arrays.toString(snakeY));isFail = true;}}// 需要不断的更新页面实现动画repaint();}// 让时间动起来!timer.start();}@Overridepublic void keyTyped(KeyEvent e) {}@Overridepublic void keyReleased(KeyEvent e) {}}
主程序
package com.tang.retor_snaker;import javax.swing.*;public class RetroSnakeGame {public static void main(String[] args) {// 创建窗口JFrame frame = new JFrame("贪吃蛇");// 固定窗口大小frame.setResizable(false);// 设置窗口出现位置和大小frame.setBounds(300,300,675,675);// 让窗口可关闭frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 添加游戏面板的组件frame.add(new GamePanel());// 设置窗口可见性frame.setVisible(true);}
}