贪吃蛇
图片素材
1、游戏的主启动类
package com.lan.snake;
import javax.swing.*;
public class StarGame {
public static void main(String[] args) {
JFrame frame = new JFrame("大笨蛋Java-贪吃蛇小游戏");
frame.setBounds(10,10,900,720);
frame.setResizable(false);
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.add(new GamePanel());
frame.setVisible(true);
}
}
2、图片
package com.lan.snake;
import javax.swing.*;
import java.net.URL;
public class Data {
public static URL headerUrl = Data.class.getResource("/statics/header.png");
public static ImageIcon header = new ImageIcon(headerUrl);
public static URL upUrl = Data.class.getResource("/statics/up.png");
public static URL downUrl = Data.class.getResource("/statics/down.png");
public static URL leftUrl = Data.class.getResource("/statics/left.png");
public static URL rightUrl = Data.class.getResource("/statics/right.png");
public static ImageIcon up = new ImageIcon(upUrl);
public static ImageIcon down = new ImageIcon(downUrl);
public static ImageIcon left = new ImageIcon(leftUrl);
public static ImageIcon right = new ImageIcon(rightUrl);
public static URL bodyUrl = Data.class.getResource("/statics/body.png");
public static ImageIcon body = new ImageIcon(bodyUrl);
public static URL foodUrl = Data.class.getResource("/statics/food.png");
public static ImageIcon food = new ImageIcon(foodUrl);
}
3、游戏的面板
package com.lan.snake;
import javafx.scene.input.KeyCode;
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.security.Key;
import java.util.Random;
public class GamePanel extends JPanel implements KeyListener, ActionListener {
int length;
int[] snakeX = new int[600];
int[] snakeY = new int[500];
String fx;
int foodx;
int foody;
Random random = new Random();
int score;
boolean isStart = false;
boolean isFail = false;
public GamePanel(){
init();
this.setFocusable(true);
this.addKeyListener(this);
timer.start();
}
Timer timer = new Timer(100,this);
public void init(){
length = 3;
snakeX[0] = 100; snakeY[0] = 100;
snakeX[1] = 75; snakeY[1] =100;
snakeX[2] = 50; snakeY[2] = 100;
fx = "R";
foodx = 25 + 25* random.nextInt(34);
foody = 75 + 25* random.nextInt(24);
score = 0;
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
this.setBackground(Color.WHITE);
Data.header.paintIcon(this,g,25,11);
g.fillRect(25,75,850,600);
g.setColor(Color.white);
g.setFont(new Font("微软雅黑",Font.BOLD,18));
g.drawString("长度 "+length ,750,35);
g.drawString("分数 "+score , 750,50);
Data.food.paintIcon(this,g,foodx,foody);
if(fx.equals("R")){
Data.right.paintIcon(this,g,snakeX[0],snakeY[0]);
}else if(fx.equals("L")){
Data.left.paintIcon(this,g,snakeX[0],snakeY[0]);
}else if(fx.equals("U")){
Data.up.paintIcon(this,g,snakeX[0],snakeY[0]);
}else if(fx.equals("D")){
Data.down.paintIcon(this,g,snakeX[0],snakeY[0]);
}
for(int i = 1 ; i < length ; i++){
Data.body.paintIcon(this,g,snakeX[i],snakeY[i]);
}
if(isStart == false){
g.setColor(Color.white);
g.setFont(new Font("微软雅黑",Font.BOLD,40));
g.drawString("按下空格开始游戏",300,300);
}
if(isFail){
g.setColor(Color.RED);
g.setFont(new Font("微软雅黑",Font.BOLD, 40));
g.drawString("失败,按下空格重新开始",300,300);
}
}
@Override
public void keyPressed(KeyEvent e) {
int keyCode = e.getKeyCode();
if(keyCode == KeyEvent.VK_SPACE) {
if(isFail){
isFail = false;
init();
}else {
isStart = !isStart;
}
repaint();
}
if(keyCode == KeyEvent.VK_UP){
fx = "U";
}else if(keyCode == KeyEvent.VK_DOWN){
fx = "D";
}else if(keyCode == KeyEvent.VK_LEFT){
fx = "L";
}else if(keyCode == KeyEvent.VK_RIGHT){
fx = "R";
}
}
@Override
public void actionPerformed(ActionEvent e) {
if(isStart && isFail == false){
if(snakeX[0] == foodx && snakeY[0] == foody){
length++;
score = score + 10;
foodx = 25 + 25* random.nextInt(34);
foody = 75 + 25* random.nextInt(24);
}
for (int i = length - 1; i > 0 ; i--) {
snakeX[i] = snakeX[i-1];
snakeY[i] = snakeY[i-1];
}
if(fx.equals("R")){
snakeX[0] = snakeX[0] + 25;
if(snakeX[0] > 850){ snakeX[0] = 25;}
}else if(fx.equals("L")){
snakeX[0] = snakeX[0] - 25;
if(snakeX[0]<25){ snakeX[0] = 850 ; }
}else if(fx.equals("U")){
snakeY[0] = snakeY[0] - 25;
if(snakeY[0]<75){ snakeY[0] = 650 ; }
}else if(fx.equals("D")){
snakeY[0] = snakeY[0] + 25;
if(snakeY[0]>650){ snakeY[0] = 75 ; }
}
for (int i = 1; i < length; i++) {
if(snakeX[0] == snakeX[i] && snakeY[0] == snakeY[i]){
isFail = true;
}
}
repaint();
}
timer.start();
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
}
}