Java贪吃蛇游戏
最近要考试了,但是还是抽出时间来做一个贪吃蛇玩玩,大概几天的时间吧,中途也遇到很多问题,但还是解决了,感谢狂神。
总结,开发需要一定的逻辑思维,分模块开发,把逻辑理清了,开发就不难了,希望多努力学习,
游戏的启动主类
package Snake;
import javax.swing.*;
public class Startgame {
public static void main(String[] args) {
JFrame jFrame = new JFrame();
jFrame.setBounds(10,10,900,720);
jFrame.setResizable(false);
jFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
jFrame.add(new GamePanel());
jFrame.setVisible(true);
}
}
存放数据图片的类
package Snake;
import javax.swing.*;
import java.net.URL;
public class Data {
public static URL ggURL = Data.class.getResource("SnakeData/gg.png");
public static ImageIcon head = new ImageIcon(ggURL);
public static URL upURL = Data.class.getResource("SnakeData/up.png");
public static URL downURL = Data.class.getResource("SnakeData/down.png");
public static URL leftURL = Data.class.getResource("SnakeData/left.png");
public static URL rightURL = Data.class.getResource("SnakeData/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("SnakeData/body.png");
public static ImageIcon body = new ImageIcon(bodyURL);
public static URL foodURL = Data.class.getResource("SnakeData/food.png");
public static ImageIcon food = new ImageIcon(foodURL);
}
面板类,包含游戏实现的细节
package Snake;
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.Random;
public class GamePanel extends JPanel implements KeyListener,ActionListener{
int length;
int[] snakeX = new int[600];
int[] snakeY = new int[500];
String direction= "R";
Timer timer = new Timer(100,this);
int foodx;
int foody;
Random random = new Random();
boolean isFial = false;
boolean isStart;
int score = 0;
public GamePanel() {
init();
this.setFocusable(true);
this.addKeyListener(this);
timer.start();
}
public void init() {
length = 3;
snakeX[0] = 100;snakeY[0] = 100;
snakeX[1] = 75;snakeY[1] = 100;
snakeX[2] = 50; snakeY[2] = 100;
isStart= false;
foodx = 25+25*(random.nextInt(32)%32);
foody = 75+25*(random.nextInt(22)%22);
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
this.setBackground(Color.WHITE);
Data.head.paintIcon(this, g, 25, 11);
g.fillRect(25, 75, 850, 600);
if (direction == "R") {
Data.right.paintIcon(this, g, snakeX[0], snakeY[0]);
} else if (direction == "L") {
Data.left.paintIcon(this, g, snakeX[0], snakeY[0]);
} else if (direction == "U") {
Data.up.paintIcon(this, g, snakeX[0], snakeY[0]);
} else if (direction == "D") {
Data.down.paintIcon(this, g, snakeX[0], snakeY[0]);
}
g.setColor(new Color(30, 229, 30));
g.setFont(new Font("微软雅黑", Font.BOLD, 18));
g.drawString("长度:"+length, 790, 35);
g.drawString("积分:"+score, 790, 56);
Data.food.paintIcon(this,g,foodx,foody);
for (int i = 1; i < length; i++) {
Data.body.paintIcon(this, g, snakeX[i], snakeY[i]);
}
if (isStart==false) {
g.setColor(new Color(248, 246, 246));
g.setFont(new Font("微软雅黑", Font.BOLD, 60));
g.drawString("按下空格键开始", 240, 350);
}
if (isFial){
g.setColor(Color.RED);
g.setFont(new Font("微软雅黑", Font.BOLD, 60));
g.drawString("游戏失败,按下空格重新开始", 70, 350);
}
}
@Override
public void keyPressed(KeyEvent e) {
int keycode = e.getKeyCode();
if (keycode == KeyEvent.VK_SPACE) {
if (isFial==true){
isFial = false;
init();
}else {
isStart = !isStart;
}
repaint();
}
if (keycode==KeyEvent.VK_UP){
direction = "U";
}else if (keycode==KeyEvent.VK_DOWN){
direction = "D";
}else if (keycode==KeyEvent.VK_LEFT){
direction = "L";
}else if (keycode==KeyEvent.VK_RIGHT){
direction = "R";
}
for (int i = length-1; i >0 ; i--) {
snakeX[i] = snakeX[i-1];
snakeY[i] = snakeY[i-1];
}
repaint();
}
@Override
public void actionPerformed(ActionEvent e) {
if (isStart == true&&isFial==false){
for (int i = length - 1; i > 0; i--) {
snakeX[i] = snakeX[i - 1];
snakeY[i] = snakeY[i - 1];
}
if (direction.equals("R")){
snakeX[0] = snakeX[0] + 25;if (snakeX[0] > 850) {
snakeX[0] = 25;}
}else if(direction.equals("L")){
snakeX[0] = snakeX[0] - 25;if (snakeX[0] <25) {
snakeX[0] = 850;}
}else if(direction.equals("U")){
snakeY[0] = snakeY[0] - 25;if (snakeY[0] <75) {
snakeY[0] = 650;}
}else if(direction.equals("D")){
snakeY[0] = snakeY[0] + 25;if (snakeY[0] > 650) {
snakeY[0] = 75;}
}
if (snakeX[0]==foodx&&snakeY[0]==foody){
length += 1;
score+=10;
foodx = 25 +25*random.nextInt(34);
foody = 25 +25*random.nextInt(24);
}
for (int i = 1; i < length; i++) {
if (snakeX[0]==snakeX[i]&&snakeY[0]==snakeY[i]){
isFial = true;
score=0;
}
}
repaint();
timer.start();
}
}
@Override
public void keyTyped(KeyEvent e) {
}
@Override
public void keyReleased(KeyEvent e) {
}
}
代码中存在注释,有用拿走,嘿嘿!!