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這篇文章主要介紹如何使用Java實現貪吃蛇游戲,文中介紹的非常詳細,具有一定的參考價值,感興趣的小伙伴們一定要看完!
具體內容如下
這是一個比較簡潔的小游戲,主要有三個類,一個主類,一個食物類,一個貪吃蛇類。
1、首先定義主類,主類中主要用來創建窗口
public class Main { public static final int WIDTH=600; public static final int HEIGHT=600; public static void main(String[] args) { JFrame win =new JFrame(); win.setVisible(true); win.setSize(WIDTH, HEIGHT); win.setDefaultCloseOperation(3); win.setLocationRelativeTo(null); SnakePanel panle =new SnakePanel(); win.add(panle); SnakePanel.Key l = panle.new Key(); win.addKeyListener(l); panle.addKeyListener(l); panle.run(); } }
2、其次是定義食物類,食物有長和寬,還有在窗口中的位置
import java.util.Random; public class Cell { protected int x; protected int y; protected int width; protected int height; Random ran=new Random(); public Cell(){ Random ran=new Random(); this.x=ran.nextInt(25)*15+60; this.y=ran.nextInt(25)*15+50; this.width=15; this.height=15; } public Cell(int x,int y){ this(); 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 int getWidth() { return width; } public void setWidth(int width) { this.width = width; } public int getHeight() { return height; } public void setHeight(int height) { this.height = height; } }
3、最后是蛇類
import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.util.Arrays; import java.util.Timer; import java.util.TimerTask; import javax.swing.JPanel; public class SnakePanel extends JPanel { final int RIGHT=1; final int LEFT=2; final int UP=3; final int DOWN=4; int moved=1; Cell food; Cell[] snake; public SnakePanel(){ food=new Cell(); snake=new Cell[5]; for(int i=0;i<snake.length;i++){ snake[i]=new Cell(210+i*15,50); } } class Key extends KeyAdapter{ @Override public void keyPressed(KeyEvent e){ int code=e.getKeyCode(); //System.out.println(code); if(code==37&&moved!=RIGHT){ moved=LEFT; } if(code==39&&moved!=LEFT){ moved=RIGHT; } if(code==38&&moved!=DOWN){ moved=UP; } if(code==40&&moved!=UP){ moved=DOWN; } } } public void paint(Graphics g){ super.paint(g); g.setFont(new Font(Font.SERIF,Font.BOLD,28)); g.drawRect(60, 50, 450, 450); for(int i=15;i<=450;i+=15){ g.drawLine(60+i, 50, 60+i, 500); } for(int i=15;i<=450;i+=15){ g.drawLine(60, 50+i, 510, 50+i); } g.setColor(Color.BLUE); g.drawString("歡迎來到貪吃蛇大戰", 140, 40); g.fillRect(food.x, food.y, food.width, food.height); for(int i=0;i<snake.length;i++){ g.fillRect(snake[i].x, snake[i].y, snake[i].width, snake[i].height); } } int speed = 250; public void run(){ Timer timer=new Timer(); TimerTask task=new TimerTask(){ @Override public void run() { step(); repaint(); } }; if(snake.length>=10){ speed=125; }else if(snake.length>=20){ speed=60; }else if(snake.length>=30){ speed=30; }else if(snake.length>=40){ speed=15; } timer.schedule(task, 1000, speed); } public void step(){ for(int i=1;i<snake.length;i++){ snake[i-1] = snake[i]; } Cell c = new Cell(snake[snake.length-1].getX(),snake[snake.length-1].getY()); if(moved == RIGHT){ c.setX(c.getX()+15); } if(moved == UP){ c.setY(c.getY()-15); } if(moved == DOWN){ c.setY(c.getY()+15); } if(moved == LEFT){ c.setX(c.getX()-15); } snake[snake.length-1] = c; //System.out.println(c.getX()+","+c.getY()); if(snake[snake.length-1].getX()>510|| snake[snake.length-1].getX()<60|| snake[snake.length-1].getY()>500|| snake[snake.length-1].getY()<50){ System.exit(0); } if(snake[snake.length-1].x==food.x &&snake[snake.length-1].y==food.y){ snake=Arrays.copyOf(snake,snake.length+1); snake[snake.length-1]=food; food=new Cell(); } } }
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