java贪吃蛇小游戏源码

能够流畅运行的贪吃蛇小游戏

import java.awt.Color;
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

/**
 * 这个类代表贪吃蛇的活动场所
 * @author bjsxt
 * @version 1.0
 */
public class Yard extends Frame {

	PaintThread paintThread = new PaintThread();
	private boolean gameOver = false; //游戏是否结束
	
	/**
	 * 行数
	 */
	public static final int ROWS = 30;
	public static final int COLS = 30;
	public static final int BLOCK_SIZE = 15;
	
	private Font fontGameOver = new Font("宋体", Font.BOLD, 50);
	
	private int score = 0;
	
	Snake s = new Snake(this);
	Egg e = new Egg();
	
	Image offScreenImage = null;
	
	public void launch() {
		this.setLocation(200, 200);
		this.setSize(COLS * BLOCK_SIZE, ROWS * BLOCK_SIZE);
		this.addWindowListener(new WindowAdapter() {

			@Override
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
			
		});
		this.setVisible(true);
		this.addKeyListener(new KeyMonitor());
		
		new Thread(paintThread).start();
	}
	
	public static void main(String[] args) {
		new Yard().launch();
	}
	
	public void stop() {
		gameOver = true;
	}
	
	@Override
	public void paint(Graphics g) {
		Color c = g.getColor();
		g.setColor(Color.GRAY);
		g.fillRect(0, 0, COLS * BLOCK_SIZE, ROWS * BLOCK_SIZE);
		g.setColor(Color.DARK_GRAY);
		//画出横线
		for(int i=1; i<ROWS; i  ) {
			g.drawLine(0, BLOCK_SIZE * i, COLS * BLOCK_SIZE, BLOCK_SIZE * i);
		}
		for(int i=1; i<COLS; i  ) {
			g.drawLine(BLOCK_SIZE * i, 0, BLOCK_SIZE * i, BLOCK_SIZE * ROWS);
		}
		
		g.setColor(Color.YELLOW);
		g.drawString("score:"   score, 10, 60);
		
		if(gameOver) {
			g.setFont(fontGameOver);
			g.drawString("游戏结束", 120, 180);
			
			paintThread.pause();
		}
		
		g.setColor(c);
		
		s.eat(e);
		e.draw(g);
		s.draw(g);
		
		
	}
	
	@Override
	public void update(Graphics g) {
		if(offScreenImage == null) {
			offScreenImage = this.createImage(COLS * BLOCK_SIZE, ROWS * BLOCK_SIZE);
		}
		Graphics gOff = offScreenImage.getGraphics();
		paint(gOff);
		g.drawImage(offScreenImage, 0, 0,  null);
	}
	
	private class PaintThread implements Runnable {
		private boolean running = true;
		private boolean pause = false;
		public void run() {
			while(running) {
				if(pause) continue; 
				else repaint();
				
				try {
					Thread.sleep(100);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}
		}
		
		public void pause() {
			this.pause = true;
		}
		
		public void reStart() {
			this.pause = false;
			s = new Snake(Yard.this);
			gameOver = false;
		}
		
		public void gameOver() {
			running = false;
		}
		
	}
	
	private class KeyMonitor extends KeyAdapter {

		@Override
		public void keyPressed(KeyEvent e) {
			int key = e.getKeyCode();
			if(key == KeyEvent.VK_F2) {
				paintThread.reStart();
			}
			s.keyPressed(e);
		}
		
	}
	
	/**
	 * 拿到所得的分数
	 * @return 分数
	 */
	
	public int getScore() {
		return score;
	}
	
	/**
	 * 设置所得的分数
	 * @param score 分数
	 */
	
	public void setScore(int score) {
		this.score = score;
	}

}

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资源文件列表

Snake/.classpath , 296
Snake/.project , 381
Snake/bin/Dir.class , 933
Snake/bin/Egg.class , 1752
Snake/bin/Snake$Node.class , 1067
Snake/bin/Snake.class , 3480
Snake/bin/Yard$1.class , 599
Snake/bin/Yard$KeyMonitor.class , 917
Snake/bin/Yard$PaintThread.class , 1250
Snake/bin/Yard.class , 3368
Snake/doc/allclasses-frame.html , 925
Snake/doc/allclasses-noframe.html , 845
Snake/doc/class-use/Dir.html , 6616
Snake/doc/class-use/Egg.html , 6118
Snake/doc/class-use/Snake.html , 5076
Snake/doc/class-use/Yard.html , 6032
Snake/doc/constant-values.html , 6356
Snake/doc/deprecated-list.html , 4848
Snake/doc/Dir.html , 12083
Snake/doc/Egg.html , 11929
Snake/doc/help-doc.html , 7893
Snake/doc/index-files/index-1.html , 6101
Snake/doc/index-files/index-10.html , 6032
Snake/doc/index-files/index-11.html , 6154
Snake/doc/index-files/index-12.html , 6783
Snake/doc/index-files/index-13.html , 6036
Snake/doc/index-files/index-14.html , 6274
Snake/doc/index-files/index-15.html , 6106
Snake/doc/index-files/index-2.html , 6011
Snake/doc/index-files/index-3.html , 5999
Snake/doc/index-files/index-4.html , 6352
Snake/doc/index-files/index-5.html , 6449
Snake/doc/index-files/index-6.html , 6452
Snake/doc/index-files/index-7.html , 6045
Snake/doc/index-files/index-8.html , 6003
Snake/doc/index-files/index-9.html , 6031
Snake/doc/index.html , 1075
Snake/doc/overview-tree.html , 5780
Snake/doc/package-frame.html , 1287
Snake/doc/package-list , 2
Snake/doc/package-summary.html , 5935
Snake/doc/package-tree.html , 5793
Snake/doc/package-use.html , 5418
Snake/doc/resources/inherit.gif , 57
Snake/doc/serialized-form.html , 6463
Snake/doc/Snake.html , 11045
Snake/doc/stylesheet.css , 1137
Snake/doc/Yard.html , 22634
Snake/src/Dir.java , 98
Snake/src/Egg.java , 1174
Snake/src/Snake.java , 3199
Snake/src/Yard.java , 3358