java原生代码实现贪吃蛇游戏代码.zip

package tanchishe.com.hui; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.security.KeyStore.Entry; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Random; import javax.swing.ImageIcon; import javax.swing.JPanel; import javax.swing.Timer; public class GamePancel extends JPanel implements KeyListener, ActionListener{ //蛇 List<SnakeBody> bodyList ; String fx ; //是否开始 boolean isStart = false; //最小单位 final static int cell = 25; //定时器 Timer timer = new Timer(200, this); //事物对象 SnakeBody food ; int score = 0; Random random = new Random(System.currentTimeMillis()); boolean isEnd ; public void init() { isStart = false; isEnd = false; bodyList = new ArrayList<SnakeBody>(); fx = "r"; for (int i = 0; i < 3; i++) { SnakeBody body = new SnakeBody(100-cell*i,100); bodyList.add(body); } score = 0; initFood(); //启动定时器 timer.start(); } public GamePancel() { init(); this.setFocusable(true); this.addKeyListener(this); } private void initFood() { food = new SnakeBody(25 + random.nextInt(32)*cell, 100 + random.nextInt(24)*cell); } @Override protected void paintComponent(Graphics g) { // TODO Auto-generated method stub super.paintComponent(g); new ImageIcon("img/title.jpg").paintIcon(this, g, 0,0); g.fillRect(25, 100,800, 600); //绘制小蛇 //蛇头 new ImageIcon("img/"+fx+".png").paintIcon(this, g, bodyList.get(0).x,bodyList.get(0).y); //蛇身 for (int i = 1; i < bodyList.size(); i++) { new ImageIcon("img/b.png").paintIcon(this, g, bodyList.get(i).x,bodyList.get(i).y); } new ImageIcon("img/food.png").paintIcon(this, g, food.x,food.y); if (!isStart) { g.setColor(Color.white); g.setFont(new Font("微软雅黑", Font.BOLD, 40)); g.drawString("按空格键开始游戏", 300, 300); } g.setColor(Color.blue); g.setFont(new Font("微软雅黑", Font.BOLD,20)); g.drawString("分数: "+score, 300, 30); if (isEnd) { g.setColor(Color.red); g.setFont(new Font("微软雅黑", Font.BOLD, 40)); g.drawString("游戏结束,得分:"+score, 300, 400); g.setColor(Color.white); g.setFont(new Font("微软雅黑", Font.BOLD, 40)); g.drawString("按空格键重新开始游戏", 200, 300); new ImageIcon("img/zha.png").paintIcon(this, g, bodyList.get(0).x-10,bodyList.get(0).y-10); init(); } } public void keyPressed(KeyEvent e) { int keyCode = e.getKeyCode(); if (keyCode == KeyEvent.VK_SPACE) { isStart = !isStart; } if (isStart) { if (keyCode == KeyEvent.VK_UP && !fx.equals("d")) { fx = "u"; } if (keyCode == KeyEvent.VK_DOWN&& !fx.equals("u")) { fx = "d"; } if (keyCode == KeyEvent.VK_LEFT&& !fx.equals("r")) { fx = "l"; } if (keyCode == KeyEvent.VK_RIGHT&& !fx.equals("l")) { fx = "r"; } } repaint(); } /** * 定時器 */ public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub if (isStart) { for (int i = bodyList.size()-1;i>0; i--) { bodyList.get(i).x = bodyList.get(i-1).x; bodyList.get(i).y = bodyList.get(i-1).y; } //设置头的位置 if (fx.equals("u")) { bodyList.get(0).y -= cell; if (bodyList.get(0).y < 100) { bodyList.get(0).y = 675; } } if (fx.equals("d")) { bodyList.get(0).y += cell; if (bodyList.get(0).y > 675) { bodyList.get(0).y = 100; } } if (fx.equals("l")) { bodyList.get(0).x -= cell; if (bodyList.get(0).x < 25) { bodyList.get(0).x = 800; } } if (fx.equals("r")) { bodyList.get(0).x += cell; if (bodyList.get(0).x >800) { bodyList.get(0).x = 25; } } //判断咬到自己 for (int i = bodyList.size()-1;i>0; i--) { if (bodyList.get(0).x == bodyList.get(i).x && bodyList.get(0).y == bodyList.get(i).y) { isEnd = true; } } if (bodyList.get(0).x == food.x && bodyList.get(0).y == food.y) { bodyList.add(food); score +=1; initFood(); } repaint(); } } public void keyTyped(KeyEvent e) { // TODO Auto-generated method stub } public void keyReleased(KeyEvent e) { // TODO Auto-generated method stub } }