java贪吃蛇游戏(源码)

import java.awt.BorderLayout; import java.awt.Color; import java.awt.Graphics; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.awt.event.MouseMotionAdapter; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; public class Snakemain extends JFrame { private JPanel contentPane; private JButton button; private Point pressedPoint; public static int length; private int direction = 0; private move m = new move(); private body b[] = new body[60]; private body food1; private body food2; private body food3; public static void main(String[] args) { Snakemain s = new Snakemain(); s.setVisible(true); } /* 构造函数 */ public Snakemain() { setTitle("贪吃蛇"); setBounds(300, 150, 1360, 760); setUndecorated(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); /* 背景 */ contentPane = new JPanel(); setContentPane(contentPane); contentPane.setLayout(new BorderLayout(0, 0)); BackgroundPanel backgroundPanel = new BackgroundPanel(); backgroundPanel.setImage(getToolkit().getImage(getClass().getResource("14.jpg"))); contentPane.add(backgroundPanel); contentPane.setBackground(Color.GRAY); contentPane.setBorder(new EmptyBorder(3, 3, 3, 3)); /* 拖动 */ backgroundPanel.addMouseMotionListener(new MouseMotionAdapter() { @Override public void mouseDragged(MouseEvent e) { do_mouseDragged(e); } private void do_mouseDragged(MouseEvent e) { // TODO Auto-generated method stub Point point = e.getPoint();// 获取当前坐标 Point locationPoint = getLocation();// 获取窗体坐标 int x = locationPoint.x + point.x - pressedPoint.x;// 计算移动后的新坐标 int y = locationPoint.y + point.y - pressedPoint.y; setLocation(x, y);// 改变窗体位置 } }); backgroundPanel.addMouseListener(new MouseAdapter() { @Override public void mousePressed(MouseEvent e) { do_mousePressed(e); } private void do_mousePressed(MouseEvent e) { pressedPoint = e.getPoint(); } }); //初始化蛇 SetLength(20); InitSnake(); InitFood(b); Thread m = new Thread(new moving()); //键盘监听器 addKeyListener(new KeyListener() { public void keyTyped(KeyEvent arg0) { } public void keyReleased(KeyEvent arg0) { } public void keyPressed(KeyEvent e) { switch (e.getKeyCode()) { case KeyEvent.VK_RIGHT: direction = 0; break; case KeyEvent.VK_DOWN: direction = 1; break; case KeyEvent.VK_LEFT: direction = 2; break; case KeyEvent.VK_UP: direction = 3; break; } } }); m.start(); } /* 移动刷新 */ public class moving implements Runnable { public void run() { while (true) { try { Thread.sleep(100); } catch (InterruptedException e) { e.printStackTrace(); } //传参到移动功能函数中 m.setLength(length); m.Direction(b, direction); //更新蛇的长度 SetLength(Snakemain.this.length); //吃到食物后的处理 if(iseat(Snakemain.this.b)) { addlength(b, direction); InitFood(Snakemain.this.b); } //判断是否自己撞死 if(new judge().die(b) ) { JOptionPane.showMessageDialog(null, "you die"); } //更新图形 repaint(); } } } /* 初始化蛇 */ public void InitSnake() { for (int i = 0; i < length; i++) { b[i] = new body(400 - i*10 , 400); } for(int i=length; i<=59; i++) { b[i] = new body(); } } /* 初始化食物 */ public void InitFood(body[] d) { food1 = new food().check(d); food2 = new food().check(d); food3 = new food().check(d); System.out.println("食物1坐标: " + food1.getX() + " " + food1.getY()); System.out.println("食物2坐标: " + food2.getX() + " " + food2.getY()); System.out.println("食物3坐标: " + food3.getX() + " " + food3.getY()); System.out.println("蛇的长度: " + length); } /* 设置长度 */ public void SetLength(int l) { this.length = l; } /* 绘制蛇 */ public void paint(Graphics g) { super.paint(g); g.setColor(Color.LIGHT_GRAY); for (int i = 0; i < length; i++) { // 画蛇 g.fillRect(b[i].getX(), b[i].getY(), 10, 10); } g.setColor(Color.red); g.fillRect(food1.getX(), food1.getY(), 10, 10); g.fillRect(food2.getX(), food2.getY(), 10, 10); g.fillRect(food3.getX(), food3.getY(), 10, 10); } /* 判断是否吃到了食物 */ public Boolean iseat(body[] b) { if ((b[0].getX()== food1.getX() && b[0].getY()== food1.getY()) || (b[0].getX()== food2.getX() && b[0].getY()== food2.getY()) || (b[0].getX()== food3.getX() && b[0].getY()== food3.getY())) { return true; } else { return false; } } /* 增加长度 */ public void addlength(body[] b, int direction) { int x = b[length-1].getX(); int y = b[length-1].getY(); if (direction == 0) { length = length+1; b[length].setX(x - 10); b[length].setY(y); } else if (direction == 1) { length = length+1; b[length].setX(x); b[length].setY(y - 10); } else if (direction == 2) { length = length+1; b[length].setX(x + 10); b[length].setY(y); } else if (direction == 3) { length = length+1; b[length].setX(x + 10); b[length].setY(y); } //刷新食物 InitFood(b); } }