本文實例講述了Java swing框架實現的貪吃蛇遊戲。分享給大家供大家參考，具體如下：
java是門高級語言，做遊戲時適合做後台，但是用它也可以做遊戲。閒來無事做的時候可以用來寫點小遊戲，練習練習預防早衰哈哈！
閒話不說了
下面是以前練習的作品，不怕大家笑話，那個時候用了一個禮拜才做出來的。
源碼如下供大家學習。
使用的是java的swing Jframe Jpanel JButton 當然你也可以使用awt
先來看看運行效果：
具體代碼：
package Tcs;/** * * * * @author tx */import java.awt.Color;import java.awt.Container;import java.awt.Font;import java.awt.Graphics;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.util.ArrayList;import java.util.Arrays;import java.util.Collection;import java.util.Random;import java.util.Timer;import java.util.TimerTask;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JPanel;public class Snack extends JPanel implements KeyListener { public JButton bt = new JButton("重新開始"); public ArrayList<Treasure> bw = new ArrayList<Treasure>(); public body[] b = new body[5]; public String state = ""; public ArrayList<point> p = new ArrayList<point>(); public static int score; public Snack() { this.addKeyListener(this); shengc(); } public void shengc() { for (int i = 0; i < b.length; i++) { b[i] = new body(); b[i].x = 10 - i * 10; b[i].y = 150; } } public int x = 0, y = 0; public void paint(Graphics g) { super.paint(g); g.setColor(new Color(165,41,10));//RGB定義顏色的方法g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 20)); for (int i = 0; i < b.length; i++) { body z1 = b[i]; g.drawString("O", b[i].x, b[i].y); } g.setColor(Color.BLUE); g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 20)); g.drawString("SCORE:" + score, 30, 30); paintjs(g); paintbw(g); } public void paintjs(Graphics g) { g.setColor(Color.BLACK); if (state.length() > 1) { g.drawString(state, 140, 200); } } public void paintbw(Graphics g) { g.setFont(new Font(Font.SANS_SERIF, Font.BOLD, 25)); g.setColor(Color.RED); for (int i = 0; i < bw.size(); i++) { g.drawString("o", bw.get(i).x, bw.get(i).y); } } public boolean yj() { if ((b[0].x < 400 && b[0].x > 0) && (b[0].y < 400 && b[0].y > 0)) { return false; } else { state = "GAME OVER"; return true; } } public void stmove() { if (pzjc() == false && (yj() == false)) { b[0].speed = 8;//此處可提升速度增加難度b[0].move(); p.add(new point(b[0].x, b[0].y, b[0].fx)); if (p.size() > b.length) { p.remove(p.get(0)); // System.out.println(p.size()); } } } public int jl(body a, Treasure b) { int jl = 0; jl = (int) Math.sqrt((ax - bx) * (ax - bx) + (ay - by) * (ay - by)); return jl; }// 暫時無用public void ssmove() { if (p.size() >= b.length) { for (int i = 0; i < b.length - 1; i++) { b[i + 1].fx = p.get(i).fx; b[i + 1].x = p.get(i).x; b[i + 1].y = p.get(i).y; } } } Random r = new Random(); public void bzbw() { if (bw.size() < 1) { Treasure s = new Treasure(); sx = r.nextInt(300) + 50; sy = r.nextInt(300) + 50; bw.add(s); } } public void bwxs() { Timer t = new Timer(); t.schedule(new TimerTask() { public void run() { } }, 0, 8000); } public boolean pzjc() { for (int i = 1; i < p.size(); i++) { if (p.get(0).equals(p.get(i))) { state = "GAME OVER"; return true; } } return false; } public void crush() { if (bw.size() > 0) { if (jl(b[0], bw.get(0)) < 8) { bw.remove(0); b = Arrays.copyOf(b, b.length + 1); b[b.length - 1] = new body(); score += 10; } } } public void gameover() { MouseListener k = new MouseAdapter() { public void mouseClicked(MouseEvent e) { super.mouseClicked(e); state = ""; b = Arrays.copyOf(b, 5); p.clear(); shengc(); score = 0; bt.setVisible(false); } }; if (state.length() > 1) { this.add(bt); bt.setVisible(true); bt.setBounds(150, 150, 100, 30); bt.addMouseListener(k); } if(bt.isVisible()==false){this.remove(bt);} this.requestFocus(); } public void zmAction() { Timer timer = new Timer(); timer.schedule(new TimerTask() { public void run() { bzbw();// 生成寶物stmove();// 蛇頭運動ssmove();// 蛇身運動crush();// 碰撞檢測gameover(); repaint(); } }, 10, 83); } public static void main(String[] args) { JFrame jf = new JFrame("武林網- 貪吃蛇遊戲測試"); jf.setBounds(0, 0, 400, 400); jf.setVisible(true); jf.setLayout(null); Container c = new Container(); c = jf.getContentPane(); c.setBackground(Color.WHITE); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Snack s = new Snack(); s.setVisible(true); s.setBounds(0, 0, 600, 600); s.setLocation(0, 0); s.setBackground(Color.ORANGE); jf.add(s); s.zmAction(); s.requestFocus(); } public void keyTyped(KeyEvent e) { } public void keyPressed(KeyEvent e) { int k = e.getKeyCode(); switch (k) { case KeyEvent.VK_UP: if (b[0].fx != "sz" && b[0].fx != "xz") { b[0].fx = "sz"; } break; case KeyEvent.VK_DOWN: if (b[0].fx != "sz" && b[0].fx != "xz") { b[0].fx = "xz"; } break; case KeyEvent.VK_LEFT: if (b[0].fx != "zz" && b[0].fx != "yz") { b[0].fx = "zz"; } break; case KeyEvent.VK_RIGHT: if (b[0].fx != "zz" && b[0].fx != "yz") { b[0].fx = "yz"; } break; } repaint(); } public void keyReleased(KeyEvent e) { }}body類
package Tcs;public class body {public int x=0;public int y=0;public int speed;private String str;public String fx;public body(){ fx="yz";}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 String getStr() { return str;}public void setStr(String str) { this.str = str;}public void sz(){ this.y+=-speed;}public void xz(){ this.y+=speed;}public void zz(){ this.x+=-speed;}public void yz(){ this.x+=speed;}public void move(){ if(fx=="xz"){ xz(); } if(fx=="sz"){ sz(); } if(fx=="zz"){ zz(); } if(fx=="yz"){ yz(); }}}寶物類
package Tcs;public class Treasure {public int x;public int y;public String str;}point類
package Tcs;public class point {public int x;public int y;public String fx;public point(int x,int y,String fx){ this.x=x; this.y=y; this.fx=fx;}public boolean equals(Object o){ if(o instanceof point){ point p=(point)o; if(px==this.x&&p.y==this.y){ return true; } } if(o==this){return true;} if(o==null){return false;} return false;}}更多關於java算法相關內容感興趣的讀者可查看本站專題：《Java數據結構與算法教程》、《Java操作DOM節點技巧總結》、《Java文件與目錄操作技巧匯總》和《Java緩存操作技巧匯總》
希望本文所述對大家java程序設計有所幫助。