如何把從網(wǎng)上下載下來的用java編寫的“貪吃蛇”代碼，用eclipse調(diào)試？

你下載的這個(gè)貪吃蛇代碼需要android的運(yùn)行環(huán)境滑仿，你下載個(gè)android的SDK，枝讓猛配置一下環(huán)境就可以運(yùn)行了猛橋

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貪吃蛇 java代碼

自己寫著玩的,很簡單,你試鉛租襪一試哦...

主要用了javax.swing.Timer這個(gè)類:

import java.awt.*;

import javax.swing.*;

@SuppressWarnings("serial"槐激型顫)

public class MainClass extends JFrame {

ControlSnake control;

Toolkit kit;

Dimension dimen;

public static void main(String[] args) {

new MainClass("my snake");

}

public MainClass(String s) {

super(s);

control = new ControlSnake();

control.setFocusable(true);

kit = Toolkit.getDefaultToolkit();

dimen = kit.getScreenSize();

add(control);

setLayout(new BorderLayout());

setLocation(dimen.width / 3, dimen.height / 3);// dimen.width/3,dimen.height/3

setSize(FWIDTH, FHEIGHT);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setResizable(false);

setVisible(true);

}

public static final int FWIDTH = 315;

public static final int FHEIGHT = 380;

}

import java.util.*;

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.Timer;

import java.util.Random;

@SuppressWarnings("serial")

public class ControlSnake extends JPanel implements ActionListener {

Random rand;

ArrayListPoint list, listBody;

String str, str1;

static boolean key;

int x, y, dx, dy, fx, fy, flag;

int snakeBody;

int speed;

public ControlSnake() {

snakeBody = 1;

str = "上下左右方向鍵控制 P鍵暫停...";

str1 = "現(xiàn)在的長度為:" + snakeBody;

key = true;

flag = 1;

speed = 700;

rand = new Random();

list = new ArrayListPoint();

listBody = new ArrayListPoint();

x = 5;

y = 5;

list.add(new Point(x, y));

listBody.add(list.get(0));

dx = 10;

dy = 0;

fx = rand.nextInt(30) * 10 + 5;// 2

fy = rand.nextInt(30) * 10 + 5;// 2

setBackground(Color.WHITE);

setSize(new Dimension(318, 380));

final Timer time = new Timer(speed, this);

time.start();

addKeyListener(new KeyAdapter() {

public void keyPressed(KeyEvent e) {

if (e.getKeyCode() == 37) {

dx = -10;

dy = 0;

} else if (e.getKeyCode() == 38) {

dx = 0;

dy = -10;

} else if (e.getKeyCode() == 39) {

dx = 10;

dy = 0;

} else if (e.getKeyCode() == 40) {

dx = 0;

dy = 10;

} else if (e.getKeyCode() == 80) {

if (flag % 2 == 1) {

time.stop();

}

if (flag % 2 == 0) {

time.start();

}

flag++;

}

}

});

}

public void paint(Graphics g) {

g.setColor(Color.WHITE);

g.fillRect(0, 0, 400, 400);

g.setColor(Color.DARK_GRAY);

g.drawLine(3, 3, 305, 3);

g.drawLine(3, 3, 3, 305);

g.drawLine(305, 3, 305, 305);

g.drawLine(3, 305, 305, 305);

g.setColor(Color.PINK);

for (int i = 0; i listBody.size(); i++) {

g.fillRect(listBody.get(i).x, listBody.get(i).y, 9, 9);

}

g.fillRect(x, y, 9, 9);

g.setColor(Color.ORANGE);

g.fillRect(fx, fy, 9, 9);

g.setColor(Color.DARK_GRAY);

str1 = "現(xiàn)在的長度為:" + snakeBody;

g.drawString(str, 10, 320);

g.drawString(str1, 10, 335);

}

public void actionPerformed(ActionEvent e) {

x += dx;

y += dy;

if (makeOut() == false) {

JOptionPane.showMessageDialog(null, "重新開始......");

speed = 700;

snakeBody = 1;

x = 5;

y = 5;

list.clear();

list.add(new Point(x, y));

listBody.clear();

listBody.add(list.get(0));

dx = 10;

dy = 0;

}

addPoint(x, y);

if (x == fx y == fy) {

speed = (int) (speed * 0.8);//速度增加參數(shù)

if (speed 200) {

speed = 100;

}

fx = rand.nextInt(30) * 10 + 5;// 2

fy = rand.nextInt(30) * 10 + 5;// 2

snakeBody++;// 2

} // 2

repaint();

}

public void addPoint(int xx, int yy) {

// 動(dòng)態(tài)的記錄最新發(fā)生的50步以內(nèi)的移動(dòng)過的坐標(biāo)

// 并畫出最新的snakeBody

if (list.size() 100) {//蛇身長度最長為100

list.add(new Point(xx, yy));

} else {

list.remove(0);

list.add(new Point(xx, yy));

}

if (snakeBody == 1) {

listBody.remove(0);

listBody.add(0, list.get(list.size() - 1));

} else {

listBody.clear();

if (list.size() snakeBody) {

for (int i = list.size() - 1; i 0; i--) {

listBody.add(list.get(i));

}

} else {

for (int i = list.size() - 1; listBody.size() snakeBody; i--) {

listBody.add(list.get(i));

}

}

}

}

public boolean makeOut() {

if ((x 3 || y 3) || (x 305 || y 305)) {

return false;

}

for (int i = 0; i listBody.size() - 1; i++) {

for (int j = i + 1; j listBody.size(); j++) {

if (listBody.get(i).equals(listBody.get(j))) {

return false;

}

}

}

return true;

}

}

我想求一個(gè)Java編寫的貪吃蛇游戲，要有注釋和流程圖最好

用MVC方式實(shí)現(xiàn)的貪吃蛇游戲，共有4個(gè)類。運(yùn)行GreedSnake運(yùn)行即可。主要是觀察者模式的使用，我手扒已經(jīng)添加了很多注釋了。

1、

/*

* 程序名稱：貪食蛇

* 原作者：BigF

* 修改者：algo

* 說明：我以前也用C寫過這個(gè)程序，現(xiàn)在看到BigF用Java寫的這個(gè)，發(fā)現(xiàn)雖然作者自稱是Java的初學(xué)者，

* 但是明顯編寫程序的素養(yǎng)不錯(cuò)，程序結(jié)構(gòu)寫得很清晰，有些細(xì)微得地方喚敗也寫得很簡潔，一時(shí)興起之

* 下，我認(rèn)真解讀了這個(gè)程序，發(fā)現(xiàn)數(shù)據(jù)和表現(xiàn)分開得很好，而我近日和薯顫正在學(xué)習(xí)MVC設(shè)計(jì)模式，

* 因此嘗試把程序得結(jié)構(gòu)改了一下，用MVC模式來實(shí)現(xiàn)，對源程序得改動(dòng)不多。

* 我同時(shí)也為程序增加了一些自己理解得注釋，希望對大家閱讀有幫助。

*/

package mvcTest;

/**

* @author WangYu

* @version 1.0

* Description:

* /pre

* Create on :Date :2005-6-13 Time:15:57:16

* LastModified:

* History:

*/

public class GreedSnake {

public static void main(String[] args) {

SnakeModel model = new SnakeModel(20,30);

SnakeControl control = new SnakeControl(model);

SnakeView view = new SnakeView(model,control);

//添加一個(gè)觀察者，讓view成為model的觀察者

model.addObserver(view);

(new Thread(model)).start();

}

}

-------------------------------------------------------------

2、

package mvcTest;

//SnakeControl.java

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

/**

* MVC中的Controler，負(fù)責(zé)接收用戶的操作，并把用戶操作通知Model

*/

public class SnakeControl implements KeyListener{

SnakeModel model;

public SnakeControl(SnakeModel model){

this.model = model;

}

public void keyPressed(KeyEvent e) {

int keyCode = e.getKeyCode();

if (model.running){ // 運(yùn)行狀態(tài)下，處理的按鍵

switch (keyCode) {

case KeyEvent.VK_UP:

model.changeDirection(SnakeModel.UP);

break;

case KeyEvent.VK_DOWN:

model.changeDirection(SnakeModel.DOWN);

break;

case KeyEvent.VK_LEFT:

model.changeDirection(SnakeModel.LEFT);

break;

case KeyEvent.VK_RIGHT:

model.changeDirection(SnakeModel.RIGHT);

break;

case KeyEvent.VK_ADD:

case KeyEvent.VK_PAGE_UP:

model.speedUp();

break;

case KeyEvent.VK_SUBTRACT:

case KeyEvent.VK_PAGE_DOWN:

model.speedDown();

break;

case KeyEvent.VK_SPACE:

case KeyEvent.VK_P:

model.changePauseState();

break;

default:

}

}

// 任何情況下處理的按鍵，按鍵導(dǎo)致重新啟動(dòng)游戲

if (keyCode == KeyEvent.VK_R ||

keyCode == KeyEvent.VK_S ||

keyCode == KeyEvent.VK_ENTER) {

model.reset();

}

}

public void keyReleased(KeyEvent e) {

}

public void keyTyped(KeyEvent e) {

}

}

-------------------------------------------------------------

3、

/*

*

*/

package mvcTest;

/**

* 游戲的Model類，負(fù)責(zé)所有游戲相關(guān)數(shù)據(jù)及運(yùn)行

* @author WangYu

* @version 1.0

* Description:

* /pre

* Create on :Date :2005-6-13 Time:15:58:33

* LastModified:

* History:

*/

//SnakeModel.java

import javax.swing.*;

import java.util.Arrays;

import java.util.LinkedList;

import java.util.Observable;

import java.util.Random;

/**

* 游戲的Model類，負(fù)責(zé)所有游戲相關(guān)數(shù)據(jù)及運(yùn)行

*/

class SnakeModel extends Observable implements Runnable {

boolean[][] matrix; // 指示位置上有沒蛇體或食物

LinkedList nodeArray = new LinkedList(); // 蛇體

Node food;

int maxX;

int maxY;

int direction = 2; // 蛇運(yùn)行的方向

boolean running = false; // 運(yùn)行狀態(tài)

int timeInterval = 200; // 時(shí)間間隔，毫秒

double speedChangeRate = 0.75; // 每次得速度變化率

boolean paused = false; // 暫停標(biāo)志

int score = 0; // 得分

int countMove = 0; // 吃到食物前移動(dòng)的次數(shù)

// UP and DOWN should be even

// RIGHT and LEFT should be odd

public static final int UP = 2;

public static final int DOWN = 4;

public static final int LEFT = 1;

public static final int RIGHT = 3;

public SnakeModel( int maxX, int maxY) {

this.maxX = maxX;

this.maxY = maxY;

reset();

}

public void reset(){

direction = SnakeModel.UP; // 蛇運(yùn)行的方向

timeInterval = 200; // 時(shí)間間隔，毫秒

paused = false; // 暫停標(biāo)志

score = 0; // 得分

countMove = 0; // 吃到食物前移動(dòng)的次數(shù)

// initial matirx, 全部清0

matrix = new boolean[maxX][];

for (int i = 0; i maxX; ++i) {

matrix[i] = new boolean[maxY];

Arrays.fill(matrix[i], false);

}

// initial the snake

// 初始化蛇體，如果橫向位置超過20個(gè)，長度為10，否則為橫向位置的一半

int initArrayLength = maxX 20 ? 10 : maxX / 2;

nodeArray.clear();

for (int i = 0; i initArrayLength; ++i) {

int x = maxX / 2 + i;//maxX被初始化為20

int y = maxY / 2; //maxY被初始化為30

//nodeArray[x,y]: [10,15]-[11,15]-[12，15]~~[20,15]

//默認(rèn)的運(yùn)行方向向上，所以游戲一開始nodeArray就變?yōu)椋?/p>

// [10，14]-[10，15]-[11，15]-[12，15]~~[19，15]

nodeArray.addLast(new Node(x, y));

matrix[x][y] = true;

}

// 創(chuàng)建食物

food = createFood();

matrix[food.x][food.y] = true;

}

public void changeDirection(int newDirection) {

// 改變的方向不能與原來方向同向或反向

if (direction % 2 != newDirection % 2) {

direction = newDirection;

}

}

/**

* 運(yùn)行一次

* @return

*/

public boolean moveOn() {

Node n = (Node) nodeArray.getFirst();

int x = n.x;

int y = n.y;

// 根據(jù)方向增減坐標(biāo)值

switch (direction) {

case UP:

y--;

break;

case DOWN:

y++;

break;

case LEFT:

x--;

break;

case RIGHT:

x++;

break;

}

// 如果新坐標(biāo)落在有效范圍內(nèi)，則進(jìn)行處理

if ((0 = x x maxX) (0 = y y maxY)) {

if (matrix[x][y]) { // 如果新坐標(biāo)的點(diǎn)上有東西（蛇體或者食物）

if (x == food.x y == food.y) { // 吃到食物，成功

nodeArray.addFirst(food); // 從蛇頭贈(zèng)長

// 分?jǐn)?shù)規(guī)則，與移動(dòng)改變方向的次數(shù)和速度兩個(gè)元素有關(guān)

int scoreGet = (10000 - 200 * countMove) / timeInterval;

score += scoreGet 0 ? scoreGet : 10;

countMove = 0;

food = createFood(); // 創(chuàng)建新的食物

matrix[food.x][food.y] = true; // 設(shè)置食物所在位置

return true;

} else // 吃到蛇體自身，失敗

return false;

} else { // 如果新坐標(biāo)的點(diǎn)上沒有東西（蛇體），移動(dòng)蛇體

nodeArray.addFirst(new Node(x, y));

matrix[x][y] = true;

n = (Node) nodeArray.removeLast();

matrix[n.x][n.y] = false;

countMove++;

return true;

}

}

return false; // 觸到邊線，失敗

}

public void run() {

running = true;

while (running) {

try {

Thread.sleep(timeInterval);

} catch (Exception e) {

break;

}

if (!paused) {

if (moveOn()) {

setChanged(); // Model通知View數(shù)據(jù)已經(jīng)更新

notifyObservers();

} else {

JOptionPane.showMessageDialog(null,

"you failed",

"Game Over",

JOptionPane.INFORMATION_MESSAGE);

break;

}

}

}

running = false;

}

private Node createFood() {

int x = 0;

int y = 0;

// 隨機(jī)獲取一個(gè)有效區(qū)域內(nèi)的與蛇體和食物不重疊的位置

do {

Random r = new Random();

x = r.nextInt(maxX);

y = r.nextInt(maxY);

} while (matrix[x][y]);

return new Node(x, y);

}

public void speedUp() {

timeInterval *= speedChangeRate;

}

public void speedDown() {

timeInterval /= speedChangeRate;

}

public void changePauseState() {

paused = !paused;

}

public String toString() {

String result = "";

for (int i = 0; i nodeArray.size(); ++i) {

Node n = (Node) nodeArray.get(i);

result += "[" + n.x + "," + n.y + "]";

}

return result;

}

}

class Node {

int x;

int y;

Node(int x, int y) {

this.x = x;

this.y = y;

}

}

------------------------------------------------------------

4、

package mvcTest;

//SnakeView.java

import javax.swing.*;

import java.awt.*;

import java.util.Iterator;

import java.util.LinkedList;

import java.util.Observable;

import java.util.Observer;

/**

* MVC模式中得Viewer，只負(fù)責(zé)對數(shù)據(jù)的顯示,而不用理會(huì)游戲的控制邏輯

*/

public class SnakeView implements Observer {

SnakeControl control = null;

SnakeModel model = null;

JFrame mainFrame;

Canvas paintCanvas;

JLabel labelScore;

public static final int canvasWidth = 200;

public static final int canvasHeight = 300;

public static final int nodeWidth = 10;

public static final int nodeHeight = 10;

public SnakeView(SnakeModel model, SnakeControl control) {

this.model = model;

this.control = control;

mainFrame = new JFrame("GreedSnake");

Container cp = mainFrame.getContentPane();

// 創(chuàng)建頂部的分?jǐn)?shù)顯示

labelScore = new JLabel("Score:");

cp.add(labelScore, BorderLayout.NORTH);

// 創(chuàng)建中間的游戲顯示區(qū)域

paintCanvas = new Canvas();

paintCanvas.setSize(canvasWidth + 1, canvasHeight + 1);

paintCanvas.addKeyListener(control);

cp.add(paintCanvas, BorderLayout.CENTER);

// 創(chuàng)建底下的幫助欄

JPanel panelButtom = new JPanel();

panelButtom.setLayout(new BorderLayout());

JLabel labelHelp;

labelHelp = new JLabel("PageUp, PageDown for speed;", JLabel.CENTER);

panelButtom.add(labelHelp, BorderLayout.NORTH);

labelHelp = new JLabel("ENTER or R or S for start;", JLabel.CENTER);

panelButtom.add(labelHelp, BorderLayout.CENTER);

labelHelp = new JLabel("SPACE or P for pause", JLabel.CENTER);

panelButtom.add(labelHelp, BorderLayout.SOUTH);

cp.add(panelButtom, BorderLayout.SOUTH);

mainFrame.addKeyListener(control);

mainFrame.pack();

mainFrame.setResizable(false);

mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

mainFrame.setVisible(true);

}

void repaint() {

Graphics g = paintCanvas.getGraphics();

//draw background

g.setColor(Color.WHITE);

g.fillRect(0, 0, canvasWidth, canvasHeight);

// draw the snake

g.setColor(Color.BLACK);

LinkedList na = model.nodeArray;

Iterator it = na.iterator();

while (it.hasNext()) {

Node n = (Node) it.next();

drawNode(g, n);

}

// draw the food

g.setColor(Color.RED);

Node n = model.food;

drawNode(g, n);

updateScore();

}

private void drawNode(Graphics g, Node n) {

g.fillRect(n.x * nodeWidth,

n.y * nodeHeight,

nodeWidth - 1,

nodeHeight - 1);

}

public void updateScore() {

String s = "Score: " + model.score;

labelScore.setText(s);

}

public void update(Observable o, Object arg) {

repaint();

}

}

當(dāng)前名稱：txt貪吃蛇java代碼的簡單介紹
轉(zhuǎn)載源于：http://chinadenli.net/article40/dshoseo.html

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