java貪吃蛇代碼解析 java貪吃蛇最簡單代碼
貪吃蛇 java代碼
自己寫著玩的,很簡單,你試一試哦...
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主要用了javax.swing.Timer這個類:
import java.awt.*;
import javax.swing.*;
@SuppressWarnings("serial")
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) {
// 動態(tài)的記錄最新發(fā)生的50步以內(nèi)的移動過的坐標
// 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;
}
}
java貪吃蛇代碼注釋求解
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JFrame;
public class InterFace extends JFrame {
/**
* WIDTH:寬
* HEIGHT:高
* SLEEPTIME:可以看作蛇運動的速度
* L = 1,R = 2, U = 3, D = 4 左右上下代碼
*/
public static final int WIDTH = 800, HEIGHT = 600, SLEEPTIME = 200, L = 1,R = 2, U = 3, D = 4;
BufferedImage offersetImage= new BufferedImage(WIDTH, HEIGHT,BufferedImage.TYPE_3BYTE_BGR);;
Rectangle rect = new Rectangle(20, 40, 15 * 50, 15 * 35);
Snake snake;
Node node;
public InterFace() {
//創(chuàng)建"蛇"對象
snake = new Snake(this);
//創(chuàng)建"食物"對象
createNode();
this.setBounds(100, 100, WIDTH, HEIGHT);
//添加鍵盤監(jiān)聽器
this.addKeyListener(new KeyAdapter() {
public void keyPressed(KeyEvent arg0) {
System.out.println(arg0.getKeyCode());
switch (arg0.getKeyCode()) {
//映射上下左右4個鍵位
case KeyEvent.VK_LEFT:
snake.dir = L;
break;
case KeyEvent.VK_RIGHT:
snake.dir = R;
break;
case KeyEvent.VK_UP:
snake.dir = U;
break;
case KeyEvent.VK_DOWN:
snake.dir = D;
}
}
});
this.setTitle("貪吃蛇 0.1 By ： Easy");
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setVisible(true);
//啟動線程,開始執(zhí)行
new Thread(new ThreadUpadte()).start();
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) offersetImage.getGraphics();
g2d.setColor(Color.white);
g2d.fillRect(0, 0, WIDTH, HEIGHT);
g2d.setColor(Color.black);
g2d.drawRect(rect.x, rect.y, rect.width, rect.height);
//如果蛇碰撞(吃)到食物，則創(chuàng)建新食物
if (snake.hit(node)) {
createNode();
}
snake.draw(g2d);
node.draw(g2d);
g.drawImage(offersetImage, 0, 0, null);
}
class ThreadUpadte implements Runnable {
public void run() {
//無限重繪畫面
while (true) {
try {
Thread.sleep(SLEEPTIME);
repaint(); //
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
/**
* 創(chuàng)建食物
*/
public void createNode() {
//隨機食物的出現(xiàn)位置
int x = (int) (Math.random() * 650) + 50,y = (int) (Math.random() * 500) + 50;
Color color = Color.blue;
node = new Node(x, y, color);
}
public static void main(String args[]) {
new InterFace();
}
}
/**
* 節(jié)點類(包括食物和蛇的身軀組成節(jié)點)
*/
class Node {
int x, y, width = 15, height = 15;
Color color;
public Node(int x, int y, Color color) {
this(x, y);
this.color = color;
}
public Node(int x, int y) {
this.x = x;
this.y = y;
this.color = color.black;
}
public void draw(Graphics2D g2d) {
g2d.setColor(color);
g2d.drawRect(x, y, width, height);
}
public Rectangle getRect() {
return new Rectangle(x, y, width, height);
}
}
/**
* 蛇
*/
class Snake {
public ListNode nodes = new ArrayListNode();
InterFace interFace;
int dir=InterFace.R;
public Snake(InterFace interFace) {
this.interFace = interFace;
nodes.add(new Node(20 + 150, 40 + 150));
addNode();
}
/**
* 是否碰撞到食物
* @return true 是 false 否
*/
public boolean hit(Node node) {
//遍歷整個蛇體是否與食物碰撞
for (int i = 0; i nodes.size(); i++) {
if (nodes.get(i).getRect().intersects(node.getRect())) {
addNode();
return true;
}
}
return false;
}
public void draw(Graphics2D g2d) {
for (int i = 0; i nodes.size(); i++) {
nodes.get(i).draw(g2d);
}
move();
}
public void move() {
nodes.remove((nodes.size() - 1));
addNode();
}
public synchronized void addNode() {
Node nodeTempNode = nodes.get(0);
//如果方向
switch (dir) {
case InterFace.L:
//判斷是否會撞墻
if (nodeTempNode.x = 20) {
nodeTempNode = new Node(20 + 15 * 50, nodeTempNode.y);
}
nodes.add(0, new Node(nodeTempNode.x - nodeTempNode.width,
nodeTempNode.y));
break;
case InterFace.R:
//判斷是否會撞墻
if (nodeTempNode.x = 20 + 15 * 50 - nodeTempNode.width) {
nodeTempNode = new Node(20 - nodeTempNode.width, nodeTempNode.y);
}
nodes.add(0, new Node(nodeTempNode.x + nodeTempNode.width,
nodeTempNode.y));
break;
case InterFace.U:
//判斷是否會撞墻
if (nodeTempNode.y = 40) {
nodeTempNode = new Node(nodeTempNode.x, 40 + 15 * 35);
}
nodes.add(0, new Node(nodeTempNode.x, nodeTempNode.y - nodeTempNode.height));
break;
case InterFace.D:
//判斷是否會撞墻
if (nodeTempNode.y = 40 + 15 * 35 - nodeTempNode.height) {
nodeTempNode = new Node(nodeTempNode.x,40 - nodeTempNode.height);
}
nodes.add(0, new Node(nodeTempNode.x, nodeTempNode.y + nodeTempNode.height));
break;
}
}
}
求java貪吃蛇的編程，并有注釋
J2ME貪吃蛇源代碼——200行左右，包含詳細注釋 package snake;import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;public class SnakeMIDlet extends MIDlet {
SnakeCanvas displayable = new SnakeCanvas();
public SnakeMIDlet() {
Display.getDisplay(this).setCurrent(displayable);
}public void startApp() {}public void pauseApp() {}public void destroyApp(boolean unconditional) {}}//文件名：SnakeCanvas.javapackage snake;import java.util.*;
import javax.microedition.lcdui.*;/**
* 貪吃蛇游戲
*/
public class SnakeCanvas extends Canvas implements Runnable{
/**存儲貪吃蛇節(jié)點坐標,其中第二維下標為0的代表x坐標，第二維下標是1的代表y坐標*/
int[][] snake = new int[200][2];
/**已經(jīng)使用的節(jié)點數(shù)量*/
int snakeNum;
/**貪吃蛇運動方向,0代表向上，1代表向下,2代表向左,3代表向右*/
int direction;
/*移動方向*/
/**向上*/
private final int DIRECTION_UP = 0;
/**向下*/
private final int DIRECTION_DOWN = 1;
/**向左*/
private final int DIRECTION_LEFT = 2;
/**向右*/
private final int DIRECTION_RIGHT = 3;/**游戲區(qū)域?qū)挾?/
int width;
/**游戲區(qū)域高度*/
int height;/**蛇身單元寬度*/
private final byte SNAKEWIDTH = 4;/**是否處于暫停狀態(tài),true代表暫停*/
boolean isPaused = false;
/**是否處于運行狀態(tài),true代表運行*/
boolean isRun = true;/**時間間隔*/
private final int SLEEP_TIME = 300;
/**食物的X坐標*/
int foodX;
/**食物的Y坐標*/
int foodY;
/**食物的閃爍控制*/
boolean b = true;
/**Random對象*/
Random random = new Random();
public SnakeCanvas() {
//初始化
init();
width = this.getWidth();
height = this.getHeight();
//啟動線程
new Thread(this).start();
}/**
* 初始化開始數(shù)據(jù)
*/
private void init(){
//初始化節(jié)點數(shù)量
snakeNum = 7;
//初始化節(jié)點數(shù)據(jù)
for(int i = 0;i snakeNum;i++){
snake[i][0] = 100 - SNAKEWIDTH * i;
snake[i][1] = 40;
}
//初始化移動方向
direction = DIRECTION_RIGHT;
//初始化食物坐標
foodX = 100;
foodY = 100;
}protected void paint(Graphics g) {
//清屏
g.setColor(0xffffff);
g.fillRect(0,0,width,height);
g.setColor(0);//繪制蛇身
for(int i = 0;i snakeNum;i++){
g.fillRect(snake[i][0],snake[i][1],SNAKEWIDTH,SNAKEWIDTH);
}
//繪制食物
if(b){
g.fillRect(foodX,foodY,SNAKEWIDTH,SNAKEWIDTH);
}
}private void move(int direction){
//蛇身移動
for(int i = snakeNum - 1;i 0;i--){
snake[i][0] = snake[i - 1][0];
snake[i][1] = snake[i - 1][1];
}//第一個單元格移動
switch(direction){
case DIRECTION_UP:
snake[0][1] = snake[0][1] - SNAKEWIDTH;
break;
case DIRECTION_DOWN:
snake[0][1] = snake[0][1] + SNAKEWIDTH;
break;
case DIRECTION_LEFT:
snake[0][0] = snake[0][0] - SNAKEWIDTH;
break;
case DIRECTION_RIGHT:
snake[0][0] = snake[0][0] + SNAKEWIDTH;
break;
}
}
/**
* 吃掉食物，自身增長
*/
private void eatFood(){
//判別蛇頭是否和食物重疊
if(snake[0][0] == foodX snake[0][1] == foodY){
snakeNum++;
generateFood();
}
}
/**
* 產(chǎn)生食物
* 說明：食物的坐標必須位于屏幕內(nèi)，且不能和蛇身重合
*/
private void generateFood(){
while(true){
foodX = Math.abs(random.nextInt() % (width - SNAKEWIDTH + 1))
/ SNAKEWIDTH * SNAKEWIDTH;
foodY = Math.abs(random.nextInt() % (height - SNAKEWIDTH + 1))
/ SNAKEWIDTH * SNAKEWIDTH;
boolean b = true;
for(int i = 0;i snakeNum;i++){
if(foodX == snake[i][0] snake[i][1] == foodY){
b = false;
break;
}
}
if(b){
break;
}
}
}
/**
* 判斷游戲是否結(jié)束
* 結(jié)束條件：
* 1、蛇頭超出邊界
* 2、蛇頭碰到自身
*/
private boolean isGameOver(){
//邊界判別
if(snake[0][0] 0 || snake[0][0] (width - SNAKEWIDTH) ||
snake[0][1] 0 || snake[0][1] (height - SNAKEWIDTH)){
return true;
}
//碰到自身
for(int i = 4;i snakeNum;i++){
if(snake[0][0] == snake[i][0]
snake[0][1] == snake[i][1]){
return true;
}
}
return false;
}/**
* 事件處理
*/
public void keyPressed(int keyCode){
int action = this.getGameAction(keyCode);
//改變方向
switch(action){
case UP:
if(direction != DIRECTION_DOWN){
direction = DIRECTION_UP;
}
break;
case DOWN:
if(direction != DIRECTION_UP){
direction = DIRECTION_DOWN;
}
break;
case LEFT:
if(direction != DIRECTION_RIGHT){
direction = DIRECTION_LEFT;
}
break;
case RIGHT:
if(direction != DIRECTION_LEFT){
direction = DIRECTION_RIGHT;
}
break;
case FIRE:
//暫停和繼續(xù)
isPaused = !isPaused;
break;
}
}/**
* 線程方法
* 使用精確延時
*/
public void run(){
try{
while (isRun) {
//開始時間
long start = System.currentTimeMillis();
if(!isPaused){
//吃食物
eatFood();
//移動
move(direction);
//結(jié)束游戲
if(isGameOver()){
break;
}
//控制閃爍
b = !b;
}
//重新繪制
repaint();
long end = System.currentTimeMillis();
//延時
if(end - start SLEEP_TIME){
Thread.sleep(SLEEP_TIME - (end - start));
}
}
}catch(Exception e){}
}
}
新聞名稱：java貪吃蛇代碼解析 java貪吃蛇最簡單代碼
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