这篇文章主要介绍java怎么实现2048游戏，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！
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先来看看运行效果：
具体代码如下：
package awtDemo;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.util.*;
@SuppressWarnings("serial")
public class Game2048 extends JApplet{
@SuppressWarnings("unused")
private static final int UP=0,DOWN=1,LEFT=2,RIGHT=3;
private static final int WID=150,SP=10;
@SuppressWarnings("unused")
private int scores=0;
private static JLabel scoreLabel;
private boolean change,CheckMode=false,gameOverFlag=false,successFlag=false;
private int[] label={2,4,8,16,32,64,128};
private Color[] clo={
new Color(200,200,200),new Color(228,228,160),new Color(214,163,92),
new Color(234,124,72),new Color(240,84,77),new Color(255,68,53),new Color(200,200,64)
};
@SuppressWarnings("rawtypes")
private Map cmap=new HashMap();
public static RectObject[][] rset=new RectObject[4][4];
public RectObject[][] list=new RectObject[4][4];
private My2048Panel myp;
@SuppressWarnings("rawtypes")
private LinkedList saveList=new LinkedList();
private JButton goBackButton;
KeyListener kl=new KeyListener(){
public void keyPressed(KeyEvent e){
saveTheStep();
goBackButton.setVisible(true);
if(gameOverFlag==true){
return;
}
if(!aDirAble()){
gameOver();
}
int key=e.getKeyCode();
switch(key){
case KeyEvent.VK_UP:
change=false;
moveUp(true);
if(change==true){
getARandomRect();
//saveTheStep();
}
break;
case KeyEvent.VK_DOWN:
change=false;
moveDown(true);
if(change==true){
getARandomRect();
//saveTheStep();
}
break;
case KeyEvent.VK_LEFT:
change=false;
moveLeft(true);
if(change==true){
getARandomRect();
//saveTheStep();
}
break;
case KeyEvent.VK_RIGHT:
change=false;
moveRight(true);
if(change==true){
getARandomRect();
//saveTheStep();
}
break;
}
//saveTheStep();
}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
};
class RectObject{
private int value;
public RectObject(){
value=0;
}
public RectObject(RectObject obj){
value=obj.value;
}
public boolean equals(Object inobj){
RectObject obj=(RectObject)inobj;
if(obj.value==value){
return true;
}
return false;
}
}
class Point{
int x;
int y;
public Point(int i,int j){
x=i;
y=j;
}
}
class My2048Panel extends JPanel{
private int[] xindex={SP,2*SP+WID,3*SP+2*WID,4*SP+3*WID};
private int[] yindex={SP,2*SP+WID,3*SP+2*WID,4*SP+3*WID};
@SuppressWarnings("deprecation")
public void paintComponent(Graphics g){
//background
super.paintComponent(g);
for(int i=0;i-1;j--){
if(rset[i][j]!=null){
list[i][k--]=new RectObject(rset[i][j]);
}
}
}
for(int i=0;i<4 && flag;i++){
for(int j=3;j>0;j--){
if(list[i][j]!=null && list[i][j-1]!=null && list[i][j].value==list[i][j-1].value){
list[i][j].value*=2;
if(CheckMode==false){
int sum=Integer.parseInt(scoreLabel.getText());
sum+=list[i][j].value;
scoreLabel.setText(""+sum);
}
list[i][j-1]=null;
j--;
}
}
}
if(isChange()){
if(CheckMode==false){
copySet(rset,list);
repaint();
moveRight(false);
}
change=true;
}else{
repaint();
}
}
//moveup
public void moveUp(boolean flag){
clearList(list);
for(int j=0;j<4;j++){
int k=0;
for(int i=0;i<4;i++){
if(rset[i][j]!=null){
list[k++][j]=new RectObject(rset[i][j]);
}
}
}
for(int j=0;j<4 && flag;j++){
for(int i=0;i<3;i++){
if(list[i][j]!=null && list[i+1][j]!=null && list[i][j].value==list[i+1][j].value){
list[i][j].value*=2;
if(CheckMode==false){
int sum=Integer.parseInt(scoreLabel.getText());
sum+=list[i][j].value;
scoreLabel.setText(""+sum);
}
list[i+1][j]=null;
i++;
}
}
}
if(isChange()){
if(CheckMode==false){
copySet(rset,list);
repaint();
moveUp(false);
}
change=true;
}else{
repaint();
}
}
//movedown
public void moveDown(boolean flag){
clearList(list);
for(int j=0;j<4;j++){
int k=3;
for(int i=3;i>-1;i--){
if(rset[i][j]!=null){
list[k--][j]=new RectObject(rset[i][j]);
}
}
}
for(int j=0;j<4 && flag;j++){
for(int i=3;i>0;i--){
if(list[i][j]!=null && list[i-1][j]!=null && list[i][j].value==list[i-1][j].value){
list[i][j].value*=2;
if(CheckMode==false){
int sum=Integer.parseInt(scoreLabel.getText());
sum+=list[i][j].value;
scoreLabel.setText(""+sum);
}
list[i-1][j]=null;
i--;
}
}
}
if(isChange()){
if(CheckMode==false){
copySet(rset,list);
repaint();
moveDown(false);
}
change=true;
}else{
repaint();
}
}
//other functions
private void copySet(RectObject[][] dst, RectObject[][] src){
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
dst[i][j]=src[i][j];
}
}
}
//detect whether rset is different from list or not
private boolean isChange(){
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
if(rset[i][j]!=null && list[i][j]!=null && !rset[i][j].equals(list[i][j])){
return true;
}
if(rset[i][j]!=null && list[i][j]==null){
return true;
}
if(rset[i][j]==null && list[i][j]!=null){
return true;
}
}
}
return false;
}
private void clearList(RectObject[][] s){
for(int i=0;ibest){
file.writeInt(cur);
}
file.close();
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}catch(IOException e2){
e2.printStackTrace();
}
}
@SuppressWarnings("resource")
public static void saveRecord(){
try{
RandomAccessFile file=new RandomAccessFile(new File("LASTRECORD"),"rw");
int score=Integer.parseInt(scoreLabel.getText());
file.writeInt(score);
for(int i=0;i<4;i++){
for(int j=0;j<4;j++){
if(rset[i][j]!=null){
file.writeInt(rset[i][j].value);
}else{
file.writeInt(0);
}
}
}
}catch(FileNotFoundException e){
e.printStackTrace();
}catch(IOException e){
e.printStackTrace();
}
}
public static void run(JApplet applet,int width,int height){
JFrame frame=new JFrame(title(applet));
frame.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
refreshBest();
saveRecord();
//System.out.println("The score is "+scoreLabel.getText());
}
});
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(applet);
frame.setSize(width,height);
applet.init();
applet.start();
frame.setVisible(true);
}
public static void main(String[] args){
run(new Game2048(), 900, 800);
}
} 以上是“java怎么实现2048游戏”这篇文章的所有内容，感谢各位的阅读！希望分享的内容对大家有帮助，更多相关知识，欢迎关注创新互联行业资讯频道！