這篇文章主要介紹java怎么實(shí)現(xiàn)2048游戲,文中介紹的非常詳細(xì),具有一定的參考價值,感興趣的小伙伴們一定要看完!
創(chuàng)新互聯(lián)公司專注于企業(yè)全網(wǎng)營銷推廣、網(wǎng)站重做改版、依安網(wǎng)站定制設(shè)計(jì)、自適應(yīng)品牌網(wǎng)站建設(shè)、HTML5建站、購物商城網(wǎng)站建設(shè)、集團(tuán)公司官網(wǎng)建設(shè)、成都外貿(mào)網(wǎng)站建設(shè)公司、高端網(wǎng)站制作、響應(yīng)式網(wǎng)頁設(shè)計(jì)等建站業(yè)務(wù),價格優(yōu)惠性價比高,為依安等各大城市提供網(wǎng)站開發(fā)制作服務(wù)。本文實(shí)例講述了java實(shí)現(xiàn)的2048游戲。分享給大家供大家參考,具體如下:
先來看看運(yùn)行效果:
具體代碼如下:
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<xindex.length;i++){ for(int j=0;j<yindex.length;j++){ g.setColor(Color.WHITE); g.drawRoundRect(xindex[i], yindex[j], WID, WID, WID/5, WID/5); g.setColor(new Color(197,183,129)); g.fillRoundRect(xindex[i], yindex[j], WID, WID, WID/5, WID/5); } } //paint rectangle for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(rset[i][j]!=null){ g.setColor(Color.WHITE); g.drawRoundRect(yindex[j], xindex[i], WID, WID, WID/5, WID/5); if(rset[i][j].value<128){ g.setColor((Color)cmap.get(rset[i][j].value)); }else{ g.setColor((Color)cmap.get(128)); } g.fillRoundRect(yindex[j], xindex[i], WID, WID, WID/5, WID/5); g.setColor(Color.BLACK); Font font=new Font("TimesRoman",Font.BOLD,50); g.setFont(font); FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font); int len=fm.stringWidth(""+rset[i][j].value); int hg=fm.getHeight(); g.drawString(""+rset[i][j].value, yindex[j]+WID/2-len/2, xindex[i]+WID/2+hg/4); if(rset[i][j].value==2048 && successFlag==false){ successFlag=true; gameSuccess(); } } } } } } class GameOverPane extends JPanel{ public GameOverPane(int w,int h){ setSize(w,h); //setOpaque(false); } @SuppressWarnings("deprecation") public void paintComponent(Graphics g){ super.paintComponent(g); Font font=new Font("TimesRoman",Font.BOLD,80); g.setFont(font); FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font); int width=fm.stringWidth("Game Over"); int height=fm.getHeight(); g.setColor(new Color(255,0,0)); g.drawString("Game Over!", getWidth()/2-width/2, getHeight()/2-height/2); } } class SuccessPane extends JPanel{ public SuccessPane(int w,int h){ setSize(w,h); //setOpaque(false); } public void paintComponent(Graphics g){ super.paintComponent(g); Font font=new Font("TimesRoman",Font.BOLD,80); g.setFont(font); @SuppressWarnings("deprecation") FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font); int width=fm.stringWidth("Success!"); int height=fm.getHeight(); g.setColor(new Color(255,0,0)); g.drawString("Success!", getWidth()/2-width/2, getHeight()/2-height/2); } } class LOGO extends JPanel{ public LOGO(int w ,int h){ setSize(w,h); } @SuppressWarnings("unused") public void paintComponent(Graphics g){ super.paintComponent(g); Font font=new Font("TimesRoman",Font.BOLD,60); g.setFont(font); @SuppressWarnings("deprecation") FontMetrics fm=Toolkit.getDefaultToolkit().getFontMetrics(font); int width=fm.stringWidth("2048"); int height=fm.getHeight(); g.setColor(new Color(255,0,0)); g.drawString("2048", 20, getHeight()/2+20); } } public class goBackListener implements ActionListener{ @SuppressWarnings("rawtypes") public void actionPerformed(ActionEvent e){ if(saveList.size()==0){ goBackButton.setVisible(false); return; } ArrayList arr=(ArrayList)saveList.getLast(); scoreLabel.setText(""+arr.get(0)); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ int num=(int)arr.get(4*i+j+1); if(num!=0){ rset[i][j]=new RectObject(); rset[i][j].value=num; }else{ rset[i][j]=null; } } } saveList.removeLast(); repaint(); } } public class resetListener implements ActionListener{ public void actionPerformed(ActionEvent e){ refreshBest(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ rset[i][j]=null; } } scoreLabel.setText("0"); repaint(); getARandomRect(); getARandomRect(); } } //the applet init public void init(){ Container cp=getContentPane(); cp.setLayout(null); cp.setFocusable(true); cp.addKeyListener(kl); Font font=new Font("TimesNewman",Font.BOLD,30); JLabel sl=new JLabel(); sl.setLayout(new GridLayout(2,1)); JLabel sllb=new JLabel("Scores"); sllb.setFont(font); scoreLabel=new JLabel("0"); scoreLabel.setFont(font); sl.add(sllb); sl.add(scoreLabel); int best=0; try{ File file=new File("BestRecord"); if(file.exists()){ RandomAccessFile f=new RandomAccessFile(file,"rw"); best=f.readInt(); f.close(); } }catch(FileNotFoundException e){ best=0; e.printStackTrace(); }catch(IOException e){ best=0; e.printStackTrace(); } JLabel bsl=new JLabel(); bsl.setLayout(new GridLayout(2,1)); JLabel jl=new JLabel("Best"); jl.setFont(font); JLabel jl1=new JLabel(""+best); jl1.setFont(font); bsl.add(jl); bsl.add(jl1); myp=new My2048Panel(); LOGO logo=new LOGO(0,0); goBackButton=new JButton("UNDO"); goBackButton.setFont(font); goBackButton.addActionListener(new goBackListener()); goBackButton.addKeyListener(kl); JButton jb=new JButton("RESET"); jb.setFont(font); jb.addActionListener(new resetListener()); jb.addKeyListener(kl); sl.setBounds(500,20,200,80); bsl.setBounds(300,20,200,80); logo.setBounds(0, 0, 600, 100); myp.setBounds(0,90,700,700); goBackButton.setBounds(700,250,150,60); jb.setBounds(700,450,150,60); cp.add(sl); cp.add(bsl); cp.add(logo); cp.add(myp); cp.add(goBackButton); cp.add(jb); File f=new File("LASTRECORD"); if(f.exists()){ try{ RandomAccessFile file=new RandomAccessFile(f,"rw"); int num=file.readInt(); scoreLabel.setText(""+num); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ num=file.readInt(); if(num!=0){ rset[i][j]=new RectObject(); rset[i][j].value=num; } } } file.close(); }catch(FileNotFoundException e){ e.printStackTrace(); }catch(IOException e){ e.printStackTrace(); } }else{ getARandomRect(); getARandomRect(); } } @SuppressWarnings("unchecked") public Game2048(){ //saveTheStep(); for(int i=0;i<7;i++){ cmap.put(label[i], clo[i]); } } //moveLeft public void moveLeft(boolean flag){ clearList(list); for(int i=0;i<4;i++){ int k=0; for(int j=0;j<4;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=0;j<3;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(); moveLeft(false); } change=true; }else{ repaint(); } } //moveRight public void moveRight(boolean flag){ clearList(list); for(int i=0;i<4;i++){ int k=3; for(int j=3;j>-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;i<s.length;i++){ for(int j=0;j<s[i].length;j++){ s[i][j]=null; } } } //get a random rectangle @SuppressWarnings({ "unchecked", "rawtypes" }) public void getARandomRect(){ ArrayList list=new ArrayList(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(rset[i][j]==null){ list.add(new Point(i,j)); } } } if(list.size()==0 && !aDirAble()){ gameOver(); return; } Random rand=new Random(); int index=rand.nextInt(list.size()); Point loc=(Point)list.get(index); index=rand.nextInt(2); rset[loc.x][loc.y]=new RectObject(); if(index==1){ rset[loc.x][loc.y].value=4; }else{ rset[loc.x][loc.y].value=2; } } //detect whether there are other steps or not public boolean aDirAble(){ CheckMode=true; change=false; moveLeft(true); moveRight(true); moveDown(true); moveUp(true); CheckMode=false; if(change==true){ return true; }else{ return false; } } public void gameOver(){ gameOverFlag=true; JPanel jl=new GameOverPane(myp.getWidth(),myp.getHeight()); jl.setBounds(0, 0, 700, 700); JButton jb1=new JButton("Again"); Font font=new Font("TimesRoman",Font.BOLD,30); jb1.setOpaque(false); jb1.setFont(font); JButton jb2=new JButton("Close"); jb2.setSize(jb1.getSize()); jb2.setOpaque(false); jb2.setFont(font); jb1.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ scoreLabel.setText("0"); myp.remove(jl); clearList(rset); myp.validate(); getARandomRect(); getARandomRect(); repaint(); gameOverFlag=false; refreshBest(); } }); jb2.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ refreshBest(); File f=new File("LASTRECORD"); if(f.exists()){ f.delete(); } System.exit(0); } }); jl.add(jb1); jl.add(jb2); myp.add(jl); jl.validate(); } public void gameSuccess(){ JPanel jl=new SuccessPane(myp.getWidth(),myp.getHeight()); jl.setOpaque(false); jl.setBounds(0, 0, 700, 700); JButton jb1=new JButton("Continue"); Font font=new Font("TimesRoman",Font.BOLD,30); jb1.setOpaque(false); jb1.setFont(font); JButton jb2=new JButton("Close"); jb2.setSize(jb1.getSize()); jb2.setOpaque(false); jb2.setFont(font); jb1.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ myp.remove(jl); myp.validate(); repaint(); } }); jb2.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ refreshBest(); System.exit(0); } }); jl.add(jb1); jl.add(jb2); myp.add(jl); jl.validate(); } @SuppressWarnings("unchecked") public void saveTheStep(){ if(saveList.size()<20){ @SuppressWarnings("rawtypes") ArrayList arr=new ArrayList(); int score=Integer.parseInt(scoreLabel.getText()); arr.add(score); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(rset[i][j]!=null){ arr.add(rset[i][j].value); }else{ arr.add(0); } } } saveList.addLast(arr); }else{ saveList.removeFirst(); saveTheStep(); } } public static String title(Object o){ String t=o.getClass().toString(); if(t.indexOf("class")!=-1){ t=t.substring(6); } return t; } public static void refreshBest(){ try { int best=0; File f=new File("BestRecord"); RandomAccessFile file; if(f.exists()){ file=new RandomAccessFile(f,"rw"); best=file.readInt(); file.seek(0); }else{ file=new RandomAccessFile(f,"rw"); } //System.out.println("The Best score is "+best); int cur=Integer.parseInt(scoreLabel.getText()); if(cur>best){ 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); } }
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