坑的地方
JLabel色块要调透明
方向键要用press方法
主界面
package game; import java.awt.BorderLayout; import java.awt.EventQueue; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import java.awt.GridLayout; import java.awt.Color; public class Game extends JFrame implements KeyListener{ private JPanel contentPane; Block[][] block1=new Block[4][4];//色块 GameSrc game=new GameSrc();//游戏类 int[][] pane=new int[4][4];//游戏类的数据 /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { Game frame = new Game(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } /** * Create the frame. */ public Game() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 450, 300); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(new GridLayout(4, 4, 5, 5)); game.newgame(); pane=game.getPane(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ block1[i][j]=new Block(); block1[i][j].setValue(pane[i][j]); contentPane.add(block1[i][j]); } } this.addKeyListener(this); } @Override public void keyTyped(KeyEvent e) {} @Override public void keyPressed(KeyEvent e) { // TODO 自动生成的方法存根 if(e.getKeyCode()==KeyEvent.VK_LEFT){ game.left(); pane=game.getPane(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ block1[i][j].setValue(pane[i][j]); } } if(game.gameOver()==1){ JOptionPane.showMessageDialog(this, "you lose"); } } else if(e.getKeyCode()==KeyEvent.VK_RIGHT){ game.right(); pane=game.getPane(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ block1[i][j].setValue(pane[i][j]); } } if(game.gameOver()==1){ JOptionPane.showMessageDialog(this, "you lose"); } } else if(e.getKeyCode()==KeyEvent.VK_DOWN){ game.low(); pane=game.getPane(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ block1[i][j].setValue(pane[i][j]); } } if(game.gameOver()==1){ JOptionPane.showMessageDialog(this, "you lose"); } } else if(e.getKeyCode()==KeyEvent.VK_UP){ game.up(); pane=game.getPane(); for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ block1[i][j].setValue(pane[i][j]); } } if(game.gameOver()==1){ JOptionPane.showMessageDialog(this, "you lose"); } } } @Override public void keyReleased(KeyEvent e) { // TODO 自动生成的方法存根 } }
本来逻辑代码
package game; import java.util.Random; public class GameSrc{ private int pane[][]=new int[4][4]; //棋盘 int gameOver() //显示棋盘 { int gameOver=1;// 判断游戏结束条件 for(int i=0;i<4;i++){ for(int j=0;j<4;j++){ if(pane[i][j]==0){ gameOver=0; } } } return gameOver; } int[][] getPane(){//返回数据 return pane; } void newgame() //开始游戏 { for(int i=0;i<=3;i++) //初始化棋盘 for(int j=0;j<=3;j++) pane[i][j]=0; Random random = new Random(); int m=random.nextInt(4);//产生一个0到4（不包括4的随机数） int n=random.nextInt(4); int p=random.nextInt(4); int q=random.nextInt(4); //在随机的位置上产生初值2 pane[m][n]=pane[p][q]=2; } void up(){//向上操作 int i,j,three; boolean move=false; for(j=0;j<4;j++){ //上移动 three=0; for(i=0;i<4;i++){ if(pane[i][j]>0){ if(i!=three) move=true; int t=pane[i][j]; pane[i][j]=0; pane[three][j]=t; three++; } } } for(j=0;j<4;j++){ //合并数 for(i=0;i<3;i++){ if(pane[i][j]==pane[i+1][j]&&pane[i][j]!=0){ move=true; pane[i][j]=pane[i][j]*2; pane[i+1][j]=0; int k=i+1; for(;k+1<=3&&pane[k+1][j]>0;k++){ pane[k][j]=pane[k+1][j]; pane[k+1][j]=0; } } } } if(move) random();//产生随机数 } void low(){ //向下 int i,j,three; boolean move=false; for(j=0;j<4;j++){//下移动 three=3; for(i=3;i>=0;i--){ if(pane[i][j]>0){ if(i!=three) move=true; int t=pane[i][j]; pane[i][j]=0; pane[i+three-i][j]=t; three--; } } } for(j=0;j<4;j++){//合并数 for(i=3;i>0;i--){ if(pane[i][j]==pane[i-1][j]&&pane[i][j]!=0){ move=true; pane[i][j]=pane[i][j]*2; pane[i-1][j]=0; int k=i-1; for(;k-1>=0&&pane[k-1][j]>0;k--){ pane[k][j]=pane[k-1][j]; pane[k-1][j]=0; } } } } if(move) random(); } void left(){//向左 int i,j,three; boolean move=false; for(i=0;i<4;i++){//左移动 three=0; for(j=0;j<4;j++){ if(pane[i][j]>0){ if(j!=three) move=true; int t=pane[i][j]; pane[i][j]=0; pane[i][three]=t; three++; } } } for(i=0;i<4;i++){//合并数 for(j=0;j<3;j++){ if(pane[i][j]==pane[i][j+1]&&pane[i][j]!=0){ move=true; pane[i][j]=pane[i][j]*2; pane[i][j+1]=0; int k=j+1; for(;k+1<=3&&pane[i][k+1]>0;k++){ pane[i][k]=pane[i][k+1]; pane[i][k+1]=0; } } } } if(move) random(); } void right(){//右移 int i,j,three; boolean move=false; for(i=0;i<4;i++){ three=3; for(j=3;j>=0;j--){//右移动 if(pane[i][j]>0){ if(j!=three) move=true; int t=pane[i][j]; pane[i][j]=0; pane[i][three]=t; three--; } } } for(i=0;i<4;i++){//合并数 for(j=3;j>0;j--){ if(pane[i][j]==pane[i][j-1]&&pane[i][j]!=0){ move=true; pane[i][j]=pane[i][j]*2; pane[i][j-1]=0; int k=j-1; for(;k-1>=0&&pane[i][k-1]>0;k--){ pane[i][k]=pane[i][k-1]; pane[i][k-1]=0; } } } } if(move) random(); } void random(){//产生随机数 Random random = new Random(); int m=random.nextInt(4);//产生一个0到4（不包括4的随机数） int n=random.nextInt(4); for(;pane[m][n]!=0;){ m=random.nextInt(4);//产生一个0到4（不包括4的随机数） n=random.nextInt(4); } if(random.nextBoolean()) pane[m][n]=2; else pane[m][n]=4; } }
色块代码
package game; import javax.swing.*; import java.awt.*; public class Block extends JLabel { private int value; public Block() { value = 0;//初始化值为0 setFont(new Font("font", Font.PLAIN, 40));//设定字体 setBackground(Color.gray);//设定初始颜色为灰色 } public int getValue()//获取值 { return value; } public void setValue(int value) { this.value = value; String text = String.valueOf(value); if (value != 0) setText(text); else setText("");//如果值为0则不显示 setOpaque(true); setColor(); } public void setColor() //根据值的不同设定不同的背景颜色、label字体 { switch (value) { case 0: setBackground(Color.gray); break; case 2: setBackground(new Color(238, 228, 218)); break; case 4: setBackground(new Color(238, 224, 198)); break; case 8: setBackground(new Color(243, 177, 116)); break; case 16: setBackground(new Color(243, 177, 116)); break; case 32: setBackground(new Color(248, 149, 90)); break; case 64: setBackground(new Color(249, 94, 50)); break; case 128: setBackground(new Color(239, 207, 108)); break; case 256: setBackground(new Color(239, 207, 99)); break; case 512: setBackground(new Color(239, 203, 82)); break; case 1024: setBackground(new Color(239, 199, 57)); break; case 2048: setBackground(new Color(239, 195, 41)); break; case 4096: setBackground(new Color(255, 60, 57)); break; } } }