2048小游戏（Java）（swing实现）（二）

最近扩充了一下知识面，实现了用键盘操控2048小游戏

但是还是不支持同时使用键盘和鼠标同时操作

  1 import javax.swing.*;
  2 
  3 //import com.sun.glass.events.KeyEvent;
  4 
  5 import java.awt.*;
  6 import java.awt.event.*;
  7 
  8 public class JF2048 extends JFrame {
  9 
 10 /**
 11      * 
 12      */
 13     private static final long serialVersionUID = 1L;
 14 
 15 private Ja2048 ja;
 16 
 17 public JButton b[] = {
 18 new JButton(),
 19 new JButton(),
 20 new JButton(),
 21 new JButton()
 22 };
 23 
 24 public JButton back = new JButton("back");
 25 
 26 private ActionListener b0 = new ActionListener(){
 27 public void actionPerformed(ActionEvent e){
 28 ja.cp0();
 29 }};
 30 
 31 private ActionListener b1 = new ActionListener(){
 32 public void actionPerformed(ActionEvent e){
 33 ja.cp1();
 34 }};
 35 
 36 private ActionListener b2 = new ActionListener(){
 37 public void actionPerformed(ActionEvent e){
 38 ja.cp2();
 39 }};
 40 
 41 private ActionListener b3 = new ActionListener(){
 42 public void actionPerformed(ActionEvent e){
 43 ja.cp3();
 44 }};
 45 
 46 private ActionListener back1 = new ActionListener(){
 47 public void actionPerformed(ActionEvent e){
 48 ja.back();
 49 }};
 50 
 51 public JLabel[][] la ={
 52 {new JLabel(),new JLabel(),new JLabel(),new JLabel()},
 53 {new JLabel(),new JLabel(),new JLabel(),new JLabel()},
 54 {new JLabel(),new JLabel(),new JLabel(),new JLabel()},
 55 {new JLabel(),new JLabel(),new JLabel(),new JLabel()},
 56 };
 57 
 58 
 59 public JF2048(){
 60 
 61 super("2048");
 62 
 63 //this.addKeyListener(x);
 64 
 65 b[0].setBounds(3,20,16,156);
 66 b[1].setBounds(178,20,16,156);
 67 b[2].setBounds(20,3,156,16);
 68 b[3].setBounds(20,178,156,16);
 69 back.setBounds(3,3,16,16);
 70 
 71 b[0].addActionListener(b0);
 72 b[1].addActionListener(b1);
 73 b[2].addActionListener(b2);
 74 b[3].addActionListener(b3);
 75 back.addActionListener(back1); 
 76 
 77 
 78 for(int i =0;i<4;i++)
 79 for(int j =0;j<4;j++){
 80 la[i][j].setBounds(20+40*i,20+40*j,36,36);
 81 la[i][j].setOpaque(true);
 82 //la[i][j].setFont(new Font("幼圆",1,24));
 83 la[i][j].setHorizontalAlignment(SwingConstants.CENTER);
 84 }
 85 
 86 this.setSize(217,238);
 87 //this.add(b[0]);
 88 //this.add(b[1]);
 89 //this.add(b[2]);
 90 //this.add(b[3]);
 91 //this.add(back);
 92 for(int i =0;i<4;i++)
 93 for(int j =0;j<4;j++)
 94 this.add(la[i][j]);
 95 JLabel p = new JLabel();
 96 p.setBackground(new Color(127,127,127));
 97 p.setOpaque(true);
 98 this.add(p);
 99 this.addKeyListener(new KeyAdapter()//键盘监听按钮
100         {
101              public void keyPressed(KeyEvent e)
102              {
103                  switch(e.getKeyCode()){
104                  case KeyEvent.VK_UP:ja.cp2();break;
105                  case KeyEvent.VK_DOWN:ja.cp3();break;
106                  case KeyEvent.VK_RIGHT:ja.cp1();break;
107                  case KeyEvent.VK_LEFT:ja.cp0();break;
108                  case KeyEvent.VK_BACK_SPACE:ja.back();
109                  }
110              }
111              
112          });
113 
114 this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
115 this.setVisible(true);
116 }
117 
118 public static void main(String[] args){
119 JF2048 jf = new JF2048();
120 jf.ja=new Ja2048(jf);
121 }
122 
123 }

界面部分代码

  1 import java.awt.*;
  2 public class Ja2048{
  3 
  4 public static int[][] state=new int[4][4];
  5 public static int[][] bac=new int[4][4];
  6 
  7 private JF2048 linkF;
  8 
  9 
 10 public Ja2048(JF2048 a){
 11 this.linkF = a;
 12 setNull(state,getRandom());
 13 setNull(state,getRandom());
 14 setState();
 15 } 
 16 /**
 17  * 向左
 18  */
 19 public void cp0(){
 20 boolean bool= false;
 21 for(int i = 1;i<4;i++)
 22 for(int j = 0;j<4;j++)
 23 if(state[i][j]!=0&&(state[i-1][j]==0||state[i-1][j]==state[i][j]))
 24 bool=true;
 25 if(!bool)return;
 26 
 27 for(int i =0;i<4;i++)
 28 for(int j =0;j<4;j++)
 29 bac[i][j]=state[i][j];
 30 
 31 int[][] b = new int[4][4];
 32 for(int j=0;j<4;j++){
 33 int[] a ={state[0][j],state[1][j],state[2][j],state[3][j]};
 34 b[j]=LierIntArr.drop(a);
 35 }
 36 setNull(b,getRandom());
 37 int[][] x=new int[4][4];
 38 for(int i=0;i<4;i++)
 39 for(int j=0;j<4;j++)
 40 x[i][j]=b[j][i];
 41 state=x;
 42 setState();
 43 }//向左
 44 /**
 45  * 向右
 46  */
 47 public void cp1(){
 48 boolean bool=false;
 49 for(int i=0;i<3;i++)
 50 for(int j=0;j<4;j++)
 51 if(state[i][j]!=0&&(state[i+1][j]==0||state[i+1][j]==state[i][j]))
 52 bool=true;
 53 if(!bool)return;
 54 bac=state;
 55 int[][] b = new int[4][4];
 56 for(int j=0;j<4;j++){
 57 int[] a = {state[3][j],state[2][j],state[1][j],state[0][j]};
 58 b[j]=LierIntArr.drop(a);
 59 }
 60 setNull(b,getRandom());
 61 int[][] x=new int[4][4];
 62 for(int i=0;i<4;i++)
 63 for(int j=0;j<4;j++)
 64 x[i][j]=b[j][3-i];
 65 state=x;
 66 setState();
 67 }//向右
 68 /**
 69  * 向上
 70  */
 71 public void cp2(){
 72 boolean bool=false;
 73 for(int i=0;i<4;i++)
 74 for(int j=1;j<4;j++)
 75 if(state[i][j]!=0&&(state[i][j-1]==0||state[i][j-1]==state[i][j]))
 76 bool=true;
 77 if(!bool)return;
 78 bac=state.clone();
 79 int[][] b = new int[4][4];
 80 for(int i=0;i<4;i++)
 81 b[i]=LierIntArr.drop(state[i]);
 82 setNull(b,getRandom());
 83 state=b.clone();
 84 setState();
 85 }//向上
 86 /**
 87  * 向下
 88  */
 89 public void cp3(){
 90 boolean bool=false;
 91 for(int i=0;i<4;i++)
 92 for(int j=0;j<3;j++)
 93 if(state[i][j]!=0&&(state[i][j+1]==0||state[i][j+1]==state[i][j]))
 94 bool=true;
 95 if(!bool)return;
 96 bac=state.clone();
 97 int[][] b=new int[4][4];
 98 for(int i=0;i<4;i++){
 99 int[] a ={state[i][3],state[i][2],state[i][1],state[i][0]};
100 b[i]=LierIntArr.drop(a);
101 }
102 setNull(b,getRandom());
103 int[][] x=new int[4][4];
104 for(int i=0;i<4;i++)
105 for(int j=0;j<4;j++)
106 x[i][j]=b[i][3-j];
107 state=x;
108 setState();
109 }//向下
110 /**
111  * 回滚
112  */
113 public  void back(){
114 state=bac.clone();
115 setState();
116 }
117 private void setState(){
118 for(int i=0;i<4;i++)
119 for(int j=0;j<4;j++){
120 if(state[i][j]==0){
121 linkF.la[i][j].setText("");
122 linkF.la[i][j].setBackground(new Color(227,227,227));
123 linkF.la[i][j].setForeground(new Color(0,0,0));
124 }
125 else if(state[i][j]==2){
126 linkF.la[i][j].setText("2");
127 linkF.la[i][j].setFont(new Font("幼圆",1,20));
128 linkF.la[i][j].setBackground(new Color(255,255,255));
129 linkF.la[i][j].setForeground(new Color(0,0,0));
130 }
131 else if(state[i][j]==4){
132 linkF.la[i][j].setText("4");
133 linkF.la[i][j].setFont(new Font("幼圆",1,20));
134 linkF.la[i][j].setBackground(new Color(127,227,127));
135 linkF.la[i][j].setForeground(new Color(0,0,0));
136 }
137 else if(state[i][j]==8){
138 linkF.la[i][j].setText("8");
139 linkF.la[i][j].setFont(new Font("幼圆",1,20));
140 linkF.la[i][j].setBackground(new Color(0,127,127));
141 linkF.la[i][j].setForeground(new Color(255,255,255));
142 }
143 else if(state[i][j]==16){
144 linkF.la[i][j].setText("16");
145 linkF.la[i][j].setFont(new Font("幼圆",1,20));
146 linkF.la[i][j].setBackground(new Color(0,255,0));
147 linkF.la[i][j].setForeground(new Color(255,255,255));
148 }
149 else if(state[i][j]==32){
150 linkF.la[i][j].setText("32");
151 linkF.la[i][j].setFont(new Font("幼圆",1,20));
152 linkF.la[i][j].setBackground(new Color(127,127,0));
153 linkF.la[i][j].setForeground(new Color(255,255,255));
154 }
155 else if(state[i][j]==64){
156 linkF.la[i][j].setText("64");
157 linkF.la[i][j].setFont(new Font("幼圆",1,20));
158 linkF.la[i][j].setBackground(new Color(255,0,0));
159 linkF.la[i][j].setForeground(new Color(255,255,255));
160 }
161 else if(state[i][j]==128){
162 linkF.la[i][j].setText("128");
163 linkF.la[i][j].setFont(new Font("幼圆",1,20));
164 linkF.la[i][j].setBackground(new Color(127,255,0));
165 linkF.la[i][j].setForeground(new Color(255,255,255));
166 }
167 else if(state[i][j]==256){
168 linkF.la[i][j].setText("256");
169 linkF.la[i][j].setFont(new Font("幼圆",1,20));
170 linkF.la[i][j].setBackground(new Color(255,255,0));
171 linkF.la[i][j].setForeground(new Color(0,0,0));
172 }
173 else if(state[i][j]==512){
174 linkF.la[i][j].setText("512");
175 linkF.la[i][j].setFont(new Font("幼圆",1,20));
176 linkF.la[i][j].setBackground(new Color(255,255,0));
177 linkF.la[i][j].setForeground(new Color(0,0,0));
178 }
179 else if(state[i][j]==1024){
180 linkF.la[i][j].setText("1024");
181 linkF.la[i][j].setFont(new Font("幼圆",1,16));
182 linkF.la[i][j].setBackground(new Color(63,63,63));
183 linkF.la[i][j].setForeground(new Color(255,255,255));
184 }
185 }//for循环
186 
187 }//setState方法
188 
189 private static int getRandom(){
190 int a = (int)(1000*Math.random());
191 if(a%10<3)
192 return 4;
193 else
194 return 2;
195 }//随机生成一个2或4，可通过调整判断条件中的数字大小来调整2和4所占的比率
196 /**
197  * 用于在4x4二维数组中随机挑出一个值为0的元素，并将其赋值为给定整数。特殊地，若该二维数组已满，返回false。
198  * @param x    该二维数组
199  * @param y    给定整数
200  * @return 
201  */
202 private static boolean setNull(int[][] x,int y){
203 boolean bool=false;
204 for(int i=0;i<4;i++)
205 for(int j=0;j<4;j++)
206 if(x[i][j]==0)bool=true;
207 if(!bool)return false;
208 
209 int a = (int)(100*Math.random());
210 int b = (int)(6+10*Math.random());
211 int c = a%b;
212 while(true){
213 for(int i=0;i<4;i++)
214 for(int j=0;j<4;j++){
215 if(x[i][j]==0&&c<=0){
216 x[i][j]=y;
217 return true;
218 }
219 else if(x[i][j]==0&&c>0)
220 c--;
221 i=(i==4?0:i);
222 j=(j==4?0:j);
223 }
224 }
225 }//boolean setNull(int[][],int)方法用于在4x4二维数组中随机挑出一个值为0的元素，并将其赋值为给定整数。特殊地，若该二维数组已满，返回false。
226 
227 
228 }

算法部分代码

 1 /**
 2  * 
 3  * @author qliujinming@qq.com 
 4  * 
 5  * @see http://www.cnblogs.com/liujinming/
 6  *
 7  */
 8 public class LierIntArr{
 9 /**
10 * 该方法用于接受一个整数数组，对该数组进行drop操作后返回
11 * 示例：接受 2 0 2 0 5 5，返回4 10 0 0 0 0
12 * @param 需要进行drop操作的数组
13 * @return drop操作之后的数组
14 */
15 public static int[] drop(int[] a){
16 int b = a.length;
17 if(b<=1)return a;
18 int[] c = new int[b];
19 int j=0;
20 for(int i=0;i<b;i++){
21 if(c[j]==0&&a[i]!=0)
22 c[j]=a[i];
23 else if(c[j]!=0&&a[i]==c[j]){
24 c[j]=2*a[i];
25 j++;
26 }
27 else if(a[i]!=0&&c[j]!=0&&a[i]!=c[j]){
28 j++;
29 c[j]=a[i];
30 }
31 }
32 return c;
33 }
34 //该方法用于接受一个整数数组，对该数组进行drop操作后返回
35 //示例：接受 2 0 2 0 5 5，返回4 10 0 0 0 0
36 
37 public static void main(String[] args){
38 int[] a = {0,2,0,2,4,0,0,4,2,0,2,5,5,0,10};
39 int[] b = drop(a);
40 for(int i = 0;i<b.length;i++)
41 System.out.print(b[i]+",");
42 }
43 //输出结果：4，8，4，10，10，0，0，0，0，0，0，0，0，0，0，
44 
45 }

工具

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原文地址：https://www.cnblogs.com/liujinming/p/7612281.html