Java实现2048小游戏（可直接运行）

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运行效果：

1.项目结构

2.代码
BaseData接口

package com.hsy.game;
import java.awt.*;
public interface BaseData {
 Font topicFont = new Font("微软雅黑", Font.BOLD, 50);
 Font scoreFont = new Font("微软雅黑", Font.BOLD, 28);
 Font normalFont = new Font("宋体", Font.PLAIN, 20);
 Font font1 = new Font("宋体", Font.BOLD, 46);
 Font font2 = new Font("宋体", Font.BOLD, 40);
 Font font3 = new Font("宋体", Font.BOLD, 34);
 Font font4 = new Font("宋体", Font.BOLD, 28);
 Font font5 = new Font("宋体", Font.BOLD, 22);
 int normalFontData = 20;
 int topicFontData = 30;
 void init();
 void showView();
}

GameView类

package com.hsy.game;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class GameView implements BaseData{
 private static final int jFrameWidth = 400;
 private static final int jFrameHeight = 530;
 private static int score = 0;
 private JFrame jFrameMain;
 private JLabel jLblTitle;
 private JLabel jLblScoreName;
 private JLabel jLblScore;
 private GameBoard gameBoard;

 private JLabel jlblTip;
 public GameView() {
  init();
 }
 @Override
 public void init() {
  jFrameMain = new JFrame("2048小游戏");
  jFrameMain.setSize(jFrameWidth, jFrameHeight);
  jFrameMain.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  jFrameMain.setLocationRelativeTo(null);
  jFrameMain.setResizable(false);
  jFrameMain.setLayout(null);
  jLblTitle = new JLabel("2048", JLabel.CENTER);
  jLblTitle.setFont(topicFont);
  jLblTitle.setForeground(Color.BLACK);
  jLblTitle.setBounds(50, 0, 150, 60);
  jFrameMain.add(jLblTitle);

  // 分数区
  jLblScoreName = new JLabel("得 分", JLabel.CENTER);
  jLblScoreName.setFont(scoreFont);
  jLblScoreName.setForeground(Color.WHITE);
  jLblScoreName.setOpaque(true);
  jLblScoreName.setBackground(Color.GRAY);
  jLblScoreName.setBounds(250, 0, 120, 30);
  jFrameMain.add(jLblScoreName);
  jLblScore = new JLabel("0", JLabel.CENTER);
  jLblScore.setFont(scoreFont);
  jLblScore.setForeground(Color.WHITE);
  jLblScore.setOpaque(true);
  jLblScore.setBackground(Color.GRAY);
  jLblScore.setBounds(250, 30, 120, 30);
  jFrameMain.add(jLblScore);
  // 说明：
  jlblTip = new JLabel("操作: ↑ ↓ ← →, 按esc键重新开始 ",
  JLabel.CENTER);
  jlblTip.setFont(normalFont);
  jlblTip.setForeground(Color.DARK_GRAY);
  jlblTip.setBounds(0, 60, 400, 40);
  jFrameMain.add(jlblTip);
  gameBoard = new GameBoard();
  gameBoard.setBounds(0, 100, 400, 400);
  gameBoard.setBackground(Color.GRAY);
  gameBoard.setFocusable(true);
  gameBoard.setLayout(new FlowLayout());
  jFrameMain.add(gameBoard);
 }
 // 游戏面板需要对键值实现侦听，
 // 这里采用内部类来继承 JPanel 类，
 // 并实现接口 KeyListener 中的 keyPressed 方法，
 // 方格是通过
 @SuppressWarnings("serial")
 class GameBoard extends JPanel implements KeyListener {
  private static final int CHECK_GAP = 10;
  private static final int CHECK_ARC = 20;
  private static final int CHECK_SIZE = 86;
  private Check[][] checks = new Check[4][4];
  private boolean isAdd = true;
  public GameBoard() {
   initGame();
   addKeyListener(this);
  }
  @Override
  public void keyPressed(KeyEvent e) {
   switch (e.getKeyCode()) {
  case KeyEvent.VK_ESCAPE:
   initGame();
   break;
  case KeyEvent.VK_LEFT:
   moveLeft();
   createCheck();
   judgeGameOver();
   break;
  case KeyEvent.VK_RIGHT:
   moveRight();
   createCheck();
   judgeGameOver();
   break;
  case KeyEvent.VK_UP:
   moveUp();
   createCheck();
   judgeGameOver();
   break;
  case KeyEvent.VK_DOWN:
   moveDown();
   createCheck();
   judgeGameOver();
   break;
  default:
   break;
   }
   repaint();
  }
  private void initGame() {
   score = 0;
   for (int indexRow = 0; indexRow < 4; indexRow++) {
  for (int indexCol = 0; indexCol < 4; indexCol++) {
   checks[indexRow][indexCol] = new Check();
  }
   }
   // 生成两个数
   isAdd = true;
   createCheck();
   isAdd = true;
   createCheck();
  }
  private void createCheck() {
   List<Check> list = getEmptyChecks();
   if (!list.isEmpty() && isAdd) {
  Random random = new Random();
  int index = random.nextInt(list.size());
  Check check = list.get(index);
  // 2, 4出现概率3:1
  check.value = (random.nextInt(4) % 3 == 0) ? 2 : 4;
  isAdd = false;
   }
  }
  // 获取空白方格
  private List<Check> getEmptyChecks() {
   List<Check> checkList = new ArrayList<>();
   for (int i = 0; i < 4; i++) {
  for (int j = 0; j < 4; j++) {
   if (checks[i][j].value == 0) {
    checkList.add(checks[i][j]);
   }
  }
   }
   return checkList;
  }
  private boolean judgeGameOver() {
   jLblScore.setText(score + "");
   if (!getEmptyChecks().isEmpty()) {
  return false;
   }
   for (int i = 0; i < 3; i++) {
  for (int j = 0; j < 3; j++) {
   //判断是否存在可合并的方格
   if (checks[i][j].value == checks[i][j + 1].value
     || checks[i][j].value == checks[i + 1][j].value) {
    return false;
   }
  }
   }
   return true;
  }
  private boolean moveLeft() {
   for (int i = 0; i < 4; i++) {
  for (int j = 1, index = 0; j < 4; j++) {
   if (checks[i][j].value > 0) {
    if (checks[i][j].value == checks[i][index].value) {
     score += checks[i][index++].value <<= 1;
     checks[i][j].value = 0;
     isAdd = true;
    } else if (checks[i][index].value == 0) {
     checks[i][index].value = checks[i][j].value;
     checks[i][j].value = 0;
     isAdd = true;
    } else if (checks[i][++index].value == 0) {
     checks[i][index].value = checks[i][j].value;
     checks[i][j].value = 0;
     isAdd = true;
    }
   }
  }
   }
   return isAdd;
  }
  private boolean moveRight() {
   for (int i = 0; i < 4; i++) {
  for (int j = 2, index = 3; j >= 0; j--) {
   if (checks[i][j].value > 0) {
    if (checks[i][j].value == checks[i][index].value) {
     score += checks[i][index--].value <<= 1;
     checks[i][j].value = 0;
     isAdd = true;
    } else if (checks[i][index].value == 0) {
     checks[i][index].value = checks[i][j].value;
     checks[i][j].value = 0;
     isAdd = true;
    } else if (checks[i][--index].value == 0) {
     checks[i][index].value = checks[i][j].value;
     checks[i][j].value = 0;
     isAdd = true;
    }
   }
  }
   }
   return isAdd;
  }
  private boolean moveUp() {
   for (int i = 0; i < 4; i++) {
  for (int j = 1, index = 0; j < 4; j++) {
   if (checks[j][i].value > 0) {
    if (checks[j][i].value == checks[index][i].value) {
     score += checks[index++][i].value <<= 1;
     checks[j][i].value = 0;
     isAdd = true;
    } else if (checks[index][i].value == 0) {
     checks[index][i].value = checks[j][i].value;
     checks[j][i].value = 0;
     isAdd = true;
    } else if (checks[++index][i].value == 0){
     checks[index][i].value = checks[j][i].value;
     checks[j][i].value = 0;
     isAdd = true;
    }
   }
  }
   }
   return isAdd;
  }
  private boolean moveDown() {
   for (int i = 0; i < 4; i++) {
  for (int j = 2, index = 3; j >= 0; j--) {
   if (checks[j][i].value > 0) {
    if (checks[j][i].value == checks[index][i].value) {
     score += checks[index--][i].value <<= 1;
     checks[j][i].value = 0;
     isAdd = true;
    } else if (checks[index][i].value == 0) {
     checks[index][i].value = checks[j][i].value;
     checks[j][i].value = 0;
     isAdd = true;
    } else if (checks[--index][i].value == 0) {
     checks[index][i].value = checks[j][i].value;
     checks[j][i].value = 0;
     isAdd = true;
    }
   }
  }
   }
   return isAdd;
  }
  @Override
  public void paint(Graphics g) {
   super.paint(g);
   for (int i = 0; i < 4; i++) {
  for (int j = 0; j < 4; j++) {
   drawCheck(g, i, j);
  }
   }
   // GameOver
   if (judgeGameOver()) {
  g.setColor(new Color(64, 64, 64, 150));
  g.fillRect(0, 0, getWidth(), getHeight());
  g.setColor(Color.WHITE);
  g.setFont(topicFont);
  FontMetrics fms = getFontMetrics(topicFont);
  String value = "Game Over!";
  g.drawString(value,
    (getWidth()-fms.stringWidth(value)) / 2,
    getHeight() / 2);
   }
  }
  // 绘制方格
  // Graphics2D 类扩展了 Graphics 类，
  // 提供了对几何形状、坐标转换、颜色管理和文本布局更为复杂的控制
  private void drawCheck(Graphics g, int i, int j) {
   Graphics2D gg = (Graphics2D) g;
   gg.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
   RenderingHints.VALUE_ANTIALIAS_ON);
   gg.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
   RenderingHints.VALUE_STROKE_NORMALIZE);
   Check check = checks[i][j];
   gg.setColor(check.getBackground());
   // 绘制圆角
   // x - 要填充矩形的 x 坐标。
   // y - 要填充矩形的 y 坐标。
   // width - 要填充矩形的宽度。
   // height - 要填充矩形的高度。
   // arcwidth - 4 个角弧度的水平直径。
   // archeight - 4 个角弧度的垂直直径。
   gg.fillRoundRect(CHECK_GAP + (CHECK_GAP + CHECK_SIZE) * j,
   CHECK_GAP + (CHECK_GAP + CHECK_SIZE) * i,
   CHECK_SIZE, CHECK_SIZE, CHECK_ARC, CHECK_ARC);
   gg.setColor(check.getForeground());
   gg.setFont(check.getCheckFont());
   // 对文字的长宽高测量。
   FontMetrics fms = getFontMetrics(check.getCheckFont());
   String value = String.valueOf(check.value);
   //使用此图形上下文的当前颜色绘制由指定迭代器给定的文本。
   //getAscent()是FontMetrics中的一个方法，
   //它返回某字体的基线(baseline)到该字体中大多数字符的升部(ascender)之间的距离
   //getDescent 为降部
   gg.drawString(value,
   CHECK_GAP + (CHECK_GAP + CHECK_SIZE) * j +
     (CHECK_SIZE - fms.stringWidth(value)) / 2,
   CHECK_GAP + (CHECK_GAP + CHECK_SIZE) * i +
     (CHECK_SIZE - fms.getAscent() - fms.getDescent()) / 2
     + fms.getAscent());
  }
  @Override
  public void keyReleased(KeyEvent e) {
  }
  @Override
  public void keyTyped(KeyEvent e) {
  }
 }
 @Override
 public void showView() {
  jFrameMain.setVisible(true);
 }
}

Check类

package com.hsy.game;
import java.awt.Color;
import java.awt.Font;

public class Check {
 public int value;
 public Check() {
  clear();
 }
 public void clear() {
  value = 0;
 }
 public Color getForeground() {
  switch (value) {
   case 0:
  return new Color(0xcdc1b4);
   case 2:
   case 4:
  return Color.BLACK;
   default:
  return Color.WHITE;
  }
 }
 public Color getBackground() {
  switch (value) {
   case 0:
  return new Color(0xcdc1b4);
   case 2:
  return new Color(0xeee4da);
   case 4:
  return new Color(0xede0c8);
   case 8:
  return new Color(0xf2b179);
   case 16:
  return new Color(0xf59563);
   case 32:
  return new Color(0xf67c5f);
   case 64:
  return new Color(0xf65e3b);
   case 128:
  return new Color(0xedcf72);
   case 256:
  return new Color(0xedcc61);
   case 512:
  return new Color(0xedc850);
   case 1024:
  return new Color(0xedc53f);
   case 2048:
  return new Color(0xedc22e);
   case 4096:
  return new Color(0x65da92);
   case 8192:
  return new Color(0x5abc65);
   case 16384:
  return new Color(0x248c51);
   default:
  return new Color(0x248c51);
  }
 }
 public Font getCheckFont() {
  if (value < 10) {
   return BaseData.font1;
  }
  if (value < 100) {
   return BaseData.font2;
  }
  if (value < 1000) {
   return BaseData.font3;
  }
  if (value < 10000) {
   return BaseData.font4;
  }
  return BaseData.font5;
 }
}

Test类

package com.hsy.game;
public class Test {
 public static void main(String[] args) {
  new GameView().showView();
 }
}

运行Test即可
总结
到此这篇关于Java实现2048小游戏的文章就介绍到这了,更多相关Java 2048小游戏内容请搜索CodeAE代码之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持CodeAE代码之家！
原文链接：https://blog.csdn.net/qq_47436772/article/details/114123633

[Java] Java实现2048小游戏（可直接运行）

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