java项目---2048

**Java项目——2048**

###介绍2048 是一个经典的数字游戏，玩家需要将数字滑动到相应的位置，以便合并成更大的数字。这个项目是用 Java 实现的一个简单的2048 游戏。

###依赖和环境* Java11 或以上版本* Maven 或 Gradle 构建工具（本示例使用 Maven）

###项目结构

markdownjava-2048/
src/
main/
java/
com/
example/
Java2048Game.javaGamePanel.javaTile.javaMain.javaresources/
index.htmlstyles.csspom.xml

javaimport javax.swing.*;
import java.awt.*;

public class GamePanel extends JPanel {

 private int[][] gameBoard;
 private int tileSize =100;

 public GamePanel(int size) {
 this.setPreferredSize(new Dimension(size * tileSize, size * tileSize));
 this.gameBoard = new int[size][size];
 initializeGame();
 }

 private void initializeGame() {
 for (int i =0; i < gameBoard.length; i++) {
 for (int j =0; j < gameBoard[i].length; j++) {
 gameBoard[i][j] =0;
 }
 }
 addNewTile();
 }

 private void addNewTile() {
 int randomRow = (int) (Math.random() * gameBoard.length);
 int randomCol = (int) (Math.random() * gameBoard[randomRow].length);

 if (gameBoard[randomRow][randomCol] ==0) {
 gameBoard[randomRow][randomCol] = (int) (Math.random() *4 +2);
 } else {
 addNewTile();
 }
 }

 @Override protected void paintComponent(Graphics g) {
 super.paintComponent(g);

 for (int i =0; i < gameBoard.length; i++) {
 for (int j =0; j < gameBoard[i].length; j++) {
 int value = gameBoard[i][j];

 if (value !=0) {
 g.setColor(getColor(value));
 g.fillRect(j * tileSize, i * tileSize, tileSize, tileSize);
 g.setColor(Color.WHITE);
 g.setFont(new Font("Arial", Font.BOLD,24));
 String text = Integer.toString(value);
 int textWidth = g.getFontMetrics().stringWidth(text);
 int textHeight = g.getFontMetrics().getHeight();
 g.drawString(text, j * tileSize + (tileSize - textWidth) /2, i * tileSize + tileSize - (textHeight +5));
 }
 }
 }
 }

 private Color getColor(int value) {
 switch (value) {
 case2:
 return new Color(238,228,218);
 case4:
 return new Color(237,224,200);
 case8:
 return new Color(242,177,121);
 case16:
 return new Color(245,149,99);
 case32:
 return new Color(244,123,100);
 case64:
 return new Color(237,94,91);
 case128:
 return new Color(237,204,97);
 case256:
 return new Color(242,200,74);
 case512:
 return new Color(245,205,65);
 case1024:
 return new Color(237,194,52);
 case2048:
 return new Color(237,180,46);
 default:
 return Color.BLACK;
 }
 }

 public void moveUp() {
 for (int i =0; i < gameBoard.length -1; i++) {
 for (int j =0; j < gameBoard[i].length; j++) {
 if (gameBoard[i][j] ==0) continue;
 int nextRow = i +1;
 while (nextRow < gameBoard.length && gameBoard[nextRow][j] !=0) {
 int temp = gameBoard[nextRow][j];
 gameBoard[nextRow][j] = gameBoard[i][j];
 gameBoard[i][j] = temp;
 nextRow++;
 }
 }
 }

 for (int i =0; i < gameBoard.length -1; i++) {
 for (int j =0; j < gameBoard[i].length; j++) {
 if (gameBoard[i][j] == gameBoard[i +1][j]) {
 gameBoard[i][j] *=2;
 gameBoard[i +1][j] =0;
 addNewTile();
 }
 }
 }
 }

 public void moveDown() {
 for (int i = gameBoard.length -1; i >0; i--) {
 for (int j =0; j < gameBoard[i].length; j++) {
 if (gameBoard[i][j] ==0) continue;
 int prevRow = i -1;
 while (prevRow >=0 && gameBoard[prevRow][j] !=0) {
 int temp = gameBoard[prevRow][j];
 gameBoard[prevRow][j] = gameBoard[i][j];
 gameBoard[i][j] = temp;
 prevRow--;
 }
 }
 }

 for (int i = gameBoard.length -1; i >0; i--) {
 for (int j =0; j < gameBoard[i].length; j++) {
 if (gameBoard[i][j] == gameBoard[i -1][j]) {
 gameBoard[i][j] *=2;
 gameBoard[i -1][j] =0;
 addNewTile();
 }
 }
 }
 }

 public void moveLeft() {
 for (int i =0; i < gameBoard.length; i++) {
 for (int j =0; j < gameBoard[i].length -1; j++) {
 if (gameBoard[i][j] ==0) continue;
 int nextCol = j +1;
 while (nextCol < gameBoard[i].length && gameBoard[i][nextCol] !=0) {
 int temp = gameBoard[i][nextCol];
 gameBoard[i][nextCol] = gameBoard[i][j];
 gameBoard[i][j] = temp;
 nextCol++;
 }
 }
 }

 for (int i =0; i < gameBoard.length; i++) {
 for (int j =0; j < gameBoard[i].length -1; j++) {
 if (gameBoard[i][j] == gameBoard[i][j +1]) {
 gameBoard[i][j] *=2;
 gameBoard[i][j +1] =0;
 addNewTile();
 }
 }
 }
 }

 public void moveRight() {
 for (int i =0; i < gameBoard.length; i++) {
 for (int j = gameBoard[i].length -1; j >0; j--) {
 if (gameBoard[i][j] ==0) continue;
 int prevCol = j -1;
 while (prevCol >=0 && gameBoard[i][prevCol] !=0) {
 int temp = gameBoard[i][prevCol];
 gameBoard[i][prevCol] = gameBoard[i][j];
 gameBoard[i][j] = temp;
 prevCol--;
 }
 }
 }

 for (int i =0; i < gameBoard.length; i++) {
 for (int j = gameBoard[i].length -1; j >0; j--) {
 if (gameBoard[i][j] == gameBoard[i][j -1]) {
 gameBoard[i][j] *=2;
 gameBoard[i][j -1] =0;
 addNewTile();
 }
 }
 }
 }

 public void resetGame() {
 for (int i =0; i < gameBoard.length; i++) {
 for (int j =0; j < gameBoard[i].length; j++) {
 gameBoard[i][j] =0;
 }
 }
 addNewTile();
 }

 public int[][] getGameBoard() {
 return gameBoard;
 }
}

javapublic class Tile {

 private int value;

 public Tile(int value) {
 this.value = value;
 }

 public int getValue() {
 return value;
 }

 public void setValue(int value) {
 this.value = value;
 }
}

javaimport javax.swing.*;
import java.awt.*;

public class Main {

 public static void main(String[] args) {
 JFrame frame = new JFrame("2048 Game");
 frame