基于JAVA SE实现俄罗斯方块小游戏.zip

package demo; import javax.imageio.ImageIO; import javax.swing.*; import java.awt.*; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; /* 编写俄罗斯方块主类 属性:需要加载的图片资源、单元格的像素值、定义游戏区域的单元格 方法： */ public class Tetris extends JPanel { //定义正在下落的四方格 private Tetromino currentOne = Tetromino.randomOne(); //定义将要下落的四方格 private Tetromino nextOne = Tetromino.randomOne(); //定义游戏区域的单元格 private Cell[][] wall = new Cell[16][8]; //单元格的像素值 private static final int CELL_SIZE = 47; //定义游戏池、当前获得游戏的分数、当前已消除的行数 int[] scorePool = {0,1,2,5,10}; private int totalScore = 0; private int totalLine = 0; //声明三种游戏状态 private static final int PLAYING = 0; private static final int PAUSE = 1; private static final int GAMEOVER = 2; //定义当前游戏状态的值 private int currentState; //定义用于显示游戏状态的变量 private String[] states = {"[P] PAUSE","[C] CONTINUE","[R] RESTART"}; //图片资源 public static BufferedImage I; public static BufferedImage J; public static BufferedImage L; public static BufferedImage O; public static BufferedImage S; public static BufferedImage T; public static BufferedImage Z; public static BufferedImage background; //加载资源 static { try { I = ImageIO.read(new File("images/I.png")); J = ImageIO.read(new File("images/J.png")); L = ImageIO.read(new File("images/L.png")); O = ImageIO.read(new File("images/O.png")); S = ImageIO.read(new File("images/S.png")); T = ImageIO.read(new File("images/T.png")); Z = ImageIO.read(new File("images/Z.png")); background = ImageIO.read(new File("images/background.png")); } catch (IOException e) { e.printStackTrace(); } } @Override public void paint(Graphics g) { g.drawImage(background, 0, 0, null); //平移坐标轴 g.translate(15, 9); paintWall(g); paintCurrentOne(g); paintNextOne(g); paintScore(g); paintGameState(g); } public void start() { currentState = PLAYING; KeyListener l = new KeyListener() { @Override public void keyTyped(KeyEvent e) { } @Override public void keyPressed(KeyEvent e) { int code = e.getKeyCode(); switch (code) { case KeyEvent.VK_DOWN: softDropAction(); //下落一格 break; case KeyEvent.VK_LEFT: toLeftAction(); //左移一格 break; case KeyEvent.VK_RIGHT: toRightAction(); //右移一格 break; case KeyEvent.VK_UP: rotateRightAction(); //顺时针旋转 break; case KeyEvent.VK_SPACE: handDropAction(); //快速下落 break; case KeyEvent.VK_P: if (currentState == PLAYING) { currentState = PAUSE; } break; case KeyEvent.VK_C: if (currentState == PAUSE) { currentState = PLAYING; } break; case KeyEvent.VK_R: //游戏重新开始 currentState = PLAYING; wall = new Cell[16][8]; currentOne = Tetromino.randomOne(); nextOne = Tetromino.randomOne(); totalLine = 0; totalScore = 0; break; } //重新绘制 repaint(); } @Override public void keyReleased(KeyEvent e) { } }; //将俄罗斯方块窗口设为焦点 this.addKeyListener(l); this.requestFocus(); while (true) { //判断当游戏状态为在游戏中(PLAYING)，每隔0.5秒下落 if (currentState == PLAYING) { try { Thread.sleep(500); } catch (InterruptedException e) { e.printStackTrace(); } //判断能否下落 if (canDrop()) { currentOne.dropMove(); } else { utils(); } } repaint(); } } //创建顺时针旋转 public void rotateRightAction() { currentOne.rotataeRight(); //判断是否越界或是否重合 if (isOutOfBound() || isCoincide()) { currentOne.rotataeLeft(); } } //四方格瞬间下落 public void handDropAction() { while (true) { //判断四方格能否下落 if (canDrop()) { currentOne.dropMove(); } else { break; } } utils(); } //按键四方格下落一次 public void softDropAction() { //判断四方格能否下落 if (canDrop()) { //当前四方格下落一格 currentOne.dropMove(); }else { utils(); } } //工具方法(将方格嵌入墙中、判断能否消行、判断游戏是否结束) public void utils() { //将方格嵌入墙中 landToWall(); //判断能否消行 destroyLine(); //判断游戏是否结束 if (isGameOver()) { currentState = GAMEOVER; }else { //当游戏没有结束时，生成新的四方格 currentOne = nextOne; nextOne = Tetromino.randomOne(); } } //将四方格嵌入墙中 public void landToWall() { Cell[] cells = currentOne.cells; for (Cell cell : cells) { int row = cell.getRow(); int col = cell.getCol(); wall[row][col] = cell; } } //判断四方格能否下落 public boolean canDrop() { Cell[] cells = currentOne.cells; for (Cell cell : cells) { int row = cell.getRow(); int col = cell.getCol(); //判断是否到达底部 if (row == wall.length - 1) { return false; } else if (wall[row + 1][col] != null) { //判断是否有方块 return false; } } return true; } //消行计分 public void destroyLine() { int line = 0; for (int i = 0; i < wall.length; i++) { if (canDestroy(i)) { line++; for(int j = i; j > 0; j--) { wall[j] = wall[j-1]; } wall[0] = new Cell[wall[i].length]; } } totalScore += scorePool[line]; totalLine += line; } //判断是否可以消行 public boolean canDestroy(int row) { for (int i = 0; i < wall[0].length; i++) { if (wall[row][i] == null) { return false; } } return true; } //判断游戏是否结束 public boolean isGameOver() { Cell[] cells = nextOne.cells; for (Cell cell : cells) { in