简单的俄罗斯方块代码（Java）
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package MyGame;/** * Created by zu on 2015/3/30. *//*整个游戏界面分为两部分，左边显示信息，右边是游戏区，是两个JPanel，它们的父窗口是MainWindowFrame。 */import java.awt.*;import java.awt.event.*;import javax.swing.*;public class MainWindowFrame extends JFrame{ public MainWindowFrame() { setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT); setResizable(false);//不可设置大小 infoPanel=new InfoPanel(); gamePanel=new GamePanel(); timer=new Timer(500,new timeActionListener());//新建一个定时器对象，每0.5s触发一次 Container contentPane=getContentPane(); contentPane.add(infoPanel,BorderLayout.WEST); contentPane.add(gamePanel,BorderLayout.CENTER); //全局键盘监控事件 Toolkit toolkit = Toolkit.getDefaultToolkit(); toolkit.addAWTEventListener(new ImplAWTEventListener(), AWTEvent.KEY_EVENT_MASK); } public static void startTimer() { timer.start(); } public static void stopTimer() { timer.stop(); } private static Timer timer; //每触发一次，方块便向下移动一格 private class timeActionListener implements ActionListener { public void actionPerformed(ActionEvent e) { gamePanel.move(DIRECTION_NONE); infoPanel.setScore(gamePanel.checkLine()); infoPanel.repaint(); } } //全局事件，用来监控键盘输入 class ImplAWTEventListener implements AWTEventListener { @Override public void eventDispatched(AWTEvent event) { if (event.getClass() == KeyEvent.class) { // 被处理的事件是键盘事件. KeyEvent keyEvent = (KeyEvent) event; if (keyEvent.getID() == KeyEvent.KEY_PRESSED) { //按下时你要做的事情 keyPressed(keyEvent); } else if (keyEvent.getID() == KeyEvent.KEY_RELEASED) { //放开时你要做的事情 keyReleased(keyEvent); } } } private void keyPressed(KeyEvent e) { int keyCode=e.getKeyCode(); if(keyCode==KeyEvent.VK_LEFT) { gamePanel.move(DIRECTION_LEFT); infoPanel.setScore(gamePanel.checkLine()); } else if(keyCode==KeyEvent.VK_RIGHT) { gamePanel.move(DIRECTION_RIGHT); infoPanel.setScore(gamePanel.checkLine()); } else if(keyCode==KeyEvent.VK_UP) { gamePanel.changePosition(); infoPanel.setScore(gamePanel.checkLine()); } else if(keyCode==KeyEvent.VK_DOWN) { gamePanel.moveToBottom(); infoPanel.setScore(gamePanel.checkLine()); } } private void keyReleased(KeyEvent event) {} } InfoPanel infoPanel; GamePanel gamePanel; private final int DEFAULT_WIDTH=550; private final int DEFAULT_HEIGHT=633; private int DIRECTION_LEFT=-1; private int DIRECTION_RIGHT=1; private int DIRECTION_NONE=0;}package MyGame;/** * Created by zu on 2015/3/30. *//*存储各种block的类，每个类都有一个getPosition方法，这个方法接受一个参考点的坐标，然后返回其他各点坐标 */public class Blocks{ public int[][] getLocation(int x,int y) { return new int[4][2]; } public void changePosition() { currentMethod++; if(currentMethod>3) currentMethod=0; } protected int currentMethod=0;}class OneBlock extends Blocks//立形{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; if(currentMethod==0) { points[1]=new int[]{x-1,y}; points[2]=new int[]{x+1,y}; points[3]=new int[]{x,y-1}; } else if(currentMethod==1) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x,y-2}; points[3]=new int[]{x-1,y-1}; } else if(currentMethod==2) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x-1,y-1}; points[3]=new int[]{x+1,y-1}; } else if(currentMethod==3) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x,y-2}; points[3]=new int[]{x+1,y-1}; } return points; }}class LeftTwoBlock extends Blocks{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; if(currentMethod==0) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x,y-2}; points[3]=new int[]{x-1,y-2}; } else if(currentMethod==1) { points[1]=new int[]{x-1,y}; points[2]=new int[]{x+1,y}; points[3]=new int[]{x+1,y-1}; } else if(currentMethod==2) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x,y-2}; points[3]=new int[]{x+1,y}; } else if(currentMethod==3) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x+1,y-1}; points[3]=new int[]{x+2,y-1}; } return points; }}class RightTwoBlock extends Blocks{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; if(currentMethod==0) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x,y-2}; points[3]=new int[]{x+1,y-2}; } else if(currentMethod==1) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x-1,y-1}; points[3]=new int[]{x-2,y-1}; } else if(currentMethod==2) { points[1]=new int[]{x-1,y}; points[2]=new int[]{x,y-1}; points[3]=new int[]{x,y-2}; } else if(currentMethod==3) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x+1,y}; points[3]=new int[]{x+2,y}; } return points; }}class LeftThreeBlock extends Blocks{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; if(currentMethod==0||currentMethod==2) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x-1,y-1}; points[3]=new int[]{x-1,y-2}; } else if(currentMethod==1||currentMethod==3) { points[1]=new int[]{x-1,y}; points[2]=new int[]{x,y-1}; points[3]=new int[]{x+1,y-1}; } return points; }}class RightThreeBlock extends Blocks{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; if(currentMethod==0||currentMethod==2) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x+1,y-1}; points[3]=new int[]{x+1,y-2}; } else if(currentMethod==1||currentMethod==3) { points[1]=new int[]{x+1,y}; points[2]=new int[]{x,y-1}; points[3]=new int[]{x-1,y-1}; } return points; }}class FourBlock extends Blocks{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; points[1]=new int[]{x+1,y}; points[2]=new int[]{x,y-1}; points[3]=new int[]{x+1,y-1}; return points; }}class FiveBlock extends Blocks{ public int[][] getLocation(int x,int y) { int[][] points=new int[4][2]; points[0]=new int[]{x,y}; if(currentMethod==0||currentMethod==2) { points[1]=new int[]{x,y-1}; points[2]=new int[]{x,y-2}; points[3]=new int[]{x,y-3}; } else if(currentMethod==1||currentMethod==3) { points[1]=new int[]{x+1,y}; points[2]=new int[]{x+2,y}; points[3]=new int[]{x-1,y}; } return points; }}package MyGame;/** * Created by zu on 2015/3/30. *//*用来显示游戏信息的，还包含一个next显示面板 */import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.awt.geom.*;public class InfoPanel extends JPanel{ public InfoPanel() { setBounds(POSITION_X,POSITION_Y,WIDTH,HEIGHT); setLayout(new GridLayout(6,1)); JLabel nextLabel=new JLabel("Next"); nextLabel.setFont(new Font("Serif",Font.BOLD,30)); JLabel scoreLabel=new JLabel("Score"); scoreLabel.setFont(new Font("Serif",Font.BOLD,30)); //显示分数的面板 displayScoreLabel.setFont(new Font("Serif",Font.BOLD,30)); //开始按钮 JButton startButton=new JButton("Start"); startButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { MainWindowFrame.startTimer(); } }); //暂停按钮 JButton pauseButton=new JButton("Pause"); pauseButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { MainWindowFrame.stopTimer(); } }); //重新开始按钮 JButton restartButton=new JButton("Restart"); restartButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { GamePanel.resetGamePanel(); score=0; setScore(0); } }); JPanel buttonPanel1=new JPanel(); buttonPanel1.add(startButton); buttonPanel1.add(pauseButton); JPanel buttonPanel2=new JPanel(); buttonPanel2.add(restartButton); add(nextLabel); add(nextPaintPanel); add(scoreLabel); add(displayScoreLabel); add(buttonPanel1); add(buttonPanel2); } //设置分数 public void setScore(int s) { score+=s*100; displayScoreLabel.setText(String.valueOf(score)); } private final int POSITION_X=0; private final int POSITION_Y=0; private final int WIDTH=200; private final int HEIGHT=600; private JLabel displayScoreLabel=new JLabel("0"); private int score=0; private paintPanel nextPaintPanel=new paintPanel();}//显示next的面板class paintPanel extends JPanel{ public paintPanel() { nextBlock=getNextBlock(); } public void paintComponent(Graphics g) { super.paintComponent(g); Graphics2D g2=(Graphics2D)g; int[][] locations=nextBlock.getLocation(4,4); g2.setPaint(Color.BLUE); for(int i=0;i<4;i++) { Rectangle2D rectangle=new Rectangle2D.Double(locations[i][0]*POINT_DISTANCE-1,locations[i][1]*POINT_DISTANCE-1,BLOCK_WIDTH,BLOCK_HEIGHT); g2.fill(rectangle); } } //获得下一个block的方法 private static Blocks getNextBlock() { int i=(int)(Math.random()*7); if(i==0) nextBlock=new OneBlock(); else if(i==1) nextBlock=new LeftTwoBlock(); else if(i==2) nextBlock=new RightTwoBlock(); else if(i==3) nextBlock=new LeftThreeBlock(); else if(i==4) nextBlock=new RightThreeBlock(); else if(i==5) nextBlock=new FourBlock(); else if(i==6) nextBlock=new FiveBlock(); return nextBlock; } //向GamePanel传递block的方法 public static Blocks getBlock() { Blocks temp=nextBlock; nextBlock=getNextBlock(); return temp; } private static Blocks nextBlock; private final double BLOCK_WIDTH=10; private final double BLOCK_HEIGHT=10; private final double POINT_DISTANCE=12;}package MyGame;/** * Created by zu on 2015/3/30. */import java.awt.*;import java.awt.geom.Rectangle2D;import javax.swing.*;public class GamePanel extends JPanel{ public GamePanel() { for(int i=0;i<20;i++) { for(int j=0;j<30;j++) grid[i][j]=0; } setBackground(Color.BLACK);//黑色背景 currentBlock=paintPanel.getBlock(); currentLocation[0]=9; currentLocation[1]=0; locations=currentBlock.getLocation(currentLocation[0], currentLocation[1]); flag=false; } public void paintComponent(Graphics g)//绘制游戏区 { super.paintComponent(g); Graphics2D g2=(Graphics2D)g; g2.setPaint(Color.BLUE);//蓝色方块 for(int i=0;i<20;i++)//将grid里所有为1的区域都绘制正方形 { for(int j=0;j<30;j++) { if(grid[i][j]==1) { Rectangle2D rectangle=new Rectangle2D.Double(i*POINT_DISTANCE-1,j*POINT_DISTANCE-1,BLOCK_WIDTH,BLOCK_HEIGHT); g2.fill(rectangle); } } } //然后再将当前方块对象绘制在游戏区 for(int i=0;i<4;i++) { if(locations[i][1]>=0) { Rectangle2D rectangle=new Rectangle2D.Double(locations[i][0]*POINT_DISTANCE-1,locations[i][1]*POINT_DISTANCE-1,BLOCK_WIDTH,BLOCK_HEIGHT); g2.fill(rectangle); } } } //在游戏中移动方块的函数，是主要函数 public void move(int direction) { //flag==true，表示当前区域没有活动的对象，需要得到下一个对象 if(flag==true) { currentBlock=paintPanel.getBlock(); currentLocation[0]=9; currentLocation[1]=0; locations=currentBlock.getLocation(currentLocation[0], currentLocation[1]); flag=false; } //表示当前区域有活动的对象 //判断是否到底，如果不能再落下，那么将当前对象的块坐标添加进grid里，然后设置flag为true if(isBottom(locations)==true) { flag=true; for(int i=0;i<4;i++) { if(locations[i][1]>=0) grid[locations[i][0]][locations[i][1]]=1; } repaint(); if(checkOver()==true) { MainWindowFrame.stopTimer(); JOptionPane.showMessageDialog(null,"Game Over"); } return; } //判断是否能左右移动，如果不行，那么当前点坐标的y值不再变化，如果可以，则y值加上direction，direction=1表示右移，-1表示左移，0表示没有左右移动 if(isEdge(direction)==false) { currentLocation[0]+=direction; } if(direction==0) currentLocation[1]++; locations=currentBlock.getLocation(currentLocation[0], currentLocation[1]); repaint(); } //在按下了向下的键后，直接移到底部的函数 public void moveToBottom() { int i=0; while(isBottom(locations)==false) { i++; for(int j=0;j<4;j++) { locations[j][1]++; } } for(int j=0;j<4;j++) { if(locations[j][1]>=0) { grid[locations[j][0]][locations[j][1]]=1; } } flag=true; repaint(); } //检测是否游戏结束 public boolean checkOver() { for(int i=0;i<4;i++) { if(locations[i][1]<0) return true; } return false; } //检测是否到底 private boolean isBottom(int[][] l) { for(int i=0;i<4;i++) { if(l[i][1]>=0&&l[i][0]>=0&&l[i][0]<20) { if((l[i][1]+1)>=30||grid[l[i][0]][l[i][1]+1]==1) { return true; } } } return false; } //检测是否到达边缘 private boolean isEdge(int direction) { for(int i=0;i<4;i++) { if(locations[i][1]>=0) { if((locations[i][0]+direction)>=20||(locations[i][0]+direction)<0||grid[locations[i][0]+direction][locations[i][1]]==1) { return true; } } } return false; } //检测该行是否已满，并且进行消行处理 public int checkLine() { int lines=0; for(int i=0;i<30;i++) { int sum=0; for(int j=0;j<20;j++) { sum+=grid[j][i]; } if(sum==20) { lines++; for(int k=i;k>0;k--) { for(int h=0;h<20;h++) { grid[h][k]=grid[h][k-1]; } } for(int k=0;k<20;k++) { grid[k][0]=0; } i--; repaint(); } } return lines; } //改变方块姿态的函数，不仅要改变姿态，还要检测改变后的方块是否越界，如果越界，就要进行调整 public void changePosition() { currentBlock.changePosition(); int min=0; int max=0; locations=currentBlock.getLocation(currentLocation[0], currentLocation[1]); for(int i=0;i<4;i++) { if(min>locations[i][0]) { min=locations[i][0]; } if(max<locations[i][0]) { max=locations[i][0]; } } //System.out.println("min:"+min+" max:"+max); if(min<0) { currentLocation[0]+=(-min); } if(max>19) { currentLocation[0]-=(max-19); } locations=currentBlock.getLocation(currentLocation[0], currentLocation[1]); repaint(); } //当按下reset键的时候，重置GamePanel public static void resetGamePanel() { for(int i=0;i<30;i++) { for(int j=0;j<20;j++) { grid[j][i]=0; } } flag=true; } private static int[][] grid=new int[20][30];//用来存储游戏区数据的数组，为1表示当前格有方块,前个坐标表示x，后一个表示y，与一般的数组有点不一样 private Blocks currentBlock;//目前正在游戏区活动的方块 private int[][] locations;//当前活动方块的各个方块的坐标 private int[] currentLocation=new int[]{0,0};//当前参考点的坐标 private int BLOCK_WIDTH=18;//方块的边长 private int BLOCK_HEIGHT=18; private int POINT_DISTANCE=20;//坐标点的间距 private static boolean flag=true;//为true时，表示当前没有活动的方块}package MyGame;import javax.swing.*;/** * Created by zu on 2015/3/30. *//*整个游戏的思路：在MainWindowFrame进程里建立一个定时器对象，每0.5s触发一次定时器事件，然后用此事件驱动游戏进行。 */public class Tetris{ public static void main(String args[]) { MainWindowFrame mainWindow=new MainWindowFrame(); mainWindow.setTitle("Tetris"); mainWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); mainWindow.setVisible(true); }}所用jdk版本为1.8.0，工具为IDEA 14.0.3
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