java 小程序俄罗斯方块
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package com.my.practice;import java.awt.Button;import java.awt.Canvas;import java.awt.Color;import java.awt.Dimension;import java.awt.Frame;import java.awt.Graphics;import java.awt.GridLayout;import java.awt.Insets;import bel;import java.awt.Panel;import java.awt.TextField;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;//俄罗斯块类public class ERS_Block extends Frame {public static boolean isPlay = false;public static int level = 1, score = 0;public static TextField scoreField, levelField;public static MyTimer timer;GameCanvas gameScr;public static void main(String[] argus) {ERS_Block ers = new ERS_Block("俄罗斯块游戏V1.0 Author:Vincent");WindowListener win_listener = new WinListener();ers.addWindowListener(win_listener);}// 俄罗斯块类构造ERS_Block(String title) {super(title);setSize(600, 480);setLayout(new GridLayout(1, 2));gameScr = new GameCanvas();gameScr.addKeyListener(gameScr);timer = new MyTimer(gameScr);timer.setDaemon(true);timer.start();timer.suspend();add(gameScr);Panel rightScr = new Panel();rightScr.setLayout(new GridLayout(2, 1, 0, 30)); rightScr.setSize(120, 500);add(rightScr);// 右边信息窗体布局MyPanel infoScr = new MyPanel();infoScr.setLayout(new GridLayout(4, 1, 0, 5)); infoScr.setSize(120, 300);rightScr.add(infoScr);// 定义标签初始值Label scorep = new Label("数:", Label.LEFT); Label levelp = new Label("级数:", Label.LEFT); scoreField = new TextField(8);levelField = new TextField(8);scoreField.setEditable(false);levelField.setEditable(false);infoScr.add(scorep);infoScr.add(scoreField);infoScr.add(levelp);infoScr.add(levelField);scorep.setSize(new Dimension(20, 60)); scoreField.setSize(new Dimension(20, 60)); levelp.setSize(new Dimension(20, 60)); levelField.setSize(new Dimension(20, 60)); scoreField.setText("0");levelField.setText("1");// 右边控制按钮窗体布局MyPanel controlScr = new MyPanel(); controlScr.setLayout(new GridLayout(5, 1, 0, 5)); rightScr.add(controlScr);// 定义按钮playButton play_b = new Button("开始游戏");play_b.setSize(new Dimension(50, 200));play_b.addActionListener(new Command(Command.button_play, gameScr));// 定义按钮Level UPButton level_up_b = new Button("提高级数");level_up_b.setSize(new Dimension(50, 200));level_up_b.addActionListener(new Command(Command.button_levelup,gameScr));// 定义按钮Level DownButton level_down_b = new Button("降低级数");level_down_b.setSize(new Dimension(50, 200));level_down_b.addActionListener(new Command(Command.button_leveldown, gameScr));// 定义按钮Level PauseButton pause_b = new Button("游戏暂停");pause_b.setSize(new Dimension(50, 200));pause_b.addActionListener(new Command(Command.button_pause, gameScr));// 定义按钮QuitButton quit_b = new Button("退游戏");quit_b.setSize(new Dimension(50, 200));quit_b.addActionListener(new Command(Command.button_quit, gameScr));controlScr.add(play_b);controlScr.add(level_up_b);controlScr.add(level_down_b);controlScr.add(pause_b);controlScr.add(quit_b);setVisible(true);gameScr.requestFocus();}}// 重写MyPanel类使Panel四周留空间class MyPanel extends Panel {public Insets getInsets() {return new Insets(30, 50, 30, 50);}}// 游戏画布类class GameCanvas extends Canvas implements KeyListener {final int unitSize = 30; // 块边int rowNum; // 格行数int columnNum; // 格列数int maxAllowRowNum; // 允许少行未削int blockInitRow; // 新现块起始行坐标int blockInitCol; // 新现块起始列坐标int[][] scrArr; // 屏幕数组Block b; // 快引用// 画布类构造GameCanvas() {rowNum = 15;columnNum = 10;maxAllowRowNum = rowNum - 2;b = new Block(this);blockInitRow = rowNum - 1;blockInitCol = columnNum / 2 - 2;scrArr = new int[32][32];}// 初始化屏幕并屏幕数组清零void initScr() {for (int i = 0; i < rowNum; i++)for (int j = 0; j < columnNum; j++)scrArr[i][j] = 0;b.reset();repaint();}// 重新刷新画布public void paint(Graphics g) {for (int i = 0; i < rowNum; i++)for (int j = 0; j < columnNum; j++)drawUnit(i, j, scrArr[i][j]);}// 画块public void drawUnit(int row,int col,int type){scrArr[row][col] = type;Graphics g = getGraphics();switch(type){ //表示画快case 0: g.setColor(Color.black);break; //背景颜色画case 1: g.setColor(Color.blue);break; //画落块case 2: g.setColor(Color.magenta);break; //画已经落} ;g.fill3DRect(col*unitSize,getSize().height-(row+1)*unitSize,unitSize,unitSize,true);g.dispose();}public Block getBlock() {return b; // 返block实例引用}// 返屏幕数组(row,col)位置属性值public int getScrArrXY(int row, int col) {if (row < 0 || row >= rowNum || col < 0 || col >= columnNum)return (-1);elsereturn (scrArr[row][col]);}// 返新块初始行坐标public int getInitRow() {return (blockInitRow); // 返新块初始行坐标}// 返新块初始列坐标public int getInitCol() {return (blockInitCol); // 返新块初始列坐标}// 满行删除void deleteFullLine() {int full_line_num = 0;int k = 0;for (int i = 0; i < rowNum; i++) {boolean isfull = true;L1: for (int j = 0; j < columnNum; j++)if (scrArr[i][j] == 0) {k++;isfull = false;break L1;}if (isfull)full_line_num++;if (k != 0 && k - 1 != i && !isfull)for (int j = 0; j < columnNum; j++) {if (scrArr[i][j] == 0)drawUnit(k - 1, j, 0);elsedrawUnit(k - 1, j, 2);scrArr[k - 1][j] = scrArr[i][j];}}for (int i = k - 1; i < rowNum; i++) {for (int j = 0; j < columnNum; j++) {drawUnit(i, j, 0);scrArr[i][j] = 0;}}ERS_Block.score += full_line_num;ERS_Block.scoreField.setText("" + ERS_Block.score);}// 判断游戏否结束boolean isGameEnd() {for (int col = 0; col < columnNum; col++) {if (scrArr[maxAllowRowNum][col] != 0)return true;}return false;}public void keyTyped(KeyEvent e) {}public void keyReleased(KeyEvent e) {}// 处理键盘输入public void keyPressed(KeyEvent e){if(!ERS_Block.isPlay)return;switch(e.getKeyCode()){case KeyEvent.VK_DOWN:b.fallDown();break;case KeyEvent.VK_LEFT:b.leftMove();break;case KeyEvent.VK_RIGHT:b.rightMove();break;case KeyEvent.VK_SPACE:b.leftTurn();break;}}}// 处理控制类class Command implements ActionListener {static final int button_play = 1; // 给按钮配编号static final int button_levelup = 2;static final int button_leveldown = 3;static final int button_quit = 4;static final int button_pause = 5;static boolean pause_resume = true;int curButton; // 前按钮GameCanvas scr;// 控制按钮类构造Command(int button, GameCanvas scr) {curButton = button;this.scr = scr;}// 按钮执行public void actionPerformed (ActionEvent e){switch(curButton){case button_play:if(!ERS_Block.isPlay){scr.initScr();ERS_Block.isPlay = true;ERS_Block.score = 0;ERS_Block.scoreField.setText("0");ERS_Block.timer.resume();}scr.requestFocus();break;case button_levelup:if(ERS_Block.level < 10){ERS_Block.level++;ERS_Block.levelField.setText(""+ERS_Block.level);ERS_Block.score = 0;ERS_Block.scoreField.setText(""+ERS_Block.score);}scr.requestFocus();break;case button_leveldown:if(ERS_Block.level > 1){ERS_Block.level--;ERS_Block.levelField.setText(""+ERS_Block.level);ERS_Block.score = 0;ERS_Block.scoreField.setText(""+ERS_Block.score);}scr.requestFocus();break;case button_pause:if(pause_resume){ERS_Block.timer.suspend();pause_resume = false;}else{ERS_Block.timer.resume();pause_resume = true;}scr.requestFocus();break;case button_quit:System.exit(0);}}}// 块类class Block {static int[][] pattern = {{ 0x0f00, 0x4444, 0x0f00, 0x4444 },// 用十六进至表示本行表示条四种状态{ 0x04e0, 0x0464, 0x00e4, 0x04c4 },{ 0x4620, 0x6c00, 0x4620, 0x6c00 },{ 0x2640, 0xc600, 0x2640, 0xc600 },{ 0x6220, 0x1700, 0x2230, 0x0740 },{ 0x6440, 0x0e20, 0x44c0, 0x8e00 },{ 0x0660, 0x0660, 0x0660, 0x0660 } };int blockType; // 块模式号（0-6）int turnState; // 块翻转状态（0-3）int blockState; // 快落状态int row, col; // 块画布坐标GameCanvas scr;// 块类构造Block(GameCanvas scr) {this.scr = scr;blockType = (int) (Math.random() * 1000) % 7;turnState = (int) (Math.random() * 1000) % 4;blockState = 1;row = scr.getInitRow();col = scr.getInitCol();}// 重新初始化块并显示新块public void reset() {blockType = (int) (Math.random() * 1000) % 7;turnState = (int) (Math.random() * 1000) % 4;blockState = 1;row = scr.getInitRow();col = scr.getInitCol();dispBlock(1);}// 实现块翻转public void leftTurn() {if (assertValid(blockType, (turnState + 1) % 4, row, col)) { dispBlock(0);turnState = (turnState + 1) % 4;dispBlock(1);}}// 实现块左移public void leftMove() {if (assertValid(blockType, turnState, row, col - 1)) {dispBlock(0);col--;dispBlock(1);}}// 实现块右移public void rightMove() {if (assertValid(blockType, turnState, row, col + 1)) {dispBlock(0);col++;dispBlock(1);}}// 实现块落操作public boolean fallDown() {if (blockState == 2)return (false);if (assertValid(blockType, turnState, row - 1, col)) {dispBlock(0);row--;dispBlock(1);return (true);} else {blockState = 2;dispBlock(2);return (false);}}// 判断否确boolean assertValid(int t, int s, int row, int col) {int k = 0x8000;for (int i = 0; i < 4; i++) {for (int j = 0; j < 4; j++) {if ((int) (pattern[t][s] & k) != 0) {int temp = scr.getScrArrXY(row - i, col + j);if (temp < 0 || temp == 2)return false;}k = k >> 1;}}return true;}// 同步显示public synchronized void dispBlock(int s) {int k = 0x8000;for (int i = 0; i < 4; i++) {for (int j = 0; j < 4; j++) {if (((int) pattern[blockType][turnState] & k) != 0) {scr.drawUnit(row - i, col + j, s);}k = k >> 1;}}}}// 定线程class MyTimer extends Thread {GameCanvas scr;public MyTimer(GameCanvas scr) {this.scr = scr;}public void run() {while (true) {try {sleep((10 - ERS_Block.level + 1) * 100);} catch (InterruptedException e) {}if (!scr.getBlock().fallDown()) {scr.deleteFullLine();if (scr.isGameEnd()) {ERS_Block.isPlay = false;suspend();} elsescr.getBlock().reset();}}}}class WinListener extends WindowAdapter {public void windowClosing(WindowEvent l) {System.exit(0);}}。
