java 小程序俄罗斯方块.docx

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 java.awt.Label;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 int3232;/ 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+)scrArrij = 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, scrArrij);/ 画块public void drawUnit(int row,int col,int type) scrArrrowcol = 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 = rowNum | col = columnNum)return (-1);elsereturn (scrArrrowcol);/ 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 (scrArrij = 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 (scrArrij = 0)drawUnit(k - 1, j, 0);elsedrawUnit(k - 1, j, 2);scrArrk - 1j = scrArrij;for (int i = k - 1; i rowNum; i+) for (int j = 0; j columnNum; j+) drawUnit(i, j, 0);scrArrij = 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 (scrArrmaxAllowRowNumcol != 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 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