java代碼繪制方塊,如何生成方塊
java怎么繪制一個(gè)正方形？
可使用Graphics 的fillRect繪制正方形，代碼如下：
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import?java.awt.Color;
import?java.awt.Graphics;
import?javax.swing.JFrame;
public?class?Rect?extends?JFrame{
Rect(){
setSize(300,?300);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
}
public?void?paint(Graphics?g){
g.setColor(Color.blue);
g.drawRect(80,?80,?50,?50);
g.fillRect(150,?150,?50,?50);
}
public?static?void?main(String[]?args)?{
new?Rect();
}
}
我想用JAVA編一個(gè)俄羅斯方塊，誰能告訴我代碼？
俄羅斯方塊——java源代碼提供
import java.awt.*;
import java.awt.event.*;
//俄羅斯方塊類
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("俄羅斯方塊游戲 V1.0 Author:Vincent");
WindowListener win_listener = new WinListener();
ers.addWindowListener(win_listener);
}
//俄羅斯方塊類的構(gòu)造方法
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);
//右邊信息窗體的布局
MyPanel infoScr = new MyPanel();
infoScr.setLayout(new GridLayout(4,1,0,5));
infoScr.setSize(120,300);
rightScr.add(infoScr);
//定義標(biāo)簽和初始值
Label scorep = new Label("分?jǐn)?shù):",Label.LEFT);
Label levelp = new Label("級數(shù):",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");
//右邊控制按鈕窗體的布局
MyPanel controlScr = new MyPanel();
controlScr.setLayout(new GridLayout(5,1,0,5));
rightScr.add(controlScr);
//定義按鈕play
Button play_b = new Button("開始游戲");
play_b.setSize(new Dimension(50,200));
play_b.addActionListener(new Command(Command.button_play,gameScr));
//定義按鈕Level UP
Button level_up_b = new Button("提高級數(shù)");
level_up_b.setSize(new Dimension(50,200));
level_up_b.addActionListener(new Command(Command.button_levelup,gameScr));
//定義按鈕Level Down
Button level_down_b =new Button("降低級數(shù)");
level_down_b.setSize(new Dimension(50,200));
level_down_b.addActionListener(new Command(Command.button_leveldown,gameScr));
//定義按鈕Level Pause
Button pause_b =new Button("游戲暫停");
pause_b.setSize(new Dimension(50,200));
pause_b.addActionListener(new Command(Command.button_pause,gameScr));
//定義按鈕Quit
Button quit_b = new Button("退出游戲");
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();
}
}
//重寫MyPanel類，使Panel的四周留空間
class MyPanel extends Panel{
public Insets getInsets(){
return new Insets(30,50,30,50);
}
}
//游戲畫布類
class GameCanvas extends Canvas implements KeyListener{
final int unitSize = 30; //小方塊邊長
int rowNum; //正方格的行數(shù)
int columnNum; //正方格的列數(shù)
int maxAllowRowNum; //允許有多少行未削
int blockInitRow; //新出現(xiàn)塊的起始行坐標(biāo)
int blockInitCol; //新出現(xiàn)塊的起始列坐標(biāo)
int [][] scrArr; //屏幕數(shù)組
Block b; //對方快的引用
//畫布類的構(gòu)造方法
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，并將屏幕數(shù)組清零的方法
void initScr(){
for(int i=0;irowNum;i++)
for (int j=0; jcolumnNum;j++)
scrArr[j]=0;
b.reset();
repaint();
}
//重新刷新畫布方法
public void paint(Graphics g){
for(int i = 0; i rowNum; i++)
for(int j = 0; j columnNum; j++)
drawUnit(i,j,scrArr[j]);
}
//畫方塊的方法
public void drawUnit(int row,int col,int type){
scrArr[row][col] = type;
Graphics g = getGraphics();
tch(type){ //表示畫方快的方法
case 0: g.setColor(Color.black);break; //以背景為顏色畫
case 1: g.setColor(Color.blue);break; //畫正在下落的方塊
case 2: g.setColor(Color.magenta);break; //畫已經(jīng)落下的方法
}
g.fill3DRect(col*unitSize,getSize().height-(row+1)*unitSize,unitSize,unitSize,true);
g.dispose();
}
public Block getBlock(){
return b; //返回block實(shí)例的引用
}
//返回屏幕數(shù)組中(row,col)位置的屬性值
public int getScrArrXY(int row,int col){
if (row 0 || row = rowNum || col 0 || col = columnNum)
return(-1);
else
return(scrArr[row][col]);
}
//返回新塊的初始行坐標(biāo)方法
public int getInitRow(){
return(blockInitRow); //返回新塊的初始行坐標(biāo)
}
//返回新塊的初始列坐標(biāo)方法
public int getInitCol(){
return(blockInitCol); //返回新塊的初始列坐標(biāo)
}
//滿行刪除方法
void deleteFullLine(){
int full_line_num = 0;
int k = 0;
for (int i=0;irowNum;i++){
boolean isfull = true;
L1:for(int j=0;jcolumnNum;j++)
if(scrArr[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[j] == 0)
drawUnit(k-1,j,0);
else
drawUnit(k-1,j,2);
scrArr[k-1][j] = scrArr[j];
}
}
for(int i = k-1 ;i rowNum; i++){
for(int j = 0; j columnNum; j++){
drawUnit(i,j,0);
scrArr[j]=0;
}
}
ERS_Block.score += full_line_num;
ERS_Block.scoreField.setText(""+ERS_Block.score);
}
//判斷游戲是否結(jié)束方法
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){
}
//處理鍵盤輸入的方法
public void keyPressed(KeyEvent e){
if(!ERS_Block.isPlay)
return;
tch(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;
}
}
}
//處理控制類
class Command implements ActionListener{
static final int button_play = 1; //給按鈕分配編號(hào)
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; //當(dāng)前按鈕
GameCanvas scr;
//控制按鈕類的構(gòu)造方法
Command(int button,GameCanvas scr){
curButton = button;
this.scr=scr;
}
//按鈕執(zhí)行方法
public void actionPerformed (ActionEvent e){
tch(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);
}
}
}
//方塊類
class Block {
static int[][] pattern = {
{0x0f00,0x4444,0x0f00,0x4444},//用十六進(jìn)至表示，本行表示長條四種狀態(tài)
{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; //塊的模式號(hào)（0-6）
int turnState; //塊的翻轉(zhuǎn)狀態(tài)（0-3）
int blockState; //快的下落狀態(tài)
int row,col; //塊在畫布上的坐標(biāo)
GameCanvas scr;
//塊類的構(gòu)造方法
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();
}
//重新初始化塊，并顯示新塊
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);
}
//實(shí)現(xiàn)“塊”翻轉(zhuǎn)的方法
public void leftTurn(){
if(assertValid(blockType,(turnState + 1)%4,row,col)){
dispBlock(0);
turnState = (turnState + 1)%4;
dispBlock(1);
}
}
//實(shí)現(xiàn)“塊”的左移的方法
public void leftMove(){
if(assertValid(blockType,turnState,row,col-1)){
dispBlock(0);
col--;
dispBlock(1);
}
}
//實(shí)現(xiàn)塊的右移
public void rightMove(){
if(assertValid(blockType,turnState,row,col+1)){
dispBlock(0);
col++;
dispBlock(1);
}
}
//實(shí)現(xiàn)塊落下的操作的方法
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);
}
}
//判斷是否正確的方法
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 (temp0||temp==2)
return false;
}
k = k 1;
}
}
return true;
}
//同步顯示的方法
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=k1;
}
}
}
}
//定時(shí)線程
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();
}else
scr.getBlock().reset();
}
}
}
}
class WinListener extends WindowAdapter{
public void windowClosing (WindowEvent l){
System.exit(0);
}
}
------------------
有機(jī)會(huì)一起學(xué)習(xí)~
如何用java編寫出一個(gè)俄羅斯方塊小程序？
package?com.test.games;
import?java.awt.Graphics;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?java.awt.event.KeyEvent;
import?java.awt.event.KeyListener;
import?javax.swing.JFrame;
import?javax.swing.JMenu;
import?javax.swing.JMenuBar;
import?javax.swing.JMenuItem;
import?javax.swing.JOptionPane;
import?javax.swing.JPanel;
import?javax.swing.Timer;
public?class?Tetris?extends?JFrame?{
public?Tetris()?{
Tetrisblok?a?=?new?Tetrisblok();
addKeyListener(a);
add(a);
}
public?static?void?main(String[]?args)?{
Tetris?frame?=?new?Tetris();
JMenuBar?menu?=?new?JMenuBar();
frame.setJMenuBar(menu);
JMenu?game?=?new?JMenu("游戲");
JMenuItem?newgame?=?game.add("新游戲");
JMenuItem?pause?=?game.add("暫停");
JMenuItem?goon?=?game.add("繼續(xù)");
JMenuItem?exit?=?game.add("退出");
JMenu?help?=?new?JMenu("幫助");
JMenuItem?about?=?help.add("關(guān)于");
menu.add(game);
menu.add(help);
frame.setLocationRelativeTo(null);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(220,?275);
frame.setTitle("Tetris內(nèi)測版");
//?frame.setUndecorated(true);
frame.setVisible(true);
frame.setResizable(false);
}
}
//?創(chuàng)建一個(gè)俄羅斯方塊類
class?Tetrisblok?extends?JPanel?implements?KeyListener?{
//?blockType?代表方塊類型
//?turnState代表方塊狀態(tài)
private?int?blockType;
private?int?score?=?0;
private?int?turnState;
private?int?x;
private?int?y;
private?int?i?=?0;
int?j?=?0;
int?flag?=?0;
//?定義已經(jīng)放下的方塊x=0-11,y=0-21;
int[][]?map?=?new?int[13][23];
//?方塊的形狀?第一組代表方塊類型有S、Z、L、J、I、O、T?7種?第二組?代表旋轉(zhuǎn)幾次?第三四組為?方塊矩陣
private?final?int?shapes[][][]?=?new?int[][][]?{
//?i
{?{?0,?0,?0,?0,?1,?1,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0?},?{?0,?1,?0,?0,?0,?1,?0,?0,?0,?1,?0,?0,?0,?1,?0,?0?},
{?0,?0,?0,?0,?1,?1,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0?},
{?0,?1,?0,?0,?0,?1,?0,?0,?0,?1,?0,?0,?0,?1,?0,?0?}?},
//?s
{?{?0,?1,?1,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},?{?1,?0,?0,?0,?1,?1,?0,?0,?0,?1,?0,?0,?0,?0,?0,?0?},
{?0,?1,?1,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?1,?0,?0,?0,?1,?1,?0,?0,?0,?1,?0,?0,?0,?0,?0,?0?}?},
//?z
{?{?1,?1,?0,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0?},?{?0,?1,?0,?0,?1,?1,?0,?0,?1,?0,?0,?0,?0,?0,?0,?0?},
{?1,?1,?0,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?0,?1,?0,?0,?1,?1,?0,?0,?1,?0,?0,?0,?0,?0,?0,?0?}?},
//?j
{?{?0,?1,?0,?0,?0,?1,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0?},?{?1,?0,?0,?0,?1,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?1,?1,?0,?0,?1,?0,?0,?0,?1,?0,?0,?0,?0,?0,?0,?0?},
{?1,?1,?1,?0,?0,?0,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0?}?},
//?o
{?{?1,?1,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},?{?1,?1,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?1,?1,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?1,?1,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?}?},
//?l
{?{?1,?0,?0,?0,?1,?0,?0,?0,?1,?1,?0,?0,?0,?0,?0,?0?},?{?1,?1,?1,?0,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?1,?1,?0,?0,?0,?1,?0,?0,?0,?1,?0,?0,?0,?0,?0,?0?},
{?0,?0,?1,?0,?1,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0?}?},
//?t
{?{?0,?1,?0,?0,?1,?1,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0?},?{?0,?1,?0,?0,?1,?1,?0,?0,?0,?1,?0,?0,?0,?0,?0,?0?},
{?1,?1,?1,?0,?0,?1,?0,?0,?0,?0,?0,?0,?0,?0,?0,?0?},
{?0,?1,?0,?0,?0,?1,?1,?0,?0,?1,?0,?0,?0,?0,?0,?0?}?}?};
//?生成新方塊的方法
public?void?newblock()?{
blockType?=?(int)?(Math.random()?*?1000)?%?7;
turnState?=?(int)?(Math.random()?*?1000)?%?4;
x?=?4;
y?=?0;
if?(gameover(x,?y)?==?1)?{
newmap();
drawwall();
score?=?0;
JOptionPane.showMessageDialog(null,?"GAME?OVER");
}
}
//?畫圍墻
public?void?drawwall()?{
for?(i?=?0;?i??12;?i++)?{
map[i][21]?=?2;
}
for?(j?=?0;?j??22;?j++)?{
map[11][j]?=?2;
map[0][j]?=?2;
}
}
//?初始化地圖
public?void?newmap()?{
for?(i?=?0;?i??12;?i++)?{
for?(j?=?0;?j??22;?j++)?{
map[i][j]?=?0;
}
}
}
//?初始化構(gòu)造方法
Tetrisblok()?{
newblock();
newmap();
drawwall();
Timer?timer?=?new?Timer(1000,?new?TimerListener());
timer.start();
}
//?旋轉(zhuǎn)的方法
public?void?turn()?{
int?tempturnState?=?turnState;
turnState?=?(turnState?+?1)?%?4;
if?(blow(x,?y,?blockType,?turnState)?==?1)?{
}
if?(blow(x,?y,?blockType,?turnState)?==?0)?{
turnState?=?tempturnState;
}
repaint();
}
//?左移的方法
public?void?left()?{
if?(blow(x?-?1,?y,?blockType,?turnState)?==?1)?{
x?=?x?-?1;
}
;
repaint();
}
//?右移的方法
public?void?right()?{
if?(blow(x?+?1,?y,?blockType,?turnState)?==?1)?{
x?=?x?+?1;
}
;
repaint();
}
//?下落的方法
public?void?down()?{
if?(blow(x,?y?+?1,?blockType,?turnState)?==?1)?{
y?=?y?+?1;
delline();
}
;
if?(blow(x,?y?+?1,?blockType,?turnState)?==?0)?{
add(x,?y,?blockType,?turnState);
newblock();
delline();
}
;
repaint();
}
//?是否合法的方法
public?int?blow(int?x,?int?y,?int?blockType,?int?turnState)?{
for?(int?a?=?0;?a??4;?a++)?{
for?(int?b?=?0;?b??4;?b++)?{
if?(((shapes[blockType][turnState][a?*?4?+?b]?==?1)??(map[x?+?b?+?1][y?+?a]?==?1))
||?((shapes[blockType][turnState][a?*?4?+?b]?==?1)??(map[x?+?b?+?1][y?+?a]?==?2)))?{
return?0;
}
}
}
return?1;
}
//?消行的方法
public?void?delline()?{
int?c?=?0;
for?(int?b?=?0;?b??22;?b++)?{
for?(int?a?=?0;?a??12;?a++)?{
if?(map[a][b]?==?1)?{
c?=?c?+?1;
if?(c?==?10)?{
score?+=?10;
for?(int?d?=?b;?d??0;?d--)?{
for?(int?e?=?0;?e??11;?e++)?{
map[e][d]?=?map[e][d?-?1];
}
}
}
}
}
c?=?0;
}
}
//?判斷你掛的方法
public?int?gameover(int?x,?int?y)?{
if?(blow(x,?y,?blockType,?turnState)?==?0)?{
return?1;
}
return?0;
}
//?把當(dāng)前添加map
public?void?add(int?x,?int?y,?int?blockType,?int?turnState)?{
int?j?=?0;
for?(int?a?=?0;?a??4;?a++)?{
for?(int?b?=?0;?b??4;?b++)?{
if?(map[x?+?b?+?1][y?+?a]?==?0)?{
map[x?+?b?+?1][y?+?a]?=?shapes[blockType][turnState][j];
}
;
j++;
}
}
}
//?畫方塊的的方法
public?void?paintComponent(Graphics?g)?{
super.paintComponent(g);
//?畫當(dāng)前方塊
for?(j?=?0;?j??16;?j++)?{
if?(shapes[blockType][turnState][j]?==?1)?{
g.fillRect((j?%?4?+?x?+?1)?*?10,?(j?/?4?+?y)?*?10,?10,?10);
}
}
//?畫已經(jīng)固定的方塊
for?(j?=?0;?j??22;?j++)?{
for?(i?=?0;?i??12;?i++)?{
if?(map[i][j]?==?1)?{
g.fillRect(i?*?10,?j?*?10,?10,?10);
}
if?(map[i][j]?==?2)?{
g.drawRect(i?*?10,?j?*?10,?10,?10);
}
}
}
g.drawString("score="?+?score,?125,?10);
g.drawString("抵制不良游戲，",?125,?110);
g.drawString("拒絕盜版游戲。",?125,?170);
// g.drawString("注意自我保護(hù)，",?125,?90);
// g.drawString("謹(jǐn)防受騙上當(dāng)。",?125,?110);
// g.drawString("適度游戲益腦，",?125,?130);
// g.drawString("沉迷游戲傷身。",?125,?150);
// g.drawString("合理安排時(shí)間，",?125,?170);
// g.drawString("享受健康生活。",?125,?190);
}
//?鍵盤監(jiān)聽
public?void?keyPressed(KeyEvent?e)?{
switch?(e.getKeyCode())?{
case?KeyEvent.VK_DOWN:
down();
break;
case?KeyEvent.VK_UP:
turn();
break;
case?KeyEvent.VK_RIGHT:
right();
break;
case?KeyEvent.VK_LEFT:
left();
break;
}
}
//?無用
public?void?keyReleased(KeyEvent?e)?{
}
//?無用
public?void?keyTyped(KeyEvent?e)?{
}
//?定時(shí)器監(jiān)聽
class?TimerListener?implements?ActionListener?{
public?void?actionPerformed(ActionEvent?e)?{
repaint();
if?(blow(x,?y?+?1,?blockType,?turnState)?==?1)?{
y?=?y?+?1;
delline();
}
;
if?(blow(x,?y?+?1,?blockType,?turnState)?==?0)?{
if?(flag?==?1)?{
add(x,?y,?blockType,?turnState);
delline();
newblock();
flag?=?0;
}
flag?=?1;
}
;
}
}
}
java的俄羅斯方塊代碼及詳細(xì)解答和設(shè)計(jì)思想
import java.awt.*;
import java.awt.event.*;
//俄羅斯方塊類
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("俄羅斯方塊游戲 V1.0 Author:Vincent");
WindowListener win_listener = new WinListener();
ers.addWindowListener(win_listener);
}
//俄羅斯方塊類的構(gòu)造方法
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);
//右邊信息窗體的布局
MyPanel infoScr = new MyPanel();
infoScr.setLayout(new GridLayout(4,1,0,5));
infoScr.setSize(120,300);
rightScr.add(infoScr);
//定義標(biāo)簽和初始值
Label scorep = new Label("分?jǐn)?shù):",Label.LEFT);
Label levelp = new Label("級數(shù):",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");
//右邊控制按鈕窗體的布局
MyPanel controlScr = new MyPanel();
controlScr.setLayout(new GridLayout(5,1,0,5));
rightScr.add(controlScr);
//定義按鈕play
Button play_b = new Button("開始游戲");
play_b.setSize(new Dimension(50,200));
play_b.addActionListener(new Command(Command.button_play,gameScr));
//定義按鈕Level UP
Button level_up_b = new Button("提高級數(shù)");
level_up_b.setSize(new Dimension(50,200));
level_up_b.addActionListener(new Command(Command.button_levelup,gameScr));
//定義按鈕Level Down
Button level_down_b =new Button("降低級數(shù)");
level_down_b.setSize(new Dimension(50,200));
level_down_b.addActionListener(new Command(Command.button_leveldown,gameScr));
//定義按鈕Level Pause
Button pause_b =new Button("游戲暫停");
pause_b.setSize(new Dimension(50,200));
pause_b.addActionListener(new Command(Command.button_pause,gameScr));
//定義按鈕Quit
Button quit_b = new Button("退出游戲");
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();
}
}
//重寫MyPanel類，使Panel的四周留空間
class MyPanel extends Panel{
public Insets getInsets(){
return new Insets(30,50,30,50);
}
}
//游戲畫布類
class GameCanvas extends Canvas implements KeyListener{
final int unitSize = 30; //小方塊邊長
int rowNum; //正方格的行數(shù)
int columnNum; //正方格的列數(shù)
int maxAllowRowNum; //允許有多少行未削
int blockInitRow; //新出現(xiàn)塊的起始行坐標(biāo)
int blockInitCol; //新出現(xiàn)塊的起始列坐標(biāo)
int [][] scrArr; //屏幕數(shù)組
Block b; //對方快的引用
//畫布類的構(gòu)造方法
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，并將屏幕數(shù)組清零的方法
void initScr(){
for(int i=0;irowNum;i++)
for (int j=0; jcolumnNum;j++)
scrArr[i][j]=0;
b.reset();
repaint();
}
//重新刷新畫布方法
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]);
}
//畫方塊的方法
public void drawUnit(int row,int col,int type){
scrArr[row][col] = type;
Graphics g = getGraphics();
switch(type){ //表示畫方快的方法
case 0: g.setColor(Color.black);break; //以背景為顏色畫
case 1: g.setColor(Color.blue);break; //畫正在下落的方塊
case 2: g.setColor(Color.magenta);break; //畫已經(jīng)落下的方法
}
g.fill3DRect(col*unitSize,getSize().height-(row+1)*unitSize,unitSize,unitSize,true);
g.dispose();
}
public Block getBlock(){
return b; //返回block實(shí)例的引用
}
//返回屏幕數(shù)組中(row,col)位置的屬性值
public int getScrArrXY(int row,int col){
if (row 0 || row = rowNum || col 0 || col = columnNum)
return(-1);
else
return(scrArr[row][col]);
}
//返回新塊的初始行坐標(biāo)方法
public int getInitRow(){
return(blockInitRow); //返回新塊的初始行坐標(biāo)
}
//返回新塊的初始列坐標(biāo)方法
public int getInitCol(){
return(blockInitCol); //返回新塊的初始列坐標(biāo)
}
//滿行刪除方法
void deleteFullLine(){
int full_line_num = 0;
int k = 0;
for (int i=0;irowNum;i++){
boolean isfull = true;
L1:for(int j=0;jcolumnNum;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);
else
drawUnit(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);
}
//判斷游戲是否結(jié)束方法
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){
}
//處理鍵盤輸入的方法
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;
}
}
}
//處理控制類
class Command implements ActionListener{
static final int button_play = 1; //給按鈕分配編號(hào)
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; //當(dāng)前按鈕
GameCanvas scr;
//控制按鈕類的構(gòu)造方法
Command(int button,GameCanvas scr){
curButton = button;
this.scr=scr;
}
//按鈕執(zhí)行方法
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);
}
}
}
//方塊類
class Block {
static int[][] pattern = {
{0x0f00,0x4444,0x0f00,0x4444},//用十六進(jìn)至表示，本行表示長條四種狀態(tài)
{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; //塊的模式號(hào)（0-6）
int turnState; //塊的翻轉(zhuǎn)狀態(tài)（0-3）
int blockState; //快的下落狀態(tài)
int row,col; //塊在畫布上的坐標(biāo)
GameCanvas scr;
//塊類的構(gòu)造方法
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();
}
//重新初始化塊，并顯示新塊
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);
}
//實(shí)現(xiàn)“塊”翻轉(zhuǎn)的方法
public void leftTurn(){
if(assertValid(blockType,(turnState + 1)%4,row,col)){
dispBlock(0);
turnState = (turnState + 1)%4;
dispBlock(1);
}
}
//實(shí)現(xiàn)“塊”的左移的方法
public void leftMove(){
if(assertValid(blockType,turnState,row,col-1)){
dispBlock(0);
col--;
dispBlock(1);
}
}
//實(shí)現(xiàn)塊的右移
public void rightMove(){
if(assertValid(blockType,turnState,row,col+1)){
dispBlock(0);
col++;
dispBlock(1);
}
}
//實(shí)現(xiàn)塊落下的操作的方法
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);
}
}
//判斷是否正確的方法
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 (temp0||temp==2)
return false;
}
k = k 1;
}
}
return true;
}
//同步顯示的方法
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=k1;
}
}
}
}
//定時(shí)線程
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();
}else
scr.getBlock().reset();
}
}
}
}
class WinListener extends WindowAdapter{
public void windowClosing (WindowEvent l){
System.exit(0);
}
}
寫一個(gè)java程序，使其畫一個(gè)正方形并改變它的顏色（每秒鐘改變一次）。求完整代碼謝謝
按照你的要求,編寫的Java程序如下
import?java.awt.Color;
import?java.awt.Graphics;
import?javax.swing.JFrame;
public?class?F?extends?JFrame?implements?Runnable{
Color[]?colors?=?{Color.red,Color.orange,Color.yellow,Color.green,Color.cyan,Color.blue,Color.magenta,Color.black};??
int?i=0;
F(){
setTitle("變色正方形");
setSize(400,?400);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
setVisible(true);
}
public?void?paint(Graphics?g){
g.setColor(colors[i]);
g.drawRect(100,100,200,200);
}
@Override
public?void?run()?{
while(true){
try?{
Thread.sleep(1000);
}?catch?(InterruptedException?e)?{
e.printStackTrace();
}
if(i7)
i++;
else
i=0;
repaint();
}
}
public?static?void?main(String[]?args)?{
F?f=new?F();
Thread?t=new?Thread(f);
t.start();
}
}
運(yùn)行結(jié)果
新聞名稱：java代碼繪制方塊,如何生成方塊
轉(zhuǎn)載來于：http://m.jiaotiyi.com/article/phicpd.html