Java项目--俄罗斯方块
2017-07-22 09:10
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Java项目--俄罗斯方块
百度盘链接链接：http://pan.baidu.com/s/1mhQ9SYc 密码：9ujo
一、心得
二、游戏实例
游戏截图
目录结构
三、代码
1、主界面 Tetris.java1 package com.hsj.tetris;
2
3 import java.awt.Color;
4 import java.awt.Font;
5 import java.awt.Graphics;
6 import java.awt.Image;
7 import java.awt.event.KeyAdapter;
8 import java.awt.event.KeyEvent;
9 import java.util.Arrays;
10 import java.util.Timer;
11 import java.util.TimerTask;
12
13 import javax.imageio.ImageIO;
14 import javax.swing.JFrame;
15 import javax.swing.JPanel;
16 /**
17 * 俄罗斯方块游戏面板
18 *
19 */
20 public class Tetris extends JPanel {
21 /** 正在下落方块 */
22 private Tetromino tetromino;
23 /** 下一个下落方块 */
24 private Tetromino nextOne;
25 /** 行数 */
26 public static final int ROWS = 20;
27 /** 列数 */
28 public static final int COLS = 10;
29 /** 墙 */
30 private Cell[][] wall = new Cell[ROWS][COLS];
31 /** 消掉的行数 */
32 private int lines;
33 /** 分数 */
34 private int score;
35
36 public static final int CELL_SIZE = 26;
37
38 private static Image background;//背景图片
39 public static Image I;
40 public static Image J;
41 public static Image L;
42 public static Image S;
43 public static Image Z;
44 public static Image O;
45 public static Image T;
46 static{//加载静态资源的，加载图片
47 //建议将图片放到 Tetris.java 同包中!
48 //从包中加载图片对象，使用Swing API实现
49 // Toolkit toolkit = Toolkit.getDefaultToolkit();
50 // background = toolkit.getImage(
51 // Tetris.class.getResource("tetris.png"));
52 // T = toolkit.getImage(Tetris.class.getResource("T.png"));
53 // S = toolkit.getImage(Tetris.class.getResource("S.png"));
54 // Z = toolkit.getImage(Tetris.class.getResource("Z.png"));
55 // L = toolkit.getImage(Tetris.class.getResource("L.png"));
56 // J = toolkit.getImage(Tetris.class.getResource("J.png"));
57 // I = toolkit.getImage(Tetris.class.getResource("I.png"));
58 // O = toolkit.getImage(Tetris.class.getResource("O.png"));
59 //import javax.imageio.ImageIO;
60 try{
61 background = ImageIO.read(
62 Tetris.class.getResource("tetris.png"));
63 T=ImageIO.read(Tetris.class.getResource("T.png"));
64 I=ImageIO.read(Tetris.class.getResource("I.png"));
65 S=ImageIO.read(Tetris.class.getResource("S.png"));
66 Z=ImageIO.read(Tetris.class.getResource("Z.png"));
67 L=ImageIO.read(Tetris.class.getResource("L.png"));
68 J=ImageIO.read(Tetris.class.getResource("J.png"));
69 O=ImageIO.read(Tetris.class.getResource("O.png"));
70 }catch(Exception e){
71 e.printStackTrace();
72 }
73 }
74
75 public void action(){
76 //tetromino = Tetromino.randomTetromino();
77 //nextOne = Tetromino.randomTetromino();
78 //wall[19][2] = new Cell(19,2,Tetris.T);
79 startAction();
80 repaint();
81 KeyAdapter l = new KeyAdapter() {
82 public void keyPressed(KeyEvent e) {
83 int key = e.getKeyCode();
84 if(key == KeyEvent.VK_Q){
85 System.exit(0);//退出当前的Java进程
86 }
87 if(gameOver){
88 if(key==KeyEvent.VK_S){
89 startAction();
90 }
91 return;
92 }
93 //如果暂停并且按键是[C]就继续动作
94 if(pause){//pause = false
95 if(key==KeyEvent.VK_C){ continueAction(); }
96 return;
97 }
98 //否则处理其它按键
99 switch(key){
100 case KeyEvent.VK_RIGHT: moveRightAction(); break;
101 case KeyEvent.VK_LEFT: moveLeftAction(); break;
102 case KeyEvent.VK_DOWN: softDropAction() ; break;
103 case KeyEvent.VK_UP: rotateRightAction() ; break;
104 case KeyEvent.VK_Z: rotateLeftAction() ; break;
105 case KeyEvent.VK_SPACE: hardDropAction() ; break;
106 case KeyEvent.VK_P: pauseAction() ; break;
107 }
108 repaint();
109 }
110 };
111 this.requestFocus();
112 this.addKeyListener(l);
113 }
114
115 public void paint(Graphics g){
116 g.drawImage(background, 0, 0, null);//使用this 作为观察者
117 g.translate(15, 15);//平移绘图坐标系
118 paintTetromino(g);//绘制正在下落的方块
119 paintWall(g);//画墙
120 paintNextOne(g);
121 paintScore(g);
122 }
123 public static final int FONT_COLOR = 0x667799;
124 public static final int FONT_SIZE = 0x20;
125 private void paintScore(Graphics g) {
126 Font f = getFont();//获取当前的 面板默认字体
127 Font font = new Font(
128 f.getName(), Font.BOLD, FONT_SIZE);
129 int x = 290;
130 int y = 162;
131 g.setColor(new Color(FONT_COLOR));
132 g.setFont(font);
133 String str = "SCORE:"+this.score;
134 g.drawString(str, x, y);
135 y+=56;
136 str = "LINES:"+this.lines;
137 g.drawString(str, x, y);
138 y+=56;
139 str = "[P]Pause";
140 if(pause){str = "[C]Continue";}
141 if(gameOver){ str = "[S]Start!";}
142 g.drawString(str, x, y);
143 }
144
145 private void paintNextOne(Graphics g) {
146 Cell[] cells = nextOne.getCells();
147 for(int i=0; i<cells.length; i++){
148 Cell c = cells[i];
149 int x = (c.getCol()+10) * CELL_SIZE-1;
150 int y = (c.getRow()+1) * CELL_SIZE-1;
151 g.drawImage(c.getImage(), x, y, null);
152 }
153 }
154
155 private void paintTetromino(Graphics g) {
156 Cell[] cells = tetromino.getCells();
157 for(int i=0; i<cells.length; i++){
158 Cell c = cells[i];
159 int x = c.getCol() * CELL_SIZE-1;
160 int y = c.getRow() * CELL_SIZE-1;
161 //g.setColor(new Color(c.getColor()));
162 //g.fillRect(x, y, CELL_SIZE, CELL_SIZE);
163 g.drawImage(c.getImage(), x, y, null);
164 }
165 }
166
167 //在 Tetris 类 中添加 方法 paintWall
168 private void paintWall(Graphics g){
169 for(int row=0; row<wall.length; row++){
170 //迭代每一行, i = 0 1 2 ... 19
171 Cell[] line = wall[row];
172 //line.length = 10
173 for(int col=0; col<line.length; col++){
174 Cell cell = line[col];
175 int x = col*CELL_SIZE;
176 int y = row*CELL_SIZE;
177 if(cell==null){
178 //g.setColor(new Color(0));
179 //画方形
180 //g.drawRect(x, y, CELL_SIZE, CELL_SIZE);
181 }else{
182 g.drawImage(cell.getImage(), x-1, y-1, null);
183 }
184 }
185 }
186 }
187 /**
188 * 在 Tetris(俄罗斯方块) 类中增加方法
189 * 这个方法的功能是：软下落的动作 控制流程
190 * 完成功能：如果能够下落就下落，否则就着陆到墙上，
191 * 而新的方块出现并开始落下。
192 */
193 public void softDropAction(){
194 if(tetrominoCanDrop()){
195 tetromino.softDrop();
196 }else{
197 tetrominoLandToWall();
198 destroyLines();//破坏满的行
199 checkGameOver();
200 tetromino = nextOne;
201 nextOne = Tetromino.randomTetromino();
202 }
203 }
204 /** 销毁已经满的行，并且计分
205 * 1）迭代每一行
206 * 2）如果（检查）某行满是格子了 就销毁这行
207 **/
208 public void destroyLines(){
209 int lines = 0;
210 for(int row = 0; row<wall.length; row++){
211 if(fullCells(row)){
212 deleteRow(row);
213 lines++;
214 }
215 }
216 // lines = ?
217 this.lines += lines;//0 1 2 3 4
218 this.score += SCORE_TABLE[lines];
219 }
220 private static final int[] SCORE_TABLE={0,1,10,30,200};
221 // 0 1 2 3 4
222
223 public boolean fullCells(int row){
224 Cell[] line = wall[row];
225 for(int i=0; i<line.length; i++){
226 if(line[i]==null){//如果有空格式就不是满行
227 return false;
228 }
229 }
230 return true;
231 }
232 public void deleteRow(int row){
233 for(int i=row; i>=1; i--){
234 //复制 [i-1] -> [i]
235 System.arraycopy(wall[i-1], 0, wall[i], 0, COLS);
236 }
237 Arrays.fill(wall[0], null);
238 }
239
240 /** 检查当前的4格方块能否继续下落 */
241 public boolean tetrominoCanDrop(){
242 Cell[] cells = tetromino.getCells();
243 for(int i = 0; i<cells.length; i++){
244 Cell cell = cells[i];
245 int row = cell.getRow(); int col = cell.getCol();
246 if(row == ROWS-1){return false;}//到底就不能下降了
247 }
248 for(int i = 0; i<cells.length; i++){
249 Cell cell = cells[i];
250 int row = cell.getRow(); int col = cell.getCol();
251 if(wall[row+1][col] != null){
252 return false;//下方墙上有方块就不能下降了
253 }
254 }
255 return true;
256 }
257 /** 4格方块着陆到墙上 */
258 public void tetrominoLandToWall(){
259 Cell[] cells = tetromino.getCells();
260 for(int i=0; i<cells.length; i++){
261 Cell cell = cells[i];
262 int row = cell.getRow();
263 int col = cell.getCol();
264 wall[row][col] = cell;
265 }
266 }
267
268 public void moveRightAction(){
269 tetromino.moveRight();
270 if(outOfBound() || coincide()){
271 tetromino.moveLeft();
272 }
273 }
274 public void moveLeftAction(){
275 tetromino.moveLeft();
276 if(outOfBound() || coincide()){
277 tetromino.moveRight();
278 }
279 }
280 /** ... */
281 private boolean outOfBound(){
282 Cell[] cells = tetromino.getCells();
283 for(int i=0; i<cells.length; i++){
284 Cell cell = cells[i];
285 int col = cell.getCol();
286 if(col<0 || col>=COLS){
287 return true;//出界了
288 }
289 }
290 return false;
291 }
292 private boolean coincide(){
293 Cell[] cells = tetromino.getCells();
294 //for each 循环、迭代，简化了"数组迭代书写"
295 for(Cell cell: cells){//Java 5 以后提供增强版for循环
296 int row = cell.getRow();
297 int col = cell.getCol();
298 if(row<0 || row>=ROWS || col<0 || col>=COLS ||
299 wall[row][col]!=null){
300 return true; //墙上有格子对象，发生重合
301 }
302 }
303 return false;
304 }
305 /** 向右旋转动作 */
306 public void rotateRightAction(){
307 //旋转之前
308 //System.out.println(tetromino);
309 tetromino.rotateRight();
310 //System.out.println(tetromino);
311 //旋转之后
312 if(outOfBound() || coincide()){
313 tetromino.rotateLeft();
314 }
315 }
316
317 /** Tetris 类中添加的方法 */
318 public void rotateLeftAction(){
319 tetromino.rotateLeft();
320 if(outOfBound() || coincide()){
321 tetromino.rotateRight();
322 }
323 }
324 public void hardDropAction(){
325 while(tetrominoCanDrop()){
326 tetromino.softDrop();
327 }
328 tetrominoLandToWall();
329 destroyLines();
330 checkGameOver();
331 tetromino = nextOne;
332 nextOne = Tetromino.randomTetromino();
333 }
334
335 private boolean pause;
336 private boolean gameOver;
337 private Timer timer;
338 /** Tetris 类中添加的方法, 用于启动游戏 */
339 public void startAction(){
340 clearWall();
341 tetromino = Tetromino.randomTetromino();
342 nextOne = Tetromino.randomTetromino();
343 lines = 0; score = 0; pause=false; gameOver=false;
344 timer = new Timer();
345 timer.schedule(new TimerTask(){
346 public void run() {
347 softDropAction();
348 repaint();
349 }
350 }, 700, 700);
351 }
352
353 private void clearWall(){
354 //将墙的每一行的每个格子清理为null
355 for(int row=0; row<ROWS; row++){
356 Arrays.fill(wall[row], null);
357 }
358 }
359
360 /** 在Tetris 类中添加方法 */
361 public void pauseAction(){
362 timer.cancel(); //停止定时器
363 pause = true;
364 repaint();
365 }
366 public void continueAction(){
367 timer = new Timer();
368 timer.schedule(new TimerTask() {
369 public void run() {
370 softDropAction();
371 repaint();
372 }
373 }, 700, 700);
374 pause = false;
375 repaint();
376 }
377 /** 在 Tetris 类中添加 方法 */
378 public void checkGameOver(){
379 if(wall[0][4]==null){
380 return;
381 }
382 gameOver = true;
383 timer.cancel();
384 repaint();
385 }
386
387 public static void main(String[] args) {
388 JFrame frame = new JFrame();
389 Tetris tetris = new Tetris();
390 frame.add(tetris);
391 frame.setSize(525, 550);
392 frame.setUndecorated(false);//true去掉窗口框！
393 frame.setTitle("俄罗斯方块");
394 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
395 //Location 位置 RelativeTo相对于
396 frame.setLocationRelativeTo(null);//使当前窗口居中
397 frame.setVisible(true);
398 tetris.action();
399 }
400 }二、Cell.java
1 package com.fry.tetris;
2
3 import java.awt.Image;
4
5 /**
6 * 格子
7 * 每一个小格子，就有所在的行 列 和图片
8 */
9 public class Cell {
10 private int row;
11 private int col;
12 //private int color;
13 private Image image;//格子的贴图
14
15 public Cell() {
16 }
17
18 public Cell(int row, int col, Image image) {
19 super();
20 this.row = row;
21 this.col = col;
22 this.image = image;
23 }
24
25 public int getRow() {
26 return row;
27 }
28
29 public void setRow(int row) {
30 this.row = row;
31 }
32
33 public int getCol() {
34 return col;
35 }
36
37 public void setCol(int col) {
38 this.col = col;
39 }
40
41
42 public Image getImage() {
43 return image;
44 }
45
46 public void setImage(Image image) {
47 this.image = image;
48 }
49
50 public void moveRight(){
51 col++;
52 //System.out.println("Cell moveRight()" + col);
53 }
54
55 public void moveLeft(){
56 col--;
57 }
58
59 public void moveDown(){
60 row++;
61 }
62
63 @Override
64 public String toString() {
65 return "["+row+","+col+"]";
66 }
67 }三、功能实现 Tetromino.java
package com.fry.tetris;
import java.util.Arrays;
import java.util.Random;
/**
* 4格方块
*/
public class Tetromino {
protected Cell[] cells = new Cell[4];
/** 保存旋转的相对于轴位置状态 */
protected State[] states;
/** 随机生成 4格方块, 使用简单工厂方法模式!
* randomTetromino 随机生成一个四格方块
* 这个方面的返回值是多态的!
* */
public static Tetromino randomTetromino(){
Random r = new Random();
int type = r.nextInt(7);
switch(type){
case 0: return new T();
case 1: return new I();
case 2: return new J();
case 3: return new L();
case 4: return new O();
case 5: return new S();
case 6: return new Z();
}
return null;
}
public Cell[] getCells() {
return cells;
}
/** 下落 */
public void softDrop(){
for(int i=0; i<cells.length; i++){
cells[i].moveDown();
}
}
public void moveRight(){
//System.out.println("moveRight()");
for(int i=0; i<cells.length; i++){
this.cells[i].moveRight();
}
}
public void moveLeft(){
for(int i=0; i<cells.length; i++){
cells[i].moveLeft();
}
}
private int index = 100000;
/** 在 Tetromino 上添加方法 */
public void rotateRight() {
index++;//index = 10001
// index % states.length = 10001 % 4 = 1
State s = states[index%states.length];//s1
// [0] + s1 = [1]
Cell o = cells[0];//获取当前的轴
//轴与相对位置的和作为旋转以后的格子位置
cells[1].setRow(o.getRow()+s.row1);
cells[1].setCol(o.getCol()+s.col1);
cells[2].setRow(o.getRow()+s.row2);
cells[2].setCol(o.getCol()+s.col2);
cells[3].setRow(o.getRow()+s.row3);
cells[3].setCol(o.getCol()+s.col3);
}
/** 在 Tetromino 上添加方法 */
public void rotateLeft() {
index--;//index = 10001
// index % states.length = 10001 % 4 = 1
State s = states[index%states.length];//s1
// [0] + s1 = [1]
Cell o = cells[0];//获取当前的轴
cells[1].setRow(o.getRow()+s.row1);
cells[1].setCol(o.getCol()+s.col1);
cells[2].setRow(o.getRow()+s.row2);
cells[2].setCol(o.getCol()+s.col2);
cells[3].setRow(o.getRow()+s.row3);
cells[3].setCol(o.getCol()+s.col3);
}
@Override
public String toString() {
return Arrays.toString(cells);
}
/** Tetromino 类中添加的 内部类 用于记录旋转状态 */
protected class State{
int row0,col0,row1,col1,row2,col2,row3,col3;
public State(int row0, int col0, int row1, int col1,
int row2, int col2,
int row3, int col3) {
this.row0 = row0;
this.col0 = col0;
this.row1 = row1;
this.col1 = col1;
this.row2 = row2;
this.col2 = col2;
this.row3 = row3;
this.col3 = col3;
}
}
}//Tetromino 类的结束
class T extends Tetromino{
public T() {
cells[0] = new Cell(0, 4, Tetris.T);
cells[1] = new Cell(0, 3, Tetris.T);
cells[2] = new Cell(0, 5, Tetris.T);
cells[3] = new Cell(1, 4, Tetris.T);
states = new State[]{
new State(0,0, 0,-1, 0,1, 1, 0),
new State(0,0, -1,0, 1,0, 0,-1),
new State(0,0, 0,1, 0,-1, -1,0),
new State(0,0, 1,0, -1,0, 0,1)};
}
}
class I extends Tetromino{
public I() {
cells[0] = new Cell(0, 4, Tetris.I);
cells[1] = new Cell(0, 3, Tetris.I);
cells[2] = new Cell(0, 5, Tetris.I);
cells[3] = new Cell(0, 6, Tetris.I);
states = new State[]{
new State(0,0, 0,1, 0,-1, 0,-2),
new State(0,0, -1,0, 1,0,2,0)};
}
}
class L extends Tetromino {
public L() {
cells[0] = new Cell(0, 4, Tetris.L);
cells[1] = new Cell(0, 3, Tetris.L);
cells[2] = new Cell(0, 5, Tetris.L);
cells[3] = new Cell(1, 3, Tetris.L);
states = new State[]{
new State(0,0, 0,-1, 0,1, 1,-1 ),
new State(0,0, -1,0, 1,0, -1,-1),
new State(0,0, 0,1, 0,-1, -1,1),
new State(0,0, 1,0, -1,0, 1,1)};
}
}
class J extends Tetromino {
public J() {
cells[0] = new Cell(0, 4, Tetris.J);
cells[1] = new Cell(0, 3, Tetris.J);
cells[2] = new Cell(0, 5, Tetris.J);
cells[3] = new Cell(1, 5, Tetris.J);
states = new State[]{
new State(0,0, 0,-1, 0,1, 1,1),
new State(0,0, -1,0, 1,0, 1,-1),
new State(0,0, 0,1, 0,-1, -1,-1),
new State(0,0, 1,0, -1,0, -1,1 )};
}
}
class S extends Tetromino {
public S() {
cells[0] = new Cell(0, 4, Tetris.S);
cells[1] = new Cell(0, 5, Tetris.S);
cells[2] = new Cell(1, 3, Tetris.S);
cells[3] = new Cell(1, 4, Tetris.S);
states = new State[]{
new State(0,0, 0,1, 1,-1, 1,0 ),
new State(0,0, -1,0, 1,1, 0,1 )};
}
}
class Z extends Tetromino {
public Z() {
cells[0] = new Cell(1, 4, Tetris.Z);
cells[1] = new Cell(0, 3, Tetris.Z);
cells[2] = new Cell(0, 4, Tetris.Z);
cells[3] = new Cell(1, 5, Tetris.Z);
states = new State[]{
new State(0,0, -1,-1, -1,0, 0,1 ),
new State(0,0, -1,1, 0,1, 1,0 )};
}
}
class O extends Tetromino {
public O() {
cells[0] = new Cell(0, 4, Tetris.O);
cells[1] = new Cell(0, 5, Tetris.O);
cells[2] = new Cell(1, 4, Tetris.O);
cells[3] = new Cell(1, 5, Tetris.O);
states = new State[]{
new State(0,0, 0,1, 1,0, 1,1 ),
new State(0,0, 0,1, 1,0, 1,1 )};
}
}
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