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这篇文章主要讲解了“怎么用Java实现俄罗斯方块小游戏”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“怎么用Java实现俄罗斯方块小游戏”吧！
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一、心得
二、游戏实例
三、代码
点击获取更多素材游戏源码！！
百度盘链接
链接：http://pan.baidu.com/s/1mhQ9SYc 密码：9ujo
目录结构
package com.hsj.tetris;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.Arrays;
import java.util.Timer;
import java.util.TimerTask;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;
/**
* 俄罗斯方块游戏面板
*
*/
public class Tetris extends JPanel {
/** 正在下落方块 */
private Tetromino tetromino;
/** 下一个下落方块 */
private Tetromino nextOne;
/** 行数 */
public static final int ROWS = 20;
/** 列数 */
public static final int COLS = 10;
/** 墙 */
private Cell[][] wall = new Cell[ROWS][COLS];
/** 消掉的行数 */
private int lines;
/** 分数 */
private int score;
public static final int CELL_SIZE = 26;
private static Image background;//背景图片
public static Image I;
public static Image J;
public static Image L;
public static Image S;
public static Image Z;
public static Image O;
public static Image T;
static{//加载静态资源的，加载图片
//建议将图片放到 Tetris.java 同包中!
//从包中加载图片对象，使用Swing API实现
// Toolkit toolkit = Toolkit.getDefaultToolkit();
// background = toolkit.getImage(
// Tetris.class.getResource("tetris.png"));
// T = toolkit.getImage(Tetris.class.getResource("T.png"));
// S = toolkit.getImage(Tetris.class.getResource("S.png"));
// Z = toolkit.getImage(Tetris.class.getResource("Z.png"));
// L = toolkit.getImage(Tetris.class.getResource("L.png"));
// J = toolkit.getImage(Tetris.class.getResource("J.png"));
// I = toolkit.getImage(Tetris.class.getResource("I.png"));
// O = toolkit.getImage(Tetris.class.getResource("O.png"));
//import javax.imageio.ImageIO;
try{
background = ImageIO.read(
Tetris.class.getResource("tetris.png"));
T=ImageIO.read(Tetris.class.getResource("T.png"));
I=ImageIO.read(Tetris.class.getResource("I.png"));
S=ImageIO.read(Tetris.class.getResource("S.png"));
Z=ImageIO.read(Tetris.class.getResource("Z.png"));
L=ImageIO.read(Tetris.class.getResource("L.png"));
J=ImageIO.read(Tetris.class.getResource("J.png"));
O=ImageIO.read(Tetris.class.getResource("O.png"));
}catch(Exception e){
e.printStackTrace();
}
}
public void action(){
//tetromino = Tetromino.randomTetromino();
//nextOne = Tetromino.randomTetromino();
//wall[19][2] = new Cell(19,2,Tetris.T);
startAction();
repaint();
KeyAdapter l = new KeyAdapter() {
public void keyPressed(KeyEvent e) {
int key = e.getKeyCode();
if(key == KeyEvent.VK_Q){
System.exit(0);//退出当前的Java进程
}
if(gameOver){
if(key==KeyEvent.VK_S){
startAction();
}
return;
}
//如果暂停并且按键是[C]就继续动作
if(pause){//pause = false
if(key==KeyEvent.VK_C){ continueAction(); }
return;
}
//否则处理其它按键
switch(key){
case KeyEvent.VK_RIGHT: moveRightAction(); break;
case KeyEvent.VK_LEFT: moveLeftAction(); break;
case KeyEvent.VK_DOWN: softDropAction() ; break;
case KeyEvent.VK_UP: rotateRightAction() ; break;
case KeyEvent.VK_Z: rotateLeftAction() ; break;
case KeyEvent.VK_SPACE: hardDropAction() ; break;
case KeyEvent.VK_P: pauseAction() ; break;
}
repaint();
}
};
this.requestFocus();
this.addKeyListener(l);
}
public void paint(Graphics g){
g.drawImage(background, 0, 0, null);//使用this 作为观察者
g.translate(15, 15);//平移绘图坐标系
paintTetromino(g);//绘制正在下落的方块
paintWall(g);//画墙
paintNextOne(g);
paintScore(g);
}
public static final int FONT_COLOR = 0x667799;
public static final int FONT_SIZE = 0x20;
private void paintScore(Graphics g) {
Font f = getFont();//获取当前的 面板默认字体
Font font = new Font(
f.getName(), Font.BOLD, FONT_SIZE);
int x = 290;
int y = 162;
g.setColor(new Color(FONT_COLOR));
g.setFont(font);
String str = "SCORE:"+this.score;
g.drawString(str, x, y);
y+=56;
str = "LINES:"+this.lines;
g.drawString(str, x, y);
y+=56;
str = "[P]Pause";
if(pause){str = "[C]Continue";}
if(gameOver){ str = "[S]Start!";}
g.drawString(str, x, y);
}
private void paintNextOne(Graphics g) {
Cell[] cells = nextOne.getCells();
for(int i=0; i=1; i--){
//复制 [i-1] -> [i]
System.arraycopy(wall[i-1], 0, wall[i], 0, COLS);
}
Arrays.fill(wall[0], null);
}
/** 检查当前的4格方块能否继续下落 */
public boolean tetrominoCanDrop(){
Cell[] cells = tetromino.getCells();
for(int i = 0; i=COLS){
return true;//出界了
}
}
return false;
}
private boolean coincide(){
Cell[] cells = tetromino.getCells();
//for each 循环、迭代，简化了"数组迭代书写"
for(Cell cell: cells){//Java 5 以后提供增强版for循环
int row = cell.getRow();
int col = cell.getCol();
if(row<0 || row>=ROWS || col<0 || col>=COLS ||
wall[row][col]!=null){
return true; //墙上有格子对象，发生重合
}
}
return false;
}
/** 向右旋转动作 */
public void rotateRightAction(){
//旋转之前
//System.out.println(tetromino);
tetromino.rotateRight();
//System.out.println(tetromino);
//旋转之后
if(outOfBound() || coincide()){
tetromino.rotateLeft();
}
}
/** Tetris 类中添加的方法 */
public void rotateLeftAction(){
tetromino.rotateLeft();
if(outOfBound() || coincide()){
tetromino.rotateRight();
}
}
public void hardDropAction(){
while(tetrominoCanDrop()){
tetromino.softDrop();
}
tetrominoLandToWall();
destroyLines();
checkGameOver();
tetromino = nextOne;
nextOne = Tetromino.randomTetromino();
}
private boolean pause;
private boolean gameOver;
private Timer timer;
/** Tetris 类中添加的方法, 用于启动游戏 */
public void startAction(){
clearWall();
tetromino = Tetromino.randomTetromino();
nextOne = Tetromino.randomTetromino();
lines = 0; score = 0; pause=false; gameOver=false;
timer = new Timer();
timer.schedule(new TimerTask(){
public void run() {
softDropAction();
repaint();
}
}, 700, 700);
}
private void clearWall(){
//将墙的每一行的每个格子清理为null
for(int row=0; row二、Cell.java
package com.fry.tetris;
import java.awt.Image;
/**
* 格子
* 每一个小格子，就有所在的行 列 和图片
*/
public class Cell {
private int row;
private int col;
//private int color;
private Image image;//格子的贴图
public Cell() {
}
public Cell(int row, int col, Image image) {
super();
this.row = row;
this.col = col;
this.image = image;
}
public int getRow() {
return row;
}
public void setRow(int row) {
this.row = row;
}
public int getCol() {
return col;
}
public void setCol(int col) {
this.col = col;
}
public Image getImage() {
return image;
}
public void setImage(Image image) {
this.image = image;
}
public void moveRight(){
col++;
//System.out.println("Cell moveRight()" + col);
}
public void moveLeft(){
col--;
}
public void moveDown(){
row++;
}
@Override
public String toString() {
return "["+row+","+col+"]";
}
}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感谢各位的阅读，以上就是“怎么用Java实现俄罗斯方块小游戏”的内容了，经过本文的学习后，相信大家对怎么用Java实现俄罗斯方块小游戏这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！
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