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这期内容当中小编将会给大家带来有关利用Java编写一个俄罗斯方块小游戏，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。
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Java游戏俄罗斯方块的实现实例
java小游戏主要理解应用java Swing,awt等基础组件的知识，通过本例应当掌握面向对象的知识。
实现代码：
package cn.hncu.games;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
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 {
private TetrisPanel tp;
public Tetris() {
// 添加菜单，这里只是意思一下，留待大家自己做更详细的
// 菜单条
JMenuBar menubar = new JMenuBar();
setJMenuBar(menubar);
// 菜单
JMenu menuGame = new JMenu("游戏");
menubar.add(menuGame);
// 菜单项
JMenuItem mi1 = new JMenuItem("新游戏");
mi1.setActionCommand("new");
JMenuItem mi2 = new JMenuItem("暂停");
mi2.setActionCommand("pause");
JMenuItem mi3 = new JMenuItem("继续");
mi3.setActionCommand("continue");
JMenuItem mi4 = new JMenuItem("退出");
mi4.setActionCommand("exit");
menuGame.add(mi1);
menuGame.add(mi2);
menuGame.add(mi3);
menuGame.add(mi4);
//菜单项监听
MenuListener menuListener = new MenuListener();
mi1.addActionListener(menuListener);
mi2.addActionListener(menuListener);
mi3.addActionListener(menuListener);
mi4.addActionListener(menuListener);
// 版本菜单
JMenu menuHelp = new JMenu("帮助");
menubar.add(menuHelp);
menuHelp.add("版本所有@湖南城院 QQ:666688888");
setLocation(700, 200);
setDefaultCloseOperation(EXIT_ON_CLOSE);
setSize(220, 275);
setResizable(false);
tp = new TetrisPanel();
getContentPane().add(tp);
// 让整个画布添加键盘监听
// tp.addKeyListener(tp.listener);//不行,画布不方便获得键盘焦点
this.addKeyListener(tp.listener); // 让框架来监听键盘
}
public static void main(String[] args) {
Tetris te = new Tetris();
te.setVisible(true);
}
class MenuListener implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
if(e.getActionCommand().equalsIgnoreCase("new")){
getContentPane().remove(tp);
tp = new TetrisPanel();
getContentPane().add(tp);
getContentPane().validate();//校验当前容器，有刷新功能
}else if(e.getActionCommand().equalsIgnoreCase("pause")){
tp.getTimer().stop();
}else if(e.getActionCommand().equalsIgnoreCase("continue")){
tp.getTimer().restart();
}else if(e.getActionCommand().equalsIgnoreCase("exit")){
System.exit(0);
}
}
}
}
class TetrisPanel extends JPanel {
private int map[][] = new int[13][23];// map[列号][行号]。真正的方块区是:21行*10列。边框(2列，1行)
// 方块的形状：
// 第一维代表方块类型(包括7种:S、Z、L、J、I、O、T)
// 第二维代表旋转次数
// 第三四维代表方块矩阵
// shapes[type][turnState][i] i--> block[i/4][i%4]
int shapes[][][] = new int[][][] {
/*
* 模板 { {0,0,0,0,0,0,0,0, 0,0,0,0, 0,0,0,0}, {0,0,0,0,0,0,0,0, 0,0,0,0,
* 0,0,0,0}, {0,0,0,0,0,0,0,0, 0,0,0,0, 0,0,0,0}, {0,0,0,0,0,0,0,0, 0,0,0,0,
* 0,0,0,0} }
*/
// I (※把版本1中的横条从第1行换到第2行)
{ { 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, 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 } },
// Z 第3行: shapes[2][2][]
{ { 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 } } };
private int type;
private int turnState;
private int x, y;// 当前块的位置---左上角的坐标
private int score = 0;
private Timer timer = null;
private int delay = 1000;
TimerListener listener = null;
public TetrisPanel() {
newGame();
nextBlock();
listener = new TimerListener();
timer = new Timer(delay, listener);
timer.start();
}
private void newGame() {
// 初始化游戏地图
for (int i = 0; i < 12; i++) {
for (int j = 0; j < 21; j++) {
if (i == 0 || i == 11) {// 边框
map[i][j] = 3;
} else {
map[i][j] = 0;
}
}
map[i][21] = 3;
}
score = 0;
}
private void nextBlock() {
type = (int) (Math.random() * 1000) % 7; // type=5;
turnState = (int) (Math.random() * 1000) % 4; // turnState=3;
x = 4;
y = 0;
if (crash(x, y, type, turnState) == 0) {
timer.stop();
int op = JOptionPane.showConfirmDialog(null,
"Game Over!....笨蛋，敢再来一局吗?!");
if (op == JOptionPane.YES_OPTION) {
newGame();
} else if (op == JOptionPane.NO_OPTION) {
System.exit(0);
}
}
}
private void down() {
if (crash(x, y + 1, type, turnState) == 0) {// 判断当前块往下落一格后是否和地图存在填充块完全重合---注意实参:y+1
add(x, y, type, turnState);// 把该块加到地图---形成堆积块
nextBlock();
} else {
y++;
}
repaint();
}
private void left() {
if (x >= 0) {
x -= crash(x - 1, y, type, turnState);
}
repaint();
}
private void right() {
if (x < 8) {
x += crash(x + 1, y, type, turnState);
}
repaint();
}
private void turn() {
if (crash(x, y, type, (turnState + 1) % 4) == 1) {
turnState = (turnState + 1) % 4;
}
repaint();
}
// 让一个块堆积，其实是把当前块中的填充块信息记录到map[][]中
private void add(int x, int y, int type, int turnState) {
for (int a = 0; a < 4; a++) {
for (int b = 0; b < 4; b++) {
if (shapes[type][turnState][a * 4 + b] == 1) {
map[x + b + 1][y + a] = 1;
}
}
}
tryDelLine();
}
// 消块
private void tryDelLine() {
// 从上往下，一行行依次遍历，如果某一行的map[i][j]值全是1，则把这一行消掉---上一行往下落
for (int b = 0; b < 21; b++) {
int c = 1;
for (int a = 0; a < 12; a++) {
c &= map[a][b];
}
if (c == 1) {// 全是1--下落一行
score += 10;
for (int d = b; d > 0; d--) {
for (int e = 0; e < 11; e++) {
map[e][d] = map[e][d - 1];
}
}
// 更改游戏的难度(加快下落速度)
delay /= 2;
timer.setDelay(delay);
}
}
}
private int crash(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] & map[x + b + 1][y
+ a]) == 1) {// 和填充块或框架重合，都算碰撞
return 0; // 碰撞了---方块的填充块和地图中的填充块完全重合
}
}
}
return 1;// 没有碰撞
}
// 表现层
@Override
public void paint(Graphics g) {
super.paint(g);// 清除残影
// 画当前块
for (int j = 0; j < 16; j++) {
if (shapes[type][turnState][j] == 1) {
g.setColor(Color.green);
g.fillRect((j % 4 + x + 1) * 10, (j / 4 + y) * 10, 10, 10);
}
}
/*
* for(int a=0;a<4;a++){ for(int b=0;b<4;b++){
* if(shapes[type][turnState][a*4+b]==1){ g.fillRect((b+x+1)*10,
* (a+y)*10, 10, 10); } } }
*/
// 画地图(整个游戏的方块区和边框)
for (int i = 0; i < 12; i++) {
for (int j = 0; j < 22; j++) {
if (map[i][j] == 1) {
g.setColor(Color.red);
g.fillRect(i * 10, j * 10, 10, 10);// 填充
g.setColor(Color.yellow);
g.drawRect(i * 10, j * 10, 10, 10);// 格线
} else if (map[i][j] == 3) {
g.setColor(Color.red);
g.drawRect(i * 10, j * 10, 10, 10);
}
}
}
// 显示分数，同时为版面美观，在界面上再加点东西
// 画方块区右侧部分
g.setColor(Color.blue);
g.setFont(new Font("aa", Font.BOLD, 18));
g.drawString("score=" + score, 130, 20);
g.setFont(new Font("aa", Font.PLAIN, 13));
g.drawString("拒绝盗版游戏", 130, 70);
g.drawString("注意自我保护", 130, 90);
g.drawString("谨防受骗上当。", 125, 110);
g.drawString("适度游戏益脑，", 125, 130);
g.drawString("沉迷游戏伤身。", 125, 150);
g.drawString("合理安排时间，", 125, 170);
g.drawString("享受健康生活。", 125, 190);
}
class TimerListener extends KeyAdapter implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
down();
}
@Override
public void keyPressed(KeyEvent e) {
// System.out.println("aaaaa");
switch (e.getKeyCode()) {
case KeyEvent.VK_DOWN:
down();
break;
case KeyEvent.VK_LEFT:
left();
break;
case KeyEvent.VK_RIGHT:
right();
break;
case KeyEvent.VK_UP:
turn();
}
}
}
public Timer getTimer() {
return timer;
}
}上述就是小编为大家分享的利用Java编写一个俄罗斯方块小游戏了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注创新互联行业资讯频道。
