本文实例讲述了java编写的简单移动方块小游戏代码。分享给大家供大家参考，具体如下：
运行效果截图如下：
第一次用java编写图形化的界面，还是有些青涩。。以后继续努力！！具体代码如下：
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//Little Box Game by AlexYui
//Game.java By 1093710210@ HIT
import javax.swing.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.*;
import java.util.*;
public class Game{
public static void main(String[] agrs){
MyFrame gameframe = new MyFrame();
gameframe.setTitle("Java Box Game By AlexYui");
gameframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
gameframe.setVisible(true);
}
}
//框架
class MyFrame extends JFrame {
private int flag = 0;
protected double x[] = {0,0,270,0,270};
protected double y[] = {0,0,0,270,270};
protected int winner[]={0,0,0,0,0};
public static final int DEFAULT_WIDTH = 317;
public static final int DEFAULT_HEIGHT = 339;
public MyFrame(){
MyPanel a = new MyPanel();
addKeyListener(new MyKeyListener());
this.add(a);
setSize(DEFAULT_WIDTH,DEFAULT_HEIGHT);
}
class MyPanel extends JPanel{
public MyPanel(){}
public void paint(Graphics g){
super.paint(g);
Graphics2D g2 = (Graphics2D)g;
Rectangle2D rect1 = new Rectangle2D.Double(x[1],y[1],30f,30f);
Rectangle2D rect2 = new Rectangle2D.Double(x[2],y[2],30f,30f);
Rectangle2D rect3 = new Rectangle2D.Double(x[3],y[3],30f,30f);
Rectangle2D rect4 = new Rectangle2D.Double(x[4],y[4],30f,30f);
//画中间的四个方框
g2.setPaint(Color.RED);
g2.drawRect(120,120 ,30,30);
g2.drawRect(120,150 ,30,30);
g2.drawRect(150,120 ,30,30);
g2.drawRect(150,150 ,30,30);
//填充四个角上的方块
g2.setPaint(Color.BLUE);
if(winner[1] == 0)g2.fill(rect1);
if(winner[2] == 0)g2.fill(rect2);
if(winner[3] == 0)g2.fill(rect3);
if(winner[4] == 0)g2.fill(rect4);
g2.setPaint(Color.RED);
//将已经选择的方块涂成红色
if(flag == 1) g2.fill(rect1);
if(flag == 2) g2.fill(rect2);
if(flag == 3) g2.fill(rect3);
if(flag == 4) g2.fill(rect4);
g2.setPaint(Color.BLUE);
if(winner[1] == 1)g2.fill(rect1);
if(winner[2] == 1)g2.fill(rect2);
if(winner[3] == 1)g2.fill(rect3);
if(winner[4] == 1)g2.fill(rect4);
g2.setPaint(Color.RED);
if(winner[1] == 1 && winner[2] == 1 && winner[3] == 1 && winner[4] == 1)
g2.drawString("Succes! You Won!",100,75);
//保持边框的颜色
g2.drawRect(120,120 ,30,30);
g2.drawRect(120,150 ,30,30);
g2.drawRect(150,120 ,30,30);
g2.drawRect(150,150 ,30,30);
repaint();
}
}
class MyKeyListener implements KeyListener{
//overide
public void keyPressed(KeyEvent event){
int keyCode = event.getKeyCode();
if(keyCode == KeyEvent.VK_1){flag = 1;}
if(keyCode == KeyEvent.VK_2){flag = 2;}
if(keyCode == KeyEvent.VK_3){flag = 3;}
if(keyCode == KeyEvent.VK_4){flag = 4;}
if(keyCode == KeyEvent.VK_UP){move(0,-30,flag);win();}
if(keyCode == KeyEvent.VK_DOWN){move(0,30,flag);win();}
if(keyCode == KeyEvent.VK_LEFT){move(-30,0,flag);win();}
if(keyCode == KeyEvent.VK_RIGHT){move(30,0,flag);win();}
}
public void keyReleased(KeyEvent event){}
public void keyTyped(KeyEvent event){}
}
//用于判别基本规则，移动方块
void move(int mx,int my,int mflag){
int i;
boolean teller = false;
x[mflag] +=mx;
y[mflag] +=my;
if(! ((x[flag] >= 0 && x[flag]<=270)&&(y[flag] >= 0 && y[flag]<=270))){
x[mflag] -=mx;
y[mflag] -=my;
}
for(i = 1;i<5;i++){
if(mflag != i)
if(x[mflag] == x[i] && y[mflag] == y[i])
teller = true;
}
if(teller == true){
x[mflag] -= mx;
y[mflag] -= my;
}
}
//用于判别已经进入符合条件区域的方块
void win(){
int j1,j2;
for(j1=1;j1<5;j1++)
if((x[j1]<=150&&x[j1]>=120)&&(y[j1]<=150&&y[j1]>=120))
winner[j1]=1;
for(j2=1;j2<5;j2++)
if(!((x[j2]<=150&&x[j2]>=120)&&(y[j2]<=150&&y[j2]>=120)))
winner[j2]=0;
}
}
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希望本文所述对大家Java程序设计有所帮助。