//Little Box Game by AlexYui//Game.java By 1093710210@ HITimport 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); //畫中間的四個方框 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); //填充四個角上的方塊 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); //將已經(jīng)選擇的方塊涂成紅色 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); //保持邊框的顏色 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){}   }   //用于判別基本規(guī)則，移動方塊   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;       }     }     //用于判別已經(jīng)進入符合條件區(qū)域的方塊     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;     }}