作业——java编写一个简单的移动方块游戏

这是我们的一个实验题目，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！！

//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;
   		}
}