yidongshape.java

这是一个在屏幕上移动的图形程序

import java.awt.*;
import javax.swing.*;
import java.awt.color.*;
public class yidongshape implements Runnable
{
	Thread t1;
	int tim;
	int with,heigh,j;
	pp p1=new pp();
	public yidongshape()
	{
		JFrame jf=new JFrame("yi dong shape");
	    j=0;
		jf.setVisible(true);
		jf.setSize(500,400);
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		jf.getContentPane().add(p1);
		t1=new Thread(this);
		t1.start();
	}
	public void setyidong(int tim)
	{
		this.tim=tim;
	}
	public void run()
	{
	   for(int i=0;;i++)
	   {
	       
		   
		
			try
			{
			
				
				if(with<=500)
				{
					with=with+10;
					p1.setp(with,0);
				}
				else 
				{
					with=501;
				}
				
				if(with==501&&heigh<=400)
				{
					heigh=heigh+10;
					p1.setp(with,heigh);
				}
				else 
				{
					heigh=401;
				}
				if(heigh>400)
				{
					//heigh=401;
					with=with-10;
						p1.setp(with,heigh);
				}
			/*	else
				{
					with=500;
					j++;
					p1.setp(with-j*10,0);
				}
				if(heigh<400)
				{
					 heigh=i*10;
					p1.setp(0,heigh);
				}*/
			/*	else
				{
					j++;
					heigh=400;
					p1.setp(0,heigh-j*10);
					
				}*/
			
				p1.repaint();
				Thread.sleep(100);
				
			}
			catch(InterruptedException e)
			{
				
			}
		
	   }
	}
	
	public static void main (String[] args)
    {
    	yidongshape a=new yidongshape();
    	
    }
}
class pp extends JApplet
{
	int x,y;
	public pp()
	{
		x=0;
		y=0;
	}
	
	public void setp(int x,int y)
	{
		this.x=x;
		this.y=y;
	}
	public void paint(Graphics g)
	{
		super.paint(g);
		g.setColor(Color.green);
		g.fill3DRect(x,y,20,20,true);
	}
}