Something

import java.lang.Math;import java.lang.*;import java.awt.*;import java.awt.event.*;import java.util.*;import java.applet.*;import javax.swing.*;import javax.swing.event.*; import java.io.File;import java.applet.Applet;import java.applet.AudioClip;import java.net.URL;import javax.imageio.ImageIO;public class ruckel extends JFrame implements MouseMotionListener{	int xx[] = new int[4];	int yy[] = new int[4];	Color bg = new Color(128,128,128);	static int screenx = 1024;    static int screeny = 740;    double grad[] = new double[4];    Image bild[] = new Image[4];    Image gott;        boolean gogo = true;        int framecount = 0;        long oldtime;    long newtime;        int mx;    int my;           //thread sachen	   		boolean running;   		int schlaf = 20;   		//fur double buffering   		private Image dbImage;  		 private Graphics dbg;	  public static void main(String[] args)   {    ruckel fenster = new ruckel();     fenster.setVisible(true);    //fenster.start();   }  public ruckel()   {      setTitle("ruckel");      setBackground(bg);      addMouseMotionListener(this);      addWindowListener( new WindowAdapter() {      public void windowClosing ( WindowEvent e) {        System.exit(0); }    });	  //setSize(Toolkit.getDefaultToolkit().getScreenSize());       setSize(screenx,screeny);      setLayout(null);            Cursor c;      c = getToolkit().createCustomCursor(new ImageIcon("").getImage(),new Point(0,0),"Cursor");      setCursor(c);            oldtime = System.currentTimeMillis();            bild[0] = load_img("lol.jpg");      bild[1] = load_img("lol.jpg");      bild[2] = load_img("lol.jpg");      bild[3] = load_img("lol.jpg");            gott = load_img("lol.jpg");            	xx[0] = 100;      	xx[1] = 100;      	xx[2] = 100;      	xx[3] = 100;      	yy[0] = 100;      	yy[1] = 100;      	yy[2] = 100;      	yy[3] = 100;      	      	grad[0] = 90.0;      	grad[1] = 90.0;      	grad[2] = 90.0;      	grad[3] = 90.0;      	      	gameloop();   }       public void fpsa()  {  	setTitle("fps: "+framecount);  	framecount=0;  }    	public void mouseEntered (MouseEvent e) {}	public void mouseExited (MouseEvent e){}			public void mouseMoved (MouseEvent e)	{			mx = e.getX();		my = e.getY();		} 	public void mouseDragged (MouseEvent e) 	{}   	public void gameloop()	{				while(true)		{			if (newtime-oldtime >= 1000) {fpsa();oldtime=System.currentTimeMillis();}    		    		newtime = System.currentTimeMillis();    		    		grad[0]+=0.02;    		grad[1]-=0.02;    		grad[2]+=0.02;    		grad[3]-=0.02;    					xx[0] = (int)(300+(200*Math.sin(grad[0])));			xx[1] = (int)(300+(200*Math.sin(grad[1])));			xx[2] = (int)(300+(200*Math.sin(grad[2])));			xx[3] = (int)(300+(200*Math.sin(grad[3])));			yy[0] = (int)(200+(200*Math.cos(grad[0])));			yy[1] = (int)(200+(200*Math.cos(grad[1])));			yy[2] = (int)(200+(200*Math.cos(grad[2])));			yy[3] = (int)(200+(200*Math.cos(grad[3])));			      	repaint();      	      	try	      		{        		Thread.sleep(schlaf);      		}      		catch (InterruptedException e)      		{         	      		}      }    }      		  static public Image load_img(String str2)	{		File f = new File(str2);		Image img1 = null;		try  { img1 = ImageIO.read( f ); } 		catch (Exception e ) {} 		return img1;	}		public void update (Graphics g)	{		if (dbImage == null)		{			dbImage = createImage (this.getSize().width, this.getSize().height);			dbg = dbImage.getGraphics ();		}		dbg.setColor (getBackground ());		dbg.fillRect (0, 0, this.getSize().width, this.getSize().height);		dbg.setColor (getForeground());		paint (dbg);		g.drawImage (dbImage, 0, 0, this);	}		public void paint(Graphics g)	{								g.drawImage(gott,mx,my,this);				g.drawImage(bild[0],xx[0],yy[0],this);		g.drawImage(bild[1],xx[1]+300,yy[1],this);				g.drawImage(bild[2],xx[2],yy[2]+300,this);				g.drawImage(bild[3],xx[3]+300,yy[3]+300,this);						framecount++;			}}