Star Trek "Galactic Conquest" Game Contest Submission (Java)

import java.awt.*;

import javax.imageio.ImageIO;
import javax.swing.*;

import java.net.URL;
import java.util.StringTokenizer;
/**
 * QuadDraw JPanel c/w Graphical Draw Override. 
 * 
 * @author Robert Bettinelli 
 * @version 1.0.0
 */
public class QuadDraw extends JPanel
{
    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private Image img;
    private Image xyLegend;
    private Image bkgImage;
    private String drawText;
    private int[] shot; 
    
    /**
     * Constructor for objects of class quadDraw
     * Load Screen Graphicas.
     */
    public QuadDraw()
    {
        // Constructor Initialize
        img = null;
        xyLegend = loadGraphic("XY.jpg");    // Upper Left XY Graphic
        bkgImage = loadGraphic("BKG.jpg");   // Load Screen Splash Type Graphic.
        drawText = "";                              // Clear Special Graphic Text
        shot = new int[4];                          // Inialize Shot Array
        shotReset();                                // Clear Shot To & From Array.
    }
    /**
     * shotReset - Clear Shot Dimension Array
     */
    private void shotReset()                         // Reset all to -1. (Non-Zero #)
    {
        shot[0] = -1;
        shot[1] = -1;
        shot[2] = -1;
        shot[3] = -1;
    }
    
    /**
     * setShot - Graphical Shotting Graphic. 
     *
     *@param x1 - Shoot From X Location
     *@param y1 -            Y Location
     *@param x2 -       To   X Location
     *@param y2 -            Y Location
     */
    public void setShot(int x1,int y1, int x2, int y2)
    {
        // Set to current graphical interface. 
        Graphics g;
        g = getGraphics();
          
        // Create Multiline Graphic Effect. 
        Color[] colr;
        colr = new Color[5];
        colr[0] = Color.yellow;
        colr[1] = Color.red;
        colr[2] = Color.blue;
        colr[2] = Color.red;
        colr[4] = Color.black;
        
        // Init set graphic X & Y Locations. 
        shot[0] = 24+(x1*48); // Graphical  X Location.
        shot[1] = 26+(y1*48); //            Y Location.
        shot[2] = 24+(x2*48); //            X Location.
        shot[3] = 26+(y2*48); //            Y Location. 
        
        // Calculate Shot in 4 Segments. 
        int deltaX = (shot[0] - shot[2])/4;
        int deltaY = (shot[1] - shot[3])/4;
        
        // Set Increment for current and next segments
        int incX1,incX2;
        int incY1,incY2;
        // loop for 5 different color lines
        // (or else its too fast to see)
        for(int x=0; x <= 4; x++)
        {
            // Set initial From Point (attacking Ship)
            incX1=shot[1];
            incY1=shot[0];
            for (int y=0; y < 4; y++)
            {
                // Set end segment point.
                incX2 = incX1 - deltaY;
                incY2 = incY1 - deltaX;
                // Set shot color
                g.setColor(colr[x]);
                // draw shot segment
                g.drawLine(incX1,incY1,incX2,incY2);
                // take some time so it can be smooth and viewable.
                timeOut(55);
                // next start point is end of previous.
                incX1 = incX2;
                incY1 = incY2;
            }
        }
        // Reset screen back to normal. 
        repaint();
        // Clear Shot Request.  
        shotReset();
    } 
    /**
     * Load Graphic
     * 
     * @param fileName - Graphic to load.
     * 
     * @return Image - Return Image requested
     */
    private Image loadGraphic(String fileName)
    {
        // Set Empty Image
        Image loadImg = null;
        try 
        {
            //Load jpg file. 
        	URL url = DisplayData.class.getResource("/Images/"+fileName);  
        	loadImg = ImageIO.read(url);
        	
        	if(loadImg == null)
        	  {    	
        		  System.out.println("Image object is null");    
        	  }
        	  else
        	  {    	
        		  System.out.println("Loading.. Images/"+fileName);    
        	  }       	
            //Media Tracker to Force Load to memory. 
            MediaTracker mt = new MediaTracker(this);
            mt.addImage(loadImg, 1);
            try 
            {
                // Wait for Graphic to Load. 
                mt.waitForAll();
            } 
            catch (Exception e) 
            {
                System.out.println("Exception while loading.");
            }
        } 
        catch (Exception e) 
        {
        }
        return loadImg;
    }
    /**
     * displayText - Displays Text on the Graphics Display Screen. 
     */
    public void displayText(String text)
    {
        drawText = text;
        repaint();
    }
    
    /**
     * drawImage - Transfer Image to Screen. 
     * 
     * @param  image   get Image to Draw
     */
    public void drawImage(Image image)
    {
        img = image;
        repaint();
    }
    
    /**
     * paintComponent Override (Draw All things Graphic to the Panel) 
     */
    public void paintComponent(Graphics g)
    {
        super.paintComponent(g);
        // Title! 
        g.drawImage(bkgImage,0,0,336,336,this);
        g.setColor(Color.yellow);
        g.setFont(new Font("Courier New", Font.BOLD, 20));
        g.drawString(" GALACTIC ",100,150);
        g.drawString("!CONQUEST!",100,175);
        // Draw Image!
        g.drawImage(img,0,0,this);
        // Set Boarder Numbers!
        g.setFont(new Font("Courier New", Font.PLAIN, 8));
        g.setColor(Color.yellow);
        for (int x = 0; x < 7;x++)
        {
             g.drawString(""+x,23+(x*48),8); 
        }
        for (int y = 0; y < 7;y++)
        {
            g.drawString(""+y,2,26+(y*48)); 
        }
        g.drawImage(xyLegend,0,0,this); 
        
        //Draw Text.
        if (drawText.length() > 0)
        {
            int y1 = 50;
          // Split text
          StringTokenizer st = new StringTokenizer(drawText,"$");
          while (st.hasMoreTokens())
          {
               g.setFont(new Font("Courier New", Font.BOLD, 10));
               // Paint Text.
               g.drawString(st.nextToken(),30,y1);
               y1 += 15;
          }
          // Clear text.
          drawText = "";
        }
    }
    
    /**
    * Delay function to create Scroll Effect.
    */  
    private void timeOut(int delay)
    {
        synchronized(this)
        {
            try
            {
                wait(delay);
            }
            catch (InterruptedException iel)
            {
                //bypass   
            }
        }
    }
}