package com.croftsoft.apps.road;          import com.croftsoft.core.animation.clock.Timekeeper;     import com.croftsoft.core.animation.sprite.IconSprite;     import java.applet.*;     import java.awt.*;     import java.awt.event.*;     import java.awt.geom.*;     import java.io.*;     import java.net.URL;     import java.util.*;     import javax.swing.*;     import javax.swing.event.*;     /*********************************************************************     * Roadrunner enemy Sprite.     *     * @version     *   2003-09-10     * @since     *   2003-09-10     * @author     *   <a href="http://www.croftsoft.com/">David Wallace Croft</a>     *********************************************************************/     public final class  EnemySprite       extends IconSprite       implements Constants     //////////////////////////////////////////////////////////////////////     //////////////////////////////////////////////////////////////////////     {     private final Timekeeper  timekeeper;     private final Rectangle   componentBounds;     //////////////////////////////////////////////////////////////////////     //////////////////////////////////////////////////////////////////////     public  EnemySprite (       Icon        enemyIcon,       Timekeeper  timekeeper )     //////////////////////////////////////////////////////////////////////     {       super ( enemyIcon );       this.timekeeper = timekeeper;       componentBounds = new Rectangle ( );     }     //////////////////////////////////////////////////////////////////////     //////////////////////////////////////////////////////////////////////     public void  update ( JComponent  component )     //////////////////////////////////////////////////////////////////////     {       double  timeDelta = timekeeper.getTimeDelta ( );       if ( timeDelta > TIME_DELTA_MAX )       {         timeDelta = TIME_DELTA_MAX;       }       double  spaceDelta = timeDelta * ENEMY_VELOCITY;       x += spaceDelta;       y += spaceDelta;       component.getBounds ( componentBounds );       if ( ( x < componentBounds.x                         )         || ( x > componentBounds.x + componentBounds.width ) )       {         x = 0;       }       if ( ( y < componentBounds.y                          )         || ( y > componentBounds.y + componentBounds.height ) )       {         y = 0;       }     }     //////////////////////////////////////////////////////////////////////     //////////////////////////////////////////////////////////////////////     }