Java Swing hunting shooting game source

The code is as follows

<font size= "3" >package game;import java.awt.graphics;import java.awt.image;import javax.swing.JPanel;public Class Backgroundpanel extends JPanel {        private static final long serialversionuid = 1L;        Private image image;//background picture public        Backgroundpanel () {                setopaque (false);                SetLayout (null);        }        public void setimage (image image) {                this.image = image;        }        /**         * Draw background *        /protected void paintcomponent (Graphics g) {                if (image = null) {                        //Picture width                        int width = getwidth ();                        Picture height                        int height = getheight ();                        Draw a picture                        g.drawimage (image, 0, 0, width, height, this);                }                Super.paintcomponent (g);        }} </font>

　　

<font size= "3" >package game;import java.awt.container;import java.awt.event.*;import javax.swing.*;p ublic        Class Birdlabel extends JLabel implements Runnable {private static final long serialversionuid = 1L;        Randomly generates a thread's sleep time, which controls the bird movement speed private int sleeptime = (int) (Math.random () * 300) + 5;        private int y = 100;        Private thread thread;//The thread as a member variable private Container parent; private int score = 15;//The score/** * Construction method of the class character */Public Birdlabel () {Super (                );                Create a Bird Icon object ImageIcon icon = new ImageIcon (GetClass (). GetResource ("Bird.gif"));                SetIcon (icon);//Set Control icon Addmouselistener (new MouseAction ());//Add mouse event Listener//Add control Event Listener                Addcomponentlistener (New Componentaction ()); thread = new thread (this);//Create Thread object}/** * control's control event listener */private Final class Compone Ntaction EXtends componentadapter {public void componentresized (final componentevent e) {THR Ead.start ();//Thread Start}}/** * Control mouse Event listener */private Final class Mousea Ction extends Mouseadapter {public void mousepressed (final MouseEvent e) {if (! Mainframe.readyammo ())//If the bullets are not ready return;//do nothing Mainframe.useammo        ();//Consume Bullets appscore ();//Add points destory ();//Destroy This component}}                public void Run () {parent = null;                int width = 0; try {while (width <= 0 | | | parent = = NULL) {if (parent = = NULL)                                        {parent = GetParent ();//Gets the parents container} else { width = Parent.getwidth ();//Gets the width of the parent container} thread.sleep (10);                                } for (int i = width; i > 0 && parent = null; I-= 8) {                SetLocation (i, y);//move the component position from right to left Thread.Sleep (sleeptime);//Sleep for a moment}                } catch (Interruptedexception e) {e.printstacktrace ();                 if (parent! = null) {Mainframe.appscore (-score * 10);//natural destruction will be deducted} Destory ();//move finished, destroy this component}/** * method to remove this component from the container */public void destory ()                {if (parent = = null) return;                Parent.remove (this);//Remove the gradual parent.repaint () from the parent container; parent = NULL;         Terminate thread loop through this statement}/** * Add Points method */private void Appscore () {       System.out.println ("Bird is hit");        Mainframe.appscore (15); }}</font>

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Java Swing hunting shooting game source