本文实例为大家分享了java使用GUI实现贪吃蛇游戏的具体代码，供大家参考，具体内容如下
整个代码分为三部分
1.游戏开始界面
2.data基本图片的添加
3.面板，将小蛇画到面板上
这是游戏完整界面
1. 游戏开始界面
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public class StartGame { public static void main(String[] args) { JFrame frame = new JFrame();
frame.setBounds( 10 , 10 , 900 , 720 ); frame.setResizable( false );
frame.add( new GamePanel()); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.setVisible( true );
} } |
2.data数据
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public class Data {
private static URL headerURL=Data. class .getResource( "statics/header.png" ); public static ImageIcon header= new ImageIcon(headerURL); private static URL upURL=Data. class .getResource( "statics/up.png" ); private static URL downURL=Data. class .getResource( "statics/down.png" ); private static URL leftURL=Data. class .getResource( "statics/left.png" ); private static URL rightURL=Data. class .getResource( "statics/right.png" );
public static ImageIcon up= new ImageIcon(upURL); public static ImageIcon down= new ImageIcon(downURL); public static ImageIcon left= new ImageIcon(leftURL); public static ImageIcon right= new ImageIcon(rightURL);
private static URL bodyURL=Data. class .getResource( "statics/body.png" ); public static ImageIcon body= new ImageIcon(bodyURL);
private static URL foodURL=Data. class .getResource( "statics/food.png" ); public static ImageIcon food= new ImageIcon(foodURL);
} |
3.面板绘制
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public class GamePanel extends JPanel implements KeyListener, ActionListener {
int length; int [] snakeX= new int [ 600 ]; int [] snakeY= new int [ 500 ]; String fx;
int foodx; int foody; Random random= new Random();
int score;
boolean isStart= false ; boolean isFail= false ;
Timer timer= new Timer( 75 , this );
public GamePanel() { init(); this .setFocusable( true ); this .addKeyListener( this ); timer.start(); }
public void init(){ length= 3 ; snakeX[ 0 ]= 100 ;snakeY[ 0 ]= 100 ; snakeX[ 1 ]= 75 ;snakeY[ 1 ]= 100 ; snakeX[ 2 ]= 50 ;snakeY[ 2 ]= 100 ; fx = "R" ;
foodx= 25 + 25 *random.nextInt( 34 ); foody= 75 + 25 *random.nextInt( 24 ); score= 0 ; }
@Override protected void paintComponent(Graphics g) { super .paintComponent(g);
this .setBackground(Color.WHITE); Data.header.paintIcon( this ,g, 25 , 11 ); g.fillRect( 25 , 75 , 850 , 600 );
g.setColor(Color.white); g.setFont( new Font( "微软雅黑" ,Font.BOLD, 18 )); g.drawString( "长度" +length, 750 , 30 ); g.drawString( "分数" +score, 750 , 50 );
Data.food.paintIcon( this ,g,foodx,foody);
if (fx.equals( "R" )){ Data.right.paintIcon( this ,g,snakeX[ 0 ],snakeY[ 0 ]); } else if (fx.equals( "L" )){ Data.left.paintIcon( this ,g,snakeX[ 0 ],snakeY[ 0 ]); } else if (fx.equals( "U" )){ Data.up.paintIcon( this ,g,snakeX[ 0 ],snakeY[ 0 ]); } else if (fx.equals( "D" )){ Data.down.paintIcon( this ,g,snakeX[ 0 ],snakeY[ 0 ]); }
//Data.right.paintIcon(this,g,snakeX[0],snakeY[0]); for ( int i = 1 ; i < length; i++) { Data.body.paintIcon( this ,g,snakeX[i],snakeY[i]); }
if (isStart== false ){ g.setColor(Color.white); g.setFont( new Font( "宋体" ,Font.BOLD, 40 )); g.drawString( "想玩就嗯空格" , 300 , 300 ); }
if (isFail){ g.setColor(Color.red); g.setFont( new Font( "微软雅黑" ,Font.BOLD, 40 )); g.drawString( "人生不能重来，请走好每一步" , 150 , 350 ); } }
@Override public void keyPressed(KeyEvent e) { int keyCode = e.getKeyCode(); if (keyCode == KeyEvent.VK_SPACE){ if (isFail){ isFail= false ; init(); } else { isStart=!isStart; } repaint(); } if (keyCode==KeyEvent.VK_UP){ fx= "U" ; } else if (keyCode==KeyEvent.VK_DOWN){ fx= "D" ; } else if (keyCode==KeyEvent.VK_LEFT){ fx= "L" ; } else if (keyCode==KeyEvent.VK_RIGHT){ fx= "R" ; }
} @Override public void actionPerformed(ActionEvent e) { if (isStart&&isFail== false ){
if (foodx==snakeX[ 0 ]&&foody==snakeY[ 0 ]){ length++;
score+= 10 ;
foodx= 25 + 25 *random.nextInt( 34 ); foody= 75 + 25 *random.nextInt( 24 ); }
for ( int i = length- 1 ; i > 0 ; i--) { snakeX[i]=snakeX[i- 1 ]; snakeY[i]=snakeY[i- 1 ]; } if (fx.equals( "R" )){ snakeX[ 0 ] =snakeX[ 0 ]+ 25 ; if (snakeX[ 0 ]> 850 ){ snakeX[ 0 ]= 25 ; } } else if (fx.equals( "L" )){ snakeX[ 0 ] =snakeX[ 0 ]- 25 ; if (snakeX[ 0 ]< 25 ){ snakeX[ 0 ]= 850 ; } } else if (fx.equals( "U" )){ snakeY[ 0 ]=snakeY[ 0 ]- 25 ; if (snakeY[ 0 ]< 75 ){snakeY[ 0 ]= 650 ;} } else if (fx.equals( "D" )){ snakeY[ 0 ]=snakeY[ 0 ]+ 25 ; if (snakeY[ 0 ]> 650 ){snakeY[ 0 ]= 75 ;} }
for ( int i = 1 ; i < length; i++) { if (snakeY[ 0 ]==snakeY[i]&&snakeX[ 0 ]==snakeX[i]){ isFail= true ; } }
repaint(); } timer.start(); }
@Override public void keyTyped(KeyEvent e) {
} @Override public void keyReleased(KeyEvent e) {
}
} |
小蛇的各个部位参数如下
头部尺寸
身体尺寸
食物尺寸
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
原文链接：https://blog.csdn.net/y18791050779/article/details/104269690
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