snakegame.java

利用java编写的贪吃蛇源代码

import java.awt.*; 
import java.awt.event.*; 
import javax.swing.*; 
import java.util.*; 
import java.awt.geom.*; 

class GameFrame extends JFrame 
{ 
private Toolkit tempKit; 
private int horizontalGrid, verticalGrid; 
private int singleWidthX, singleHeightY; 
private int cooPos; 
private Snake mainSnake; 
private LinkedList eatedBean; 
{ 
eatedBean = new LinkedList(); 
} 
private Iterator snakeSq; 
public javax.swing.Timer snakeTimer; 
private int direction = 2; 
private int score; 
private String info; 
private Point bean, eatBean; 
{ 
bean = new Point(); 
} 
private boolean flag; 
private JMenuBar infoMenu; 
private JMenu[] tempMenu; 
private JMenuItem[] tempMenuItem; 
private JRadioButtonMenuItem[] levelMenuItem, versionMenuItem; 
private JLabel scoreLabel; 
{ 
scoreLabel = new JLabel(); 
} 
private Graphics2D g; 
private ImageIcon snakeHead; 
{ 
snakeHead = new ImageIcon( "LOGO.gif" ); 
} 
private ConfigMenu configMenu; 
private boolean hasStoped = true; 
public GameFrame() 
{ 

this.tempKit = this.getToolkit(); 
this.setSize( tempKit.getScreenSize() ); 
this.setGrid( 60, 40, 5 ); 
this.getContentPane().setBackground( ColorGroup.COLOR_BACK ); 
this.setUndecorated( true ); 
this.setResizable( false ); 
this.addKeyListener( new KeyHandler() ); 
GameFrame.this.snakeTimer = new javax.swing.Timer( 80, new TimerHandler() ); 
this.getContentPane().add( scoreLabel, BorderLayout.SOUTH ); 
this.scoreLabel.setFont( new Font( "Fixedsys", Font.BOLD, 15 ) ); 
this.scoreLabel.setText( "Pause[SPACE] - Exit[ESC]" ); 
this.configMenu = new ConfigMenu( this ); 
this.setVisible( true ); 

} 
public void setGrid( int temp1, int temp2, int temp3 ) 
{ 
this.horizontalGrid = temp1; 
this.verticalGrid = temp2; 
this.singleWidthX = this.getWidth() / temp1; 
this.singleHeightY = this.getHeight() / temp2; 
this.cooPos = temp3; 
} 

private class KeyHandler extends KeyAdapter 
{ 
public void keyPressed( KeyEvent e ) 
{ 
if( e.getKeyCode() == 27 ) 
{ 
snakeTimer.stop(); 
if( JOptionPane.showConfirmDialog( null, "Are you sure to exit?" ) == 0 ) 
{ 
System.exit( 0 ); 
} 
snakeTimer.start(); 
} 
else if( e.getKeyCode() == 37 && mainSnake.snakeDirection != 2 )//left 
{ 
direction = 4; 
} 
else if( e.getKeyCode() == 39 && mainSnake.snakeDirection != 4 )//right 
{ 
direction = 2; 
} 
else if( e.getKeyCode() == 38 && mainSnake.snakeDirection != 3 )//up 
{ 
direction = 1; 
} 
else if( e.getKeyCode() == 40 && mainSnake.snakeDirection != 1 )//down 
{ 
direction = 3; 
} 
else if( e.getKeyCode() == 32 ) 
{ 
if( !hasStoped ) 
{ 
if( !flag ) 
{ 

snakeTimer.stop(); 
configMenu.setVisible( true ); 
configMenu.setMenuEnable( false ); 
flag = true; 
} 
else 
{ 
snakeTimer.start(); 
configMenu.setVisible( false ); 
configMenu.setMenuEnable( true ); 
flag = false; 
} 
} 
} 
} 
} 

private class TimerHandler implements ActionListener 
{ 
public synchronized void actionPerformed( ActionEvent e ) 
{ 
Point temp = (Point) mainSnake.getLast(); 
snakeSq = mainSnake.iterator(); 
while ( snakeSq.hasNext() ) 
{ 
Point tempPoint = (Point)snakeSq.next(); 
if( temp.equals( tempPoint ) && snakeSq.hasNext() != false ) 
{ 
snakeTimer.stop(); 
stopGame(); 
JOptionPane.showMessageDialog( null, 
"Your Score is " + score + "\n\nYou Loss!" ); 
} 
} 
System.out.println( temp.x + " " + temp.y ); 
if( (temp.x == 0 && direction == 4) || 
(temp.x == horizontalGrid-1 && direction == 2) || 
(temp.y == 0 && direction == 1) || 
(temp.y == verticalGrid-1 && direction == 3) ) 
{ 
snakeTimer.stop(); 
stopGame(); 
JOptionPane.showMessageDialog( null, 
"Your Score is " + score + "\n\nYou Loss!" ); 
} 
if( direction != mainSnake.snakeReDirection ) 
{ 
moveSnake( direction ); 
} 
mainSnake.drawSnake( getGraphics(), singleWidthX, singleHeightY, cooPos ); 
drawBeanAndEBean( getGraphics() ); 
} 
} 


public void stopGame() 
{ 
this.hasStoped = true; 
this.snakeTimer.stop(); 
Graphics2D g = (Graphics2D) GameFrame.this.getGraphics(); 
g.setColor( ColorGroup.COLOR_BACK ); 
super.paint( g ); 
configMenu.setVisible( true ); 
} 

public void resetGame() 
{ 
System.gc(); 
this.hasStoped = false; 
Graphics2D g = (Graphics2D) GameFrame.this.getGraphics(); 
g.setColor( ColorGroup.COLOR_BACK ); 
super.paint( g ); 
this.mainSnake = new Snake(); 
this.createBean( bean ); 
this.eatedBean.clear(); 
mainSnake.drawSnake( getGraphics(), singleWidthX, singleHeightY, cooPos ); 
this.snakeTimer.start(); 
this.direction = 2; 
this.score = 0; 
this.scoreLabel.setText( "Pause[SPACE] - Exit[ESC]" ); 
} 

private void moveSnake( int direction ) 
{ 
if( mainSnake.checkBeanIn( this.bean ) ) 
{ 
this.score += 100; 
this.scoreLabel.setText( this.info + " Current Score:" + this.score ); 
this.eatedBean.add( new Point(this.bean) ); 
this.createBean( this.bean ); 
} 
mainSnake.changeDirection( (Point) mainSnake.getLast(), direction ); 
Point temp = (Point) mainSnake.getFirst(); 
if( eatedBean.size() != 0 ) 
{ 
if( eatedBean.getFirst().equals( temp ) ) 
{ 
eatedBean.remove( 0 ); 
} 
else 
{ 
mainSnake.clearEndSnakePiece( getGraphics(), temp.x, temp.y, 
singleWidthX, singleHeightY, cooPos ); 
mainSnake.removeTail(); 
} 
} 
else 
{ 
mainSnake.clearEndSnakePiece( getGraphics(), temp.x, temp.y, 
singleWidthX, singleHeightY, cooPos ); 
mainSnake.removeTail(); 
} 
} 

private void drawBeanAndEBean( Graphics g ) 
{ 
g.setColor( ColorGroup.COLOR_BEAN ); 
this.drawPiece( g, this.bean.x, this.bean.y ); 
g.setColor( ColorGroup.COLOR_EATEDBEAN ); 
snakeSq = eatedBean.iterator(); 
while ( snakeSq.hasNext() ) 
{ 
Point tempPoint = (Point)snakeSq.next(); 
this.drawPiece( g, tempPoint.x, tempPoint.y ); 
} 
} 

private void drawPiece( Graphics g, int x, int y ) 
{ 
g.fillRoundRect( this.singleWidthX * x + 1, 
this.singleHeightY * y + 1, 
this.singleWidthX - 2, 
this.singleHeightY - 2, 
this.cooPos, 
this.cooPos ); 
} 

private void createBean( Point temp ) 
{ 
LP: 
while( true ) 
{ 
temp.x = (int) (Math.random() * this.horizontalGrid); 
temp.y = (int) (Math.random() * this.verticalGrid); 
snakeSq = mainSnake.iterator(); 
while ( snakeSq.hasNext() ) 
{ 
if( snakeSq.next().equals( new Point( temp.x, temp.y ) ) ) 
{ 
continue LP; 
} 
} 
break; 
} 
} 
} 


//*************//
 class ConfigDialog extends JDialog 
{ 
private Container c; 
private JFrame owner; 
private OwnPanel[] panel = new OwnPanel[4]; 
Box box1, box2; 
private JButton commitButton, cancelButton; 
Color[] color = new Color[4]; 
public ConfigDialog( Frame owner ) 
{ 
this.owner = (JFrame) owner; 
this.setSize( 400, 200 ); 
this.setResizable( false ); 
this.setTitle( "Config Your Game" ); 
this.c = this.getContentPane(); 
this.c.setBackground( Color.WHITE ); 
this.c.setLayout( new FlowLayout() ); 
this.box1 = Box.createVerticalBox(); 
for( int i = 0; i < panel.length; i++ ) 
{ 
panel[i] = new OwnPanel(); 
panel[i].addActionListener( new ActionHandler() ); 
this.box1.add( panel[i] ); 
this.box1.add( Box.createVerticalStrut( 4 ) ); 
} 
this.panel[0].setText( " Background" ); 
this.panel[1].setText( " Snake" ); 
this.panel[2].setText( " Bean" ); 
this.panel[3].setText( " EatedBean" ); 
this.panel[0].setBack( ColorGroup.COLOR_BACK ); 
this.panel[1].setBack( ColorGroup.COLOR_SNAKE ); 
this.panel[2].setBack( ColorGroup.COLOR_BEAN ); 
this.panel[3].setBack( ColorGroup.COLOR_EATEDBEAN ); 
this.box2 = Box.createHorizontalBox(); 
this.commitButton = new JButton( "确定" ); 
this.commitButton.setFont( Font.getFont( "Fixedsys" ) ); 
this.commitButton.addActionListener( new ActionHandler() ); 
this.cancelButton = new JButton( "取消" ); 
this.cancelButton.setFont( Font.getFont( "Fixedsys" ) ); 
this.cancelButton.addActionListener( new ActionHandler() ); 
this.box2.add( this.commitButton ); 
this.box2.add( Box.createHorizontalStrut( 20 ) ); 
this.box2.add( this.cancelButton ); 
this.box1.add( this.box2 ); 
this.c.add( this.box1, BorderLayout.NORTH ); 
this.setLocation( ( this.getToolkit().getScreenSize().width - this.getWidth() )/2, 
( this.getToolkit().getScreenSize().height - this.getHeight() )/2 ); 
this.setVisible( true ); 
} 
public void setOwnerColor( Color temp ) 
{ 
this.owner.getContentPane().setBackground( temp ); 
} 
private class ActionHandler implements ActionListener 
{ 
public void actionPerformed( ActionEvent e ) 
{ 
for( int i = 0; i < color.length; i++ ) 
{ 
if( e.getSource() == panel[i].reButton() ) 
{ 
color[i] = JColorChooser.showDialog( ConfigDialog.this, 
"Choose BackGround Color", 
Color.WHITE ); 
if( color[i] != null ) 
{ 
panel[i].setBack( color[i] ); 
} 
} 
} 
if( e.getSource() == commitButton ) 
{ 
color[0] = (color[0]==null?ColorGroup.COLOR_BACK:color[0]); 
color[1] = (color[1]==null?ColorGroup.COLOR_SNAKE:color[1]); 
color[2] = (color[2]==null?ColorGroup.COLOR_BEAN:color[2]); 
color[3] = (color[3]==null?ColorGroup.COLOR_EATEDBEAN:color[3]); 
ConfigDialog.this.setVisible( false ); 
ColorGroup.setCOLOR_BACK( color[0] ); 
owner.getContentPane().setBackground( color[0] ); 
ColorGroup.setCOLOR_SNAKE( color[1] ); 
ColorGroup.setCOLOR_BEAN( color[2] ); 
ColorGroup.setCOLOR_EATEDBEAN( color[3] ); 
ConfigDialog.this.dispose(); 
} 
else if( e.getSource() == cancelButton ) 
{ 
ConfigDialog.this.setVisible( false ); 
ConfigDialog.this.dispose(); 
} 

} 
} 
} 

class OwnPanel extends JPanel