java小游戏－贪吃蛇
SnakeGame.java
package SnakeGame;
import javax.swing.*;
public class SnakeGame
{
public static void main( String[] args )
{
JDialog.setDefaultLookAndFeelDecorated( true );
GameFrame temp = new GameFrame();
}
}
Snake.java
package SnakeGame;
import java.awt.*;
import java.util.*;
class Snake extends LinkedList
{
public int snakeDirection = 2;
public int snakeReDirection = 4;
public Snake()
{
this.add( new Point( 3, 3 ) );
this.add( new Point( 4, 3 ) );
this.add( new Point( 5, 3 ) );
this.add( new Point( 6, 3 ) );
this.add( new Point( 7, 3 ) );
this.add( new Point( 8, 3 ) );
this.add( new Point( 9, 3 ) );
this.add( new Point( 10, 3 ) );
}
public void changeDirection( Point temp, int direction )
{
this.snakeDirection = direction;
switch( direction )
{
case 1://up
this.snakeReDirection = 3;
this.add( new Point( temp.x, temp.y - 1 ) );
break;
case 2://right
this.snakeReDirection = 4;
this.add( new Point( temp.x + 1, temp.y ) );
break;
case 3://down
this.snakeReDirection = 1;
this.add( new Point( temp.x, temp.y + 1 ) );
break;
case 4://left
this.snakeReDirection = 2;
this.add( new Point( temp.x - 1, temp.y ) );
break;
}
}
public boolean checkBeanIn( Point bean )
{
Point temp = (Point) this.getLast();
if( temp.equals( bean ) )
{
return true;
}
return false;
}
public void removeTail()
{
this.remove( 0 );
}
public void drawSnake( Graphics g, int singleWidthX, int singleHeightY, int cooPos )
{
g.setColor( ColorGroup.COLOR_SNAKE );
Iterator snakeSq = this.iterator();
while ( snakeSq.hasNext() )
{
Point tempPoint = (Point)snakeSq.next();
this.drawSnakePiece( g, tempPoint.x, tempPoint.y,
singleWidthX, singleHeightY, cooPos );
}
}
public void drawSnakePiece( Graphics g, int temp1, int temp2,
int singleWidthX, int singleHeightY, int cooPos )
{
g.fillRoundRect( singleWidthX * temp1 + 1,
singleHeightY * temp2 + 1,
singleWidthX - 2,
singleHeightY - 2,
cooPos,
cooPos );
}
public void clearEndSnakePiece( Graphics g, int temp1, int temp2,
int singleWidthX, int singleHeightY, int cooPos )
{
g.setColor( ColorGroup.COLOR_BACK );
g.fillRoundRect( singleWidthX * temp1 + 1,
singleHeightY * temp2 + 1,
singleWidthX - 2,
singleHeightY - 2,
cooPos,
cooPos );
}
}
GameFrame.java
package SnakeGame;
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.CO
