GreedySnake贪吃蛇－测试版

/*------------------------------------------------------------------------------
Development Notes:
Greedy Snake Game Testing Version
Based on LinkList StrUCture

Direction Control Keys are: w a s d
@DanielNW2004-----------------------------------------------------------------*/

import Javax.swing.*;   // the Java eXtensions "Swing" graphics kit
import java.awt.*;      // the Java  Abstract Windowing Toolkit
import java.awt.image.*;// the AWT image  package
import java.awt.geom.*; // AWT geometry
import java.io.*;       // I/O package
import java.awt.event.*;

public class snake extends JFrame implements KeyListener
{
 public static final int DISPLAY_WIDTH = 640;
 public static final int DISPLAY_HEIGHT = 640;
 public static final int BLOCKNUM = 80;

 public int currDir = 1;
 public CanvasArea ca = new CanvasArea(DISPLAY_WIDTH/8,DISPLAY_HEIGHT/8);

 public Container con = null;
 public int flag = 0, foodNum = 4, speed = 80;
 public CellItem temp = new CellItem();

 public static void main(String[] args)
 {
  new snake();
 }
 
 public snake() {
  super("Greedy Snake Program Testing");
  setDefaultCloseOperation(EXIT_ON_CLOSE);
  setResizable(false);
  con = getContentPane();
  con.setLayout(null);
  addKeyListener( this ); // make this object be the one to listen to keyboard
//----------------------------------------------------------------
//Matrix of the canvas
//----------------------------------------------------------------
  ca.canvasInit();

  ca.addFood(ca.caStr[30][32],2);
  ca.addFood(ca.caStr[18][9],2);
  ca.addFood(ca.caStr[10][20],2);
  ca.addFood(ca.caStr[10][15],2);
  //ca.displayMatrix();
  ca.addCell(ca.caStr[1][0],1);
  ca.addCell(ca.caStr[1][1],1);
  ca.addCell(ca.caStr[1][2],1);
  ca.addCell(ca.caStr[1][3],1);
  ca.addCell(ca.caStr[1][4],1);
  ca.addCell(ca.caStr[2][4],1);
  ca.moveLeft();

  //ca.moveUp();
  //ca.moveUp();
  //ca.moveUp();
  //ca.moveUp();
  //ca.moveUp();
  //ca.moveUp();
  ca.displaySnake();
//---------------------------------------------------------------- 

  DisplayArea da =
     new DisplayArea( new Rectangle( 0, 0, DISPLAY_WIDTH, DISPLAY_HEIGHT ) );

  con.add ( da );

  setVisible(true);