snake_java.zip_Snake!

package snake; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.util.*; public class SnakePanel extends JPanel implements Runnable,KeyListener{ JFrame parent=new JFrame(); private int row=20; //网格行数 private int col=30; //列数 private JPanel[][] gridsPanel; //面板网格 private Location direction;//方向定位 private SnakeModel snake; //贪吃蛇 private LinkedList snakeBody; //蛇的身体 private LinkedList otherBlocks; //其他区域 private LocationRO snakeHead; //蛇的头部 private LocationRO snakeFood; //目标食物 private Color bodyColor=Color.orange;//蛇的身体颜色 private Color headColor=Color.black; //蛇的头部颜色 private Color foodColor=Color.red; //目标食物颜色 private Color othersColor=Color.lightGray;//其他区域颜色 private int gameScore=0; //总分 private long speed; //速度（难度设置） private boolean AddScore; //加分 private Thread t; //线程 private boolean isEnd; //暂停 private static boolean notExit; // 构造器，初始化操作 public SnakePanel(SnakeFrame parent){ this.parent=parent; gridsPanel=new JPanel[row][col]; otherBlocks=new LinkedList(); snakeBody=new LinkedList(); snakeHead=new LocationRO(0,0); snakeFood=new LocationRO(0,0); direction=new Location(0,1); // 布局 setLayout(new GridLayout(row,col,1,1)); for(int i=0;i<row;i++){ for(int j=0;j<col;j++){ gridsPanel[i][j]=new JPanel(); gridsPanel[i][j].setBackground(othersColor); add(gridsPanel[i][j]); } } addKeyListener(this); } // 开始游戏 public void newGame(long speed){ this.speed=speed; if (notExit) { snake.init(); }else{ snake=new SnakeModel(row,col); notExit=true; t=new Thread(this); t.start(); } requestFocus(); direction.setX(0); direction.setY(1); gameScore=0; updateTextFiled(""+gameScore); isEnd=false; } // 暂停游戏 public void stopGame(){ requestFocus(); isEnd=true; } // 继续 public void returnGame(){ requestFocus(); isEnd=false; } // 获得总分 public int getGameScore(){ return gameScore; } //更新总分 private void updateTextFiled(String str){ ((SnakeFrame)parent).scoreField.setText(str); } //更新各相关单元颜色 private void updateColors(){ // 设定蛇身颜色 snakeBody=snake.getSnake(); Iterator i =snakeBody.iterator(); while(i.hasNext()){ LocationRO t=(LocationRO)(i.next()); gridsPanel[t.getX()][t.getY()].setBackground(bodyColor); } //设定蛇头颜色 snakeHead=snake.getSnakeHead(); gridsPanel[snakeHead.getX()][snakeHead.getY()].setBackground(headColor); //设定背景颜色 otherBlocks=snake.getOthers(); i =otherBlocks.iterator(); while(i.hasNext()){ LocationRO t=(LocationRO)(i.next()); gridsPanel[t.getX()][t.getY()].setBackground(othersColor); } //设定临时块的颜色 snakeFood=snake.getSnakeFood(); gridsPanel[snakeFood.getX()][snakeFood.getY()].setBackground(foodColor); } public boolean isFocusTraversable() { return true; } //实现Runnable接口 public void run(){ while(true){ try{ Thread.sleep(speed); }catch (InterruptedException e){} if(!isEnd){ isEnd=!snake.move(direction); updateColors(); if(snake.getAddScore()){ gameScore+=10; updateTextFiled(""+gameScore); } } } } //实现KeyListener接口 public void keyPressed(KeyEvent event) { int keyCode = event.getKeyCode(); if(notExit){ if (keyCode == KeyEvent.VK_LEFT) { //向左 direction.setX(0); direction.setY(-1); } else if (keyCode == KeyEvent.VK_RIGHT) { //向右 direction.setX(0); direction.setY(1); } else if (keyCode == KeyEvent.VK_UP) { //向上 direction.setX(-1); direction.setY(0); } else if (keyCode == KeyEvent.VK_DOWN) { //向下 direction.setX(1); direction.setY(0); } else if (keyCode == KeyEvent.VK_SPACE){ //空格键 isEnd=!isEnd; } } } public void keyReleased(KeyEvent event){} public void keyTyped(KeyEvent event){} }