import java.awt.event.*; import java.util.List; import java.util.ArrayList; public class SnakeClient extends Frame { /** * 貪吃蛇主客戶端 * 蛇頭可動(dòng)，雞蛋隨機(jī)出現(xiàn) * 0.4蛇身跟隨著運(yùn)動(dòng) */ private static final long serialVersionUID = 1L; private static int WIDTH=406,HEIGHT=428; List<Snake> snakes=new ArrayList<Snake>(); List<Egg> eggs=new ArrayList<Egg>(); Snake s=new Snake(3,25,true,0,this); Snake body1=new Snake(3,45,false,1,this); Snake body2=new Snake(3,65,false,2,this); boolean eat=false; Egg e=new Egg(); public static void main(String []args){ SnakeClient sc=new SnakeClient(); sc.launchFrame(); } void launchFrame(){ this.setBounds(100, 100, WIDTH, HEIGHT); this.setVisible(true); this.setResizable(false); this.addWindowListener(new WinCloseMonitor()); // bug2 :忘記加入監(jiān)聽(tīng)，導(dǎo)致方向不能控制 this.addKeyListener(new KeyMonitor()); new Thread(new MyThread()).start(); snakes.add(s); eggs.add(e); } class WinCloseMonitor extends WindowAdapter{ // bug1 錯(cuò)把windowClosing 寫(xiě)成WindowClosing // 以后重寫(xiě)函數(shù)時(shí)注意復(fù)制或利用Eclipse的重寫(xiě)功能 public void windowClosing(WindowEvent e){ System.exit(0); } } public void paint(Graphics g){ for(int i=0;i<snakes.size();i++){ Snake sn=snakes.get(i); if(s.hitSnake(sn)&&!sn.head){ snakes.removeAll(snakes); return; } sn.draw(g); if(sn.eatEgg(e)) eat=true; } if(eat){ snakes.add(new Snake(snakes.get(snakes.size()-1).oldX,snakes.get(snakes.size()-1).oldY, false,snakes.size(),this)); eat=false; eggs.remove(e); e=new Egg(); eggs.add(e); } e.draw(g); } class MyThread implements Runnable{ @Override public void run() { while(true){ repaint(); try { Thread.sleep(350); } catch (InterruptedException e) { e.printStackTrace(); } } } } class KeyMonitor extends KeyAdapter{ @Override public void keyPressed(KeyEvent e) { s.keyPressed(e); } } } |