打字母游戏

 package ceshi;

import java.awt.Color;

import java.awt.Graphics;

import java.awt.Panel;

import java.awt.event.KeyEvent;

import java.awt.event.KeyListener;

import javax.swing.JFrame;

public class ceshi {

public static void main(String[] args){

JFrame w=new JFrame();

w.setSize(300, 400);

w.setDefaultCloseOperation(w.EXIT_ON_CLOSE);

MyPanel mp=new MyPanel();

w.add(mp);

Thread t=new Thread(mp);

t.start();

w.addKeyListener(mp);

mp.addKeyListener(mp);

w.show();

}

}

class MyPanel extends Panel implements Runnable,KeyListener{

int x[] =new int[10];

int y[] =new int[10];

char c[]=new char[10];

int score=1000;

MyPanel(){

for(int i=0;i<10;i++){

x[i]= (int)(Math.random()*300);

y[i]= (int)(Math.random()*400);

c[i]= (char)(Math.random()*26+97);

}

}

public void paint(Graphics g){

for(int i=0;i<10;i++){

g.drawString(new Character(c[i]).toString(), x[i], y[i]);

}

g.setColor(Color.red);

g.drawString("你的成绩是："+score, 5, 15);

}

public void run(){

while(true){

for (int i = 0; i < 10; i++) {

y[i] ++ ;

if(y[i]>400){

y[i] = 0 ;

x[i] = (int)(Math.random()*300) ;

c[i] = (char)(Math.random()*26+97) ;

score -= 100 ;

}

}

try{

Thread.sleep(30) ;

}catch(Exception e){}

repaint() ;

}

}

@Override

public void keyPressed(KeyEvent arg0) {

char keyC = arg0.getKeyChar() ;

int nowY = -1 ;

int nowIndex = -1 ;

for(int i = 0 ; i < 10 ; i ++){

if(keyC==c[i]){

if(y[i]>nowY){

nowY = y[i] ;

nowIndex = i ;

}

}

}

if(nowIndex!=-1){

y[nowIndex] = 0 ;

x[nowIndex] = (int)(Math.random()*300) ;

c[nowIndex] = (char)(Math.random()*26+97) ;

score += 10 ;

}else {

score -= 100 ;

}

}

@Override

public void keyReleased(KeyEvent arg0) {

// TODO Auto-generated method stub

}

@Override

public void keyTyped(KeyEvent arg0) {

// TODO Auto-generated method stub

}

}