import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
public class MyChar{
public static void main(String[] args){
Frame w = new Frame();
w.setSize(300, 400);
MyPanel mp = new MyPanel();
w.add(mp);
w.addKeyListener(mp);
mp.addKeyListener(mp);
Thread t = new Thread(mp);
t.start();
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;
public MyPanel(){
for(int i=0; i<10;i++){
x[i] = (int)(Math.random()*300);
y[i] = (int)(Math.random()*300);
c[i] = (char)(Math.random()*26 + 97);
}
}
public void paint(Graphics g){
g.setColor(Color.BLACK);
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){
}
@Override
public void keyTyped(KeyEvent arg0){
}
}
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