我的车会走直，为何不会转弯的？ - JBTALKS.CC

import java.awt.*;
import java.awt.event.*;
import java.applet.Applet;
import java.net.URL;
import javax.swing.*;
import javax.swing.Timer;
public class Race extends Applet implements Runnable {
Image img1;
Image img2;
Image img3;
Image img4;
Image img5;
URL url12;
URL url13;
URL url14;
URL url15;
Image img[] = new Image[4];
JLabel jlbl = new JLabel();
int index2 = 0;
int lap = 0;
int x=400, x2=405, x3=400, x4=400, x5=400, y=0,y2=0,y3=0,y4=0,y5=0; // what mean? control cordinate x ... car move
int index;
Thread animate = null;
Timer t1,t2,t3,t4,t5;
public void init() {
img1 = getImage(this.getClass().getResource("car10.png"));
img2 = getImage(this.getClass().getResource("car20.png"));
img3 = getImage(this.getClass().getResource("car30.png"));
img4 = getImage(this.getClass().getResource("car40.png"));
img5 = getImage(this.getClass().getResource("car50.png"));
setLayout(new BorderLayout());
ImageIcon img6 = new ImageIcon(getClass().getResource("road.jpg"));
jlbl.setIcon(img6);
add(jlbl, BorderLayout.CENTER);
//img6 = getImage(this.getClass().getResource("road.jpg"));
setSize(1000, 300);
URL url2 = this.getClass().getResource("F1.png");
img[0] = getImage(url2);
URL url3 = this.getClass().getResource("@.png");
img[1] = getImage(url3);
URL url4 = this.getClass().getResource("Penang.png");
img[2] = getImage(url4);
URL url5 = this.getClass().getResource("2013.png");
img[3] = getImage(url5);
}
public void start(){
if (animate == null){
animate = new Thread(this);
animate.start();
}//end if start
}//end start function
public void run(){
if(lap <2){
t1 = new Timer((int)(Math.random()*500),
new ActionListener(){
public void actionPerformed(ActionEvent e){
if(x <= 650){
x+=10;
}
else if(x <= 660) {
x+=20;
y+=100;
}
else
x=400;
repaint();
}
});//end actionListener
t1.start();
t2 = new Timer((int)(Math.random()*500),
new ActionListener(){
public void actionPerformed(ActionEvent e){
if(x2 <= 650){
x2+=10;
}
else if(x2 <= 660) {
x2+=20;
y2+=100;
}
else
x2=400;
repaint();
}
});
t2.start();
t3 = new Timer((int)(Math.random()*500),
new ActionListener(){
public void actionPerformed(ActionEvent e){
if(x3 <= 650)
x3+=10;
else if(x3 <= 660) {
x3+=20;
y3+=100;
}
else
x3=400;
repaint();
}
});
t3.start();
t4 = new Timer((int)(Math.random()*500),
new ActionListener(){
public void actionPerformed(ActionEvent e){
if(x4 <= 650)
x4+=10;
else if(x4 <= 660) {
x4+=50;
y4+=120;
}
else
x4=400;
repaint();
}
});
t4.start();
t5 = new Timer((int)(Math.random()*500),
new ActionListener(){
public void actionPerformed(ActionEvent e){
if(x5 <= 650)
x5+=10;
else if(x5 <= 660) {
x5+=50;
y5+=120;
}
else
x5=400;
repaint();
}
});
t5.start();
}
else{
t1.stop();
t2.stop();
t3.stop();
t4.stop();
t5.stop();
}
while(true){
if(index2 <3){
index2++;
repaint();
}
else{
index2=0;
repaint();
}
try{
Thread.sleep(1000);
}catch(Exception e)
{}
}
}//end run
public void paint(final Graphics g){
//g.dreawImage(Image img, int x, int y, int size-width,
//int size-hight, ImageObserver observer);
super.paintComponents(g);
//g.drawImage(img6, 50, 50, 1500,1000, null);
if(x <= 650 && x2 <= 650 && x3 <= 650 && x4 <= 650 && x5 <= 650){
g.drawImage(img1, x, 490, 90, 45, null);
g.drawImage(img2, x2, 530,70, 25, null);
g.drawImage(img3, x3, 555,80, 33, null);
g.drawImage(img4, x4, 590,80, 35, null);
g.drawImage(img5, x5, 620,80, 50, null);
}
else if(x <= 660 || x2 <=660 || x3 <= 660 || x4 <= 660 || x5 <= 660){
g.drawImage(img1, 999, 700, 90, 45, null);
g.drawImage(img2, 950, 670, 90, 45, null);
g.drawImage(img3, 900, 620, 90, 45, null);
g.drawImage(img4, 880, 590, 90, 45, null);
g.drawImage(img5, 850, 550, 90, 45, null);
}
g.drawImage(img[index2],560,300,299,76, null);
g.drawImage(img[index2],560,300,299,76, null);
g.drawImage(img[index2],560,300,299,76, null);
g.drawImage(img[index2],560,300,299,76, null);
}
}

复制代码