小编Sto*_*mel的帖子

我正在尝试制作一个简单的Java游戏 - 通过轨道驾驶汽车.我的老师习惯使用矩形和类似的东西.我的问题是当我使用repaint()我的框架闪烁的方法时.我试图在汽车改变方向时放置重绘方法,但它没有任何好处.有什么建议？

import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.net.URL;

import javax.swing.JFrame;


@SuppressWarnings("serial") 
public class MAP extends JFrame
{
    //the URL and Img designed for the images
    URL cLeft,cRight,cUp;
    Image img1,img2,img3;

    //these will keep track of each player’s speed:
    double p1Speed =.5, p2Speed =.5;

    //constant for the screen size and used for the drawing the terrain
    final int WIDTH = 900, HEIGHT = 650;

    //these are ints that represent …