小编Pri*_*ank的帖子

我正在尝试学习如何使用 java 创建一个游戏循环并每秒绘制一个新屏幕一定次数。游戏循环工作正常，但是当我尝试使用 repaint() 调用paint方法时，未调用paint方法。这是我的代码：

import javax.swing.JButton;
import javax.swing.JComponent;
import java.awt.Graphics;
import javax.swing.JFrame;
import java.awt.image.*;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;

public class mainFrame extends Thread{
static boolean gameIsRunning = false;
MyCanvas2 myCanvas2 = new MyCanvas2();
static final int TARGET_FPS = 1;
static int x = 10;
static int y = 10;
static long startTime = 0;
static long elapsedTime = 0;
static long waitTime = 0;
public void createFrame(){
  JFrame window = new JFrame("Out from …