ADD file via upload

src/UpdateThread.java

@@ -0,0 +1,39 @@
+package cn.edu.caztc.sokobangame;
+
+import javax.swing.JPanel;
+import javax.swing.SwingUtilities;
+
+public class UpdateThread extends Thread {
+    private final JPanel panel;
+    private volatile boolean running = true;  // 控制线程运行的标志
+
+    public UpdateThread(JPanel panel) {
+        this.panel = panel;
+        setDaemon(true);  // 设为守护线程，避免阻止JVM退出
+    }
+
+    // 添加 stopRunning() 方法，用于安全停止线程
+    public void stopRunning() {
+        running = false;   // 设置标志位
+        interrupt();       // 中断线程（如果它在 sleep/wait 状态）
+    }
+
+    @Override
+    public void run() {
+        while (running) {
+            try {
+                SwingUtilities.invokeLater(() -> {
+                    if (panel != null) {
+                        panel.repaint();
+                    }
+                });
+                Thread.sleep(50);
+            } catch (InterruptedException e) {
+                System.out.println("更新线程被中断"); // 添加线程中断信息
+                Thread.currentThread().interrupt();
+                break;
+            }
+        }
+        System.out.println("更新线程已停止"); // 添加线程停止信息
+    }
+}