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backend/src/main/java/com/zombie/game/server/GameLoop.java

@@ -0,0 +1,46 @@
+package com.zombie.game.server;
+
+import com.zombie.game.model.GameWorld;
+
+public class GameLoop implements Runnable {
+    private String roomId;
+    private GameWorld world;
+    private GameWebSocketServer server;
+    private volatile boolean running;
+    private static final int TICK_RATE = 30;
+    private static final long TICK_INTERVAL = 1000 / TICK_RATE;
+
+    public GameLoop(String roomId, GameWorld world, GameWebSocketServer server) {
+        this.roomId = roomId;
+        this.world = world;
+        this.server = server;
+        this.running = true;
+    }
+
+    @Override
+    public void run() {
+        long lastTime = System.currentTimeMillis();
+
+        while (running) {
+            long now = System.currentTimeMillis();
+            long delta = now - lastTime;
+
+            if (delta >= TICK_INTERVAL) {
+                float dt = delta / 1000.0f;
+                world.update(dt);
+                server.broadcastGameState(roomId, world);
+                lastTime = now;
+            } else {
+                try {
+                    Thread.sleep(1);
+                } catch (InterruptedException e) {
+                    break;
+                }
+            }
+        }
+    }
+
+    public void stop() {
+        running = false;
+    }
+}